CAJ | 학술논문

采用9%聚乙烯醇+0.5%海藻酸钠包埋耐盐菌群的固定化生物硅藻土小球投加到循环式活性污泥（CAST）反应器中，对比传统CAST工艺和投加固定化小球的CAST工艺对含盐污水COD和氨氮的去除效果，考察固定化生物硅藻土小球强化CAST工艺处理含盐污水性能。试验结果表明：在相同运行条件下，投加固定化生物硅藻土小球的CAST工艺出水COD、氨氮去除率基本维持在88%和90%以上，与传统CAST工艺相比分别提高了15%和10%。同时，向CAST工艺添加固定化生物硅藻土有助于维持反应器中微生物浓度稳定，提高出水水质及其稳定性。
채용9%취을희순+0.5%해조산납포매내염균군적고정화생물규조토소구투가도순배식활성오니（CAST）반응기중，대비전통CAST공예화투가고정화소구적CAST공예대함염오수COD화안담적거제효과，고찰고정화생물규조토소구강화CAST공예처리함염오수성능。시험결과표명：재상동운행조건하，투가고정화생물규조토소구적CAST공예출수COD、안담거제솔기본유지재88%화90%이상，여전통CAST공예상비분별제고료15%화10%。동시，향CAST공예첨가고정화생물규조토유조우유지반응기중미생물농도은정，제고출수수질급기은정성。
The immobilized bio-diatomite pellets,which consists of 9% of polyvinyl alcohol (PVA) and 0.5% of sodium alginate(SA) embedded salt-tolerant flora,should be added to the CAST reactor,so as to compare the removing effects of tradition CAST process and CAST process with the addition of immobilized biodiatomite pellets ,on the re-moving rates of COD and ammonia-nitrogen from saline wastewater. The enhanced treatment capability of saline wastewater by the CAST process with immobilized biodiatomite pellets has been investigated. The results show that under the same operation conditions,the effluent COD and ammonia-nitrogent removing rates by the CAST process with the addition of immobilized bio-diatomite pellets can basically keep at 88%and 90%above ,respectively. It is 15%and 10%higher,respectively,than that of the CAST process. In addition,adding immobilized bio-diatomite to CAST process is good for maintaining the stability of microbial concentration in the reactor , and for improving the effluent water quality and its stability.