A double purification device for heavy metal thallium in wastewater

A purification device and heavy metal technology, applied in water pollutants, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of poor effect, slow process, high cost and high cost, and achieve simple structure, cost saving, high practicality sexual effect

Inactive Publication Date: 2019-07-19
SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The effects of the above methods alone are not good, and the process is slow and costly

Method used

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  • A double purification device for heavy metal thallium in wastewater
  • A double purification device for heavy metal thallium in wastewater

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] In order to facilitate the understanding of the embodiments of the present invention, specific embodiments are taken as examples below for further explanation, and the embodiments do not constitute limitations on the embodiments of the present invention.

[0025] A double purification device for heavy metal thallium in wastewater, the device mainly includes an outer box 1, an ozone generator 2, an exhaust pi...

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Abstract

The invention discloses a duplex purification device of heavy metal thallium in waste water. The duplex purification device mainly comprises an outer box body, an ozone generating device, an exhaust pipe, a gas flow rate meter, a separation layer, a water inlet pipe, a PH value test meter, a medicine box, a magnetic stirrer, an adsorbent, a reverse osmosis membrane, an air pressure regulating device, a first water outlet pipe, a second water outlet pipe and a valve. The waste water enters the duplex purification device and is then subjected to catalytic oxidation by ozone to generate precipitates; the adsorption is performed through an adsorbent; precipitation is performed; then, reverse osmosis filtering is performed. The device provided by the invention has the advantages that the principle is simple; the filtering effect on the heavy metal thallium in the waste water is obvious; the heavy metal thallium in the waste water can reach the discharging standard through duplex purification.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment containing heavy metal thallium, in particular to a double purification device for heavy metal thallium in wastewater. Background technique [0002] Thallium is a highly toxic heavy metal element and is regarded as a priority pollutant in my country. In natural water bodies, the content of thallium is low, while in sulfide mining areas, the content of thallium is high. In natural water bodies, thallium mainly exists in the form of thallium ions. In a strong oxidizing environment, thallium ions mainly present trivalent thallium ions, and thallium hydroxide precipitates are easily formed in water bodies, which can restrict the content of thallium in water environments. Thallium can enter the human body through drinking water and the food chain, where thallium can replace K in the enzymatic reaction of the human body + , and have a strong affinity with the enzyme, thereby inducing the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04C02F101/20
CPCC02F1/001C02F1/283C02F1/441C02F1/78C02F9/00C02F2101/20
Inventor 齐剑英谢丹平李祥平魏东洋张英民陈永亨
Owner SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP
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