(1)Scope of application:
It is suitable for industrial enterprises that use cellulose as the main raw material to manufacture cellulose ethers, including sodium carboxymethyl cellulose, methyl cellulose and its derivatives, hydroxyethyl cellulose, etc.
(2)Production process:
1.Main production process: cellulose crushing, alkalization, etherification, gas recovery, precipitation, neutralization, washing, solid-liquid separation, stripping, filtration, drying, crushing, mixing and packaging, etc.
2.Main raw and auxiliary materials: main raw materials include refined cotton, kapok pulp, sodium hydroxide, propylene oxide/ethane, monochloromethane, chloroacetic acid, etc.; main auxiliary materials include toluene, ethanol, isopropanol, tert-butanol, methanol, acetone, glyoxal, acetic acid, nitric acid, hydrochloric acid, sodium hypochlorite, etc.
3.Main energy sources: natural gas, electricity, coal, liquefied petroleum gas, biomass fuel, purchased hot steam, etc.