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Nano material for industrial chemical sewage treatment and preparation method thereof

A technology of nanomaterials and chemical sewage, applied in water/sewage treatment, biological water/sewage treatment, adsorption water/sewage treatment, etc., can solve the problems of limited synergy, insufficient adsorption amount, large dosage, etc., and achieve enhanced adsorption , increase the specific surface area, good adsorption effect

Active Publication Date: 2021-09-03
湖北亮绿环保技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the currently commercially available adsorbents have poor stability and insufficient adsorption capacity. When applied to heavy metal sewage treatment, the amount used is large and the treatment cost is high.
[0007] Patent CN105692771B discloses a heavy metal sewage treatment material, using hydrochloric acid to modify sepiolite, pyridine quaternary ammonium salt type cationic polyacrylamide, zeolite powder, modified attapulgite, cellulose xanthate, chitosan, cross-linked Carboxymethyl starch, hydroxypropyl cellulose graft copolymer, ferric sulfate, lime powder, activated carbon powder, etc. time consuming

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method for nanomaterials used in the treatment of heavy metal ions in chemical sewage, first loading ferrous sulfate on the surface of layered titanate nanomaterials to make intermediate products, and then under the action of sodium tripolyphosphate, the intermediate products and cations The polymer is cross-linked, and the coated bacterial powder is added during the cross-linking process to obtain the nanomaterial; wherein, the coated bacterial powder is obtained by coating Arthrobacter mysoreii and Micrococcus luteus Obtained; the cationic polymer is obtained by modifying branched polyethyleneimine with trifluoroacetic anhydride.

[0028] Wherein, the preparation method of the layered titanate nanomaterial is as follows: First, ultrasonically disperse 10 g of isopropyl titanate in 100 g of 10 mol / L sodium hydroxide solution, then transfer it to a hydrothermal reaction kettle, and heat React for 22 hours, filter, wash with deionized water, and dry to obta...

Embodiment 2

[0034]A preparation method for nanomaterials used in the treatment of heavy metal ions in chemical sewage, first loading ferrous sulfate on the surface of layered titanate nanomaterials to make intermediate products, and then under the action of sodium tripolyphosphate, the intermediate products and cations The polymer is cross-linked, and the coated bacterial powder is added during the cross-linking process to obtain the nanomaterial; wherein, the coated bacterial powder is obtained by coating Arthrobacter mysoreii and Micrococcus luteus Obtained; the cationic polymer is obtained by modifying branched polyethyleneimine with trifluoroacetic anhydride.

[0035] Wherein, the preparation method of the layered titanate nanomaterial is as follows: First, ultrasonically disperse 10 g of isopropyl titanate in 120 g of 8 mol / L sodium hydroxide solution, then transfer it to a hydrothermal reaction kettle, and heat React for 18 hours, filter, wash with deionized water, and dry to obtain...

Embodiment 3

[0041] A preparation method for nanomaterials used in the treatment of heavy metal ions in chemical sewage, first loading ferrous sulfate on the surface of layered titanate nanomaterials to make intermediate products, and then under the action of sodium tripolyphosphate, the intermediate products and cations The polymer is cross-linked, and the coated bacterial powder is added during the cross-linking process to obtain the nanomaterial; wherein, the coated bacterial powder is obtained by coating Arthrobacter mysoreii and Micrococcus luteus Obtained; the cationic polymer is obtained by modifying branched polyethyleneimine with trifluoroacetic anhydride.

[0042] Wherein, the preparation method of the layered titanate nanomaterial is as follows: First, ultrasonically disperse 10 g of isopropyl titanate in 110 g of 9 mol / L sodium hydroxide solution, then transfer it to a hydrothermal reaction kettle, and heat React for 20 hours, filter, wash with deionized water, and dry to obtai...

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Abstract

The invention provides a nano material for industrial chemical sewage treatment and a preparation method thereof, the preparation method comprises the following steps: firstly loading ferrous sulfate on the surface of a layered titanate nano material to prepare an intermediate product, and then under the action of sodium tripolyphosphate, crosslinking the intermediate product with a cationic polymer, and adding coating bacterial powder in the cross-linking process. The nano material can quickly remove heavy metals in chemical sewage, so that the sewage discharge reaches the discharge standard, and the nano material has a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a nanometer material used for industrial chemical sewage treatment and a preparation method thereof. Background technique [0002] Water is an indispensable resource for human development and survival, and is directly related to human survival. However, with the growth of the population base, the acceleration of social urbanization and industrialization, the per capita water resources have decreased sharply, and the problem of water pollution has intensified. threaten the survival of mankind. The causes of water pollution include many aspects, including sensory pollution, organic pollution, inorganic pollution (including heavy metal pollution), and biological pollution. [0003] Among them, heavy metal pollution is one of the most serious problems. For example, enterprises producing non-ferrous metals have wastewater discharges in the entire producti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34C02F1/28B01J20/22B01J20/28B01J20/30C02F101/20
CPCC02F3/34C02F1/288B01J20/22B01J20/28007B01J20/28057C02F2101/20
Inventor 谭乔
Owner 湖北亮绿环保技术有限公司