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Heavy metal sewage treating agent

A sewage treatment agent and heavy metal technology, which is applied in water/sewage treatment, adsorbed water/sewage treatment, water/sludge/sewage treatment, etc. The effect of good treatment effect, stable performance, simple preparation and treatment process

Inactive Publication Date: 2018-01-19
GUILIN HONGYUAN ENERGY TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing heavy metal wastewater treatment agents have high treatment costs, difficulty in repeated use, and poor treatment effects, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A heavy metal sewage treatment agent is composed of the following components by weight: 100 parts of calcite, 20 parts of clay, 20 parts of bentonite, 15 parts of sodium aluminate, 15 parts of activated carbon, 15 parts of silicon dioxide, and 3 parts of rock sand crystal , 10 parts of sand; the preparation steps are as follows: A, take raw materials according to weight parts, add calcite, bentonite, sodium aluminate, silicon dioxide, rock sand crystals into a pulverizer, and pulverize to 100 mesh to obtain mixed particles; B, mix Add granules, clay, and activated carbon into the container, and stir evenly; C, add sand, and ultrasonically vibrate for 10 minutes to obtain the heavy metal sewage treatment agent.

Embodiment 2

[0019] A heavy metal sewage treatment agent is composed of the following components by weight: 120 parts of calcite, 25 parts of clay, 25 parts of bentonite, 20 parts of sodium aluminate, 20 parts of activated carbon, 20 parts of silicon dioxide, and 4 parts of rock sand crystals , 15 parts of sandy soil; the preparation steps are as follows: A, take raw materials according to parts by weight, add calcite, bentonite, sodium aluminate, silicon dioxide, and rock sand crystals into a pulverizer, and pulverize to 150 mesh to obtain mixed particles; B, mix the Add particles, clay, and activated carbon into the container, and stir evenly; C, add sand, and ultrasonically vibrate for 20 minutes to obtain the heavy metal sewage treatment agent.

Embodiment 3

[0021] In the present invention, further, a heavy metal sewage treatment agent is composed of the following components by weight: 110 parts of calcite, 22 parts of clay, 23 parts of bentonite, 17 parts of sodium aluminate, 18 parts of activated carbon, silicon dioxide 16 parts, 3.5 parts of rock sand crystals, and 12 parts of sand and soil; the preparation steps are as follows: A, take the raw materials according to weight parts, add calcite, bentonite, sodium aluminate, silicon dioxide, and rock sand crystals into a pulverizer, and pulverize to 120 meshes, Obtain mixed granules; B. Add mixed granules, clay and activated carbon into the container and stir evenly; C. Add sand and vibrate ultrasonically for 12 minutes to obtain the heavy metal sewage treatment agent.

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PUM

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Abstract

The invention relates to a heavy metal sewage treating agent which is prepared from calcite, clay, bentonite, sodium aluminate, activated carbon, silica, rock sand crystal and sandy oil. The heavy metal sewage treating agent can continuously treat heavy metal sewage with relatively high concentration, and the treated water can be repeatedly recycled. The heavy metal sewage treating agent can be repeatedly used. The heavy metal sewage treating agent disclosed by the invention is wide in use scope, simple in preparation and processing process, good in treatment effect, steady in performance, andgood in effluent quality, and can effectively lower water treatment cost.

Description

technical field [0001] The invention relates to a sewage treatment agent, in particular to a heavy metal sewage treatment agent. Background technique [0002] As the name implies, sewage treatment agent is an additive that needs to be used in sewage treatment, such as polyacrylamide, cationic polyacrylamide, anionic polyacrylamide, nonionic, zwitterionic polyacrylamide, polyaluminum chloride, etc. in different uses It can be used as a sewage treatment agent. At present, there are three main types of heavy metal wastewater treatment methods in my country: the first category is the removal of heavy metal ions in wastewater through chemical reactions, including neutralization precipitation, sulfide precipitation, ferrite co-precipitation, chemical reduction, and electrolysis. Chemical reduction method and polymer heavy metal trapping agent method, etc. The second category is the method of adsorbing, concentrating, and separating heavy metals in wastewater without changing thei...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00C02F1/28C02F101/20
Inventor 唐德养
Owner GUILIN HONGYUAN ENERGY TECH SERVICE
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