38 results about "Sulfosalicylic acid" patented technology

The application belongs to the technical field of deep eutectic solvents, and particularly relates to a ternary deep eutectic solvent and preparation and application thereof. The ternary deep eutectic solvent is composed of choline chloride, 5-sulfosalicylic acid and gamma valerolactone according to a molar ratio of 1:4:(3-25). The strong hydrogen bond network structure between the green solvent system first destroys the ester bond between lignin and hemicellulose, then cuts off the beta-O-4 bond between lignin molecules, so as to separate lignin. Meanwhile, the deep eutectic solvent can improve the stability of carbon cations due to the conjugation effect between the lone pair electrons on the heteroatom oxygen and the central carbon in the molecular structure of gamma valerolactone, so as to inhibit the condensation reaction of lignin.

The invention discloses an efficient combined collecting agent for copper cobalt oxide ore under a high-magnesium backwater system and a beneficiation method, and the efficient combined collecting agent comprises the following components in parts by weight: 200-300 parts of sulfosalicylic acid, 650-900 parts of ammonium dibutyl dithiophosphate and 650-900 parts of butyl xanthate. By means of the efficient combined collecting agent for the copper oxide cobalt ore and the beneficiation method, the foaming performance of the copper oxide cobalt ore in the flotation process under a high-magnesium backwater system can be improved, and meanwhile the recovery rate of copper and cobalt metal in the copper oxide cobalt ore concentrate can be obviously increased.

The invention relates to the technical field of rare earth hydrometallurgy, and discloses a process for preparing ultra-high-purity rare earth oxide by an ion exchange method, which comprises the following steps: loading monodisperse polystyrene sulfonic acid resin into a chromatographic column, and carrying out constant-temperature circulating pretreatment by using a pre-swelling solution containing urea and ammonium nitrate; preparing a rare earth feed liquid containing urea and with anions being nitrate radicals, introducing the rare earth feed liquid into the chromatographic column for adsorption saturation, and then connecting the rare earth feed liquid in series with the retardation column; carrying out displacement leaching by using a composite leaching solution in which ethylenediamine tetraacetic acid, 5-sulfosalicylic acid and urea are dissolved, and collecting target rare earth effluent in sections; and finally, adding a precipitant into the effluent for precipitation, and filtering, washing and firing to obtain the ultra-pure rare earth oxide. According to the invention, a urea swelling driven dynamic compensation system is constructed, and 10%-14% of monodisperse resin with high crosslinking degree is selected to cooperate with urea-ammonium nitrate pretreatment, so that low-pressure-drop operation at a high flow rate of 1.0 BV / h or above is realized.

The invention provides a method for extracting and detecting free amino acids in meat. The method comprises the following steps: cutting a meat sample into blocks, freeze-drying, crushing and sieving to prepare meat powder; weighing meat powder, adding distilled water, uniformly mixing by vortex, performing water-bath constant-temperature oscillation extraction, and centrifuging to obtain a crude extract; adding sulfosalicylic acid precipitated protein into the crude extracting solution, centrifuging again, taking supernate, and adjusting the pH value with diluted hydrochloric acid to obtain an extracting solution; and filtering the extracting solution by a filter membrane, and detecting by a full-automatic amino acid analyzer. The method takes distilled water as an extraction solvent, efficiently extracts the free amino acid through water bath oscillation, is simple and convenient to operate, high in extraction efficiency and good in stability, is suitable for free amino acid detection of various meat samples such as chicken, beef and pork, and is high in practicability.

This invention relates to a method for preparing and applying an acidic medium-based iron ion recognition indicator. The indicator contains an aminoquinoline structure and a sulfosalicylic acid structure. It exhibits excellent dual colorimetric and fluorescence responses to ferric ions. When the sample contains Fe... 3+ At that time, Fe 3+ It can undergo complexation reactions with the -NH-CO-, -OH, and quinoline-N groups in the indicator, changing the solution from colorless to brown. This allows for qualitative analysis of iron ions by naked-eye observation. Simultaneously, the fluorescence weakens, and the fluorescence intensity is similar to that of Fe. 3+ The content exhibits a good linear relationship, reaching the nanomolar level, enabling quantitative detection of iron ions and Fe. 3+ It has extremely excellent selectivity, and can identify and detect iron ions not only in normal environments, but also accurately identify iron ions under extreme conditions of strong acidity. It is stable, can be used in acidic media, and has strong anti-interference ability.

The invention discloses a single-component manganese-series surface conditioning agent which comprises the following raw materials in parts by weight: 24-42 parts of manganese salt, 5-10 parts of bromide, 5-10 parts of fluoride, 15-30 parts of sodium carbonate, 3-5 parts of a complexing agent and 2-12 parts of an accelerant. Wherein the complexing agent is chitosan / silicon dioxide microspheres modified by sulfosalicylic acid. The method is used for solving the technical problems that a formed film is not uniform and compact and is poor in adhesive force.

This invention discloses a method for measuring the total iron content in EDTA chemical cleaning solution for power plant boilers, relating to the field of chemical cleaning technology for power plant boilers. The method includes: injecting the EDTA cleaning solution into a UV reactor and diluting it with demineralized water; adjusting the pH of the solution in the UV reactor to acidic using hydrochloric acid and ammonia, then adding persulfate solution, heating the reaction, and allowing complete digestion; transferring the solution from the UV reactor to a reaction flask, adding sulfosalicylic acid as an indicator, and titrating with EDTA standard solution until the purple-red color changes to pale yellow as the endpoint, recording the volume of EDTA consumed, and calculating the total iron content in the chemical cleaning solution. This invention features high accuracy, simple operation, and fast detection speed.

The invention provides a desulfurizing agent and application thereof. The desulfurizing agent comprises a first complexing agent-iron complex, a second complexing agent-iron complex and ionic liquid, the first complexing agent is EDTA (Ethylene Diamine Tetraacetic Acid); the second complexing agent is selected from at least one of HEDTA, citric acid, salicylic acid, sulfosalicylic acid and tartaric acid; the ionic liquid comprises at least one of substituted or unsubstituted imidazole cations, pyridine cations, thiazole cations, piperidine cations, pyrazole cations and oxazole cations; and further comprises at least one of oxalate anions, acetate anions, salicylate anions, sulfosalicylate anions, citrate anions and tartrate anions. The desulfurizer has the advantage of high total sulfur removal rate.

The present invention discloses a chromogenic hydrogel for detecting the freshness of vegetable oils, and its preparation method and application, belonging to the technical field of food freshness detection. The preparation method of the chromogenic hydrogel for detecting the freshness of vegetable oils of the present invention comprises the following steps: dispersing nanocellulose obtained by TEMPO oxidation treatment with acrylamide, potassium persulfate, and tetramethylethylenediamine in an aqueous solution, and allowing to stand for cross-linking to obtain a nanocellulose-acrylamide composite hydrogel; mixing ascorbic acid, ferrous sulfate, and sulfosalicylic acid to form a peroxide indicator; allowing the nanocellulose-acrylamide composite hydrogel and the peroxide indicator to stand for adsorption to obtain a chromogenic hydrogel; the chromogenic hydrogel, as a vegetable oil freshness indicator, has a larger specific surface area and a higher water content than traditional film-type indicators, and has the advantages of fast response speed, more sensitive color development, and stronger stability; and has the advantages of low price, no need for complex instruments, and simple and convenient operation.

The invention relates to the technical field of building materials, and particularly discloses a special admixture for self-compacting concrete as well as a preparation method and application thereof. Wherein preparation raw materials of the admixture special for the self-compacting concrete comprise a polycarboxylic acid water reducing agent, a slump retaining type water reducing agent, modified starch, a defoaming agent, an air entraining agent and water, and preparation raw materials of the polycarboxylic acid water reducing agent comprise, by weight, methyl allyl polyoxyethylene ether, hydroxyl polyethylene glycol acrylate, tween-80, sulfosalicylic acid, mercaptoacetic acid and ammonium persulfate; the slump-retaining water reducing agent is prepared from the following raw materials in parts by weight: isopentenol polyoxyethylene ether, acrylic acid, ester monomers, mercaptopropionic acid and potassium persulfate. According to the admixture special for the self-compacting concrete, a long side chain, a sulfonic acid group and an ester group are introduced in the forming process of the water reducing agent, the flow stability of the concrete in the construction process is improved, and good construction performance is kept.

The invention discloses a method for preparing metacycline hydrochloride with low impurity content by directly neutralizing a 11a-chloro-6-methylenetetracycline solution serving as a raw material, and belongs to the technical field of chemical engineering. The method comprises the following steps: adding a neutralizer into a 11a-chlorine-6-methine oxytetracycline solution for neutralization treatment, and filtering to obtain a 11a-chlorine-6-methine oxytetracycline neutralization solution; the method comprises the following steps: adding a 11a-chlorine-6-methyleneoxytetracycline neutralization solution and a regenerated palladium-carbon catalyst into an alcoholic solution, carrying out temperature-controlled hydrodechlorination reaction, filtering, adding sulfosalicylic acid into filtrate, and crystallizing to form salt, so as to obtain the methyleneoxytetracycline, and reacting methyleneoxytetracycline with hydrochloric acid, crystallizing, filtering, and drying to obtain the metacycline hydrochloride. According to the method, a 11a-chloro-6-methyleneoxytetracycline salifying process is not carried out, and the purity and quality of a metacycline hydrochloride product are improved while the production cost is reduced by simplifying a synthetic route, optimizing a process and reducing emission of three wastes (waste gas, waste water and industrial residues).

The invention relates to the field of passivation solutions, and particularly discloses a trivalent chromium black zinc passivation solution free of fluorine, nickel and phosphorus and a preparation process of the trivalent chromium black zinc passivation solution. The passivation solution comprises the following components: 400-600 g of pure water, 10-15 g of chromic nitrate, 1-3 g of maleic acid, 2-4 g of tartaric acid, 3-5 g of citric acid, 1.5-3 g of borax, 3-5 g of sulfosalicylic acid, 5-8 g of ferrous sulfate, 4-6 g of sodium nitrate, 2-4 g of a corrosion inhibitor, 1-1.5 g of a membrane surface conditioning agent, 1-3 g of an antioxidant and 2-5 g of a blackening enhancer. A complexing system is adopted to stabilize release of trivalent chromium ions, a passivation film layer is compact, uniform and not prone to floating, stable generation of the passivation film is facilitated, the passivation time range is wide, and the corrosion inhibitor is added for efficient corrosion inhibition; the blackening effect of the combined action of the blackening enhancer containing the molybdenum element and ferrous ions is adopted, and through the synergistic effect of the corrosion inhibitor, the blackening enhancer and other raw materials, the existing technical problems that an existing passivation solution is poor in appearance texture, high in equipment corrosion, insufficient in environmental protection property, low in film forming stability, high in blackening system cost, large in pollution and the like are solved.

The invention provides a method for removing aluminum from rare earth leaching liquid, and relates to the technical field of metal extraction technologies. A method for removing aluminum from rare earth leachate comprises the following steps that S1, styrene and divinylbenzene are mixed, then a pore-foaming agent is added, and an organic phase is obtained after stirring; s2, dissolving polyvinyl alcohol in deionized water, and stirring until the polyvinyl alcohol is completely dissolved to obtain a water phase; s3, slowly adding the organic phase into the water phase, stirring to form a stable suspension, and transferring the stable suspension to a reaction kettle; s4, introducing nitrogen into the reaction kettle, heating, and polymerizing to obtain resin white balls; and S5, mixing the resin white balls with chloromethyl ether. The D290 resin is matched with the 5-sulfosalicylic acid for use, so that the separation difficulty of the complex is reduced. According to the novel technology, efficient aluminum removal can be achieved under the mild condition, rare earth loss is reduced, and the technology is environmentally friendly; through complexing condition optimization, adsorption process design and gradient regeneration technology, directional removal of aluminum ions and cyclic utilization of resin are realized.

The invention relates to the technical field of metal air batteries, in particular to an electrolyte for a magnesium air battery, a preparation method of the electrolyte and the magnesium air battery, and the electrolyte is a mixed solution of sodium chloride, 5-sulfosalicylic acid compounds, deionized water and sodium fluoride; the mass fraction of the sodium chloride is 3.2%-3.7%; the concentration of the 5-sulfosalicylic acid compound is 0.04 mol / L to 0.06 mol / L; the concentration of the sodium fluoride is 0.004 to 0.006 mol / L; and the balance of deionized water. The pH value of the electrolyte is 7.0 + / -0.3; the preparation method of the electrolyte for the magnesium air battery comprises the following steps: S1, mixing the sodium chloride, the 5-sulfosalicylic acid compound and the sodium fluoride in proportion to form a mixture; s2, adding deionized water, and stirring until a uniform transparent solution is formed; s3, adjusting the pH value of the solution to 7.0 + / -0.3; the magnesium air battery comprises an anode material, an electrolyte and an air cathode, the problems that the anode of the magnesium-air battery is seriously self-corroded and a discharge product is difficult to fall off are solved.

This invention discloses a cerium sulfosalicylate sulfonate for use as a coal combustion catalyst, its preparation method, the catalyst itself, and its applications. The preparation method includes: S10, mixing cerium nitrate and sulfosalicylic acid dihydrate with water to obtain a cerium sulfosalicylate complex solution; S20, adding the cerium sulfosalicylate complex solution to a first reverse micelle solution to obtain a first mixed solution, then adding n-butanol in batches to obtain a first microemulsion; S30, adding ammonia to a second reverse micelle solution, then adding n-butanol in batches to obtain a second microemulsion; S40, mixing the first and second microemulsions and stirring to obtain a pale blue, opalescent colloidal solution, thus obtaining a second mixed solution; S50, drying and grinding the second mixed solution to obtain cerium sulfosalicylate. This cerium sulfosalicylate coal combustion catalyst is easily dispersed and can catalyze the pyrolysis and oxidation processes of coal from within, improving the utilization rate and calorific value of coal.

The invention discloses a leaching method for iron oxide coated gold in calcine, which comprises the following steps: adding water into the calcine to obtain ore pulp, adding an iron leaching agent to adjust the system to be weakly acidic, leaching, carrying out solid-liquid separation to obtain iron-removed slag, adding water into the iron-removed slag to prepare the ore pulp, adding the iron leaching agent into the ore pulp, and carrying out solid-liquid separation on the ore pulp to obtain the iron oxide coated gold in the calcine, and adjusting the pH value of the ore pulp to be neutral or alkalescent, adding a gold leaching agent, and performing solid-liquid separation after leaching to obtain gold leaching residues and a gold-containing pregnant solution. According to the leaching method for the iron oxide wrapped gold in the calcine, the wrapped gold in the iron oxide phase can be fully opened, and the gold recovery rate is increased by 15%-20%.

The application discloses a high-efficiency combined collector for oxidized copper-cobalt ore under a high-magnesium backwater system and a beneficiation method. The high-efficiency combined collector comprises, in terms of weight parts, 200-300 parts of sulfosalicylic acid, 650-900 parts of butyl ammonium black medicine and 650-900 parts of butyl xanthate. The high-efficiency combined collector for oxidized copper-cobalt ore and the beneficiation method can improve the foaming performance in the flotation process of the oxidized copper-cobalt ore under the high-magnesium backwater system, and can obviously improve the recovery rate of copper and cobalt metals in the oxidized copper-cobalt concentrate.

The invention relates to a detection kit for water-soluble vitamins in serum and a preparation and detection method of the detection kit, a water-soluble vitamin calibration product, a quality control product and corresponding matched reagents are prepared to form the detection kit for the water-soluble vitamins, and a sulfosalicylic acid-ammonium acetate system is used for carrying out protein precipitation; and removing protein precipitate by a protein precipitation tube through a vacuum negative pressure device to obtain a clean filtrate, and then detecting by using mass spectrometry. The complex steps of centrifugation and concentration required by an organic solvent protein precipitation method are avoided, the pretreatment process of water-soluble vitamin detection is simplified, the problem that the adding standard recovery rate is high is effectively solved, and the water-soluble vitamin detection efficiency is improved; and meanwhile, a new automation thought is provided for detection of other indexes.

The present invention relates to a chromium-free copper antioxidant for battery negative electrode collector plates, its preparation method, and application. The chromium-free copper antioxidant for battery negative electrode collector plates of the present invention comprises antioxidant A and antioxidant B. Antioxidant A comprises a primary corrosion inhibitor and a dilute alcohol solution, and antioxidant B is a secondary corrosion inhibitor. The primary corrosion inhibitor comprises tannic acid and / or sulfosalicylic acid, and also comprises sodium molybdate and / or sodium hexametaphosphate. The secondary corrosion inhibitor is selected from one or more of thiourea, EDTA·2Na, and polyaspartic acid. The technology of the present invention can specifically protect the copper surface, forming a dense chemical conversion film within minutes, isolating the copper surface from air and preventing air oxidation. It can keep the battery negative electrode collector plate free of corrosion bubbles for 30 to 60 seconds under 40% concentrated nitric acid, and has good wettability and solderability. At the same time, the antioxidant of the present invention does not contain chromium, is green and environmentally friendly, and can be widely used in the new energy industry.

The invention discloses a low-cost environment-friendly method for preparing doxycycline hydrochloride, and belongs to the technical field of organic compound synthesis. The method comprises the following steps: filtering a doxycycline hydrochloride hydrogenation reaction solution while the solution is hot, and carrying out reduced pressure distillation on the filtrate to obtain doxycycline mixed salt; carrying out salt conversion reaction on the doxycycline mixed salt, and separating to obtain doxycycline hydrochloride and salt conversion mother liquor; p-toluenesulfonic acid with relatively high purity can be obtained by treating the salt conversion mother liquor, and the p-toluenesulfonic acid can be used for preparing the 11alpha-chloro-6-methylene oxytetracycline p-toluenesulfonate. Hydrogenation reaction liquid is directly subjected to vacuum concentration after being filtered while hot, additional heat supply is not needed in the process, effective control over energy consumption is achieved through optimization of process steps, and production energy consumption is remarkably reduced; in the hydrogenation reaction salification stage, the addition of sulfosalicylic acid is abandoned, and the consumption of the raw material is effectively avoided, so that the purchase cost of the raw material is greatly reduced, and the production economy is improved.

The invention discloses an anti-scaling agent for an industrial boiler. Comprising the following components in parts by weight: 10-30 parts of organic acid, 5-15 parts of a chelating agent, 3-10 parts of a surfactant, 5-10 parts of a corrosion inhibitor, 3-5 parts of a dispersing agent, 5-10 parts of essence and 60-100 parts of water. According to the scale remover, strong acid or strong base is not adopted as a main agent, the scale remover is friendly to the environment and constructors and high in safety, the scale removing time is shortened through combined use of the sulfosalicylic acid and the L-glutamic acid-N, N-diacetic acid, the boric acid diglyceride and the rhamnolipid, and the scale removing efficiency is improved. Due to the combined use of-butyl-3-methylimidazolium tetrafluoroborate and sodium molybdate, the scale inhibition time is prolonged.

The invention discloses an electrolyte capable of inhibiting lithium dendrites and a battery. The electrolyte is a mixed electrolyte formed by mixing lithium hexafluorophosphate and 5-sulfosalicylic acid in proportion; in the mixed electrolyte, the molar ratio of lithium hexafluorophosphate to 5-sulfosalicylic acid is 1: (2-6); the preparation method comprises the following steps: preparing a 5-sulfosalicylic acid solution; preparing a lithium hexafluorophosphate solution; and slowly adding the lithium hexafluorophosphate solution into the 5-sulfosalicylic acid solution, and uniformly stirring to obtain the mixed electrolyte Li-SA. The electrolyte provided by the invention can inhibit the growth of lithium dendrites and improve the electrochemical performance of the lithium ion battery.

The present application relates to lyocell fabric with anti-static function and its preparation method. First, the wood pulp cellulose is modified by using ferric chloride, sulfosalicylic acid and pyrrole monomer; second, the spinning solution is prepared; third, the spinning solution is added into the screw extruder and enters the spinning system to prepare the lyocell fiber; finally, the lyocell fiber is post-treated and woven to prepare the anti-static lyocell fabric. The point-to-point resistance of the anti-static lyocell fabric prepared by the present application reaches 4.7*10 6 ~5.3*10 6 Ω, the charging amount reaches 0.18~0.21 muC / piece; after 20 times of washing, the point-to-point resistance and the charging amount do not change greatly, which indicates that the lyocell fabric prepared by the present application has stable anti-static function.

The invention discloses a fluxing agent suitable for a methanesulfonic acid system tin plating solution. The fluxing agent contains benzene hydroxyl-containing sulfonic acid, sulfosalicylic acid and an alkyl glycoside surfactant. The invention further discloses a manufacturing method of the electroplated tin plate. The manufacturing method comprises the steps that the cold-rolled strip steel base plate is pretreated; the pretreated cold-rolled strip steel substrate is subjected to electrotinning through a methanesulfonic acid system tinning solution; the fluxing agent suitable for the methanesulfonic acid system tin plating solution is adopted for fluxing a substrate subjected to electrotinning; and softening and melting the tin-plated plate. According to the fluxing agent, the leveling effect of molten tin can be improved to fill plating layer pores, so that a tin layer is flatly and uniformly laid on an intermetallic compound (a tin-iron alloy layer), grain refinement is facilitated, and the corrosion resistance of a low-tin-content tin plate is improved.

The present application belongs to the field of material surface treatment, and particularly relates to a surface passivation method of pure copper, comprising the following steps: performing pre-treatment on the pretreated sample, performing surface passivation on the sample after pre-treatment in a passivation solution, and generating a film layer capable of resisting external erosive ions on the surface of the pure copper and copper alloy after passivation treatment, so as to improve the breakdown potential and prolong the service life of the pure copper product; at least two passivation main agents, such as BTA derivatives and TTA, are required for the traditional pure copper passivation process, and the composition process is complex, and the compounding amount and ratio need to be considered; the passivation method of BTA + sulfosalicylic acid is adopted in the present application, and no BTA compounding agent is required, so as to solve the problems, and the operation is more simple and convenient; and the protection performance of the pure copper sample treated by the passivation process is improved, and the pure copper sample can resist Cl ‑ erosion in 3.5% NaCl solution for a long time, thereby providing guarantee for long-term operation of various pure copper samples in marine environment.

The present invention relates to a kind of water-soluble vitamin detection kit in serum and its preparation and detection method, prepare water-soluble vitamin calibrators and quality control products and corresponding supporting reagents to form a water-soluble vitamin detection kit, utilize sulfosalicylic acid ammonium acetate system to carry out protein precipitation, assisted by protein precipitation tube by vacuum negative pressure device to remove protein precipitation, obtain clean filtrate, and then use mass spectrometry detection. The present invention not only avoids the cumbersome steps that organic solvent protein precipitation method needs centrifugation and concentration, simplifies water-soluble vitamin detection pre-treatment process, and effectively solves the problem that spike recovery rate is high, improves the efficiency of water-soluble vitamin detection;Also provides new automation ideas for the detection of other indicators.

The invention discloses a multi-effect imidazoline corrosion inhibitor for acidizing and fracturing as well as a preparation method and application thereof, and relates to the technical field of oilfield chemistry, the preparation method comprises the following steps: uniformly stirring polyethylene glycol monomethyl ether and cyanuric chloride to react to prepare a polyether cyanuric chloride solution; the preparation method comprises the following steps: stirring 5-sulfosalicylic acid, propargyl alcohol, 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and 4-dimethylaminopyridine to react to prepare a 5-sulfosalicylic acid propargyl alcohol ester product, reacting the 5-sulfosalicylic acid propargyl alcohol ester product with polyether cyanuric chloride to prepare a polyether-sulfonate disubstituted cyanuric chloride intermediate, and reacting the polyether-sulfonate disubstituted cyanuric chloride intermediate with polyether cyanuric chloride to prepare the polyether-sulfonate disubstituted cyanuric chloride intermediate. Dodecenylsuccinic acid and diethylenetriamine react to prepare an imidazoline intermediate, and the polyether-sulfonate disubstituted cyanuric chloride intermediate and the imidazoline intermediate are heated to react to obtain the polyether-sulfonate disubstituted cyanuric chloride. According to the prepared multi-effect imidazoline corrosion inhibitor, four functional groups are combined through chemical bonds, the defects of physical compounding are avoided, and the corrosion inhibition efficiency far exceeding that of physical compounding is achieved.

The invention discloses cerium sulfosalicylate for a fire coal catalyst, a preparation method of the cerium sulfosalicylate, the catalyst and application of the catalyst. The preparation method comprises the following steps: S10, adding water into cerium nitrate and sulfosalicylic acid dehydrate, mixing and reacting to obtain a cerium sulfosalicylic acid complex solution; s20, adding a cerium sulfosalicylate complex solution into the first reverse micelle solution to obtain a first mixed solution, and then adding n-butyl alcohol in batches to obtain a first microemulsion; s30, adding ammonia water into the second reverse micelle solution, and then adding n-butyl alcohol in batches to obtain a second microemulsion; s40, mixing the first micro-emulsion and the second micro-emulsion, and stirring to obtain a colloidal solution with light blue opalescence, so as to obtain a second mixed solution; and S50, drying and grinding the second mixed solution to obtain the cerium sulfosalicylate. The cerium sulfosalicylate fire coal catalyst is easy to disperse, can catalyze the pyrolysis and oxidation process of fire coal from the inside, and improves the utilization rate and the calorific value of the fire coal.

The invention relates to the technical field of water treatment cleaning agents, and discloses a silicon pollution type reverse osmosis membrane cleaning method, which comprises: 1) preparing an anionic surfactant and triethanolamine hydrochloride into a cleaning agent A with a pH value of 10-11; wherein the anionic surfactant is sodium dodecyl benzene sulfonate and / or lauryl sodium sulfate; 2) preparing a cleaning agent B with the pH value of 2-4 from ammonium bifluoride, citric acid, sulfosalicylic acid and an organic nitrogen-containing compound; (3) hydrochloric acid and / or citric acid are / is prepared into a cleaning agent C with the pH being 2-3; and 4) sequentially cleaning the reverse osmosis membrane by using the cleaning agent A, the cleaning agent B and the cleaning agent C. The medicament involved in the method is mild in performance and good in safety, the silicon scale can be thoroughly removed, the desalinization rate and the water flux of the cleaned reverse osmosis membrane element are well recovered, and the requirements of production and reuse are met.

The invention belongs to the technical field of medicinal chemistry, and particularly relates to a novel crystal form of cariprazine, in particular to a cariprazine-5-sulfosalicylic acid crystal form as well as a preparation method and application thereof. The novel crystal form of cariprazine-5-sulfosalicylic acid provided by the invention contains basic units of one molecule cariprazine and 5-sulfosalicylic acid, so that the stability, solubility and the like are greatly improved, and the preparation method is simple to operate, good in reproducibility and suitable for industrial production.