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15 results about "Green cleaning" patented technology

Green cleaning refers to using cleaning methods and products with environmentally friendly ingredients and procedures which are designed to preserve human health and environmental quality. Green cleaning techniques and products avoid the use of products which contain toxic chemicals, some of which emit volatile organic compounds causing respiratory, dermatological and other conditions. Green cleaning can also describe the way residential and industrial cleaning products are manufactured, packaged and distributed. If the manufacturing process is environmentally friendly and the products are biodegradable, then the term "green" or "eco-friendly" may apply.

Green clean energy comprehensive energy-saving management platform based on internet of things intelligent terminal

The application discloses a green clean energy comprehensive energy-saving management platform based on an Internet of Things intelligent terminal and particularly relates to the technical field of intelligent monitoring and optimal control, and is used for solving the problem that the prior art has no solution or outputs a high-risk operation strategy due to neglecting the coupling relationship between subsystems when dealing with multiple security constraints; through the Internet of Things terminal, operation parameters and security constraint boundaries are acquired, when multiple constraints are close to being reached, the key coupling path of the connected constraint is identified; then, the change of the conflict correlation strength between the constraints under different relaxation schemes is simulated, a target scheme that can reduce the network structure tightness to the maximum extent is selected by constructing and analyzing the conflict relationship network, a group of coordinated constraint boundaries is generated; finally, the global energy efficiency optimization calculation is performed and the equipment set value is output based on the boundaries, so that the coordinated control of the safe and efficient operation of the complex energy system is realized.
Owner:TIANJIN HEZHONG ENERGY TECHNOLOGY DEVELOPMENT CO LTD +1

Process for preparing an aqueous conductive primer from tdi production waste

PendingCN122344426AO-Phosphoric AcidPhytic acid
The application relates to the technical field of chemical solid waste resource utilization and water-based paint, and particularly discloses a process for preparing a water-based conductive primer from TDI production waste, wherein the TDI waste is first pretreated through acidolysis and oxidation, then modified by using a self-prepared vinyl silane oligomer and ground to obtain a water-based slurry; the water-based slurry is used as a seed to coat acrylate monomers through in-situ emulsion polymerization to form a core-shell structure conductive emulsion as a component A; meanwhile, phosphoric acid, phytic acid and the like are compounded to form a component B; and the two components are mixed in proportion and coated during use. The application realizes high-value and resource utilization of the TDI chemical solid waste, and the production process is green and clean; the prepared water-based primer has excellent adhesion, and through construction of a triple synergistic protection system, the composite coating is endowed with excellent long-acting corrosion resistance and storage stability; the VOC content of the whole system is extremely low, and the system is environment-friendly.
Owner:GANSU LIHENG NEW MATERIAL CO LTD

A wind-driven cleaning device for column insulators

This utility model relates to a wind-driven cleaning device for column insulators, comprising a rotating mechanism, several fan blade assemblies, and a brush assembly. The rotating mechanism includes an inner cover and an outer cover. The inner cover is fixedly sleeved on the end of the insulating column of the column insulator. The outer cover is rotatably sleeved outside the inner cover and connected to the inner cover via a bearing. Several fan blade assemblies are circumferentially spaced on the outer wall of the outer cover. Each fan blade assembly includes fan blades, which are fixed to the outer wall of the outer cover and arranged at a certain angle. The brush assembly includes a brush rod and brush bristles. One end of the brush rod is fixedly connected to the outer wall of the outer cover, and the other end extends to the outside of the insulating disc of the column insulator. The brush bristles are fixed at the end of the brush rod away from the outer cover and are embedded between the multiple insulating discs. This device uses natural wind power as its driving force, consumes no additional electricity, achieves green cleaning, is energy-saving and environmentally friendly, and eliminates the need for manual labor, saving a significant amount of manpower, reducing cleaning costs, and also reducing safety hazards.
Owner:CHINA RAILWAY 15TH BUREAU GROUP CORPORATION LIMITED +1

A new energy river sewage treatment intelligent system

The application discloses a new energy river sewage treatment intelligent system, physical treatment devices and photocatalytic treatment devices are sequentially arranged along the water flow direction through support frames fixed at both ends of a river; an intelligent control module is in communication connection with the physical treatment devices, the photocatalytic treatment devices and a catalyst recovery device, so that the devices automatically work according to a preset process; solar panels provide power supply for light sources in the photocatalytic treatment devices and the intelligent control module; a front river dam and a rear river dam are used to isolate independent photocatalytic treatment areas for the photocatalytic treatment devices. The application uses a solar photovoltaic system to provide power supply, uses photocatalytic materials as sewage degradation catalysts, uses green clean energy, does not need to consume extra electric energy, is low-carbon and environment-friendly, improves sewage purification efficiency, and is a high-efficiency, low-carbon, environment-friendly and intelligent sewage treatment system.
Owner:CHANGZHOU VOCATIONAL INST OF ENG

Cleaning agent composition and application

The invention discloses a cleaning agent composition and application. The cleaning agent composition is composed of an acidic cleaning agent with the pH value of 3.0-5.0 and an alkaline cleaning agent with the pH value of 7.0-9.0, wherein the volume ratio of the acidic cleaning agent to the alkaline cleaning agent is (0.01-3): (0.01-2). According to the cleaning agent composition provided by the invention, through scientific compounding of the food-grade oxidant and the food-grade surfactant, the natural color and complete form of peanuts can be kept after cleaning, surface stains and organophosphorus pesticide residues can be effectively removed, and the food safety and commodity value of the peanuts are greatly improved. When the cleaning agent composition is applied to peanut cleaning, the process is mild, no residue exists, the aflatoxin pollution risk possibly caused by hydrogen peroxide can be avoided, and an optimal green cleaning solution is provided for the peanut processing industry.
Owner:NANJING NORMAL UNIVERSITY

A ceramic membrane green cleaning agent based on reduction synergy and a convenient flux evaluation method

The application belongs to the technical field of cleaning agents, and provides a green ceramic membrane cleaning agent based on reduction synergy and a convenient flux evaluation method. The cleaning agent is composed of an alkaline penetrating stripping agent and an acidic cleaning agent containing a reducing medium. The two-step synergistic process of first alkaline cleaning to strip organic pollution layer and then acid cleaning to reduce and dissolve inorganic scale is adopted. The difficult-to-dissolve Fe 3+ is reduced to easily soluble Fe 2+ , and is complexed and removed, so that the sulfur-iron-organic compound pollution layer can be efficiently broken down. The flux recovery rate of the application is greater than 95%, no H2S gas is released, and no hydroxyl iron colloid is secondarily deposited. The application does not contain strong corrosive components and elements such as phosphorus and halogen, is green and biodegradable, and waste liquid can be directly discharged after neutralization. The application also provides a set of laboratory convenient flux evaluation device, realizes rapid, non-destructive and sealed flux test of small-size membrane sample, provides a reliable means for ceramic membrane cleaning effect evaluation, is gentle to operate, does not damage the membrane, is environmentally friendly and safe, and has significant practical value.
Owner:HEFEI UNIV OF TECH

A sulfur recovery process and system with low sulfur emission

This invention belongs to the field of sulfur recovery technology, specifically relating to an ultra-low sulfur emission sulfur recovery process and system. The ultra-low sulfur emission sulfur recovery process of this invention includes a thermal reaction unit, a catalytic reaction unit, a tail gas hydrogenation unit, and a deep purification unit. The acidic gas to be treated recovers sulfur through the thermal reaction, catalytic reaction, and tail gas hydrogenation units, and then connects to the deep purification unit. The sulfur recovery process of this invention fully utilizes the existing conditions of the sulfur recovery unit and makes full use of the waste heat of the unit, achieving a stable SO2 emission concentration in the flue gas below 10 mg / m³. 3 All sulfides are recovered and reused in the form of sulfur, with no secondary pollution, meeting the strictest environmental regulations and achieving green and clean operation of the sulfur recovery unit.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Production process of instant fruit grain type instant food

The invention provides a production process of instant fruit grain type instant food, and relates to the technical field of food processing. The process comprises the steps of raw material screening, green cleaning and disinfection, pretreatment, low-temperature vacuum drying, shaping, low-temperature sterilization and classified packaging. Fresh fruits and vegetables without diseases and insect pests are selected as raw materials, green disinfection is conducted through ozone water or ultraviolet rays, the fruits and vegetables are peeled, denucleated and diced, then low-temperature vacuum drying is conducted for 4-6 hours under the conditions of 40-55 DEG C and 0.08-0.1 MPa, then the fruits and vegetables are shaped into square or round or particles through a mold or a pelletizer, and finally the fruits and vegetables are subjected to low-temperature pasteurization to obtain the fruit and vegetable composite material. And sealing by tinplate cans or transparent environment-friendly packages respectively. The finished product does not contain any additive, retains nutritional ingredients such as VC in fruits and vegetables, is tender and sweet in taste and long in storage period, has the characteristics of health, convenience, greenness and fashion, can be used as a nutritional supplement food for military needs and a healthy instant snack for children and the public, and leads a healthy diet life style.
Owner:BEIJING JUJIN DESIGN CO LTD

A continuous dry method biological natural gas production device and process

The present application belongs to the technical field of biomass energy production process, and particularly relates to a continuous dry method biogenic natural gas production device and method. The device can include a wet material storage pool, a dry material storage pool, a feed mixing bin, a screw conveyor, an adjusting pool, a pH adjusting tank, a first-stage continuous rotary fermentation device, a first-stage strain culture tank, a second-stage continuous rotary fermentation reactor, a solid-liquid separator, a second-stage strain expansion tank, an organic fertilizer production workshop, a discharge device, a desulfurization tower, a biogas gas cabinet, a CO2 storage tank, a membrane separation device and a natural gas storage tank. The present application improves the biogas production rate, volumetric gas production rate and agricultural waste resource utilization level by improving the multi-element raw material ratio, synchronous pretreatment, hierarchical rotary dry anaerobic fermentation, CO2 biological methanation, fermentation system instability early warning, biological carbon capture and storage and other technologies, obtaining green clean energy, and helping to improve the rural environment and achieve the carbon neutralization target.
Owner:XINDI ENERGY ENG TECH

Ultrasonic Coupling Cleaning Process for Printed Circuit Board Substrates

PendingCN122094032ADiffuse fullyMeet the strict requirementsPrinted circuit manufactureMicro nanoFiber
This invention discloses an ultrasonic coupling cleaning process for printed circuit board substrates, belonging to the field of printed circuit manufacturing technology. The process includes cleaning solution preparation, pretreatment, ultrasonic coupling cleaning, gradient temperature field stabilization, microbubble-enhanced separation, post-treatment, and drying steps. The cleaning solution is free of hydrogen peroxide and stabilizers, employing a low-alkali system combined with frequency conversion ultrasound to achieve efficient removal of adhering substances. A gradient temperature field promotes the full diffusion of impurities between fibers, followed by in-situ adsorption and flotation via micro-nano bubbles to complete three-phase separation. This invention significantly improves the cleanliness of glass fiber electronic cloth, with a residual impurity index (LOI) ≤0.08% and a tensile strength retention rate ≥95%. The entire process involves no high-temperature calcination or damage from strong oxidants, resulting in low energy consumption, easily treatable wastewater, and strong process adaptability. It is suitable for efficient and green cleaning of high-end electronic reinforcing substrates such as printed circuit boards and electronic packaging materials, meeting the needs of large-scale production.
Owner:珠海珠玻电子材料有限公司

Preparation method and application of Zn-MOF-74 / sulfur-rich vacancy Zn0. 5Cd0. 5S porous composite material

The invention relates to the technical field of metal organic composite materials, and discloses a preparation method and application of a Zn-MOF-74 / sulfur-rich vacancy Zn0. 5Cd0. 5S porous composite material. Firstly, sulfur-rich vacancy Zn0. 5Cd0. 5S nanoparticles are generated through an in-situ hydrothermal method, and a metal organic framework Zn-MOF-74 is prepared through an ultrasonic method; and then compounding the sulfur-rich vacancy Zn0. 5Cd0. 5S and Zn-MOF-74 through an ultrasonic self-assembly method to obtain the high-charge-separation metal organic framework Zn-MOF-74 / sulfur-rich vacancy Zn0. 5Cd0. 5S porous composite material, and applying the high-charge-separation metal organic framework Zn-MOF-74 / sulfur-rich vacancy Zn0. 5Cd0. 5S porous composite material to green clean energy production and purification of heavy metal ions in industrial wastewater. The material prepared by the invention has excellent light energy conversion activity, and shows ever-increasing prospects in light energy conversion application in the fields of MOFs-based metal composite material enhanced environmental protection and green energy synthesis.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Plant tannin grafting composite magnetic flocculant, and preparation method and application thereof

The application belongs to the field of water treatment, and discloses a plant tannin grafted composite magnetic flocculant and a preparation method and application thereof. The composite magnetic flocculant comprises polymeric aluminum ferric silicate, Chinese gallnut tannic acid, a grafting modifier, polyethyleneimine and sodium acetate buffer. After the natural green substance Chinese gallnut tannic acid is subjected to Michael addition by the grafting modifier, graft copolymerization is realized, a large number of positive charge points are provided, a stable complex is formed through winding and electrostatic interaction, more flocculation bodies can be bridged, more compact and tough alum flowers are formed, and magnetic medium material is put into the flocculation bodies when the flocculation bodies are formed, so that fine magnetic powder particles are used as precipitation nucleuses, a micro magnetic field is formed to promote the growth of the flocculation bodies, the efficient removal of TP is accelerated, the input of reagents and energy consumption is reduced, low-cost, high-efficiency and green TP removal of a sewage treatment plant is realized, the operation cost is reduced, and remarkable economic benefits are achieved.
Owner:QINGTIAN FUCHUN ZIGUANG SEWAGE TREATMENT CO LTD

An industrial phosphogypsum and organic waste salt resource utilization system, method and application

ActiveCN118004974BCalcium sulphideWater immersion
The application provides a resource utilization system and method and application of industrial phosphogypsum and organic waste salt, and the resource utilization method comprises the following steps: mixing, granulating, calcining, water immersion treating and post-treating: industrial phosphogypsum, organic waste salt and a reducing agent are mixed and granulated to obtain a mixture; the mixture is subjected to calcining treatment to obtain a calcined product and a calcined tail gas; the calcined product is subjected to water immersion treatment to obtain a precipitate and a salt-containing solution, and then the precipitate and the salt-containing solution are respectively subjected to post-treatment to obtain a recovery product. The organic waste salt has the characteristics of molten salt at high temperature, the decomposition temperature of the phosphogypsum is reduced, the decomposition efficiency of the phosphogypsum is improved, the conversion rate of the phosphogypsum to calcium sulfide reaches more than 98%, and the organic matter in the organic waste salt is removed, and the removal rate of the organic matter reaches more than 99.5%. The method not only realizes the collaborative disposal and resource utilization of the industrial phosphogypsum and the organic waste salt, but also is environmentally friendly, safe and efficient, and is a green and clean resource utilization process.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES

Pipeline cleaning device for haematococcus pluvialis culture

The invention discloses a pipeline cleaning device for haematococcus pluvialis culture, and relates to the technical field of culture pipeline cleaning. By constructing a dirt thickness index and circulation resistance index model and combining image processing and sensor data, accurate quantitative evaluation of the pipeline pollution state and the blockage degree is achieved, experience driving in the cleaning process is converted into data driving, and scientificity and accuracy of cleaning decision making are improved; the correction coefficient is dynamically calculated according to the pollutant thickness and the blocking degree grade, the output power of the conveying pump and the output power of the reflux pump are intelligently adjusted based on the weight coefficient, optimal matching of the cleaning strength and energy consumption is achieved, and the problem of excessive cleaning or insufficient cleaning is avoided; according to the method, the weight coefficient is fitted through historical data, calculation of the pollutant thickness and the circulation resistance index is more targeted and adaptive, a power adjusting mechanism is combined, use saving of the cleaning solution and electric energy is achieved, the operation cost is reduced, and the requirements for green cleaning and sustainable development are met.
Owner:CHONGQING UNIV

Coupling system of copper slag recycling and CO2 mineralization based on industrial solid waste

A coupling system of copper slag recycling and CO2 mineralization process based on industrial solid waste includes the following steps: obtaining copper slags, performing a slag forming treatment, obtaining reforming slags, obtaining sponge iron, coupling the reforming slag with a CO2 mineralization process based on industrial solid waste, and coupling the CO2 generated in the process of obtaining sponge iron with the CO2 mineralization process based on industrial solid waste. The system includes a slag forming treatment device, a secondary treatment device, a first coupling device, and a second coupling device. The coupling system couples the recycling of copper slag with the existing CO2 mineralization process based on industrial solid waste. Various production lines can be organically integrated in a green and clean manner for both reforming slag and flue gas.
Owner:GREENORE HLDG CO