Optimized remediation of anaerobically digested molasses spent wash from biogas plant and simultaneous production of lactic acid

N. Sharma, L. Wati, D. Singh, P. Nigam

Research output: Contribution to journalArticlepeer-review

Abstract

Isolates of lactic acid bacteria were obtained by enrichment using anaerobically digested molasses spent wash (ADMSW), a dark brown colored effluent with high COD, obtained from biomethanation plant The isolates could grow in 25%,v/v ADMSW medium supplemented with 3% sucrose,4% moong bean sprouts (w/v) and 0.125% diammonium phosphate. In the fermentation process, the organic load in terms of COD was reduced by 55.2% with 67. 2% decolonization of the effluent. During the process, lactic acid was produced by the bacterial isolates with an average yield of 17.7 gL-1 in 96 h fermentation.

Original languageEnglish
Pages (from-to)343-347
Number of pages5
JournalIndian Journal of Microbiology
Volume46
Issue number4
Publication statusPublished - 6 Dec 2006

Keywords

  • Bioremediation
  • Decolonization
  • Lactic acid
  • Molasses spent wash

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