A full-scale two-stage anaerobic treatment plant has been treating the wastewaters from a purified terephthalic acid (PTA) production facility in South Korea for over 4 years. A study was conducted to evaluate the performance characteristics of this system over a 17-month period of operation. The system has provided stable operation with COD removals consistently averaging over 90%. The removal of specific phthalic acid isomers and related chemicals has been essentially 100% except for terephthalic acid which has averaged about 90% and paratoluic acid which had only about 30% removal. About 80% of the removal occurred in the first stage of the two-stage hybrid process. A companion single-stage anaerobic contact process removed only 80 to 85% of the COD and only 35 to 67% of the phthalic acids.
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Research Article|
September 01 2000
Two-stage anaerobic treatment of purified terephthalic acid production wastewaters
J.C. Young;
J.C. Young
*Department of Civil Engineering, The University of Arkansas, Fayetteville, Arkansas, 72701 USA
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I.S. Kim;
I.S. Kim
**Kwangju Institute of Science and Technology, Kwangju, South Korea
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I.C. Page;
I.C. Page
***ADI Systems, Inc., Fredericton, New Brunswick, E3B 3Z2, Canada
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D.R. Wilson;
D.R. Wilson
***ADI Systems, Inc., Fredericton, New Brunswick, E3B 3Z2, Canada
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G.J. Brown;
G.J. Brown
***ADI Systems, Inc., Fredericton, New Brunswick, E3B 3Z2, Canada
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A.A. Cocci
A.A. Cocci
****Paques-ADI, Exton, Pennsylvania, 03079 USA
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Water Sci Technol (2000) 42 (5-6): 277–282.
Citation
J.C. Young, I.S. Kim, I.C. Page, D.R. Wilson, G.J. Brown, A.A. Cocci; Two-stage anaerobic treatment of purified terephthalic acid production wastewaters. Water Sci Technol 1 September 2000; 42 (5-6): 277–282. doi: https://doi.org/10.2166/wst.2000.0524
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