邻苯二甲酸酯的厌氧生物降解规律研究

Anaerobic degradation process of phthalic acid esters.

对10种邻苯二甲酸酯进行产甲烷潜能研究,结果发现,产甲烷性能有较大的差异.邻苯二甲酸酯终极厌氧生物降解受其分子结构影响,烷基链越长,受试化合物的厌氧生物降解率越低,其降解半衰期越长;通过分析试验,建立了产气量与烷基链碳原子数相关方程,可以从烷基链的长度(碳原子数)大致推断邻苯二甲酸酯的厌氧生物降解性状.

Ten phthalic acid esters （PAEs） were tested anaerobically to assess their potential for biogas production. Results showed that biogas production decreased with the increasing alkyl chain length of PAEs resulting in its increased half-life. The equation between net biogas production and atomic number of PAEs was established through the test. It can be concluded that anaerobic biodegradability of PAEs could be predicted by their alkyl chain length.