Use of wastewater sludge as a raw material for production of L-lactic acid
Journal Article
·
· Environmental Science and Technology
- Shizuoka Univ. (Japan). Dept. of Materials Science and Chemical Engineering
This study utilizes wastewater sludges to produce L-lactic acid, a precursor of biodegradable plastic. The high concentrations of cellulose contained in the sludge, derived from a paper manufacturing facility, have been found to be convertible to L-lactic acid at a rate as high as 6.91 g/L. To achieve such a high conversion rate, the sludge must be pretreated with cellulase. This pretreatment includes inoculation of the sludge with lactic acid bacteria, strain LA1, after the sludge has been subjected to enzymatic hydrolysis.
- OSTI ID:
- 298251
- Journal Information:
- Environmental Science and Technology, Vol. 33, Issue 1; Other Information: PBD: 1 Jan 1999
- Country of Publication:
- United States
- Language:
- English
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