| Título: | Enzymatic Saccharification and L-lactic Acid Fermentation of Corn Stover Pretreated with Liquid Hot Water by Rhizopus oryzae |
| Autores: |
Kou, Xiaomeng; Dalian Polytechnic University, Dalian 116034, P. R. China Yang, Ruifeng; Dalian Polytechnic University, Dalian 116034, P. R. China Zhao, Jian; State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, P. R. China Lu, Jie; Dalian Polytechnic University Liu, Yanjun; Dalian Polytechnic University, Dalian 116034, P. R. China |
| Fecha: | 2013-08-01 |
| Publicador: | Bioresources |
| Fuente: |
 |
| Tipo: |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| Tema: | Enzymatic hydrolysis; L-lactic acid; Corn stover; Liquid hot water pretreatment |
| Descripción: | Corn stover was pretreated with liquid hot water (LHW) to enhance its enzymatic hydrolysis and L-lactic fermentation. The cellulose conversion rate and L-lactic acid concentration were used to evaluate LHW pretreatment performance. Results showed that the optimum conditions for the LHW pretreatment of corn stover are a reaction temperature of 190 °C for 20 min and a solid-to-liquid ratio of 1:10. The cellulase loading was 30 filter paper units per gram of oven-dried, water-insoluble solid. These conditions resulted in 92.3% conversion of cellulose to glucose. Sequential hydrolysis and fermentation using pretreated water-insoluble solid (WIS) produced an L-lactic acid concentration of 45 g/L. This study indicated that LHW pretreatment of corn stover is a suitable method for achieving high cellulose conversion and L-lactic acid concentration. |
| Idioma: | Inglés |