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Production of lactic acid from paper sludge was studied using thermophilic Bacillus coagulan strains 36D1 and P4-102B. More than 80% of lactic acid yield and more than 87% of cellulose conversion were achieved using both strains without any pH control due to the buffering effect of CaCO 3 in paper sludge. The addition of CaCO 3 as the buffering reagent in rich medium increased lactic...
A thermophilic lactic acid (LA) producer was isolated and identified as Bacillus coagulans strain IPE22. The strain showed remarkable capability to ferment pentose, hexose and cellobiose, and was also resistant to inhibitors from lignocellulosic hydrolysates. Based on the strain’s promising features, an efficient process was developed to produce LA from wheat straw. The process consisted of biomass...
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