199results about How to "Reduce emulsification" patented technology

A method of liberating various existing hydrocarbon fractions from emulsified hydrocarbon mixtures without the need of additives, catalysts or heating using ultrasonic cavitation. Ultrasonic energy is provided at a rate sufficient to induce cavitation in the emulsified hydrocarbon mixture without causing cracking. The high temperatures and high pressures resulting from cavitation disrupt the emulsion thereby liberating existing lighter hydrocarbons in the diesel range or lighter for recovery via more traditional separation technologies. The resulting upgraded petroleum product exhibits lower distillation curves and decreased pollution causing components. Further, a wide variety of feedstocks can be treated according to the method of this invention.

The invention discloses a viscosity-reducing oil displacement agent for heavy oil reservoirs, wherein the components comprise, by weight, 20-60% of an emulsifier, 1-5% of an ester-based compound, 0.2-2% of a wetting agent, and the balance of water. The invention further discloses a viscosity-reducing oil displacement agent-polymer system for heavy oil reservoirs, wherein the viscosity-reducing oil displacement agent-polymer system comprises 0.1-1% of the oil displacement agent, 0.05-0.3% of a polymer and the balance of water, and the polymer is polyacrylamide with a molecular weight of 8000000-20000000. According to the present invention, the viscosity-reducing oil displacement agent and the viscosity-reducing oil displacement agent-polymer system can provide good effects of viscosity reducing and emulsifying for heavy oil, can substantially reduce the viscous force of heavy oil in rock pores, can provide good profile control and water blocking effect, can effectively improve oil displacement efficiency, can improve heavy oil recovery, and are suitable for heavy oil reservoirs with a stratum viscosity of more than 200 mPa.s.

The present inventors discovered that the onset of galactosamine hepatopathy is suppressed by nutritional compositions comprising as essential ingredients: whey protein hydrolysates; lecithin and oils and fats high in oleic acid, which are able to improve the lipid metabolism; and palatinose having an insulin-sparing effect. Furthermore, the whey protein hydrolysate included in the nutritional compositions was found to suppress endotoxin-induced TNF-a and interleukin 6 (IL-6) production in macrophages.

The invention provides a method for extracting metal indium from waste residues generated from lead and zinc smelting. The method is implemented by the following steps: carrying out low-temperature and low-acid leaching on the waste residues generated from the lead and zinc smelting, and removing acid-soluble metals from the waste residues; then carrying out high-temperature and high-acid leachingto obtain indium; and obtaining the metal indium after extraction, re-extraction, reduction and refining. The method has relatively short process flow and low production cost, generates a great amount of byproducts, can comprehensively recover and recycle waste water and the waste residues, is not only good for environmental protection, but also realizes cyclic and comprehensive resource use. Thetotal recovery rate of the metal indium is 70-80%, and the recovery rate of high-purity metal indium is up to 99.995%.

The invention provides a new method for preparing high purity chlorogenic acid, comprising the steps: after the stock solution of the chlorogenic acid is processed by washing impurity and eluting through at least four levels of macroporous resin series connection adsorption column, and then the eluate is regenerated for continuous countercurrent extraction, so that the high purity chlorogenic acid is obtained. The method is applicable to light concentration stock solution of the chlorogenic acid, and can complete the process of absorbing, washing impurity, eluting, regenerating, countercurrent extracting and recycling the solvent in a semicontinuous way; the handling capacity of samples is large, the operation is simple, the production cost can be lowered, the residual organic solvent is reduced, and the environmental pollution is relieved.

The invention provides a fluoro-free extreme-pressure microemulsion cutting liquid, whose constituents by weight percentage include water 20-40, mixed alkylolamide 6-12, boracic acid 2-6, sulfonates rust-preventing agent 8-12, auxiliary agent 1-5%, anionic surface active agent 8-12, polybasic alcohol 2-6, sulfurized grease 4-10, mineral oil 15-30, benzotrizaole 0.1-0.3. The invention also provides a process for preparing the liquid.

The preparation method of natural benzaldehyde relates to a kind of benzaldehyde, and provides a new method for preparing natural benzaldehyde by hydrolyzing cinnamon oil under alkaline conditions. Add water to organic base, Na2CO3, and cationic surfactant; heat the mixed aqueous solution, drop in cinnamon oil; condense and collect the product; when the amount of the collected oil phase is only 8% to 12% of the initial amount, stop adding water, when the benzaldehyde When the content is reduced to less than 10% and the cinnamaldehyde content is greater than 60%, the reaction is stopped. Avoid the polymerization and disproportionation reaction of products under strong alkaline conditions, and reduce the amount of benzene and toluene generated due to the existence of small molecule OH-. The use of cationic surfactant instead of nonionic surfactant avoids saponification and emulsification of the product, and the reaction rate is greatly improved. The side reactions such as polymerization and disproportionation of the product are directly reduced. The reaction time of the process is shortened; the yield of the main product of the reaction is increased.

The invention relates to the technical field of smelting indium, in particular to relates to a technological method for extracting indium from zinc oxide generated from waste residue from zinc by hydro-smelting. In the process of acidization, the zinc oxide of the invention is acidated by sulphuric acid; after the acid leaching of the zinc oxide, oxyful is used for the deep removal of iron by oxidation in the process of impurity removal of liquid; after the acidization of the zinc oxide, sulphuric acid is used for acidization leaching in a secondary leaching process; the multistage centrifugal extraction which is rich in indium liquid after impurity removal adopts the mixture of Cyanex923 and P204 as a composite extractant; and the back extraction adopts the mixed liquid of 3 mol/L HCL and 2 mol/L ZnC as a back-extractant. The technological method for extracting the indium from the zinc oxide generated from the waste residue from zinc by hydro-smelting has the advantages that the indium smelting production technology parameter and equipment adapt to high altitude and low air pressure environment, the technology is simple, and the operability is high; and the application of the method and the composite extractant of the invention can increase the recovery rate of indium by 10 to 15 percent.

A method of producing oil and gas from a gathering manifold or a well. The method includes the steps of channeling field production into a sealed vessel through an inlet pipe, and permitting oil and gas components of the field production to separate naturally from water and other fluids within the vessel. The method further includes the steps of evacuating the separated oil and gas from the vessel via pipelines attached to the vessel at locations corresponding to the separated oil and gas, and pumping seawater into the vessel to pressurize the vessel and thereby aid in the production of oil and gas from the vessel.

The invention discloses an oily sludge recycling and treatment method. The oily sludge recycling and treatment method comprises the following steps: mixing oily sludge, water and an extracting agent in a mass ratio of 1:2:(0.3-0.7), wherein the extracting agent is a mixture containing a low-boiling-point organic solvent, a dispersing agent and an anionic surfactant; carrying out ultrasonic oscillation on the mixture in the step S1, and forming an oily sludge extracting agent mixed solution; carrying out solid-liquid centrifugal separation on the oily sludge extracting agent mixed solution, so that deoiled sludge and oil-water extracting agent mixed solution are obtained; and carrying out water separation and oil purification and recycling on the oil-water extracting agent mixed solution. The oily sludge recycling and treatment method provided by the invention is low in separation cost and high in efficiency and can realize extraction and recycling of petroleum in oily sludge, so that resources are utilized again.

The invention relates to a composite beneficiation reagent for extracting vanadium from stone coal. The composite beneficiation reagent for extracting the vanadium from the stone coal is characterized in that the composite beneficiation reagent is composed of a component A, a component B, a component C, a component D and water, the component A is kerosene and/ or diesel oil, the component B is quaternary ammonium salt class matter and/ or aliphatic amine hydrochloride class matter, the component C is any one or more of alcohol ranging from C4 to C8, 4-methyl-cyclohexyl-methanol, MIBC, terpenic oil, methyl triisopropoxy silane, and the component D is any one or more of alkyl-sulfonate ranging from C8 to C12, OP-10 and Tween-60. The composite beneficiation reagent for extracting the vanadium from the stone coal is prepared by a plurality of components according to a certain proportion and a rule, combination of the components of the reagent can be adjusted according to different mineral properties so that a series of flotation reagents can be prepared, and thebest use effect is achieved.

The invention discloses self-crosslinking acrylate emulsion and a preparation method thereof. The self-crosslinking acrylate emulsion is prepared from (methyl) acrylate monomer, a functional monomer, a crosslinking monomer, a crosslinking agent, an emulsifying agent A, an emulsifying agent B, a buffering agent, an initiator, an oxidizer, a reducer and deionized water, wherein the reducer is an FF6M macromolecule polymerization novel reducer produced by a Bruegmann company in Germany, the emulsifying agent A is an emulsifying agent AEROSOL A-501 produced by a Cytel company in America, and the emulsifying agent B is an emulsifying agent AEROSOL MA-80 produced by the Cytel company in America; the preparation method of the self-crosslinking acrylate emulsion comprises pre-emulsification, emulsification and post treatment. A superfine glass fiber separating plate made by adopting the self-crosslinking acrylate emulsion is low in potassium hypermanganate reduzate content, high in liquid absorption speed, high in amount of absorbed liquid and excellent in performance.

A process for extracting huperzine A from clubmoss herb, cryptomeria, or masson fir includes such steps as breaking, immersing in acid solution, concentrating, decoloring by activated carbon, regulating pH value, extracting by chloroform, vacuum recovering, volatilizing, eluting out, vacuum recovering, crystallizing and drying.

Apparatus (20) for use with pancreaticobiliary secretions that enter a gastrointestinal tract of a subject at an anatomical entry location, the apparatus (20) comprising: a pancreaticobiliary secretion-diversion guide (30) configured to collect the pancreaticobiliary secretions from the anatomical entry location and deliver the pancreaticobiliary secretions to a location in the gastrointestinal tract that is distal to the anatomical entry location; and an anchoring system (40) comprising one or more helical anchors (80) located within the gastrointestinal tract and configured to apply pressure to a wall of the gastrointestinal tract in order to maintain the pancreaticobiliary secretion-diversion guide in place.

The invention discloses a compound lidocaine emulsifiable paste and a preparation method thereof. Each 10kg of the compound lidocaine emulsifiable paste comprises the following components according to the weight: 50-1000g of base lidocaine, 50-1000g of base prilocainum, 10-500g of polyoxyethylene hydrogenated castor oil, 10-300g of Carbomer, 40-200g of sodium hydroxide and the balance of pure water. The invention increases clinical use security through releasing lidocaine and prilocainum in base modes to the subcutaneous layer with the depth of 5mm without containing a penetrating agent or a surface active agent component, which is particularly suitable for children patients and patients for face beauty. Through improvement on production process steps, the invention enables the production operation to become easy and feasible, is easy to control the product quality and increases the product stability. The whole production cycle is only half day, and the production efficiency is improved by more than 3 times, thereby the raw materials are saved and the production cost is reduced.

The invention belongs to the technical field of a defoaming agent and preparation of the defoaming agent, and relates to a composite organic silicon defoaming agent and a preparation method of the composite organic silicon defoaming agent. The organic silicon defoaming agent is prepared from the following ingredients in percentage by weight: 48 percent to 54 percent of distilled water, 1.1 percent to 2.48 percent of silicon dioxide, 38 percent to 48.5 percent of simethicone, 1 percent to 3 percent of emulsifying agents, 1 percent to 6 percent of assistants for emulsifying agents and 0.5 percent to 1 percent of stabilizing agents, and the total weight percentage is 100 percent. During the preparation, a main defoaming agent is prepared from the silicon dioxide and the simethicone; then, the distilled water, the assistants for emulsifying agents, the stabilizing agents and the stabilizing agents are sequentially and proportionally added into a reaction device; after the materials are completely dissolved, the main defoaming agent is added for emulsification, and the organic silicon defoaming agent is obtained. The defoaming agent has the advantages that the preparation process is simple; the raw materials can be easily obtained; the cost is low; the prepared organic silicon defoaming agent can maintain good defoaming and foam inhibiting performance; meanwhile, the characteristics of high efficiency, stability, alkali resistance, heat resistance and the like are realized.

A stable aqueous emulsion comprising water, a blend of esters including esters of polyunsaturated fatty acids, such as omega-3 fatty acids, emulsifiers and stabilizers is disclosed. The emulsion may be used as a beverage or as an additive that may be added to a beverage or a food product. The emulsion delivers stable and available omega-3 fatty acids without the undesirable rancid odor.

The invention provides a method for increasing the yield of camellia seed oil extracted with an aqueous enzymatic method. The method comprises steps as follows: camellia seed powder and water are mixed in the material-liquid mass ratio being 1:(1-10), the temperature is increased to 80-90 DEG C for enzyme deactivation for 5-10 min, the pH value is adjusted to 4.5-6.0, and a mixed solution is obtained; a calcium-containing compound is added to the mixed solution, and oil is extraction with the aqueous enzymatic method. According to the method, before an emulsion is formed, according to the characteristic that a triterpene glycoside substance (saponin) aqueous solution can react with calcium salt to produce precipitate, the saponin is precipitated, and the emulsion phenomenon caused by reaction of oil with the saponin is reduced, so that the yield of free oil is increased. The method has the advantages of being low in energy consumption, pollution-free, green, healthy and simple to operate.

The present invention discloses a lithium extractant and a method for extracting lithium from salt lake brine. The method utilizes N,N-dimethylalkylamide as a main extractant, and uses ketone as a phase modifier to extract lithium from salt lake brine, and the extractant has excellent lithium extraction ability and selectivity. In the use, it is not easy to form flocs which affect the extraction process, and the use of the phosphorus-containing extractant is avoided, which is more friendly to the environment.

The invention relates to the technical field of genetic engineering, in particular to modified keto reductase mutant and a preparation method and application thereof. The modified keto reductase mutant has any one of amino acid sequences shown in (I) and (II), to be specific, the amino acid sequence (I) is least 80% the same as that shown in SEQ ID NO. 1, and the amino acid sequence (II) is formedby subjecting amino acids 12 to 214 in the amino acid sequence of SEQ ID NO. 1 to modification, substitution, deletion or addition of one or more amid acids; the substitution refers to substitution of 1-14 amino acids, wherein the modified keto reductase mutant is active the same as keto reductase. By designing mutations for the multiple sites of amino acids 12 to 214, these mutations provide improved activity, stability, soluble expression and selectivity for keto reductase and also enables less keto reductase to be used.

A demulsifying dehydration method of an oilfield produced fluid comprises a step that the demulsifying dehydration is carried out through mixing the oilfield produced fluid, a demulsifying assistant and a demulsifying agent. The oilfield produced fluid contains an emulsified viscosity reducer; the application amount of the demulsifying assistant is 10-200ppm on the basis of the quality of the oilfield produced fluid; and the demulsifying assistant has a structure represented by a general formula of [R1P<+>(R2)3]nX<n->, R1 is a C6-22 alkyl or alkoxy group, R2 is a C1-4 alkyl, hydroxyalkyl, phenyl, benzyl or tolyl group, n is an integer between 1 and 3, X is Cl<->, Br<-> or HCOO<-> when n is 1, X is SO4<2-> when n is 2, and X is PO4<3-> when n is 3.

The invention provides an emulsion type rubber pressure-sensitive adhesive and a preparation method thereof, and relates to the technical field of high polymer materials. The emulsion type rubber pressure-sensitive adhesive is prepared from, by weight, 30-50% of a natural rubber emulsion, 5-15% of a hard monomer, 3-10% of a soft monomer, 0.5-2% of a functional monomer, 0.1-1% of a self-emulsifyingcomonomer, 15-30% of tackifying resin, 10-20% of water, 0.1-1% of an initiator, 0.5-2% of a cross-linking agent and 0.1-0.5% of a buffering agent. The emulsion type rubber pressure-sensitive adhesivehas the advantages of high initial adhesion, high peel strength and difficulty in fogging.

The invention relates to a polymer-containing sludge depolymerization agent. The polymer-containing sludge depolymerization agent comprises, by weight, 6-10 parts of 2-acrylamide-2-methylpropanesulfonic acid, 2-6 parts of acrylamide, 24-35 parts of dimethyldiallylammonium chloride, 56-70 parts of purified water, 0.002-0.006 parts of an initiator and 0.0004-0.0008 parts of a cross-linking agent. Raw materials used by the depolymerization agent are domestic resources, and have abundant sources and low prices; and the depolymerization agent can effectively remove polymers, is suitable for polymer-containing sludge, achieves removal of polymers in the polymer-containing sludge, mitigation of the emulsification phenomenon of oil sludge and promotion of high dehydration of the oil sludge, realizes the reduction and recycling of the polymer-containing sludge, solves the problems of much oil sludge, large processing difficulty, high processing cost and severe environment harms of the polymer-containing sludge of offshore oilfields in the production process, and provides an escort for long-term stable production of the oilfield.

The present application concern the isolation of a peptidylarginine deiminase enzyme (EC 3.5.3.15) from Gibberella zeae (also called Fusarium graminearum). The application also discloses citrullinated proteins and peptides produced enzymatically using said arginine deiminase and uses of such citrullinated proteins and peptides in foodstuff. The present invention relates to a modified protein, peptide or protein hydrolysate wherein at least 15%, preferably at least 30%, more preferably at least 45%, still more preferably at least 60%, and most preferably at least 80% of the arginine residues which are originally present in the protein, peptide or protein hydrolysate is transformed into a citrulline residue.

The invention discloses a double-pump multiphase extraction device and a control method thereof applied to soil groundwater remediation. The extraction device comprises an extraction well system, a gas-phase extraction and treatment system and a liquid-phase extraction and pretreatment system; the gas-phase extraction and treatment system comprises a gas filter, a vacuum pump, a cooling water tank and activated carbon adsorption tanks; and the liquid-phase extraction and pretreatment system comprises an oil-water separator, an air compressor, a main control board, an air bag pump and a liquid level probe, wherein the liquid level probe is connected to the main control board through a wire, the air bag pump communicates with the air compressor through a compressed air pipe and communicates with the oil-water separator through a water outlet pipe, a compressed air electromagnetic valve is arranged on the compressed air pipe and is connected to the main control board, and the oil-water separator is connected to a wastewater treatment system through a water outlet valve and communicates with a hazardous waste recycling device through an emptying valve. The double-pump multiphase extraction device and the control method thereof applied to the soil groundwater remediation have the advantages that the position of extracted groundwater can be adjusted in real time, and the requirement for flexibly adjusting the parameters of the remediation work can be met.

The invention discloses a chemical intervention in-situ emulsification system, which comprises the following raw materials by weight: 0.1-0.3% of a CO2 responsive monomer, 0.1-0.3% of a surfactant, 0.01-0.1% of a hydrophilic nano-material, and the balance of water, the surfactant is an anionic surfactant or an anionic-nonionic surfactant, The nano material is one or a mixture of more of crystalline flake graphite powder, graphene oxide, hydrophilic silicon dioxide and hydrophilic carbon nanotubes. The chemical intervention emulsification system can be suitable for heavy oil reservoirs and thin oil reservoirs, meanwhile, the viscosity of the chemical intervention emulsification system is adjusted to a moderate degree, the viscosity of the chemical intervention emulsification system is not too small or too large, and the chemical intervention emulsification system can be used for heterogeneous reservoirs. Meanwhile, after the crude oil forms the emulsion, other demulsifiers do not need to be added, and rapid demulsification and dehydration can be realized only by introducing N2 gas.

The invention provides a method of utilizing calcium-magnesium zinc salts to promote biodiesel layering. The method which utilizes acid-containing oil catalysts to prepare biodiesel and then adds calcium-magnesium zinc salts to promote biodiesel layering belongs to the technical field of advanced energy. The method is characterized in that after adopting sodium hydroxide, potassium hydroxide and the like as catalysts to catalyze the reaction of the acid-containing oil and methanol so as to prepare the biodiesel, the method adds the calcium-magnesium zinc salts to promote layering in view of the non-layering of the biodiesel and glycerin; the oil with the acid value up to 15 can be catalyzed; and after the transesterification of the acid-containing oil, the calcium-magnesium zinc salts are added and stirred for 60 to 120 minutes at a temperature between 20 and 70 DEG C, so as to layer the biodiesel and the glycerin. The method has the advantages that the method can directly utilize the oil with the acid value up to 15, reduces production cost, is simple in post treatment process, improves the quality of biodiesel products, and is suitable for large-scale industrial production.