Abstract
It is a promising method to recover lactic acid from food waste (FW) fermentation, but the bottleneck problem is the low yield when using mixed inoculation. In this study, laboratorial biogas slurry (LBS) and industrial biogas slurry (IBS) were used as the additive in semi-continuous FW fermentation, aiming to promote the production of lactic acid. According to the research results, the addition of LBS or IBS promoted the production of lactic acid significantly from FW, especially carbohydrate, because it increased the pH values, maintained low OPR levels, and increased microbial number and diversity in the fermentation systems. IBS performed better than LBS because of higher pH, more diverse microbial community and more functional microorganisms. The best ratio of IBS to feedstock was 0.2, and the lactic acid yield reached 0.42 g/gVSadded. An excessively high dose would alter the fermentation pathways, reduce the ratio of lactic acid.
References
Sep 22, 2007·Biotechnology Advances·Gopal ReddyE Vijay Kumar
Oct 30, 2007·Biotechnology Advances·F W BaiM Moo-Young
May 5, 2009·Bioresource Technology·Dong-Yeol LeeYuhei Inamori
Nov 28, 2012·Biotechnology Advances·Chen-Guang LiuFeng-Wu Bai
Oct 8, 2013·Applied and Environmental Microbiology·Tae Sun KangTakuji Tanaka
Sep 10, 2014·Bioresource Technology·Jun Wei LimJing-Yuan Wang
Dec 3, 2014·Bioresource Technology·Xin ZhugeJian Chen
May 20, 2015·Bioresource Technology·Yuanyuan WuKaijun Wang
Sep 26, 2015·Journal of Microbiology and Biotechnology·Qian-Zhu LiHui-Zhou Liu
Apr 5, 2016·Waste Management·Jialing TangYuyou Li
Jun 28, 2016·Bioresource Technology·Jun YinTing Chen
Dec 13, 2016·Bioresource Technology·Jialing TangYuyou Li
Dec 26, 2016·Bioresource Technology·Dongsheng ShenTing Chen
Jan 8, 2017·Journal of Applied Microbiology·T ZottaA Ricciardi
Jul 12, 2017·Bioresource Technology·Miaomiao ZhouYang Zhang
Oct 3, 2017·Bioresource Technology·Fuqing XuYebo Li
Sep 16, 2018·Bioresource Technology·Kai FengChengzhi Zheng
Dec 28, 2018·Journal of Environmental Management·A Nayak, Brij Bhushan
Apr 5, 2020·The Science of the Total Environment·Lu LiYu-You Li
Jun 17, 2020·Bioresource Technology·Xinxin MaQunhui Wang
Jul 17, 2020·Bioresource Technology·Qiao WangHuan Li
Oct 26, 2020·Bioresource Technology·Yanjin WangChenxi Xia