123results about How to "No environmental problems" patented technology

The invention relates to a phosphorus-free corrosion and scale inhibitor, which is prepared from sodium molybdate, zinc salt, citrate, triethanolamine, benzotriazole (BTA), polyaspartic acid (PASP), polyepoxysuccinic acid (PESA), AA / AMPS terpolymer, solid alkali and water. The phosphorus-free corrosion and scale inhibitor inhibits corrosion of metals by forming oxidization type and precipitation type films on the surfaces of the metals, has the effect of inhibiting scale through chelation and dispersive action on salts causing scale in cooling water, is non-toxic and phosphorus-free, has easily biodegradable major organic compositions, does not cause environmental pollution and is not limited by phosphorus in emission.

The invention discloses a high-efficiency environment-friendly foam extinguishing agent and a preparation method thereof. The high-efficiency environment-friendly foam extinguishing agent is composed of, by weight percentage, 10%-50% of a composite surface active agent, 10%-30% of an organic solvent, 1%-5% of a stabilizer, 0.2%-4% of a burning resisting agent, 0.5%-3% of a chelating agent, 0.1%-1% of a corrosion remover and the balance water. The preparation method includes the steps that surface active agents are sequentially added to water to form the composite surface active agent A while being stirred, the organic solvent and the stabilizer are mixed evenly to form a component B, then the A is added to the continuously-stirred B, stirring is continued, then the burning resisting agent, the chelating agent and the corrosion remover are sequentially added to the A and B mixed system, and finally the water is added as the balance, so that the high-efficiency environment-friendly foam extinguishing agent is obtained. The high-efficiency environment-friendly foam extinguishing agent is free of a fluorine surface active agent, thereby being high in bioremediation performance. Foam prepared through the method is good in stability and high in fire extinguishing efficiency, and is a high-efficiency environment-friendly product. According to the preparation method, heating and filtering are not needed, the three wastes are avoided, environment protection and energy conservation are achieved, and the production efficiency is high.

The invention discloses a method for producing maleic anhydride through a benzene process. The method comprises the steps of: enabling a maleic anhydride gas and air mixture obtained by oxidizing benzene and air with an oxidizer to pass a solvent absorption tower and be absorbed by a solvent, separating the maleic anhydride from the solvent containing the maleic anhydride through a desorber, enabling the separated coarse maleic anhydride to enter a refining tower and be refined to prepare the maleic anhydride finished product, and regenerating the separated solvent for recycling. According to the method, a non-water recovery technology is adopted, lots of energy consumption for evaporation and dehydration is reduced, the generation of impurities such as fumaric acid is avoided, the recovery rate of the maleic anhydride is increased, the equipment investment is reduced, and the cost is saved.

The invention relates to a disinfecting agent, more specifically, to a Gemini-tamed iodine composite bactericide, wherein the agent is recombined from Gemini and I2, the effective iodine content is 6-10 wt%, the constitutional formula is disclosed in the specification. The Gemini-tamed iodine bactericidal agent is an organic-inorganic compound system with greatly improved stability and lowered excitation.

The invention discloses a neutral chemical cleaning agent for eliminating hard scales of an air pre-heater of a desulfurization system and a preparation method of the neutral chemical cleaning agent. The neutral chemical cleaning agent is compounded of a main cleaning agent, a surfactant, a penetrant, caustic soda liquid and water. The cleaning agent has complexing action with aluminum metasilicate and silicate scales on the surface (in contact with the cleaning agent) of the air pre-heater to achieve the purpose of dissolving dirt; by virtue of permeation and swelling, cracks and gaps are generated in an inner structure of a scale layer. The cleaning agent adopts a safe and environmental-friendly neutral scheme and is free of toxicity. The main compound, namely the main cleaning agent, is easily biodegraded so that the environmental problems are avoided; the cleaning agent has the characteristics of quickly removing scales and not corrode a steel frame, not damaging an enameled heat exchange component, not damaging the flak anticorrosive material and the like. When used for cleaning the air pre-heater, the neutral chemical cleaning agent has the beneficial effects that the removal rate of hard scales is 98% or above, and the light transmittance of the air pre-heater reaches 95% or above, and moreover, the heat exchange efficiency of the heat exchange equipment is improved, a vent channel is dredged, and safe and economical operation of the unit is guaranteed.

The invention discloses a biodegradable non-phosphorous anti-scale corrosion inhibitor and a preparation method thereof. The biodegradable non-phosphorous anti-scale corrosion inhibitor comprises, by mass, 10-20% of polyaspartic acid, 5-20% of polyepoxysuccinic acid, 30-60% of copolymers, 5-10% of zinc salt, 2-5% of fluorescent tracers and the balance water, wherein the molecular weight of the copolymers ranges from 2000-10000, and the copolymers are maleic anhydride / acrylic acid / acrylic acid oxylactone / 2-acrylamide-2-methylpro panesulfonic acid quaternary copolymers. The non-phosphorous anti-scale corrosion inhibitor is used for stainless steel condenser circulating cooling water systems of thermal power plants, is non-phosphorous, non-toxic, easily biodegradable, free from environmental problems and unlimited in discharge, and is capable of controlling carbon steel corrosion rate to be smaller than or equal to 0.075mm / a, controlling corrosion rate of copper, copper alloy and stainless steel to be smaller than or equal to 0.005mm / a, controlling dirt deposition rate to be smaller than or equal to 15mcm and controlling scale inhibition rate to be larger than or equal to 80%.

The invention provides a non-poison and no foreign odor disinfectant containing double-chain quaternary ammonium salt and orthophthalaldehyde. The technology gist of the invention is that the material double-chain quaternary ammonium salt and orthophthalaldehyde are mixed at a ratio of 2 M : 1 M in molar content. The invention has the efficacy of both biquaternary ammonium salt and orthophthalaldehyde and is suitable for epidemic prevention disinfection, disinfection for articles of agriculture and breeding industry, inviroment disinfection, and immersion sterilization of medical device such as wet endured heatlabile endoscopes and surgical instruments.

The invention discloses wood modification chemical liquid and a method for treating wood through the wood modification chemical liquid. The wood modification chemical liquid is prepared from, by mass, 0.5%-5% of an activator, 5%-50% of low molecular sugar, 0-3% of a catalyst, 0-0.5% of a stabilizer and 0.5%-5% of additives and water. According to the wood modification treatment method, through vacuum and pressurization conditions, the wood modification chemical liquid is injected into wood materials, an active functional group in a modifier and a wood cell wall hydroxyl group are subjected to a grafting reaction under the high-temperature and dry conditions, and thus the active functional group is fixed in the wood cell wall. According to the wood modification chemical liquid and the method for treating the wood through the wood modification chemical liquid, the activator is an environment-friendly chemical, and in the process that the activator activates the low molecular sugar, the activator is decomposed into water and oxygen, or the activator can be subjected to separation recycling, so that the negative effect is not brought to the prepared wood modifier and the environment, and the problems of emission of formaldehyde, phenol, acetic acid and other micromolecule volatile matter existing in the prior wood modification art are effectively solved.

The invention discloses an insect-resistant, corrosion-resistant, and mildew-resistant raw bamboo protective agent which comprises the following components: ammoniacal copper quaternary, N-2-benzimidazolyl methyl carbamate, and a penetrating agent, and also discloses processing technology of the raw bamboo protective agent, which comprises the following steps: performing bamboo joint punching processing of a fresh felled raw bamboo, naturally drying; putting the raw bamboo into a pressure impregnation tank, closing the tank door, turning on a vacuum pump to vacuumizing the impregnation tank; adding the raw bamboo protective agent till the impregnation tank is filled up with the vacuum pump being turned on; turning off the vacuum pump, turning on a pressure pump till the raw bamboo protective agent becomes saturated in the raw bamboo; releasing the pressure, discharging the protective agent in the impregnation tank. The purpose of the invention is to provide the raw bamboo protective agent which can simultaneously provide insect-resistant, corrosion-resistant, and mildew-resistant effects for raw bamboos, and also to provide the processing technology of the raw bamboo protective agent, which allows the protective agent to completely penetrate into the raw bamboo and thus to reach the effect of long-term raw bamboo protection without environment problems.

The invention belongs to the technical field of cultivation, and discloses a cultivation method for akebia trifoliata. The method comprises the following steps: selecting flat land with leeward sunnyexposure or mountain or hilly land with a slope of less than 15 degrees, selecting sandy loam soil or loam with a pH value of 6.5-7.5, an organic matter content of not less than 1%, and a groundwaterlevel of less than 1 m, and performing garden construction; performing planting: selecting a variety, performing seedling quality selection, selecting a planting period, selecting a planting density and performing planting; performing shaping and pruning: performing tree shape pruning, performing shaping, and performing pruning; performing flower and fruit management: thinning inflorescence, thinning flowers, retaining fruits, thinning the fruits, setting the fruits, performing bagging, and performing harvesting; performing soil, fertilizer and water management: performing soil management, performing fertilization, and performing water management; and preventing and controlling diseases and pests. The method disclosed by the invention increases wild resource survey, selects seedless and few-seed excellent plants, develops series of processed products and health care products of the akebia trifoliata, and makes a first artificial cultivation technical regulation of the akebia trifoliatain China.

The green acid washing corrosion inhibitor consists of berberine hydrochloride 80-98 wt%, epiberberine hydrochloride 0.1-10 wt% and jatrorrhizine hydrochloride 0.1-10 wt%. It is added into acid washing solution of dilute hydrochloric acid or dilute sulfuric acid of 0.1-2 M concentration and the added amount is 0.001-5 kg / cu m. The acid washing solution is then heated to 25-50 deg.c and used in acid washing of steel parts. The present invention can avoid the corrosion of steel, and compared with available acid washing corrosion inhibitor, the present invention has the advantages of low consumption, high corrosion inhibiting efficiency, and powerful lasting effect. The green acid washing corrosion inhibitor is harmful to environment and living being.

The invention relates to a steel (carbon steel) seawater corrosion inhibitor, in particular to a carboxymethyl chitosan oligosaccharide schiff base organic carbon steel seawater corrosion inhibitor and application thereof. The corrosion inhibitor comprises components of one or two of highly water soluble carboxymethyl chitosan oligosaccharide schiff base, disodium hydrogen phosphate and mixture of highly water soluble carboxymethyl chitosan oligosaccharide schiff base and disodium hydrogen phosphate. The corrosion inhibitor in the invention can effectively prevent seawater from corroding carbon steel and has the greatest advantages of small used amount, high corrosion inhibition efficiency and long acting time. The product in the invention is an 'environmentally-friendly' green corrosion inhibitor, has a wide source range and has a promising market prospect and a high application value.

The invention discloses a process for extracting a theaflavin product, and relates to the technical field of the deep processing of tea products. In order to solve the problems of excessive oxidization and low yield caused by the uncontrolled consecutive reaction in traditional in-vitro enzymatic oxidization process for the preparation of theaflavin, the invention provides the process for extracting the theaflavin product, which comprises the following steps of: (a) the preparation of a substrate solution; (b) the preparation of an enzymatic catalyst; (c) the preparation of fermentation; (d) the separation of an ester phase; (e) the concentration and phase inversion; and (f) drying. When the process is adopted, the process control of the fermentation process is realized, the conversion rate and specification of the theaflavin product are improved, and the process cost for the follow-up refining and purification is reduced.

The invention discloses a green abluent and appliance with niacin and vitamin B3, which is characterized by the following: adopting 0.10-1.0mol / L dilute hydrochloric acid or dilute sulphuric acid as cleaning fluid; adding abluent according to the quantity at 0.010g / L-2.0g / L; immersing the uncleaned hot-dip galvanizing, zinc-aluminium alloy and zinc-aluminium alloy coated steel for 15 min to 3h at indoor temperature. The invention is a soluble vitamin without damaging environment and biology, which satisfies developing trend of abluent.

The invention relates to a steel product (carbon steel) seawater corrosion inhibitor, in particular to an oligochitosan corrosion inhibitor and an application thereof. The corrosion inhibitor comprises the components of oligochitosan with better water solubility after chitosan degradation or a combination of oligochitosan with one or two of zinc sulfate and hexamethylene tetramine. The corrosion inhibitor can effectively prevent the corrosion of seawater on carbon steel and has the advantages of low use amount, high corrosion inhibition efficiency and strong action duration capability. The product of the invention is an environmental-friendly green corrosion inhibitor and has a wide material source range, a broad market prospect and a good application value.

The invention discloses a phosphorus-free corrosion and scale inhibitor. The phosphorus-free corrosion and scale inhibitor is characterized by consisting of sodium molybdate, zinc salt, citrate, triethanolamine, benzotriazole (BTA), polyaspartic acid (PASP), polyepoxysuccinic acid (PESA), an acrylic acid-sulfonic acid terpolymer, solid alkali and water. When the phosphorus-free corrosion and scale inhibitor is used for cooling water, the phosphorus-free corrosion and scale inhibitor is nontoxic and phosphorus-free, main organic ingredients are easy to biodegrade, the environment problem is solved, the discharge is not limited by phosphorus, the subsequent treatment cost is greatly reduced, the corrosion rate of carbon steel is less than or equal to 0.1mm / a, the corrosion rate of copper, copper alloys and stainless steel is less than or equal to 0.005mm / a, and the scale inhibition rate is more than or equal to 90 percent.

The invention relates to ship unloading equipment applicable to various kinds of dried bulk cargo, which has the advantages of bundline resource saving, small area of occupied ground, low construction capital investment and cost reduction. The ship unloading equipment comprises an ascending conveying structure, a horizontal conveying structure, a descending conveying structure, a distribution conveying structure, cargo outlet pipes and a steel rail, wherein the ascending conveying structure is connected with the horizontal conveying structure, the horizontal conveying structure is connected with the descending conveying structure, the descending conveying structure is connected with the distribution conveying structure, and the distribution conveying structure is communicated with the cargo outlet pipes. The invention is characterized in that the cargo outlet pipes are distributed on the lower end surface of the distribution conveying structure.

The invention discloses a textile sizing agent. The textile sizing agent is prepared from the following raw materials in parts by weight: 12 to 26 parts of nano silicon dioxide modified starch, 5 to 7 parts of kaolin, 3 to 4 parts of organic silicon defoamer, 2 to 6 parts of dacron, 4 to 8 parts of soybean protein fiber, 9 to 14 parts of acetate fiber, 3 to 6 parts of polyvinyl alcohol, 4 to 7 parts of protein amino acid, 2 to 5 parts of polyacrylic ester, 2 to 4 parts of hydroxymethyl cellulose, 4 to 7 parts of pentaerythritol stearate, 1.2 to 2.3 parts of essence, 6 to 12 parts of polyvinyl alcohol and 7 to 10 parts of acetic acid. The textile sizing agent has the beneficial effects of stable viscosity, complete gelatinization, prevention of environmental problem and simple production process.

The invention relates to a corrosion inhibitor for a steel neutral medium, particularly relating to a green sodium alginate corrosion inhibitor for a carbon steel neutral medium as well as an application thereof. The corrosion inhibitor is sodium alginate of which the chemical general formula is (C6H7NaO6)n and the average molecular weight (Mw) is 20000-100000. The sodium alginate corrosion inhibitor disclosed by the invention is a natural product extracted from brown algae, and is widely applied to food industry. The corrosion inhibitor is a copolymer formed by connecting alpha-L-mannuronic acid (M units) with beta-D-guluronic acid through 1,4-glucosidic bonds and composed of different GGGMMM fragments. The alpha-L-mannuronic acid unit contains a large amount of carboxyl and can be coordinated with metals. Compared with the current commonly-used organic corrosion inhibitor, the corrosion inhibitor disclosed by the invention is non-toxic and harmless, thereby having no environmental problem after use. In addition, the corrosion inhibitor is non-toxic and harmless to environment and living beings, thus conforming to development of green corrosion inhibitors.

The invention relates to a corrosion inhibiter for steel acid pickling, in particular to an environment-friendly corrosion inhibiter for carbon steel acid pickling, which can prevent carbon steels and the products from corroding carbon steel materials and over consumption of acidizing fluid in the acid picking process and the application thereof. The component of the corrosion inhibiter is one or the combination of hexanophenone-O-(1, 3, 4-tolyltriazole) methylene oxime, 4- methoxy acetophenone-O-1'- (1', 3', 4'- tolyltriazole) methylene oxime and 4-fluorine acetophenone-O-1'-(1', 3', 4'-tolyltriazole). The application of the corrosion inhibiter is that steels are immerged and washed in acid liquid added with tolyltriazole. The corrosion inhibiter of the invention can effectively prevent acid from corroding the carbon steel materials in acid picking process and has the outstanding advantages of low consumption, high corrosion inhibition efficiency, stable corrosion inhibiting performance and simple synthesis. Besides, the corrosion inhibiter for steel acid pickling of the invention has no pollution to environment, comparatively high productive value and wide market prospect.

The invention discloses a preparation method of an ion response type antibacterial and anticorrosive coating, which comprises the steps of firstly, preparing a SiO2 nano container through liquid phase mixing and reflux condensation, then mixing the nano material with an antibacterial agent, carrying out ultrasonic treatment to obtain a nano container loaded with the antibacterial agent, then packaging the nano container by adopting a FeIII-TA complex molecular film, finally, according to a basic method for preparing the coating, adding the functional filler into the matrix coating, then adding a coating additive, and stirring at a high speed to obtain the ion response type antibacterial and anticorrosive coating. The selected coating is a water-based coating, the antibacterial agent is triclosan (TCS), and the coating and the antibacterial agent have the characteristics of being green and environment-friendly and do not contain harmful components. In the using process, harm to the human body and the environment is avoided, and the coating has the characteristics of self-repairing, long antibacterial aging and excellent corrosion resistance.

The invention provides an acid cleaning inhibitor and application thereof, in particular an anthranilic acid polymer carbon steel acid cleaning inhibitor for preventing unnecessary corrosion and acid liquor consumption of the carbon steel and products thereof in the acid cleaning process, and application thereof. The inhibitor is prepared from anthranilic acid and a surfactant serving as raw materials through ammonium persulfate oxidizing reaction under a certain condition. The application is to soak and clean the carbon steel by using cleaning solution added with the inhibitor, wherein the cleaning solution is hydrochloric acid solution with the concentration of 1mol / L; and each liter of the acid liquor is added with 0.05 to 1 percent of the acid cleaning inhibitor for soaking the carbon steel for 5 hours at room temperature. The inhibitor has the advantages of no toxin, no harm, easy water solubility, high inhibition efficiency, and the like; and the anthranilic acid polymer carbon steel acid cleaning inhibitor can prevent excessive corrosion of base metal and excessive consumption of the acid liquor in the acid cleaning process by cleaning the carbon steel and the surfaces of the products thereof, and also has the advantages of low consumption, high efficiency and strong sustained action capacity.

This invention discloses an acidic detergent for carbon steel and its application. The acidic detergent is composed of xacin-series antibacterial drug and 0.1-2 M acid solution at a ratio of 0.010-5.0 kg / L. The acidic detergent can be applied by soaking carbon steel in the acidc detergent at room temperature for 15 min-3 h. The acidic detergent can prevent carbon steel from local or whole corrosion, and has such advantages as low usage amount, high corrosion-inhibiting efficiency, long effective time, no harm to the environment or creatures, etc., thus having good application potential.

The invention discloses a technology for removing bismuth from copper electrolyte with low cost. The technology comprises the following steps of: leaching and filtering soot or slag to obtain primary leached residue, modifying the primary leached residue to obtain a modified bismuth removing agent, adding the modified bismuth removing agent into a reaction container, fully mixing and stirring the modified bismuth removing agent and the electrolyte, adsorbing and co-precipitating Bi, Sb and the like in the electrolyte through the bismuth removing agent by using the principle of similar adsorption of insoluble substances, and returning the filtered Bi-removed electrolyte to a production system, wherein the Bi removing effect of the bismuth removing agent declines after multiple times of cycle, the bismuth removing agent can be reused after resolving and pulverizing, and valuable metals in the bismuth removing agent can be recovered by treatment. 'Three wastes' are not produced in the whole process, normal production of a master system is not interfered, noble raw materials, high energy consumption and manpower resource expenses for the conventional bismuth (and antimony) removal are reduced, and harm of bismuth, antimony and arsenic of high-quality cathode copper produced by using a mineral copper anode plate is eliminated; and the technology is expected to become a new technical turning point of copper electrolytic refining, so that the copper electrolytic refining way is flatter.

The invention discloses a preparation method and application of a soluble extracellular polymeric substance of a bacillus microorganism, and belongs to the technical field of microorganisms. The preparation method comprises the following steps: adjusting the pH (Potential of hydrogen) value of a Luria-Bertani liquid culture medium to be 7.0-8.0, performing high temperature sterilization and then using the treated Luria-Bertani liquid culture medium as a Luria-Bertani liquid fermentation culture medium, adopting a solid Luria-Bertani culture medium, performing activation culture on bacillus for24-48 h, then inoculating the Luria-Bertani liquid fermentation culture medium with the bacillus subjected to the activation culture, and culturing for 24-36 h to obtain a bacillus microorganism fermentation liquor; placing the bacillus microorganism fermentation liquor under the condition of the temperature of 4-8 DEG C and performing centrifugal treatment, standing and taking supernatant liquor, and dialyzing the supernatant liquor through a dialysis bag to obtain a soluble extracellular polymeric substance solution; performing freeze drying on the soluble extracellular polymeric substancesolution to obtain soluble extracellular polymeric substance powder; dissolving the soluble extracellular polymeric substance powder in distilled water to prepare a soluble extracellular polymeric substance water solution with a preset concentration for standby use. The soluble extracellular polymeric substance provided by the invention is used as a dual-functional biological corrosion inhibitor and scale inhibitor.

Production of corrosion inhibitor of uracil, in fact, preventing carbon steel and its products from unnecessary corrosion and acid liquid waste in acid washing process, and its use are both disclosed herewith. The corrosion inhibitor comprises kinds of uracil compounds, one or more kinds mixed. It is used to be added into acid liquid of (0.1mol / L-1mol / L) with concentration of corrosion inhibitor (0.001g-2.0g) / L. The uracil as component of nucleic acid exists widely in nature so as to have no toxicity. It is used a little and can work long.

Disclosed is a conductive sliding film (50), which is a film applied to the surface of a relatively sliding member (60). The conductive sliding film (50) is a metal-doped tetrahedral amorphous carbon that is doped with a metal element and has resistivity in a range of 10<2>-10<-4> [Omega cm] and surface hardness in a range of 10-30 [GPa]. The conductive sliding film is provided with high abrasion resistance and excellent slidability and is suitable for mounting members for cameras.

The invention relates to a carbon steel pickling corrosion inhibitor based on polygonatum sibiricum polysaccharides. The corrosion inhibitor is the polygonatum sibiricum polysaccharides, and can be used for preventing the consumption of metal or acid liquid in the pickling process of carbon steel and a product thereof. The corrosion inhibitor is a natural plant extract, has the characteristics ofbeing environment-friendly, low in price, wide in source and free of pollution, is suitable for industrial acid pickling of the carbon steel and the products thereof, and has a good application prospect.