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In this manufacturing process the wastewater can contain large quantity of organic solvent such as developers, strippers and rinse liquid waste. The wastewater will then consist of difficult and non-biodegradable chemicals such as Dimethyl Sulphoxide, Ethanolamine and Tetramethyl Ammonium Hydroxide that causes large footprint for biological tank and unstable operating issue under shock load situation when using the conventional activated sludge and fixed film process.

We recommend the Biowater CFAS due to its high biomass attached surface area, tolerance for shock load and smaller footprint features. A unique slot jet aerator with appropriate retention sieve is designed for complete aeration and agitation. It can also save more than one thirds of power consumption due to its high oxygen transfer performance and low gas/liquid features.

CFAS® case: Tainan, Taiwan