144 results about "Chemical free" patented technology

The disclosed principles for providing a chemical-free filtering of particulate down below sub-micron levels, while concentrating the particulate into a sludge. The disclosed principles integrate cross-flow filtration (i.e., micro-filtration or ultra-filtration) with a settling tank (or “weir”) to provide sequential filtration and dewatering of an aqueous media. The disclosed technique operates chemical-free and is continuous. Applications for systems and processes in accordance with the disclosed technique are wide, and include aggregate fines removal, sediment removal, replacement for clarifiers, etc.

A sanitizer for sanitizing various surfaces including hands, hardware, fixtures, appliances, countertops, equipment, utensils and more and more specifically to a chemical-free sanitizer, more specifically to an ozone-free sanitizer and yet more specifically to an electronic sanitizer and yet more specifically to an ion source sanitizer.

A Chinese medicine in the form of particles for treating cervical spondylopathy, especially the nerve root type one, is prepared from 7 Chinese-medicinal materials including notoginseng, Chuan-xiong rhizome, white peony root, clematis root, etc. through pretreating, crushing, solvent extraction, purifying, concentrating, drying and granulating.

Provided is a method of producing an integral 3D graphene-carbon hybrid foam, comprising: (a) mixing multiple particles of a graphitic material and multiple particles of a solid polymer carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus to peel off graphene sheets from the graphitic material and transferring the graphene sheets to surfaces of solid polymer carrier material particles to produce graphene-coated polymer particles; (c) recovering the graphene-coated polymer particles from the impacting chamber and consolidating the graphene-coated polymer particles into a desired shape of graphene-polymer composite structure; and (d) pyrolyzing the shape of graphene-polymer composite structure to thermally convert the polymer into carbon or graphite that bonds the graphene sheets to form the integral 3D graphene-carbon hybrid foam.

The invention relates to application of a microbial fermentation method in co-production of wheat bran oligose and dietary fiber. The invention aims to developed and utilize the wheat bran comprehensively; an efficient biological process route is adopted to deeply processing wheat bran, and the microbial fermentation method is used to prepare wheat bran dietary fiber and functional oligose simultaneously. The microbe used in the method refers to a single strain, pullularia pullulans or mixed strains of aureobasidium pulluans and agrocybe aegerita; in fermentation of wheat bran, substances in the wheat bran, such as starch and protein, can be taken as nutritional ingredients for the growth of microbes, when digesting the substances, the microbes can generate xylanase so as to hydrolyze wheat bran hemicellulose to generate oligose and prepare dietary fiber simultaneously. According to the method, the research and development idea of developing a single product is broken through, the rate of multipurpose utilization of the resource is high, the production costs is low, chemical substance residual does not exist, the environment is not polluted, a new processing technology model of 'ecological, low-carbon and efficient circulating' is formed, and the additional value of the wheat bran product is increased.

The present device relates to a home electronic appliance-type vegetable-growing machine which can be cleanly installed in an interior living room or a kitchen in the form of an independent home electronic appliance using an LED light source and a hydroponic technique. The home electronic appliance-type vegetable-growing machine comprises: a frame; a plurality of culture trays and culture solution supplying-tanks slidably coupled to a guide rail of the frame; an LED light source; a culture solution pump; pipes for supplying the culture solution; a pipe connection port; and a casing for receiving the culture solution pump, the pipes, and the pipe connection port. The vegetable-growing machine may be disposed near the kitchen or the living room so as to provide decorative effects by means of the LED light source and provide fresh chemical-free foods on the spot.

A method of producing isolated graphene sheets directly from a graphitic material, comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; b) operating the impacting apparatus for peeling off graphene sheets from the graphitic material and transferring these graphene sheets to surfaces of solid carrier material particles to produce graphene-coated solid particles inside the impacting chamber; c) separating the graphene sheets from the solid carrier material particle surfaces to recover isolated graphene sheets. The method enables production of graphene sheets directly from a graphitic material without going through a chemical intercalation or oxidation procedure. The process is fast (hours as opposed to days of conventional processes), has low or no water usage, environmentally benign, cost effective, and highly scalable.

Provided is a simple, fast, scalable, and environmentally benign method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, the method comprising: (a) mixing multiple particles of a graphitic material and multiple particles of an inorganic solid carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from the graphitic material and transferring the graphene sheets to surfaces of solid inorganic material particles to produce graphene coated or graphene-embedded inorganic particles inside the impacting chamber; and (c) forming graphene-coated or graphene-embedded inorganic particles into the graphene-reinforced inorganic matrix composite. Also provided is a mass of the graphene-coated or graphene-embedded inorganic particles produced by this method.

The invention relates to a Chinese herbal medicine fodder for hybrid pigs. The Chinese herbal medicine fodder for the hybrid pigs comprises the following raw materials in parts by weight: 35-40 parts of corn powder, 15-20 parts of bean pulp, 5-8 parts of wheat bran, 5-8 parts of bran and 25-35 parts of nutritional additive. A preparation method of the nutritional additive comprises the following steps of: crushing 0.5-1.5 parts of pepper, 0.5-1.5 parts of aniseed, 0.5-1.5 parts of spice leaf, 0.5-1.5 parts of Chinese cinnamon, 0.5-1.5 parts of dried orange peel, 0.5-1.5 parts of garlic powder, 5-15 parts of crab, 100-200 parts of soybean and 100-200 parts of peanut into 30-60 meshes; and then mixing and uniformly agitating to obtain the nutritional additive. The Chinese herbal medicine fodder for hybrid pigs not only has abundant nutritions but also does not contain chemical substances and hormones; the hybrid wild pigs have good meat quality and taste and does not contain the toxic side-effects on the human body; and 0.5-1.5 parts of liquorice, 0.5-1.5 parts of almond, 0.5-1.5 parts of astragalus mongholicus and 0.5-1.5 parts of Chinese pulsatilla root are added into the fodder to achieve the aims of decreasing the morbidity of the hybrid pigs and increasing the immunity of the hybrid pigs.

The invention discloses a production and processing technology of a light phase substance pentosan of wheatmeal and wheat flour. The production and processing technology comprises the following steps: carrying out centrifugal separation on a light phase substance of a raw material, steaming, precipitating and filtering a product, concentrating, adding amylase and extracting, and finally carrying out drying treatment. The whole process of the production technology has high degree of automation. The by-product the light phase substance produced after production of wheat starch is fully utilized, thus changing waste into valuables. The raw material is fully utilized. Comprehensive utilization rate of the product is high. By pipeline production, there is no pollution during the whole course. There is no addition of chemical substances during the production process. Thus, there is no pollution and it is beneficial to environmental protection. The period of the production process is short, and added value of the product is high.

A chemical-free and no-microbe method for pre-treating a broad range of waste waters is presented. The said method involves electrocoagulation (EC) operated in synchronization with electrolytic ozone (EO3). In the combinatory method, each technique not only applies its own treatments, they also create synergistic effects from real-time reactions among the reagents generated by electrolysis. Two refractory waste waters, seawater and tannery effluent, are tested by the combinatory method, EC+EO3, to assess the viability of the said method. Without adjustment, each of the said waste waters is remedied by EC+EO3 from its raw state to a clean condition more effectively and more economically than that can be delivered by the respective prevailing processes of pretreatment for each of the said waste waters.

A method for cleaning containers, in particular bottles of glass or plastics, and a cleaning machine with at least one cleaning medium, with the containers cleaned at least in one station preferential for the cleaning result and / or in a procedure step with at least essentially chemical-free cleaning media. The cleaning medium is advantageously a granular material, in particular granular ice, carried under pressure with compressed air or compressed water. The cleaning machine suited for carrying out the method includes downstream of an unpacking and presoaking station, a pre-cleaning station with a high pressure water blasting pre-cleaning section, and subsequently an intensive cleaning station with at least one intensive cleaning section to which a pressure blasting system for chemical-free, granular material and a carrier medium are associated, and a disinfection station following the intensive cleaning station.

Provided is a simple, fast, scalable, and environmentally benign method of producing graphene-embraced or encapsulated particles of a battery electrode active material directly from a graphitic material, the method comprising: a) mixing graphitic material particles, multiple particles of an electrode active material, and non-polymeric particles of milling media to form a mixture in an impacting chamber, wherein the graphitic material has never been intercalated, oxidized, or exfoliated and the chamber contains therein no previously produced graphene sheets; b) operating the energy impacting apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from the graphitic material and transferring graphene sheets to surfaces of electrode active material particles to produce graphene-embraced active material particles; and c) recovering the graphene-embraced particles from the impacting chamber. Also provided is a mass of the graphene-embraced particles, electrode containing such particles, and battery containing this electrode.

The invention provides a modifier for repairing rare earth tailing sand and a treatment method of the rare earth tailing sand. The modifier is prepared from sepiolite, animal dung, humic acid and charcoal in a mass ratio of (0.05 to 0.5) : (0.05 to 0.3) : (0.03 to 0.2) : (0.04 to 0.3). Under the coordination of the sepiolite, the animal dung, the humic acid and the charcoal, repairing of the rare earth tailing sand is realized, no chemical substance is introduced, and secondary damage to soil is avoided; moreover, the soil fertility is improved by comprehensive application of the modifier.

Provided is a method of producing pellets of a graphene-polymer composite, the method comprising: (a) mixing multiple particles of a graphitic material and multiple particles of a solid polymer carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from the graphitic material particles and transferring the graphene sheets to surfaces of the solid polymer carrier material particles to produce graphene-coated polymer particles inside the impacting chamber; and (c) feeding multiple graphene-coated polymer particles into an extruder to produce filaments of an extruded graphene-polymer composite and operating a cutter or pelletizer to cut the filaments into pellets of graphene-polymer composite. The process is fast (hours as opposed to days of conventional processes), environmentally benign, cost effective, and highly scalable.

Provided is a simple, fast, scalable, and environmentally benign method of producing a graphene-reinforced polymer matrix composite directly from a graphitic material, the method comprising: (a) mixing multiple particles of a graphitic material and multiple particles of a solid polymer carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from the graphitic material and transferring the graphene sheets to surfaces of solid polymer carrier material particles to produce graphene-coated or graphene-embedded polymer particles inside the impacting chamber; and (c) forming graphene-coated or graphene-embedded polymer particles into the graphene-reinforced polymer matrix composite. Also provided is a mass of the graphene-coated or graphene-embedded polymer particles produced by this method.

A chemical free trap that catches biting flies and other insects is herein disclosed. Features of the present trap include a dark-colored baitless lure which attracts biting flies, a collapsible housing that includes a fabric cover and an entrapment and containment space, a weather-resistant construction enabling the trap to be used in outdoor areas or structures, and a means for easy insect removal.

The invention discloses an automatic chemical feeding system and device for a plant protection unmanned aerial vehicle. The system comprises an airborne subsystem of the plant protection unmanned aerial vehicle and a ground base station; the airborne subsystem comprises a liquid level detection module and a chemical feeding control module; the output end of the liquid level detection module is connected with the chemical feeding control module; the liquid level detection module is used for detecting the liquid level of a chemical box of the plant protection unmanned aerial vehicle, and the chemical feeding control module is used for controlling the plant protection unmanned aerial vehicle to return to the ground base station when the liquid level of the chemical box of the plant protection unmanned aerial vehicle is lower than a preset value; the ground base station comprises an unmanned aerial vehicle parking detection device, a base station control center and a chemical feeding device; the output end of the unmanned aerial vehicle parking detection device is connected with the base station control center, and the output end of the base station control center is connected with the chemical feeding device. According to the automatic chemical feeding system and device for the plant protection unmanned aerial vehicle, real-time detection on the liquid level of the chemical box of the plant protection unmanned aerial vehicle can be achieved, when the liquid level in the chemical box is lower than the preset threshold value, the unmanned aerial vehicle is controlled to return to the base station for automatic chemical feeding, and the situation of chemical-free operation of the plant protection unmanned aerial vehicle is avoided.

The invention discloses a preparation method of a novel biological deodorization bacterium agent. The preparation method comprises the following steps: a, selecting strains: selecting the following microorganism strains according to a weight ratio: saccharomycetes, bacillus subtilis, bacillus licheniformis, lactobacillus plantarum and bacillus megaterium; b, carrying out primary culture; c, carrying out secondary culture; d, uniformly mixing; e, freezing and drying in vacuum; f, selecting 300 to 320 parts of activated carbon, 250 to 280 parts of diatomite and 230 to 270 parts of zeolite according to a weight part ratio; crushing until the granularity is 26 to 35 meshes; sufficiently and uniformly mixing with solid-state bacterium powder to prepare the novel biological deodorization bacterium agent. The preparation method disclosed by the invention has the advantages that organic matters, which emit an undesirable odor, are composted and fermented through a microorganism strain, and substances, which emit the undesirable odor, are transformed into odorless substances, so that the source of the undesirable odor is solved radically and a very good deodorization and purification effectis realized; the novel biological deodorization bacterium agent has no pollution to the environment, no residues of chemical substances and is very environmentally friendly.

A sanitizer for sanitizing various plumbing fixtures and specifically, to a chemical-free sanitizer, more specifically to an ozone-free sanitizer, and yet more specifically to an electronic sanitizer using ions.

The invention discloses a microcellular foam thermoplastic elastomer for a high-speed railway damping base plate. The microcellular foam thermoplastic elastomer is prepared from the following raw materials in parts by weight: 20-80 parts of ethylene propylene diene rubber, 20-80 parts of polypropylene, 0.1-10 parts of a crosslinking agent, 0.3-60 parts of a crosslinking catalyst, 0.5-3 parts of a microcellular foaming agent and 1-10 parts of an aid. A molded product in the invention is a closed-pore microcellular foam elastomer product of which the pore diameter is dozens of microns, and has the advantages of smooth and even appearance, independent air bubbles, small foams and no residue of chemical substances. Meanwhile, the weight of the molded product can be reduced by 10-40 percent, absorbed energy can be increased by 3-5 times under the action of impact, and original crack tips can be passivated, so that the toughness of a material is enhanced, fatigue life is prolonged, and the requirements of physical property, elasticity, kinetic energy absorption and the like on the high-speed railway damping base plate can be met.

In various embodiments, the present invention provides a relatively low cost and substantially chemical free method of making high surface area mesoporous carbon (as well as novel mesoporous carbon hollow tube (MCHT) structures made thereby) utilizing the cellulose framework found in natural wood and / or other plant fibers to make porous carbon structures. In some embodiments, the present invention will provide porous carbon structures having higher surface area than porous carbon structures made using prior art template methods, higher adsorption capacity than commercial activated carbon, and, in some embodiments, excellent electrochemical capacitance and storage capabilities. These new carbon materials may be adapted for a wide variety of uses including such things as removal of both inorganic and organic toxic pollutants from water, energy storage / conversion, supercapacitor electrodes for electrochemical energy storage, adsorption, and catalysis.

A sanitizer for sanitizing various surfaces including hands, hardware fixtures appliances, countertops, equipment, utensils and more and more specifically to a chemical-free sanitizer, more specifically to an ozone-free sanitizer and yet more specifically to an electronic sanitizer and yet more specifically to an ion source sanitizer. The present invention relates generally to an ion sanitizer including a controller and at least one ion electrode operationally coupled to the controller and the ion electrode includes a plurality of ion sources spaced 6-51 mm apart The ion sanitizer defines a fixture cavity having a plurality of ion sources each include a point directed toward the fixture cavity.

The invention relates to the field of sewage treatment, and particularly relates to a treatment method for jointly performing oxidation of trivalent arsenic and reduction of hexavalent chromium by using an organic acid. The method comprises the following steps: adding micromolecular organic acid with a double-carboxyl structure to a to-be-treated water body containing trivalent arsenic As(III) and hexavalent chromium Cr(VI), and adjusting the pH value, so as to trigger oxidation of arsenic, reduction of chromium and transformation into carbon dioxide from organic acid in the water body. Synergistic treatment of toxic substances, namely the trivalent arsenic and the hexavalent chromium is achieved by using these micromolecular organic acids existing in the water body, finally the three harmful substances are transformed into the products which are smaller in toxicity, or completely harmless, self-cleaning of the water body is achieved, in addition, no chemical reducer or oxidant is added, the treatment method is free of input of an external energy source, free of adding of chemical substances, free of secondary pollution, free of sediments or sludge, environmental friendly, and free of harm.

The invention relates to a preparation method of a synthetic quartzite sheet material, which is characterized in that the synthetic quartzite sheet material comprises the following raw materials: 10-120 meshes of quartz sand, 150-400 meshes of quartz powder and 400-500 meshes of low melting glass powder; the sheet material comprise the following raw materials by mass percentage: 60-75% of quartz sand, 13-32% of quartz powder and 8-13% of low melting glass powder; the preparation method comprises the following steps: 1)cleaning the quartz sand to form base sand; 2)respectively weighing the low melting glass powder and quartz powder through a metering device and mixing two raw materials; 3)sending the base sand in the step 1) and a mixture in the step 2) according to 50% proportion in a mixing machine for fully centrifuging and mixing; 4)sending the mixture in the step 3) in moulding equipment for spreading materials, shaping, and vibrating and extruding; 5)heating; 6)cooling and solidifying; and 7)polishing surface and trimming to obtain the finished product. The preparation method has the beneficial effect that no chemical is added, technology is simple, and efficiency is high.

The invention belongs to the technical field of phase field methods, and discloses a phase field analysis method for simulating the phase change of a [Gamma]-TiAl alloy under a non-isothermal condition. Through the thermodynamics and dynamics parameters of an alloy system, an initialization condition is determined; according to the crystal structure of an intermetallic compound in the alloy, a sublattice model is used for constructing a chemical free energy model; meanwhile, a gradient descent method is used for calculating a corresponding atomic occupancy ratio; a corrected potential well function is used for coupling of a relationship between the chemical free energy of each phase and a structure field variable [Eta]; meanwhile, elastic energy is added to construct a system free energy function; the constructed function is substituted into a phase field equation; the result values of the structure field variable and an ingredient field variable are calculated; and then, visualizationprocessing is carried out to obtain a corresponding organization evolution diagram, and the results are analyzed. By use of the method, grain evolution processes at different temperatures and tissueevolution rules under different cooling rates can be simulated, and a reference is provided for researching the phase change process of the intermetallic compound.

A desalination system (100) having an intake unit (110) providing seawater to a pre-treatment unit (120) connected to a reverse osmosis (RO) desalination unit (130) and a post treatment unit (150). The desalination system (100) is configured to operate without any external addition of chemicals to simplify logistics and regulation concerns. The units of the system are configured to prevent biofouling, scaling and corrosion by mechanical and biological means including high flow speeds, biological flocculation of colloids, and making the water entering the RO units inhospitable to bacteria and other organisms that cause biofouling, hence preventing their settlement and removing them with the brine. Recovery rate is lowered and energy is recovered to increase the energetic efficiency and minerals that are added to the product water are taken from the brine.

The invention belongs to the technical field of detection and analysis and relates to a method of on-line quickly detecting total anti-oxidizing property of samples through high performance liquid chromatography (HPLC) and a free radical detection system. The high performance liquid chromatographic analyzer includes, in a successively connected manner, a sample injector, a quaternary gradient pump, a chromatographic analytic column, a column oven and a photodiode array detector. The free radical detection system includes a free radical reaction module, a temperature controlling box, a high-pressure pump and an ultraviolet visible light detector. The free radical reaction module is connected to the high performance liquid chromatography. The temperature controlling box is used for controlling the temperature of the free radical reaction module. The high-pressure pump is connected to the free radical reaction module. The free radical reaction module is connected to the ultraviolet visible light detector. A C18 reversed-phase chromatographic column is employed as a chromatographic analytic column and is 20*3.9 mm and 5 [mu]m in model. The free radical belongs to chemical free radicals. The method is complete and beautiful in peak pattern without trailing phenomenon, is accurate in test result, is quick, is high in selectivity and is high in sensitivity.

A method for cleaning containers, in particular bottles of glass or plastics, and a cleaning machine with at least one cleaning medium, with the containers cleaned at least in one station preferential for the cleaning result and / or in a procedure step with at least essentially chemical-free cleaning media. The cleaning medium is advantageously a granular material, in particular granular ice, carried under pressure with compressed air or compressed water. The cleaning machine suited for carrying out the method includes downstream of an unpacking and presoaking station, a pre-cleaning station with a high pressure water blasting pre-cleaning section, and subsequently an intensive cleaning station with at least one intensive cleaning section to which a pressure blasting system for chemical-free, granular material and a carrier medium are associated, and a disinfection station following the intensive cleaning station.