Fluidized bed biofilm reactor for wastewater treatment

Author(s):  
Wen K. Shieh ◽  
John D. Keenan
2016 ◽  
Vol 74 (5) ◽  
pp. 1088-1095 ◽  
Author(s):  
Yingwen Chen ◽  
Jinlong Zhao ◽  
Kai Li ◽  
Shitao Xie

In this paper, a fast mass transfer anaerobic inner loop fluidized bed biofilm reactor (ILFBBR) was developed to improve purified terephthalic acid (PTA) wastewater treatment. The emphasis of this study was on the start-up mode of the anaerobic ILFBBR, the hydraulic loadings and the operation stability. The biological morphology of the anaerobic biofilm in the reactors was also analyzed. The anaerobic column could operate successfully for 46 days due to the pre-aerating process. The anaerobic column had the capacity to resist shock loadings and maintained a high stable chemical oxygen demand (COD) and terephthalic acid removal rates at a hydraulic retention time of 5–10 h, even under conditions of organic volumetric loadings as high as 28.8 kg COD·m−3.d−1. The scanning electron microscope analysis of the anaerobic carrier demonstrated that clusters of prokaryotes grew inside of pores and that the filaments generated by pre-aeration contributed to the anaerobic biofilm formation and stability.


2000 ◽  
Vol 5 (1) ◽  
pp. 65-70 ◽  
Author(s):  
Jeong-Woo Choi ◽  
Junhong Min ◽  
Won-Hong Lee ◽  
Sang Baek Lee

1999 ◽  
Vol 4 (1) ◽  
pp. 51-58 ◽  
Author(s):  
Jeong-Woo Choi ◽  
Juhong Min ◽  
Won-Hong Lee ◽  
Sang Back Lee

1999 ◽  
Vol 4 (1) ◽  
pp. 58-58
Author(s):  
Jeong-Woo Choi ◽  
Juhong Min ◽  
Won-Hong Lee ◽  
Sang Back Lee

2009 ◽  
Vol 59 (9) ◽  
pp. 1817-1821 ◽  
Author(s):  
Thalla Arun Kumar ◽  
S. Saravanan

The performance of a pilot scale aerobic fluidized bed biofilm process and chemical coagulation for textile wastewater treatment was studied. In order to enhance biological treatment efficiency of textile wastewater, poly urethane cubes were incorporated as a supporting media for attached growth. Fenton's reagent was used as a coagulant in the present study. The fluidized bed biofilm process was operated at four HRTs (3, 4.5, 6 and 8 hour) and the results showed that the COD removal efficiency increased from 69% to 94% when the HRT increased from 3 to 4.5 and there of the removal efficiency remained constant around 94%, even though using relatively low MLSS concentration and short sludge retention time. COD and TDS removals of 94.2% and 93.3% were achieved by overall combined process (FABR + Coagulation aided Sedimentation). After the treatment there is remarkable decrease in colour in addition to COD and TDS. This combined process was highly competitive in comparison to the other similar combined systems. It was concluded that this combined process was successfully employed and much effectively decreased they COD, TDS and color of textile wastewater treatment at pilot scale.


2002 ◽  
Vol 10 (1) ◽  
pp. 31-37 ◽  
Author(s):  
Satoshi Tsuneda ◽  
Joseph Auresenia ◽  
Yutaka Inoue ◽  
Yuji Hashimoto ◽  
Akira Hirata

1995 ◽  
Vol 9 (1) ◽  
pp. 35-40 ◽  
Author(s):  
Yoon Chan Choi ◽  
Dong Seog Kim ◽  
Tae Joo Park ◽  
Kyung Kee Park ◽  
Seung Koo Song

2020 ◽  
Vol 6 ◽  
pp. 340-344
Author(s):  
Andreia D. Santos ◽  
Rui C. Martins ◽  
Rosa M. Quinta-Ferreira ◽  
Luis M. Castro

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