480results about How to "Reduce organic content" patented technology

The present invention provides a bonding material and a method of bonding for metal bonding at a bonding interface capable of a higher bonding strength at a lower temperature without application of pressure, compared to a bonding material of metal particles having an average particle size of not greater than 100 nm. An electrically conductive bonding material including (A) silver particles, (B) silver oxide, and (C) a dispersant including organic material containing not more than 30 carbon atoms as essential components, wherein a total amount of (A) the silver powder, (B) the silver oxide powder, and (C) the dispersant including an organic material containing not more than 30 carbon atoms is in a range of 99.0% to 100% by weight, is provided. In other words, no resin binder is contained.

The invention relates to a process for biologically treating wastewater with sulfate and hydrochloric acid and recycling elemental sulfur, belonging to the technical fields of environmental protection and wastewater treatment, which is characterized in that in the process, the sludge acidic fermentation products from a wastewater treatment plant is used as carbon source sulfate reducing bacteria for treating acidic sulfate wastewater and recycling the elemental sulfur; the sulfate reducing bacteria SRB in an anaerobic biological reactor reduces sulfate SO4<2-> creature as hydrogen sulfide H2S of colorless sulfur bacteria CSB in an aerobic biofilm reactor reduces H2S or S<2->creature as the elemental sulfur and then the obtained substance is filtered and sand-scrapped by a slow sand filter; the elemental sulfur S in sand filtering material is completely dissolved by an extraction equipment; the extractant CS2, the sand filtering material and the biofilm are separated by a solid-liquid separator; the extracted solution is distilled by a distillation equipment; the distilled solution is parched by a drying device and then the elemental sulfur is recycled.In the invention the mine wastewater with the sulfate and the hydrochloric acid is treated; the elemental sulfur is recycled and the sludge from the wastewater treatment plant achieves resource utilization and harmlessness.

A method for treating a wastewater stream containing organic material or inorganic material comprising passing the wastewater stream to an anode or a cathode of a bioelectrochemical system to thereby alter the pH of the wastewater stream to: a) reduce the pH of the stream passed to the anode to minimise or suppress precipitation of dissolved cations; or b) increase the pH of the stream passed to the cathode to produce an alkaline stream; or c) reduce the pH of the stream passed to the anode to produce an acid containing stream. In one embodiment, a caustic soda solution is produced at the cathode and recovered for storage and subsequent use.

The invention relates to a preparation method of paper pulp, and further relates to a method for preparing the paper pulp through a biological enzyme method. The technical scheme is that the method comprises the following steps of: one, segment cutting; two, puffing; three, heat preservation fermentation; four, shoving; five, pulp washing; six, pulp selecting, wherein screened out coarse residues are put into the step three for fermentation again; seven, pulp grinding; and eight, screening, wherein the screened out pulp residues are put into the step seven for pulp grinding again. Compared with the prior art, the method has the advantages that the pulping and papermaking through the biological enzyme method has the characteristics of 'three highs and three lows' compared with the conventional process technology.

The present invention belongs to the field of ceramic material preparing technology, and is especially colloidal state forming process for preparing light high strength ceramic material. The process includes the following steps: preparing suspension with very low solid phase content with special organic monomer, solvent, initiator or chelating agent, and ceramic powder; in-situ solidification through gel polymerization of monomer or high molecular cross-linking to obtain ceramic biscuit; drying, removing binder and no-pressure high temperature sintering to obtain light high strength ceramic material. The present invention can control the porosity and pore size of the ultimate product through altering the solid phase content in the suspension, the sintering condition and the powder size. The present invention has simple technological process, low cost, environment friendship and other advantages, and the produced ceramic material has wide application range.

The invention relates to a process method for circularly utilizing waste water produced by butadiene preparation through butene oxidative dehydrogenation and belongs to the technical field of chemical industry. The process method is characterized in that: firstly, most of the waste water is sent to an exhaust-heat recovery boiler for use after most organic matters in the waste water discharged from a water-cooling acid rinsing tower are deprived through a waste water distillation tower, and desalted water replenishing of the exhaust-heat recovery boiler is replaced; secondly, partial waste water returns an aldehyde rinsing tower for reusing after most aldehydes in the waste water discharged from the aldehyde rinsing tower are deprived through a blowdown tower, and desalted water using quantity of the aldehyde rinsing tower is reduced; and thirdly, low temperature condensation is carried out for tail gas containing acid and aldehyde, organic matters condensate liquid in the tail gas is recycled, and loads of a waste gas processing system is lightened. Compared with the prior art, a waste water classifying treatment and cyclic utilization process of the process method effectively reduces water replenishing quantity of a technical process, greatly reduces effluent quantity of the waste water simultaneously, reduces a chemical oxygen demand (COD) concentration of discharged sewage and an organic content in discharged gas, and has advantages of being economic, environment-friendly and the like.

The invention discloses a preparation method of a magnetic antiphase demulsifier. The preparation method is characterized by firstly, preparing monodisperse ferroferric oxide magnetic microspheres by a hydrothermal method; secondly, coating a layer of thin silicon dioxide on the surfaces of the monodisperse ferroferric oxide magnetic microspheres, synthesizing magnetic microspheres with nuclear shell structures, performing group functional modification on the nuclear shell magnetic microspheres by using a silane coupling agent KH560; at last, performing grafting reaction by using the activity of functional groups and an antiphase demulsifier to obtain the magnetic antiphase demulsifier; the magnetic antiphase demulsifier prepared by the preparation method can improve the efficiency of original antiphase demulsifiers and has the characteristics of easy separation, high oil removing rate, obvious separation effect to oil-containing sewage, little use amount and high efficiency.

The invention relates to a method for processing waster water by fenton oxidation, comprising the following steps: (1) enabling alkaline waste water to be processed to enter a flocculation pond so as to be flocculated and precipitated; (2) enabling the flocculated waste water to enter an oxidation pond so as to be oxidized for fenton oxidation reaction; (3) enabling oxidized waste water to enter a precipitation pond so as to be precipitated; (4) adding alkali to supernatant discharged from precipitated waste water to adjust the pH value of the waste water till the waste waster is neutralized, and directly discharging the waste waster or processing the waste water by the next step; and (5) enabling acid precipitate obtained in the step (4) to return to a mixer in a refluxing way to be mixed with total or part of waste water to be processed. With the method for processing waster water through fenton oxidation, the consumption of acid and the alkali can be greatly reduced and content of salt in the waste water can be reduced so that the waste water processing effect is obviously improved.

The invention relates to a way to remove the pollutant in water by water treatment chemical together with the microray. It is a kind of water treating method which solved the problem of long reacting time and large dosage of oxide in treating the water pollutant. It's realized by the following steps: (1)determine the content of the pollutant; (2) the ratio of the water treatment chemical to the pollutant is 1-10:1; (3) adjust the Ph value of the water; (4) treat the polluted water with water treatment chemical as well as microray; (5) separate the solid substance from water to get purified water. Compared to the traditional method, the dosage of the oxide is 30% less in the invention, the removal rate of ammonia nitrogen is 10-60% higher in the invention than the treatment with only ferri-salt; the degradation rate of the natural organic humic acid has been increased by 20-40%; the hard-to-degrade organics (such as nitrobenzene) removal rate has been increased by 30-50%; the invention has many advantages such as low cost and reliable operation it has extensive applying prospect in water treatment domain.

The invention relates to an expanded vitrified micro-bead fireproof thermal-insulation board and a preparation method thereof, belonging to the field of construction materials. In the invention, inorganic expanded vitrified micro-beads, which are used as main raw materials, are combined with an organic binder, molded in a die and sintered, so that the expanded vitrified micro-beads are bound to form a compact single-layer board; and meanwhile, in the sintering process, the content of organic matters in the thermal-insulation board is greatly reduced to further enhance the fire resistance of the fireproof thermal-insulation board, thereby obtaining the fireproof thermal-insulation board with favorable comprehensive properties. The preparation technique of the expanded vitrified micro-bead fireproof thermal-insulation board is simple; and the expanded vitrified micro-bead fireproof thermal-insulation board has the advantages of low coefficient of thermal conductivity, high strength, excellent fire resistance, low water absorptivity, favorable thermal insulation effect, long service life and low volume weight, and can not deform or deteriorate when being used for a long time, therebybeing a green, economical and environment-friendly fireproof thermal-insulation material.

The invention discloses a productive technology of vanlillin by a glyoxylic acid method. The productive technology comprises a synthesis process, a fractionation process and a purification process, wherein the synthesis process comprises condensation treatment, oxidation treatment and decarboxylation treatment of methyl catechol and glyoxylic acid. The productive technology particularly comprisesthe following steps: respectively converting the methyl catechol and the glyoxylic acid into guaiacol sodium and sodium glyoxylate in a sodium hydroxide system; carrying out condensation treatment onthe guaiacol sodium and the sodium glyoxylate; after recovering the unreacted methyl catechol in a condensation liquid, carrying out oxidation treatment, namely carrying out catalytic oxidation on anethanol group in 4-hydroxy-3-methoxybenzene sodium glycolate by using copper oxide in the sodium hydroxide system to form a ketone group, thereby generating a corresponding ketonic acid compound; after separating red copper oxide particles from an oxidation liquid, carrying out decarboxylation treatment, namely using sulfuric acid to acidize the oxidation liquid, and simultaneously converting an acid group in the ketonic acid compound into carbon dioxide so as to generate 4-hydroxy-3- methoxybenzaldehyde; and carrying out the fractionation process and the purification process to obtain the vanlillin.

The present invention relates to a preparation method of a wet oxidation catalyst, and a wet oxidation treatment method of industrial acrylic acid wastewater, and aims to solve the problem of low wastewater COD reduction efficiency of a catalyst in the prior art. The wet oxidation catalyst adopts a rare earth doped noble metal catalyst, and comprises the following components: (1) 96 to 99.8 parts of a carrier; (2) 0.1 to 2 parts of a rare earth oxide; and ( 3) 0.1 to 2 parts of at least one noble metal selected from the platinum group, by the technology scheme, the problem is better solved, and the wet oxidation catalyst is used for treatment of industrial acrylic acid wastewater.

The invention relates to a light-weight ceramsites of riverway sludge and a production method for the same. The light-weight ceramsites of riverway sludge disclosed by the invention are obtained by using riverway sludge as a main raw material, and then performing impurity removal and homogenization, drying and ageing, granulation, roasting and screening to prepare a finished product. The light-weight ceramsites of riverway sludge prepared by 100% of urban riverway sludge have a bulk density of 300-500 kg / m<3>, wherein a part of the riverway sludge can be replaced by other kinds of clay raw materials such as lake sludge and marsh sludge. The various performance indexes of the ceramsites industrially produced from riverway sludge achieve the requirements of the national standard GB2839-81 of clay ceramsites. In the light-weight ceramsites of riverway sludge and the production method for the same disclosed by the invention, riverway sludge is used for replacing clay to realize development and utilization for waste, and to protect farmland, so that great social benefits, economic benefits and environmental benefits are obtained.

The invention relates to beta ''-Al2O3 solid electrolyte precursor aqueous tape casting slurry and a preparation method thereof, belonging to the technical field of preparation of ceramic material slurry through aqueous tape casting process. The invention is characterized in that the slurry takes water as solvent, the used powder is prepared by sol gel process and the average grain size is smaller than 150mm and the slurry comprises the following components by weight percent: 15-45 of beta''-Al2O3 precursor powder, 0.05-3 of dispersing agent, 5.0-25 of adhesive, 0.02-5 of plasticizer and 43.98-54.95 of deionized water. Through using the dispersing agent to disperse the powder in the deionized water, ball milling, adding the adhesive and the plasticizer, secondary ball milling or mixing, filtering and vacuum degassing, aqueous tape casting slurry with good dispersivity is obtained. The surface of cast film made of the slurry is flat and smooth, particles are evenly distributed and the flexibility and the workability are good. The utility model has the advantages that the preparation technology is simple and environment-friendly, the cost is low large-scale production can be easily realized and the method is suitable for preparing aqueous tape casting slurry of a plurality of kinds of ceramic powder prepared through soft chemical processes such as sol gel process, chemical co-precipitation process and the like.

The present invention is zirconia injection molding process and organic carrier for zirconia powder. Zirconia powder as the main material is added with certain amount of optimized organic carrier, injection molded into biscuit, defatted and sintered to produce high performance zirconia ceramic product. The organic carrier for the zirconia powder consists of polyethylene 10-30 wt%, polypropylene 10-30 wt%, vegetable oil 5-40 wt%, oleic acid1-5 wt%, and paraffin 5-50 wt%; and the weight ratio between the zirconia powder and the organic carrier is 100 to 10-80.

The invention discloses a high-concentration sewage treatment method. The method includes the steps: firstly, using an electrochemical oxidation method for pretreatment of sewage to obtain pretreated sewage; and secondly, adjusting the pH (potential of hydrogen) value of the pretreated sewage to range from 7.0 to 9.0, inoculating microalgae into the sewage, and subjecting the sewage to microalgaebiological treatment so as to purify the sewage, wherein the microalgae biological treatment operating conditions include: the temperature ranges from 25 DEG C to 30 DEG C, the light dark period is 12:12, the illumination intensity ranges from 40001ux to 60001ux, and the steps include aerating or mechanically stirring and continuously culturing for ten to twenty days. By the high-concentration sewage treatment method, sewage treatment cost is reduced, pollutant removal efficiency is improved. Further, the high-concentration sewage treatment method is wide in sewage treatment range, free of secondary pollution and flexible and controllable in operation mode, and environment-enhancing energy is realized.

The invention discloses a preparation method of N, N'-bis(2, 2, 6, 6-tetramethyl-4-piperidyl)-1, 3-benzenedicarboxamide which is represented by formula (I). The preparation method comprises following steps: (1) 2, 2, 6, 6-tetramethyl-4-aminopiperidine and m-phthalyl dichloride are taken as raw materials, and are reacted in an anhydrous organic solvent at a temperature of -5 to 25 DEG C until complete precipitation is realized, reaction liquid is filtered, and the filter cake is washed with the anhydrous organic solvent and dried so as to obtain an intermediate (II), wherein the anhydrous organic solvent is one selected from n-heptane, n-octane, petroleum ether, acetone or butanone; (2) at room temperature, the intermediate (II) is mixed uniformly with water, sodium hydroxide solution is added for neutralization, the mixture is filtered and washed with water so as to obtain a filter cake, and the filter cake is dried so as to obtain N, N'-bis(2, 2, 6, 6-tetramethyl-4-piperidyl)-1, 3-benzenedicarboxamide represented by formula (I). The preparation method possesses advantages of high product quality, simple operation technology, convenient operation process and high raw material utilization rate.

The invention provides a method for detecting a biochemical oxygen demand. The method comprises the following steps of performing microculture on a microbe containing water sample from active sludge, surface water, domestic sewage or microbe containing industrial waste water, thus obtaining a microbial film; enabling a blank water sample and a target water sample to pass through the microbial film respectively, detecting and obtaining dissolved oxygen reduction current of the blank water sample and the target water sample, thus obtaining a dissolved oxygen reduction current difference value between the target water sample and the blank water sample; and obtaining the biochemical oxygen demand of the target water sample according to the dissolved oxygen reduction current difference value and a preset standard curve. According to the method, since the microbial film obtained by culturing the microbe containing water sample from active sludge, surface water, domestic sewage or microbe containing industrial waste water has high environment adaptation capacity, a buffer solution system is not required and the physiological activity can be maintained by taking one or more then one of running water, well water, dropping water and underground water as a medium.

The invention discloses a treatment process of wastewater containing organic matters. The treatment process comprises the following steps of: pretreating wastewater containing organic matters to remove suspended matters in the wastewater containing the organic matters; then pressurizing the pretreated wastewater containing the organic matters, and then carrying out pressured combustion and evaporation treatment to obtain a primary gas mixture containing organic matter stream; carrying out pressurized oxidation and conversion treatment on the primary gas mixture to obtain a secondary gas mixture; and introducing the secondary gas mixture to a tempering unit to carry out tempering and cooling treatment. According to the treatment process, very few, even almost no organic matters exist in the treated secondary gas mixture, and therefore the purpose of treating the wastewater containing organic matters with near zero pollution or zero pollution is achieved. The treated gas mixture contains a great deal of high-grade heat, and therefore the heat can be furthest recycled. The treatment process disclosed by the invention has the advantages of strong stability, good wastewater treatment effect, low treatment cost and high energy utilization rate.

Process of reducing organic content of brine which includes subjecting a brine solution containing an organic content to an electrochemical process for a sufficient period of time and at a sufficient voltage to reduce the organic content of the brine to obtain a reduced organic content brine. Also provided is a process for reducing organic contamination of brine in a chemical process comprising subjecting a brine stream of the chemical process to electrochemical oxidation to obtain a reduced organic content brine stream.

The invention discloses a moderate saline-alkali soil improvement conditioner as well as a preparation method and application thereof. The soil improvement conditioner comprises the following components in parts by weight: 55-60 parts of calcium salt, 18-23 parts of biomass coke, 10-15 parts of a biomass aqueous solution and 10-12 parts of an organic fertilizer. The soil improvement conditioner disclosed by the invention can quickly and effectively solves the problems of high soil alkalization degree, low fertility, larger soil pH value, clumpy soil and the like and is low in cost and low in heavy metal content.

The invention discloses a zero emission process for treating kitchen wastes. The zero emission process comprises the following steps: (1) performing solid and liquid separation on the kitchen wastes by using a rotating fine screen, and feeding organic matters obtained after solid and liquid separation into a hermetia illucens breeding system; (2) feeding a liquid phase obtained after solid and liquid separation into an oil and water separating device to perform oil and water separation, and reutilizing the separated crude oil as a raw material; (3) feeding a liquid phase separated by the oil and water separating device into an anaerobic digestion system to perform anaerobic treatment, and transforming organic matters in the liquid phase into marsh gas by using the anaerobic digestion system and then reutilizing the marsh gas; (4) feeding water discharged from the anaerobic digestion system into a sewage treatment system to perform biochemical treatment, removing organic matters and performing biological removal of nitrogen; (5) feeding the water discharged from the sewage treatment system into an ultra-filtration system for further treatment; (6) sequentially feeding the water discharged from the ultra-filtration system into a nano-filtration system and a reverse osmosis system to perform advanced treatment, removing refractory organic matters and then discharging. The zero emission process for treating kitchen wastes, disclosed by the invention, is capable of realizing reclamation of kitchen waste treatment.

The invention discloses a high-salinity wastewater advanced oxidation method, an industrial waste salt resourceful treatment method, and equipment, and belongs to the field of environmental protection. The high-salinity wastewater advanced oxidation methodcomprises the step of degrading organic matters inhigh-salinity wastewater in a manner of simultaneously carrying out advanced oxidation by combining ultraviolet irradiation, hydrogen peroxide and a persulfate. According to determination thatprimary kinetic constant k is in different intervals and the removal rate of TOC is in different stages at 25 DEG C and normal pressure, different advanced oxidation conditions are respectively set, so that the reaction efficiency is improved to the maximum extent on the basis of ensuring that the energy consumption is reduced. Furthermore, the high-salinity wastewater advanced oxidation method is used as a treatment method for recycling industrial waste salt. After treatment by an advanced oxidation unit disclosed in the invention, the treated waste salt is used for an ionic membrane caustic soda production process, so that economic benefits are created for enterprises, and resource utilization of the waste salt is realized.

This invention discloses a low-temperature plasma air purification catalytic reactor, in addition to a preparing method, which can be used for removing the secondary pollution of O3 and cleaning air with volatile organics. The reactor comprises a corona discharge power and several pipe-type or plate-pipe type corona discharge devices connected in parallel, wherein inside the anode of the corona discharge devices has a catalyst web whose shape and size is corresponding to the anode, and the web comprises stainless steel cloth and catalyst layer covering the cloth; the catalyst layer comprises the carrier material and active component, wherein the carrier material comprises gamma-Al2O3,CeO2,La2O3 and ZrO2, while the active component comprises one or two elements of Pd, Rh, Pt.

The invention relates to a powdered activated carbon reflux / ultrafiltration combined technology for a water treatment plant. The technology is characterized in that powdered activated carbon are fed into an ultrafiltration membrane tank, and the powdered activated carbon which are kept in the ultrafiltration membrane tank for a proper time are refluxed to a pre-treatment coagulation period at a proper reflux ratio through utilizing a reflux pump, wherein the addition amount of the powdered activated carbon is 5-20mg / L, the reflux ratio is 1%-5% of a system flow, and the retention time of the powdered activated carbon is 2-24 hours. The organic pollutant content of raw water is reduced through fully utilizing the adsorptive capability of the powdered activated carbon in a mixed liquid of the technology, powdered activated carbon particles serve as flocculation cores so as to enhance coagulation, and a treatment effect of a coagulation period is improved; and moreover, the operation stability of a system is improved, and the water production rate is increased. The technology can be widely applied to an ultrafiltration combined technology for the water treatment plant.

The invention discloses a method for processing hyper-saline organic wastewater. The method comprises the steps of gas stripping, resin absorption and active carbon absorption. The step of gas stripping comprises the steps of feeding wastewater into a polycarbonate producing process into a gas stripping tower, feeding a heating medium into the gas stripping tower to heat the wastewater, vaporizing a dichloromethane in the wastewater to condense and enter a solvent recycling system; the resin absorption step adopts macroporous resin; the active carbon absorption step adopts particle active carbon with a granularity of 10-24 meshes; before the resin absorption step, inorganic acid is added for adjusting pH value of the organic wastewater at 1-6; before the active carbon absorption step, alkaline liquid is added for adjusting pH value of the hyper-saline organic wastewater at 5-9. The method has the characteristics that operation is convenient and reliable and investment cost is low.

The invention belongs to the technical field of preparation of hindered amine light stabilizer midbody and pharmaceutical midbody triacetonamine, and particularly relates to a method and a special device for heterogeneous catalyzed synthesis of triacetonamine. The technical scheme is that a cone base reaction kettle consisting of a straight cylinder section and a cone cylinder section is applied, and a water knockout drum formed by a tubular type membrane tube is arranged in the cone base reaction kettle; heterogeneous catalyst and acetone are added in the reaction kettle; after stirring and heating, ammonia gas is filled for reaction; the procedures of separating water by the water knockout drum, cooling, stopping mixing, separating water and standing are carried out, and reaction fluid is discharged and filtered to obtain a crude product of triacetonamine; finally, the crude product is rectified to obtain the high-purity triacetonamine product. In the invention, the heterogeneous catalyst is applied to replace the homogeneous catalyst, thus the separating difficulty of the catalyst is reduced, the high saline-alkali waste water generated from separation process of homogeneous catalyst is avoided; the reaction water is separated from the reaction process, the yield of triacetonamine is improved, and the water separating cost of the rectifying technique is reduced. The content of organic matters in separated water of the water knockout drum is low, and water disposal cost is reduced.

The invention discloses an ecological breeding method of breeding penaeus vannamei boone, crucian and chub in a mixed mode. The method includes the steps of preparing a pond, cleaning the pond, inputting water, disinfecting the pond water and richening the water sequentially before throwing in fingerlings and shrimp larvae, throwing in white gold crucian and chub, and then throwing in penaeus vannamei boone larvae. Compared with the prior art, the method has the advantages that the thrown-in white gold crucian does not rob food from the penaeus vannamei boone, the organic content at the bottom of the pond can be greatly decreased, and a substrate is effectively improved; the chub bred in the mixed mode has a good effect on adjusting the balance of algae in a water body, and the water quality can be effectively improved; the substrate and the water quality of the pond can be comprehensively improved by throwing in the fingerlings first, the harm caused by organic matter in bottom mud to the penaeus vannamei boone larvae are further reduced, and the stocking success rate of the penaeus vannamei boone larvae is ensured; the perfect combination of the penaeus vannamei boone, the crucian and the chub has great significance on penaeus vannamei boone breeding environment adjustment, disease prevention and income increase.

The invention discloses antibacterial water-based ink and a preparation method thereof. The antibacterial water-based ink comprises components in parts by weight as follows: 20-60 parts of an acrylic resin liquid, 10-30 parts of organic pigments, 10-20 parts of deionized water, 15-20 parts of ethyl alcohol, 0-10 parts of an antibacterial agent and 0-2 parts of filler and an auxiliary, wherein the antibacterial agent is one or more of nano-copper oxide, nano-cuprous oxide, nano-copper, nano-silver or nano-gold containing functional surface groups. The antibacterial agent is modified and is enabled to contain the functional surface groups, so that hydrophilicity of the antibacterial water-based ink is improved, and the stability of the antibacterial water-based ink is improved; besides, the antibacterial agent contains the functional surface groups, and accordingly, the antibacterial water-based ink has excellent oxidation resistance and antibacterial performance, and the content of heavy metal is low.

Nail varnish composition in the form of an emulsion containing one or more water-soluble or water-dispersible polymers obtained from acrylamido-2-methylpropanesulphonic acid (or AMPS) or from one of its salts and from water-soluble monomers having ethylenic unsaturation(s) as gelling agent. Makeup method employing the composition. Dried films of the nail varnish.