91results about How to "Good ecological security" patented technology

The present invention provides an eluent for repairing contaminated soil. The eluent comprises, by weight, 50-70 parts of a nonionic biosurfactant and 5-30 parts of an anionic surfactant. The compounding synergism of the nonionic biosurfactant and the anionic surfactant enhances the solubilizing effect of the eluent on organic pollutants in soil, especially polycyclic aromatic hydrocarbons, so theelution efficiency of the eluent is significantly improved; and the components of the elutent are biodegradable, so the eluent does not cause secondary damage to the environment in the use process, and is an efficient, clean and environmentally-friendly in situ eluent for repairing contaminated soil. The eluent provided by the invention is firstly foamed in the use process, so the spreading efficiency of an eluent solution in the soil medium is increased, the migration of the eluent in the horizontal direction is enhanced, and the uniformity and the repairing efficiency of the eluent in the soil are further improved.

The invention discloses a method for preparing alga inhibitor from a natural plant barley, belonging to the field of water pollution control. The method comprises the following steps of: drying and crushing barley, extracting with ethanol containing water (or low-carbon alcohol containing water) to obtain barley extract liquid; distilling at reduced pressure to obtain an extract A; removing components which can be dissolved in petroleum ether from the extract A; extracting with chloroform (or dichloromethane or diethyl ether) and ethyl acetate (or n-butyl alcohol or acetone) to respectively obtain organic phases B and C; and respectively distilling at reduced pressure to finally obtain alga inhibiting component extracts D and E. The method has the advantages that the method is simple and easy to operate, cost is low, material sources are wide and easy to obtain; moreover, two alga inhibitors with high purity can be obtained at the same time; therefore, the method can be widely used for controlling algal bloom of lakes and reservoirs.

The invention discloses an algae inhibiting method of donaxine plant in the pollution water control domain, which comprises the following steps: 1) extracting the algae inhibiting material in the donaxine plant by water and organic solvent; 2) loading the chopped bundle of donaxine plant or donaxine in the bag; placing the bag in the disposed water. The invention is fit for lake, reservoir, river, landscape aquifer, domestic fish pond, aquarium, miscellaneous natural aquifer and artificial aquifer, which avoids secondary pollution and aquifer landscape influenced by a great amount of the doted organics in the water.

The invention belongs to the technical field of concrete admixtures, in particular to a concrete water-retaining agent, made from the following materials according to parts by weight: 30-50 parts of hydroxypropyl methylcellulose, 10-18 parts of diatomaceous earth, 5-15 parts of glyceryl monostearate, 3-15 parts of calcium sulfoaluminate and 2-10 parts of alkyl glycoside. The concrete water-retaining agent of the invention has high water-retaining rate and stable properties and can improve the strength, cracking resistance and durability of concrete.

The invention relates to a method for continuously producing alkyl glucoside. According to the method, anhydrous glucose or glucose monohydrate and fatty alcohol carry out reactions continuously; then the reaction product is subjected to a continuous three grade vacuum distillation alcohol removing treatment, which comprises primary scraping plate evaporation, secondary short term evaporation, and tertiary short term evaporation, to remove fatty alcohol, and finally the reaction product is subjected to a continuous three-grade counter current discoloring treatment, which adopts ozone as the discoloring agent, so as to produce colorless, transparent, high purity and high quality alkyl glucoside. The obtained alkyl glucoside is colorless, transparent, and tasteless, and has the advantages of stable quality, high surface activity, good ecological safety, good intermiscibility, and low production cost. At the same time, the invention also relates to a production device capable of producing alkyl glucoside continuously, and has the advantages of high automation degree, short procedure, and suitability for large scale industrial production.

The invention relates to a method and an application for extracting an alexandrium tamarense inhibitor from enteromorpha. The method comprises the following steps of: lixiviating per kilogram of the enteromorpha by using 2-5 liters of distilled water at room temperature for 12-72 hours, filtering to take filter liquor, and concentrating the obtained filter liquor into pastes by adopting a rotary evaporation method; dissolving the concentrated pastes by using a mixing solution of petroleum ether and 90 percent of alcohol which are in a 1:1 ratio; sufficiently oscillating for 1-3 minutes, then demixing by standing for 10-120 minutes, and taking a lower-layer alcohol phase; decompressing, evaporating and concentrating the alcohol phase to obtain a paste-like substance at 40 DEG C; extractingand separating by using ethyl acetate and secondary distilled water which are in the 1:1 ratio, wherein a ethyl acetate phase is the alexandrium tamarense inhibitor; and determining the volume of thealexandrium tamarense inhibitor extracted by per kilogram of the enteromorpha to 50 milliliters. The invention is used for inhibiting the growth of alexandrium tamarense by adding 0.5-5 milliliters of the alexandrium tamarense inhibitor to per cubic metre of a water body, sufficiently utilizes the enteromorpha, has efficient economy, good ecological safety and easy operation and control, effectively inhibits the growth of the oceanic alexandrium tamarense and particularly inhibits the growth of gymnodinium breve.

The invention discloses a preparation method of surface-functionalized elution micro-spheres capable of carrying drugs, relating to the field of bio-medical materials. The preparation method comprises the following steps: (1) by taking carboxymethyl chitosan as a raw material and polyethylene glycol diglycidyl ether as a cross-linking agent, preparing cross-linking carboxymethyl chitosan micro-spheres of which the particle sizes are mainly distributed in 300-400mu m by a reverse micro-suspension cross-linking method; and (2) putting the prepared dry cross-linking carboxymethyl chitosan micro-spheres into an aqueous solution of 2-acrylamide-2-methylpropanesulfonic acid for soaking, and carrying out graft polymerization on the 2-acrylamide-2-methylpropanesulfonic acid on the surfaces of the micro-spheres by taking ammonium ceric nitrate as an initiator, so as to modify the micro-spheres. As the surfaces of the micro-spheres, modified by graft polymerization, have a large number of sulfonic acid groups, drugs with positive charges, such as doxorubicin hydrochloride, can be effectively carried, so that the elution micro-spheres can be hopefully prepared.

The invention provides a base fluid for a biomass drilling fluid and a preparation method thereof. The base fluid comprises, by weight, 60 to 90 parts of amino acid alcohol ester, 5 to 30 parts of polyetheramine alkyl glucoside and 5 to 10 parts of methylsilicone oil. The above components are mixed so as to obtain the base fluid for the biomass drilling fluid. According to the invention, amino acid alcohol ester has the advantage that the viscosity of amino acid alcohol ester is slightly influenced by temperature changes as the viscosity of ester substances, and has the characteristics of environment friendliness and biodegradability; through addition of polyetheramine alkyl glucoside, the surface activity of the base fluid is substantially improved, so the base fluid has good ecological security and intermiscibility; and as methylsilicone oil is added, the base fluid has good lubricity, physiological inertness and chemical stability. Thus, the base fluid for the biomass drilling fluid in the invention has the advantages of high environment friendliness, a wide viscosity range, a low freezing point, good lubricity, etc. and can meet performance demands for preparation of base oil for the drilling fluid. The invention also provides the biomass drilling fluid.

The invention belongs to the field of daily chemical industry, and relates to a green phosphorus-free washing powder and a preparation method thereof. It is made of the following raw materials in the following weight ratio: 10-30 parts of sodium alkylbenzene sulfonate, 10-30 parts of alkyl glycoside 20 parts, 10-30 parts of sodium percarbonate, 15-25 parts of anhydrous sodium sulfate, 5-10 parts of sodium carbonate, 3-8 parts of sodium silicate, 0.5-2 parts of sodium carboxymethyl cellulose, 1-5 parts of zeolite part, 0.1-0.3 part of fluorescent whitening agent, 0.2-0.4 part of protease, and 0-0.2 part of essence. drying, pulverizing and sieving to obtain the green phosphorus-free washing powder. The invention has the advantages of low cost and simple process, and the prepared washing powder has good hard water resistance, strong decontamination ability, rich foam, mild hand washing, clean and bright clothes after washing, and long-lasting fragrance. It adopts green and environmental protection formula, and the degradation rate of raw materials is high.

The invention discloses a low foam lubricating liquid for a food beverage chain conveying belt, wherein 0.1-5% by weight of water-soluble emulsified silicone oil, 0.1-5% by weight of alkyl glucoside, 0.1-2% by weight of an anti-foaming lubricant, 0-0.5% by weight of an anti-rust agent, 0-1% by weight of a scale inhibitor, 0.2-1.0% by weight of a preservative, and the balance of water are mixed, and a pH value adjusting agent is added to adjust the pH value to 6.0-7.0 so as to obtain the low foam lubricating liquid. The low foam lubricating liquid has characteristics of good lubricity, good cleaning effect, good water solubility, low foam, no toxicity, no corrosion, good environmental compatibility, easy production, and convenient use.

The invention relates to a method for preparing Enteromorpha prolifera extract for prohibiting red tide alga and the application thereof. And the preparing method: leaching Enteromorpha linza plants or their crushed matters with water, alcohol or acetone, aether, and chloroform or methanol, and concentrating the obtained extract by rotary evaporation, and throwing the concentrated extract into a to-be-processed water body to prohibit growth of red tide alga in the water body. And the extract of the Enteromorpha linza extract can be used to prohibit the red tide alga growing. Ordinarily, per kg Enteromorpha linza is leached with 30-50 L sterilized sea water for 1-3 days and the obtained Enteromorpha linza extract is applied to the to-be-processed water body, and 10-100 ml extract is thrown into per L water body and the prohibition rate is above 98%. And the invention can effectively prohibit harmful marine red tide alga.

A method of inhibiting algae growth by using reed, belonging to water treating field, binding the reed plants or preparing reed powder, then loading to the nylon pocket, putting to the pretreated water body to inhibit the algae growth in water; after the algae growth is inhibited, getting the nylon basket out of water to prevent second pollution. The method is characterized by the good effect of algae inhibiting, low price of the material, ease to get, control, and ecological safety.

The invention discloses micromonospora haikouensis having algae dissolving capacity and an application of the micromonospora haikouensis to karenia mikimotoi, and belongs to the microbiology field fortreatment of harmful red tide. The algae dissolving fungi is named as Micromonospora haikouensis B2572 ( hereinafter referred to as Micromonospora haikouensis B2572 or bacterial strain B2572 ), separated from roots of sonneratia apetala in Maowei sea mangrove nature reserve in Qinzhou city of Guangxi province, and is preserved in China Center for Type Culture Collection at 22 May, 2019, with thepreservation No. of CCTCC NO:M 2019382. The new bacterial strain provided by the invention has good restraining and killing effect on Beibuwan bay sea area dominant algae namely the Karenia mikimotoi,under the condition of treatment for 24h, the algae dissolving rate can achieve 90% or above, and the micromonospora haikouensis has broad application prospects in harmful algal bloom events broken out in massive water bodies.

A multiple-effect cleaning liquid is characterized by being prepared from components in percentage by weight as follows: 12%-15% of myristyl glucoside, 13%-15% of alkyl polyglucoside, 4%-7% of sodium cocoyl glycinate, 5%-9% of sodium lauroylsarcosinate, 2%-4% of CQAL 100, 0.05%-0.5% of Australian tea tree oil, 0.1%-0.3% of green tea essential oil, 0.1%-0.3% of lemon peel extract, 0.5%-2% of betaine, 2%-4% of glucoside, 0.05%-0.2% of citric acid, 0.3%-0.5% of a protease decomposer, 0.1%-0.3% of sodium citrate, 0.2%-0.4% of potassium sorbate and the balance of water. The cleaning liquid contains no phosphorus, sulfur, aluminum or salt compounds of phosphorus, sulfur and aluminum, is matched with certain phytoextraction essences, is natural, non-toxic, free of residues, skin-friendly and easy to decompose and can be used for cleaning clothes, kitchen ware tableware, melons, fruits, vegetables, floors and the like.

The invention belongs to the technical field of concrete additives, and particularly relates to a super early strength concrete water reducing agent. The super early strength concrete water reducing agent is prepared from, by weight, 35-60 parts of a polycarboxylic acid water reducing agent, 1-2.2 parts of glyceryl monostearate, 0.5-1.5 parts of alkyl glycoside, 0.5-2.8 parts of sodium carboxymethylcellulose, 0.3-0.9 part of sodium tripolyphosphate, 0.2-0.8 part of polytetrafluoroethylene and 10-25 parts of water. The super early strength concrete water reducing agent has the superhigh early strength ratio and the high later strength increase speed and is good in adaptability with concrete, beneficial for durability of the concrete and few in slump time loss.

The invention relates to the anti-sticking agent technical field, and particularly relates to a metal surface treatment anti-sticking agent prepared from the following raw materials in parts by weight: 8-16 parts of hydroxyl silicone oil, 10-20 parts of polyaspartic acid, 5-10 parts of alkyl glycoside, 8-18 parts of polytetrafluoroethylene, 5-10 parts of polyamideimide resin, and 10-20 parts of deionized water. The metal surface treatment anti-sticking agent is reasonable in composition, obvious in effect and stable in chemical properties, can effectively prevent adhesion between layers of a metal strip, and also has the function of corrosion resistance; the metal product surface quality is bright and clean; and the anti-sticking agent has good levelling property and thixotropy, meets processing at various temperatures, and can be used for a long time.

The invention relates to the technical field of ink, and in particular relates to environment-friendly black ink which is prepared from the following raw materials in parts by weight: 7-15 parts of sodium humate, 10-20 parts of a thickening agent, 1-6 parts of alkyl glycoside, 0.5-3.5 parts of a jasmine extract, 2-10 parts of sodium fatty acid methyl ester sulfonate, 1-8 parts of polytetrafluoroethylene powder and 30-50 parts of deionized water. According to the black ink provided by the invention, the raw materials are non-toxic and harmless, the ink is easy to clean when dropping on clothes and the drainage of the cleaning water is non-toxic and harmless; and the ink provided by the invention is fluent and durable to write, stable in performance and free of blocking the pen points.

The invention discloses an emergency treatment method for quickly reducing water bloom hazards of a freshwater fish aquaculture pond. The method includes: adopting a physical method to drive most of cyanobacterial bloom in the freshwater fish aquaculture pond to a downwind position, performing purse seine to form a quasi-enclosure area; pouring biological flocculants to the quasi-enclosure area, completely pulling out cyanobacterial flocculation, then adding sustained-release microcystin degradation catalysts, and finally pouring a fish detoxifier with vitamin C serving as a main component into the aquaculture pond. By application of the method in emergency treatment of cyanobacterial bloom in the freshwater fish aquaculture pond, cyanobacterial biomass in aquaculture water can be remarkably reduced in extremely short time, microcystin in aquaculture water is effectively removed by catalytic degradation while immunity of cultured fishes is improved, and accordingly hazards caused by cyanobacterial bloom in the pond to the cultured fishes are reduced fundamentally. The emergency treatment method is efficient and high in ecological safety, and secondary injuries of the cultured fishes are avoided while hazards caused by cyanobacterial bloom in the pond to the cultured fishes are reduced sharply in short time. Therefore, the method is available for large-scale application in emergency treatment of cyanobacterial bloom in the freshwater fish aquaculture pond.

The invention discloses a method for promoting chlorella growth. The invention discloses application of pectinase and (2,4,6-trihydroxylphenyl)-4-(4-hydroxyphenyl) pyrazole in promoting algae growth. The pectinase is a common enzyme in the food field, and the (2,4,6-trihydroxylphenyl)-4-(4-hydroxyphenyl) pyrazole is a substance capable of promoting pectinase activity, which can avoid influence on other organisms in environment. A using method has the characteristics that the (2,4,6-trihydroxylphenyl)-4-(4-hydroxyphenyl) pyrazole is added to a water body when the chlorella grows to a certain stage, so that a promoting effect is taken when the chlorella just begins to grow to keep algae at a relatively high density and to effectively promote algae growth; the pectinase and the (2,4,6-trihydroxylphenyl)-4-(4-hydroxyphenyl) pyrazole have the features of being safe, efficient, degradable and the like; and the pectinase and the (2,4,6-trihydroxylphenyl)-4-(4-hydroxyphenyl) pyrazole can be extensively applied to a natural or landscape water body.

The invention discloses streptomyces thiogambosus, the preservation number of the streptomyces thiogambosus is GDMCC NO: 61327, and the streptomyces thiogambosus is classified and named as Streptomyces GXMD-hs-43. The strain is simple to screen and easy to culture, and the inventor also establishes a corresponding culture method. Researches show that the GXMD-hs-43 strain fermentation liquor has a very good prevention and treatment effect on citrus green mold, and the inhibition effect of the GXMD-hs-43 strain fermentation liquor on penicillium digitatum reaches up to 94.81% or above. Besides, a toxicology experiment of the GXMD-hs-43 strain shows that the GXMD-hs-43 strain is a non-toxic microorganism, so that the GXMD-hs-43 strain also has the characteristics of good ecological safety and the like, and secondary pollution cannot be caused in the use process. The discovery of the strain enriches the available microbial resources in China, and the strain has the advantages of stable antibacterial effect, high efficiency and environmental friendliness, and has good application prospects in prevention and treatment of citrus green mold.