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Method and device for removing fluorine and arsenate in water simultaneously on basis of hydrocalumite

A technology for hydrocalumite and water removal, applied in chemical instruments and methods, water/sewage treatment, adsorption water/sewage treatment, etc., to achieve good removal effect, enhanced removal effect, and prolonged residence time and reaction time

Pending Publication Date: 2018-05-01
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, there is no invention of hydrocalumite applied to remove fluorine and arsenate in different content ranges in water

Method used

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  • Method and device for removing fluorine and arsenate in water simultaneously on basis of hydrocalumite
  • Method and device for removing fluorine and arsenate in water simultaneously on basis of hydrocalumite
  • Method and device for removing fluorine and arsenate in water simultaneously on basis of hydrocalumite

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Embodiment Construction

[0027] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0028] Refer to attached figure 1 The embodiment of the present invention provides a device for simultaneously removing fluorine and arsenate in water based on hydrocalumite, including an inlet 1 for water to be treated, a peristaltic pump 2, a filter element 3, a flow rate monitoring meter 4, and an overflow port 5 for treated water , a water storage tank 6, a water quality monitoring device 7, a sewage outlet 8, a treated water outlet 9 and a constant speed pump 10.

[0029] One end of the peristaltic pump 2 is connected to the inlet 1 of the water to be treated, and the other end is connected to the bottom of the filter element 3, and the water to be treated containing fluorine and arsenate is passed through the inlet 1 of the water to be treated thro...

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Abstract

The invention discloses a method and a device for removing fluorine and arsenate in water simultaneously on the basis of hydrocalumite, aims to solve the problem that fluorine and arsenate of different contents in water cannot be effectively removed simultaneously by using a conventional water treatment method, and aims to achieve efficient removal of fluorine and arsenate in polluted natural water bodies / crude inferior water and industrial wastewater. The device comprises a to-be-treated water inlet, a peristaltic pump, a filter element, a water storage tank and a water quality detection device. According to the device, fluorine and arsenate in water to be treated can be effectively removed by using hydrocalumite in the filter element, the transfusion velocity of water to be treated, thesize of the filter element and the ratio of filling materials can be adjusted according to the quantity of the water to be treated and the contents of fluorine and arsenate, meanwhile the quality of treated water is monitored, the effectiveness of the filter element is judged, and the filter element can be replaced according to demands; used filter element filling materials can be roasted at certain given temperatures to recover the water treatment capability of the filter element, and then recycling and reuse of the filtering materials can be achieved; in addition, the device is simple in structure, simple and convenient in water treatment operation process and low in cost.

Description

technical field [0001] The invention belongs to the application field of water treatment technology, and in particular relates to a method and a device for simultaneously removing fluorine and arsenate in water based on hydrocalumite. Background technique [0002] Natural water rich in fluorine and arsenic of low quality (geological origin) and fluorine and arsenic pollution of natural water bodies (caused by human activities) are widespread in the world, and it is not uncommon for water to be enriched with fluorine and arsenic at the same time. Long-term intake of excessive fluoride and / or arsenic by various means can lead to different types and degrees of lesions in people living in environments with high fluoride and / or high arsenic. The enrichment of fluorine and arsenic in natural water bodies in many areas of my country is relatively serious, endangering more than 20 million people. [0003] At present, the removal methods for fluorine and arsenic in water mainly incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28C02F1/58C02F101/10C02F101/14
CPCC02F1/008C02F1/281C02F1/58C02F1/583C02F2101/103C02F2101/14C02F2209/40
Inventor 郭清海天娇余正艳
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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