CAJ | 학술논문

该文介绍一种生物接触氧化填料对重庆梁滩河进行原位处理,通过布设生物填料和高效曝气系统,采用生化法改善地表水体。结果表明,该种工艺处理的水质能够满足《地表水环境质量标准》V类标准,对CODCr的去除率为68%,对氨氮的去除率为60%,对总磷的去除率达67.5%,3个工程河段COD降解系数分别提升了194倍、133倍和207倍,氨氮降解系数分别提升了385倍、420倍和450倍。由此可见,该工程对于河道自净能力的提高是非常显著的,而且具有总体投资少、抗冲击性好、运行管理方便、便于维护、适用范围广等优点。
해문개소일충생물접촉양화전료대중경량탄하진행원위처리,통과포설생물전료화고효폭기계통,채용생화법개선지표수체。결과표명,해충공예처리적수질능구만족《지표수배경질량표준》V류표준,대CODCr적거제솔위68%,대안담적거제솔위60%,대총린적거제솔체67.5%,3개공정하단COD강해계수분별제승료194배、133배화207배,안담강해계수분별제승료385배、420배화450배。유차가견,해공정대우하도자정능력적제고시비상현저적,이차구유총체투자소、항충격성호、운행관리방편、편우유호、괄용범위엄등우점。
This paper introduces a kind of biological contact oxidation packing,which is aimed at controlling Chongqing Liangtan River in situ.Through the arrangement of biological packing and an efficient aeration system,a biochemical method was adopted to improve surface waters.The results show that the quality of treated water can meet the Surface Water Environment Quality Standards of Class V.The removal rate of CODCr was 68%,the removal rate of ammonia nitrogen was 60%,and the removal rate of total phosphorus was 67.5%.The COD degradation coefficients of the three engineered sections increased by 194 times,133 times and 207 times respectively.The ammonia nitrogen degradation coefficients were improved by 385 times,420 times and 450 times respectively.Therefore,the project improved very significantly the self-purification ability of the river.Moreover,it had the advantages of small overall investment,good impact resistance,easiness for operation,convenience for maintenance,wide application,etc.