900 results about "Environmental protection" patented technology

The invention relates to a containerized method for the thermal treatment of contaminated solids, pasteous materials, and waste. The system comprises at least one thermally insulated container designed to minimize heat loss and enable material loading from a liftable top panel or a side panel, as well as at least one heat production unit featuring a burner control system and a combustion chamber capable of achieving oxidizing conditions for the complete destruction of contaminants. The method provides simultaneous thermal treatment of materials and vapor-phase contaminant destruction, supported by a ventilation system and a monitoring system for real-time adjustments. In a second aspect, the invention provides a containerized device with comparable operational features, designed for portability and modular deployment, facilitating on-site remediation in remote locations.

The utility model discloses a kind of heavy metal material separation devices of renewable resources, including separation tank, the inside rotation of separation tank is equipped with two rotating rods C, the outer surface of two rotating rods C is commonly transmission installation and has conveyor belt C;The utility model is rotated by motor C and conveyor belt C rotation, to transport the material after crushing, this step ensures the continuous flow of material in the processing process, creates conditions for subsequent chemical treatment, by pump body and input pipeline extraction separation tank bottom reagent, by output pipeline and spray head respectively to magnetic material and non-magnetic material are sprayed, this step makes the heavy metal on the surface of material and reagent react, to realize the separation of heavy metal, can effectively separate and recover heavy metal material, reduce the pollution of heavy metal to environment, not only help to protect environment, but also recycle valuable heavy metal resources, promote the recycling of resources.

This invention discloses an in-situ three-dimensional bioremediation method for slightly polluted water bodies. The method involves collecting a mud-water mixture from the water body to be treated, enriching and culturing it, and collecting the settled sludge. Culture medium II is added to the settled sludge for acclimatization and cultivation to prepare a biological agent. This biological agent is then added to a mixed solution of polyvinyl alcohol-hydrated calcium silicate-fulvic acid (PVA-CSH-FA) or PVA-modified zeolite-FA to prepare an immobilized biological carrier that can slowly release or adsorb calcium ions from the water. Calcium peroxide packing is also prepared to provide oxygen. The immobilized biological carrier packing and calcium peroxide packing are respectively fixed in the upper and lower layers of an ecological sedimentation bed, which is then placed in the slightly polluted water body to achieve in-situ three-dimensional bioremediation. The calcium-precipitating bacterial biological agent obtained through enrichment and acclimatization in this invention, when immobilized and mixed with the carrier material, efficiently and simultaneously removes pollutants such as nitrogen, phosphorus, organic matter, and heavy metals from slightly polluted water bodies.

A water purification apparatus comprising an elongated UV source and a conduit for the water to be purified, made of a UV-transmitting material, wherein the conduit has an inlet and an outlet and is positioned so that part of it is wrapped around at least part of the UV source to sterilize the water inside the conduit, further comprising reflective means for reflecting UV radiation. over one or more parts of the duct that extend beyond the part that is wrapped around the UV source.

This utility model discloses a high-efficiency and environmentally friendly electrophoretic cleaning tank, including a cleaning pool, a cleaning liquid tank, a pump body, a cleaning pipe connected to the water outlet of the pump body, and multiple cleaning nozzles disposed inside the cleaning pipe. A filter tray is inserted into the cleaning liquid tank, and a filter screen is provided at the bottom of the filter tray. The exhaust gas purification component consists of a purification hood fixed to the upper left end of the cleaning pool, a suction fan installed on the left side of the cleaning pool, and an activated carbon purification screen inserted into the middle of the suction fan. This high-efficiency and environmentally friendly electrophoretic cleaning tank allows the filter tray and filter screen in the cleaning liquid tank to filter the cleaning liquid, and the filtered cleaning liquid can be recycled and reused, avoiding direct discharge and waste, which conforms to the concept of environmental protection. Furthermore, combined with the exhaust gas purification component, it can purify the exhaust gas generated during the cleaning process, reducing environmental pollution.

This utility model discloses an integrated device for treating leachate from a waste transfer station, comprising a pretreatment unit, a biochemical unit, and a sludge treatment unit. The pretreatment unit includes a wastewater collection tank, a homogenization tank, and a dissolved air flotation (DAF) tank. The biochemical unit includes an anaerobic preparation tank, an anaerobic reactor, a two-stage AO reactor, and a secondary sedimentation tank. The sludge treatment unit includes a sludge storage tank and a screw press dewatering machine. The wastewater collection tank, homogenization tank, DAF tank, anaerobic preparation tank, anaerobic reactor, two-stage AO reactor, secondary sedimentation tank, sludge storage tank, and screw press dewatering machine are sequentially connected via pipelines. This utility model achieves full-volume treatment of leachate from waste transfer stations, and has advantages such as significant treatment effect, no secondary pollution, low operating cost, low energy consumption, and saving land area.

This invention discloses a high-temperature detection, early warning, and fire prevention and extinguishing system for coal mine goaf areas, relating to the field of coal mine safety monitoring technology. It includes an environmental sensing module, a data processing module, a fire prevention module, and a fire extinguishing module. The environmental sensing module is used to detect and collect environmental data within the coal mine in real time. The data processing module is used to observe CO distribution, analyze the CO concentration distribution patterns in different areas, and, combined with temperature, locate the high-temperature zone of spontaneous combustion point in the goaf area, determining the early warning level. When the early warning level is primary, the fire prevention module is activated; when the early warning level is not primary, fire extinguishing slurry or inert gas is injected into the high-temperature area. This invention can improve the fire prevention and control level in coal mine goaf areas and ensure coal mine production safety.

This invention relates to a system that purifies and improves air quality by utilizing a microalgal bioreactor with integrated LED lighting to absorb pollutants, eliminate pathogens, and release oxygen-enriched air, while providing a sustainable and scalable solution to address environmental and public health challenges. The system includes a column (1) containing water and microalgae that produces oxygen by absorbing pollutant gases and pathogens from the air, a lighting system (2) consisting of a plurality of LEDs positioned in the column (1), providing the light source for the photosynthesis of microalgae, a pump (3) configured to suck air from the surrounding environment and introduce it into the column where the air bubbles come into direct contact with the microalgae, a photocatalytic filtration system (4) placed at the air inlet, configured to remove particulates, viruses, bacteria and other impurities before the air is treated in the column (1), a two-phase separator (5) configured to collect the microalgal biomass produced, separating part of the process water and reintroducing it into the internal cycle of the column (1), a control panel (8) that monitors microalgae concentration, water quality and pH, and photosynthetic process efficiency.

The application belongs to the technical field of solid waste treatment, and discloses a fly ash harmless treatment process, which comprises the following steps: pretreating fly ash, mixing fly ash slurry and a citric acid solution, adding CaO for sufficient grinding, feeding the ground material into a drying equipment for drying and dewatering, adding Ca(OH)2 for sufficient grinding, and adding a solidifying agent to obtain stable harmless fly ash solidifying products. The application utilizes anhydrous citric acid to degrade dioxins and Cl in municipal waste incineration fly ash under specific mechanical equipment. Under the action of mechanical energy, the dioxins and Cl flow at high speed in an irregular manner, collide with each other, form mechanical disturbance effects and chemical effects, and achieve the effect of degrading and removing harmful and toxic substances in fly ash. The application utilizes mechanical equipment to perform harmless treatment on fly ash, and has the advantages of high efficiency, short reaction time, no sewage, no smoke, no dust, no waste gas discharge, and no carbon emission.

The application discloses a sewage sludge odor integrated treatment method in a deep confined space, and relates to a sewage sludge odor treatment method, which comprises a sewage quality collection system, a shunt grille system, a water, sludge and gas integrated treatment system of a double-water-outlet mode, a direct drinking water multi-membrane purification system of the double-water-outlet mode, and a water distribution system. The sewage sludge odor integrated treatment method realizes the reuse of water sources and effectively prevents odor diffusion, and has the advantage of small space occupation.

The application relates to the technical field of resource utilization of construction waste, and discloses a construction waste and waste cement block xylene impurity removal process. In the process, waste cement blocks and waste concrete blocks in the construction waste are subjected to sorting, crushing and screening to obtain recycled aggregates, the aggregates are subjected to pre-washing with clean water to remove loose impurities, and then are subjected to xylene treatment liquid soaking under specific solid-liquid ratio and temperature conditions, and are subjected to ultrasonic oscillation or mechanical stirring to strengthen mass transfer; after treatment, the aggregates are subjected to solid-liquid separation, distillation and purification, and then are recycled, and the aggregates are subjected to washing and drying to obtain high-quality recycled aggregates. The application has excellent impurity removal effect, does not damage the original structure of the aggregates, can realize recycling of the solvent, does not cause pollution of acidic waste water, has strong process adaptability, and can significantly reduce the water absorption rate and crushing index of the treated recycled aggregates, so that the treated recycled aggregates can meet the preparation requirements of medium and high-grade concrete, and the application realizes high-value and green resource utilization of the construction waste.

1. The name of the design product: disinfection cotton swab folding device. 2. The use of the design product: the design is used for disinfection cotton swab folding device, breaking independent packaging disinfection cotton swab, discarding the waste part, so as to reduce the skin puncture infection rate caused by secondary pollution of disinfection cotton swab. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective drawing.

Soluble metal ions contained in clay and loam can migrate to the surface with the moisture present in the clay building materials and react there with oxygen. This can lead to the formation of manganese dioxide and thus to discoloration of the building material surface. This reaction can be reversed using reducing agents such as HDEP and hydrogen peroxide and effectively prevented by the use of chelating agents such as HEDP or citric acid.

The application relates to the technical field of wastewater treatment control, and discloses a full-quantitative treatment method for landfill leachate, which comprises the following steps: a sensor baseline is established by adopting steady-state window statistics, and a known pulse is applied on site to obtain a calibration coefficient; a robust deviation index is calculated in real time, and a composite abnormal index is formed according to the maximum value rule to determine a transient front; the chemical type and the particle type are distinguished based on the ratio of representative sensors; a split ratio is determined according to a segmentation rule, and the dosage of a medicament and a membrane protection action are calculated according to an algebraic relationship in combination with the on-site calibration coefficient; the effect is evaluated in a short-term response window, and the baseline is updated or recalibration is triggered.

A water treatment method comprising electrochemically adsorbing, by using a working electrode formed of an organic redox substance having selective adsorption ability with respect to a specific substance dissolved in water to be treated, the specific substance on the working electrode, wherein the specific substance is ammonium ion, the organic redox substance is a polymer of 2,5-diamino-1,4-benzoquinone, and the ammonium ion is electrochemically adsorbed on the working electrode by applying, to the working electrode immersed in the water to be treated, a first prescribed voltage determined by using the minimum current value of a cyclic voltammogram with respect to the ammonium ion as an index.

The utility model discloses a kind of formaldehyde environmental chamber equipment with background concentration self-checking and automatic cleaning function, the formaldehyde environmental chamber equipment includes cabin, the sample holder for placing sample is installed in the cabin, the temperature and humidity sensor for real-time monitoring environmental parameter in cabin and the air circulation device for maintaining air flow uniformity in cabin are used, the formaldehyde environmental chamber equipment also includes sampling detection module, spray cleaning module and main control system. The formaldehyde environmental chamber equipment can effectively replace the conventional means of existing dependence on artificial judgment and operation, realize the rapid judgment and cleaning response of test chamber state, greatly shorten test preparation time, reduce artificial operation frequency and detection time cost.

This invention discloses a method for preparing a coal-based solid waste-based microbial composite remediation material, belonging to the technical field of soil remediation material preparation and high-value utilization of industrial solid waste. The method includes four core steps: low-damage pretreatment of coal-based solid waste, low-concentration alkali-ultrasound synergistic mild pre-activation, in-situ directional acclimatization-biological secondary activation integrated treatment, microenvironment enhancement, and low-temperature binder-free molding. This invention breaks the technical bias of existing technologies that involve "high-strength modification first, then passive loading of microorganisms," transforming the conflict between solid waste activation modification and microbial compatibility acclimatization into a synergistic process, fundamentally resolving the core technical contradiction between solid waste activation efficiency and microbial survival requirements. The material prepared by this invention possesses both excellent pollutant adsorption and passivation capabilities and long-term microbial activity, and can be widely applied in the field of heavy metal contaminated soil remediation, while simultaneously achieving the harmless and high-value utilization of coal-based solid waste.

This invention belongs to the field of electrochemical disinfection and health care technology, specifically disclosing a membrane electrolysis drinking water generation device and method for facility-based livestock farming. The device includes a pretreatment unit for softening and filtering raw water, a membrane electrolysis unit for generating hypochlorous acid solution and hydrogen-rich aqueous solution, a salt solution supply unit for injecting chlorine-containing electrolyte into the anode chamber of the membrane electrolysis cell, a salt solution dilution unit for adjusting the concentration of the chlorine-containing electrolyte, a multi-channel water distribution unit including a first branch, a second branch, and a third branch, a mixing and water addition unit, and a closed-loop control unit for dynamically regulating the ratio of electrolyzed functional water. This invention, employing the above-mentioned membrane electrolysis drinking water generation device and method for facility-based livestock farming, integrates hypochlorous acid disinfection and hydrogen-rich health care functions, ensuring stable concentration of effective components, convenient operation, and strong applicability.

This invention relates to the field of sludge treatment technology, and more specifically, to a biodegradable green sludge dewatering drainage board, comprising: a biodegradable drainage board structure, the biodegradable drainage board structure including: a glue-free straw core board and a biodegradable filter membrane wrapped around the glue-free straw core board; one or more longitudinal grooves are formed on the glue-free straw core board to allow water flow, so that water filtered through the biodegradable filter membrane flows in the drainage channel formed between the longitudinal grooves and the biodegradable filter membrane. Both the glue-free straw core board and the biodegradable filter membrane are biodegradable. The glue-free straw core board itself is a natural material, contains no glue, and can be gradually decomposed by microorganisms in the natural environment, preventing incomplete degradation. In stark contrast to traditional plastic drainage boards, this invention avoids the long-term environmental pollution problems caused by non-biodegradable plastics, conforms to the current concept of environmental protection and sustainable development, and helps reduce soil and water pollution, protecting the ecological environment.

1. Name of the designed product: purifier (environmental engineering). 2. Use of the designed product: for air purification. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention relates to a containerized method for the thermal treatment of contaminated solids, pasteous materials, and waste. The system comprises at least one thermally insulated container designed to minimize heat loss and enable material loading from a liftable top panel or a side panel, as well as at least one heat production unit featuring a burner control system and a combustion chamber capable of achieving oxidizing conditions for the complete destruction of contaminants. The method provides simultaneous thermal treatment of materials and vapor-phase contaminant destruction, supported by a ventilation system and a monitoring system for real-time adjustments. In a second aspect, the invention provides a containerized device with comparable operational features, designed for portability and modular deployment, facilitating on-site remediation in remote locations.

The application provides a groundwater in-situ remediation system and method of multiple biological permeation reaction wall coupling ultrasonic waves and plant remediation, the groundwater in-situ remediation system comprises a multiple biological permeation reaction wall, a PLC control system and an artificial plant ecological remediation area, the multiple biological permeation reaction wall is arranged in a funnel-gate type engineering, the funnel part blocks the contaminated groundwater through a vertical cement curtain, an ultrasonic generator module is arranged in front of the gate part of the multiple biological permeation reaction wall, the multiple biological permeation reaction wall is divided into two layers, the filling material of the first layer permeation reaction wall is mainly composed of zero-valent iron, iron oxide and construction waste, the filling material of the second layer biological permeation reaction wall is mainly composed of high-performance biological adsorption zeolite and ORC slow-release material calcium peroxide, a microbial bacteria liquid injection pipe is arranged in the second layer biological permeation reaction wall, and monitoring wells are arranged on the two sides of the multiple biological permeation reaction wall and the artificial plant ecological remediation area.The application can treat and remediate multiple composite pollutants at a time, and the pollutant degradation efficiency is improved.

The application provides a method for accelerating aerobic stabilization of a landfill, and belongs to the technical field of landfill treatment, and comprises the following steps: arranging a leachate recharge well in a garbage layer and arranging two water injection pipes with different positions in the leachate recharge well; covering the garbage layer; and respectively adding leachate with different microbial compound inoculants into the water injection pipes with different positions. The method provided by the application can shorten the degradation time of organic matters in the garbage, accelerate the stabilization of the garbage, and reduce the operation cost of the stabilization.

Described herein, inter alia, is a composition comprising an agricultural agent in particulate form and a microfibrillated cellulose, and methods of making and using the aforementioned composition.

This application discloses a process and apparatus for preparing composite carbon sources based on organic waste, relating to the technical field of organic waste treatment and resource recycling. The process includes the following steps: S1, Raw material screening: high-concentration traditional Chinese medicine waste liquid, alcohol-precipitated medicinal residue, and crude glycerol; S2, Raw material pretreatment: (1) pretreatment of high-concentration traditional Chinese medicine waste liquid; (2) pretreatment of alcohol-precipitated medicinal residue; (3) pretreatment of crude glycerol; S3, Carbon source preparation: including single-raw material carbon source preparation and compound carbon source preparation; S4, pH adjustment: the final carbon source pH is set to 6.5-7.5, requiring no pH adjustment, suitable for the influent water quality of wastewater treatment plants; S5, Application debugging: during application, a small-scale test is conducted to determine the optimal dosage; then a pilot-scale test is conducted to fine-tune the parameters. This application enables the preparation of high-quality composite carbon sources from organic waste and is applicable to the treatment of carbon-nitrogen ratio (CN) imbalance in wastewater treatment plants. It can replace traditional high-cost carbon sources, thereby achieving the dual goals of resource utilization of organic waste and cost reduction in wastewater treatment.

This invention belongs to the field of environmental microbiology and soil remediation technology, specifically relating to a composite microbial agent, its preparation method, and its application in the remediation of soils contaminated with heavy metals and organic matter. The composite microbial agent provided by this invention combines sulfur-modified biochar, a composite functional microbial community, and slow-release nutrients in a specific ratio. The sulfur-modified biochar contains sulfur-containing functional groups such as S=O and C-S, enabling specific adsorption and fixation of heavy metals. The composite functional microbial community consists of organic pollutant-degrading bacteria, plant growth-promoting bacteria, and heavy metal-converting bacteria in a specific ratio of viable bacteria, complementing each other to synergistically complete the degradation of organic matter and the conversion of heavy metals. The slow-release nutrient component provides long-term nutritional support. The preparation method of this composite microbial agent is simple and suitable for the remediation of heavy metal-organic matter contaminated soils in industrial, mining, and chemical sites, offering advantages such as high efficiency, long-term effectiveness, low cost, and environmental friendliness.