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Production method of novel graphene electrode used for sewage treatment

A graphene electrode and sewage treatment technology, which is applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as endangering human health, and achieve non-polluting equipment, stable products, and responsive fast effect

Inactive Publication Date: 2016-09-14
ANHUI PUSHI ECOLOGICAL ENVIRONMENT ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the discharge is left unchecked, it will cause irreversible trauma to the environment and endanger human health

Method used

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Examples

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Effect test

Embodiment 1

[0017] A preparation method for a novel graphene electrode for sewage treatment, comprising the following steps: A. preparation of a substrate sheet: using iron, platinum, cobalt or conductive glass as a substrate, and preparing a substrate sheet by chemical vapor deposition; B. pre- Processing: put the base sheet described in step A into a heating furnace under argon gas and carry out airtight preheating for 4-6 hours, keep the reaction chamber temperature constant and the argon flow rate constant; C. Preparation of graphene solution: put Graphene is added in water, and when graphene is uniformly dispersed in the solvent, a graphene solution is formed; D. preparation of graphene electrodes: the graphene solution described in step C is injected into a closed reaction through a capillary under the control of a precision flow pump room, under the protection of argon, slowly add to the reaction chamber, and continue to react for 4-6 hours; graphene is gradually deposited on the su...

Embodiment 2

[0019] A preparation method for a novel graphene electrode for sewage treatment, comprising the following steps: A. preparation of a substrate sheet: using iron, platinum, cobalt or conductive glass as a substrate, and preparing a substrate sheet by chemical vapor deposition; B. pre- Processing: put the base sheet described in step A into a heating furnace under argon gas and carry out airtight preheating for 4-6 hours, keep the reaction chamber temperature constant and the argon flow rate constant; C. Preparation of graphene solution: put Graphene is added in the methanol solvent, and when the graphene is uniformly dispersed in the solvent, a graphene solution is formed; D. preparation of graphene electrodes: the graphene solution described in step C is injected through a capillary tube under the control of a precision flow pump Seal the reaction chamber, slowly add to the reaction chamber under the protection of argon, and continue to react for 4-6 hours; graphene is graduall...

Embodiment 3

[0021] A preparation method for a novel graphene electrode for sewage treatment, comprising the following steps: A. preparation of a substrate sheet: using iron, platinum, cobalt or conductive glass as a substrate, and preparing a substrate sheet by chemical vapor deposition; B. pre- Processing: put the base sheet described in step A into a heating furnace under argon gas and carry out airtight preheating for 4-6 hours, keep the reaction chamber temperature constant and the argon flow rate constant; C. Preparation of graphene solution: put Graphene is added in the ethanol solvent, and when graphene is evenly dispersed in the solvent, a graphene solution is formed; D. preparation of graphene electrodes: the graphene solution described in step C is injected through a capillary tube under the control of a precision flow pump Seal the reaction chamber, slowly add to the reaction chamber under the protection of argon, and continue to react for 4-6 hours; graphene is gradually deposi...

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Abstract

The invention discloses a production method of a novel graphene electrode used for sewage treatment. The production method comprises the following steps: producing a substrate slice through a chemical vapor deposition technology by adopting iron, platinum, cobalt or conductive glass as a substrate; putting the substrate slice in a heating furnace in argon environment, sealing the heating furnace, and carrying out preheating treatment for 4-6h; adding graphene to a water-methanol-ethanol-isopropanol solvent, and uniformly dispersing graphene in the solvent to form a graphene solution; slowly injecting the graphene solution to a closed reaction chamber through a capillary tube under the control of a precision flow pump under the protection of argon, and reacting the graphene solution for 4-6h; and stopping addition of the graphene solution after the reaction ends, turning off the heating furnace, and keeping the flow velocity of argon unchanged. The production method and the electrode have the following advantages: 1, the electrode has a very high water electrolytic oxidation treatment effect, so the COD value of sewage is greatly reduced; 2, the reaction speed is fast, and no toxic or harmful gases are generated in the reaction process; and 3, the reaction is efficient and nontoxic, and has no pollution to devices.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a method for preparing a novel graphene electrode for sewage treatment. Background technique [0002] Organic wastewater not only contains organic pollutants with high chroma and high toxicity, but also contains a variety of heavy metal ions, which cause serious harm to the environment. The photocatalytic conversion, degradation, and mineralization of pollutants in organic wastewater have attracted much attention. These reactions can occur at normal temperature and pressure, and only light, oxygen, and water are needed to transform many toxic organic pollutants. Degrade or mineralize, producing readily biodegradable small molecules, CO2 and inorganic ions. Compared with existing environmental protection technologies such as adsorption, incineration, and biological oxidation, this photocatalytic technology should have advantages such as low cost, high mineralization rate, and less...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461
CPCC02F1/46109C02F2001/46138
Inventor 张宁迁鲍习舟石凯元石磊
Owner ANHUI PUSHI ECOLOGICAL ENVIRONMENT ENG
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