7841 results about "Solvent" patented technology

The invention relates to a preparation method of phenylmethylamine. The technical scheme adopted by the invention for mainly solving the problems of high catalyst loss, low production efficiency and high intermittent operation labor intensity is as follows: the preparation method of the phenylmethylamine comprises the following steps: mixing the raw material of cyanobenzene with a solvent material or at least one of one part of product materials in a mixing unit, introducing the mixture into a fixed bed hydrogenation reactor to be in contact with hydrogen and a catalyst and carry out multi-phase continuous hydrogenation reaction to obtain a product material containing phenylmethylamine, separating the product material to obtain a phenylmethylamine product, wherein the catalyst is a metal loaded catalyst; and the metal is selected from at least one of Pd, Pt, Cu, Ni, Mo and Fe. The preparation method can be used for preparing phenylmethylamine.

A ternary deep eutectic solvent (TDES) system for a biomolecule (for example, chitin) recovery from a biomass (for example, seafood waste), and the method of preparation of ternary deep eutectic solvent (TDES) system, and a process to differentiate / extract / recover biomolecules (such as chitin) from a biomass (such as seafood waste).

The invention discloses a self-crosslinking temperature-resistant salt-resistant emulsion type fracturing fluid thickening agent and a preparation method thereof, and belongs to the technical field of oilfield chemistry. The raw materials adopted by the invention comprise 30 to 50 parts of an oily solvent, 15 to 25 parts of deionized water, 10 to 20 parts of acrylamide, 5 to 10 parts of acrylic acid, 2 to 4 parts of 2-acrylamido-2-methylpropanesulfonic acid, 0.05 to 0.2 part of a crosslinking monomer, 0.5 to 1 part of a quaternary ammonium salt type hydrophobic association monomer, 4 to 8 parts of an emulsifier and 1 to 2 parts of a phase inversion agent. The self-crosslinking emulsion is formed through water phase-oil phase mixing, high-speed emulsification, low-temperature initiation polymerization and phase inversion treatment. Based on physical-chemical double-crosslinking temperature control cooperation, a salt-resistant-hydrophobic double-shielding mechanism and an integrated design without an exogenous crosslinking agent, the contradiction between the temperature-resistant and salt-resistant performance of a traditional thickening agent and the process complexity is broken through, and a technical support is provided for efficient development of high-temperature and high-salt oil and gas reservoirs.

According to the preparation method of the Huangshan pine needle polyphenol and the acne-removing and inflammation-diminishing essence, the Huangshan pine needle polyphenol is prepared by adopting a microbial solid fermentation method, release of soluble polyphenol substances in Huangshan pine needles is remarkably promoted, and compared with an unfermented group, the polyphenol content of pine needles reaches up to 146.32 + / -2.53 mg / g and is increased by 1.89 times. The pine needle polyphenol component is prepared by adopting ultrasonic-assisted deep eutectic solvent extraction, membrane filtration and separation and purification technologies, the method has the advantages of short extraction time, low extraction temperature, environmental friendliness and the like, the structural integrity of pine needle polyphenol is maintained to the greatest extent, and the antibacterial activity of polyphenol is remarkably improved. The acne-removing and inflammation-diminishing essence containing the Huangshan pine needle polyphenol is soft in formula and high in safety, has remarkable dual effects of moisturizing and acne removing, can effectively inhibit skin inflammation, promote repair of acne skin, maintain the health state of the skin and meet the requirements of people, and can be widely applied to the field of skin care products.

The invention relates to a preparation method of Pt monatomic nano-enzyme and application of Pt monatomic nano-enzyme in cardiac troponin I. The preparation method comprises the following steps: 1) ultrasonically dispersing cobalt salt, selenium powder, chloroplatinic acid, urea and sodium chloride in an alcohol solvent, heating and stirring until the solvent is completely volatilized to obtain a solid mixture, and grinding the solid mixture into powder; and 2) placing the powder in a heating device, carrying out Joule heat treatment in an air atmosphere, washing a reactant, and carrying out vacuum drying to obtain the Pt monatomic nano-enzyme. Se doping is introduced in the one-step chemical reaction process to construct oxygen vacancies, rapid heating and structural shaping are achieved in combination with Joule heat treatment, the Se-doped Co3O4-loaded Pt monatomic catalyst is obtained, the oxygen vacancies and Se doping sites are synergistically used as anchoring sites, Pt monatomic atoms are effectively fixed, and the loading capacity and dispersity of the Pt monatomic atoms are improved. The obtained material shows excellent POD-like enzyme activity, can be used for constructing a high-sensitivity colorimetric immunoassay system, and realizes rapid and accurate detection of cTnI.

The invention discloses injectable hydrogel with redox activity and electroactivity as well as a preparation method and application of the injectable hydrogel, and belongs to the technical field of medical materials. The preparation method comprises the following steps: reacting methacrylic anhydride and polysaccharide molecules in a solvent to prepare a double-bond functional polymer; the preparation method comprises the following steps: firstly, pre-polymerizing dopamine in a solvent, and then adding MOF (Metal Organic Framework) to carry out polymerization reaction, so as to prepare dopamine modified MOF; reacting the dopamine modified MOF, EDOT and ferric salt in a solvent, and collecting the precipitate to prepare a nano filler; the preparation method comprises the following steps: jointly dispersing the double-bond functional polymer, active polypeptide, a photoinitiator and nano filler into a solvent, and carrying out photocuring cross-linking. The preparation condition is mild, gel forming is rapid, the method is simple, the prepared hydrogel has injectable performance and conductive performance, catalytic activity of natural enzyme can be simulated, active oxygen removal can be achieved in the early stage of myocardial ischemia, electrical conduction of infarction parts can be enhanced, and effective recovery of cardiac functions can be achieved.

The invention provides an intelligent evaluation method and system for the antibacterial effect of a water matrix standard substance, and relates to the technical field of intelligent evaluation, and the method comprises the following steps: preparing a bacterial suspension in a logarithmic phase and checking turbidity; preparing a water matrix standard substance and a control solvent, and obtaining a baseline parameter set; setting inoculum size and incubation conditions, determining the antibacterial efficiency in parallel, and performing image segmentation correction on sticky colonies to obtain an original observation set; establishing a deviation transfer relationship, correcting the original data, and forming an endpoint quantization set; and the bacteriostatic validity is output through evidence fusion, and a supplementary experiment is carried out on a critical condition. According to the method, the accuracy and reliability of bacteriostatic effect evaluation of the water matrix standard substance are improved.

The invention discloses a lubricant composition and application thereof in processing of a high-weather-resistance PC hollow plate, and relates to the technical field of lubricant compositions. The lubricant composition comprises the following components in parts by mass: 40-60 parts of base oil, 5-15 parts of a weather-resistant stable additive, 3-8 parts of an anti-wear reagent at extreme pressure, 2-6 parts of a dispersing agent, 1-4 parts of an antioxidant, 0.5-2 parts of a coupling agent and 20-30 parts of a solvent. Through the molecular collaborative design of the polar base oil and the solvent, the thermal decomposition tendency in the processing process is remarkably reduced, and a lubricating system is promoted to be upgraded to a low-volatilization and low-pollution green process direction. A weather-resistant additive molecular skeleton with anti-oxidation and anti-ultraviolet characteristics is innovatively constructed, integration of multiple protection mechanisms in material processing and service stages is realized, and dependence on secondary addition of auxiliaries in a traditional process is reduced.

The invention provides slick water fracturing fluid as well as a preparation method and application thereof. The slick water fracturing fluid comprises chitosan, a polymer matrix, paraformaldehyde and a solvent. In the slick water fracturing fluid provided by the invention, the chitosan and the polymer are fully dissolved, and the main chains of the two polymers are physically interpenetrated and wound. In the presence of paraformaldehyde, a polymer main chain is chemically crosslinked with paraformaldehyde to form a primary network structure. Then, chitosan and molybdenum disulfide can form coordination cross-linking sites, a secondary network structure is obtained, then a multi-network structure which cannot be split is formed, and the viscosity is high; moreover, the components have good solubility in the solvent, are easy to mix on line and are relatively low in preparation cost.

The invention provides a thermal interface material based on vinyl imidazole ionic liquid as well as a preparation method and application of the thermal interface material. The thermal interface material is prepared from the following raw materials: the vinyl imidazole ionic liquid, a heat-conducting filler subjected to surface treatment by a silane coupling agent, an initiator and a cross-linking agent. The thermal interface material is based on the vinyl imidazole ionic liquid and the heat-conducting filler, the limitation of a traditional thermal interface material base body is broken through, dispensing can be achieved, no solvent is needed in the preparation process, the adverse effect of solvent residues on the performance of a chip when the thermal interface material is applied to the chip subsequently can be avoided, and the thermal interface material has ideal interface bonding strength; the heat conduction effect is remarkable and stable, the heat stability is good, the material can be well attached to an interface, the problems of stress concentration, cracks and the like are not prone to occurring, and the material can be widely applied to the heat conduction and heat dissipation fields of aerospace, advanced energy, electronic information, military industry and the like.

The invention is about a method of marking ink which is only used to defend fake. The composition of it is: lipidol or lipid, surface active agent, integration agent, water, buffering agent. Their mass percents are: 1,2-hexylene glycol: 5%-15%, butanol: 1-5%, DH-1: 5-10%, EDTA: 0.1-0.5%, MS-1: 0.1-1%, water: the rest. The process is: a. dissolving the colorant in water, b. put the correct percent of 1,2-hexylene glycol and butanol into the solvent, then dropping the MS-1 and EDTA solution when mixing the solvent for 30-50 min, c. put the rest precent of water into the printing ink box. The picture and word would be shown red fluorescence in the UV but blank in the usual light.

The invention provides a method for synthesizing 1, 2-bis (4-vinyl phenyl) ethane, which comprises the following steps: adding a first solvent, methyl triphenyl phosphine halide and strong alkali into a reaction flask, and uniformly stirring to obtain a first mixed solution; heating the first mixed solution and carrying out reflux reaction for 1 hour; dropwise adding a 1, 2-bis (p-formaldehyde phenyl) ethane solution until the reflux reaction is finished to obtain a second mixed solution; reducing the temperature of the second mixed solution to room temperature, and adjusting the pH value of the second mixed solution to obtain a first solution; layering the first solution, and taking an organic layer; adding a polymerization inhibitor into the organic layer to obtain a second solution; concentrating the second solution to obtain a 1, 2-bis (4-vinyl phenyl) ethane crude product; adding a poor solvent into the crude product, stirring and crystallizing; filtering the crystal to obtain a filter cake, adding a second solvent into the filter cake, and washing and drying the filter cake to obtain 1, 2-bis (4-vinyl phenyl) ethane; the method for synthesizing the BVPE is simple and low in raw material cost, and the synthesized BVPE is high in purity and free of product isomeride.

The invention relates to the technical field of liquid-liquid homogeneous microextraction, in particular to a method for microextraction analysis of perfluorooctanoic acid by using a switchable eutectic solvent. Comprising the following steps: step 1, mixing a hydrogen bond acceptor and a hydrogen bond donor according to a set proportion value, and stirring and mixing at a set temperature value to obtain a eutectic solvent; step 2, filtering the water sample through a water-based filter membrane, then adding a set amount of deep eutectic solvent, dropwise adding an alkaline solution, carrying out full vortex mixing through a mixer, and then adding an acidic solution to form an emulsion; according to the method, the high selectivity of the green solvent with a specific structure on perfluorooctanoic acid and the characteristic that the solvent is switched between hydrophilic and hydrophobic forms are utilized, so that the microextraction time is shortened, and the impurity removal and enrichment effects are enhanced. The method is simple and convenient to operate, green, environment-friendly, low in cost and good in effect, has the advantage of efficiently and rapidly pretreating the batch small-size complex matrix sample, and has a relatively good application prospect.

The invention discloses a eutectic solvent for promoting ultrahigh dissolution of curcumin and a preparation method of the eutectic solvent, relates to the technical field of chemical preparations, and aims to solve the technical problem of relatively low solubility of curcumin in a solvent in the prior art. The preparation method of the eutecticevaporate solvent for promoting ultrahigh dissolution of curcumin comprises the following steps: mixing a hydrogen bond donor, a hydrogen bond acceptor and other components, and heating to a first preset temperature to obtain a clear and transparent eutecticevaporate solvent; and heating the eutectic solvent to a second preset temperature, adding curcumin powder, carrying out rapid vortex dissolution, centrifuging, and collecting a supernatant to obtain a clear and transparent high-solubility curcumin solution. According to the method, the green solvent is adopted as a medium, no additional substance needs to be added, operation is easy and convenient, the solubility of the curcumin is remarkably improved, and therefore the application range of the curcumin in the fields of cosmetics, food and pharmacy is expanded.

The invention discloses a self-cleaning active resistance reducing agent and a preparation method thereof, and belongs to the technical field of oilfield chemistry. The resistance reducing agent is prepared from the following components in mass concentration: 30-50% of a composite copolymer, 1-15% of a desorption promoting agent, 0.02-0.4% of a suspension main agent, 0.15-0.6% of a suspension activating agent and the balance of a solvent, the preparation method comprises the following steps: firstly, dissolving polyvinyl alcohol and carboxymethyl hydroxypropyl guanidine gum in water to form an aqueous solution, and adding acrylamide, sodium acrylate, a rigid monomer containing a benzene ring, a reinforcing agent and urea into the aqueous solution to obtain a composite reaction solution; adding an initiator to carry out polymerization reaction to obtain polymer colloid; and cutting, crushing and drying the polymer colloid to obtain composite copolymer powder. The resistance reducing agent disclosed by the invention has a thickening effect, strengthens the characteristics of low adsorption and low residue of a polymer on the basis of having variable viscosity and strong sand-carrying capacity, also has the effects of promoting the dissociation of adsorbed gas into free gas and dredging and cleaning a stratum, and effectively improves the oil and gas recovery ratio and the stable production capacity.

The invention provides a closed-loop reaction continuous production process for producing pigment violet 23, which comprises the following steps: a) adding an NMP (N-Methyl Pyrrolidone) solvent into a 100L reaction kettle, starting and stirring to 30 DEG C, adding a reduzate, and stirring for 30 minutes; b) adding sodium carbonate after the step a), and continuously stirring for 30 minutes; c) slowly adding chloranil, keeping the temperature at 35-40 DEG C, and continuously reacting until the reaction is finished; d) transferring the material in the step c) to closed-loop reaction equipment, and controlling the feeding sequence, mode and complete reaction of each component by utilizing a multi-component reaction optimization technology to ensure the reaction of reactants and reduce the generation e of side reaction to the maximum extent; the adding sequence, the reaction environment, the pressure and the flow speed of reactants are accurately controlled in the reaction process, and the high yield and the high purity of the pigment purple 23 are guaranteed; f) continuously carrying out catalytic oxidation reaction in the closed loop by using a static mixer and a small amount of catalyst combination to obtain a product; by optimizing the continuous production process of the closed-loop reaction of the pigment violet 23, adopting a closed-loop reaction system, and performing continuous production and flow marking monitoring and control, the method disclosed by the invention achieves obvious good effects in a plurality of aspects; the production efficiency is improved, the product quality is guaranteed, the production cost is reduced, the environmental friendliness is improved, and the process stability is enhanced.

The invention belongs to the technical field of phosphoric acid purification, and particularly relates to a removing agent and a removing method for heavy metal cadmium in phosphoric acid. The removing agent comprises a solvent, a thiophosphoric acid trapping agent A and a thiophosphoric acid trapping agent B, wherein the thiophosphoric acid trapping agent A and the thiophosphoric acid trapping agent B are dispersed in the solvent; the thiophosphoric acid trapping agent A and the thiophosphoric acid trapping agent B are different types of thiophosphoric acid trapping agents and are respectively and independently selected from one of alkyl dithiophosphoric acid or salts thereof, phenolic dithiophosphoric acid or salts thereof and amino dithiophosphoric acid or salts thereof; and at least one hydrocarbyl dithiophosphoric acid or salt thereof is selected; the salt is sodium salt or ammonium salt; the solvent is water or an alkaline aqueous solution. According to the method, a composition of a dithiophosphoric acid trapping agent is used as a removing agent for cadmium in wet-process phosphoric acid, a precipitate which is insoluble in a strongly acidic water phase is generated after reaction, and phosphoric acid cadmium removal is realized after filtration. Compared with a conventional sulfide precipitation method, the method provided by the invention has the advantages of less cadmium residue in phosphoric acid and less pollution.

Provided is a flux that can suppress the generation of voids when an indium alloy sheet is used to perform a continuous reflow under different temperature conditions. The present invention employs a flux that contains a rosin ester, an organic acid (A), and a solvent (S). The organic acid (A) includes a dimer acid (A1) that demonstrates a weight reduction rate of not more than 1 mass % in a thermogravimetric analysis in which the dimer acid is heated up to 260° C. at a temperature rising rate of 10° C. / min. The solvent (S) includes a solvent (S1) that demonstrates the weight reduction rate of at least 99 mass % in a thermogravimetric analysis in which the solvent (S1) is heated up to 150° C. at a temperature rising rate of 6° C. / min.

The invention belongs to the field of natural product extraction, and particularly relates to a method for extracting chitosan by using hermetia illucens in a high-valued manner. According to the method, the ionic liquid is introduced while the chitosan is extracted by adopting a deep eutectic solvent method, the deep eutectic solvent can form strong interaction with chitin molecules, the ionic liquid can further enhance specific recognition of the chitin molecules, and the ionic liquid and the deep eutectic solvent have a synergistic effect, so that solubility and recognizability of the chitin are improved; protein and salt are efficiently removed, meanwhile, glucosidic bonds of a chitin macromolecular main chain are prevented from being hydrolyzed and broken, and the extraction rate and purity of chitosan are remarkably improved. According to the method, the extraction condition is mild, the eutectic solvent can be recycled and reused, the extraction process flow of the chitosan is simplified, and the method is environment-friendly.

The invention provides a stable perovskite precursor solution and a preparation method and application thereof. The perovskite precursor solution comprises a solute, a solvent and a stabilizer; the stabilizer comprises a compound containing a reducing group and a hydrogen ion group capable of being ionized; the solute comprises bromomethylamine, formamidine iodide, chloromethylamine, cesium iodide, lead iodide and lead bromide. The preparation method comprises the following steps: mixing a solute and a solvent, adding a stabilizer into the mixture, and mixing to obtain the perovskite precursor solution. According to the invention, the specific composition of the perovskite precursor solution is designed, and a specific stabilizer is further used, so that the perovskite precursor solution with relatively high stability and a relatively good storage effect is prepared.

The invention relates to a device for modifying the abilities of water to dissolve, dilute or extract other substances (solvent properties). This device makes it possible to precisely adjust the mineral concentration of the water used and to expose the water to trains of photons, the parameters of which can be computationally defined (total exposure time, duration of the trains, exposure frequency and wavelength). The device contains preset parameters that make it possible to obtain an optimal modification of the physicochemical properties of the mineralized water and to facilitate the process of dissolving certain solutes.

The invention relates to the field of foaming materials, in particular to a low-solvent-residue expandable polystyrene material and a preparation method thereof. The expandable polystyrene material with low solvent residue comprises the following raw materials in percentage by weight: 0.35-0.45% of a free radical initiation system, 0.35-0.45% of S, S, S, S, S, S, S, S, S, S, S, S, S, S, S According to the present invention, the material comprises, by weight, 0.1-0.15% of S, S '-bis (alpha, alpha'-dimethyl-alpha ''-acetoxy) trithiocarbonate, 0.15-0.2% of ascorbic acid, 0.1-0.2% of a nucleating agent, 0.2-0.3% of a suspending agent, 0.001-0.003% of an emulsifier, 5-6% of a foaming agent, 0.15-0.25% of a plasticizer, 0.001-0.002% of hydroxyethyl cellulose, 0.05% of sodium phosphate, 0.1-0.2% of zinc stearate, and 0.1-0.2% of glyceryl stearate, the obtained material has low solvent residue, meets food safety requirements, and is suitable for food packaging.

The invention belongs to the technical field of medical and mechanical combinations, and discloses a high-permeability and low-sensitivity ripdicaine wound patch and a preparation method thereof.The high-permeability and low-sensitivity ripdicaine wound patch comprises a wound patch body, and the wound patch body is prepared from, by mass, 0.1%-0.4% of sodium hyaluronate, 1.5%-3.5% of lidocaine, 1.5%-3.5% of prilocaine, 3%-10% of solvent, 0.5%-8% of emulsifier, 2%-10% of humectant, 0.1%-5% of soothing agent, 0.1%-1.5% of stabilizer, 0.1%-1% of thickener and the balance water. According to the present invention, the total amount of the raw materials is 100%, the total amount of the raw materials is 100%, the total amount of the raw materials is 100%, the total amount of the raw materials is 100%, the total amount of the raw materials is 100%, the total amount of the raw materials is 100%, the total amount of the raw materials is 100%, the total amount of the raw materials is 100%, and the total amount of the raw materials is 100%. And the anesthetic has the advantages of quick effect taking, low sensitivity, capability of resisting moist heat sterilization and good stability.

The invention discloses a porphyrinyl prismatic coordination molecular cage and a preparation method and application thereof.The preparation method comprises the steps that H2TMPP, Au (III) metal salt and Pd (OAc) 2 are dissolved in a solvent, an acidity regulator is added, after hydrothermal treatment, mother liquor is removed, obtained crystals are washed, and the porphyrinyl prismatic coordination molecular cage Pd-TMPP (Au) is obtained. 6 PdCl2 units and ligand combinations (H2TMPP) x [TMPP (Pd)] y [TMPP (Au)] zClz form 10 complexes in total, and the Pd-TMPP (Au) comprises at least 5 of the complexes. According to the invention, a Pd-TMPP (Au) hexagonal prism high-entropy coordination molecular cage based on Au (III) is synthesized by using a hydrothermal method, and the unique arrangement mode of the (metal) ligands in the cage inhibits pi-pi stacking of a porphyrin photosensitizer, so that the effect of PDT is improved.

The invention relates to a purification method of penta (dimethylamino) tantalum, and relates to the technical field of purification of amino metal compounds. In a standard glove box with the oxygen content lower than 2 ppm and the water content lower than 0.01 ppm, taking a proper amount of sublimated crude product penta (dimethylamino) tantalum, putting the sublimated crude product penta (dimethylamino) tantalum into a dry and clean sample bottle, adding a solvent after water and oxygen removal to dissolve the penta (dimethylamino) tantalum, and filtering; and then cooling and crystallizing, slowly reducing the temperature until crystals are separated out, and slowly crystallizing to generate faint yellow micro-transparent crystals. After crystallization is completed, filtering is conducted again in a low-temperature state, and crystals are dried in vacuum. And after the mother liquor is desolventized to evaporate out the solvent, the recovered crude product penta (dimethylamino) tantalum can be sublimated and recycled again.

In one aspect, a demulsification additive includes a separation-promoting agent and a solvent. In another aspect, a demulsification additive includes a separation-promoting agent and a demulsifier or demulsifier intermediate. In another aspect, a method for separating crude oil from water includes introducing the water to the cmde oil, providing a demulsification additive that includes a separation-promoting agent, and contacting the water and the crude oil with the demulsification additive. In one embodiment, the separation-promoting agent is selected from the group consisting of dextran sulfate sodium salt, polyvinyl pyrrolidone functionalized with sodium salt of chloroacetic acid, poly(ethyleneglycol)-b(propyleneglycol)-b(ethyleneglycol) block copolymer, polyvinyl pyrrolidone functionalized with propyl sulfonate, sulfonated polyether ether ketone polymer, polyvinyl pyrrolidone functionalized with bromohexane, polyvinyl pyrrolidone functionalized with iodododecane, and combinations thereof.

The invention provides an antifouling self-cleaning fluorocarbon finish paint as well as a preparation method and application thereof, and particularly relates to the technical field of special coatings. The antifouling self-cleaning fluorocarbon finish paint is composed of a component A and a component B in a ratio of (80-87): 16, the component A is prepared from the following components in parts by weight: 560 to 580 parts of fluorocarbon resin, 30 to 35 parts of a first solvent, 20 to 40 parts of a second solvent, 180 to 220 parts of titanium dioxide, 90 to 110 parts of filler, 11 to 20 parts of a light stabilizer, 3 to 5 parts of a thickening agent and 13 to 28 parts of an auxiliary agent; the component B comprises the following components in parts by weight: 20-22 parts of fluorocarbon resin, 4-5 parts of a chain extender, 15-20 parts of a diamine curing agent, 15-20 parts of a polyamine curing agent and 25-35 parts of a second solvent. According to the finishing paint, on the basis of enhancing the self-cleaning capability, the weather resistance of a coating is improved, and the aging and damage of the coating are delayed, so that the service life of the coating is prolonged.

The present disclosure provides a unit dose detergent comprising a water-soluble film material comprising a first compartment that is adjacent to a second compartment and separated by at least one layer of the film. The first compartment encloses a liquid composition comprising a non-aqueous solvent, and the second compartment encloses a powder composition comprising a pigment and at least one additive selected from a salt, a flow aid, acid, enzyme, chelating agent, a polymer, and any combination thereof; such that at least one of the liquid composition and the powder composition comprises a surfactant. Also provided is a method of preparing the powder composition for use in the unit dose detergent. The method includes adding the pigment to a salt to provide a pigment-salt combination and adding a flow aid to the pigment-salt combination to form the powder composition.

The invention provides an SSZ-13 molecular sieve as well as a preparation method and application thereof, the preparation method comprises the following steps: mixing activated silica-alumina minerals, SSZ-13 seed crystals, a silicon source, a template agent and a second alkali source to obtain dry glue, and then carrying out crystallization treatment on the dry glue in the presence of water vapor to obtain the SSZ-13 molecular sieve. According to the preparation method, a solvent is not adopted, a small amount of deionized water is used for providing a steam phase, the utilization rate of the raw materials can be increased, the high solid yield is obtained, the loss of a solid phase is reduced, no alkaline wastewater is generated, and the synthesis cost of the SSZ-13 molecular sieve is remarkably reduced. When the SSZ-13 molecular sieve prepared by the method is used for CO2 / CH4 adsorption separation, the SSZ-13 molecular sieve has relatively high separation selectivity.

The invention discloses a rapid curing agent for phosphorus and fluorine in phosphogypsum and a harmless method. The rapid curing agent for phosphorus and fluorine in phosphogypsum is composed of an alkaline neutralizer, a calcium-aluminum salt catalyst and a solvent. The alkaline neutralizer realizes accurate pH regulation and control of the phosphogypsum leaching solution system; the calcium-aluminum salt catalyst synchronously captures soluble phosphorus, soluble fluorine and heavy metal ions; the solvent ensures proper humidity of the curing agent reaction. According to the innocent treatment method for the ardealite, the curing rate of soluble phosphorus in the ardealite reaches 99.2% and the leaching concentration of soluble fluorine is lower than 1.5 mg / L within 3 days through the processes of crushing and homogenizing the ardealite raw slag, stirring and curing and controllable aging. According to the technology, the technical problems of long reaction period, long on-site mixing time, low synergistic fixation efficiency of soluble phosphorus and fluorine and difficulty in capturing heavy metal ions in most phosphogypsum harmless treatment technologies are solved, the treated phosphogypsum can stably reach the standard, and the treatment cost is effectively reduced by treating the phosphogypsum with the red mud and fly ash solid waste.