Engineering - Chemical Patents for Sale or License

Method for Production of Pulp

A pulp production process can produce pulp at high yield without usin sodium sulfide and high temperature/high pressure conditions if compared with the KRAFT process. Out of black liquor generated during the processes, lignin is collected. Pulp is produced by processing wood / plant chips for hydrophilicization at room temperature, using a diluted caustic soda aqueous solution, selectively partially modifying lignin in dilute nitric acid and digesting the wood chips by means of a dilute caustic
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