Study on Facultative Anaerobic Biodegradation Performance of Azo Dyestuffunder High Salt-containing Condition
[1]TONG Panrui,LEI Tao,CHEN Fangfang,et al.Study on Facultative Anaerobic Biodegradation Performance of Azo Dyestuffunder High Salt-containing Condition[J].Journal of Zhengzhou University (Engineering Science),2012,33(01):75-78.[doi:10.3969/j.issn.1671-6833.2012.01.019]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
33
Number of periods:
2012 01
Page number:
75-78
Column:
Public date:
2012-01-10
- Title:
- Study on Facultative Anaerobic Biodegradation Performance of Azo Dyestuffunder High Salt-containing Condition
- CLC:
- X791
- DOI:
- 10.3969/j.issn.1671-6833.2012.01.019
- Abstract:
- The facultative biodegradation performance of reactive dyestulis is studied by using different concentralions glucose as co-substrate. Based on this , the facultative biodegradation performance of K-2BP under dif.ferent salt-containing condition was investigated by static test reactor. The results indicated that facultative mi.croorganisms had lower degradation rate when only K-2BP was used as the substrate, and the degradation ratewould be increased under the existence of the glucose. The glucose concentration is 800 mg/l, while the degradation rate of K-2BP is 64. 19% at 6h. However, it is detrimental to dye’s biodegradation when the glucogeconcentration is up to 1000 mg/l, the degradation rate is only about 46% , that is similar to the conditionwithout glucose. On the premise of glucose concentration 800 mg/L, when the salt concentrations are 2 g/L.5 g/L ,10 g/L. and 20 g/L. respectively,the first-order kinetics constants are 0. 10578 mg/L · h 0.04947 mgL .h 0.02869 mg/L . h and 0.022 75 mg/l. . h respectively. And the halflives were 6.99 h、14.15 h、22.55 h and 30, 21h reepectively, The reaetion rate constants decrease gradually with the increase of the salt coneentrations ,and when the salt concentration is more than 2g/l., it can restrain the facultative microorganismsdegradation of K-2BP will be restrained.
- References:
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Last Update:
1900-01-01