焦化废水中含有大量酚类与氰化物，由于成分复杂使得污水修复处理难度提高。利用广西北部湾海泥的粪产碱菌JQBF100进行降解氰化物和苯酚的研究，结果表明，JQBF100单独降解苯酚存在停滞期；在酚氰混合体系中，菌株可在无其他C、N源的无机盐溶液中降解初始酚氰质量浓度比为1 000∶100和500∶500的体系；无机氰化物优先被降解且不受苯酚影响，且氰化物的存在可缩短菌株降解苯酚的停滞期。苯酚与CN^-产物甲酸的降解相互有抑制作用，但苯酚随着甲酸的降解开始降解。

Typical coking wastewater contains plenty of phenols and cyanides,and is difficult to treat due to complicate containments.A study on the degradation of cyanides and phenol is carried out by using an Alcaligenes faecalis JQBF100 from Beibu Gulf,Guangxi Region,China.According to the study,the degradation of phenol by JQBF100 has a lag phase.In a phenol-cyanide mixing system without any other C and N based inorganic salts,JQBF100 can degrade a system with initial concentration ratios of phenol to cyanide of 1 000:100 and 500:500.Inorganic cyanides are degraded preferentially and unaffected by phenol,and the existence of inorganic cyanides can shorten the lag phase of phenol degradation.Further studies suggest that the degradations of phenol and CN-product formic acid can inhibit each other.But the degradation of phenol follows the degradation of formic acid.

张宇铸(1991-),男,硕士研究生,研究方向为环境生物工程,604042292@qq.com。