WOSC组合技术在河涌污染水体治理中的应用研究

发布时间：2018-08-17 13:22

【摘要】：随着珠三角经济飞速发展、工业化进程不断的加快、以及人口快速的增长,水环境污染问题已经成为我省面临的重大问题之一。大量的生活、生产废水以及垃圾不经处理直接进入河道,造成水体严重污染,致使水体发黑发臭、富营养化,在造成生态破坏的同时,严重影响居民的生活及身心健康。因此,对河涌污染水体治理技术的研究迫在眉睫,也有重要意义。本研究采用以投加IBC微生物制剂为主,辅以截污(政府另安排)、格栅物理处理、人工复氧、放养水生动植物,构建恢复生态平衡系统的WOSC组合生物修复技术,其不仅有削底泥作用还可以降解污染物,使污染水体得到净化。利用九村涌污染水体进行小试,考察了IBC微生物制剂对河涌污染水体治理效果,探讨其强化机理,并在九村涌污染水体生态修复工程进行了验证,具体内容及结论如下:(1)IBC微生物制剂应用于九村涌污染水体进行小试,结果表明,投加IBC微生物制剂,可以有效去除水体有机污染物,效果显著,COD、NH3-N、TP最高去除率分别为62%、78%及75%。同时微生物的活性也有很大的增长,显著提高原土著微生物活性。(2)WOSC组合生态修复技术应用于佛山市南海大沥镇九村涌的工程验证,在实际河涌修复项目中,取到比较好的治理效果。本文选取COD、NH3-N、BOD及TP作为污染水体主要指标。前期经过6个月运行后,水体DO维持在3 mg·L-1左右COD、NH3-N、TP、BOD的平均降解率为47.1%、54.30%、38.1%和58.4%,河涌黑臭基本消除,水体得到净化。后期经过三个月运行,污染水体主要指标变化稳定,基本维持在Ⅴ类地表水水质标准以上。(3)WOSC组合生态修复技术在九村涌污染水体治理工程中验证表明,其对河涌的黑臭有很好的治理效果,而且节省投资,影响因素小,在目前严峻的水污染环境下,该技术在河涌、湖泊等污染水体治理有很好的市场前景。
[Abstract]:With the rapid development of economy in the Pearl River Delta, the accelerating process of industrialization and the rapid growth of population, the problem of water environment pollution has become one of the major problems facing our province. A large number of life, production wastewater and garbage directly into the river without treatment, resulting in serious water pollution, resulting in water blackness and odor, eutrophication, while causing ecological damage, serious impact on the lives of residents and physical and mental health. Therefore, the study of water pollution treatment technology is urgent and significant. In this study, WOSC combined bioremediation technology was established by adding IBC microbial agents, supplemented by sewage interception (arranged by the government), grid physical treatment, artificial reoxygenation, stocking aquatic plants and animals, and restoring ecological balance system. It can not only degrade pollutants, but also purify polluted water. In this paper, the effect of IBC microorganism preparation on the treatment of polluted river water was investigated, and its strengthening mechanism was discussed. The results were verified in the ecological restoration project of Jiucun polluted water body. The specific contents and conclusions are as follows: (1) IBC microbiological preparation was applied to Jiucun polluted water for a small scale trial. The results showed that adding IBC microbial preparation could effectively remove organic pollutants in water, and the highest removal rates of COD NH 3-NN + TP were 622 78% and 75% respectively. At the same time, the activity of microorganism has also been greatly increased. (2) WOSC combined ecological restoration technology has been applied to the engineering verification of Jiucun, Dali Town, Foshan City, and has been applied in the actual river restoration project. Take a better governance effect. In this paper, NH3-Nbod and TP were selected as the main indexes of polluted water. After 6 months of operation, the average degradation rate of do in water was 47.1% and 58.4%, respectively, which was maintained at 3 mg L ~ (-1), and the water was purified. After three months of operation, the main indexes of polluted water changed steadily and remained above the water quality standard of Class 鈪，

本文编号：2187764