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Development of kinetic model for xanthan production in a lab scale batch fermentor | ||
| Iranian Journal of Science | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 29 تیر 1395 | ||
| نوع مقاله: Regular Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijsts.2016.3772 | ||
| نویسندگان | ||
| Ali Zakeri* 1؛ Mohammad Pazouki2؛ Manouchehr Vosoughi3 | ||
| 1Materials and Energy Research Center | ||
| 2Material and Energy Research Center | ||
| 3Sharif University of Technology | ||
| چکیده | ||
| The present study was undertaken to investigate a kinetic model for cell growth evaluation and biopolymer production by Xanthomonas campestris in a lab scale batch fermentor.The optimum conditions selected for biopolymer production were 30 °C for media temperature, 500 rpm for agitation rate, 65 g/l for sugarcane concentration and 1.5vvm for air flow rate . A detailed, unstructured, mathematical kinetic model is presented here for batch production of Xanthan biopolymer from X.campestris. Set of ordinary differential equations were developed as Logistic model for X.campestris growth and Logistic incorporated Leudeking Piret model for Xanthan production. These models would offer more insights of Xanthan optimization with better productivities. The value of specific growth rate μ_max of logistic model was 0.026 h-1. The values of α and β is 8.480, and 0.077 respectively which shows that the xanthan production is growth associated since the value of the growth associated parameter α is much more than the value of nongrowth associated parameter β in Luedeking Piret model. | ||
| کلیدواژهها | ||
| Batch fermentor؛ Xanthan؛ Logestic model؛ Luedeking-Piret model | ||
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آمار تعداد مشاهده مقاله: 862 |
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