Improvement in surface water quality using geotextiles

使用土工织物改善地表水质量

• 批准号: 499791-2016
• 负责人: Mulligan, Catherine
• 金额: $ 3.64万
• 依托单位: Concordia University
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2018
• 资助国家: 加拿大
• 起止时间: 2018-01-01 至 2019-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=660411
• 关键词: Improvement; surface; water; quality; using

There exist few technologies worldwide for the treatment of large areas of polluted salt and fresh water. The approach under development in partnership with Titan Environmental Containment is for the treatment of surface water for the removal of nutrients such as phosphorus, cyanobacteria, algae and other components that cause undesirable characteristics such as colour or odor. The long-term objective is thus to develop as system for the restoration, management and control of water quality in situ. The short-term objectives are:**- To determine the parameters that influence the nutrient removal efficiency**- To determine the mechanisms of treatment**- To determine the factor for scale-up**- To investigate the relationship between sediment and water quality.**The project is scheduled for two years. The first years will involve sampling of water and sediment quality at two different lakes (Lac Caron and Lac Johanne) in the Sainte-Anne-des-Lacs region, of the Laurentians, Quebec. Geotextiles will be used as the filter materials based on laboratory and on-site testing. The testing at Lac Caron ( a lake with the lowest quality in the region where swimming is banned) will begin once the levels of phosphorus increase to above acceptable levels. A small unit will be placed in a isolated section in the lake to evaluate its ability to removed suspended solids, phosphorus, chlorophyll, bacteria and other parameters in the first and second years over various seasons. Water treatment efficiency and parameters for scale-up will be determined. At Lac Johanne, some preliminary tests will be done in the first year to determine the filter`s ability to remove organic matter that caused a brown colour. The second year will involve more extensive in situ testing. The sediment quality will also be monitored during the in situ tests as it will have an influence on the water quality. The protection and improvement of the water quality by nutrient reduction will improve the aesthetics of the water, health of the community and allow the water to be used for recreational purposes and increase property values. ****

全世界几乎没有处理大面积受污染的盐水和淡水的技术。正在与泰坦环境控制公司合作开发的方法是处理地表水，以去除磷、蓝细菌、藻类等营养物质和其他造成颜色或气味等不良特征的成分。 因此，长期的目标是发展一个系统，用于恢复、管理和控制现场的水质。短期目标是：**-确定影响营养物去除效率的参数 **-确定处理机制 **-确定扩大规模的因素 **-调查沉积物与水质之间的关系。该项目计划为期两年。头几年将在魁北克劳伦特地区的圣特-安妮-德-拉克斯地区的两个不同湖泊（卡隆湖和约翰湖）对水和沉积物质量进行取样。根据实验室和现场测试，土工织物将被用作过滤材料。 一旦磷的含量增加到可接受的水平以上，就将开始在卡隆湖（禁止游泳的地区质量最低的湖）进行测试。 一个小装置将被放置在湖中的一个孤立的部分，以评估其在第一年和第二年不同季节去除悬浮固体、磷、叶绿素、细菌和其他参数的能力。将确定水处理效率和扩大规模的参数。在Lac Johanne，第一年将进行一些初步测试，以确定过滤器去除导致棕色的有机物的能力。第二年将进行更广泛的现场测试。由于沉积物的质素会影响水质，故在实地测试期间亦会监察沉积物的质素。通过减少营养物来保护和改善水质，将改善水的美观和社区的健康，并使水用于娱乐目的和增加财产价值。 ****