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Algae and Associated Toxins and Metabolites: Methodology for Risk Assessment and Risk Management 藻类及相关毒素和代谢物:风险评估和风险管理方法
发布日期: 2007-06-01
本研究的目的是建立一个预测、量化和克服风险的操作策略 这个问题与处理地表水的各种水处理厂的藻类和代谢物有关。 这项工作的成果包括: 控制和减少藻类生长问题的操作策略; 优化和升级处理技术以去除藻类和相关污染物的建议 微污染物;和 提高客户满意度(味道和气味)。 该方法是作为该项目的一部分开发的,是通过不同的案例研究来实施的 法国、英国和美国的资源和相关水处理厂。 美国的一项调查结果 介绍了在法国30多个生产现场进行的演出。全球经济的各个方面 方法,考虑的不同行动如下: 了解集水区/资源中出现的现象,包括土地利用评估, 确定污染源并采取措施,如减少营养素(N,P), 土地/水界面缓冲区的开发、曝气和磷隔离; 实施采样站和监测计划,以制定特定现场 短期藻类控制方法和决策制定- 制作流程图 程序中,对一些新兴传感器(荧光探针)进行了评估,以在线监测 藻类、叶绿素a和蓝藻;和 评估现有的最佳除藻技术及其对环境的效率 去除相关的微量污染物(藻类毒素、土工蛋白和MIB)。包括24个参考文献、表格和图表。
The objective of this study was to establish an operational strategy to predict, quantify and overcome the problem related to algae and metabolites on various water treatment plants treating surface waters. The outcomes of this work included: an operational strategy to control and minimize algae growth problem; recommendations to optimize and upgrade treatment technologies to remove algae and associated micro-pollutants; and, improvements in customer satisfaction (taste and odor). The approach, developed as part of this project, was implemented through different case studies on resources and associated water treatment works in France, the United Kingdom, and the U.S. Results from a survey performed in France on more than 30 production sites are presented. For each aspect of the global methodology, the different actions considered were as follows: understanding of the phenomena occurring in the catchments/resource including land use assessment, identification of sources of pollution and set-up of actions such as reduction of nutrient (N,P), development of buffering zones in land/water interfaces, aeration, and phosphorous sequestering; implementation of sampling stations and monitoring programs to develop site-specific methodologies for short term algae control and elaboration of a decision-making flow chart procedure, some emerging sensors (fluoroprobes) were assessed for the on-line monitoring of algae, chlorophyll a and cyanobacteria; and, assessment of the Best Available Technologies for Algae removal and their efficiencies for removal of the micro-pollutants associated (algal toxins, Geosmin and MIB). Includes 24 references, tables, figures.
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发布单位或类别: 美国-美国给水工程协会
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