170 results about "Green cleaning" patented technology

The invention discloses a green clean energy-saving antwear hydraulic oil, composed of hydrofined II-type mineral basic oil, refined plant oil and synthetic hydrocarbon as well as compound additive, applied to electric liquid servo hydraulic systems in the trades of sugar manufacturing, drug making, daily chemicals, light industry, food, sanitation, etc, and especially applied to the limitation to solid particles in oil and the nontoxic use environment in related trades. It mainly makes the bubbling and weeping in the use and storage and transport course of the related trades unable to destroy the quality of corresponding products, unable to cause mutagenic substances and chemical toxic substances and uneasy to cause pollution and has better internal-combustion degradability.

The invention discloses a natural milk flavored essence base material prepared by hydrolyzing milk fat by using lipase and a production method thereof. The method comprises the step of adding the lipase into a milk fat system to hydrolyze to obtain a hydrolysate, and is characterized in that the milk fat system is prepared by a method comprising the steps of: adding the milk fat into water or enzymolysis buffer solution, mixing the milk fat and the water or the enzymolysis buffer solution, raising the temperature to be between 70 and 90 DEG C, keeping the temperature for 15 to 40 minutes, reducing the temperature to be between 35 and 55 DEG C, adjusting the pH value of solution to be between 4.5 and 7.5, and then performing mechanical emulsification. The invention improves a method for producing a milk flavored essence base material by taking cream as a raw material and utilizing the hydrolysis of the lipase, and obtains the milk flavored essence base material with stronger, fuller and more impressive milk flavor, more natural and softer fragrance, and more natural trend by improving reaction conditions. Compared with products prepared by the conventional process, the natural milkflavored essence base material can increase the fragrance by 100 to 200 times, and remarkably improve the inner quality of fragrance-increased products. Moreover, the natural milk flavored essence base material has the advantages of low production cost, simple process, high edible safety, and 'pollution-free' production process.

The invention relates to a green cleaning car, in particular to a municipal fence green cleaning car. The invention aims to provide a municipal fence green cleaning car with a good cleaning effect, which is labor-saving and has high efficiency. In order to achieve the aim, the invention provides such a municipal fence green cleaning car, which comprises a trolley board and the like, wherein wheelsare arranged at the bottom of the trolley board, and a pushing handle is connected to the leftmost side of the top of the trolley board; the right side of the top of the trolley board is connected with a vertical board, and a lifting device is arranged at the right side of the vertical board; a lifting component of the lifting device is connected with a mounting board, and a brushing device is arranged at the front side of the mounting board. According to the municipal fence green cleaning car provided by the invention, the height of the brushing device is adjusted by the lifting device, so that various parts of the wall surface can be conveniently cleaned; the surface of the fence can be brushed by the brushing device, so that the wall surface can be cleaned; spraying water by a water spraying device can further improve the cleaning effect, so that the wall surface is well cleaned.

The invention relates to a recycling method for catalytic degradation of waste PET, and is characterized in that the recycling method comprises the process steps: degradation reaction, cooling crystallization, filtration, dissolution, decoloration, crystallization, drying and the like. The method is composed of two circulations of degradation and separation recovery, an alcoholysis agent is not contacted with dissolving water, large amount of energy consumption and great production costs generated in distillation separation of water and an alcoholysis liquid are saved, the amount of a solvent and the circular degradation cycle are reduced, production costs are significantly decreased, and the method is green, clean, fast and efficient. Scale production for alcoholysis recycling of the waste PET is achieved, and considerable social benefits and economic benefits are brought.

The invention relates to a natural cleaning agent for removing residual pesticides on fruit and vegetable surfaces and a preparation method; the preparation method of the cleaning agent comprises the following steps: cleaning shells, removing heavy metal, sterilizing the shells, performing high temperature electrolysis and ionization of the sterilized shells to form solid powder, and refining with a mesh sieve to prepare nanometer powder; the cleaning agent comprises one or more than one natural shells according to certain weight ratios. The cleaning agent of the invention not only can remove residual toxic materials on fruit and vegetable surfaces, such as pesticides, sulfur dioxide and aflatoxin, prevent toxic materials from entering human body by eating of the fruit and vegetable, thus prevent continuous accumulation of the toxic materials in the body to damage human body health, but also has no toxicity or irritation to human skin, causes no secondary pollution of ecological environment, meets the development trend of green cleaning agents, and has good application prospects.

The invention provides a new synthetic method of finasteride, belonging to the technical field of drug synthesis. The method comprises the following steps of: a. synthesis of dihydro finasteride iodo complex; and b. synthesis of finasteride; the synthesis method can transform dihydrotestosterone finasteride (F9) into the finasteride with a theoretic volume, avoids the use of harmful and toxic chemicals which are sensitive to the environment, has the advantages of total two-step reaction yield of more than 90%, purity of over 99.0%, good product yield, high purity, easy refining, simple operation, low cost, and less three-waste, conforms with the requirements of green chemical synthesis, and can achieve the requirements of high yield, high purity, green cleaning and industrial production of the finasteride.

A golf course green cleaning device configured to remove debris from the predicted putting path of a golf ball. The golf course green cleaning device further includes a housing having three contiguous portions. The first portion is generally cylindrical in shape and has disposed therein a rechargeable power supply. The second portion is spherical in shape and is substantially hollow. The second portion has a fan an motor assembly therein configured to generate an airflow. The third portion is operably coupled to the second portion and is cylindrical in shape having an internal air passage to receive the airflow from the second portion. Removably attached to the third portion distal from the second portion is a nozzle that directs the airflow exiting the third portion so as to remove debris from the predicted putting path of a golf ball.

The invention discloses a preparation method of a green cleaning agent for a kitchen. The preparation method comprises the following steps: degrading corn starch in water by using high-temperature alpha-amylase, then carrying out graft copolymerization reaction with polyoxyethylene ether methacrylate under the action of an initiating agent to prepare a green starch-based surface active agent, and then compounding with soluble chitosan, sodium tripolyphosphate and sodium carbonate to obtain the green cleaning agent for the kitchen. The green cleaning agent for the kitchen, which is obtained by adopting the method, can be used for cleaning tableware, fruits, vegetables and the like and has the characteristics of good washing detergence property, sterilization, environmental friendliness and the like.

The invention relates to a porous carbon material and preparation and application thereof. The preparation method of the porous carbon material comprises the steps of grinding the carbon raw material into micrometer powder, feeding the micrometer powder into the inert gases and heating to 800 to 1000 DEG C, and carbonizing for 6 to 19 hours to acquire the porous carbon material with high surface area. The preparation method provided by the invention can prepare a carbon material with high surface area and high pore capacity which possesses the micro-nano structure and can be directly used to the energy storage, adsorbing and medical purposes; further the preparation method provided by the invention doesn't require any chemical reagent and at the same time avoids the complex physical or active chemical processing. The operation is simple. The invention is an environment-friendly and clean preparation method.

The invention discloses a method for cleaning a filter element of a filter at the normal temperature. The method comprises the following steps: (1) evenly mixing an ionic liquid and a cosolvent proportionally to prepare a cleaning agent; (2) immersing the to-be-cleaned filter element in the cleaning agent for 2-16 hours at the temperature of 20-50 DEG C; (3) taking out the filter element, furtherwashing with water to wash the ionic liquid and the organic solvent; (4) drying the above filter element. After being dried, the filter element is detected by a stereoscopic microscope and is subjected to bubble detection. The cleaning method is low in washing energy consumption and has a good cleaning effect, the service life of the filter element is prolonged, the cleaning liquid can be recycled, the pollutant discharge is reduced, and the green cleaning is realized.

The invention relates to a method of performing oxidation treatment on waste lithium ion batteries, and belongs to the technical field of environment. The method comprises the following steps of adding waste lithium ion battery powder into an acidic water solution to obtain mixed slurry; inputting oxidizing gas to the mixed slurry with an aerating device, and performing oxidizing leaching; after areaction is completed, regulating the pH of the reaction slurry with an acid regulating reagent to remove few valuable metal ions in lixivium, and then performing solid-liquid separation to obtain lithium-enriched purifying liquid and reaction tailings; and then performing lithium sinking and solid-liquid separation on the purifying liquid so as to obtain lithium carbonate products or lithium phosphate products. Through the adoption of the method disclosed by the invention, through an aeration means, under a milder condition, high-selectivity extraction of lithium elements in the waste lithium ion batteries is realized; the reaction process is green and clean, simple and easy to operate, and wide in application range; and the lithium extraction rate is 85% or above, and the extracting selectivity is 95% or above, so that the problem that in a conventional processing method, lithium resources cannot be economically and effectively recovered can be solved from the source.

The invention discloses a method for preparing fuel oil from waste paper waste residue, which comprises the following steps: pretreating waste residue generated after papermaking with waste paper; by using the pretreated waste paper waste residue as the raw material and bamboo charcoal sulfonated solid acid as a catalyst, carrying out cracking reaction at 100-500 DEG C for 0.5-10 hours; and after the reaction finishes, distilling the cracking liquid, and collecting the 40-330 DEG C fraction as the fuel oil. The method for producing fuel oil by using the solid acid catalyst does not generate solid waste, and thus, is environment-friendly; and the method disclosed by the invention is suitable for large-scale industrial production, is a green and clean production technique capable of changing wastes into valuable substances, and has no application reports of industrial production at present.

The invention relates to a green synthetic method of preparing o-phenylenediamine by reducing o-nitroaniline, wherein the method includes following steps: with o-nitroaniline as a substrate, dissolving the o-nitroaniline in water or in a mixed liquid composed of water and a co-solvent, and adding a supported catalyst under a carbon monoxide atmosphere, wherein the supported catalyst includes a supporter and a catalyst body supported thereon, and performing a reaction to prepare the o-phenylenediamine at 30-150 DEG C. In the method, the supported catalyst is used for preparing the o-phenylenediamine through reduction. The catalyst is high in selectivity and reaction yield and is mild in reaction condition. The method is environment-friendly in production system and less in treatment load of waste water, waste gas and solid waste, achieves green and clean production of the o-phenylenediamine, and is suitable for large-scale popularization.

The invention relates to a novel method for simply producing a novel green cleaning detergent in an aqueous solution system. Green detergent series products which are prepared from mixed fatty acid and quasi chitosan biomass amino compounds and have high surface activity are developed, surface tension of an aqueous solution is reduced to 28-29 mN/m, critical micelle concentration is 0.38-0.40 mg/ml, and the products are far better than sodium dodecyl sulfate and soap. According to the technology, biomass raw materials are widely sourced, the cost is low, and the prepared products are good in biological degradability, safe and environment-friendly.

The invention discloses a synthetic method of desonide. The synthetic method is characterized by carrying out elimination reaction on prednisone acetate by using sulfur dioxide in the presence of a first catalyst and an inert gas, then carrying out oxidation reaction on a product after elimination by using an oxidant in the presence of a second catalyst, then carrying out condensation treatment on a product after oxidation by using acetone in the presence of a third catalyst, carrying out selective reduction on a product after condensation in the presence of a fourth catalyst and finally carrying out hydrolysis reaction on a product after reduction in the presence of a fifth catalyst, thus preparing desonide. The synthetic method has the beneficial effects that desonide can be obtained by using prednisone acetate as the raw material and carrying out elimination, oxidation, condensation, reduction and hydrolysis; all the solvents in the synthetic process are recycled and reused, heavy metals do not participate in reaction in the reaction process, the technical process is mild and the energy consumption is low, so that the synthetic method is environment-friendly and clean.

The invention belongs to the technical field of livestock and poultry processing, and in particular relates to a clean production process for simultaneously extracting lipid and collagen from animal fat tissues. The clean production process provided by the invention is simple, convenient and efficient, is low in cost and high in added value and is used for processing and utilizing the animal fat tissues, and by using the process, collagen can be industrially extracted from the animal fat tissues on a large scale, and animal fat can be obtained at the same time. Compared with the prior art, by using the process provided by the invention, the animal fat tissues are used as a raw material for extracting collagen, high-quality collagen and animal fat can be obtained on the premise that wastewater is not generated, green and clean utilization of the animal fat tissues are realized, a big pollutant source of the livestock and poultry processing industry is eliminated, and meanwhile, the added value of the animal fat tissues is also greatly improved, so that the clean production process has a wide application prospect in the field of livestock and poultry processing.