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Deep treatment process and granulation method of waste tire carbon black

A technology of waste tires and treatment process, which is applied in the direction of products, fibrous fillers, reagents, etc., can solve the problems of high risk in the activation process of carbon black, large loss of carbon black, and generation of harmful gases, so as to increase added value and strengthen phase Capacitance, increase the effect of economic benefits

Pending Publication Date: 2022-07-12
安徽浩悦生态科技有限责任公司
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a carbon black deep treatment process for scrapped old tires and its granulation method, which can improve many problems such as high risk in the activation process of carbon black, large loss of carbon black, and generation of harmful gases.

Method used

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  • Deep treatment process and granulation method of waste tire carbon black
  • Deep treatment process and granulation method of waste tire carbon black

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Activation: prepare 2mol / L HClO 4 2L, put the carbon black pre-material and the acid solution into the activation container according to the ratio of 1g / 10ml, mechanically stir for 1 hour at a constant temperature of 50 ° C, cool, and wash with suction filtration to pH 7, continue suction filtration, and collect to obtain pickling. Carbon black; put the acid-washed carbon black and the organic solvent into a beaker according to the ratio of 1g / 5ml, the organic solvent is a mixture of ethanol, benzene, toluene, acetone, acetonitrile, ethanolamine and formamide, mechanically stir for 45 minutes, heat and extract to extract. The extract is colorless, the organic solvent is removed, and it is dried to constant weight in a drying oven at 105° C. to obtain carbon black activation material.

[0022] Granulation: firstly, the carbon nanotubes, tryptophan and 10% lactose aqueous solution are mixed according to the mass ratio of 1:1.2:50, and under the conditions of normal pressu...

Embodiment 2-1、2-2

[0024] Activation and granulation were carried out according to the method of Example 1, wherein the ratio of acid-washed carbon black to acid solution was 1g / 15ml and 1g / 7ml respectively, and other conditions and data were the same.

Embodiment 3-1、3-2

[0026] Activation and granulation were carried out according to the method of Example 1, wherein the ratios of acid-washed carbon black and organic solvent were 1g / 10ml and 1g / 15ml respectively, and other conditions and data were the same.

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Abstract

The invention relates to the field of resource recycling, in particular to a waste tire carbon black deep treatment process and a granulation method of the waste tire carbon black deep treatment process. (2) activating; and (3) granulating. Through surface modification and granulation of the carbon black, the compatibility with rubber is enhanced, the performance index of industrial carbon black is achieved, the additional value of pyrolytic carbon black is improved, the economic benefits of enterprises are greatly increased, low-concentration perchloric acid is selected in the activation process, carbon black is not consumed, harmful gas is not generated, and safety and reliability are achieved.

Description

technical field [0001] The invention relates to the field of resource reuse, in particular to a process for deep treatment of scrapped and used tire carbon black and a granulation method thereof. Background technique [0002] With the increasing use of automobiles, the amount of tires is also increasing, resulting in a large accumulation of waste tires, resulting in serious black pollution. The recycling of waste tires has become a major issue in today's world. In the future, the recycling of waste tires in my country should be a sunrise industry. Common methods of recycling waste tires mainly include: tire retreading, thermal cracking, and production of rubber powder. Due to the high carbon content of waste tires, researchers mostly consider the preparation of activated carbon and carbon black products, and the usual preparation of carbon black products from waste tires is to thermally crack waste tires. As a carbon black product; however, such a carbon black product has a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/48C09C1/56C09C1/58
CPCC09C1/482C09C1/565C09C1/58Y02W30/62
Inventor 刘友舫穆元崔亮亮吴昊
Owner 安徽浩悦生态科技有限责任公司
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