Title:
OXALIC ACID CRYSTAL FREE FROM AGGLOMERATION TENDENCY
Document Type and Number:
Japanese Patent JPH06298696
Kind Code:
A
Abstract:
PURPOSE: To obtain oxalic acid crystal free from agglomeration during transportation or storage over a long period and usable without necessitating the operation such as crushing of the agglomerated crystal.
CONSTITUTION: The objective oxalic acid is produced by removing a part of the crystallization water of oxalic acid dihydrate crystal to a purity of 100.1-140wt.% in terms of oxalic acid dihydrate.
Inventors:
ONDA MASATAKA
KO YASUO
KO YASUO
Application Number:
JP8867693A
Publication Date:
October 25, 1994
Filing Date:
April 15, 1993
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO
International Classes:
C07C51/42; C07C51/43; C07C55/06; (IPC1-7): C07C55/06; C07C51/42; C07C51/43
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