32 results about "Activated charcoal" patented technology

The invention discloses a nano argentums nonwoven cloth and its application on filter cartridge, specially to a filter cartridge which uses a high-technology industry used splash plating equipment to splash and plate a nano grade argentum thin film with bacterium suppressing effect on the nonwoven cloth, applies it on the filter cartridge products and contains the nano argentum nonwoven cloth. The filter cartridge has a hollow pole shaped body, includes a filtering material protection layer, an absorbent charcoal part, a rubber glue cover, a rubber cushion and a telescopic meshwork, wherein, the nano argentum nonwoven cloth produced by the method is coated between the absorbent charcoal part and the telescopic meshwork. The produced filter cartridge has the function of clearing away peculiar smell, coloring matter and aquatic chlorine and antimicrobial function (with an antimicrobial rate above 99.9%), thereby the use is safe and reliable, the drinking water quality is greatly improved, and the water gives prodigious help to the health of human body.

Disclosed is a hemostatic injection of carbazochrome sodium sulfonate and method for preparation, wherein the injection comprises carbazochrome sodium sulfonate 0.005-0.5 wt%, the optimum content being 0.008-0.2%, auxiliary solvent 0.001-0.5 wt%, the optimum content being 0.002-0.1%, osmoregulation agent 0.8-15 wt%, and water for injection 84.0-99.1%. The preparing process consists of boiling, filtering, removing charcoal, adjusting pH to 4.5-6.5, passing soup through a charcoal layer, loading into transfusion bottles, venting nitrogen, rolling the caps, and sterilizing.

The invention belongs to the field of preparation of organic pollutant catalytic degradation materials, and discloses an agricultural straw charcoal loaded nano Co3O4 composite catalyst and a preparation method thereof. The method comprises the following steps: cleaning, drying, crushing and sieving agricultural straws to obtain straw powder, calcining and cooling the straw powder to obtain primary biochar powder, mixing the primary biochar powder with a KOH aqueous solution, stirring and drying the mixture to obtain a mixture of primary biochar and KOH, and calcining, cooling, washing and vacuum-drying the mixture to obtain the biomass charcoal. The preparation method comprises the following steps: preparing activated charcoal with a porous structure and a high surface area, mixing the activated charcoal with ethanol to obtain a suspension, mixing the suspension with CoCl2. 6H2O and NH4HCO3, stirring, washing and drying to obtain a charcoal composite catalyst precursor, and grinding,calcining and cooling the charcoal composite catalyst precursor to obtain the agricultural straw charcoal loaded nano Co3O4 composite catalyst. The method can solve the problem that a single metal oxide Co3O4 is low in catalytic efficiency and unstable and easily causes secondary pollution to the environment.

The invention relates to a method for treating an overdosing with active substance dabigatran etexilate of formula I

optionally in the form of the pharmaceutically acceptable salts thereof, comprising the administration of an effective amount of charcoal.

The invention relates to a tea seed oil refining process and belongs to the technical field of oil and fat refining of deep processing of agricultural and sideline products. The process includes the steps of crude tea seed oil low-temperature alkali refining for the removal of free fatty acids, first ceramic ultrafiltration membrane saponin removal, rinsing degumming, activated charcoal adsorption, second ceramic ultrafiltration membrane low-temperature ultrafiltration impurity removal for obtaining first-class tea seed oil and ceramic ultrafiltration membrane backwash in hot water at the temperature of 50 DEG C -90 DEG C. According to the tea seed oil refining process, the refining oil yield rate can be improved, nutrients, active substances and aroma of the oil are not lost, the refining process does not cause secondary pollution, and the obtained refined tea seed oil is clear in appearance and good in product stability.

The invention discloses a preparation method and application of modified locust tree leaf charcoal. The preparation method comprises the following steps of: (1) putting locust tree leaves in a zinc chloride solution for dipping for 24 hours, filtering, drying, carbonizing and activating in an inert atmosphere, then introducing a NaOH solution for reverse spraying, and standing to obtain primarilyactivated charcoal; (2) activating, cooling and washing the primarily activated biochar again in an inert atmosphere to obtain activated charcoal; and (3) adding the activated charcoal into a citric acid solution, esterifying under microwaves, then adding beta-cyclodextrin and distilled water, continuously reacting, cooling, washing and drying to obtain the modified sophora tree leaf charcoal. Thepreparation method disclosed by the invention is low in cost, wide in raw material source, mild in reaction condition, simple to operate and free of special requirements on equipment, and the obtained product can be used for efficiently removing the organic pollutant bisphenol A in the water body and has the advantages of being wide in applicable water body pH range, resistant to ion interferenceand the like.

The invention discloses a preparation method of activated biochar loaded with zero-valent iron. The preparation method comprises the following steps: 1) washing rice straws and leersia hexandra straws with water, drying in the sun, and cutting into straw sections with the size of 1-4cm; (2) mixing the rice straw sections and the Leersia hexandra straw sections according to any proportion, adding a phosphoric acid solution, stirring at normal temperature for 22-26 hours, then cleaning with pure water, and drying; 3) putting the dried sample into a tubular furnace, heating to 500-700 DEG C at a heating rate of 3-8 DEG C/min under the protection of inert gas, and pyrolyzing for 1-2 hours; 4) cooling a sample obtained after pyrolysis, and crushing to obtain activated biochar; and 5) mixing the prepared activated biochar with zero-valent iron powder according to a mass ratio of 1: (1-2), adding the mixture into a ball milling tank, adding ball milling beads according to a ball-to-material ratio of (50-100): 1 and a ball mill rotating speed of 400-500rpm, and carrying out ball milling for 1-3 hours under a vacuum condition to obtain the zero-valent iron loaded activated biochar.

The invention relates to a method for adsorbing hexavalent chromium-containing wastewater by using a bismuth ferrite modified charcoal compound. The preparation method comprises the following steps: cleaning pomegranate shells with hydrochloric acid, chopping and introducing the treated pomegranate shells in a furnace for carbonizing, dispersing the carbonized pomegranate shells in a zinc chloridesolution, reacting while violently stirring at high temperature, carrying out suction filtration, cleaning, drying, carrying out high-temperature carbonization in a nitrogen atmosphere to obtain activated charcoal, and cleaning with hydrochloric acid; weighing and dissolving the activated charcoal, bismuth nitrate hexahydrate, ferric nitrate nonahydrate and polyvinylpyrrolidone into deionized water, uniformly stirring, dropwise adding potassium hydroxide to adjust the pH value, and continuously stirring; finally, transferring an obtained mixture into a high-pressure reaction kettle to react,centrifugally separating, and cleaning with ethanol and deionized water; drying to obtain a bismuth ferrite modified charcoal compound finished product. In applications, the bismuth ferrite modified charcoal compound is added into hexavalent chromium-containing wastewater, adsorption is performed after uniform stirring, and the adsorption capacity of a prepared sample on hexavalent chromium is determined. According to the method, the bismuth ferrite modified charcoal compound is large in hexavalent chromium adsorption capacity, low in treatment cost and environmentally friendly.

The invention discloses a tumor nursing device capable of improving the comfort level and a using method thereof. According to the key point of the technical scheme, the tumor nursing device capable of improving the comfort level is comprises a bed board and a purification assembly, a plurality of universal wheels are fixedly mounted on the bottom face of the bed board, two back boards are fixedly mounted on the top face of the bed board, a plurality of rubber blocks and a plurality of massage bars are fixedly mounted on one side of the back plate located on the right side, and a supporting column is fixedly mounted on the bottom face of the bed board. The purification assembly is arranged at one end of the supporting column and used for purifying peculiar smell, when a patient needs to vomit, a medical worker can open a top cover, at the moment, vomitus of the patient enters a storage bin to be stored, the peculiar smell can be absorbed through an activated carbon rod, then the effect of purifying the peculiar smell is achieved, and the patient feels more comfortable when breathing air; and by arranging an ultraviolet lamp, the ultraviolet lamp can emit ultraviolet light to kill bacteria in the vomitus.

The invention discloses a loofah sponge health-care insole which is mainly prepared by taking loofah sponge as a carrier through the steps of decocting pure traditional Chinese medicines, soaking, airing, stretching, flattening, cutting, spraying loofah sponge powder and loofah sponge activated carbon powder and then covering edges, and the pure traditional Chinese medicines consist of American ginseng, ligusticum wallichii, tuber fleeceflower stem, tartary buckwheat, mangnolia officinalis, cassia seed and selfheal. The loofah sponge is soaked in pure traditional Chinese medicine liquid compounded by American ginseng, ligusticum wallichii, tuber fleeceflower stem, tartary buckwheat, mangnolia officinalis, cassia seed and selfheal, and the medicinal smell stimulates meridian point reflection areas of a human body through the breathable loofah sponge, so that beriberi and foot odor fungi can be well eliminated and inhibited. After a patient with serious beriberi and foot odor continuously uses the insole for one month, the beriberi and the foot odor can be thoroughly cured, and relapse is avoided.

The invention discloses a processing method for removing harmful substances in vinegar of bamboo and wood and wet tissue liquid and mouth wash prepared by the processing method, and belongs to the technical field of organic hygienic products. The method comprises the following steps: adsorbing tar by using bamboo wood powder, insolating in the sun, carrying out filter pressing, oxidizing phenol, ketone and aldehyde harmful substances by using potassium permanganate, filtering and adsorbing oxidized harmful substances by using quartz sand, filtering and removing residual harmful substances and oxides by using cocoanut active charcoal, measuring the content of organic acid, and diluting to a specified concentration by using water. The method is used for preparing wet tissue liquid and mouth wash. According to the processing method for removing harmful substances in the vinegar of bamboo and wood and the wet tissue liquid and the mouth wash prepared by the processing method, the blank that no organic product exists in hygienic products is filled, the production cost is low, the process is simple, the safety to human and livestock and the environmental compatibility are very good, and the manufacturing process is environment-friendly.

The invention discloses an electrochemical sensor for detecting the ratio of Pb<2 +> as well as a preparation method and application of the electrochemical sensor. Bismuth nanoparticles (BiNCs) serve as an internal reference probe for the first time, and green and environment-friendly activated charcoal (AB) wide in source is selected as a carrier to anchor the BiNCs to construct a BiNCs-AB composite material. The Pb<2+> and BiNCs peak current ratio (IPb<2+>/IBiNCs) is taken as an output signal, the Pb<2+> is subjected to electrochemical detection in an electrolyte solution, and the interference caused by a sensing environment can be eliminated through ratio sensing. The electrochemical sensor prepared by the invention shows good detection sensitivity to Pb<2+>; according to the ratio electrochemical sensor constructed by the invention, detection reproducibility and reliability are remarkably improved, and rapid quantitative analysis of Pb<2+> is realized.