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Heavy metal ion adsorbent and preparation process thereof

A technology of heavy metal ions and adsorbents, applied in the fields of adsorption water/sewage treatment, other chemical processes, water/sludge/sewage treatment, etc., can solve the problems of low adsorption efficiency, complex preparation method, high cost, and achieve high specific surface area. , the effect of enhancing adsorption efficiency and simple preparation process

Inactive Publication Date: 2017-06-06
MAANSHAN NIUZE TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Heavy metal ions are harmful substances, which can be enriched through soil, water, air, especially the food chain, and pose irreversible harm to human health. The heavy metal adsorbents developed so far have limited sources of adsorbents, high cost, and preparation. The method is complex and the adsorption efficiency is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] In this embodiment, the adsorbent components include 2 parts by weight of ferric nitrate, 10 parts of acetic acid solution, 10 parts of chitosan, 6 parts of hydroxynickel powder, 5 parts of copper sulfate, 5 parts of nano-zinc oxide, graphene oxide 10 parts, nano-titanium dioxide 4 parts, polyacrylonitrile fiber 5 parts and polyvinyl butyral 10 parts.

[0015] The preparation process of the present embodiment comprises the following steps:

[0016] A. After mixing ferric nitrate, chitosan, hydroxynickel powder and copper sulfate, add it to the acetic acid solution and stir continuously, and leave it to stand to obtain the mixed solution A;

[0017] B. Add nano-zinc oxide, graphene oxide, and nano-titanium dioxide to the mixed solution A in sequence, and add them to the water bath for heating after mixing. The heating temperature of the water bath is 60°C, and the heating time is 15 minutes. B;

[0018] C. Add polyacrylonitrile fiber and polyvinyl butyral to the mixtur...

Embodiment 2

[0020] In this embodiment, the adsorbent components include 8 parts by weight of ferric nitrate, 20 parts of acetic acid solution, 20 parts of chitosan, 12 parts of nickel hydroxide powder, 15 parts of copper sulfate, 15 parts of nano-zinc oxide, graphene oxide 25 parts, 12 parts of nano-titanium dioxide, 12 parts of polyacrylonitrile fiber and 25 parts of polyvinyl butyral.

[0021] The preparation process of the present embodiment comprises the following steps:

[0022] A. After mixing ferric nitrate, chitosan, hydroxynickel powder and copper sulfate, add it to the acetic acid solution and stir continuously, and leave it to stand to obtain the mixed solution A;

[0023] B. Add nano-zinc oxide, graphene oxide, and nano-titanium dioxide to the mixed solution A in turn, and add them to the water bath for heating after mixing. The heating temperature of the water bath is 80°C, and the heating time is 30 minutes. B;

[0024] C. Add polyacrylonitrile fibers and polyvinyl butyral...

Embodiment 3

[0026] In this embodiment, the adsorbent components include 3 parts by weight of ferric nitrate, 12 parts of acetic acid solution, 12 parts of chitosan, 7 parts of hydroxynickel powder, 6 parts of copper sulfate, 6 parts of nano-zinc oxide, graphene oxide 12 parts, 5 parts of nano titanium dioxide, 6 parts of polyacrylonitrile fiber and 12 parts of polyvinyl butyral.

[0027] The preparation process of the present embodiment comprises the following steps:

[0028] A. After mixing ferric nitrate, chitosan, hydroxynickel powder and copper sulfate, add it to the acetic acid solution and stir continuously, and leave it to stand to obtain the mixed solution A;

[0029] B. Add nano-zinc oxide, graphene oxide, and nano-titanium dioxide to the mixed solution A in sequence, and add them to the water bath for heating after mixing. The heating temperature of the water bath is 65°C, and the heating time is 18 minutes, and then cooled to room temperature to obtain the mixed solution B;

...

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PUM

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Abstract

The invention discloses a heavy metal ion adsorbent and a preparation process thereof. The adsorbent comprises the following components in parts by weight: 2 to 8 parts of ferric nitrate, 10 to 20 parts of an acetic acid solution, 10 to 20 parts of chitosan, 6 to 12 parts of a hydroxyl nickel powder, 5 to 15 parts of copper sulfate, 5 to 15 parts of nano-zinc oxide, 10 to 25 parts of graphene oxide, 4 to 12 parts of nano-titanium dioxide, 5 to 12 parts of polyacrylonitrile fiber and 10 to 25 parts of polyvinyl butyral. The preparation process provided by the invention is simple, the prepared adsorbent can effectively adsorb heavy metal ions in sewage, and the residues after reaction do not cause pollution to water quality and soil.

Description

technical field [0001] The invention relates to the technical field of adsorbent preparation, in particular to a heavy metal ion adsorbent and a preparation process thereof. Background technique [0002] Heavy metal ions are harmful substances, which can be enriched through soil, water, air, especially the food chain, and pose irreversible harm to human health. The heavy metal adsorbents developed so far have limited sources of adsorbents, high cost, and preparation. The method is complex and the adsorption efficiency is low. Contents of the invention [0003] The purpose of the present invention is to provide a heavy metal ion adsorbent and its preparation process, to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical scheme: a heavy metal ion adsorbent, the adsorbent components include 2-8 parts by weight of ferric nitrate, 10-20 parts of acetic aci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/30C02F1/28C02F101/20
CPCB01J20/20C02F1/288C02F2101/20
Inventor 施享
Owner MAANSHAN NIUZE TECH SERVICE
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