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Self-regeneration porous carbon sphere composite material and preparation method and application thereof

A composite material, porous carbon technology, applied in chemical instruments and methods, alkali metal compounds, other chemical processes, etc., can solve the problems of non-regeneration, few adsorption active sites, short service life, etc., and achieve uniform distribution and excellent adsorption. performance, and the effect of improving adsorption activity

Inactive Publication Date: 2021-07-13
深圳市华必达科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The materials for physical adsorption are mainly porous materials, such as porous carbon, macroporous resin and other materials, which have excellent adsorption effect on dye pollutants such as methyl violet; but the service life is short, the adsorption active sites are few, and cannot be regenerated

Method used

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  • Self-regeneration porous carbon sphere composite material and preparation method and application thereof
  • Self-regeneration porous carbon sphere composite material and preparation method and application thereof
  • Self-regeneration porous carbon sphere composite material and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] A method for preparing a self-regenerating porous carbon sphere composite material, comprising the steps of:

[0029] (1) Preparation of nano-zinc oxide graphite powder: After degreasing, roughening, and surface-active treatment, the nano-graphite powder is electroplated in the electroplating solution to obtain galvanized graphite powder, then dried under oxygen atmosphere conditions, and slowly oxidized to form nano-particles. Zinc oxide graphite powder;

[0030]Wherein, the process of degreasing is: 120g of graphite powder is added to 230ml, 10mol / L of NaOH solution, heated and boiled, and kept for 35 minutes, then the graphite powder is washed to neutrality; The process is as follows: add the graphite powder after degreasing treatment to 180g, 98% concentrated sulfuric acid, heat and boil, and keep it warm for 30 minutes, then wash the graphite to neutrality; the specific process of the surface activation treatment is : add the coarsened graphite powder to 2.5g sodi...

Embodiment 2

[0037] A method for preparing a self-regenerating porous carbon sphere composite material, comprising the steps of:

[0038] (1) Preparation of nano-zinc oxide graphite powder: After degreasing, roughening, and surface-active treatment, the nano-graphite powder is electroplated in the electroplating solution to obtain galvanized graphite powder, then dried under oxygen atmosphere conditions, and slowly oxidized to form nano-particles. Zinc oxide graphite powder;

[0039] Wherein, the process of degreasing is: adding 100g graphite powder to 200ml, 10mol / L NaOH solution, heating and boiling, and keeping it warm for 35 minutes, then washing the graphite to neutrality; the specific process of coarsening It is: add the graphite powder after the degreasing treatment to 180g, 98% concentrated sulfuric acid, heat and boil, and keep it warm for 30 minutes, then wash the graphite to neutrality; the specific process of the surface activation treatment is: Add the coarsened graphite powd...

Embodiment 3

[0046] A method for preparing a self-regenerating porous carbon sphere composite material, comprising the steps of:

[0047] (1) Preparation of nano-zinc oxide graphite powder: After degreasing, roughening, and surface-active treatment, the nano-graphite powder is electroplated in the electroplating solution to obtain galvanized graphite powder, then dried under oxygen atmosphere conditions, and slowly oxidized to form nano-particles. Zinc oxide graphite powder;

[0048] Wherein, the process of degreasing is: adding 110g graphite powder to 200ml, 10mol / L NaOH solution, heating and boiling, and keeping it warm for 35 minutes, then washing the graphite to neutrality; the specific process of coarsening It is: add the graphite powder after degreasing treatment to 160g, 98% concentrated sulfuric acid, heat and boil, and keep it warm for 30 minutes, then wash the graphite to neutrality; the specific process of the surface activation treatment is: Add the coarsened graphite powder t...

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Abstract

The invention discloses a preparation method of a self-regeneration porous carbon sphere composite material. The preparation method comprises the following steps of (1) preparing nano zinc oxide graphite powder, (2) preparing porous polyurethane microspheres containing zinc oxide, (3) preparing a nitrogen-doped ZnO-containing carbon material, (4) preparing a nitrogen-doped ZnO-containing porous carbon material, and (5) preparing the carboxylated nitrogen-doped ZnO-containing porous carbon. The porous carbon sphere composite material prepared by the method disclosed by the invention has a developed pore structure and adsorption activity, and shows good adsorption and photodegradation properties on dye sewage, and the preparation method is simple, low in cost, mild in preparation condition and beneficial to large-scale production.

Description

technical field [0001] The invention belongs to the technical field of water body pollution adsorption and new materials, in particular to a self-regenerating porous carbon sphere composite material and its preparation method and application. Background technique [0002] With the rapid development of social economy, the problems of human living environment are becoming more and more serious, especially the water resources that human beings rely on for survival are being seriously polluted by chemical wastewater. The dye pollutants in dye manufacturing, leather tanning, printing, ink and textile industries are an important source of environmental pollution, even a very small amount of dyes, due to their stubbornness in the environment, continue to accumulate in the body and eventually enter Food chain and negative ecotoxicity hazards to humans. How to remove harmful carcinogenic pollutants from industrial dye wastewater has become an important research topic. [0003] Diff...

Claims

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Application Information

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IPC IPC(8): B01J20/22B01J20/28B01J20/30C02F1/28C02F1/30C02F1/72C02F101/30C02F101/36C02F101/38
CPCB01J20/20B01J20/22B01J20/28011B01J20/28021C02F1/288C02F1/30C02F1/725C02F2101/308C02F2101/36C02F2101/38C02F2305/023C02F2305/10
Inventor 任嵬李鹏龙杰吴苏州
Owner 深圳市华必达科技有限公司
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