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Water purification process for preparing living water

A technology for domestic water and water purification, applied in the field of domestic water, can solve problems such as poor effect, achieve good removal effect and be beneficial to health.

Inactive Publication Date: 2013-01-02
PANGANG GRP ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing technology is less effective when dealing with the river bed groundwater with the above-mentioned complex composition

Method used

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  • Water purification process for preparing living water

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Embodiment Construction

[0011] Hereinafter, the water purification process for preparing domestic water of the present invention will be described in detail with reference to exemplary embodiments.

[0012] In an exemplary embodiment of the present invention, the water purification process for preparing domestic water includes sequentially performing the following steps on the water to be treated: filtering to remove suspended matter to reduce turbidity; aeration treatment to oxidize Fe in water 2+ , Mn 2+ ; Active biofilm contact oxidation filtration treatment to remove iron and manganese elements; activated carbon adsorption treatment to remove organic pollutants; nanofiltration treatment to remove heavy metal ions; sterilization and disinfection treatment. Here, activated carbon is used to adsorb the water to be treated, which can effectively remove organic pollutants, adsorb pesticides, and have a good removal effect on mutagenic substances in water; use nanofiltration to purify the water to be t...

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Abstract

The invention provides a water purification process for preparing living water. The water purification process comprises the following steps carried out on the water to be treated: filtering to remove suspended solids; aeration treatment to oxidize Fe<2+> and Mn<2+> in water; active biological membrane contact oxidation and filtration treatment to remove iron and manganese; activated carbon adsorption treatment to remove organic pollutants and pesticides; nanofiltration treatment to remove heavy metal ions; and sterilization. The invention has the beneficial effect that the process can purify water source with complex components (e.g. riverbed groundwater containing coliform bacteria, turbidity, heavy metal ions and organic pollutants) into living water meeting the national standard.

Description

technical field [0001] The invention relates to the technical field of water purification treatment, and more specifically relates to a process capable of purifying river bed groundwater containing coliform bacteria, turbidity, heavy metal ions, organic pollutants, etc. into domestic water. Background technique [0002] River bed groundwater is used as domestic water source in a certain area. After inspection, the five indicators of total coliform bacteria, turbidity, visible matter, iron, and lead in the groundwater of the basin did not meet the relevant provisions of the "Drinking Water Sanitation Standard" GB5749-2006, and there were also lead, chromium, arsenic, etc. Heavy metals exceed the standard seasonally. Agricultural production in this area is relatively developed, and pesticides and fertilizers have certain impacts on groundwater. The prior art is less effective when dealing with the above-mentioned riverbed groundwater with complex components. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
Inventor 胡稳华周劲松杨兴华张奎唐凤君
Owner PANGANG GRP ENG TECH
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