Article: Capacity surplus of glyoxal.(MARKET REPORT: Organics)

1 Production

The scale and technology of China's glyoxal production saw outstanding developments in the 1990s. Hubei Hengri Chemical Industry Co., Ltd., Liaoning Gaizhou Chemical Industry Co., Ltd. and Shanghai Sulfuric Acid Plant increased their glyoxal capacity through construction, renovation and expansion. Beijing Research Institute of Extraction Applied Technologies developed a solvent extraction process for the purification of glyoxal. Tsinghua Unisplendour Corporation Ltd. developed a process for the removal of formaldehyde from glyoxal.

There are nearly 10 glyoxal producers in China today. The total capacity is around 80 thousand t/a and the ...

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