Response Surface Methodology for the Optimization of Chlorpyrifos-Degrading Conditions by Pseudomonas stutzeri ZH-1 - Open Access Library Journal

OALibJ > Vol.5 No.3, March 2018

Volume 5, Issue 3 (March 2018)

ISSN Print: 2333-9705 ISSN Online: 2333-9721

Google-based Impact Factor: 0.73 Citations

Response Surface Methodology for the Optimization of Chlorpyrifos-Degrading Conditions by Pseudomonas stutzeri ZH-1 ()

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DOI: 10.4236/oalib.1104405 649 Downloads 1,617 Views Citations

Author(s)

Feng He¹, Mimi Zhang², Lihong Zhang¹, Qingping Hu^1*

Affiliation(s)

¹College of Life Science, Shanxi Normal University, Linfen, China.
²Modern College of Humanities Sciences, Shanxi Normal University, Linfen, China.

ABSTRACT

The removal of pesticides in the environment mainly depends on natural degradation, especially on microbial degradation. Biodegradation has many advantages, such as complete degradation, no secondary pollution, quick effect and wide spectrum. Based on the single-factor experiments and Box-Benhnken design, the effect of four factors on the degradation of chlorpyrifos by P. stutzeri ZH-1 was investigated. The four factors, including temperature (℃), oscillator speed (rpm), inoculum concentration (%) and pH, and their interactions on the degradation of chlorpyrifos were studied through the use of response surface analysis. The optimal conditions of chlorpyrifos-degrading were as follows: Temperature 36.7？C, oscillator speed 130.00 rpm, inoculum concentration 7%, pH 7. Under these conditions, the degradation rate of chlorpyrifos was 96.48%. Moreover, P. stutzeri ZH-1 could be used efficiently for remediation of contaminated soils.

KEYWORDS

Response Surface Methodology, Chlorpyrifos-Degrading, Pseudomonas Stutzeri ZH-1

Share and Cite:

He, F. , Zhang, M. , Zhang, L. and Hu, Q. (2018) Response Surface Methodology for the Optimization of Chlorpyrifos-Degrading Conditions by Pseudomonas stutzeri ZH-1. Open Access Library Journal, 5, 1-14. doi: 10.4236/oalib.1104405.

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[2]	Stability and Antioxidant Activity of Natural Red Pigment by Pseudomonas stutzeri ZH-1
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