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Method and device for purifying direct drinking water

A direct drinking water and water purification technology, applied in the field of water treatment, can solve the problems of water quality that is difficult to guarantee free from bacterial pollution, transportation pollution, poor production conditions, etc., and achieve the effect of lasting and stable killing of microorganisms, clean chemical composition and firm load

Active Publication Date: 2014-10-08
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The first is poor production conditions and irregular management; the second is the pollution of transportation, storage, sales and water-related materials; the third is that bottled water does not contain any bactericidal and antibacterial ingredients, and has no resistance to microorganisms, so it is difficult to guarantee water quality without bacteria Pollution, and the water dispenser is exposed in actual use

Method used

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  • Method and device for purifying direct drinking water

Examples

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Comparison scheme
Effect test

Embodiment 1

[0025] A kind of method for direct drinking water purification of the present embodiment comprises the following steps:

[0026] (1) Tap water is pre-filtered through a polypropylene (PP) filter element to remove particulate impurities;

[0027] (2) The water pre-filtered in step (1) is purified and sterilized by a filter element of a silver-loaded porous ceramic membrane to obtain purified water;

[0028] (3) The purified water obtained in step (2) is passed through a copper-zinc alloy filter material (commercially available KDF55) with a mass ratio of 1:5 and activated carbon to remove heavy metal ions, toxic organic substances and residual chlorine to obtain direct drinking water.

[0029] The preparation method of the porous ceramic membrane loaded with silver described in the present embodiment is:

[0030] AgNO 3 Dissolve in water with NaOH to obtain an aqueous solution containing flocculent precipitates, add ammonia water dropwise to the above-mentioned aqueous soluti...

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Abstract

The invention belongs to the technical field of water treatment, and discloses a method and device for purifying direct drinking water. The method comprises the following steps: prefiltering with a polypropylene filter element, carrying out purification and sterilization with a silver-carried porous ceramic membrane filter element, and carrying out after-treatment with a copper-zinc alloy filter material and activated carbon. The device is composed of a primary treatment chamber with a polypropylene filter element prefilter, a secondary treatment chamber with the silver-carried porous ceramic membrane filter element, and an after-treatment chamber with the copper-zinc alloy filter material and activated carbon, wherein the primary treatment chamber is connected with the secondary treatment chamber through a pipeline, and the secondary treatment chamber and the after-treatment chamber are separated through porous stainless steel. The method and device for purifying direct drinking water has favorable purifying effect, and the sterilization rate can reach 100%.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to a method and a device for purifying direct drinking water. Background technique [0002] China's rapid economic development has brought more opportunities to the society and people, but it has also caused a series of negative effects, one of which is environmental problems related to water pollution. The water source is seriously polluted. The water treated by conventional methods has poor sensory properties, high content of organic matter, and some even contain carcinogens. The poor quality of drinking water has become a major concern of the whole society and an acute problem threatening the health of 1.3 billion people. People are eager to get better and safer drinking water with better sensory properties. Disinfection by-products cannot be removed, coupled with drinking water pollution caused by water transmission and distribution pipes and secondary wate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04
Inventor 王海辉王艳杰
Owner SOUTH CHINA UNIV OF TECH
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