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[Chemical Knowledge]：Properties and Uses of Bleached Softwood Pulp

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Bleached coniferous wood pulp is widely used in the field of raw materials for chemical production, and it is an important cellulose raw material. Bleached coniferous wood pulp is mainly made of coniferous wood, which is treated by chemical or mechanical methods to obtain a white, fine and long fiber length pulp. It has many excellent properties and therefore plays a key role in the production of many chemicals. This article will detail the properties and uses of bleached softwood pulp.

1. The properties of bleached softwood pulp

1. Physical properties
bleached softwood pulp has a white color, high fiber length and width, and good fiber strength. These physical properties make it highly valuable in the production of many chemicals.
2. Chemical properties
bleached softwood pulp is mainly composed of cellulose, which contains a large number of hydroxyl groups, making it have good reactivity. In addition, bleached softwood pulp also has good acid-base stability.

2. bleached softwood pulp use

1. paper industry
bleached softwood pulp is an important raw material for the paper industry, especially for the production of advanced cultural paper, printing paper and household paper. Because it has high fiber strength and whiteness, it can improve the quality and grade of paper.
2. Biomass energy
Bleached softwood pulp can be used as a raw material for biomass energy, which can be converted into biofuels, such as biodiesel and biogas, through biological enzymatic hydrolysis or chemical methods.
3. chemical production
bleached softwood pulp can be used to produce many chemicals, such as cellulose derivatives, sodium carboxymethyl cellulose, microcrystalline cellulose, etc. These compounds are widely used in food, medicine, textile, printing and dyeing industries.
4. Other fields
In addition to the above fields, bleached softwood pulp can also be used for the production of wood-based panels, cellulose fibers, etc. At the same time, it can also be used as a raw material for environmentally friendly materials to make biodegradable tableware, packaging bags, etc.

In short, bleached softwood pulp has a wide range of applications in the field of raw materials for chemical production, and can be used in papermaking, biomass energy, chemical production and other fields. With the continuous development of science and technology, the application field of bleached softwood pulp will continue to expand.

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