40results about How to "Overcoming a large amount" patented technology

The invention discloses a low eutectic solvent for aromatic hydrocarbon separation. The low eutectic solvent is obtained by mixing hydrogen bond receptors and hydrogen bond donors according to a certain ratio (the molar ratio of 1: 1 to 1:10), and stirring till being in a uniform transparent state at 70-100 DEG C. The low eutectic solvent is low in toxicity, environment-friendly and high in efficiency, and can be applied to the process of separating aromatic hydrocarbons from non-aromatic hydrocarbons in coal tar and petroleum oil.

The invention relates to biomass supercritical and subcritical combined continuous type pretreatment and hydrolysis equipment and a method. The equipment comprises a water storage tank, a material storage tank with a stirring device, a preheating system, a supercritical reaction system, a primary cooling system, a subcritical reaction system, a final cooling system, a product collection system and an electronic temperature controlling system. The method comprises the following processing steps: water reaching preheat temperature and biomass material paste are rapidly mixed and then injected into the supercritical reaction system to be pretreated under supercritical condition; the reaction product is cooled through the primary cooling system and depressurized through a pressure reducing valve and then enters into the subcritical reaction system to be hydrolyzed sequentially, therefore fermentable sugars are continuously generated and collected. The invention utilizes the advantages of the supercritical method that the reaction is rapid, activator is not required and product inhibition does not exit, realizes that the continuous hydrolysis conversion of wood fiber biomass can generate fermentable sugars, is the foundation of subsequent resource recovery technologies, such as ethanol production by fermentation and the like, and has wide application prospect.

The invention provides a carbon-loaded surface platinum-enriched platinum-nickel intermetallic compound which is prepared by the following method: adding carbon black, sodium glutamate and sodium citrate into an ethylene glycol solution containing a platinum precursor and a nickel precursor, and generating a carbon-loaded platinum-nickel disordered alloy through a solvothermal reaction; then carrying out heat treatment of the carbon-loaded platinum-nickel disordered alloy in a reducing atmosphere, and transforming into a carbon-loaded platinum-nickel ordered intermetallic compound; and finally, dispersing the carbon-loaded platinum-nickel ordered intermetallic compound in water, carrying out surface platinum enriching through dropping a platinum precursor aqueous solution, and generating the carbon-loaded surface platinum-enriched platinum-nickel intermetallic compound. The surface platinum enriching treatment is carried out based on the carbon-loaded platinum-nickel ordered intermetallic compound, the activity and the stability of a catalyst are improved while the amount of platinum metal is relatively lowered, and the problems that a traditional platinum-carbon catalyst has large amount of precious metal platinum, low catalytic activity and poor stability and the like are overcome. The invention also discloses a preparation method and application of the carbon-loaded surface platinum-enriched platinum-nickel intermetallic compound.

This invention relates to environmentally friendly diesel oil, which is composed of: diesel oil 13-20 parts, water 15-30 parts, plant oil 20-25 parts, methanol 8-11 parts, kerosene 10-30 parts, and composite additive 5-8 parts. The composite additive is composed of: triton X-100 2.0-2.65 parts, ethanolamine 1.5-3 parts, NaOH 14-16 parts, 99.5% ammonia solution 50-55 parts, n-butylamine 5.0-6..0 parts, isopropane 18-21 parts, water 2.0-2.3 parts, and cetane 0.2-1.0 parts. The environmentally friendly diesel oil is prepared in a raw material tank, an aid tank, a product tank, a sealing device, a high-energy static magnetic device and pipelines. This invention solves the problems of low stability, easy separation of oil and water, large amount of emulsifier, high price and difficult transportation faced by present W / O emulsified diesel oil, and has such advantages as abundant raw materials and wide applications.

The present invention is composite preparation for preventing and treating young animal's diarrhea. Multiple polyvalent antibody, antibody protecting synergist, fructose, mannose, yeast polysaccharide and dry medicine power prepared with phellodendron bark, biota leaf, goldthread root and other seven kinds of Chinese medicinal materials as well as deionized water are mixed, emulsified, filtered, centrifugally spray-dried and sieved to obtain the composite preparation product. The persent invention combines immunological prevention and cure, medicinal prevention and cure and microecological prevention and cure into one integral and the preparation has high effect.

The invention discloses a method for continuously synthesizing cumarin by a microchannel reactor, comprising the following steps: (1) dissolving a catalyst into a mixed solution of acetic anhydride and acetic acid, wherein the mass ratio of the acetic anhydride to the acetic acid to a catalyst is (15-50): (2-5):1; (2) respectively pumping salicylaldehyde and the mixture obtained in step (1) in the volume ratio of 1: (1-2) into the microchannel reactor, and enabling the mixture to pass through a reactor I and a reactor II connected in series, wherein the total dwell time of the mixture in the reactor I and the reactor II lasts for 20-80 min; and (3) refining the discharged material to obtain a cumarin finished product. By using the method, tower and kettle devices are avoided, and the method is short in reaction time, low in raw material consumption per unit, high in conversion rate and yield, low in cost and suitable for industrial application.

The invention relates to a biodegradable antifouling marine coating and a preparation method thereof. The synthetic antifouling marine coating is prepared from the following raw materials in percentage by weight: 65%-85% of copolymer, 10%-30% of a solvent, 1%-2% of nano SiO2, 1%-2% of nano TiO2, 1%-1.5% of KLE-333, 1%-2% of KF-64 and 0.5%-1% of KSL-52. The synthetic biodegradable antifouling marine coating can be hydrolyzed under the action of seawater and the like; the surface layer automatically falls off; the coating has self-polishing property; and the surface energy of a base material is reduced, so that the base material has dual characteristics of self-polishing property and low surface energy. The nano TiO2 is added to the coating as an antifouling agent; growth of planktons in sea and adhesion of the coating can be inhibited under the photo-catalysis action; and the problems that an existing single antifouling marine coating is poor in use effect and large in dosage, and generates secondary pollution to a marine environment are solved.

The invention relates to a preparation method of a polycrystal SAPO-53 molecular sieve, and the preparation method comprises the following steps of: adding hexamethonium bromide and alkali metal hydroxides to an organic solvent which contains a sedimentation promotor for ion exchange; filtering to remove sediments, and evaporating the organic solvent to obtain template agent hexane diammonium hydroxide; adding a silicon source, an aluminum source, a phosphorus source and the hexane diammonium hydroxide to water according to the mole ratio of SiO2:Al2O3:P2O5:R(OH)2:H2O=(0.1-15):1:(0.8-20):(0.3-25):(10-80), and stirring to form uniform gel; statically crystallizing at autogenous pressure inside a reaction kettle at 130-190 DEG C for 1-4 days; and filtering, washing and drying to obtain white SAPO-53 molecular sieve solid powder. The preparation method disclosed by the invention has the advantages of simplicity, easiness for operation and small usage amount of the template agent, greatly shortens the crystallization time, reduces the synthesis difficulty and production cost of a molecular sieve and can meet the particular requirement of different application occasions on the molecular sieve by controlling the appearance and particle diameter of a crystal by changing a reaction condition.

The invention discloses a compound hydrate inhibitor. The compound hydrate inhibitor is formed by mixing a copolymer, an emulgator and a dispersing agent. The copolymer is a mixture of one or more of polyvinylpyrrolidone, polyethylene caprolactam, polymethylacrylic acid and dimethylaminoethyl methacrylate. The emulgator is a polyhydric alcohol type non-ionic surface active agent. The dispersing agent is a quaternary ammonium salt compound. The copolymer with the dynamics inhibition performance is combined with the emulgator and the dispersing agent. Nucleation and growth of hydrate particles can be inhibited, and the purpose of dispersing the hydrate particles can also be achieved. The inhibitor can effectively inhibit the nucleation and the growth rate of a hydrate and can also achieve the purpose of preventing agglutination of the hydrate particles, and thus the flowing safety of an oil-gas-water three-phase delivery pipeline is effectively achieved. The compound hydrate inhibitor also has the advantages of being small in use amount, economical, environmentally friendly, efficient, excellent in performance and the like and has good application prospects.

The invention provides a novel hydrate dynamics inhibitor. The novel hydrate dynamics inhibitor comprises a hydrate-proof nucleating agent, a hydrate-proof growth agent and an additive. The novel hydrate dynamics inhibitor has the characteristics that the defects of large usage amount, high economic cost, pollution to environments and the like of the traditional thermodynamics inhibitor are well overcome; compared with the conventional hydrate-proof inhibitor and the hydrate polymerization inhibitor, the nucleating and growth rates of the hydrate can be effectively inhibited, and the formation time of the hydrate is prolonged; the large supercooling degree can be borne, the economic effect is realized, the efficiency is high, and the like; the problem of blockage of hydrate in the oil-gas-water three-phase and gas-water two-phase mixed conveying pipelines is effectively solved.

The invention discloses a synthetic method of a collagen hyperbranched polyester / metallic ion loaded fluoride adsorbent. The synthetic method is characterized in that terminal hydroxyl hyperbranched polyester is grafted to collagen under the effect of a cross-linking agent to increase the content of surface active group in collagen; the prepared hyperbranched polyester loaded collagen is complexed with metallic ion; and then the complexed and hyperbranched polyester / metallic ion loaded collagen can be utilized for treating fluoride-containing wastewater. The synthetic method is simple, and industrial production is easy to realize; the prepared product shows high selectivity for the fluoride in an aqueous solution and can perform complete adsorption; the collagen of the waste leather in tanning process can be used for treating the fluoride-containing wastewater after being modified, so that the purposes of treating sewage with waste and maximizing the economic benefit can be reached.

The invention belongs to the field of substance separation and purification, and relates to a method for separating coenzyme Q10 by using a supercritical fluid chromatographic system. The method comprises the following steps: (1) starting the supercritical fluid chromatographic system, and setting system parameters; (2) after the system operates stably, the chromatographic column is fully balanced, and the baseline is stable, injecting coenzyme Q10 feed liquid, and collecting the coenzyme Q10 component according to an ultraviolet peak signal of an appearance peak; and (3) removing the solventin the coenzyme Q10 component to obtain high-purity coenzyme Q10. According to the method, the coenzyme Q10 crude extract is treated by adopting a supercritical fluid chromatography system separationmethod for the first time, the coenzyme Q10 can be well separated from homolog of the coenzyme Q10, the obtained coenzyme Q10 is relatively high in purity and yield, organic waste liquid discharge amount is small, pollution is small, consumed time is short and separation efficiency is high; and the method has the characteristics of economy, high efficiency, easiness in operation and environmentalprotection, is beneficial to large-scale industrial popularization and application, and has a wide application prospect in the aspects of quantitative analysis and preparation separation.

The invention discloses an active oxygen composite bactericide which comprises the following raw materials in percentage by weight: 65-80% of a potassium monopersulfate composite salt, 5-10% of an activating agent, 5-10% of an efficacy aid, 3-5% of a surfactant, 6-10% of a complexing agent and 1-3% of an anti-caking agent. The invention also discloses a preparation method of the active oxygen composite bactericide. According to the invention, a plurality of active ingredients can be generated, and the active ingredients have a wide microorganism killing effect, including inactivation of bacteria, spores, viruses, fungi and the like, and chlorine-resistant bacteria in a water supply body and a water supply pipe network; and the defects that the chlorine oxidation capacity is relatively weak, the use amount is large, and by-products are generated are overcome, and the defect that the ozone continuity is poor is also overcome. Organic matters can be decomposed into water, carbon dioxide and simple inorganic matters, pesticide residues, chloramine residues, chloramine carcinogens and other harmful secondary residues are degraded, and the problem of acute and chronic poisoning caused by chemical pollution is solved; and algae can be effectively removed, and algal toxins and the like which are difficult to degrade by a conventional disinfectant can be decomposed.

The invention discloses a polypropylene pigment paste, which is prepared by using polypropylene white mineral oil as a pigment carrier, using triethanolamine as a dispersing agent and using red, yellow, blue, black and white organic pigments as color rendering pigments through the steps of fusing one of the pigments into the polypropylene white mineral oil, adding the dispersing agent, fully mixing the obtained mixture, and grinding the obtained mixture by a three roller, wherein the grinding fineness is between 3 and 5 microns.

The invention discloses a composite flocculating agent. The flocculating agent consists of polyelectrolyte and Lewis acid in mass ratio of (8:1)-(3:1), wherein the composite flocculating agent is prepared by the steps of mixing the polyelectrolyte and the Lewis acid at 20-50 DEG C, then reacting for 0.5-4 hours while stirring at 20-50 DEG C, cooling to room temperature and discharging materials, thus obtaining the composite flocculating agent. The composite flocculating agent is applicable to an offshore oilfield wastewater treatment system, and is capable of solving the problem of difficult wastewater treatment due to output liquid variation on an offshore oilfield as well as overcoming shortcomings of high agent dosage, poor effect and high traffic volume in the prior art. Therefore, the quality of injected water or discharged seawater achieves the standard; the preparation method of the composite flocculating agent is simple, production steps are reduced and the production cost is lowered.

The invention relates to a bacteriacide for killing sulfate reducting bacteria and a preparation method of the bacteriacide and belongs to the technical field of oilfield chemical agents for an oil industry. The bacteriacide for killing the sulfate reducting bacteria is characterized by being composed of, by weight, 22.5%-25.0% of industrial formaldehyde, 2.5%-3.5% of medical metronidazole, 20.0%-25.0% of industrial glutaraldehyde, and the balance water; the medical metronidazole and the water are proportionally added into a 1000L enamel reaction still which is provided with a stirring system, a heating system, a cooling system and a vacuum system, and the enamel reaction still is slowly heated to 70 DEG C-80 DEG C; then, when the medical metronidazole and the water in the enamel reaction still are continuously stirred, the industrial glutaraldehyde is proportionally added into the enamel reaction still and is continuously stirred for 30 minutes, and the heating is stopped; and finally, when the mixture in the enamel reaction still is cooled and stirred simultaneously, and the industrial formaldehyde is proportionally added and then cooled to a normal temperature to obtain the sulfate reducting bacteria bacteriacide. According to the bacteriacide for killing the sulfate reducting bacteria and the preparation method of the bacteriacide, the sulfate reducting bacteria in a sewage injection system of an oilfield can be effectively controlled, the preparation method is simple, sources of raw material are wide, the cost is low, and the economic benefits are good.

The invention relates to a method for preparing a dynamic inhibitor for preventing generation of a CH4 hydrate and an application thereof. The dynamic inhibitor is a copolymer P (NVP / MAH / AM) generated by reacting N-vinyl pyrrolidone, maleic anhydride and acrylamide, the inhibitor has a space structure which can form steric hindrance through adsorptive action for inhibiting nucleation, growth and agglomeration of the CH4 hydrate, can effectively prevent that CH4 gas generate the hydrate under low temperature and high pressure conditions, can be individually used, and also can be used with alcohols through complex formulation. Compared with the traditional inhibitors, the CH4 hydrate inhibitor has the advantages of low amount, obvious inhibition effect, and environmental protection.

The invention relates to a folic acid-derived Cu-CoNCNs catalyst and preparation and application thereof, and the preparation method specifically comprises the following steps: (a) adding cobalt saltand copper salt into a folic acid solution subjected to pH adjustment to form a reaction solution, carrying out heating reaction, and carrying out aftertreatment to obtain a Cu-CoNCNs catalyst precursor; and (b) uniformly mixing the Cu-CoNCNs catalyst precursor prepared in the step (a) with NaCl, sequentially grinding, calcining, cooling and washing for the first time to obtain an intermediate, and sequentially carrying out drying, etching, washing for the second time, drying for the second time and annealing on the intermediate to obtain the catalyst. Compared with the prior art, the catalystprovided by the invention has high catalytic activity and good stability, can be used as a proton exchange membrane fuel cell cathode catalyst, and is simple in preparation process.

The invention relates to EVA (ethylene-vinyl acetate) pigment color paste. The EVA pigment color paste comprises four major components, namely a pigment carrier, a dispersant, a color-developing pigment and a filling material. The pigment carrier is constituted by dioctyl phthalate, butyl acetate and an FVA (fumarate vinyl acetate) emulsion, the dispersant adopts triethanolamine, the color-developing pigment adopts pigment red, pigment yellow, pigment blue, carbon black and titanium dioxide respectively, and the filling material adopts light calcium carbonate. When the EVA pigment color paste is manufactured, the FVA emulsion is firstly dissolved in dioctyl phthalate and butyl acetate to form a viscous pigment carrier, then one of the color-developing pigment and light calcium carbonate are blended into the pigment carrier, the dispersant is added, full stirring is performed, and then a three-roller grinding machine is used for grinding to the fineness required by the technology, namely the reference color base of the invention.

The invention provides a preparation method of an environment-friendly novel sanitizer. The environment-friendly novel sanitizer comprises the following raw materials in parts by weight: 75-80 parts of potassium monopersulfate composite salt; 2-3 parts of sodium chloride; 5-10 parts of citric acid; 3-5 parts of succinic acid; and 5-10 parts of a traditional Chinese medicine preparation. The preparation method comprises the following steps: selecting the potassium monopersulfate composite salt, the sodium chloride, the citric acid and the succinic acid in parts by weight, and fully mixing in a powder mixer to form a mixture A; injecting pure water and the mixture A into a high-speed disperser according to a weight ratio of (10-20): 1, uniformly stirring and dispersing for 80-120 minutes, and dropwise adding a certain amount of traditional Chinese medicine preparation through a feeding device to prepare a thick mixed solution B; and stirring and diluting the mixed solution B and pure water according to the volume ratio of 1: (100-1000) to prepare the novel liquid sanitizer. The obtained environment-friendly novel sanitizer product is very good in performance, the active oxygen content is 4.5%-5.0%, the monthly average active oxygen loss rate is 0.4% or below, fungi and germs can be killed, the extremely strong killing effect on intractable viruses and spores is achieved, and the environment-friendly novel sanitizer product has the advantages of being stable, efficient and safe and has good application prospects. The sanitizer product is a safe, efficient, broad-spectrum, environment-friendly and high-killing-power sanitizer product.

The invention relates to the technical field of medical scientific researches and particularly relates to an anti-ovarian cancer medicinal composition and application thereof. The medicinal composition consists of garcinol and cis-platinum, wherein the garcinol and cis-platinum have optimized molar concentrations being 20[mu]M and 2[mu]M respectively. Experimental results indicate that the garcinol and cis-platinum are combined to remarkably inhibit the activity of ovarian cancer cells, remarkably induce cycle arrest of ovarian cancer cells and remarkably induce apoptosis of the ovarian cancercells. The anti-ovarian cancer medicinal composition can overcome defects of large dosage, high toxic and side effect, high relapse rate and the like in medicines for treating ovarian cancer in the prior art, is synergized to induce apoptosis of ovarian cancer cells, reduce medicine dosage, increase cancer cell inhibition rate and reduce toxic and side effects, has an excellent curative effect and has a strong clinical application value.

The invention relates to a method for applying oxidized PE wax to sealing protection of a circuit board. The method comprises the steps that the surface of the circuit board is coated with a layer ofcoupling agent, and air drying is conducted; the circuit board is dehumidified; a tackifier and a liquid toughening agent are added into the molten oxidized polyethylene wax to be uniformly mixed to prepare molten wax; the dehumidified circuit board is immersed in the molten wax for sealing, and after sealing is completed, the circuit board is placed on release paper and dried. By means of the sealing method, the defects that the oxidized PE wax easily cracks at the low temperature and has poor adhesion force are overcome; the tackifier and the toughening agent is added according to a ratio through repeated experiments, and finally, the oxidized PE wax can meet the requirement of the circuit board for effective waterproof and moisture-proof sealing in the working environment at minus 20-60DEG C. By means of the method, the good acid and alkali resistance, electrolytic-resistance chemical stability and hydrophobicity of the main ingredient PE wax are fully utilized, and a layer of waxfilm is formed on the surface of the circuit board and a component to protect the circuit board after melting.

The invention discloses a method for recovering methyl lactate by using a supported ionic liquid [tespmim][OAc]-Zn(OAc)2 / SBA-15 as a catalyst for alcoholysis of a waste polylactic acid material (PLA).The method comprises the following steps that PLA, methanol and the catalyst [tespmim][OAc]-Zn(OAc)2 / SBA-15 are added into a reaction still for an alcoholysis reaction at 90-130 DEG C according to amass ratio of mPLA to mcatalyst and a molar ratio of nPLA to nmethanol, wherein the mass ratio of mPLA to mcatalyst is 1:(0.001-0.1), and the molar ratio of nPLA to nmethanol is 1:(1-10); after the reaction is completed, the catalyst is recovered by means of filtration, unreacted methanol is recovered by means of rotary distillation, and the product methyl lactate is collected by means of distillation under reduced pressure. The conversion rate of PLA can reach 100%, the yield of the product methyl lactate can reach 95% or above, the purity is 99%, and the catalyst supported ionic liquid [tespmim][OAc]-Zn(OAc)2 / SBA-15 can be directly reused.

The detection device relates to a detection device and detection method for the content of flue gas in asphalt; the detection device comprises a distillation flask; the distillation flask is arranged in an oil bath heater; the distillation flask is connected with a gas outlet pipe; the distillation flask is connected with a sample bottle through the gas outlet pipe; the sample bottle is connected with an activated carbon pipe; the distillation flask is provided with a plug with a stopper; when the device is used, a heat resistant magnetic rotor is put into the distillation flask through a neck mouth. The problems that a conventional asphalt flue gas measurement device has large asphalt use amount, narrow test temperature range, poor temperature control precision, complex composition and operation and the like are solved, so the device has the advantages of small use amount of the sample, high temperature-control range, high temperature-control precision, simple composition, convenience in measurement and the like, and simultaneously obtains the contents of heavy flue gas and light flue gas.

The invention discloses polyurethane pigment color paste. Dimethylbenzene serves as an adjusting solvent; polyurethane resin serves as a pigment carrier; a resin solution component is prepared in proportion; triethanolamine serves as a dispersing agent; light catcium carbonate serves as a filling material; and titanium dioxide, carbon black, phthalocyanine blue, phthalocyanine red and sun-proof yellow serve as developing pigments. In a preparation process, the filling material and one of the pigments are fused in the resin solution component, the dispersing agent is added, sufficient stirring is performed, grinding is performed by a three-roller grinder, and the fineness shall be 3-5 micrometers.

The invention discloses a Lanjin oral liquid used for clearing away heat and toxic materials and a preparation method thereof. The lanjin oral liquid is prepared from, 170-190 g of radix isatidis, 140-160 g of flos lonicerae, 90-110 g of herba schizonepetae, 110-130 g of fructus forsythiae, 90-110 g of radix bupleuri, 110-130 g of rhizoma belamcandae and 25-35 g of radix glycyrrhizae. The Lanjin oral liquid has the functions of clearing away heat and toxic materials, dispelling rheumatism and taking an therapeutic effect deep in skin. The oral liquid is mainly used for removing epidemic pathogenic factors caused by external infection of warm pathogens, wherein the pathogens results in infection on the body surface. The Lanjin oral liquid has a great effect of resisting bacteria and virus in vivo and vitro and obvious effects of inflammation resistance, pain relief, antipyresis and diaphoresis.

The invention discloses a method for preparing 1-ferrocenyl-3-aryl-3-diacetyl methine-acetone. The method comprises the following steps: adding choline chloride and urea into a dry three-neck flask, and stirring at 80 DEG C to obtain a transparent solution, thereby obtaining an deep eutectic solvent; cooling the deep eutectic solvent to room temperature, adding ferrocenyl chalcone and 2, 4-pentanedione, slowly heating, carrying out reflux reaction, and carrying out TLC monitoring until the reaction is finished; cooling an obtained reaction mixed liquid to room temperature, adding a small amount of water, immediately separating out solids, carrying out suction filtration, washing an obtained filter cake with water, and drying to obtain 1-ferrocenyl-3-aryl-3-diacetyl methylene-acetone; wherein the deep eutectic solvent (DES) can be obtained by concentrating and recovering an obtained filtrate, can be repeatedly used for five times, and the catalytic activity of the DES is not obviously reduced. The method is simple to operate, short in reaction time, high in yield and simple in aftertreatment, and meanwhile, the catalyst can be recycled, so that the reaction cost is reduced.

The invention discloses a compound type flocculating agent and a preparation method thereof. The compound type flocculating agent is prepared from the following ingredients in parts by mass: 6 to 8 parts of cystamine propylene, 2 to 6 parts of alkali chloride, 6 to 8 parts of carbon sodium, 3 to 5 parts of ethylene dinitrilotetra-acetic acid, 4 to 8 parts of aluminum sulfate, 6 to 8 parts of carbon sodium, 4 to 8 parts of natural organic acid, 15 to 25 parts of coal ash, 14 to 16 parts of starch, 5 to 9 parts of kieselguhr, 3 to 5 parts of aluminum ammonium sulfate, 10 to 12 parts of adsorbent aid, and 4 to 6 parts of polyacrylamide. The compound type flocculating agent provided by the invention is applied in an offshore oilfield wastewater treatment system, solves the problem of difficulty in treating sewage caused by the output liquid change of an offshore oilfield, and overcomes the defects of large dosage, no obvious effects and large transportation volume existed in a current medicament. The quality of water injected or discharged into the sea reaches the standard, the preparation method of the compound type flocculating agent is simple, the production steps are reduced, and the production cost is reduced.

The invention discloses a Lanjin oral liquid used for clearing away heat and toxic materials and a preparation method thereof. The lanjin oral liquid is prepared from, 170-190 g of radix isatidis, 140-160 g of flos lonicerae, 90-110 g of herba schizonepetae, 110-130 g of fructus forsythiae, 90-110 g of radix bupleuri, 110-130 g of rhizoma belamcandae and 25-35 g of radix glycyrrhizae. The Lanjin oral liquid has the functions of clearing away heat and toxic materials, dispelling rheumatism and taking an therapeutic effect deep in skin. The oral liquid is mainly used for removing epidemic pathogenic factors caused by external infection of warm pathogens, wherein the pathogens results in infection on the body surface. The Lanjin oral liquid has a great effect of resisting bacteria and virus in vivo and vitro and obvious effects of inflammation resistance, pain relief, antipyresis and diaphoresis.

The invention relates to a preparation method of a polycrystal SAPO-53 molecular sieve, and the preparation method comprises the following steps of: adding hexamethonium bromide and alkali metal hydroxides to an organic solvent which contains a sedimentation promotor for ion exchange; filtering to remove sediments, and evaporating the organic solvent to obtain template agent hexane diammonium hydroxide; adding a silicon source, an aluminum source, a phosphorus source and the hexane diammonium hydroxide to water according to the mole ratio of SiO2:Al2O3:P2O5:R(OH)2:H2O=(0.1-15):1:(0.8-20):(0.3-25):(10-80), and stirring to form uniform gel; statically crystallizing at autogenous pressure inside a reaction kettle at 130-190 DEG C for 1-4 days; and filtering, washing and drying to obtain white SAPO-53 molecular sieve solid powder. The preparation method disclosed by the invention has the advantages of simplicity, easiness for operation and small usage amount of the template agent, greatly shortens the crystallization time, reduces the synthesis difficulty and production cost of a molecular sieve and can meet the particular requirement of different application occasions on the molecular sieve by controlling the appearance and particle diameter of a crystal by changing a reaction condition.