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Carbon-based adsorption material and preparation method thereof

An adsorption material, carbon-based technology, applied in chemical instruments and methods, adsorption water/sewage treatment, other chemical processes, etc., can solve problems such as pollution and easy blockage

Inactive Publication Date: 2018-12-07
武汉霖泉环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to solve the problems that the preparation method in the prior art will cause pollution and easy to block during use, and provides a carbon-based adsorption material and its preparation method

Method used

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  • Carbon-based adsorption material and preparation method thereof
  • Carbon-based adsorption material and preparation method thereof
  • Carbon-based adsorption material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0038] The steps for preparing carbon-based adsorbent materials are as follows:

[0039] A. Place a group of graphite anode plates with a particle size of 1 μm and a purity of more than 99% and 316 stainless steel positive plates at intervals of 10mm in a glass water tank. The water tank is equipped with a water circulation system consisting of an external circulation pipeline and a circulation pump. There is a Ultrasonic vibrating plate group, the ultrasonic vibrating plate set includes three ultrasonic vibrating plates of 20KHz, 40KHz, and 80KHz, pour deionized water until the electrode plate is submerged.

[0040]B. Connect the program to control the DC power supply to the plate, and the control condition is that the current density does not exceed 10mA / cm 2 , the liquid temperature does not exceed 60 degrees Celsius. The DC power supply and circulating pump continue to run, and the ultrasonic vibrating plate group operates intermittently. It works for 5 minutes and stops ...

Embodiment 2

[0046] The steps for preparing carbon-based adsorbent materials are as follows:

[0047] A. Place two graphite anode plates with a particle size of 5 μm and a titanium positive plate with a purity greater than 99% in the order of graphite plate, titanium plate, and graphite plate at intervals of 5 mm in a 316 steel water tank, which is equipped with a stirrer and an ultrasonic vibrator The plate group, the ultrasonic vibrating plate set includes two ultrasonic vibrating plates of 20KHz and 60KHz, pour deionized water until the electrode plate is submerged.

[0048] B. Connect the program to control the DC power supply to the plate, and the control condition is that the current density does not exceed 20mA / cm 2 , the liquid temperature does not exceed 70 degrees Celsius. The DC power supply, mixer and ultrasonic vibrating plate group continue to operate, and stop running after the ORP, conductivity, and solid content of the oxidized nano-carbon liquid no longer increase signif...

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Abstract

The invention relates to a preparation method of a carbon-based adsorption material and belongs to the field of water treatment materials, in particular relates to a method of preparing the carbon-based adsorption material by means of an anodizing method. The adsorption material provided by the invention is prepared by the following steps: oxidizing and peeling a fine graphite board in deionized water by means of an electrochemical method to form a stable oxidized nano carbon solution; and then drying and grinding the solution to prepare the material. Detection results verify that the adsorption material prepared by the method has good adsorption performance to heavy metal ions, the adsorption performance being superior to that of a common adsorption material activated carbon. The electrochemical preparation method is low in cost and green and environment-friendly. Raw materials are only the graphite board and deionized water, and intermediate products and products are non-toxic and pollution-free.

Description

technical field [0001] The invention relates to an adsorption material and a preparation method thereof, belonging to the field of water treatment, in particular to a carbon-based adsorption material and a preparation method thereof. Background technique [0002] At present, sewage treatment is mainly divided into physical, biological and chemical methods, among which adsorption method is a widely used sewage treatment method. In the field of industrial wastewater treatment, the adsorption method can be used to remove some toxic organic matter and heavy metal elements before the biochemical process section, and can also be used in the advanced treatment section. [0003] Commonly used water treatment adsorption materials include activated carbon, activated alumina, silica gel, synthetic organic adsorption resin, zeolite, etc., usually using a container to fix the adsorption material, and the sewage passes through it to absorb pollutants. These adsorption materials have the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/28B01J20/30C02F1/28
CPCB01J20/20B01J20/28016B01J20/3021B01J20/3078C02F1/283
Inventor 汪杰明侯大军叶晨朱丽黄琨李卓益
Owner 武汉霖泉环保科技有限公司