56results about How to "Well-developed void structure" patented technology

The invention provides a multiphase wet oxidation catalyst, in which noble metal elements, which are selected from one or more than one of the group consisting of platinum, ruthenium, rhodium, iridium and aurum, are taken as active components; and rare earth elements, which are selected from one or more than one of the group consisting of lanthanum, cerium, praseodymium and neodymium, are taken as auxiliary components; the active components and the auxiliary components are carried on a ceramic-activated carbon carrier, wherein the content of activated carbon accounts for 1 to 15% of the totalweight of the ceramic-activated carbon carrier, and the weight of elements in the active components and the auxiliary components accounts for 0.25 to 5% of the weight of the activated carbon respectively. The invention further provides a preparation method and uses thereof. The catalyst of the invention is particularly suitable for the treatment of high-concentration organic waste water which is hardly degraded.

The invention discloses a preparation method for a papermaking argillaceous activated carbon adsorption material. The preparation method comprises the following steps of concentrating, squeezing and drying biochemical sludge from a pulping and papermaking wastewater treatment plant until the water content is below 10 percent, and grinding, sieving and retaining sludge particles with the average grain diameter of 200 meshes; adding the sludge particles into an activating agent for activating treatment, and then performing dewatering and drying; placing the dried sludge particles into a pyrolyzing furnace; by taking nitrogen gas as protective gas, performing carbonizing treatment on the nitrogen gas under an anaerobic condition; washing a product subjected to the carbonizing treatment with a hydrochloric acid solution and then washing the product with distilled water to be neutral, and drying, grinding and sieving to prepare the papermaking argillaceous activated carbon adsorption material. The preparation method disclosed by the invention is simple, and breaks through a traditional technique of preparing activated carbon from coal and wood; the cost of raw materials is low, so that the contradiction that wood and energy in China are in shortage is alleviated; besides, the preparation method also opens up a new path for treating solid papermaking wastes.

The invention discloses a method for preparing biochar by using blue algae, which comprises the following steps: 1. preparing raw materials; 2. freeze-dry; 3. carbonization; 4. granulation. Biochar prepared by utilizing that method for preparing biochar from blue algae of the present invention is a carbon-rich solid by-product remaining after pyrolysis of biomass in an anaerobic or hypoxic state.Because of its high carbon content, well-developed pore structure and good corrosion resistance, it can retain water, nutrients, adsorb organic matter, heavy metals and other pollutants, and is an ideal soil improver and adsorbent, and can slow down greenhouse benefit, improve soil, increase crop yield and reduce environmental pollution. Biochar is an ideal adsorbent because of its well-developedpore structure and abundant surface functional groups, which can remove organic matter and heavy metals, especially heavy metals.

The invention discloses a method to plant Medicago sativa in saline-alkaline soil and improve soil and fertilizer condition. The method comprises: applying an improving fertilizer, plowing, performingrotary tillage and leveling the land, sowing, managing the field, and harvesting, wherein the improving fertilizer is made from desulfurization gypsum, activated carbon, flyash, plant stalk granules,bentonite, zeolite, urea, ammonium phosphate, blast furnace slag particles and a microbial agent having a weight ratio of (30-40):(10-14):(6-10):(16-18):(8-12):(4-8):(3-5):(3-5):(4-6):(1-3). saline-alkaline soil is improved by taking the measures such as saline-alkaline soil improving fertilizer and planting Medicago sativa, the survival rate and yield of Medicago sativa are high, the improving of the whole saline-alkaline soil is excellently effective, and the improving process is green and free of pollution. Therefore, the method is an application technique worthy of wide popularization.

The invention discloses a carbon-phenolic foam composite material, which is prepared by mixing and then foaming the following raw materials in parts by weight: 100 parts of foamable phenolic resin, 1-8 parts of surfactant, 8-20 parts of curing agent, 5-20 parts of foaming agent and 5-10 parts of carbon powder. The invention provides the carbon-phenolic foam composite material, by which the service environment of a user can be relatively safer.

The invention discloses a preparation method of a high-adsorption heavy metal ion adsorbent and belongs to the technical field of adsorbent preparation. According to the method, firstly, adsorption treatment of heavy metals in wastewater is facilitated by the fact that bentonite has the characteristics of larger specific surface area, ion exchange capacity and better adsorptive property; then removal of cutin and wax coat on the cell wall surface is facilitated by the fact that banana peel and shaddock peel are jointly modified with an alkaline solution; the structure becomes looser and the adsorptive property of the adsorbent is improved by the fact that the alkaline solution can damage chemical bonds between cellulose; active functional groups on the surface of the adsorbent can increasewith increase of feeding amount, the larger the surface area is, the more the adsorbed heavy metal ions are, a large quantity of alkaline groups are provided to be subjected to a reaction with the heavy metal ions, the heavy metal ions are jointly adsorbed by activated carbon and self-made adsorbing mixed peel, the active functional groups are subjected to complexation with the heavy metal ions,the adsorptive property of the heavy metal ion adsorbent is further improved, and the heavy metal ion adsorbent has extensive application prospect.

The invention discloses a water treatment compound agent for removing organic pollutants in an oxidation mode with high-activity singlet oxygen and a water treatment method of the water treatment compound agent, and relates to water treatment agents and methods for removing pollution in oxidation modes. The problems that when the singlet oxygen is produced through a photosensitization method, a light source needs to be added, secondary pollution is generated, and the use efficiency of the singlet oxygen in a chemical method is low are solved. The water treatment compound agent is composed of bleaching powder, inorganic solid peroxide and powdered activated carbon, and the mass ratio of the bleaching powder to the inorganic solid peroxide to the powdered activated carbon is (1-10):1(1-10). According to the water treatment compound agent, hypochlorite ions provided by the bleaching powder reacts with hydrogen peroxide slowly released after the peroxide is dissolved in water to generate the high-activity singlet oxygen, and through a micro-interface provided by the powdered activated carbon, the self-decomposition of the singlet oxygen can be restrained, the survival time of the singlet oxygen can be prolonged, and the use ratio of the singlet oxygen is improved. The water treatment compound agent is high in efficiency of removing the organic pollutants in the oxidation mode, cannot generate poisonous and harmful by-products, and is convenient to transport and store and more suitable for emergency treatment.

The invention discloses a method for planting lycium ruthenicum in saline-alkali soil and improving soil and fertilizer statuses. The method comprises the steps: improving fertilizer addition and landpreparation; ridging; timely seeding; field management; shape pruning; and harvesting and processing, wherein an improving fertilizer comprises desulphurization gypsum, activated carbon, coal ash, poultry excrements, zeolite, potassium feldspar, felt fiber and blast furnace slag particles which are in the weight ratio: (40-50):(10-14):(8-12):(8-12):(4-8): (4-8):(4-8):(4-6). In the method, the lycium ruthenicum is planted by improving the saline-alkali soil by using the improving fertilizer and a drip irrigation system, the survival rate and yield of the lycium ruthenicum are high, the effecton improving the whole saline-alkali soil is remarkable, and the improving process is green, environment-friendly and pollution-free. Therefore, the method is an application technology worthy of beingpopularized on a large area.

The invention discloses an expansion-resistant nano building material for preventing smog and a preparation method of the expansion-resistant nano building material. The expansion-resistant nano building material is prepared from the following raw materials in parts by weight: 50 to 70 parts of active carbon, 12 to 20 parts of montmorillonite, 5 to 12 parts of nano titanium dioxide, 3 to 7 parts of silicon dioxide, 1 to 10 parts of gamma-aminopropyltriethoxysilane, 6 to 12 parts of hydroxypropyl methyl cellulose and 5 to 10 parts of oligomerization 3-aminopropyltriethoxysilane. The added nitrile rubber modified phenolic resin is mixed with raw materials to be cured by heating, and the molten resin is converted rapidly from a linear structure to a non-molten mass structure under the effect of methylene separated from methenamine; and the mechanical performance is improved, so that the expansion-resistant nano building material has high temperature resistance and low expansion performance. The expansion-resistant nano building material has the characteristics of high adsorption capacity, relatively good thixotropy, heat stability, plasticity, viscosity, high dry pressure and the like. By adding reinforcing agents such as coal gangue, conductive mica powder and nano conductive graphite powder, the heat aging resistance and crack resistance can be improved, so that the casting efficiency can be improved, and the casting cost can be reduced.

The invention discloses a multifunctional ecological agriculture planting greenhouse which comprises a foundation, wherein vertical rods are fixedly arranged at the top of the foundation; cross bars are fixedly arranged at the top of the vertical rods; support rods are fixedly arranged at the top of the cross bars; inclined support rods which are located at the top of the cross bars are fixedly arranged on the inner side of the support rods; top rods which are located at the top of the cross bars are fixedly arranged on the inner side of the inclined support rods; a greenhouse bracket which is located at the top of the foundation is fixedly arranged at the top of the top rods; a heat-insulating film is fixedly arranged on the outer side of the greenhouse bracket; heat-absorbing plates are fixedly arranged at the top of the heat-insulating film; solar panels which are located at the top of the heat-insulating film are fixedly arranged on side walls of the heat-absorbing plates; a filtering layer is fixedly arranged at the top of an inner chamber of the foundation. The multifunctional ecological agriculture planting greenhouse can effectively guarantee the utilization and saving of electric energy, can effectively utilize and store the water resource, can effectively and uniformly distribute the water resource, can supply the water resource to the crops at constant speed and can guarantee the growth of the crops.

The invention relates to a preparation method of a three-dimensional graphene-based membrane capacitive deionization electrode, which belongs to the technical field of membrane capacitive deionization electrode manufacturing processes. With electropositive polystyrene spheres as a template, and by adopting the method of vacuum filtration-assisted self-assembly, the method obtains three-dimensional graphene through freeze drying and high-temperature calcination, and the three-dimensional graphene is then activated by concentrated nitric acid, and aryl diazonium salt and 3-amino propyl-triethoxysilane are respectively used for sulfonating and aminating the activated three-dimensional graphene, and thereby the three-dimensional graphene has ionic selectivity, and can effectively increase the deionization performance and electrode regeneration performance when used in membrane capacitive deionization. The process of the preparation method is fast and simple, and the cost is low; the three-dimensional graphene-based membrane capacitive deionization electrode can be applied in the desalination of seawater and bitter salt water, and a new approach is provided for low-energy-consumption, low-cost and high-performance desalination.

The invention belongs to the field of biomass energy and solid waste resource utilization, and particularly relates to a method for preparing aromatic hydrocarbons by catalyzing pyrolysis of wood-plastic composite waste through activated carbon. According to the method, wood-plastic composite waste is used as a raw material, the activated carbon is used as a catalyst, and the activated carbon is prepared from biomass through a phosphoric acid activation method. The raw material and the catalyst are respectively put into a fixed bed reactor, catalytic pyrolysis in an inert gas atmosphere is performed, and pyrolysis gas is condensed to obtain a liquid product rich in aromatic hydrocarbons. The disclosed method provides a new way for resource utilization of the wood-plastic composite materialwaste, and meanwhile, the cheap and readily available biomass activated carbon is used as the catalyst, so that good environmental benefits and economic benefits can be generated.

The invention discloses an ageing-resistant nano modified environmental-friendly master batch plastic and a preparation method thereof. The plastic comprises the following raw materials in parts by weight: 12-25 parts of butylene terephthalate, 10-15 parts of a tetrafluoroethylene-hexafluoropropylene copolymer, 10-20 parts of an acrylonitrile styrene acrylate copolymer, 60-80 parts of polycarbonate, 10-15 parts of nano barium carbonate, 20-25 parts of aramid short fibers and 2-10 parts of silicon carbide wafers. As molecules of chitosan have positive charges, the plastic can adsorb bacteria with negative charges, so that the plastic has a sterilizing function. Fiber membrane layers of different diameters and porosities are prepared structurally, the porosity and specific surface area of a compound adsorption membrane are improved by combining nanographene among layers, and the function is enhanced.

The invention provides an attapulgite-stabilization pond combined reactor and a low-temperature domestic sewage advanced treatment method thereof, relating to the field of sewage treatment, particularly a low-temperature domestic sewage advanced treatment reactor and method. The invention aims to solve the problems of high investment, high energy consumption and low efficiency in the existing rural domestic sewage treatment method in severe cold regions. The attapulgite-stabilization pond combined reactor is composed of a drop system, a facultative pond water inlet system, a facultative pond water treatment system, a facultative pond water outlet system, an aerobic pond water treatment system and an aerobic pond water outlet system. The method comprises the following steps: 1. inoculating, and culturing; 2. enriching dissolved oxygen; 3. starting the facultative pond reactor; 4. starting the aerobic pond reactor; and 5. automatically operating the stabilization pond reactor, thereby completing the low-temperature domestic sewage treatment. The reactor and method are mainly used for treating low-temperature domestic sewage.

The invention relates to a high-capacity rapid charge-discharge graphene lithium ion battery and a synthesis process thereof. The synthesis process comprises the following steps: preparing a graphenecoated hard carbon/tin microsphere composite material, preparing negative electrode slurry, preparing a negative electrode sheet, and assembling the lithium ion battery. According to the synthesis process provided by the invention, loofah sponge is used as a load, a tin source precursor is embedded into the activated loofah sponge gaps, the activated loofah sponge is carbonized to tin-loaded hardcarbon sphere through spray calcination, the graphite in the gas is coated on the hard carbon sphere in the air in the spray process to form the graphene coated hard carbon/tin microsphere composite material, the tin is embedded in the gaps of the hard carbon, the hard carbon provides an expansion space for the tin, the conductivity is improved by the coated graphene, the tin is coated in the hardcarbon to prevent the desorption of the tin and to form a tight connection, thereby improving the capacity of the lithium ion battery, enhancing the rate performance and the cycle stability, and maintaining the deactivation of active materials.

The invention discloses a MnO2-NiO active coke low-temperature denitration catalyst and a preparation method thereof. The preparation method comprises the following steps: 1) soaking active coke intoa nitric acid aqueous solution, stirring for 1-2h and then filtering, washing with deionized water till pH is 7, and drying for 12h at 100-120 DEG C; 2) preparing a soluble manganese salt and a soluble nickel salt into a mixed solution of manganese and nickel, equivalent-volume dipping the active coke acquired in step 1) into the mixed solution of manganese and nickel, stirring for 1-3h and then standing by for 24h under room temperature, drying overnight at 50 DEG C and drying for 4-5h at 110 DEG C; 3) calcining the active coke acquired in the step 2) for 2h under inert atmosphere at 300-500DEG C. The invention provides the MnO2-NiO active coke low-temperature denitration catalyst and the preparation method thereof. Active coke is taken as a carrier of the denitration catalyst; an equivalent-volume impregnation process is adopted for loading manganese and nickel active components; preparation process is simple, operation is easy and carrier source is extensive; clearance structure ofactive coke is advanced, specific surface area is large and denitration efficiency is high after activation with nitric acid.

The invention discloses a method for treating organic pollutants by utilizing a chitosan-modified activated coke in-situ supported nanogold catalyst. The method adopts the chitosan-modified activatedcoke in-situ supported nanogold catalyst to catalytically treat organic pollutants, wherein the chitosan-modified activated coke in-situ supported nanogold catalyst comprises activated coke, chitosanand nanogold particles, the surface of the activated coke is modified by the chitosan, so that a chitosan/activated coke compound is formed, and the nanogold particles are loaded on the chitosan/activated coke compound. In the invention, by adopting the chitosan-modified activated coke in-situ supported nanogold catalyst to catalytically treat organic pollutants, the organic pollutants can be quickly and thoroughly catalytically reduced within a short time, and thereby the organic pollutants are effectively degraded. The method disclosed by the invention has the advantages of simple process, easiness in operation, low treatment cost, high treatment efficiency, good treatment effect and the like, and has high application value and a wide application range.

The invention discloses a method for planting salicornia europaea and improving a soil fertility condition on saline-alkali soil. The method comprises the steps of adding of improved fertilizer for the saline-alkali soil, land finishing, sowing, field management and harvest. The improved fertilizer for the saline-alkali soil comprises desulphurization gypsum, activated carbon, fly ash, plant stalkparticles, bentonite, zeolite, urea, ammonium phosphate and blast furnace slag particles with the proportion of (30-40):(10-14):(6-10):(16-18):(8-12):(4-8):(3-5):(3-5):(4-6). According to the method,the survival rate and yield of the salicornia europaea are high, the improvement effect on the whole saline-alkali soil is improved, and the improvement process is environmentally friendly and pollution-free. Therefore, the method is an application technology which is worthy of large-area popularization.

The invention discloses a center air processor. The center air processor comprises a machine case, a filtration segment, an air channel and a draught fan, wherein the air channel comprises a horizontal air outlet segment, a sub efficient segment, an intermediate effect segment and an initial effect segment, wherein the filtration segment and the air channel are arranged in the machine case, the draught fan is arranged between the filtration segment and the air channel, a power source is arranged at the bottom of the machine case, a display screen is arranged on the surface of the machine case, the horizontal air outlet segment, the sub efficient segment and the intermediate effect segment are sequentially arranged in the machine case from top to bottom, and the initial effect segment is arranged above the power source. The center air processor is used in a villa, and a multilayer or high building, and the air channel in the center air processor filters outdoor air layer by layer, absorbs the air through activated carbon, fully filters and absorbs substances harmful to a human body and odorous gas to the utmost, achieves the purpose of preventing outdoor polluted air from invading, and simultaneously guarantees that oxygen content in the air is enough, and greatly improves the comfort level of the human body.

The invention provides a desulfurization refining method of sulfate turpentine with the ultra-low sulfur content, and relates to sulfate turpentine. The desulfurization refining method comprises the steps that the sulfate turpentine is rectified and separated through a vacuum rectifying tower to obtain pinene; the pinene is hit into a fixed bed filled with shell activated carbon to be soaked, thenthe pinene is replaced repeatedly and cyclically in the fixed bed through a circulating pump, a pinene material is released from the side line of the circulating pump, ultra-low-sulfur pinene is obtained, the fixed bed is purged through high-temperature water vapor and nitrogen, thus the activated carbon is regenerated, and the desulfurization-refined sulfate turpentine with the ultra-low sulfurcontent is obtained. The small granular shell activated carbon is adopted as an adsorbing agent, the activated carbon has a developed gas structure and is high in absorbing ability, large in strength,stable in chemical property and durable, sulphur residues in the sulfate turpentine are effectively adsorbed, material diffusion is accelerated through the circulating pump, thus materials are distributed evenly, one the one hand, the adsorbing effect of the activated carbon is enhanced, on the other hand, physical damage of stirring on the activated carbon is avoided, operation is easy, energy consumption is small, and industrial feasibility is achieved.

The invention discloses an anti-aging nano modified masterbatch carrier for controlling radiation and a preparation method thereof. The anti-aging nano modified masterbatch carrier comprises the following raw materials in parts by weight: 15-25 parts of phthalate butyl glycol ester, 10-15 parts of a tetrafluoroethylene-hexafluoropropylene copolymer, 10-20 parts of an acrylonitrile-styrene-acrylate copolymer, 60-80 parts of polycarbonate, 10-15 parts of nano barium carbonate, 20-25 parts of an aramid short fiber and 2-10 parts of silicon carbide platelets. Phthalate butyl glycol ester, tetrafluoroethylene-hexafluoropropylene copolymer and acrylonitrile-styrene-acrylate copolymer are mixed with polycarbonate, so that the toughness, the wear resistance, the chemical stability, the impact strength and the radiation resistance of the material are improved; polymer blends such as nano barium carbonate, the aramid short fiber and the silicon carbide platelets are blended and modified, so that the radiation-proof property of the material can be improved; and meanwhile, gas harmful to a human body is not generated at a relatively high temperature and the properties of the high temperature resistance and the tear resistance are perfectly fused, so that the anti-aging nano modified masterbatch carrier can be applied to various bad conditions for working.