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Caustic Soda for pulp and paper manufacturing, cleaning products, petroleum and natural gas, cellulose film, cotton textile process, water treatment. buy in Toronto
ALL.BIZ Canada Canada products Chemical industries Production of inorganic chemistry Alkalis and soda products Hydrate of sodium Caustic Soda for pulp and paper manufacturing, cleaning products, petroleum and natural gas, cellulose film, cotton textile process, water treatment.
Buy Caustic Soda for pulp and paper manufacturing, cleaning products, petroleum and natural gas, cellulose film, cotton textile process, water treatment.
Caustic Soda for pulp and paper manufacturing, cleaning products, petroleum and natural gas, cellulose film, cotton textile process, water treatment.

Caustic Soda for pulp and paper manufacturing, cleaning products, petroleum and natural gas, cellulose film, cotton textile process, water treatment.

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  • BrandSODA
Description

Caustic soda is one of the basic building blocks of chemistry and as such it finds diversified applications. A few of the broad use categories are: chemical manufacturing; pulp and paper manufacturing; cleaning products; petroleum and natural gas; cellulose film; cotton textile process; and water treatment.

Caustic soda, especially when used for pH control, neutralization of waste acids, and similar applications, competes with other alkalies, particularly sodium carbonate (soda ash). The common factors for selecting caustic soda are its stronger basicity and easier storage and handling.

One of the major chemical uses of caustic soda is in the manufacture of alumina from bauxite, where it dissolves the alumina so that insoluble impurities can be separated. In addition, caustic soda performs a variety of functions in chemical manufacturing including waste acid neutralization, pH control, caustic scrubbing of off-gases, catalysis, and caustic extraction.

Caustic soda is an important commodity chemical for the pulp and paper industry. Principal uses in pulp and paper production include the cooking/processing of Kraft pulps, the extraction of lignin during the pulp bleaching sequences, and the on-site manufacture of sodium hypochlorite. The general pulp bleaching procedure involves a bleaching sequence during which impurities and colored matter in the pulp are oxidized and/or converted to alkali-soluble forms, and an extraction sequence during which the impurities are removed. Extraction stages almost invariably use caustic soda.

Caustic soda is used to some extent in all of the chemical pulping processes: sulfate, sulfite, and soda. In the sulfate and soda processes, the pulping liquors are solutions of caustic and sodium sulfide, and caustic, respectively. In the sulfate process, which is by far the most important pulping process, maximum recycling is accomplished by concentrating the solids in the waste pulping liquor, burning the concentrated liquor, and then re-causticizing the dissolved smelt from the furnace with a lime causticizing system. Additionally, caustic soda is used in the acid sodium sulfite pulping process for softening and swelling wood prior to making certain types of mechanical pulps, for water treatment, and for scrubbing off-gases.


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Caustic Soda for pulp and paper manufacturing, cleaning products, petroleum and natural gas, cellulose film, cotton textile process, water treatment.
Caustic Soda for pulp and paper manufacturing, cleaning products, petroleum and natural gas, cellulose film, cotton textile process, water treatment.
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