Treatment of phenolic pollutants in water by phanerochaete chrysosporium

• Main Authors: Junne Nane Shen, 沈俊男
• Other Authors: D.H.Tseng
• Format: Others
• Language: zh-TW
• Published: 1995
• Online Access: http://ndltd.ncl.edu.tw/handle/78739149229610608528

碩士 === 國立中央大學 === 環境工程研究所 === 83 === The objective of this research was to evaluate the biotreatment feasibility of phenolic pollutants in water by means of pure culturewith white-rot fungus Phanerochaete chrysosporium ATCC 24725. The coimmobilizing capsules, alginate-PAC (powdered activated carbon) gel, were used to immobilize the fungus. The result haddemonstrated that the coimmobilized-cell system was more effective than the suspended-cell system in the treatment of phenolic pollutants including phenol、4-chlorophenol(CP) 、2,4-di- chlorophenol and 2,4,6-trichlorophenol. The growth of suspended cells had an inverse relation to the dosage of phenolic compounds . The growthof suspended P. chrysosporium was inhibited when exposured to a dosage loading with 0.1mg 4-CP/mg-cell, but it seemed have no effect on the growth of immobilized cells. To identify themetabolites of the phenolic compounds after degradation by P. chrysosporium, the result from HPLC analysis indicated that phenol was initially degraded to catechol, then degraded tomuconic acid, 4-chlorophenol was oxidized to 4-chloro- catechol,on the other hand, 2,4-dichlorophenol and 2,4,6-tri chlorophenol were dechlorinated to 4-chlorophenol and phenol, respectively.The coimmobilization system could retain phenolic compounds in position near the fungus cells grown on the carriers , thereby increasing the degradation efficiency for the target chemicals.