|
KMID : 0382420010270030043
|
|
Korean Journal of Environmental Health Society
2001 Volume.27 No. 3 p.43 ~ p.48
|
|
|
Treatment of Polyester Weight Loss Wastewater Using Strains Degrading Ethylene Glycol and Terephthalic Acid
|
|
Suh Seung-Kyo
|
|
|
Abstract
|
|
|
Terephthalic acid and ethylene glycol resulting from the weight-reduction process of polyester make trouble in the operation of activated sludge process. Also, polyester weight loss wastewater shows high pH, high organic strength and wide variation of organic loading. Therefore, this study was conducted in order to improve treatment efficiency by activated sludge process with Pseudomonas sp degrading components of polyester weight loss wastewater.
The COD_Ma and BOD_5 of the wastewater were 560∼800 mg/ℓ and 800∼3,000 mg/ℓ, respectively. pH was 11.8∼12.3. COD removal efficiency by activated sludge-coagulation process with Pseudomonas sp was 94.1∼95.8% for 35 hr of hydraulic retention time. Total organic carbon removal efficiency was 97.1%. Ethylene glycol and terephthalic acid in the wastewater were completely degraded during 32 hr of hydraulic retention time.
|
|
|
KEYWORD
|
|
|
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|
|