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51results about How to "Advanced technical route" patented technology

Treatment and resource-utilizing technology of tert-butyl peroxy benzoate production wastewater

The invention discloses a treatment and resource-utilizing technology of the production wastewater of tert-butyl peroxy benzoate (initiator is C). The technology is as follows: high concentration production wastewater is collected from the sewage outlet of a production device to perform stabilization treatment, and after the risk that the organic peroxide in wastewater is violently decomposed when heated is basically eliminated, the mixture of tertiary butanol and tert-butyl peroxide, sulfuric acid, benzoic acid and sodium chloride are recycled from wastewater. the mixture of tertiary butanol and tert-butyl peroxide, benzoic acid and sulfuric acid can be used repeatedly in production and sodium chloride is a by-product. After most of tertiary butanol and tert-butyl peroxide are removed and benzoic acid, sulfuric acid and sodium chloride are recycled, the wastewater performs hydrolysis-contact oxidation and C-Fe micro-electrolysis decoloring treatment and the main indexes of discharged water meet the requirements of the discharge standard of water pollutants for pharmaceutical industry chemical synthesis products category (GB21904-2008) on the water pollutants emission limits of new business.
Owner:NORTHWEST NORMAL UNIVERSITY

Treatment system for removing benzenes in petrochemical industry waste gas

ActiveCN106110809AOxidative decomposition is goodLow costCombination devicesGas treatmentIncandescencePetrochemical
The invention discloses a treatment system for removing benzenes in petrochemical industry waste gas. The system comprises a waste heat exchanger, a gas overheating protection device, a thermal type gas mass flow meter, a mixed gas flow control valve, a bag type dust collector, a tungsten coil surface activation-ozone oxidation treatment device, a smoke washing purifying tower, a draught fan and the like. According to the system, the unique surface activation property of ozone on the surfaces of some metal elementary substances is creatively utilized; when a tungsten metal coil is in an electrified incandescence state, ozone can rapidly release activated oxygen atoms on the surface of the tungsten metal coil, and a strong oxidation environment can be generated on the surface of tungsten metal; when molecules, containing C-C bonds with the conjugation effect, of benzenes and the like are in the strong oxidation environment, the conjugated C-C bonds of the molecules can be broken by the activated oxygen atoms, the molecules of benzenes can be decomposed into H2O, CO2 and other inorganic molecules finally under oxygenolysis, and thus the purpose of removing benzenes in waste gas is achieved.
Owner:广东吉之准检测有限公司

Benzoic acid based anhydrous and solvent-free method for preparing heptanaphthenic acid

The invention discloses a benzoic acid based anhydrous and solvent-free method for preparing heptanaphthenic acid. The method specifically comprises the following steps of: S1, separately weighing benzoic acid and a catalyst; S2, putting the weighed benzoic acid in step 1 in a heating container to be heated and dissolved at the temperature of 100-140 DEG C to obtain thermally dissolved benzoic acid; S3, taking a hydrogenation reaction kettle; adding the thermally dissolved benzoic acid obtained in S2 together with the catalyst weighed in S1 into the hydrogenation reaction kettle; replacing three times by nitrogen, reacting to obtain a reaction product; and filtering the reaction product to obtain a heptanaphthenic acid coarse product; and S4, feeding the heptanaphthenic acid coarse product obtained in S3 to a rectifying tower to obtain heptanaphthenic acid. According to the benzoic acid based anhydrous and solvent-free method for preparing heptanaphthenic acid disclosed by the invention, high purity heptanaphthenic acid is obtained by using benzoic acid by adopting an anhydrous and solvent-free one-step hydrogenation method.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Treatment method of beneficiation wastewater

The invention discloses a treatment method of beneficiation wastewater. The wastewater is successively treated through a water collecting well, a coarse screen, a primary settling pond, a pH value adjusting pond, a carbon dioxide vortex convection scum separation reactor, an aeration tank, a biological oxidation filter chamber, a secondary settling pond and a pure water pond. By the method, a rotational flow wall attachment effect in fluid mechanics is utilized creatively, when liquid in a container carries out vortex movement, if contrarotation power is applied to the center position of a vortex simultaneously so that a reverse vortex is generated, barium ions in the liquid can be in rotational flow wall attachment effect, and are gradually gathered in a narrow region between an inner reverse vortex and an outer forward vortex, the local ion concentration is increased, at the moment, carbon dioxide gas is guided and is dissolved in a solution to form carbonate ions, then the barium ions can be combined with the carbonate ions to produce difficultly dissolved barium salt precipitate which floats along the narrow region between the two vortexes, finally barium salt scum is formed, and the barium ions in the solution are removed.
Owner:中植同汇集团有限公司

VOCs (volatile organic compounds) purification system for waste gas of petrochemical industry

ActiveCN105879660AMeet the purification treatment requirementsEfficient degradation abilityCombination devicesGas treatmentHigh concentrationPetrochemical
The invention discloses a VOCs (volatile organic compounds) purification system for waste gas of petrochemical industry. The system comprises a waste heat exchanger, a gas overheat protection device, a hot gas mass flow meter, a hybrid gas flow regulation valve, a cloth bag type dust remover, a pulse ultraviolet activation-microorganism degradation reactor, a smoke-gas-water washing purification tower, and an induced draft fan. The system creatively utilizes the suitability and the bioactivity degradation function of a Verticillium lecanii KM9083 strain to high-concentration VOCs, VOCs elements in the waste gas are finally decomposed into H2O and CO2, and the biological degradation efficiency of the strain to the VOCs can meet purification treatment requirements of the industrial waste gas. Meanwhile, the system utilizes an ultraviolet radiation resistance function of a benzophenone-hexamethyl phosphorotriamides combination, and adds the medicament to the Verticillium lecanii KM9083 strain in advance, thereby effectively preventing a biological inhibition function of ultraviolet rays to the strain.
Owner:JINHUA HUADONG ENVIRONMENTAL PROTECTION EQUIP CO LTD

Treatment method for purifying industrial waste gas

InactiveCN106621774AStrong selective purification propertiesAchieve reuseDispersed particle separationHydrazine compoundOxygen
The invention discloses a treatment method for purifying industrial waste gas. A system is mainly used for removing metal nickel in metallurgy industrial waste gas. The waste gas sequentially passes through an anti-impact protector, a multi-parameter gas tester, an alkali washing and deacidifying device, a front-end draught fan, a double-magnetic moment alternating catalysis-nickel oxygen cluster synthesis, separation and purification device, an electrostatic precipitator and a wet gas purifier to be treated. According to the treatment method disclosed by the invention, a chemical property that metal oxide can be compounded into a metal oxygen cluster under the catalysis effect of a multi-magnetic moment alternating magnetic field is creatively utilized, and a nickel element with various forms in the waste gas is converted into nickelous oxide (NiO); then the waste gas is located in a double-magnetic moment alternating magnetic field generated by rotating and stacking two sets of U-shaped electromagnets in opposite directions; at the moment, the nickelous oxide in the waste gas is collected under the catalysis effect of the alternating magnetic field to form a nickel oxygen cluster, and the nickel oxygen cluster is gathered and removed from the waste gas by utilizing a specific metal oxide gathering hydrazine, so that the aim of purifying and treating the nickel-containing waste gas is realized.
Owner:HANGZHOU QICHENG TECH CO LTD

Process for treating and recycling industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester

The invention discloses a process for treating and recycling industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester (an initiator OT), belonging to the technical field of industrial wastewater treatment. In the process, the industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester is directly collected from a sewage draining port of a production device and is subjected to stabilization treatment so as to basically eliminate the risk that organic peroxides in the wastewater are heated and severely decomposed, and tertiary butanol-tertiary butyl peroxide mixtures, concentrated sulfuric acid, sodium hydroxide and sodium chloride, which are recyclable, are separated and recycled from the wastewater. The wastewater subjected to removal of most organic matters and recycling of sulfuric phosphate, caustic soda and sodium chloride is subjected to hydrolysis-contact oxidation treatment, and C-Fe is subjected to micro-electrolysis decoloration, so that main water discharge indexes meet the requirements in Discharge Standards of Water Pollutants for Pharmaceutical Industry of Chemical Synthesis Products Category (GB21904-2008) for discharge limits of water pollutants for new enterprises. Therefore, the treatment of the peroxide-2-ethylhexoic acid tertiary butyl ester and the recovering and recycling of pollutants in the wastewater are realized.
Owner:NORTHWEST NORMAL UNIVERSITY

Treatment system for removing benzene series in petrochemical industrial waste gas

ActiveCN107441904AOxidative decomposition is goodLow costCombination devicesGas treatmentBiological activationMixed gas
The invention discloses a treatment system for removing benzene series in petrochemical industrial waste gas. The system comprises a waste heat exchanger, a gas overheating protection device, a thermal gas mass flowmeter, a mixed gas flow regulating valve, a cloth bag type dust remover, a tungsten coil surface activation-ozonation treatment device, a smoke water-washing purification tower, an induced draft fan and the like. According to the system, the specific surface activation character of ozone on the surfaces of certain metal elementary substances is creatively used, when a tungsten metal coil is in an electrified fervidity state, the ozone can quickly release activated oxygen atoms on the surface of the tungsten metal coil, a strong oxidation environment can be generated on the surface of tungsten metal, when molecules containing a C-C bond with conjugative effect, of the benzene series and the like are in the strong oxidation environment, the conjugated C-C bond can be broken by the activated oxygen atoms, and the benzene series molecules are finally oxidized and decomposed into inorganic modecules such as H2O and CO2, so that the purpose of removing the benzene series in the waste gas is realized.
Owner:南京宇清环境科技有限公司

Treatment system for removing benzene series in petrochemical industrial waste gas

The invention discloses a treatment system for removing benzene series in petrochemical industrial waste gas. The system comprises a waste heat exchanger, a gas overheating protection device, a thermal gas mass flowmeter, a mixed gas flow regulating valve, a cloth bag type dust remover, a tungsten coil surface activation-ozonation treatment device, a smoke water-washing purification tower, an induced draft fan and the like. According to the system, the specific surface activation character of ozone on the surfaces of certain metal elementary substances is creatively used, when a tungsten metal coil is in an electrified fervidity state, the ozone can quickly release activated oxygen atoms on the surface of the tungsten metal coil, a strong oxidation environment can be generated on the surface of tungsten metal, when molecules, containing a C-C bond with a conjugative effect, of the benzene series and the like are in the strong oxidation environment, the conjugated C-C bond can be broken by the activated oxygen atoms, and the benzene series molecules are finally oxidized and decomposed into inorganic modecules such as H2O and CO2, so that the purpose of removing the benzene series in the waste gas is realized.
Owner:FUYANG HESHI CHEM FIBER AUX CO LTD

Cu/Zr bimetal framework type high-silicon beta molecular sieve catalyst as well as preparation method and application thereof

The invention relates to a Cu / Zr bimetal framework type high-silicon beta molecular sieve catalyst as well as a preparation method and application thereof. Cheap coal-based ethanol is used as a raw material; through the effect of a Cu / Zr bimetal framework type high-silicon beta molecular sieve catalyst, under the conditions that the reaction temperature is 320-400 DEG C, the reaction pressure is 0.5-1MPa and the weight space velocity is 1-3h <-1 >, a relay catalytic reaction for preparing acetaldehyde through ethanol dehydrogenation and preparing butadiene from the ethanol and the acetaldehydeis carried out through a fixed bed reactor, so that the preparation of the butadiene from the ethanol is realized by a one-step method. The molar selectivity of the product butadiene is greater than95%, and the conversion rate of the ethanol is greater than 90%, and the problems of long process flow, low conversion rate, low selectivity and the like in the existing production process for preparing the butadiene from the ethanol and the acetaldehyde are solved.
Owner:SHAANXI YANCHANG PETROLEUM GRP

Treatment system for purifying industrial waste gas

ActiveCN106693640AStrong selective purification propertiesAchieve reuseCombination devicesGas treatmentEnvironmental engineeringOxygen
The invention discloses a treatment system for purifying industrial waste gas. The system is mainly used for removing metal nickel from waste gas of metallurgical industry. The system comprises an anti-shock protector, a multi-parameter gas tester, an alkali washing and deacidification device, a front-end induced draft fan, a double-magnetic-moment alternating catalytic-nickel oxygen cluster synthesis separation and purification device, an electrostatic dust remover, a wet gas purifier and a tail-end induced draft fan. The system transforms various forms of nickel elements in the waste gas are transformed into nickel protoxide (NiO) by creatively utilizing the chemical characteristic that metal oxide can be chemically combined into metal oxygen cluster under the catalytic action of a multi-magnetic-moment alternating magnetic field, the nickel protoxide is a double-magnetic-moment alternating magnetic field which is generated by oppositely rotating and superposing two sets of U-shaped electromagnet, the nickel protoxide in the waste gas is converged under the catalytic action of the alternating magnetic field to produce the nickel oxygen cluster at the moment, and specific metal oxide is used for capturing hydrazine to capture and remove the nickel oxygen cluster from the waste, so that the purpose of performing purification treatment on the nickel-containing waste gas is achieved.
Owner:JIANGSU HENGBO PNEUMATIC CONVEYING EQUIP MFG CO LTD

Airport navigational light sensing system and method based on distant field recognition technology of Internet of things

ActiveCN103473575AInspection work is easy and efficientImprove the perception of operation and maintenance management systemCo-operative working arrangementsRecord carriers used with machinesLight equipmentWireless data
The invention provides an airport navigational light sensing system based on a distant field recognition technology of Internet of things. The airport navigational light sensing system is characterized by comprising RFID (Radio Frequency Identification) electronic tags arranged on all navigational lights in an airport, wherein the identification numbers and maintenance information of the navigational lights corresponding to the RFID electronic tags are stored in the RFID electronic tags at least; the RFID electronic tags establish a wireless data interaction channel with RFID handheld read-write equipment through setting a frequency; data interaction is carried out between all the RFID handheld read-write equipment and a background server through a wireless network or data line; working staff of the airport accesses the background server through a PC (Personal Computer) to operate. The invention also provides a method. By using the airport navigational light sensing system and method, the sensing management efficiency of runway navigational light equipment can be greatly increased, the maintenance time can be greatly shortened, and the operation cost can be reduced. Meanwhile, the blank of informationized sensing management for the airport navigational light equipment at home and abroad is filled up.
Owner:SHANGHAI ELECTRICAL APP RES INST +1

Seletive breeding method of new green cotton variety

The selective breeding method of new green cotton variety includes artificial crossbreeding and twice selfing with Xiangmian-16 cotton variety as female parent and Lu-1 green cotton variety as male parent to breed selectively Lu11-6 green cotton variety; artificial crossbreeding and twice selfing with Xiangmian68-3 cotton variety as female parent and Lu11-6 green cotton variety as male parent; selecting high quality plants in field and selfing to purify so as to obtain the new green cotton variety Lu-89. The green cotton variety Lu-89 has excellent fiber quality, high industrial spinnability, dark color, high color fast and high yield.
Owner:COTTON SCI RES INST OF HUNAN

Inner framework metal high-silicon beta molecular sieve catalyst as well as preparation method and application thereof

The invention discloses an inner framework metal high-silicon beta molecular sieve catalyst which comprises the following raw materials in parts by weight (100 parts by weight): 1-8 parts of copper, 1-5 parts of zinc, 0.1-2 parts of lanthanum and the balance of a silicon-aluminum type boron-containing beta molecular sieve. Meanwhile, the invention discloses a preparation method of the catalyst and application of the catalyst in preparation of butanediamine, and the preparation method comprises the following steps: (1) grinding the silicon-aluminum type boron-beta-containing molecular sieve, and conducting sieving with a 80-100-mesh sieve; and (2) mixing the amino acid complex solutions of copper, zinc and lanthanum according to the weight parts of the raw materials in the catalyst to obtain an amino acid metal complex solution, adding the ground and sieved silicon-aluminum type boron-beta-containing molecular sieve, conducting grinding, and carrying out ion lattice exchange, filtration, washing and drying. According to the catalyst provided by the invention, loading of metal atoms on an inner framework of the beta molecular sieve and monatomic confinement are realized, and when the catalyst is used for preparing butanediamine, byproducts are few, and the product selectivity is high.
Owner:SHAANXI YANCHANG PETROLEUM GRP

Preparation method and application of catalyst for preparing 2-methylnaphthalene/2, 6-dimethylnaphthalene from synthesis gas and naphthalene through one-step method

The invention relates to a preparation method and application of a catalyst for preparing 2-methylnaphthalene / 2, 6-dimethylnaphthalene from synthesis gas and naphthalene through one-step method, which comprises the following steps: mixing one of ZnAlCrOx, ZnZrOx, InZrOx, ZnAlOx and ZnGaOx with a molecular sieve in equal mass, and tabletting to obtain the catalyst, being 20 ~ 40 meshes, for preparing 2-methylnaphthalene / 2, 6-dimethylnaphthalene from synthesis gas and naphthalene through one-step method. According to the invention, synthesis gas is converted into active intermediates such as methanol on a metal catalyst, and then the active intermediates and naphthalene are subjected to a methylation reaction at the acid site of a zeolite molecular sieve. Therefore, the invention for producing high-added-value chemicals through the methylation reaction of the synthesis gas and naphthalene has the advantages of short process route, high naphthalene conversion rate, high catalyst stability, high target product selectivity and the like, and is more economical and efficient.
Owner:NORTHWEST UNIV(CN)

Purification treatment method of industrial wastewater

The invention discloses a purification treatment method of industrial wastewater. Wastewater is treated sequentially through a water collecting well, a coarse bar screen, a primary sedimentation tank, a pH adjusting tank, a microbial oxidation battery-COD decomposition and power-generation device, a nitrification reaction tank, a biological nitrogen removal tank, a secondary sedimentation tank and a water purification tank. The purification treatment method creatively utilizes a characteristic that Shewanella oneidensis can oxidize and decompose organic matters to generate bio-electric energy; a microbial electrode attached with Shewanella oneidensis strain is used as a cathode, and a ruthenium dioxide electrode is used as an anode, so when sufficient oxygen exists, the Shewanella oneidensis can oxidize and decompose the organic matters in a solution through biochemical reaction and produce free electrons, carbon dioxide and water, so as to achieve the purposes of decomposing and removing the organic matters in wastewater; meanwhile, the microbial electrode and the ruthenium dioxide electrode form a galvanic effect in the solution, so that the free electrons can perform directional movement to generate available current.
Owner:涂瑞强

Purifying device for lead-containing sulfur-containing flue gas

The invention discloses a purifying device for lead-containing sulfur-containing flue gas. The device comprises a waste heat exchanger, a gas overheat protection device, a thermal gas mass flowmeter, a mixed gas flow regulating valve, a microwave electronic spinning resonance reactor, an optomagnetic resonance effect-sulfur dioxide decomposition reactor, a VOC combustion treatment device, a flue gas washing and cooling tower and an induced draft fan. According to the purifying device, the electronic spinning resonance characteristic of a metal lead element is creatively utilized, when covalent electrons in lead dust are under the direction action of microwave radiation at the specific frequency, the electrons in the lead dust can generate a spinning resonance phenomenon, and then the strength of covalent bonds in molecules is weakened; meanwhile, when sulfur dioxide molecules in the waste gas are irradiated by cesium vapor lasers in an alternating electromagnetic field with the certain specific intensity, the strength of a S-O bond is gradually weakened through the optomagnetic resonance effect of substances, and bond breaking and dissociating are finally generated.
Owner:杨俊锋

Catalytic high-pressure decomposition reactor for treating industrial waste gas

InactiveCN109908750AExcellent catalytic decomposition performanceLow costCombination devicesGas treatmentUltravioletCompression device
The invention discloses a catalytic high-pressure decomposition reactor for treating industrial waste gas. A plurality of nickel-palladium alloy foils uniformly float in the reactor, the top of the reactor is provided with a set of gas compression piston, and the gas compression piston is connected to a hydraulic compression device at the top end of the reactor through a telescopic transmission rod. According to the catalytic high-pressure decomposition reactor for treating the industrial waste gas, the characteristic that a benzene ring in an aromatic hydrocarbon molecule is easily catalyzedby a metal surface and then decomposed in a state of high internal energy is utilized, exhaust gas containing an aromatic hydrocarbon compound is subjected to volume compression at first to increase the internal energy of the exhaust gas, then the exhaust gas is in contact with the surface of nickel-palladium alloy, under the condition that ultraviolet rays continuously irradiate and excite the nickel-palladium alloy, the conjugated chemical bonds of the benzene ring in the aromatic hydrocarbon molecule can break on the surface of the nickel-palladium alloy, the aromatic hydrocarbon molecule can be gradually cracked to generate inorganic molecules such as H2O and CO2, and therefore, a purpose of removing aromatic hydrocarbon compounds in the exhaust gas is achieved.
Owner:HANGZHOU QICHENG TECH CO LTD

Composite metal oxide, raw material composition and preparation method and application thereof

The invention discloses a composite metal oxide, a raw material composition and a preparation method and application thereof. The raw material composition of the composite metal oxide comprises the following components in parts by weight: 1-5 parts of a copper-containing compound, 1-10 parts of a zinc-containing compound, 1-10 parts of a gallium-containing compound, 80-97 parts of a carrier, 2.4-37.5 parts of alkaline amino acid and a solvent. Copper oxide, zinc oxide and gallium oxide in the prepared composite metal oxide form an alloy type dispersion phenomenon, atom-level confinement and dispersion are achieved, and agglomeration and inactivation of copper are effectively prevented; when the raw material composition is applied to catalytic dehydrogenation and ammoniation reactions, thecatalytic efficiency is high, the raw material conversion rate is high, byproducts are few, the service life can reach 1000 hours or longer, and the service life of the catalyst is greatly prolonged.
Owner:SHAANXI YANCHANG PETROLEUM GRP

A VOCs purification system for petrochemical industrial waste gas

ActiveCN105879660BMeet the purification treatment requirementsEfficient degradation abilityCombination devicesGas treatmentHigh concentrationUltraviolet
The invention discloses a VOCs purification system for petrochemical industrial waste gas. The system includes a waste heat exchanger, a gas overheating protection device, a thermal gas mass flow meter, a mixed gas flow regulating valve, a bag-type dust collector, and pulse ultraviolet activation-microbial degradation Reactor, flue gas washing purification tower, induced draft fan. This system creatively utilizes the adaptability of Verticillium lecanii KM9083 strain to higher concentrations of VOCs and its bioactive degradation effect, and finally decomposes the VOCs components in the exhaust gas into H2O and CO2, and its biodegradation performance on VOCs can meet Purification treatment requirements for industrial waste gas. At the same time, taking advantage of the anti-ultraviolet radiation protection effect of the combination of benzophenone-hexamethylphosphoric triamide, this agent is pre-added to the Verticillium lecanii KM9083 strain, which can effectively prevent the biological inhibition effect of ultraviolet rays on the above-mentioned strains.
Owner:JINHUA HUADONG ENVIRONMENTAL PROTECTION EQUIP CO LTD

Treatment system of beneficiation wastewater

The invention discloses a treatment system of beneficiation wastewater. The system comprises a water collecting well, a coarse screen, a primary sedimentation tank, a pH value adjusting tank, a carbon dioxide vortex convection scum separation reactor, an aeration tank, a biological oxidation filter tank, a secondary sedimentation tank and a water purification tank. According to the system, the rotational flow attachment effect in the fluid mechanics is utilized creatively, when a liquid in a container has vortex motion, if reverse rotation power is applied to the center of a vortex to produce a reverse vortex, barium ions in the liquid can have the rotational flow attachment effect and gradually converge in a narrow area between the inside reverse vortex and the outside forward vortex, local ion concentration is increased, then carbon dioxide gas is introduced to be dissolved in the liquid to form carbonate ions, the barium ions can be combined with the carbonate ions, insoluble barium salt precipitates are produced and float along the narrow area between the two vortexes, barium salt scum is formed finally, so that the barium ions in the liquid are difficult to remove.
Owner:阿巴嘎旗金地矿业有限责任公司

A treatment system for beneficiation wastewater

The invention discloses a treatment system of beneficiation wastewater. The system comprises a water collecting well, a coarse screen, a primary sedimentation tank, a pH value adjusting tank, a carbon dioxide vortex convection scum separation reactor, an aeration tank, a biological oxidation filter tank, a secondary sedimentation tank and a water purification tank. According to the system, the rotational flow attachment effect in the fluid mechanics is utilized creatively, when a liquid in a container has vortex motion, if reverse rotation power is applied to the center of a vortex to produce a reverse vortex, barium ions in the liquid can have the rotational flow attachment effect and gradually converge in a narrow area between the inside reverse vortex and the outside forward vortex, local ion concentration is increased, then carbon dioxide gas is introduced to be dissolved in the liquid to form carbonate ions, the barium ions can be combined with the carbonate ions, insoluble barium salt precipitates are produced and float along the narrow area between the two vortexes, barium salt scum is formed finally, so that the barium ions in the liquid are difficult to remove.
Owner:阿巴嘎旗金地矿业有限责任公司

Breeding method of high-quality three-line sterile line I2A

The invention discloses a breeding method of a high-quality three-line sterile line I2A. Artificial hybridization is carried out by using D-aroma 1B as a female parent and gold 23B as a male parent, asingle plant with an excellent plant type, excellent comprehensive traits and resistance to rice blast is bred through three-generation systematic breeding, then the single plant and Gang 46A are subjected to multi-generation continuous backcrossing, in the backcrossing process, microscopic examination and selection are carried out generation by generation, a single plant which is completely abortive in fertility and has the plant type basically the same as that of the male parent is selected from a sterile line backcrossing group and backcrossed with the male parent, two-way selection is carried out, the breeding cycle is shortened, and the high-quality three-line sterile line which has stable fertility, excellent rice quality, a high reproduction and seed production yield, good resistance of a matched combination, high hybrid vigour and good comprehensive traits is finally bred and named as the high-quality three-line sterile line I2A and does not have aroma. The matched combinationof the high-quality three-line sterile line I2A is excellent in rice quality and high in yield, the organic combination of the high quality and the high yield is truly achieved, and the rice breedingproblem that hybrid rice is high in yield but not high in quality is solved.
Owner:SICHUAN AGRI UNIV

Catalyst for preparing methyl sarcosine and sarcosine from methyl glycolate as well as preparation method and application of catalyst

The invention discloses a catalyst for preparing methyl sarcosine and sarcosine from methyl glycolate. The catalyst is prepared from the following raw materials: cobalt salt, molybdenum salt, cesium salt, molecular sieve nanotubes and water, wherein the amounts of the cobalt salt, the molybdenum salt and the cesium salt are respectively metered by the mass of cobalt, molybdenum and cesium, and the total amount of the cobalt salt, the molybdenum salt, the cesium salt and the molecular sieve nanotube is metered by 100 parts, specifically, the cobalt salt accounts for 5-10 parts, the molybdenum salt accounts for 1-5 parts, the cesium salt accounts for 1-2 parts, and the balance is the molecular sieve nanotube; the element molecular sieve of the molecular sieve nanotube is a boron-containing molecular sieve; the cobalt salt, the molybdenum salt and the cesium salt are all water-soluble salts. Meanwhile, the invention also discloses a preparation method and application of the catalyst. The prepared catalyst is the composite monatomic metal molecular sieve nanotube, and when the catalyst is used for preparing methyl sarcosine and sarcosine, the raw material cost is low, the process route is simple and efficient, and the economic advantage is remarkable; separation and purification are simple, and product selectivity is high.
Owner:SHAANXI YANCHANG PETROLEUM GRP +1

Method for treating industrial wastewater

The invention discloses a method for treating industrial wastewater. The method includes sequentially treating the wastewater by the aid of a water collecting well, a coarse grid, a primary sedimentation tank, a pH (potential of hydrogen) value regulating tank, a plant far-infrared irradiation, enrichment and lead removal device, a nitration reaction tank, a biological nitrogen removal tank, a secondary sedimentation tank and a water purification tank. The method has the advantages that biological characteristics that lead ions in water can be absorbed and enriched by bidens maximowicziana are creatively utilized, and bidens maximowicziana plants are preliminarily treated, so that root systems of the bidens maximowicziana plants can vigorously grow; the wastewater with lead is delivered to the root systems of the bidens maximowicziana, the root systems are stimulated by means of far-infrared irradiation, the lead ions in the wastewater can be quickly and efficiently enriched and absorbed by the bidens maximowicziana under the conditions, and accordingly the purpose of removing the lead in the wastewater can be achieved; full-automatic plant replacement and regeneration programs are further creatively designed, and accordingly human and material resources can be obviously saved.
Owner:HANGZHOU QICHENG TECH CO LTD

A kind of treatment method of beneficiation wastewater

The invention discloses a treatment method of beneficiation wastewater. The wastewater is successively treated through a water collecting well, a coarse screen, a primary settling pond, a pH value adjusting pond, a carbon dioxide vortex convection scum separation reactor, an aeration tank, a biological oxidation filter chamber, a secondary settling pond and a pure water pond. By the method, a rotational flow wall attachment effect in fluid mechanics is utilized creatively, when liquid in a container carries out vortex movement, if contrarotation power is applied to the center position of a vortex simultaneously so that a reverse vortex is generated, barium ions in the liquid can be in rotational flow wall attachment effect, and are gradually gathered in a narrow region between an inner reverse vortex and an outer forward vortex, the local ion concentration is increased, at the moment, carbon dioxide gas is guided and is dissolved in a solution to form carbonate ions, then the barium ions can be combined with the carbonate ions to produce difficultly dissolved barium salt precipitate which floats along the narrow region between the two vortexes, finally barium salt scum is formed, and the barium ions in the solution are removed.
Owner:中植同汇集团有限公司

Treatment and reclamation process of production waste water of tert-amyl peroxypivalate

The invention discloses a treatment and reclamation process of production waste water of tert-amyl peroxypivalate (inhibitor PV), belonging to the technical field of industrial waste water treatment. The process comprises: collecting high-concentration waste water from the drain outlet of a production device, and carrying out stabilization treatment on the high-concentration waste water so as to basically eliminate the risk of severe decomposition of organic peroxides in the waste water; and then separating and recovering tertiary butanol, pero-tertiary butyl, pivalic acid and sodium chloridewhich meet the industrial quality requirement from the waste water, thereby achieving the recovery and reclamation utilization of pollutants in organic peroxide production waste water. By utilizing the process, organisms are removed, and the waste water of acid and salt is subjected to hydrolysis-contact oxidization treatment and then is subjected to C-Fe micro-electrolysis decoloring treatment, thus the main indexes of discharged water reach the requirement of Chemical Synthesis Pharmacy Industrial Waste Water Pollutant Emission Standard (GB21904-2008) on water pollutant emission limit valueof new built enterprises.
Owner:NORTHWEST NORMAL UNIVERSITY
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