| 摘要 |
PROBLEM TO BE SOLVED: To produce a fuel for Diesel engines from a waste fish oil or a mixture of the waste fish oil with a waste vegetable oil which have been dumped as raw material. SOLUTION: This method for producing the fuel for Diesel engines is characterized by having the primary treatment process comprising subjecting a fish oil (virgin oil or waste fish oil) or a mixture of the fish oil with a vegetable oil (virgin oil or waste vegetable oil) (hereinafter referred to as 'raw material') to an ozone injection treatment and a simultaneous stirring treatment, charging an oxidation-reduction agent and a polymerization inhibitor to the raw material during the stirring treatment, subjecting the raw material to the ozone injection treatment and the stirring treatment, and further charging the oxidation- reduction agent and the polymerization inhibitor during the stirring treatment, the secondary treatment process comprising filtering the product obtained by the primary treatment, again injecting the ozone and simultaneously stirring the product, and further a process comprising charging a vegetable additive to the product obtained by the secondary treatment process.
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