44results about How to "Less chemical raw materials" patented technology

The present invention discloses one kind of green powdered paint and its preparation process. The green powdered paint consists of re-dispersible polymer latex powder 5-20 wt%, white cement 20-40 wt%, calcium carbonate 20-45 wt%, titanium white powder 5-25 wt%, diatomite 2-8 wt%, bentonite 1-2 wt%, cellulose ether 0.2-0.5 wt%, defoaming agent 0.2-0.5 wt% and coloring pigment 0-4 wt%. It is prepared through mixing all the components in a stirrer, and packing. It is used after mixing with water in construction site. It has the combined decoration functions of both putty and emulsion paint and may be used widely for decorating inner and outer wall.

The invention discloses an inorganic multifunctional paint taking potassium silicate as the film-forming substance, and a preparation method thereof. The paint is composed of nano TiO2, tourmaline powder, meerschaum, laubanite, China hemp fiber powder, diatomite, titanium dioxide, talcum powder, calcium ash powder, calcium carbonate, kaolin, cellulose ether, and potassium silicate. The inorganic multifunctional paint taking potassium silicate as the film-forming substance does not contain any chemical auxiliary agent, which exists in the conventional emulsion paint; moreover, takes inorganic potassium silicate as the film-forming substance, thus does not contain any organic compound, saves the chemical raw materials used in the conventional emulsion paint, avoids to generate the volatile organic compounds (VOC), which pollutes the environment, at the same time; integrates the functions of low carbon, saving energy, decomposing formaldehyde, purifying the air, releasing the negative ions, modulating the air humidity, preventing fire, insulating the sound, killing the bacteria, and the like; and can be widely applied to the decoration of outer walls of buildings.

The invention relates to the magistral formula of a kind of solid fuel as well as its producing technolotgy. The ingredients of the product include flammable animal, vegetable and mineral offal and liquids, hasten-solidifying agent and magnesium. The invention has several beneficial effects such as using scientifically various kinds of cohesive agent, stopping agent, hasten-solidifying agent and additive for combustion contained in the offal; saving chemical materials; reducing the cost; expanding the material source. During practical use, producers can regulate the material for different kinds of offal to get the effects of cohering, solidifying and assisting burning.

The invention discloses a new technology used to make glyphosate. It includes the following steps: weighting up each constituent according to the following mol ratio that methanol 3-10.5, tri-ethylamine 0.8-0.9, paraformaldehyde 1.95-2.05, glycine 1, dimethylphosphite 1.02-1.1, hydrochloric acid 2.9-3.34; de-polymerization that keeping the methanol, tri-ethylamine, and paraformaldehyde at 30-40 degree centigrade for 10-60min; adding glycine and keeping at 20-44 degree centigrade for 10-90min; condensation that adding dimethylphoshpite and keeping at 50-55 degree centigrade for 60-90min; acid hydrolysis that adding the composed liquid into hydrochloric acid and heating up to final 105-125 degree centigrade; crystallizing that producing glyphosate hydrochloride, then decompression, distillation, removing solvent methanol and excess hydrochloric acid. The produced glyphosate has the advantages of high yield, good quality, and low energy consumption.

The invention relates to wastewater treatment, in particular to an application of modified fly ash zeolites in the treatment of paper making wastewater. Firstly, fly ash zeolites which are synthesized in low cost undergo the modified treatment by modifying agent; secondly, the modified fly ash zeolites are put in a reactor to fully contact the paper making wastewater; thirdly the paper making wastewater is treated; the removal rates of COD and chrominance are used to check the treatment effect of the fly ash zeolites on the paper making wastewater. The application has the advantages that the modifying agent is low in price and easily bought, and the modification process and the treatment process of the paper making wastewater are simple, and simultaneously the environmental pollution caused by fly ash solid wastes is solved, and the application range of the fly ash zeolites is widened, so that the application has the active use value.

The invention relates to a method for preparing a 13X type molecular sieve through coal ash. The method consists of four steps including roasting, preparing, crystallizing and ageing. The method is characterized in that the grain diameter of the coal ash is 0.45mm or below; the crystallization temperature of the crystallizing process ranges from 80 DEG C to 100 DEG C, the crystallizing time is 6 hours to 10 hours, the concentration of NaO ranges from 1.4mol / L to 1.5mol / L, the stirring speed ranges from 120r / min to 150r / min, and the aging time is not less than 24 hours. According to the method, the coal ash serves as main raw material to prepare the 13X type molecular sieve, the coal ash and the value of the coal ash are utilized to the greatest extent; in the preparation process, no coal ash residue remains, chemical materials can be saved, and the prepared 13X type molecular sieve has the advantages of wide raw material source and low cost.

The invention discloses novel sludge coal-water slurry and a preparation method thereof. The method comprises the following steps: (1) mixing civil sludge and a sludge modifier to obtain a mixture, and adding water into the mixture to obtain mixed liquor, wherein the mass of the mixed liquor is twice that of the mixture; (2) inputting the mixed liquor into a fluid shock wave treatment device, and performing high-pressure treatment to obtain modified sludge; (3) crushing raw material coal into coal dust with particle sizes of smaller than 3mm, delivering the coal dust and the modified sludge to a grinding machine, adding a dispersing agent, and grinding to obtain the sludge coal-water slurry. According to the novel sludge coal-water slurry and the preparation method thereof, alkaline papermaking black liquid is used for modifying the sludge, and in other words, waste is treated by waste, and alkaline substances in the black liquid are fully utilized, so that a chemical raw material serving as a modifying agent is saved; in addition, lignin in the black liquid can be used as a water-coal slurry additive, and can partially or completely replace the water-coal slurry additive, so that the cost of a pulping additive is lowered.

The invention relates to a method for adjusting and treating municipal residual sludge by using salinferous brine or seawater, belonging to the technical field of environment engineering. The essential of the method is that a certain amount of salinferous brine or high-salinity seawater is added into the sludge with the moisture content of 99 percent; the volume ratio of the sludge and the high-salinity brine or seawater as a conditioner is 1:1-1:2; the moisture content of the sludge is reduced in free water and in the form changing process of the sludge floc, thereby the pretreatment requirement before the sludge is treated is met, and the requirement that the moisture content of the municipal sludge after pretreatment is 80 percent is satisfied; and then the pretreated sludge can be treated in other approaches such as landfill, burning or agricultural use and the like. The invention has simple process as well as convenient and feasible operation.

The invention provides a high-strength environmentally-friendly rubber plate prepared by directly utilizing waste rubber powder and a method for preparing the rubber plate. Components selected by theinvention and the proportion of the components ensure that the rubber plate has good mechanical properties. The tensile strength of the rubber plate is between 3.49 and 5.3, the elongation at break isbetween 94 and 150 percent, and the strength is 66 DEG. The method has the mainly characteristics of using the waste rubber powder to directly produce the rubber plate, and saving working proceduressuch as desulfurization and refining during the production of regenerated rubber. The method saves a large amount of special equipment, factory buildings, power and manpower, and can also save chemical raw materials such as a softening agent, a tackifier and the like; and in addition, no pollution of waste water, waste gas and flying dust generates in the technological process.

The invention provides a compound process for preparing ammonium, methanol and carbon monoxide. The current processes for preparing ammonium, methanol and carbon monoxide are independent, which means large investment and waste of chemical raw material. The invention provides a compound process for preparing said three products, which is characterized by smaller investment and saved raw material.

The invention discloses a method for preparing billet yarns into color yarns, aiming at providing a color yarn preparing method which can obviously reduce consumption of heat and water in the color yarn manufacturing process and reduce pollution to the environment in the production process. The method comprises the following sequential formulas and processes of: a degreasing and bleaching formulaand process, a washing process, a neutralizing formula and process, a washing process, a dyeing formula and process, a cooling and washing process, a neutralizing formula and process, a soaping formula and process, a color fixing formula and process, a dehydrating process and a drying process. The main point of the technical scheme of the method is that the ultrasonic effect is added in the yarn degreasing, bleaching and dip-dyeing process according to the characteristic that ultrasonic waves with high strength and high power can generate a lot of ultramicro bubbles and instant high temperature and high pressure in a solution. Compared with the traditional method, by means of the method for preparing billet yarns into color yarns, heat, water and organic dye for producing color yarns withsame quantity can be obviously reduced; and most importantly the pollution to the environment in the production process is greatly reduced.

The invention relates to a method for producing water-insoluble organic acid by bipolar membrane electrodialysis. The method comprises the steps that a sodium sulfate aqueous solution is pumped into a bipolar membrane electrodialysis device to produce sulfuric acid and sodium hydroxide, the produced sulfuric acid is used for acidifying water-insoluble organic acid sodium salt to produce the water-insoluble organic acid and sodium sulfate, the produced water-insoluble organic acid solid is filtered and collected to obtain the required product, and the sodium sulfate aqueous solution used as a filtrate is used as a feed liquid to form a closed production loop. By the adoption of the method for producing the water-insoluble organic acid by the bipolar membrane electrodialysis, the full-closed and cycled clean production of the water-insoluble organic acid such as phenylglycine can be realized, so that chemical materials can be saved and a large number of high salinity wastewater can be avoided, the environmental pollution is reduced, and industrial application values and environmental benefits are obvious.

The invention discloses an electroplating device for galvanization of alkaline solution. The device comprises an electroplating tank (1), a filtering machine (3) and a dissolving tank (5), wherein the electroplating tank (1) is communicated with the filtering machine (3) by virtue of a pipeline A (2); the filtering machine (3) is communicated with the dissolving tank (5) by virtue of a pipeline B (4); the electroplating tank (1) comprises an electroplating tank body (9) and an anode (10); a filter plate (8) is arranged inside the filtering machine (3). The device is characterized in that a joint of the pipeline A (2) is positioned above the filter plate (8); a joint of the pipeline B (4) is positioned below the filter plate (8); the dissolving tank (5) consists of a dissolving tank body (7) and a frame body (6); the frame body (6) is arranged inside the dissolving tank body (7); an electronic monitoring system is connected with the electroplating tank (1), the filtering machine (3) and the dissolving tank (5). The device has a simple structure, and is stable in performance, and efficient and practical; the raw materials are reduced.

The present invention discloses high strength environment friendly rubber plate and its making process. The material for the rubber plate includes waste rubber powder 80-120 weight portions, vulcanizing accelerator 0.5-0.8 weight portion, vulcanizing activator 0.5-0.8 weight portion, and sulfur 1.5-1.7 weight portions. The making process of the rubber plate includes the following steps: weighing the material components; drying the waste rubber powder; mixing all the material and molding; and vulcanizing at temperature of 120 -160 deg.c and pressure of 3.4-4.5 kgf / sq cm for 10-20 min. The rubber plate has excellent mechanical performance and may be used in making different rubber products. The present invention has the advantages of simple making process, saving in chemical material and no environmental pollution.

The invention discloses a method for preparing mesoporous silica gel. The method comprises the following steps: (1) adding a cellulose raw material into an inorganic acid solution with the mass concentration of 15% to 75%, and carrying out uniform stirring and mixing; (2) uniformly mixing a sodium silicate solution with the silicon dioxide mass concentration of 10% to 30% with the material obtained in the step (1) so as to enable the pH of the material to reach 1 to 10; (3) carrying out aging gelatination on the material obtained in the step (2); and (4) washing the material obtained in the step (3) until the material is neutral, then, carrying out filtrating and baking, and carrying out activation roasting in an air atmosphere, thereby obtaining the mesoporous silica gel. According to the method disclosed by the invention, cellulose is introduced during the preparation of the silica gel as a pore forming raw material, is environmentally friendly and belongs to renewable resources, and the raw materials are rich and cheap, so that the raw-material cost is reduced greatly compared with that of synthesis methods employing petrochemicals as template agents.

Provided is a method for manufacturing recycled paper by adding loofah sponge fiber. The method comprises the steps that loofah sponge undergoes dry-smashing treatment; degumming treatment is performed; paper products are recovered, and coarse cutting, shake-screening, centrifugal classification and fine cutting treatment is performed; classified recovered paper chippings are soaked, stirred, filtered and stirred to produce pulp; degummed loofah sponge fiber chippings and the recovered paper pulp material are mixed and stirred according to the ratio of 1:9 to 1:1; a dye, a dye-fixing agent and starch are added or visible loofah sponge fiber chippings are supplemented for mixing and stirring treatment; pulp taking for papermaking, press mold water absorption, hot-air constant-temperature drying, paper taking through scrapers and press-polishing and paper rolling are performed to obtain a dyed loofah sponge recycled paper finished product. The fiber content of the recycled paper is supplemented by adding the loofah sponge fiber, and the adsorption and coloring properties of the recycled paper can be improved while the paper is flexible. In addition, in the mode of classified pulping of the recycled paper, the high-quality recycled paper output rate can be greatly improved, added economic benefits can be brought to enterprises by combining with natural texture of the loofah sponge, and meanwhile the method has the special significance on environmental protection.

The invention provides a method for producing high water absorption graft starch by sweet potato. The method uses the sweet potato as a raw material, deionized water as a dispersing agent, acrylic acid as a graft monomer and NSN novel initiating agent as an initiating agent, and comprises the following steps: heating and stirring the sweet potato pure white starch and the deionized water in a reaction kettle for gelatinizing in production; adding the acrylic acid solution into the mixture and mixing evenly; adding the NSN novel initiating agent after standing to lead graft copolymerization of the starch; placing the copolymerized material into a drier for drying and crushing the dried material into fine powder; and screening the fine powder into products in six grades, packing and warehousing the products. The raw material is the sweet potato, and the dispersing agent is the deionized water instead of alcohol, so that the method can reduce probability of fire disaster occurrence in production, improve safety, and reduce production cost; and the novel initiating agent is adopted, so the method can shorten the time of the graft copolymerization, makes the copolymerization reaction more mild, and is convenient to regulate temperature and water absorption multiplying power of the graft starch.

The invention discloses a battery shell discharge disc barrel plating device. The device comprises a frame body and hangers; a degreasing tank, a water washing tank, an acid washing tank, a water washing tank, an electroplating tank, a bleaching tank, a neutralizing tank, a rust preventing tank, a drying tank and a cooling tank are formed in the middle part of the frame body in sequence; an ultrasonic processing device is arranged in the degreasing tank; external circulating filter devices are respectively arranged out of the degreasing tank and the electroplating tank; a roller is arranged on the frame body, adopts a mechanics symmetry structure, and is fixed with multiple net baskets; and the net basket s are connected with the hangers for placing battery shells. A battery shell discharge disc barrel plating process comprises the flows of: feeding-degreasing 1-degreasing 2-degreasing 3-water washing-acid washing-water washing-electroplating 1-electroplating 2-electroplating 3-bleaching-neutralizing-rust preventing-drying 1-drying 2-drying 3-cooling-discharge. The device improves the product quality when reducing the cost, reduces the sorting efficiency and the arrangement and container loading labors, and greatly improves the productivity.

The invention relates to a method for recovering chromium from leather tanning waste residues and belongs to the technical field of heavy metal treatment. The method comprises the steps: carrying out fixed fermentation on white vinegar, lemon and tartar, and acidizing the tartar to obtain a mixed organic acid; next, accelerating to degrade the leather tanning waste residues by using sludge and a biogas liquid to expose a collagen and cadmium complex; then, destroying a coordination bond between cadmium and the carboxyl of collagen by using the mixed organic acid to form a novel soluble chromium chelate; and injecting filtrate in which the chelated chromium is dissolved into a sedimentation tank, replacing chromium with zinc, and enabling the chromium to be deposited on a zinc plate to achieve the aim of recovering chromium. The method for recovering chromium from leather tanning waste residues is high in chromium removal rate, simple and easily-controlled in removal step, low in cost, capable of recovering chromium from the leather tanning waste residues and wide in application prospect.

The invention relates to a cable perforation device for preliminary fracture forming of shale bed rock. A sleeve is provided with an independent inner cavity and an independent outer cavity from interior to exterior in the radial direction of the sleeve, wherein the inner cavity and the outer cavity are communicated in the axial direction of the sleeve. A liquid charging and discharging valve comprises a valve body and a chemical thermal reaction device. The valve body is provided with an electrode introducing structure and a liquid charging structure for charging liquid into the inner cavity and the outer cavity. The chemical thermal reaction device is connected with the valve body and located in the outer cavity. An energy releasing device comprises an energy releasing body which is provided with a through hole and an energy releasing hole, the through hole is communicated with the inner cavity, an included angle of 30-120 degrees is formed between the energy releasing hole and the axis of the energy releasing device, and the energy releasing hole is communicated with the through hole. An external electrode is used for connecting electricity to the cable perforation device, and an inner electrode is used for introducing external electricity into the chemical thermal reaction device. The cable perforation device is safe and reliable, industrial waste gas CO2 is used for replacing explosives, chemical materials are saved, and the environmental-friendly value is achieved. Corresponding burst pressure can be correspondingly controlled according to different terrain.

The invention provides a preparation method of 4, 4-bi(4-aminophenoxy) biphenyl, aiming at solving the problems that the existing method for preparing 4, 4-bi(4-aminophenoxy) biphenyl costs a long time and is complex in process. The method specifically comprises the following steps of: adding 4, 4-bi(4-nitrophenoxy) biphenyl and a palladium / carbon catalyst to an alcohols solvent; transferring into a reaction kettle; filling nitrogen to replace air; filling hydrogen; reacting for 3 to 4 hours at 60 to 70 DEG C; replacing with N2 gas; filtering again; collecting a liquid phase substance; cooling until reaching room temperature; filtering again to obtain a solid phase; and drying in a vacuum manner at room temperature, thus obtaining the 4, 4-bi(4-aminophenoxy) biphenyl. The method costs a little time for reaction, is obvious in energy conservationsaving and consumption reductionreducing, and simple in operation; a small amount of chemical raw materials related are used; the product yield is high and reaches 85%; and the purity reaches more than 99%.

The invention relates to a cotton fabric hydrogen peroxide room-temperature intermittent bleaching method comprising the steps that: the cotton fabric is delivered into a tank with a prepared working liquid, and is processed by using the working liquid for 120-150min under the temperature of 30-40 DEG C, wherein a bath ratio is 1:2.5-4; the cotton fabric is washed by using water for 60-80min under a temperature of 95-100 DEG C; washing liquid in the tank is discharged, and the cotton fabric is washed by using water for 60-80min again under the temperature of 95-100 DEG C; washing liquid in the tank is discharged, and the cotton fabric is washed by using water for 30-50min under room temperature; and the cotton fabric is fetched and bake-dried. The working liquid comprises, by weight, 10-13% of hydrogen peroxide with a concentration of 27.5%, 1.6-2% of caustic soda, 1.6-1.8% of a low-temperature rapid bleaching agent, and balance of water. The novel process provides the effects of low alkali, energy saving, and emission reduction.

The invention relates to a method for conditioning municipal rest sludge with industrial epoxy resin wastewater, which belongs to the technical field of environment engineering. The essentials of the method are as follows: a certain amount of industrial epoxy resin wastewater is added into sludge with 99 percent of water content; the volume ratio of the sludge to the high-salinity industrial epoxy resin wastewater which serves as the conditioner is 1:1 to 1:2, so that the water content of the sludge is reduced when the sludge is changed from a free water form to a sludge floc form so as to meet the pre-treatment requirement before sludge treatment, i.e. meet and satisfy the requirement on the 80 percent of pre-treatment water content of municipal sludge, and then carry out landfill, burning or other agricultural treatment. The method for conditioning municipal rest sludge with industrial epoxy resin wastewater has the advantages of simple process and convenient and feasible operation.

The invention discloses a rex rabbit fur cleaning production tanning process, and relates to rex rabbit fur cleaning production tanning processes. The process sequentially comprises the following steps of (1) carrying out soaking, (2) removing meat, (3) carrying out degreasing, (4) carrying out pickling and softening, (5) carrying out re-pickling, (6) carrying out tanning, (7) carrying out fur discharging and water controlling, and then carrying out neutralization and fat adding as well as subsequent drying finishing operation. In the degreasing step, a degreasing solution is used as a solution for soaking treatment; and treatment solutions of the soaking and softening step, the re-pickling step and the tanning step can be repeatedly reused. Compared with traditional fur chrome tanning andaldehyde tanning technologies, a formaldehyde-free chrome-free tanning technology is adopted, the method that the treatment solutions are repeatedly used is adopted, therefore, the fur tanning process can save chemical raw materials by 60% or more, and the water consumption can be reduced; the emission of harmful substances can be reduced, and no formaldehyde and chromium elements are contained in the sewage; and moreover, a fur white board of a fur treated by adopting the process is white, and better conditions are provided for dyeing.

The invention relates to a cable perforation device for preliminary fracture forming of shale bed rock. A sleeve is provided with an independent inner cavity and an independent outer cavity from interior to exterior in the radial direction of the sleeve, wherein the inner cavity and the outer cavity are communicated in the axial direction of the sleeve. A liquid charging and discharging valve comprises a valve body and a chemical thermal reaction device. The valve body is provided with an electrode introducing structure and a liquid charging structure for charging liquid into the inner cavity and the outer cavity. The chemical thermal reaction device is connected with the valve body and located in the outer cavity. An energy releasing device comprises an energy releasing body which is provided with a through hole and an energy releasing hole, the through hole is communicated with the inner cavity, an included angle of 30-120 degrees is formed between the energy releasing hole and the axis of the energy releasing device, and the energy releasing hole is communicated with the through hole. An external electrode is used for connecting electricity to the cable perforation device, and an inner electrode is used for introducing external electricity into the chemical thermal reaction device. The cable perforation device is safe and reliable, industrial waste gas CO2 is used for replacing explosives, chemical materials are saved, and the environmental-friendly value is achieved. Corresponding burst pressure can be correspondingly controlled according to different terrain.

The invention discloses an intelligent simulated instrument, which comprises a power module circuit, an I / V conversion circuit, a V / I conversion circuit, a serial port circuit, a microprocessor module circuit, a liquid crystal display module circuit and an external interface circuit, wherein the I / V conversion circuit is in signal connection with an input / output (I / O) port of the microprocessor module circuit; the V / I conversion circuit is in signal connection with the I / O port of the microprocessor module circuit; the liquid crystal display module circuit is in signal connection with the I / O port of the microprocessor module circuit; the serial port circuit is connected with a serial port of the microprocessor module circuit; the I / V conversion circuit is connected with the external interface circuit; the V / I conversion circuit is connected with the external interface circuit; and the power module circuit supplies power to the microprocessor module circuit, the I / V conversion circuit, the V / I conversion circuit, the liquid crystal display module circuit and the external interface circuit. Energy sources and raw materials are saved, and the intelligent simulated instrument is vivid in simulation, practical, safe and reliable.