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52results about How to "Reduce residual concentration" patented technology
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Solar hot air system enhanced in-situ bio-ventilation soil restoration system
InactiveCN105478468AAdjustable temperaturePromote degradationContaminated soil reclamationVacuum extractionCollection system
The invention relates to a solar hot air system enhanced in-situ bio-ventilation soil restoration system. The system comprises a solar air heat collection system, a ventilation system, a contaminant vacuum extraction system and a gas purification system. The ventilation system is a ventilation pipeline, and the solar air heat collection system is connected with the ventilation pipeline and used for heating air in the ventilation pipeline. The contaminant vacuum extraction system comprises a gas phase extraction pipe and a vacuum pump, the gas phase extraction pipe is directly buried in the heated contaminated soil area, and the upper portion of the gas phase extraction pipe is connected with the gas purification device. The solar hot air system enhanced in-situ bio-ventilation soil restoration system further comprises a nutrient solution injection system, and a nutrient solution is evenly pumped into organic matter contaminated soil through the nutrient solution injection system. According to the system, solar energy serves as a heat source, heated air is injected into a soil embedded radiating pipe, soil temperature is adjusted, soil microbial flora and the nutrition environment are optimized, degradation of microorganisms for organic matter in the contaminated soil is promoted, and then following vacuum extraction is facilitated. By means of the system, energy is saved, the emission of greenhouse gas is reduced, and secondary pollution generated by combustion of fossil fuel is avoided.
Owner:中钢集团天澄环保科技股份有限公司
Multielement modified bentonite adsorption material and preparation method thereof
InactiveCN105289506AHigh selectivity of adsorptionLarge porosityOther chemical processesSodium BentoniteActive agent
The invention discloses a multielement modified bentonite adsorption material and belongs to the technical field of composite materials and water treatment. Sodium bentonite as a main material is modified by a multielement composite modifier containing an organic long carbon chain cationic surfactant, inorganic polyhydroxyl-based metal cations and a functional short carbon chain organic complexing agent by a copolymerization method to form the organic-inorganic multielement composite bentonite adsorption material. The organic-inorganic multielement composite bentonite adsorption material has porous and large specific surface area characteristics of inorganic pillared bentonite and high carbon content and strong hydrophobicity characteristics of organic bentonite and has strong metal ion complexation and adsorption functions of bentonite and thus organic matters can be adsorbed by surface adsorption and distribution and heavy metal ions in water can be removed by complexation. The organic-inorganic multielement composite bentonite adsorption material can be popularized and used in the waste water treatment field.
Owner:LANZHOU JIAOTONG UNIV
Method for reducing organophosphorus pesticide in fruit vegetable juice
ActiveCN101380134AReduce residual concentrationAvoid the adverse effects of flavorFood preparationUltrasound deviceFood safety
The invention discloses a method for reducing organophosphorus pesticide residue in fruit and vegetable juice, and belongs to the technical filed of food safety. The fruit and vegetable juice to be treated is added to a treatment chamber by an ultrasonic device, a constant temperature circulator is opened the temperature of which is set to perform precooling on the fruit and vegetable juice to betreated; the ultrasonic treatment power is set, and the temperature of the constant temperature circulator is set to cool the fruit and vegetable juice to be treated by circulating water; the ultrasonic device is started to begin ultrasonic treatment and obtain the treated fruit and vegetable juice. After the fruit and vegetable juice is treated by the ultrasonic technology, the concentration of the organophosphorus pesticide in the treated fruit and vegetable juice is significantly reduced. In addition, by adopting a circulating water cooling device, the method avoids adverse effect of heating on the flavor of the fruit and vegetable juice after the ultrasonic treatment. The method is easy and feasible, and can be used for removing the organophosphorus pesticide in other liquid food.
Owner:CHINA AGRI UNIV
Composting method capable of efficiently degrading antibiotics in livestock excrements
ActiveCN106866234APromote degradationResidue reductionBio-organic fraction processingExcrement fertilisersFecesMacrolide resistance
The invention discloses a composting method capable of efficiently degrading antibiotics in livestock excrements. Degradation of a plurality of antibiotics, such as sulfonamides, tetracyclines, macrolides and fluoroquinolones, in a compost can be obviously promoted by adding an antibiotic degradation promoter with a specific using amount into a composting raw material and using specific composting steps, and meanwhile, available heavy metal content in the compost is reduced. The antibiotic degradation promoter consists of an activated carbon and an attapulgite, and can also be used with a biological activated carbon comprising the activated carbon and phanerochaete chrysosporium.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
Preparation method of thin film transistor based on induced longitudinal crystallization polycrystalline silicon
InactiveCN101814438AReduce residual concentrationReduced Drain Leakage CurrentSemiconductor/solid-state device manufacturingInsulation layerShielding gas
The invention provides a preparation method of a thin film transistor based on an induced longitudinal crystallization polycrystalline silicon film, which comprises the steps of: forming a noncrystalline silicon layer on a substate and forming an oxide layer; etching a groove on the oxide layer to expose the noncrystalline silicon layer; forming a nisiloy oxide film with thickness of 100nm on the exposed noncrystalline silicon layer and annealing for 1h at a temperature of 590 DEG C under an inert or protective gas environment; after finishing crystallization, removing residual nisiloy oxide and the oxide layer and forming an active island through photoetching; depositing 100nm of oxide layer; irradiating the surface of a sample by adopting pulse laser; finally, forming a source leakage electrode after ions are injected by using a grid insulation layer as the 100nm oxide layer and 280nm polycrystalline silicon as a grid electrode; and depositing a 500nm oxide layer to form a contact hole and a metal leading-out electrode. By adopting the method, close state current of the TFT and leakage current of a grid initiation leakage electrode are lowered.
Owner:GUANGDONG SINODISPLAY TECH
Treatment technology for antibiotic fungus residues
ActiveCN106925595AAvoids the problem of releasing unpleasant odorsImprove odorSolid waste disposalTransportation and packagingAfter treatmentGas phase
The invention relates to the field of treatment of organic waste and discloses a treatment technology for antibiotic fungus residues. The treatment technology includes the steps that the to-be-treated antibiotic fungus residues are degraded at the temperature ranging from 40 DEG C to 260 DEG C under the existence of acid substances and under airtight conditions; and then degraded products can be separated to obtain solid-phase substance flow and gas-phase substance flow, and after-treatment is conducted on the gas-phase substance flow. By means of the above technical scheme, residual antibiotics in the antibiotic fungus residues can be effectively degraded, meanwhile, organic nutrient components in the residual antibiotics are effectively reserved, and good preconditions are provided for harmless utilization of the fungus residues. In addition, in the treatment process and after the treatment in the technology, the problem that bad smells are released from the fungus residues can be effectively solved, the treated fungus residues are free of foul smells, and environment friendliness is good.
Owner:COFCO NUTRITION & HEALTH RES INST +1
Solar in-situ reinforced vapor extracting system for restoring soil organic pollutants
ActiveCN105234166AReduce residual concentrationIncrease temperatureContaminated soil reclamationGas phaseWater cycling
The invention relates to a solar in-situ reinforced vapor extracting system for restoring soil organic pollutants. The solar in-situ reinforced vapor extracting system comprises a pipeline of a vapor extracting pipe 4, a water circulating system pipeline buried in organic pollutant soil, a solar heat collecting system 1, a heat insulating water tank 2, a gas purifying system and a soil water replenishing system, wherein the water circulating system pipeline is communicated with the solar heat collecting system 1 on the ground so as to form a solar circulating water heating system, the water circulating system pipeline is communicated with the heat insulating water tank 2 so as to form a heat insulating water tank heat storage circulating water system, and the solar heat collecting system 1 is communicated with the heat insulating water tank 2 so as to form a solar and heat insulating water tank combination circulating water heating system; pumps 12 and 13 and valves 7, 8, 9, 10 and 11 are arranged on pipelines of the solar circulating water heating system, the heat insulating water tank heat storage circulating water system and the solar and heat insulating water tank combination circulating water heating system; and the pipeline of the vapor extracting pipe 4 is communicated with the gas purifying system on the ground. The system utilizes solar reinforced in-situ vapor extraction to restore the soil organic pollutants, is compact, is convenient to operate and saves energy.
Owner:中钢集团天澄环保科技股份有限公司
Method for reducing volatile organic contaminant residue in soil in mechanical ventilation repair process
ActiveCN103934262AMitigate or eliminate smearing effectReduce residual concentrationDispersed particle separationContaminated soil reclamationIntensive treatmentSoil science
The invention discloses a method for reducing volatile organic contaminant residue in the soil in a mechanical ventilation repair process. The method comprises the steps of firstly disturbing volatile organic contaminated soil to enable a volatile organic contaminant in the volatile organic contaminated soil to fully volatilize; when the volatile organic contaminated soil enters the repair trailing period, detecting the concentration of the volatile organic contaminant in the volatile organic contaminated soil; if the concentration of the volatile organic contaminant exceeds a repair target value, feeding quick lime into the volatile organic contaminated soil, continuously disturbing the volatile organic contaminated soil and carrying out intensive repair treatment; and if the concentration of the volatile organic contaminant reaches or is lower than the repair target value, finishing the repair work. By using the method, not only is the smearing of the contaminant in the soil obviously relieved or eliminated, the repair period shortened and further the residue concentration of the contaminant in the soil reduced, but also the amount of the fed quick lime is obviously reduced, so that the cost of the intensive treatment can be saved.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Soil remediation system and method of solar hot air reinforced bioelectrochemical coupling biochar
PendingCN111906135AImprove environmental qualityHigh activityWater contaminantsWater/sewage treatment by electrochemical methodsElectrochemical responseElectrochemistry
The invention provides a soil remediation system and method of solar hot air reinforced bioelectrochemical coupling biochar. The soil remediation system comprises a soil filling chamber and an electrochemical reaction chamber which are arranged up and down and communicate with each other; wherein the soil filling chamber is filled with soil, at least one ventilation pipe is buried in the soil, theventilation pipe is externally connected with a solar heat collection system, and at least one spraying layer is arranged above the soil filling chamber; and an anode electrode and a cathode electrode are arranged in the electrochemical reaction chamber and are respectively connected with a solar photovoltaic energy storage system. The biochar is doped in the electrochemical reaction chamber andhas good electrochemical activity; when the biochar is dispersed in the elution waste liquid, the conductivity of the elution waste liquid is certainly enhanced, so that the formation of a conductivenetwork of the elution waste liquid is promoted, and the effective degradation radius of organic pollutants in the elution waste liquid is increased.
Owner:GUANGDONG J TECH ENVIRONMENT SCI CO LTD
Chlorine removal agent, and method and application for removing chlorine from waste acid wastewater by using same
InactiveCN110255799ALow priceEasy to getWater contaminantsWaste water treatment from metallurgical processIonChemistry
The invention belongs to the technical field of waste water and waste liquid treatment and recycling, and particularly relates to a chlorine removal agent, and a method and an application for removing chlorine from waste acid wastewater by using same. The method comprises the following steps: firstly, heating the acid wastewater to a certain temperature, then adding a proper amount of a dechlorinating agent, continuously heating and stirring the system for a certain time to efficiently remove chloride ions in the waste acid wastewater, and absorbing chlorine generated in the reaction process by using alkali liquor. The reaction principle is different from that of the prior art: chlorine ions in the contaminated acid wastewater are oxidized into chlorine by means of the principle of oxidation reduction and the high oxidation potential of a chlorine removal agent or an intermediate product in the reaction process, and the chlorine is volatilized due to the fact that the chlorine is not dissolved in an acidic solution. The concentration of chloride ions in the waste acid wastewater treated by the method is lower than 20 mg / L, so that the concentration of chloride ions in the waste acid wastewater meets the recycling requirement. The method not only solves the problem of removal of chloride ions in the acid wastewater, but also has low requirements on equipment, and realizes resource recovery of chlorine in the wastewater.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
Chinese medicine using desiccation exposition method for treating burn
ActiveCN101406589AMaintain electrolytesPrevent seepageHydroxy compound active ingredientsInanimate material medical ingredientsMyrrhLithospermum
The invention relates to a traditional Chinese medicine for treating burn wounds by adopting a dry exposed therapy, which belongs to the field of traditional Chinese medicine. The traditional Chinese medicine is prepared from 10 to 20g of calcined plaster, 10 to 20g of dragon bone, 20 to 30g of catechu, 10 to 20g of lithospermum, 10 to 20g of angelica, 10 to 20g of rhizoma atractylodis, 10 to 20g of honeysuckle, 10 to 20g of Sanguisorba officinalis, 10 to 20g of angelica dahurica, 5 to 15g of Ampelopsis japonica, 10 to 20g of frankincense, 10 to 20g of myrrh, 20 to 40g of dragon blood, 10 to 20g of indigo naturalis, 10 to 30g of borneol, 200 to 400g of sesame oil, and 60 to 80g of beeswax. The traditional Chinese medicine has the characteristics of short treatment course, quick effect, low cost, small pain, invulnerability to infection, no scars after healing and so on. Proven by thousands of patients, the effective rate reaches 100 percent, and the cure rate reaches 100 percent.
Owner:郝贵
Treatment method for simultaneous removal of fluoride ions and chloride ions in industrial wastewater
InactiveCN107628687AReduce residual concentrationReduce dosageWater contaminantsBiological water/sewage treatmentThiobacillus ferrooxidansHigh concentration
The invention discloses a treatment method for simultaneous removal of fluoride ions and chloride ions in industrial wastewater. The method removes fluoride ions and chloride ions in industrial wastewater through a two-stage process consisting of pretreatment and advanced treatment, wherein Ca(OH)2 and NaAlO2 are used for precipitation in pretreatment, and a biological coagulant is used for coagulation and sedimentation in advanced treatment. According to the invention, the biological coagulant is prepared from directionally domesticated Thiobacillus ferrooxidans and has the advantages of no toxicity, high efficiency, no secondary pollution, national degradability and the like. The treatment method provided by the invention can simultaneously remove fluoride ions and chloride ions in high-concentration industrial wastewater, has low sediment amount, low residual concentration of fluoride ions and chloride ions and good application prospects, and is of great significance to the development of treatment of industrial water pollution in China.
Owner:广西华锡集团股份有限公司
Use of poly 1,8-naphthalene diamine as mercury ionic adsorption agent
InactiveCN1803276ALarge adsorption capacityExcellent adsorption performanceOther chemical processesWater contaminantsDiamineActive carbon
The invention discloses a mercury ion adsorbent usage based on the polymeric 1, 8-naphthidine in the chemical separation technique domain, which is characterized by the following: the polymer can adsorb the mercury ion effectively, which is 16 times more than active carbon; the adsorbed solution density is lower than national regular discharge standard (0.05mg / L).
Owner:TONGJI UNIV
Antibiotic residue treatment process
ActiveCN106925597AAvoids the problem of releasing unpleasant odorsImprove odorSolid waste disposalTransportation and packagingAfter treatmentGas phase
The invention relates to the field of organic waste treatment, and discloses an antibiotic residue treatment process comprising the steps of degrading antibiotic residues to be treated at 40-260 DEG C under the conditions of existence of alkaline matter and seal, then separating degradation products to obtain solid phase material flow and gas phase material flow, and performing post-treatment for the gas phase material flow. Through the above technical scheme, organic nutrients in the antibiotic residues can be reserved effectively while degrading the antibiotic residues, and good preconditions are provided for harmless utilization of residues. Moreover, in the process disclosed by the invention, the problem that the residues have disgusting smell can be avoided effectively in the treatment process and after treatment; the residues treated are free of odor and environment-friendly.
Owner:COFCO NUTRITION & HEALTH RES INST +1
Treatment process for antibiotic mycelium residue
ActiveCN106925596AAvoids the problem of releasing unpleasant odorsImprove odorSolid waste disposalTransportation and packagingAdditive ingredientGas phase
The invention relates to the field of treatment for organic waste, and discloses a treatment process for antibiotic mycelium residue. The treatment process comprises the following steps: degrading the antibiotic mycelium residue to be treated at 100-260 DEG C and under an airtight condition, then separating degradation products to obtain a solid-phase material flow and a gas-phase material flow, and carrying out post-treatment on the gas-phase material flow. Through the technical scheme, organic nutritional ingredients in the antibiotic mycelium residue can be effectively reserved while residual antibiotics in the antibiotic mycelium residue are effectively degraded, so that a good precondition is provided for harmless utilization for the mycelium residue. Moreover, the process disclosed by the invention is capable of effectively avoiding the problem that the mycelium residue releases an offensive odour during the treatment process and after the treatment; and the treated mycelium residue is odour-free and environment-friendly.
Owner:COFCO NUTRITION & HEALTH RES INST +1
Technology for enhancing fermentation of carotene through fermentation promoter
ActiveCN103484520AIncrease production costReduce dosageMicroorganism based processesFermentationPromotion effectSalicylic acid
The invention relates to a technology for enhancing fermentation of carotene through a fermentation promoter. The technology comprises slant culture, seed culture and fermentation processes, wherein in the fermentation process, anyone or a combination of salicylic acid, salicylate, nitrous acid and nitrite is added, so that a good promotion effect is provided for production of beta-carotene through fermentation of Blakeslea trispora. Compared with the prior art, the technology has the advantages as follows: the usage amounts of chemical agents are small; multiple kinds of the chemical agents are combined and applied, so that the good promotion effect for the fermentation level of the beta-carotene is realized; and compared with a conventional process, the fermentation level is improved by (55.0+ / -31.6)-(190.5+ / -27.4)%, and the fermentation level of the beta-carotene can reach 2.25 g / L or above.
Owner:SHANGHAI RES INST OF CHEM IND
Method for recycling waste plastics containing polybrominated diphenyls and polybrominated diphenyl ethers
InactiveCN102050958ARealize physical recyclingImprove separation efficiencyPlastic recyclingChemistryPolybrominated Biphenyls
The invention discloses a method for recycling waste plastics containing polybrominated diphenyls and polybrominated diphenyl ethers, which comprises the following steps: adding waste electronic plastics into a solvent A, dissolving the waste electronic plastics at normal temperature, screening the dissolved plastic solution by using a separating screen, centrifugalizing the screened plastic solution, complementally adding the solvent A into the centrifugalized plastic solution, applying ultrasonic waves onto the solution, adding the obtained plastic solution into a solvent B, and stirring for 30-90 minutes at the rotation speed of 1000-2000 revolutions / minute under the action of ultrasonic waves of which the frequency is 20-50 kHz and the power is 0.5-1.5 W / cm<2>; and sending the plastic precipitate into a twin screw extruder, and removing the residual solvent in the precipitate at 180-220 DEG C, thereby obtaining the recycled plastic product. The mass percent of polybrominated diphenyls and polybrominated diphenyl ethers in the plastics treated by using the method provided by the invention is reduced to lower than 0.1% without great loss of physical and mechanical properties.
Owner:广东泰昊新材料科技有限公司
Antrodia camphorate growth promoter and method for fast producing antrodia camphorate through fermentation
InactiveCN106883010AReduce the probability of contamination with bacteriaIncrease production costFungiMagnesium fertilisersChemistryBioactive substance
The invention relates to an antrodia camphorate growth promoter and a method for fast producing antrodia camphorate through fermentation. The method comprises the processes of inclined surface culture, liquid state seed preparation, liquid state fermentation and solid state fermentation. In each fermentation process, one kind or the combination of several kinds of aromatic compounds such as vanillina can be added, so that the culture period of producing antrodia camphorate mycelia and encarpium through fermentation can be greatly shortened; the content of bioactive substances of antrodia camphorate triterpene is improved. Compared with the existing study and report technology, the antrodia camphorate growth promoter and the method have the advantages that the process is simple; the efficiency is high; the trace growth promoter is used; the goal of fast producing the antrodia camphorate mycelia and encarpium can be achieved; the fermentation period is reduced by more than 50 percent through being compared with that of a conventional method; the content of the antrodia camphorate triterpene is improved by 60 percent or higher; the production cost is reduced; good industrial application prospects are realized.
Owner:JIANGNAN UNIV
Method for detecting 11 organophosphorus pesticide residues in radix paeoniae alba by ultra-high performance liquid chromatography-mass spectrometry
ActiveCN110609106AThe pre-processing process is simpleHigh sensitivityComponent separationRelative standard deviationPesticide residue
The invention discloses a method for simultaneously detecting 11 organophosphorus pesticide residues in radix paeoniae alba by ultra-high performance liquid chromatography-mass spectrometry, and the method comprises the following steps of extracting a medicinal material of radix paeoniae alba by acetone ultrasonic, placing the extracting solution in a centrifuge tube carried with 90mg of graphitized carbon black for vortex purification, taking the supernatant liquid nitrogen to dry, adding acetonitrile to make up the volume, using ultra-high performance liquid chromatography-mass spectrometryto detect in multiple reaction monitoring modes, and carrying out quantification by a external standard matrix curve method. The 11 organophosphorus pesticides have a high linear fit in the range of 2.5-200ng / mL, the recovery rate of the 11 pesticides at a concentration of 0.05mg / kg is 70%-130%, the relative standard deviation is less than or equal to 15%, and the method detection limit is less than or equal to 0.002mg / kg. The method is fast, simple, high in sensitivity, high in precision and high in accuracy, and is suitable for the analysis and detection of 11 organophosphorus pesticides inradix paeoniae alba.
Owner:NINGBO LIWAH PHARM CO LTD +3
Gas sterilization device and method
The invention relates to a gas sterilization device and method. The gas sterilization device comprises a gas generator, a humidifying module, a pressure control module, a sensor and a PLC control module, wherein an air outlet end of the gas generator is connected with an air inlet end of an airtight sterilization cabin, an air outlet end of the airtight sterilization cabin is connected with the sensor, and the gas generator, the airtight sterilization cabin and the sensor form a first loop; and the PLC control module respectively controls the gas generator, the humidifying module and the pressure control module. The gas sterilization device provided by the invention can be used for sterilization and disinfection of the airtight sterilization cabin.
Owner:广州美岸生物科技有限公司
Method for reducing organophosphorus pesticide in fruit vegetable juice
ActiveCN101380134BReduce residual concentrationAvoid the adverse effects of flavorFood preparationUltrasound deviceFood safety
The invention discloses a method for reducing organophosphorus pesticide residue in fruit and vegetable juice, and belongs to the technical filed of food safety. The fruit and vegetable juice to be treated is added to a treatment chamber by an ultrasonic device, a constant temperature circulator is opened the temperature of which is set to perform precooling on the fruit and vegetable juice to betreated; the ultrasonic treatment power is set, and the temperature of the constant temperature circulator is set to cool the fruit and vegetable juice to be treated by circulating water; the ultrasonic device is started to begin ultrasonic treatment and obtain the treated fruit and vegetable juice. After the fruit and vegetable juice is treated by the ultrasonic technology, the concentration of the organophosphorus pesticide in the treated fruit and vegetable juice is significantly reduced. In addition, by adopting a circulating water cooling device, the method avoids adverse effect of heating on the flavor of the fruit and vegetable juice after the ultrasonic treatment. The method is easy and feasible, and can be used for removing the organophosphorus pesticide in other liquid food.
Owner:CHINA AGRI UNIV
Method for detecting 22 organochlorine pesticide residues in total glucosides of radix paeoniae alba by using gas chromatography-mass spectrometry technology
ActiveCN111707768AThe pre-processing process is simpleHigh sensitivityComponent separationGas liquid chromatographicPesticide residue
The invention discloses a method for simultaneously detecting 22 organochlorine pesticide residues in total glucosides of radix paeoniae alba by using a gas chromatography-mass spectrometry technology. The method comprises the following steps: preparing a mixed standard solution, a test solution and a matrix standard curve solution; sequentially injecting the matrix standard curve solution and thetest solution according to chromatographic conditions and mass spectrometric conditions, and drawing a matrix standard curve of 22 organochlorine pesticide residues; and respectively substituting thepeak response intensity data of the test solution to respectively calculate and obtain the concentrations of 22 organochlorine pesticide residues in the test solution. According to the method, the linear fitting degree of 22 organochlorine pesticide residues in the range of 5-400 ng / mL is high, the recovery rate of the 22 organochlorine pesticide residues is 62%-128% when the concentration is 0.1mg / kg, the relative standard deviation is smaller than or equal to 15%, and the limit of quantification of the method is smaller than or equal to 0.05 mg / kg. The method is rapid, simple, convenient,high in sensitivity, high in precision, high in accuracy and suitable for analysis and detection of 22 organochlorine pesticide residues in the total glucosides of radix paeoniae alba.
Owner:NINGBO LIWAH PHARM CO LTD +2
A kind of treatment process of antibiotic bacteria residue
ActiveCN106925595BReduce residual concentrationHigh protein contentTransportation and packagingSolid waste disposalGas phaseEngineering
The invention relates to the field of organic waste treatment, and discloses a treatment process for antibiotic residues, wherein the treatment process includes: in the presence of acidic substances, under airtight conditions, at 40-260 ° C, the treated Antibiotic bacteria residues are treated for degradation, and then the degradation products are separated to obtain solid-phase material flow and gas-phase material flow, and the gas-phase material flow is subjected to post-processing. Through the above technical proposal, the residual antibiotics in the antibiotic residues can be effectively degraded while the organic nutrients therein can be effectively retained, which provides a good precondition for the harmless utilization of the residues. Furthermore, the process of the present invention can effectively avoid the problem that the fungus residue releases an unpleasant smell during and after the treatment, and the treated fungus residue has no odor and is environmentally friendly.
Owner:COFCO NUTRITION & HEALTH RES INST +1
Adsorbing precipitant of anionic dye, its synthetic process and uses
InactiveCN100381482CEasy to operateFast precipitationWater/sewage treatment by flocculation/precipitationEpoxyDye absorption
This invention is concerned with a kind of anionic dye absorption precipitant, its synthesis method and application. Epoxy resin is polymerized with ethylenediamine and epichlorohydrine to produce hydrophobic section-containing polyamine molecules. Polyamine is quaternized with benzyl chloride, dimethyl sulphate to produce polycation. The polycation with anionic dye forms insoluble stable complex and the dye sewage is thus purified by precipitation. As exists strong aromatic hydrophobic sections and groups in the polycation, it is self-emulsified in water to form stable emulsion or microemulsion which performs stronger absorption to anions compard to ordinary cations. Therefore, over 95% anionic dye can be removed from dye sewage with this polycation and it has the advantages of outstanding effect, convenient employment and no second pollution.
Owner:NINGBO UNIV
Tunnel type egg washing device
InactiveCN108513927AReduce labor intensityReduce residual concentrationAvicultureManual medicineWorking environment
The invention discloses a tunnel type egg washing device which comprises an egg washing tank body. A cart inlet and a cart outlet are formed in the two ends of the egg washing tank body respectively.A plurality of egg washing carts are arranged on a bottom plate in the egg washing tank body. A cart pushing system is arranged on the cart inlet of the egg washing tank body and intermittently pushesthe egg washing carts. A spraying system is arranged on the top of the egg washing tank body, and comprises a liquid medicine spraying part and a clear water spraying part. The liquid medicine spraying part is connected with a liquid medicine system for providing cleaning liquid medicines. The clear water spraying part is connected with a cleaning system for providing cleaning water. A waste gasdischarge system for discharging waste gas generated during egg washing out of the tank body is arranged in the egg washing tank body. The tunnel type egg washing device is high in egg washing efficiency, the working environment is improved, and the harm of manual medicine changing to workers is reduced; meanwhile, the residual concentration of sodium hypochlorite on surfaces of hatching eggs is low, a hatching device is well protected, and the service life of the hatching device is prolonged.
Owner:青岛保税区依爱电子有限责任公司
A kind of treatment process of antibiotic bacteria residue
ActiveCN106925596BReduce residual concentrationHigh protein contentSolid waste disposalTransportation and packagingBiotechnologyEngineering
The invention relates to the field of organic waste treatment, and discloses a process for treating antibiotic residues, wherein the treatment process includes: degrading antibiotic residues to be treated at 100-260°C under airtight conditions, and then The degradation products are separated to obtain a solid-phase material flow and a gas-phase material flow, and the gas-phase material flow is post-processed. Through the above technical proposal, the residual antibiotics in the antibiotic residues can be effectively degraded while the organic nutrients therein can be effectively retained, which provides a good precondition for the harmless utilization of the residues. Furthermore, the process of the present invention can effectively avoid the problem that the fungus residue releases an unpleasant smell during and after the treatment, and the treated fungus residue has no odor and is environmentally friendly.
Owner:COFCO NUTRITION & HEALTH RES INST +1
One-way breather valve of dustproof mask
Owner:SHANGHAI DASHENG HEALTH PRODS MFG
A method for the detection of 11 organophosphorus pesticide residues in Paeonia lactiflora by ultra-high performance liquid chromatography-mass spectrometry
ActiveCN110609106BThe pre-processing process is simpleHigh sensitivityComponent separationPesticide residueMass Spectrometry-Mass Spectrometry
The invention discloses a method for simultaneously detecting 11 kinds of organophosphorus pesticide residues in Radix Paeoniae Alba by ultra-high performance liquid chromatography-mass spectrometry. In a centrifuge tube of 90 mg graphitized carbon black, vortex purification, take the supernatant liquid nitrogen and blow it to dryness, add acetonitrile to constant volume, use ultra-high performance liquid chromatography-tandem mass spectrometry to detect in multiple reaction monitoring mode, matrix standard curve external standard Legal amount. The 11 kinds of organophosphorus pesticides have a high linear fitting degree in the range of 2.5-200ng / mL, and the recoveries of 11 kinds of pesticides at the concentration of 0.05mg / kg are 70%-130%, and the relative standard deviation is ≤15%. Limit ≤ 0.002mg / kg. The method is fast and simple, with high sensitivity, precision and accuracy, and is suitable for the analysis and detection of 11 organophosphorus pesticides in Radix Paeoniae Alba.
Owner:NINGBO LIWAH PHARM CO LTD +3
Treatment method of chemical copper plating wastewater
ActiveCN107935093ADecreased purification effectStrong purification abilityOther chemical processesWater contaminantsFiberEthylenediamine tetraacetate
The invention belongs to the technical field of water treatment and relates to a treatment method of chemical copper plating wastewater. According to the method provided by the invention, the purification effect of a cellulose acetate cloth water treatment composite material on copper ions and ethylenediamine tetraacetate radical ions in the chemical copper plating wastewater is regulated throughthe components, the content and the preparation process, so that the residual concentration of the copper ions and the residual concentration of the ethylenediamine tetraacetate radical ions in the purified wastewater are less than 0.01ppm and 0.1ppm respectively, and the purpose of simultaneously purifying the copper ions and the ethylenediamine tetraacetate ions by a one-step process can be realized. Therefore the purification efficiency of the wastewater can be improved, the wastewater treatment cost is reduced, and safe discharge of the wastewater is realized.
Owner:FUDAN UNIV
A solar energy in-situ enhanced gas phase extraction system for remediating soil organic pollutants
ActiveCN105234166BReduce residual concentrationIncrease temperatureContaminated soil reclamationGas phaseWater cycling
The invention relates to a system for in-situ enhanced gas phase extraction and repair of soil organic pollutants by solar energy. Including gas phase extraction pipe 4 pipelines, water circulation system pipelines buried in organic pollutant soil, solar heat collection system 1, insulated water tank 2, gas purification system, soil water replenishment system; water circulation system pipelines and solar heat collection on the ground The system 1 is connected to form a solar circulating water heating system, the pipeline of the water circulation system is connected to the thermal insulation water tank 2 to form a thermal storage circulating water system of the thermal insulation tank, and the solar thermal collection system 1 is connected to the thermal insulation tank 2 to form a combined solar-thermal insulation tank heating system; There are pumps 12, 13, valves 7, 8, 9, 10, 11 on the pipelines of the solar circulating water heating system, the heat storage circulating water system of the insulated water tank, and the combined circulation water heating system of the solar-insulated water tank; 4 pipelines of gas phase extraction pipes It is connected with the gas purification system on the ground. This system uses solar energy to strengthen in-situ gas phase extraction to repair soil organic pollutants. The system is compact, easy to operate, and energy-saving.
Owner:中钢集团天澄环保科技股份有限公司
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