35results about How to "No ecological problems" patented technology

The invention provides a method for treatment of soil containing chromium through coupling of biogas residue microbial inoculum and ferrous sulfate. Soil treated with biogas residue microbial inoculum and soil treated with ferrous sulfate are mixed, and sulfate in ferrous sulfate is reduced by means of sulfate reducing bacteria in biogas residue microbial inoculums to generate sulfide, so that hexavalent chromium can be reduced more effectively and secondary pollution of sulfate is avoided.

The invention provides a method for cooperatively treating hexavalent chromium in contaminated soil through biogas residues and ferrous sulfate. The biogas residues, a carbon source and the ferrous sulfate are mixed and prepared into a mixed agent used for treating chromium-contained soil. In the process, sulfate reducing bacteria in the biogas residues are used for reducing sulfate in the ferrous sulfate to generate sulfide, secondary contamination of the sulfate is avoided while the hexavalent chromium is reduced more effectively, and the sulfate reducing bacteria in the biogas residues and used for reducing the hexavalent chromium can be increased in a large scale.

The invention discloses a novel method for treating chromium slag. Sludge, a carbon source and ferrous sulfate are prepared into chemical agents to be applied into the chromium slag; and then a special curing manner is adopted, and hexavalent chromium slowly released in the chromium slag is gradually reduced. By means of the method, the hexavalent chromium can be efficiently reduced at low cost, and meanwhile secondary pollution of sulfate and the sludge is avoided.

The invention provides a method for preparing an efficient ecological restoration flora for a Cr (VI)-containing site by utilizing biogas residue. According to the method, by adding a carbon source and sulfate into the biogas residue, a sulfate reducing flora in the biogas residue rapidly grows, and sulfides are generated at the same time; then, chromate is added into the biogas residue, and the sulfides capable of inhibiting the growth of the sulfate reducing bacteria are consumed; due to the existence of the sulfides, the toxicity of the chromate to the sulfate reducing bacteria is greatly reduced, and the Cr (VI) resistance of the cultured sulfate reducing flora is also improved.

The invention discloses a novel method for treating Cr(VI) contaminated soil. Biogas residues, a carbon source and ferrous sulfate are prepared into a medicament to be applied to chromium-containing soil; and then a special curing mode is adopted. The method can reduce hexavalent chromium at low cost and at high efficiency, and prevents secondary pollution of the sulfate and the biogas residues.

The invention provides a method for preparing efficient ecological restoration floras for a Cd contaminated site from sludge. A carbon source and sulfate are added into the sludge, sulfate reducing floras in the sludge are made to grow rapidly, and meanwhile sulfide is generated; next, cadmium salt is added to consume the sulfide inhibiting growth of sulfate reducing bacteria, the toxicity of the cadmium salt on the sulfate reducing bacteria is greatly lowered due to existence of the sulfide, and meanwhile Cd resistance of the cultured sulfate reducing floras is improved.

The invention discloses a novel contaminated site Hg in-situ detoxifying method based on biogas residues. The biogas residues, a carbon source and sulfate are prepared into an agent to be injected into Hg-containing soil in situ, then, a special construction and maintenance manner is adopted, fixed ecological fungicide gradually seeps into the ground, and the deep layer contaminated soil Hg is fixed. According to the method, the Hg-containing site with the high pollution depth can be repaired with the low cost and high efficiency, meanwhile, waste is treated through waste, and the biogas residues are treated.

The invention provides a method for preparing an efficient ecological restoration flora for an Hg-polluted site by utilizing sludge. According to the method, by adding a carbon source and sulfate into the sludge, a sulfate reducing flora in the sludge rapidly grows, and sulfides are generated at the same time; then, mercury salt is added into the sludge, and the sulfides capable of inhibiting the growth of the sulfate reducing bacteria are consumed; due to the existence of the sulfides, the toxicity of the mercury salt to the sulfate reducing bacteria is greatly reduced, and the Hg resistance of the cultured sulfate reducing flora is also improved.

The invention provides a heat pipe-thermocouple generating set of a solar cooker / a lens / a honeycomb heat source. The generating set comprises a sunlight reflecting cap, a light-sensitive automatic tracking device, a heat pipe, a thermocouple element, the lens, an optical fiber, a superconductive liquid heat collector, a metal honeycomb efficient heat collector, a heat source storage box, an infrared remote sensor, a storage battery and the like. A thermocouple is connected by a permanently existing temperature difference effect between a high temperature formed by the sunlight through the solar stove or the lens or the metal honeycomb efficient heat collector and a relatively low temperature of the air to perform thermo-electric generation; and the generated electricity is supplied to outdoor LED lamps such as street lamps, lawn lamps, garden lamps and signal lamps, and indoor lamps. The generating set makes use of an energy source which is not developed in the planet, solves the problem which is not solved in the past few decades, and has one fourth of the price of that of a solar panel and social and economic benefits of energy conservation and pollution free; the generating set has the characteristics of low cost, rapid popularization and application and capacity of preventing ecological problems and developing reproducible energy sources; and once the market of the generating set is opened, the impact on the world is immeasurable.

The invention provides a novel pollution site Cd in-situ detoxification method based on biogas residues. The biogas residues, a carbon source and sulfate are prepared into chemical agents to be injected into Cd-containing soil in an in-situ manner; and then a special constructing and curing manner is adopted, and a fixation ecological bacterium agent is made to gradually permeate into the underground to fix Cd of the deep-layer polluted soil. By means of the method, the Cd-containing site large in pollution depth can be efficiently restored at low cost; and meanwhile, waste is treated through waste, and the biogas residues are treated.

The invention provides a method for preparing an Sb (V) contaminated site efficient ecological remediation flora from biogas residues. By adding a carbon source and sulfate to the biogas residues, a sulfate-reducing flora in the biogas residues achieves rapid growth, and meanwhile sulfide is generated; and then, antimonate is added to the biogas residues to consume and inhibit the sulfide which grows from the sulfate-reducing flora, due to the existence of the sulfide, the toxicity of the antimonate on the sulfate-reducing flora is also greatly reduced, and meanwhile, the Sb-resistant performance of the cultured sulfate-reducing flora is also improved.

The invention provides a novel pollution site Zn in-situ detoxification method. Sludge, a carbon source and sulfate are prepared into chemical agents to be injected into Zn-containing soil in an in-situ manner; and then a special constructing and curing manner is adopted, and a fixation ecological bacterium agent is made to gradually permeate into the underground to fix Zn of the deep-layer polluted soil. By means of the method, the Zn-containing site large in pollution depth can be efficiently restored at low cost; and meanwhile, waste is treated through waste, and the sludge is treated.

The invention provides a method for preparing an efficient ecological restoration flora for a Pb-polluted site by utilizing sludge. According to the method, by adding a carbon source and sulfate into the sludge, a sulfate reducing flora in the sludge rapidly grows, and sulfides are generated at the same time; then, lead salt is added into the sludge, and the sulfides capable of inhibiting the growth of the sulfate reducing bacteria are consumed; due to the existence of the sulfides, the toxicity of the lead salt to the sulfate reducing bacteria is greatly reduced, and the Pb resistance of the cultured sulfate reducing flora is also improved.

The invention provides a method for preparing an efficient ecological restoration flora for a Sb (V)-polluted site by utilizing sludge. According to the method, by adding a carbon source and sulfate into the sludge, a sulfate reducing flora in the sludge rapidly grows, and sulfides are generated at the same time; then, antimonate is added into the sludge, and the sulfides capable of inhibiting the growth of the sulfate reducing bacteria are consumed; due to the existence of the sulfides, the toxicity of the antimonate to the sulfate reducing bacteria is greatly reduced, and the Sb resistance of the cultured sulfate reducing flora is also improved.

The invention belongs to the technical field of 3D printing, and provides a 3D printed porous connected reef generation method and system. The method comprises the following steps: calculating the number of curved surfaces and the size of each curved surface based on the information of the overall size, the minimum aperture and the maximum aperture of a preset reef body, obtaining parameters in a corresponding single-layer double-cycle curved surface function, and generating a single-layer double-cycle curved surface; multiple double-cycle curved surfaces are generated based on the single-layer double-cycle curved surface, a porous communicated basic reef model is generated through combination, connection of extreme points of the curved surfaces is kept, and an overall model and a printing path are updated and generated; and a reef body model file is generated based on the overall model and the printing path so as to be used for 3D printing and further firing forming of the reef body.

The invention provides a novel pollution site Cu in-situ detoxification method. Sludge, a carbon source and sulfate are prepared into chemical agents to be injected into Cu-containing soil in an in-situ manner; and then a special constructing and curing manner is adopted, and a fixation ecological bacterium agent is made to gradually permeate into the underground to fix Cu of the deep-layer polluted soil. By means of the method, the Cu-containing site large in pollution depth can be efficiently restored at low cost; and meanwhile, waste is treated through waste, and the sludge is treated.

The invention discloses a Pb in-situ and heterotopic coupling detoxifying method for a heavily-contaminated site based on biogas residues. The biogas residues, a carbon source and sulfate are prepared into a reagent to be applied to Pb-containing soil; and then a special construction and curing manner is adopted for reduction ecological bactericide to gradually permeate into the ground, and therefore Pb of the contaminated soil on the deep layer is reduced. By means of the method, the Pb-containing site which is high in contamination depth can be repaired efficiently with low cost, meanwhile, waste is used for treating waste, and the biogas residues are treated.

The invention discloses a heavily-polluted site Cu in-situ and ex-situ coupling detoxification method based on biogas residues. The biogas residues, a carbon source and ferrous sulfate are prepared into a medicament to be applied to Cu-containing soil; and then a special construction and curing mode is adopted to enable a reducing ecological microbial agent to gradually permeate underground so as to reduce Cu in deep polluted soil. The method can repair deeply-polluted Cu-containing sites at low cost and with high efficiency, and treats wastes by using wastes to treat the biogas residues.

The present invention adopts an in-situ and ex-situ coupling detoxification method for Pb in heavily polluted sites. Sludge, carbon sources, and sulfates are formulated into medicaments and applied to Pb-containing soils, and then special construction and maintenance methods are adopted to reduce the ecological bacteria. The agent gradually penetrates into the ground and restores Pb in the deep contaminated soil. This method can remediate Pb-containing sites with high pollution depth at low cost and high efficiency, and at the same time treat waste with waste, and treat the sludge.

The present invention adopts a Zn in-situ and ex-situ coupling detoxification method for heavily polluted sites. Sludge, carbon sources and sulfates are formulated into medicaments and applied to Zn-containing soils, and then special construction and maintenance methods are adopted to reduce ecological bacteria. The agent gradually penetrates into the ground and restores Zn in the deep contaminated soil. This method can remediate Zn-containing sites with high pollution depth at low cost and high efficiency, and at the same time treat waste with waste, and treat sludge.

The invention provides a method for preparing efficient ecological restoration floras for an Hg contaminated site from biogas residues. A carbon source and sulfate are added into the biogas residues, sulfate reducing floras in the biogas residues are made to grow rapidly, and meanwhile sulfide is generated; next, mercuric salt is added to consume the sulfide inhibiting growth of sulfate reducing bacteria, the toxicity of the mercuric salt on the sulfate reducing bacteria is greatly lowered due to existence of the sulfide, and meanwhile Hg resistance of the cultured sulfate reducing floras is improved.

The present invention adopts an in-situ and ex-situ coupling detoxification method of Cu in heavily polluted sites based on biogas residues. Biogas residues, carbon sources, and ferrous sulfate are formulated into medicaments and applied to Cu-containing soils, and then special construction and maintenance methods are adopted. , so that the reducing ecological bacteria agent gradually penetrates into the ground, and restores Cu in the deep polluted soil. This method can remediate Cu-containing sites with high pollution depth at low cost and high efficiency, and at the same time treat waste with waste, and treat the biogas residue.

The invention provides a method for preparing an efficient ecological restoration flora for a Cu-polluted site by utilizing sludge. According to the method, by adding a carbon source and sulfate into the sludge, a sulfate reducing flora in the sludge rapidly grows, and sulfides are generated at the same time; then, copper salt is added into the sludge, and the sulfides capable of inhibiting the growth of the sulfate reducing bacteria are consumed; due to the existence of the sulfides, the toxicity of the copper salt to the sulfate reducing bacteria is greatly reduced, and the Cu resistance of the cultured sulfate reducing flora is also improved.