CARBOXYMETHYLCELLULOSE PRODUCTION PROCESS
FIELD: pulp-and-paper industry. SUBSTANCE: invention aims at producing carboxymethylcellulose for application as drilling mud stabilizer, as antiresorbent included in synthetic detergents, as depressor in flotation enrichment of copper-nickel and sylvinite ores, as dextrin glue, etc. Special-type pa...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | FIELD: pulp-and-paper industry. SUBSTANCE: invention aims at producing carboxymethylcellulose for application as drilling mud stabilizer, as antiresorbent included in synthetic detergents, as depressor in flotation enrichment of copper-nickel and sylvinite ores, as dextrin glue, etc. Special-type paper waste originated from destruction of bank notes is mercerized with sodium hydroxide aqueous solution, treated with sodium monochloroacetate, ripened on standing, and dried. EFFECT: reduced (by 25-30%) cost. 1 tbl |
---|