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328 results about "Bottled water" patented technology

Bottled water is drinking water (e.g., well water, distilled water, mineral water, or spring water) packaged in plastic or glass water bottles. Bottled water may be carbonated or not. Sizes range from small single serving bottles to large carboys for water coolers.

Hydrogen water preparation method and device, bottled water production line and water purifier or water dispenser

The invention aims at providing a hydrogen water preparation method and device, a bottled water production line and a water purifier or water dispenser which mainly solve the problems that hydrogen water prepared through an existing preparation method is poor in quality and drinking safety. The hydrogen water preparation method comprises the steps that a proton membrane and a cathode and an anode which are located on the two sides of the proton membrane are supplied; the cathode and the anode are electrified, and water is introduced into only one side of the cathode; part of the water is electrolyzed to generate hydrogen on the cathode side and generate oxygen on the anode side; the generated hydrogen is mixed with the water on the cathode side to form the hydrogen water. The hydrogen water prepared through the hydrogen water preparation method has the advantages of being fine in hydrogen bubble, high in hydrogen-enriched level and free of introduced contaminants; meanwhile, due to the fact that the generated hydrogen is uniformly distributed on the electrodes making contact with the water, the water-hydrogen mixing effect is good, and hydrogen enriching is better promoted; in addition, hydrogen generated through electrolysis has more activity and not only can be used for preparation in a large hydrogen water plant but also can be used for site production of small household water dispensers.
Owner:合肥高新区太空科技研究中心 +1

Rapid analysis method of disinfection side product dibromo-acetonitrile in drinking water

A rapid analysis method of dibromo-acetonitrile comprises sample pre-treatment, instrument condition control and operation measurement. The method is specifically characterized in that in the sample pre-treatment process, adjusting the pH in a range of 4.5-5.0, using any one of ascorbic acid, sodium thiosulfate, sodium sulphite and ammonium chloride as a chlorination reaction termination agent, using any one of methyl tertiary butyl ether, ethyl acetate, normal hexane and normal pentane as an extraction agent, using a gas chromatography-mass spectrum instrument as a main instrument for detecting DBAN, controlling the sample size to be 3 microlitres, and controlling the temperature at the feeding opening at 110-130 DEG C. The analysis method of the invention improves the pre-treatment method of liquid-liquid extraction, establishes a high-efficiency extraction method, and improves recovery rate and enrichment times of the DBAN. The analysis technique can be widely applied to detection of yielding water in large, medium and small feed water treatment plants, to water quality security check for drinking water production units of bottled water and barrelled water, and to the industries with special water quality requirements and water drinking hygienic monitoring and investigation department.
Owner:TONGJI UNIV
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