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Direct drinking water production method

A production method and direct drinking water technology, applied in the field of water treatment, can solve the problems of high membrane material price and operating cost, membrane pollution, high direct drinking water quality, etc., and achieve low material cost and operating cost, good removal effect and purification effect Good results

Inactive Publication Date: 2014-05-07
JIANGSU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, activated carbon adsorption method or ozone oxidation technology treats the effluent, and it is difficult to achieve a high quality of direct drinking water
Membrane separation technology can intercept ions and organic matter, and has the advantages of high separation efficiency and good effluent quality; but this technology is prone to membrane fouling, and the price of membrane materials and operating costs are high

Method used

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Examples

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Effect test

Embodiment 1

[0024] Adopt the present invention to purify tap water to produce direct drinking water, scheme is as follows:

[0025] Tap water is first filtered through activated carbon filter to remove a small amount of suspended solids and organic matter; then it enters one or more sets of capacitive deionization units in series to remove harmful ions in tap water under the action of electric field; the effluent flows through transparent plastic or glass pipes , and discharged after being sterilized by ultraviolet rays, the discharged water is direct drinking water.

[0026] The raw material of the activated carbon filter element is high-quality coconut shell activated carbon with a specific surface area of ​​960m 2 / g.

[0027] The capacitive deionization unit is composed of positive pole, negative pole and insulating net 5 . The positive pole is composed of a square or rectangular positive stainless steel plate 1 , a positive active carbon fiber electrode 2 and an anion exchange memb...

Embodiment 2

[0034] Adopt the present invention to purify tap water to produce direct drinking water, scheme is as follows.

[0035] Tap water is first filtered through activated carbon filter to remove a small amount of suspended solids and organic matter; then it enters one or more sets of capacitive deionization units in series to remove harmful ions in tap water under the action of electric field; the effluent flows through transparent plastic or glass pipes , and discharged after being sterilized by ultraviolet rays, the discharged water is direct drinking water.

[0036] The raw material of the activated carbon filter element is coal-based activated carbon with a specific surface area of ​​1000m 2 / g.

[0037] The capacitive deionization unit is composed of positive pole, negative pole and insulating net 5 . The positive pole is composed of a square or rectangular positive stainless steel plate 1 , a positive active carbon fiber electrode 2 and an anion exchange membrane 3 . The a...

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Abstract

The invention relates to a direct drinking water production method. The direct drinking water production method comprises that tap water is filtered by an active carbon filter core; the filtered water enters into one or more capacitive deionization unit in series; the deionized water is subjected to ultraviolet sterilization; and the sterilized water is discharged. The tap water is filtered by the active carbon filter core so that a small amount of suspended solids and organic matters in the tap water are removed; the filtered tap water enters into the one or more capacitive deionization unit in series and harmful ions in the filtered tap water are removed under the action of the electric field; and the product water flows through a transparent plastic or glass pipe, is subjected to ultraviolet sterilization and then is discharged. The discharged product water can be drunk directly. The direct drinking water production method has a low material cost, a low operation cost and good tap water purifying effects and especially has good heavy metal ion removal effects. Through short circuit, the electric field disappears or is supplied with counter-currents so that the adsorbed ions are separated from double electric layers of an electrode and the electrode material is regenerated. The direct drinking water production method does not consume chemical agents such as acids, alkalis and salts and is a green production method.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a production method of direct drinking water. Background technique [0002] With the development of industrial and agricultural production and the increase of population, the discharge of living and production pollutants is increasing, and the pollution of water resources is becoming more and more serious. Water is the source of life, and the quality of drinking water is closely related to people's health. People's pursuit of a healthy life has formed a sharp contradiction with the deteriorating quality of drinking water. In order to meet people's healthy and fast lifestyle, various direct drinking water equipment emerge in endlessly. [0003] The current direct drinking water production technologies on the market mainly include activated carbon adsorption, membrane separation technology, ozone oxidation technology, etc., or a combination of various treatment technologi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/08C02F1/469C02F1/28C02F1/32
Inventor 黄勇强王铁丁赵如金杜彦生尼古拉斯P.怀特朱艳刘腾祝菲菲史凯
Owner JIANGSU UNIV
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