Nature Environment and Pollution Technology

Open Access Open Access  Restricted Access Subscription Access

Effect of Organic Loading Rate for Treating Distillery Effluent in Diphasic Anaerobic Digester


Affiliations
1 Deptt. of Civil Engineering, Annamalai University, Annamalainagar-608 002, T.N., India
 

Diphasic anaerobic digesters have inherent advantages of exclusive process controls on the growth of microorganisms independently in acidogenic and methonogenic phases. A laboratory model of 15.0 liter effective volume with 2.5 liter of acidogenic reactor and 13.5 liter of methonogenic reactor was used to characterize the treatability of distillery wastewater. The model was run for varying concentrations of COD and influent rates to study the effect of organic loading rate in reducing the COD into harmless end products. The COD removal efficiency was found to vary from 17.67 to 26.19 % for varying organic loading rate (OLR) from 41.06 to 2.903 kg COD/m3/d for acidogenic reactor and 58.28 to 77.42% for varying OLR from 6.317 to 0.396 kg COD/m3/d for methanogenic reactor. The overall maximum COD removal was observed for 82.30% at an OLR of 2.903 kg COD/m3/d.
User
Notifications
Font Size


Abstract Views: 122

PDF Views: 2




  • Effect of Organic Loading Rate for Treating Distillery Effluent in Diphasic Anaerobic Digester

Abstract Views: 122  |  PDF Views: 2

Authors

B. Asha
Deptt. of Civil Engineering, Annamalai University, Annamalainagar-608 002, T.N., India
V. Nehru Kumar
Deptt. of Civil Engineering, Annamalai University, Annamalainagar-608 002, T.N., India

Abstract


Diphasic anaerobic digesters have inherent advantages of exclusive process controls on the growth of microorganisms independently in acidogenic and methonogenic phases. A laboratory model of 15.0 liter effective volume with 2.5 liter of acidogenic reactor and 13.5 liter of methonogenic reactor was used to characterize the treatability of distillery wastewater. The model was run for varying concentrations of COD and influent rates to study the effect of organic loading rate in reducing the COD into harmless end products. The COD removal efficiency was found to vary from 17.67 to 26.19 % for varying organic loading rate (OLR) from 41.06 to 2.903 kg COD/m3/d for acidogenic reactor and 58.28 to 77.42% for varying OLR from 6.317 to 0.396 kg COD/m3/d for methanogenic reactor. The overall maximum COD removal was observed for 82.30% at an OLR of 2.903 kg COD/m3/d.