カチオン界面活性剤の微生物処理

概要

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In order to eliminate cationic surface active agents in waste water, the screening and isolation of microbes capable of decomposing an acyldiethanolamine phosphate (ADAP) have been undertaken. This cationic surface active agent was decomosed by certain fungi imperfecti which seemed to predominate in the trickling filter during sewage treatment. The most active in the disposal of the agent was Fusarium solani F-79. This fungus could dispose of one per cent of the agent within 24 hr, and the optimal conditions for the disposal were almost the same as those for mycelial growth. The process of disposal of the agent may be divided into two phases ; in the early phase the elimination of the agent was exclusively due to its adsorption by the mycelium ; then the adsorbed agent was gradually decomposed by the fungal enzyme(s). However, the agent could not be utilized as a substrate for mycelial growth. The fungal digposal of cationic surface active agents by F. solani F-79 may be possible for the treatment of secondary or tertiary amine forms of the agents, but appears to be ineffective for the treatment of primary amine or quaternary ammonium forms of the agents.
社団法人日本生物工学会の論文
1973-11-25