52results about How to "Reduce residual concentration" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

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.

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.

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.