An Efficient Biological Treatment on Dairy Wastewater by Lactobacillus plantarum: Mathematical Modeling and Process Parameters Optimization

被引：3

作者：

Golalikhani, Mahshid ^{[1
]}

Razavi, Seyed Hadi ^{[1
,2
]}

机构：

[1] Univ Tehran, Fac Agr Engn & Technol, Dept Food Sci Engn & Technol, Bioproc Engn Lab BPEL, POB 4111, Karaj 3158777871, Iran

[2] Univ Tehran, Iranian Ctr Excellence Applicat Modern Technol Pr, Karaj, Iran

来源：

INTERNATIONAL JOURNAL OF FOOD ENGINEERING | 2016年 / 12卷 / 01期

关键词：

dairy factory wastewater; biological treatment; statistical optimization; process modeling; response surface methodology; RESPONSE-SURFACE METHODOLOGY; DIETZIA-NATRONOLIMNAEA HS-1; LACTOCOCCUS-LACTIS; ACID; COAGULATION; TOLERANCE; CULTURES; REMOVAL; DESIGN; MEDIA;

D O I：

10.1515/ijfe-2015-0109

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The ability of Lactobacillus plantarum for biological treatment of dairy wastewater was investigated using a response surface method. The effects of three culture condition parameters of temperature (24.93-40.07 degrees C), pH (4.3-6.7), and agitation rate (99.5-200.5 rpm) on the removal efficiency of sugar, total protein content (TPC), and chemical oxygen demand (COD) of the wastewater were studied. For each response parameter, a second-order polynomial model versus independent variables (p < 0.0001) was determined and statistically obtained with high coefficient of determination values (R-2 > 0.95). Numerical optimization defined the optimum treatment conditions for achieving the highest removal efficiency was temperature of 28 degrees C, pH of 5.03, and agitation rate of 147.51 rpm. Under the optimum condition, the removal efficiency values for sugar, TPC, and COD were predicted to be 72.18%, 54.51%, and 78.99%, respectively.

引用

页码：63 / 73

页数：11

共 35 条

[1] Removal of COD from Industrial Effluent Containing Indigo Dye Using Adsorption Method by Activated Carbon Cloth: Optimization, Kinetic, and Isotherm Studies [J].