46results about How to "Promote circular economy" patented technology

The invention discloses a semiochemical compound color plate and a preparation method thereof. The semiochemical compound color plate comprises a substrate provided with colors, wherein the surface of the substrate is coated with insect gluing viscose, and the insect gluing viscose is formed by mixing sticky mucilage glue and appropriate semiochemicals according to a certain proportion. The synergistic action of the semiochemicals and visual information to food taking, oviposition and other actions of insects is utilized to optimize the color wavelength of each insect, semiochemical components are combined with a viscose plastic (PP (polypropylene), PVC (polyvinyl chloride) or PE (polyethylene)) or paper color plate to prepare the semiochemical compound color plate, the short distance ofthe visual information is overcome, the trapping efficiency and the trapping range are greatly increased, and male and female injurious insects can be trapped. The semiochemical compound color plate can be used for trapping aphids, aleyrodids, liriomyza sativae, diamond back moths, empoasca vitis, aleurocanthus spiniferus, thrips and various other hemiptera, homoptera, lepidoptera and diptera injurious insects, particularly insects hidden under leaf surfaces or in the shadow. The utilization efficiency of the color plate is greatly improved, and the dosage of the color plate is reduced so as to reduce the cost.

The invention relates to a method for preparing flocculant, fertilizer and methane with sludge containing algae, which relates to a process for turning the sludge containing algae into resources. First, a hydrothermal oxidation technology is adopted to separate organic matter and inorganic matter in the sludge containing algae under the conditions of 150 to 180DEG C of temperature and 0.8 to 1MPa of pressure to obtain brown organic residual waste liquid and solid sludge containing aluminum and iron inorganic matter; and then the solid sludge is dried, ground and screened; hydrochloric acid is added into screen underflow to react for 1 to 2h at 90 to 100DEG C, and stays still; the pH value of a supernatant is regulated to 2.5 to 4, and the supernatant is cured for 12h at 50 to 60DEG C to obtain a PAC iron liquid product; the PAC iron liquid product is dried, and a PAC iron solid product is obtained; and the pH value of the organic residual waste liquid is regulated to 8 to 9, and the organic residual waste liquid enters an upflow anaerobic sludge bed reactor to react for 24h at 35DEG C to obtain granular organic fertilizer and combustible gas with 65 percent of methane content. The method for preparing flocculant, fertilizer and methane with algae-containing sludge has the advantages of simple process, low cost and high economic and social benefit, and can be widely applicable to the zero algae-containing sludge discharge and the clean production of sewage plants which treat lake sewage polluted by algae.

The invention discloses a technological method for producing copper rice grains by recovering waste wires and cables based on an improvement of the prior production mode that the waste wires and cables recover copper raw materials. The technological method has low cost, small energy consumption, less discharge and no waste pollution, meets the requirement of circular economy development, and can obtain a copper rice grain product the purity of which reaches 99.9 percent. The technological process comprises the steps of classification inspection, loading, primary crushing, secondary crushing, and vibration separation; the angle of a vibration sieve is adjusted according to the content of copper and the wire diameter, and the copper rice grains and plastic are subjected to optional separation through vibration sieving; a material from a mixed material port flows into an air suction pipe, and is sent for secondary crushing through a circulating air pipe; the air suction pipe above the vibration sieve sucks plastic fibers and other dust in the space of the vibration sieve to a dust collector for treatment; the qualified copper rice grains obtained at a copper outlet flow into a packing bag; and the finished product inspection is performed, namely the obtained copper rice grains enter a warehouse through the inspection.

The invention discloses a polyvinyl chloride cleaning closed loop preparation system and method. The polyvinyl chloride cleaning closed loop preparation system comprises a chlorine absorption device, a caustic soda device, a magnesium hydroxide device, a magnesium oxide device, a calcium carbide device, an acetylene device, a VCM (Vinyl Chloride Monomer) device, a PVC (Polyvinyl Chloride) device, a C-PVC (Chlorinated Polyvinyl Chloride) device, an E-PVC (Emulsion Polyvinyl Chloride) device and a cement device, wherein the chlorine absorption device, the caustic soda device, the magnesium hydroxide device and the magnesium oxide device are connected together sequentially, a product of a front device is a raw material of a next device; the calcium carbide device, the acetylene device, the VCM device, the PVC device, the C-PVC device and the E-PVC device are also connected together sequentially, a product of a front device is a raw material of a next device; and calcium carbide slag produced by the acetylene device can be recycled as a raw material used for producing cement. With the adoption of the system and the method, polyvinyl chloride cleaning closed loop preparation of resource, production, product, consumption, waste recycling, production, product and consumption is realized, thus driving comprehensive development of multiple resources such as chloride, sodium, coal, limestone and the like, and constructing an integral industry chain of circular economy.

The invention discloses a method for separating an m-cresol and p-cresol mixture by a liquid-phase alkylation method. According to the method, alkylation reaction between isobutene mixed gas and the m-cresol and p-cresol mixture are performed through a fixed-bed reactor under the liquid phase state, the reacted mixture is separated to obtain metacresol and paracresol, the isobutene mixed gas serves as an alkylating agent, the m-cresol and p-cresol mixture serves as a raw material, the alkylation reaction is performed for the alkylating agent and the m-cresol and p-cresol mixture, and the treated mixture is separated to obtain pure metacresol and pure paracresol. The method overcomes the shortcomings of low utilization rate and serious environmental pollution of alkylating agents in gas-phase alkylation reaction in the prior art and solves the problems that production cost is high as high-purity isobutene serves as the alkylating agent in the gas-phase alkylation reaction.

The invention discloses a cascade utilization battery pack group control method and system. The method comprises the following steps: I, acquiring battery pack group electrical data; II, judging whether to enter a discharging or charging mode according to the electrical data, and entering the next step if the discharging mode is entered; III, comparing the voltage of the first battery pack group with the voltage of the second battery pack group, discharging the first battery pack group if the voltage of the first battery pack group is greater than the voltage of the second battery pack group,otherwise discharging the second battery pack group; IV, comparing the voltage of the first battery pack group with the voltage of the second battery pack group once again, and discharging the first battery pack group and the second battery pack group in parallel if the voltage of the first battery pack group is the same as the voltage of the second battery pack group; and V, when one of the firstbattery pack group and the second battery pack group is detected to be lower than a discharging threshold, terminating discharging of the group, and ending discharging of the battery pack groups tillthe other battery pack group is also detected to be lower than the discharging threshold. The system is provided with two battery pack groups which are connected in parallel.

The invention relates to building block ready-mixed mortar and a production method thereof. The building block ready-mixed mortar is characterized by comprising the following raw materials in parts by weight: 60-70 parts of artificial sand, 12-13 parts of cement, 10-12 parts of grade II coal fly ash, 0.5-1 part of cold soluble polyvinyl alcohol powder and 0.1-0.5 part of additive. The building block ready-mixed mortar provided by the invention can significantly improve adhesion, tensile adhesive strength, compressive strength, impermeability, anti-crack property, shrinkage reduction, water retention rate and other performances of building blocks and simultaneously has excellent working performances and other excellent construction performances and is easy for pumping and compacting.

The invention relates to a resourceful treatment method of sludge from a sewage plant. The resourceful treatment method comprises the steps of firstly separating organic substances from inorganic substances in sludge from the sewage plant by catalytic hydrolysis under the conditions of the temperature of 130-150 DEG C and the pressure of 0.2-0.5MPa to obtain an aluminum-iron-containing solid and an organic waste solution; finally carrying out resourceful treatment respectively: pumping the organic waste solution into an anaerobic reactor, carrying out an efficient anaerobic reaction for 24 hours at 35 DEG C to obtain methane, a liquid organic fertilizer and granular sludge, drying the aluminum-iron-containing solid, grinding and sieving to obtain sludge powder, adding 5mol / L of hydrochloric acid into the sludge powder, reacting at 90 DEG C for 1-2 hours, standing and taking the supernatant, adjusting pH of the supernatant to 2.5-4 and curing at 50-60 DEG C for 12 hours to obtain a polyaluminum ferric chloride flocculant. The resourceful treatment method disclosed by the invention is simple in process, low in cost and high in economic and social benefits. The zero discharge of sludge in the sewage plant and clean production can be achieved and the method can be widely used in the resourceful treatment of sludge in the sewage plant.

The invention discloses a method of purifying biogas into natural gas, and is characterized in that after the biogas is subjected to sulfur removal, washing, carbon removal, impurity removal and drying, the content of methane is up to more than 93%, and the biogas reaches standard requirements of the natural gas for vehicles.

The invention discloses an intelligent assembly robot for wall panels. The intelligent assembly robot for wall panels comprises a chassis (1), a middle frame (2) and an upper frame (3). The upper frame (3) is hinged to the middle frame (2) through hinges A (5). An upper turning hydraulic cylinder (6) is disposed between the upper frame (3) and the middle frame (2). The upper frame (3) is provided with a gripping plate (7), a front end clamp plate (8) and a rear end clamp plate (9). A front frame bar B (15) of the middle frame (2) is hinged to the chassis (1) through hinges B (16). A middle turning hydraulic cylinder (17) is disposed between the middle frame (2) and the chassis (1). A travelling mechanism is disposed on the lower portion of the chassis (1). The intelligent assembly robot for wall panels has the advantages that manual operation is replaced by mechanical operation, mounting efficiency and labor security are improved, and labor intensity is reduced; the double-tier structure is adopted, the hydraulic technology is adopted, reliability is high, exerted force is large, control is facilitated, and the functions of gripping, transporting and placing partition boards are successfully realized.

The invention provides a cement foundation composite stone. The composite stone comprises a cement foundation layer and a composite surface layer which is formed on the cement foundation layer and combined with the cement foundation layer, wherein, the composite surface layer contains resin materials and fillers, and the resin materials provide a binding force with the cement foundation layer. The novel cement foundation composite stone can achieve various extra effects, such as cleaning, fire-proof, anti-sliding, fungi-proof and anti-static effects. According to the cement foundation composite stone, leftovers of natural stones can be used, the stone utilization rate is improved, and the circular economy and the resource protection are facilitated.

The invention discloses a continuous production method of DL-homocysteine thiolactone hydrochloride. The method comprises the following steps: (1) continuously introducing DL-methionine as a raw material and 15-18 mol / L sulfuric acid into a liquid-liquid phase micro-channel reactor, carrying out a reaction to generate DL-homocystine, continuously introducing the DL-homocystine-containing reactionliquid flowing out of the liquid-liquid phase micro-channel reactor and hydrochloric acid into the cathode chamber of a plate-and-frame electrolytic cell, carrying out a reduction reaction on the DL-homocysteine in a hydrochloric acid system at a cathode by using graphite electrodes as the cathode and an anode to generate DL-homocysteine hydrochloride, and continuously flowing the DL-homocysteinehydrochloride-containing catholyte back to a the liquid-liquid phase micro-channel reactor, carrying out a reaction, continuously and circularly reacting until the reaction is complete, and collectingthe catholyte after the reaction is completed; and (2) carrying out impurity removal treatment on the catholyte collected in the step (1), and carrying out dehydration condensation to obtain the DL-homocysteine thiolactone hydrochloride. According to the method, the product yield is increased, the product purity is high, and the domestic medicine standard is met.

The invention provides a building ground lightweight dry mixed material, and a preparation and an application method thereof. The building ground lightweight dry mixed material comprises aggregates and powder, the aggregates are polystyrene foam particles, and the powder comprises cement, and also comprises one or more of sands, a mineral admixture and an additive. The building ground lightweight dry mixed material has the advantages of simple components, easily available raw materials, and light weight. The building ground lightweight dry mixed material can be used to construct ground cushions or ground slope making layers, and the obtained ground cushions or ground slope making layers have the advantages of light weight, shock resistance, heat insulation, sound insulation and stability.

The invention discloses red mud modified PP (polypropylene) composite and a method of using the same to produce a double-wall bellows; the component is composed of the following components according to parts by weight: 100 parts of propylene mixed resin, 60-80 parts of red mud powder, 10-20 parts of anti-impact agent, 0-10 parts of a compatibilizer, 0-10 parts of a defoaming agent, and 0-10 parts of other aids; the red mud powder is added into a mixing kneader and rotated at a controlled speed of 1000 r / m at a temperature of 100-110 DEG C for 2-5 min; calcium stearate and solid filler aligning agent P2010 are added and stirred for 5-10 min; kneading temperature is lowered to 48-52 DEG C, the polypropylene mixed resin, the compatibilizer, the anti-impact agent are added and mixed with erucamide, and the red mud modified PP composite is then added into a double-master conical twin-screw apparatus to extrude a pipe, and the pipe is molded, vacuum-processed, cool-formed, cut and packaged to obtain the double-wall bellows. The double-wall bellows produced herein has high rigidity and toughness, the red mud has good flowability in PP material and is easy to process, low in cost and environment-friendly.

The invention discloses an architectural paint and preparing method with pearl case powder, which comprises the following steps: 1) grinding pearl case; 2) adding polyvinyl alcohol in the hot water; stirring to prepare the polyvinyl alcohol solution; 3) adding methylol cellulose in the water; stirring evenly to add ammonia; stirring to prepare transparent viscous methylol cellulose solution; 4) blending polyvinyl alcohol solution, methylol cellulose solution, aliphatic acid ethylene ester and vinyl acetate copolymer to form emulsion slurry; 5) mixing pearl case powder or pearl case powder and 68-78% stone powder, 18-29% emulsion and 0.1-4% formaldehyde to make the product.

The invention discloses a wallboard assembling robot which comprises a vehicle frame (1). A lifting frame (2) is arranged in a guide rail A (7) of the vehicle frame (1), and a piston rod of a lifting hydraulic cylinder (9) is fixedly connected with the lifting frame (2). A sliding frame (3) is arranged in a guide rail B (10) of the lifting frame (2), and a lifting chain A (13) which is fixedly connected to a stand column (6) is fixedly connected with the sliding frame (3) by winding around a guiding chain wheel A (12) of the lifting frame (2). A lifting seat (4) is arranged in a guide rail C (14) of the sliding frame (3) in a sliding mode, and a lifting chain B (16) which is fixedly connected with the stand column (6) is fixedly connected with the lifting seat (4) by winding around a guiding chain wheel B (15) of the sliding frame (3). A hanging basket (5) is connected with the lifting seat (4). The wallboard assembling robot has the advantages of being capable of improving installation efficiency and degree of labor safety and reducing labor intensity, simple in structure, easy to maintain, convenient to operate, safe, reliable, and capable of achieving high lifting.

The invention provides a toughened scratch-resistant ABS / PET alloy and a preparation method thereof. The toughened scratch-resistant ABS / PET alloy is prepared from, by weight, 65-85 parts of ABS resin, 15-30 parts of PET resin, 0-6 parts of a scratch-resistant modifier, 0-8 parts of a toughening modifier, 0-5 parts of a compatilizer, 0-0.5 part of an antioxidant, 0-1 part of a lubricating dispersant and 0-2 parts of a filler. The toughened scratch-resistant ABS / PET alloy is simple in processing technology, low in production cost and simple in application mode; a forming processing technology of the toughened scratch-resistant ABS / PET alloy is the same with that a common ABS / polyester alloy material; and silicone rubber and silicone are synchronously adopted to improve the performance of the ABS / PET alloy. Compared with a traditional ABS / PET alloy material, the ABS / PET alloy material is excellent in toughness and surface scratch resistance, the application range of the ABS / PET alloy material is greatly expanded, and the ABS / PET alloy material can also be used for recycling mineral water bottle PET materials and is beneficial to cyclic economy.

The invention adopts the technical scheme as follows: a potassium-enriched organic slow-release compound fertilizer comprises the following components: 1-3% of amino acid chelated microelement, 1-5% of humic acid, 0.1-0.5% of nitrogen-fixing bacteria, 0.2-1.5% of pesticide, 1-4% of water-soluble organosilicone, 15-35% of urea, 2-8% of ammonium dihydrogen phosphate, 1-5% of nitrogen-pyridine, 1-5% of plant ash and the balance of crushed straw, wherein the amino acid chelated microelement provides metal microelements for crop growth; the humic acid improves the fertilizer efficiency, improves soil, stimulates the crop growth and improves the quality of agricultural products; the nitrogen-fixing bacteria increase the using efficiency of nitrogen element and improve the fertilizer efficiency; the pesticide avoids a plague of insects; the organosilicone adsorbs the fertilizer to form slow release to a certain degree; the urea provides a nitrogen fertilizer for crops; the ammonium dihydrogen phosphate provides a phosphate fertilizer and a nitrogen fertilizer for the crops; the nitrogen-pyridine plays a nitrogen-fixing role, reduces the loss of the nitrogen fertilizer and enhances the fertilizer efficiency; the plant ash provides potassium and other microelements for the crops and enhances the fertilizer efficiency; the crushed straw is a basic fertilizer of the potassium-enriched organic slow-release compound fertilizer. The potassium-enriched organic slow-release compound fertilizer is conducive to circular economy, helps to reduce the using amount of a conventional fertilizer, and can recuperate soil.

The invention discloses a grain production and water environment protection circulation system for modern agriculture and belongs to the technical field of agriculture and environment. A large livestock breeding base and a large slaughter deep processing base convey livestock manure and offal into a large industrial biogas center; the large industrial biogas center is combined with an urban waste processing center to send biogas slurry and biogas residue to a biogas slurry processing center and a biogas residue processing center, and then converts the biogas slurry and the biogas residue and sends the biogas slurry and the biogas residue to an organic fertilizer production base; produced organic fertilizers are sent into a modern pollution-free agricultural production base; and fuel and raw materials which are processed through the large industrial biogas center are sent to a biodiesel raw material center and a biogas and ethanol fuel raw material center. The agricultural circulation can be developed towards targets of two zero growths which are agricultural resource and agricultural energy consumption zero growth and agroecological environment degradation rate zero growth zero growth, and thus an agricultural development model of efficient sustainable use of the agricultural resources and virtuous circle of the ecological environment is adopted positively.

According to the technical scheme, the invention provides an organic compound fertilizer with an insecticidal function. The organic compound fertilizer comprises the following components: 1-3% of amino acid chelated microelements, 0.2-1.5% of an insecticide, 3-10% of kieselguhr, 15-35% of urea, 1-3% of water-soluble fiber PVA, 1-5% of nitrogen-pyridine and the balance of crushed straw, wherein the amino acid chelated microelements are used for providing metal microelements for plant growth; the compound fertilizer contains multiple organic matters, so that multiple injurious insects are caused, and assist of a certain insecticide is needed to avoid the plague of insects; the kieselguhr is used for adsorbing the fertilizer and forming a certain degree of slow release; the urea is used for providing crops with a nitrogen fertilizer; the water-soluble fiber PVA plays a role of a binder, is used for attaching the nitrogen fertilizer on the kieselguhr to strength the adsorbability of the kieselguhr, and is more beneficial to slow release and increase of the fertilizer efficiency; the nitrogen-pyridine is used for playing a role in fixing nitrogen, reducing loss of the nitrogen fertilizer and increasing the fertilizer efficiency; and the crushed straw belongs to a basic fertilizer and is beneficial to circular economy and beneficial to reduction of the dosage of a traditional fertilizer, so that the soil can be able to rehabilitate.

The invention relates to a method for preparing biogas by anaerobic digestion of sludge and the obtained biogas, and the method comprises the step of carrying out digestion reaction on fresh sludge, inoculated sludge and biochar under a closed anaerobic condition to obtain the biogas and first digested sludge. The method for preparing the biochar by pyrolyzing the digested sludge, provided by the invention, is simple to operate and low in cost, and the prepared biochar has a good effect of enhancing anaerobic digestion to produce biogas; the method is also beneficial to reducing the environmental pollution problem of the sludge, and can realize the resource utilization of the sludge.

The invention relates to an alga-based organic slow-release compound fertilizer which comprises the following components: 1-3% of alga, 1-3% of tobacco dust, 2-5% of plant ash, 1-5% of fulvic acid, 0.1-0.5% of azotobacter, 15-35% of isobutydine-diurea-coated urea, 2-8% of isobutydine-diurea-coated ammonium dihydrogen phosphate, 1-5% of nitrogen-pyridine, 0.1-0.5% of triacontanol, 0.1-0.5% of 2-diethyl aminoethyl hexanoate, 0.1-0.5% of sodium indolebutyrate and the balance of pulverized straw. The alga is used as an organic matter fertilizer and corrosion inhibitor; the plant fibers and lignin in the tobacco dust are utilized to provide organic fertilizers; the plant ash provides a potash fertilizer and minor elements for the compound fertilizer; the fulvic acid enhances the effects of the fertilizer, improves the soil, stimulates the plant growth and improves the agricultural product quality; the azotobacter performs the nitrogen fixing function; the urea is coated in the isobutydine diurea to have the slow-release effect; the ammonium dihydrogen phosphate is coated in the isobutydine diurea to have the slow-release effect; the nitrogen-pyridine performs the function of nitrogen fixation; and the combination of the triacontanol, 2-diethyl aminoethyl hexanoate and sodium indolebutyrate is used as a growth regulator. The alga-based organic slow-release compound fertilizer belongs to a base fertilizer.

The invention discloses coated type organic slow-release compound fertilizer which is prepared from the following components: 1% to 3% of poultry manure, 1% to 5% of humic acid, 0.1% to 0.5% of nitrogen-fixing bacteria, 0.2% to 1.5% of pesticide, 1% to 4% of water-soluble organic silicon, 15% to 35% of isobutylidene-diurea coated urea, 2% to 8% of isobutylidene-diurea coated ammonium dihydrogen phosphate, 1% to 5% of nitrogen-pyridine, 0.1% to 0.5% of ferrous sulfate and the balance of smashed straw, wherein the poultry manure can provide organic matter and microelements for the fertilizer; the humic acid can achieve fertilizer synergia, improve soil, stimulate crop growth and improve the quality of agricultural products; the nitrogen-fixing bacteria have a nitrogen fixing effect; as the compound fertilizer contains a lot of organic matter and can attract more pests, the certain pesticide assistance is needed to avoid plague of insects; the organic silicon can absorb the fertilizer to form certain-degree slow release; urea is coated by isobutylidene-diurea to achieve a slow-release effect; ammonium dihydrogen phosphate is coated by the isobutylidene-diurea to achieve a slow-release effect; the nitrogen-fixing pyridine can achieve a nitrogen fixing effect; as the poultry manure is added, the ferric sulfate serves as a deodorant to be added; the smashed straw serves as base fertilizer of the coated type organic slow-release compound fertilizer.

The invention belongs to the technical fields of organic synthesis and chemical industry, and relates to a method for preparing levulinic acid from chitin or chitosan directly by catalytic conversion. The method comprises the following steps: evenly mixing and heating a reactant containing chitin or chitosan, an acidic ionic liquid and a solvent, and extracting the reaction solution to obtain the levulinic acid, wherein the yield exceeds 80%. The chitin or chitosan contained in shrimp and crab shells and various sources of biological wastes is directly subjected to one-step catalytic hydrolysis to obtain the platform chemical levulinic acid which is applicable to fine chemical engineering production; and thus, the invention provides a renewable resource utilization technique capable of changing wastes into valuable substances. In the catalytic hydrolysis process, the acidic ionic liquid is used instead of the sulfuric acid or any other highly-corrosive inorganic acid as the catalyst, and thus, conforms to the requirement of green chemistry, thereby avoiding the problems of device corrosion, difficulty in recovering acid liquor and the like. The ionic liquid catalyst can be completely recovered and recycled. The invention opens up a brand-new efficient, economic and environment-friendly way for utilizing waste shrimp and crab shells and other aquatic product wastes as well as seafood kitchen wastes.

The invention discloses a soil remediation agent. The soil remediation agent is prepared from the following components in parts by mass: 10 to 20 parts of cow dung, 10 to 20 parts of sheep manure, 10to 20 parts of straws, 10 to 20 parts of vinasse, 10 to 15 parts of calcium superphosphate, 1 to 5 parts of molasses, 5 to 10 parts of humic acid, 1 to 5 parts of bacillus, 1 to 5 parts of lactic acidbacteria, 1 to 5 parts of zymophyte, 1 to 5 parts of photosynthetic bacteria and 10 to 20 parts of one or a combination of shell powder and oyster powder. The soil remediation agent disclosed by theinvention has the beneficial effects that (1) by reusing the cow dung and the sheep manure and wastes such as the straws, the circular economy is promoted, and remediation of soil is also completed; (2) by adding one or the combination of the shell powder and the oyster powder, mineral substances in the soil are effectively supplemented, so that the mobility of heavy metals is effectively reduced,and the concentration of heavy metal ions in the soil is obviously reduced; (3) by adding the molasses, the humic acid and the vinasse, reproduction and metabolism of microorganisms are promoted, theeffects of the microorganisms are strengthened, and degradation of organic pollutants by the microorganisms is promoted.

The invention relates to a coating for anti-camouflage dark green coils, comprising the following components in percentage by weight: 45-60% of polyester resins, 6-8% of amino resins, 20-30% of special pigments, 0.1-0.5% of catalyst and 10-25% of mixed solvent, wherein, the special pigments include titanium dioxide powder, a yellow pigment, a green pigment and a black pigment. The invention also provides a preparation method and application of the coating. The polyester resins and the amino resins are crosslinked and the pigments with the infrared camouflage function are used in a matched manner to meet the requirements of outdoor camouflage for the functions of colors. The coating is coated through production line, is convenient for construction after coating, can be used for reprocessing of the steel plates and reduce the pollution caused by solvent volatilization to the environment during film forming and is beneficial to the national recycling economy.

The invention relates to a method of recovering Pt or Ag or Pt and Ag from a sulfate solution on an electrode. In particular, the invention concerns a method for recovering Pt or Ag or Pt and Ag from base metal bearing process solution, particularly from a hydrometallurgical sacrificial metal bearing solution containing Zn and / or Ni. In general, the method of the present invention can be used for recovery of precious metals, which are dissolvable in sulfuric acid, from sulfate media based solutions. In addition to Pt and Ag, especially Pd should be mentioned.Deposited precious metal(s) can be recovered from the electrode or the deposition containing electrode can be used as such.

The invention discloses a semiochemical compound color plate and a preparation method thereof. The semiochemical compound color plate comprises a substrate provided with colors, wherein the surface of the substrate is coated with insect gluing viscose, and the insect gluing viscose is formed by mixing sticky mucilage glue and appropriate semiochemicals according to a certain proportion. The synergistic action of the semiochemicals and visual information to food taking, oviposition and other actions of insects is utilized to optimize the color wavelength of each insect, semiochemical components are combined with a viscose plastic (PP (polypropylene), PVC (polyvinyl chloride) or PE (polyethylene)) or paper color plate to prepare the semiochemical compound color plate, the short distance ofthe visual information is overcome, the trapping efficiency and the trapping range are greatly increased, and male and female injurious insects can be trapped. The semiochemical compound color plate can be used for trapping aphids, aleyrodids, liriomyza sativae, diamond back moths, empoasca vitis, aleurocanthus spiniferus, thrips and various other hemiptera, homoptera, lepidoptera and diptera injurious insects, particularly insects hidden under leaf surfaces or in the shadow. The utilization efficiency of the color plate is greatly improved, and the dosage of the color plate is reduced so as to reduce the cost.

The invention discloses a technological method for producing copper rice grains by recovering waste wires and cables based on an improvement of the prior production mode that the waste wires and cables recover copper raw materials. The technological method has low cost, small energy consumption, less discharge and no waste pollution, meets the requirement of circular economy development, and can obtain a copper rice grain product the purity of which reaches 99.9 percent. The technological process comprises the steps of classification inspection, loading, primary crushing, secondary crushing, and vibration separation; the angle of a vibration sieve is adjusted according to the content of copper and the wire diameter, and the copper rice grains and plastic are subjected to optional separation through vibration sieving; a material from a mixed material port flows into an air suction pipe, and is sent for secondary crushing through a circulating air pipe; the air suction pipe above the vibration sieve sucks plastic fibers and other dust in the space of the vibration sieve to a dust collector for treatment; the qualified copper rice grains obtained at a copper outlet flow into a packing bag; and the finished product inspection is performed, namely the obtained copper rice grains enter a warehouse through the inspection.

The invention relates to a method for preparing flocculant, fertilizer and methane with sludge containing algae, which relates to a process for turning the sludge containing algae into resources. First, a hydrothermal oxidation technology is adopted to separate organic matter and inorganic matter in the sludge containing algae under the conditions of 150 to 180DEG C of temperature and 0.8 to 1MPaof pressure to obtain brown organic residual waste liquid and solid sludge containing aluminum and iron inorganic matter; and then the solid sludge is dried, ground and screened; hydrochloric acid isadded into screen underflow to react for 1 to 2h at 90 to 100DEG C, and stays still; the pH value of a supernatant is regulated to 2.5 to 4, and the supernatant is cured for 12h at 50 to 60DEG C to obtain a PAC iron liquid product; the PAC iron liquid product is dried, and a PAC iron solid product is obtained; and the pH value of the organic residual waste liquid is regulated to 8 to 9, and the organic residual waste liquid enters an upflow anaerobic sludge bed reactor to react for 24h at 35DEG C to obtain granular organic fertilizer and combustible gas with 65 percent of methane content. Themethod for preparing flocculant, fertilizer and methane with algae-containing sludge has the advantages of simple process, low cost and high economic and social benefit, and can be widely applicable to the zero algae-containing sludge discharge and the clean production of sewage plants which treat lake sewage polluted by algae.