Is the carbon black produced hazardous waste by tire pyrolysis plant?

Hazardous waste (English Hazardous waste) refers to wastes with hazardous characteristics identified in the national hazardous waste list or the national hazardous waste identification standards and identification methods.

hazardous waste
All kinds of hazardous waste


Hazard of hazardous waste:

1. Destroy the ecological environment. The dangerous waste discharged and stored will pollute the water body and soil under the long-term penetration and diffusion of rainwater and groundwater, and reduce the environmental function level of the area.

2. Affecting human health. Hazardous waste caused by ingestion, inhalation, skin absorption, eye contact, or cause dangerous events such as pollution and explosion; long-term hazards include long-term poisoning, carcinogenesis, and teratogenicity caused by repeated exposure.

3. Restricting sustainable development. The pollution of the atmosphere, water source and soil caused by untreated or unregulated disposal of hazardous waste will also become a bottleneck restricting economic activities.


carbon black usage
Carbon black

Carbon black produced by tire pyrolysis plant is not classified as hazardous waste. The carbon black industry policy needs to pay attention to environmental protection policies, and the industry has high environmental risks. In addition to the general industry policy, it is worth noting that environmental protection policies for carbon black are gradually being introduced, and environmental protection has become a link that cannot be ignored.

Carbon black is an important chemical raw material in the industry. Its dyeing and reinforcing properties are the additives for most plastics and rubber products. The tires account for 70% of the total. The rise of the US carbon black industry in the Second World War, in order to ensure the supply of strategic materials, forced carbon black manufacturers to expand a large number of production, with an important position to date, the annual output of up to 1.6 million metric tons; Asia's recent strong economics due to the mainland China factory Driven by growth, production capacity is also closely followed by the United States, with Japan and China ranking second and third, with an annual output of about 700,000 metric tons.

Tire pyrolysis plant uses waste tires as raw materials and undergoes a series of reactions after pyrolysis. The obtained products are pyrolysis oil, carbon black and steel wire. The entire pyrolysis process is environmentally friendly and non-polluting.


waste tire pyrolysis plant working process
Tire pyrolysis plant working process


Tire pyrolysis plant working process:

1 Pre-treating waste tires, waste plastics, waste engine oil, coal tar and other raw materials, respectively, or mixing them into an uninterrupted rotating cracking reactor;

2 The material is continuously rolled in a 360 degree in a specially designed flipping propulsion device in the reaction kettle;

3 Materials in the heated reactor to obtain heat for thermal cracking and catalytic cracking and distillate oil vapor;

4 The oil and gas is further catalytically cracked by a cyclone catalytic fractionator;

5 Liquefiable part of the light component enters the condenser and is cooled to a liquid oil;

6 The non-liquefiable part is burned into the heating system through the gas purification system; at the same time, the ash is automatically discharged;

7 If refined oil is required, it can be reprocessed in the tire pyrolysis plant.




One of tire pyrolysis plant product: carbon black

Carbon black use


carbon black usage
Carbon black usage

1. It is made into spherical carbon black and carbon black briquettes for heating and burning.

carbon black structure
Carbon black structure

2. Grind to N990, N762, N550 or N6660 for the tire manufacturing industry.

3. Processed into a color master and sold to the plastics industry.


carbon black produced by pyrolysis plant
Carbon black produced by pyrolysis plant


Pyrolytic carbon black is a product produced and modified by pyrolysis technology, which is different from the traditional carbon black production method. It is unique in its chemical and physical properties and has a high degree of cross-linking and scalability. In the rubber formulation, the pyrolytic carbon black not only has a good filling and reinforcing effect, but also can improve the carbon black dispersion uniformity of the rubber compound and improve the processing property of the rubber product, so the pyrolytic carbon black has been applied to the nylon oblique In the formulation of the inner layer of the tire, the outer layer of the curtain rubber, the side rubber, the inner layer rubber and the inner rubber, the conventional carbon such as N550/772 can be replaced without adjusting the other compounding ingredients in the original formula. Black does not affect the quality of the finished tire. In addition, pyrolytic carbon black is also widely used in rubber products such as cables, tapes, seals, and rubber rollers.

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