30results about How to "Significant environment" patented technology

The present invention discloses a series-connected sludge anhydration system by utilizing waste heat of steam-power plant smoke. Said series-connected sludge anhydration system includes heat supply system, sludge pretreatment system, feeding system, sludge anhydration and granulation system and dust-removing and gas-removing system.

The invention discloses an amphibious floating island suitable for a riparian zone. The amphibious floating island comprises floating bed units and fixing devices, wherein the fixing devices are fixedly arranged along the embankment direction, a plurality of floating bed units are longitudinally and horizontally arranged along the bank, and adjacent floating bed units are in flexible connection with each other through a rope lock. The invention also discloses a construction method of a revetment applying the amphibious floating island. The construction method mainly comprises the steps of fixing the floating island at the highest water line in the riparian zone of a reservoir, and arranging emergent aquatic plants which accord with the regional characteristics of the Three Gorges reservoir region on the floating island. The floating island is simple in structure and flexible in application, and can produce a corresponding 'bending' phenomenon in the process of matching with the increase amount of water level. The emergent aquatic plants on the floating island can satisfy the requirement on improvement of the ecological environment of a water body, and afforest the bare riparian zone when the water level falls without secondary pollution, so that the amphibious floating island has an eco-friendly effect, and is especially suitable for littoral zones with great water level fluctuation.

The invention belongs to the technical field of environmental protection processing devices, and relates to an air flow and machinery double-boosting internal circulation-type high suspension solid anaerobic digestion device. The device comprises a material charging pipe, an internal cylinder section, an external cylinder section, a three-phrase separation section, a mixing section, a water discharging pipe, a sludge discharging pipe, a methane collecting pipe, a sampling detection port and the like. The material charging pipe sends suspension solid to the internal cylinder section directly; in the internal cylinder section, anaerobic sludge and the suspension solid are mixed and elevated through double power actions of generated rising methane air flow after reaction and mechanical blade boosting; then the mixed liquid goes into the three-phrase separation section; in the three-phrase separation section, waste water overflows and is discharged by the water discharging pipe, methane rises up and goes into the methane collecting pipe, the sludge settles and goes into the mixing section through the external cylinder section, part of the sludge goes into the internal cylinder section under the action of the above thrust and forms internal circulation, and the excess sludge is discharged by the sludge discharging pipe. The device can be used for processing of waste water containing high suspension solid, residual sludge, household garbage and the like. The device has remarkable social, environmental and economic benefits.

The invention relates to a method for enriching gallium from a mother-liquor in a technology for producing alumina from high-alumina fly ash, and relates to the technical fields of solid waste comprehensive utilization and ion exchange. The metal gallium is obtained by taking a spent liquor with a low gallium concentration in the technology of producing alumina from the high-alumina fly ash as a raw material, employing technologies of ion exchange and process reinforcement, performing adsorption and elution to obtain a gallium enriching liquor, further processing and performing electrolysis. Aiming at the structure characteristics of gallium in the high-alumina fly ash, the method has the advantages of being high in enriching efficiency on low-concentration gallium solution, simple in producing technology, abundant in raw material source, and substantial in economical and environmental benefits.

The invention discloses a system and method for treating haze by flue gas dried sludge. A thermal power plant boiler is sequentially connected with a first electric gate valve, a first exhausting pipeline, a multi-pipe cyclone dust remover, a second exhausting pipeline, a first draught fan, a gas outlet and a sludge drying and granulation all-in-one device; a double-spiral quantitative sludge feeding machine arranged at the bottom of a buried sludge storage cabin is sequentially connected with a spiral conveyor, a feeding hole and the sludge drying and granulation all-in-one device; a gas outlet of the sludge drying and granulation all-in-one device is sequentially connected with a third exhausting pipeline, a second electric gate valve, a dust removing device, a desulfurization device, a second draught fan, a fourth exhausting pipeline and a chimney; and a discharging hole of the sludge drying and granulation all-in-one device is sequentially connected with a sealed type belt conveyor and a finished product cabin. By virtue of the system, the pollution load is reduced, and the dust removing and desulfurization effects are improved, and particularly, almost PM2.5, which is difficult to remove by existing dust removing equipment, is adsorbed by the sludge, so that the effect of managing the haze from the source is realized.

The invention discloses a green mixed fertilizer. The green mixed fertilizer is prepared from the following raw materials in parts by weight: 80-90 parts of rape seed cake, 50-55 parts of biogas residue, 10-12 parts of tobacco waste, 20-23 parts of zeolite powder, 40-45 parts of ammonium chloride, 24-27 parts of potassium phosphate, 35-38 parts of urea, 12-14 parts of potassium sulphate, 2-3 parts of magnesium sulfate, 2-3 parts of polyethylene glycol, 1-2 parts of polyvinyl alcohol, 1-2 parts of tween 80, 3-4 parts of EM bacterial agent, 4-6 parts of film coating agent and a proper amount of water. The fertilizer, which is prepared by means of mixing organic raw materials like rape seed cake, biogas residue and tobacco waste with inorganic raw materials and then fermenting, not only has inorganic nutrients like nitrogen, phosphorus and potassium, but also has a plenty of microelements and organic substances, contains beneficial microorganism, can improve soil structure, has functions of absorbing water, retaining water and fertilizer, breathing freely and improving the ecological environment of local soil, can improve the utilization rate of the fertilizer, increase plant yield, improve plant quality, realize the high quality and yield of plants, and has remarkable social, environmental and economical benefits.

The invention discloses a ferronickel slag magnesium phosphate binding material and application thereof. The binding material is prepared from 6-12 parts of ferronickel slag, 12-25 parts of dead burned magnesia, 3-12 parts of phosphate and 1-10 parts of retarder. The ferronickel slag magnesium phosphate binding material is used in structural members requiring high strength in early age period and rush-repair work. The ferronickel slag magnesium phosphate binding material has the advantages of achieving rapid hardening and early strengthening, and being high in strength and small in shrinkage deformation, the interior structure is more compact, the porosity is low, and the durability including water tolerance is improved. Moreover, according to the ferronickel slag magnesium phosphate binding material, innocent treatment of the ferronickel slag is achieved, high-efficiency resource utilization of industrial waste residues is promoted, and on the premise that the mechanical properties of the binding material is guaranteed, the consumption of dead burned magnesia is reduced, the consumption of a non-renewable resource, namely magnesite, and energy loss are reduced, the production cost of the magnesium phosphate binding material is decreased, and therefore, economic benefits and environmental benefits are remarkable.

The invention provides red mud lightweight thermal-insulation ceramic bricks as well as application and a preparation method thereof. The ceramic bricks are prepared from the following raw materials: red mud, quartz, feldspar, kaolin, gypsum, a foaming agent and water; the red mud accounts for 70 percent of the total weight of the red mud, the quartz, the feldspar, the kaolin and the gypsum according to weight percent; the foaming agent is prepared from aluminum powder and solid sodium hydroxide; the red mud is Bayer-process red mud. The volume density of the ceramic bricks is less than or equal to 400kg / m<3>, the compressive strength is 0.5MPa or higher, the water absorption rate is 21 percent or lower, the porosity is 75 percent to 80.4 percent and the heat conductivity is less than 0.073W / m.DEG C; the non-combustion property belongs to a grade A1 building sheet material. The ceramic bricks provided by the invention are used for external thermal insulation of external walls of high-rise buildings, have good working performance and are convenient to cut and drill; a lot of the red mud can be utilized so that the problems that the stacking amount of the red mud is great and the environment is polluted are solved; secondary utilization of wastes is realized, so that the ceramic bricks have remarkable economical efficiency and environmental performance.

The invention provides a novel road surface permeable concrete product and a preparation method of the novel road surface permeable concrete product. The permeable concrete product is prepared from the following raw materials including composite aggregate, a gel material, a composite additive and water at the weight ratio of (2.0 to 3.0) to 1 to (0.003 to 0.03) to (0.25 to 0.35); the composite aggregate is prepared from regenerated aggregate and common aggregate. The permeable concrete product prepared by the invention has water permeability with different gradients and diversified permeable rates; the 28d compressive strength of the prepared permeable concrete product is 5MPa to 15MPa and the permeable rate of the prepared permeable concrete product is 0.5mm / s to 10mm / s. According to the novel road surface permeable concrete product provided by the invention, a construction process can be simplified, and engineering construction can be finished at a single time according to actual engineering requirements; the technical effect which is the same as that of a plurality of times of construction in the prior art can be obtained; when the permeable concrete product is used for paving a side pavement on a road surface, people walking on the road surface can feel comfortable and elastic.

The invention relates to a method and a processing device for removing hardness in water by combined multiple steps. The method includes the steps of pelleting, precipitating and coagulating / membraneseparating: calcium carbonate seed crystals and sodium carbonate precipitant are input into a pelleting stirring pond to react with raw water completely, newly generated calcium carbonate is enabled to precipitate on surfaces of the continuously input calcium carbonate seed crystals, and formed large-size dense crystal particles are enabled to quickly precipitate at the bottom of the pelleting stirring pond, and accordingly a large amount of calcium and magnesium ions are removed; non-precipitated small-size crystal particles enter a membrane separation pond along with supernate and react witha hydrolysis product of ferric salt to form large-size flocculent particles, the calcium and magnesium ions are furtherly removed through hollow fiber ultrafiltration membrane separation, and hardness of outlet water is reduced largely. The method and the processing device for removing hardness in the water by the combined multiple steps have the advantages that formed crystal particles are largein size and good in settling property, the defects of long static settling time, large quantity of produced mud and the like of a lime-soda precipitating and softening method are overcome, a ferric chloride coagulant is input into the membrane separation pond to slow down membrane pollution, hardness removing efficiency is increased, and remarkable environmental and social effects are realized.

The invention discloses a chromium-polluted soil total-chromium ex-situ treatment method. The chromium-polluted soil total-chromium ex-situ treatment method comprises that Cr(VI), Cr(III) and Cr(III) complex are subjected to staged leaching by two extracting agents, and concretely comprises carrying out leaching on high-water solubility Cr(VI) and hydrous Cr(III) by a first-grade leaching unit adopting a sodium hydroxide-EDTA-2Na mixed solution as the extracting agent, carrying out leaching on Cr(III) and its complex by a second-grade leaching unit adopting a citric acid-sulfuric acid mixed solution as the extracting agent, adding a proper amount of a conditioning agent into the leached soil, carrying out full stirring, carrying out backfilling, treating the leached supernatants obtained by the leaching units, and feeding the leached supernatants back to the corresponding leaching units. The chromium-polluted soil total-chromium ex-situ treatment method can remove Cr(VI) pollutants in a polluted place, guarantee total chromium content level reaching the standard and realize thorough treatment on Cr pollution in the place and has no secondary pollution hidden trouble.

The present invention provides an agricultural chemical enhancer composition comprising a mixture of (a) a fermentation product of one or more of red beans, peas, yellow corn, white corn, white rice,yucca, potatoes, manioc root, starch from vegetables sources, inorganic minerals, non-iodized sea salt, urea or another equivalent nitrogen source, biodynamic water and an inoculum selected from the group consisting of bacillus microorgasnisms or spores and yeast; and (b) an essential oil such as banana oil, cinnamon oil, coconut oil, vanilla oil and mixtures thereof; and urea or another equivalent nitrogen source and an extract of a plant material selected from the group consisting of marranero fern foliage ( Pteridium aquilinum), cola de caballo (horsetail fern) leaves (esquisetum arvense),powdered cinnamon (cinnamomum zeylanicum), garlic cloves (allium sativum), tabasco pepper fruits (capsicum frutescens), pasto kikuyo seeds (pennisetum clandestinum) and mixtures thereof. The enhancerof the invention is combined with agrochemicals to augment their activity.

The invention belongs to the technical field of ecological environment control and discloses an open pit coal mine rock dump-based waste rock soil formation method for land reclamation. The waste rocksoil formation method is a technique as follows: on the basis of evaluating and calculating lithologic differences and spatial distribution of different sedimentary rocks on a minable seam of an openpit coal mine, staggered excavation and classified stripping are carried out on different types of rocks (waste rocks) on the minable seam; the waste rocks are transported and stacked at different positions of a rock dump (waste dump) in a classified manner; layered compaction is carried out; and existing weathered coal, carbonaceous shales, shales, mudstones and the like of the open pit coal mine are stacked on a surface layer to replace soil for land reclamation, and are mixed and fermented with kitchen wastes and household wastes of mine workers for nutrification and organification, thereby completing waste rock soil formation. A treatment method for waste rock soil formation, waste rock reclamation and household waste harmless treatment of the workers for green mining is achieved; a novel soilless land reclamation mode for land reclamation of the open pit coal mine is innovatively formed; and the waste rock soil formation method has great environmental effect, economic effect andsocial effect.

The invention discloses a method for removing a hydrogen fluoride gas in a hydrogen chloride gas by using aluminum oxide. The method comprises the step: making the hydrogen chloride gas containing the hydrogen fluoride gas pass through activated aluminum oxide powder or activated aluminum oxide molecular sieve to ensure that hydrogen fluoride reacts with aluminum oxide to be removed, wherein the reaction conditions are as follows: the temperature is -40 DEG C-200 DEG C, the reaction pressure is 0.1-5 MPa, and the reaction time is 30s-20min. A preparation method of the activated aluminum oxide powder comprises the steps: 1, activating, baking the aluminum oxide in air or vacuum condition at a temperature of 300-400 DEG C for 1-5 hours; and 2, performing airflow crushing on the activated aluminum oxide obtained in the step 1 to obtain aluminum oxide powder with a particle size of 1-100 mu m, wherein the pore diameter of the aluminum oxide molecular sieve is 3-4. The aluminum oxide molecular sieve is activated after being made. The method for removing the hydrogen fluoride gas in the hydrogen chloride gas by using the aluminum oxide, provided by the invention, provides a novel method for efficiently purifying hydrogen chloride, which has remarkable environment and economic values.

The invention provides a method for strengthening carbon dioxide absorption with an ionic liquid-containing emulsion liquid membrane in coupling micro-fine calcium carbonate synthesis. A water-in-oil-in-water emulsion liquid membrane dispersion system containing the ionic liquid is prepared; the absorption rate of the carbon dioxide by an absorbent is strengthened by dispersing oil droplets; meanwhile, the mass transfer of the carbon dioxide in the liquid membrane is quickened and promoted by using the ionic liquid with high solubility to the carbon dioxide in the oil membrane, so that the carbon dioxide enters an internal water phase containing calcium hydroxide, further the carbon dioxide and the calcium hydroxide react to produce calcium carbonate; the fine calcium carbonate particles are prepared under the condition that the internal water phase space is used as a soft template under the limitation of the size of the internal water phase droplets. According to the method, the gas-liquid interfacial turbulence is strengthened by using the turbulence of the dispersed droplets in the gas-liquid interface, and the surface renewal is quickened, so that the mass transfer speed is improved.

The invention relates to technology for strongly oxidizing and roasting chromium-containing materials, which mainly comprises: adding calcined soda and a catalyst into the chromium-containing materials for uniform mixing; performing strong oxidizing roasting on mixed material pellets after using water to perform granulation on the mixed materials; and leaching oxidized and roasted clinker to obtain chromium lixivium and leached slag. The technology has the advantages of high oxidation rate and conversion rate of chromium, complete separation of the chromium and the slag, low content of the chromium in the leached slag, easy comprehensive utilization and so on, overcomes the defects of low chromium recovery rate, large chromium slag amount, high chromium content and heavy pollution in the prior process for producing chromium salt, can safely, economically and effectively treat a great deal of the prior high-toxicity chromium-containing waste, realizes harmlessness of the chromium-containing materials when simultaneously reclaiming the chromium, eliminates chromium pollution during production, and has obvious social, environmental and economic benefits.

The invention discloses a full-automatic water surface float guiding and collecting device. The full-automatic water surface float guiding and collecting device is characterized in that a float guiding device arranged on a water surface and a collecting device connected with a water surface float entrance of the float guiding device are included; the float guiding device is arranged between two embankments of upstream of a reservoir area or a pump station, and gaps used for carrying the collecting device are arranged on the corresponding positions of the embankments; the float guiding device comprises a sewage guiding rod (1) which is arranged between the embankments and is movably connected with the downstream ends of the gaps; the connecting device comprises a down floating barrel (6), a lifting board (7) and a garbage can (8). The full-automatic water surface float guiding and collecting device is remarkable in environment and economic benefits, simple in structure and green and environmental friendly, needs no extra power, can be widely applied in rivers with different widths, drainage channels and the upstream of hydraulic structures, and achieves automatic collection of water surface floats.

The invention belongs to the technical field of water treatment equipment, and relates to a sewage purification and recycling integrated device of a multifunctional cleaning and sweeping vehicle. The sewage purification and recycling integrated device comprises a grid grit tank system, a preliminary sedimentation tank system, a clean water tank system and a coagulative precipitation tank system, wherein the grid grit tank system is connected with the preliminary sedimentation tank system by a preliminary sedimentation tank overflow water inlet; the preliminary sedimentation tank system is connected with the coagulative precipitation tank system by a preliminary sedimentation tank water outlet pipe and a coagulative precipitation tank water inlet pipe; the coagulative precipitation tank system is connected with the clean water tank system by a coagulative precipitation tank water outlet pipe and a disinfection mixing tank water inlet pipe; and outlet water of the clean water tank system is supplied by a clean water tank water outlet pipe for recycling. The device is used for sewage treatment of the cleaning and sweeping vehicle; outlet water of the device can be directly recycled for cleaning and sweeping a pavement and flushing bottom mud of the multifunctional cleaning and sweeping vehicle; the recycling efficiency of sewage is improved; 50% of fresh water can be saved; emission of the sewage and sundries to a municipal pipe network is reduced; and the social, environmental and economic benefits are significant.

The invention provides a plant floating bed. The plant floating bed mainly comprises a supporting frame, a floating body which is mounted at the bottom of the supporting frame and a carrier on the upper surface of the supporting frame; the supporting frame forms a plane by splicing and constructing bracket monomers; the supporting frame floats on the surface of water by the floating body; the carrier comprises a supporting net on the supporting frame and soil and plant humus which are spread on the supporting net; two or more aquatic plants are planted on the carrier in a mixed manner; the aquatic plants absorb nutrient elements, such as nitrogen and phosphorus, in a water body, and the eutrophication degree of the water body is lightened, so that an effect of purifying water quality is achieved; the invention also provides a method for treating water body pollution by the plant floating bed.

The invention discloses a method for purifying hydrogen chloride by adopting anhydrous calcium chloride. According to the method, by adopting the anhydrous calcium chloride as an HF adsorbing agent, a hydrogen chloride gas to be treated is purified by using the following chemical reaction: (2HF+CaCl2->CaF2+2HCl), wherein the anhydrous calcium chloride is activated, the reaction temperature is -40-50 DEG C, the reaction pressure is 0.1-5MPa, and the reaction time is 6min -18 hours. According to the method, the hydrogen chloride gas is purified through a chemical reaction of the anhydrous calcium chloride and a hydrogen fluoride gas, the concentration of the hydrogen fluoride gas is reduced to be less than 10 ppm, and thus recovering and recycling of high-purity hydrogen chloride are realized; and the method is especially suitable for recycling the hydrogen chloride as a byproduct generated in a process of producing fluorides such as tetrafluoroethane, and is remarkable in environment and economic values.

A sludge drying system with the combination of fume's afterheat and two external heat sources is composed of heat supply system, sludge pre-treating system, feeding system, sludge drying-granulating system and dusting and degassing system.

The invention provides an in-situ low-temperature automatic treatment technology for urban and rural mixed household garbage. The urban and rural mixed household garbage is continuously added, and enters a magnetic pulse reactor after being automatically sorted, and organic substances in the mixed household garbage are efficiently reduced and harmless through an electromagnetic heating treatment technology, so that daily production and daily cleaning of the urban and rural mixed household garbage can be effectively realized, and in-situ treatment is realized. The in-situ low-temperature automatic treatment technology has the advantages that the treatment technology has the characteristics of simple process, easiness in operation, unattended operation, harmless organic waste, high reductionspeed, good effect, standard emission of generated waste gas after treatment, no generation of dioxin and the like, and the whole treatment process has no secondary pollution to the environment and has remarkable economic, social and environmental benefits.

The present invention pertains to the field of agriculture. The invention relates to a method to inhibit gene expression in bacteria, which is referred to here as Antibacterial Gene Silencing (AGS). In particular embodiments, the method is used to protect plants against pathogenic bacteria by targeting pathogenicity factors and / or essential genes in a sequence-specific manner via small non-coding RNAs. The method can also be used to enhance beneficial effects and / or growth of plant-associated symbiotic or commensal bacteria. The invention involves either the generation of stable transgenic plants that constitutively express antibacterial small RNAs or, alternatively, the exogenous delivery of these small RNA entities onto plants, either in the form of RNA extracts or embedded into plant extracellular vesicles (EVs), which were found to be effective in reducing bacterial pathogenicity. The invention also describes a method to identify in a rapid, reliable and cost-effective manner, small RNAs that possess antibacterial activity and that can be further exploited for RNA-based biocontrol applications to confer plant protection against pathogenic bacteria. In addition, the latter approach is instrumental to rapidly characterize any genes from any bacterial species.

The invention belongs to the technical field of environment protection wastewater treatment and relates to a method of catalytic reduction treatment on nitrobenzene wastewater by utilizing Korean pine source charcoal. The method comprises the main steps of adding buffer solution and the nitrobenzene wastewater with certain concentration into an anaerobic simulation reactor containing black carbon powder weighed in advance, inflating 99.99% high-purity nitrogen to a reaction system (in order to remove oxygen in the system to form an anaerobic environment), adding reductant sulfide with certain concentration into the reactor, and finally placing the reactor into a rotary oscillator to perform oscillation reaction at the normal temperature and the normal pressure. The reaction system is temperate, reaction is fast and efficient, treatment cost is low, and the treatment method can solve actual problems and has remarkable economic advantages and environmental advantages.

The invention belongs to the technical field of wastewater treatment in environmental protection and relates to a method for the reduction treatment of nitrotoluene wastewater by using jujube-wood-sourced charcoal for catalyzing. The method mainly comprises the following steps of: adding a buffer solution and the nitrotoluene wastewater with finite concentration into an anaerobic simulated reactor containing pre-weighed jujube-wood-sourced charcoal powder; inflating 99.99% high-purity nitrogen into a reaction system so as to remove oxygen from the system to form an anaerobic environment; adding reductant hydrosulfide with finite concentration into the system; and finally, putting the reactor into a rotary shaker for carrying out shaking reaction at normal temperature and pressure. According to the method, the reaction system is moderate, the reaction is fast and efficient, and the treatment cost is low, so that the method for treating the nitrotoluene wastewater can solve practical problems and has remarkable economic and environmental advantages.

The invention discloses a method of using red mud as a reaction medium to separate the positive electrode material and aluminum foil of a waste lithium battery. The method can realize the separation of the positive electrode material and aluminum foil in the positive pole piece of a waste lithium battery by using red mud as a high temperature reaction medium. Mud, as an in-situ reaction reagent, promoted the adsorption of fluoride produced by the high-temperature thermal decomposition and decomposition of the organic binder polyvinylidene fluoride in the positive electrode sheet of the spent lithium battery. Compared with the prior art, the method of the present invention uses red mud as the reaction medium to separate the positive electrode material and aluminum foil of the waste lithium battery. Flux can solve the problem of industrial solid waste stacking, and can also realize the reduction, recycling and harmlessness of industrial solid waste. The peeling rate of red mud on the aluminum foil and positive electrode material of the positive electrode sheet of the waste lithium battery is as high as 97.0 wt%.

The invention discloses an electrochlorination extraction method for gold in gold-containing materials. The electrochlorination extraction method comprises an anode dissolution process and a cathode deposition process which are completed in a same reactor. The electrochlorination extraction method comprises the following steps of putting the gold-containing materials into an electrochemical reactor filled with an electrolyte with sodium chloride concentration of 0.1-3mol / L in a sheet, powder or particle form, and controlling the reaction temperature to be 25-99 DEG C, the current density to be0.01-3A / cm2, and the reaction time to be 1-6 hours; and after electrolysis is completed, collecting sediments of a cathode chamber and a cathode plate, washing and drying the sediments, and obtaininggold powder. The method has the remarkable advantages of being high in gold extraction efficiency, low in chemical reagent consumption, clean in process, simple and convenient in operation, short inflow and the like.

The invention relates to a golden gold tailing curing agent, a preparation method and a use method, and belongs to the technical field of environmental engineering. The golden gold tailing curing agent comprises phosphate ore, quartz tailing slag, carbide slag and coagulated stone according to a mass ratio of (1-3) : (1-3) : (1-3.5) : (1-4); the preparation method comprises the following steps: respectively washing, drying, crushing and grinding the phosphate ore, quartz tailing slag and carbide slag, and grinding and treating the coagulated stone; and uniformly mixing all the components. Theusing method of the gold tailing curing agent comprises the steps that gold tailings and the added gold tailing curing agent are stirred to be uniform in proportion, curing is achieved, the compressive strength can reach 61-82.8 KPa after the gold tailings and the added gold tailing curing agent are stacked in a normal-temperature and normal-pressure field for three days, and the pH of leachate ranges from 6.9 to 8.35. The gold tailing curing agent adopts solid waste as a raw material, treats waste with waste, and is wide in raw material source and low in cost, and the cured golden gold tailings are used as soil for road filling.

The invention provides an in-situ low-temperature treatment technology for urban and rural mixed household garbage. The urban and rural mixed household garbage is intermittently added, organic substances in the mixed household garbage are efficiently reduced and harmless through an electromagnetic heating treatment technology, and daily production and daily clearing of the urban and rural mixed household garbage can be effectively achieved, and in-situ treatment is achieved. The in-situ low-temperature treatment technology has the beneficial effects that the treatment technology is simple in process and easy to operate, organic waste is harmless, the reduction speed is high, the effect is good, generated waste gas is discharged after being treated and reaching the standard, and no dioxin is generated; and the whole treatment process is free of secondary pollution to the environment, and obvious economic, social and environment benefits are achieved.

The invention relates to a green comprehensive recycling method of organic silicon pulp residues. At present, a direct method is the only industrial production method for methyl chlorosilane monomers, and about 2-5% of waste residue slurry is produced as a byproduct in the production process. The harmless treatment of the waste residue slurry is carried out through a series of comprehensive separation and treatment methods. On the basis of a hydrolysis method, efficient pretreatment methods such as sedimentation, reduced pressure distillation, ball milling and pulping are combined, then a series of regeneration comprehensive utilization treatments such as hydrogen extraction, filtration, slag washing and copper extraction are carried out, and efficient harmless treatment of the organic silicon waste slag is achieved. After the residues treated by the method are washed and neutralized by calcium oxide, the residual quantity is only about 10% of the weight of the slurry residues, chlorine radicals and heavy metal residues are avoided, the carbon content is 30-50%, and the residues can be used for building and thermal power fuel and can be reused. Meanwhile, recovery products, namely water glass and copper sulfate, are obtained through comprehensive treatment, raw material waste and waste treatment pressure are reduced, and the method has remarkable environment-friendly significance and economic significance.