Development of Technology for Producing Cotton Cellulose

Abstract

Today, the current problem of the pulp and paper industry (PPI) in the Republic of Uzbekistan is the development of technology for the production of cotton cellulose from low-grade lint, the use of which provides a severe shortage of cellulose and paper. Environmental protection, reduction of energy consumption, reduction of water and chemical consumption, as well as rational use of available raw materials. At the same time, it is necessary to create and introduce new technological processes that reduce the amount and toxicity of wastewater, reduce gaseous waste, closed cycles of water use and recycling of chemicals. Important directions of scientific and technical development.

The object of the study was the cooking liquor, spent liquor, industrial water after cooking and washing cellulose, the sanitary characteristics of the waste water, and the quality indicators of the products obtained.

Discoloration of waste water, a decrease in the residual amount of sodium hydroxide, pH medium and such sanitary indicators as chemical oxygen demand (COD5) and biochemical oxygen demand (BOD5) of waste liquor and wash water have been experimentally studied.