1887

Abstract

SUMMARY: A synthetic medium containing inorganic sources of N, P, Fe, S, Ca and Mg, trace minerals and essential vitamins was developed for anaerobic degradation of cellulose to CH. A mixed culture obtained from sewage sludge and grown in batch culture in this medium degraded about 4 g cellulose l week and produced about 710 ml total gas per g cellulose degraded. The gas produced contained between 51 and 56% CH, the remainder being CO. For maximum degradation of cellulose to CH and CO, the requirement for essential salts other than HCO , Fe and S was comparable to that of other anaerobes. NH or NaCO at 20 to 24 m and total Fe at 0·4 to 0·6 m gave optimum conversion of cellulose to CH, while the inclusion of additional S in the presence of 1·75 m-SO was not required.

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/content/journal/micro/10.1099/00221287-112-2-365
1979-06-01
2021-08-04
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