CAJ | 학술논문

为了选择耐盐菌GTY对偶氮染料活性艳红X-3B的最佳脱色条件,研究了不同环境条件对脱色效果的影响,结果表明耐盐菌GTY对偶氮染料活性艳红X-3B有较好的脱色效果,能够适应较宽范围的pH值以及污染物负荷,当pH值在7～9之间,活性艳红X-3B初始浓度在600mg/L以下,GTY菌液生长期在对数末期时脱色效果达到最佳状态,24h脱色率能达到90%左右.同时考察了GTY的不同初始接菌量对活性艳红X-3B脱色的影响,结果发现高的初始接菌量可以提高脱色速率,但是一定时间后,初始接菌量对最终脱色效果并无太大影响,兼顾节约成本和脱色效果选择最佳初始接菌量为5%.
위료선택내염균GTY대우담염료활성염홍X-3B적최가탈색조건,연구료불동배경조건대탈색효과적영향,결과표명내염균GTY대우담염료활성염홍X-3B유교호적탈색효과,능구괄응교관범위적pH치이급오염물부하,당pH치재7～9지간,활성염홍X-3B초시농도재600mg/L이하,GTY균액생장기재대수말기시탈색효과체도최가상태,24h탈색솔능체도90%좌우.동시고찰료GTY적불동초시접균량대활성염홍X-3B탈색적영향,결과발현고적초시접균량가이제고탈색속솔,단시일정시간후,초시접균량대최종탈색효과병무태대영향,겸고절약성본화탈색효과선택최가초시접균량위5%.
Lab experiment was conducted in order to optimize the condition of decolorizing Reactive X-3B Red dyestuff by using GTY, a strain of salt-tolerant bacterium. The findings have proved the capability of salt-tolerant GTY for decolorization of Reactive X-3B Red in a wide range of pH and dye concentrations. The best efficiency was achieved with pH 7～9 and initial dye concentrations less than 600mg/L. GTY growing in the logarithmic stage showed better per-forrnance with 90% of the decolorization rate in 24h. Higher inoculation concentration could speed up the decolorization, but had no evident improvement on final declorization efficiency. It is concluded that the best inoculation concentration was at 5% after balancing both the cost and declorization result.