科研之友
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摘要
Transesterification of fatty acid containing used or nonfood type vegetable oils with methanol ill the presence of partially hydrated calcium oxide has been performed. The calcium soaps formed are treated with sulfuric acid without separation from the ester phase. and the free acids formed are immediately converted to ester with the excess of methanol and the sulfuric acid (as catalyst).
- 出版日期2008-10-5
