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[Chemical Knowledge]：What are the upstream raw materials for viscose? What do the downstream products contain?

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Viscose plays an important role in the field of chemical production raw materials, and its upstream and downstream related products are rich and diverse. This article will detail the upstream and downstream related products of viscose, including upstream raw materials, downstream applications, and by-products in the production process.

1. Upstream Raw Material

1. Wood: The main raw material for the production of viscose is wood, especially softwood wood, such as pine, spruce, etc. Cellulose in wood is the main component of viscose.
2. Cotton linter: Cotton linter is a by-product of cotton processing and is also rich in cellulose, which can be used as a raw material for the production of viscose.
3. Recycled waste paper: Recycled waste paper can also be used as a raw material for the production of viscose, through recycling, to achieve resource conservation and environmental protection.

2. downstream application

1. Textile fiber: As an important textile fiber raw material, viscose is widely used in the production of various textiles, such as clothing, home textiles, industrial textiles, etc.
2. Non-woven fabrics: Viscose also plays an important role in the production of non-woven fabrics, which are used to make various non-woven products, such as medical dressings and sanitary products.
3. Papermaking: Viscose can be used in the paper industry to improve the strength and toughness of paper.

of by-products in the production process of
3.
1. Sulfuric acid: Sulfuric acid is produced as a by-product in the production process of viscose, which can be used in the production of other chemical products.
2. Black liquor: Black liquor containing lignin is produced during the production of viscose, which can be further processed and utilized, such as the production of fertilizers and fuels.

In summary, the upstream and downstream related products of viscose cover many fields and have high economic value and application prospects. By understanding the upstream and downstream related products of viscose, we can better understand the important position of viscose in the field of chemical production raw materials, and provide support for the sustainable development of viscose industry. At the same time, for viscose production enterprises, understanding the upstream and downstream related products also helps to improve the comprehensive efficiency and competitiveness of enterprises.

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