机译:Recent Advances on Purification of Lactic Acid
China Univ Petr, State Key Lab Heavy Oil Proc, Coll Chem Engn, Qingdao 266580, Shandong, Peoples R China;
Xiangtan Univ, Coll Environm & Resources, Xiangtan 411105, Hunan, Peoples R China;
Lactic acid; precipitation; extraction; distillation; membrane;