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1. (WO2017039439) PROCESS FOR THE RECOVERY OF HYDROCHLORIC ACID

Pub. No.:    WO/2017/039439    International Application No.:    PCT/NL2016/050600
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Tue Aug 30 01:59:59 CEST 2016
IPC: C13K 13/00
B01D 53/14
B01J 31/40
D21C 3/00
D21C 11/00
Applicants: AVANTIUM KNOWLEDGE CENTRE B.V.
Inventors: MCKAY, Benjamin
VAN DER WAAL, Jan Cornelis
GRUTER, Gerardus Johannes Maria
Title: PROCESS FOR THE RECOVERY OF HYDROCHLORIC ACID
Abstract:
Hydrochloric acid is recovered from a lignin composition in a process, comprising providing a particulate lignin composition that comprises lignin, water and hydrochloric acid; contacting the particulate lignin composition with a stream of stripping gas comprising an aprotic gas to obtain an acidified vapor stream that comprises water vapor, hydrochloric acid and aprotic gas; and recovering hydrochloric acid from the acidified vapor stream.