Techno-economic analysis of a food waste valorisation process for lactic acid, lactide and poly(lactic acid) production

2018 ◽  
Vol 181 ◽  
pp. 72-87 ◽  
Author(s):  
Tsz Him Kwan ◽  
Yunzi Hu ◽  
Carol Sze Ki Lin
Keyword(s):  
Lactic Acid ◽  
Economic Analysis ◽  
Food Waste ◽  
Acid Production ◽  
Lactic Acid Production ◽  
Poly Lactic Acid ◽  
Waste Valorisation

Impact of storage duration and micro-aerobic conditions on lactic acid production from food waste

2021 ◽  
Vol 323 ◽  
pp. 124618
Author(s):  
Zengshuai Zhang ◽  
Panagiotis Tsapekos ◽  
Merlin Alvarado-Morales ◽  
Irini Angelidaki
Keyword(s):  
Lactic Acid ◽  
Food Waste ◽  
Acid Production ◽  
Lactic Acid Production ◽  
Storage Duration ◽  
Aerobic Conditions

Optimization of Lactic Acid Production from Food Waste by the Saccharification of Bacillus subtili

2010 ◽  
Vol 113-116 ◽  
pp. 1080-1083 ◽  
Author(s):  
Ying Ying Liu ◽  
Qun Hui Wang ◽  
Li Wei Chen ◽  
Xiao Qiang Wang ◽  
Juan Wang
Keyword(s):  
Bacillus Subtilis ◽  
Lactic Acid ◽  
Acid Concentration ◽  
Food Waste ◽  
Acid Production ◽  
Lactic Acid Production ◽  
Total Sugar ◽  
Lactic Acid Concentration ◽  
Two Phase ◽  
Better Than

In order to reduce the costs of production and increase the lactic acid yields, this research adopts Bacillus subtilis to substitute enzymes. The method used in the study is two-phase fermentation - inoculate Bacillus subtilis to food waste to produce sugar, and then inoculate Lactobacillus to food waste to yield lactic acid. 87.22 g l–1 of total sugar can be obtained from non-autoclaved food waste in 30 h of saccharification at 40 centigrade. After two-phase fermentation, the optimal lactic acid concentration was 50.77g/L. The results indicate that two-phase fermentation is better than synchronous saccharification fermentation.

Dilute sulfuric acid fractionation of Korean food waste for ethanol and lactic acid production by yeast

2018 ◽  
Vol 74 ◽  
pp. 231-240 ◽  
Author(s):  
Yong Seon Kim ◽  
Ji Yeon Jang ◽  
Seong Jik Park ◽  
Byung Hwan Um
Keyword(s):  
Lactic Acid ◽  
Sulfuric Acid ◽  
Food Waste ◽  
Acid Production ◽  
Lactic Acid Production ◽  
Dilute Sulfuric Acid ◽  
Korean Food
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