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1. (WO2017173008) METHODS OF PREPARING HEMICELLULOSE COMPOSITIONS

Pub. No.:    WO/2017/173008    International Application No.:    PCT/US2017/024881
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Fri Mar 31 01:59:59 CEST 2017
IPC: C08B 37/14
C12P 19/04
B03D 1/016
D21C 3/02
Applicants: KEMIRA OYJ
Inventors: YIN, Xihui
WILSON, Duane, C.
KOFSKY-WOFFORD, Stephanie A.
DA COSTA, Marcelo Moreira
Title: METHODS OF PREPARING HEMICELLULOSE COMPOSITIONS
Abstract:
Multi-extraction methods for preparing hemicellulose compositions are provided. Depressant compositions comprising hemicellulose compositions are also provided herein. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral, wherein the process comprises carrying out a flotation process in the presence of one or more collecting agents and a depressant composition comprising hemicellulose.