Wastewater treatment plants hold back 83 to 99 percent of them.
废水处理厂截留了其中的83%到99%。
It also has apparent flocculation effect in other direct dye wastewater treatment.
该产品对其它直接染料废水也有明显的絮凝效果。
The application of nitrification accelerator HB - 1 in wastewater treatment plant was introduced.
介绍了硝化促进剂hb-1在污水处理装置中的应用情况。
This paper introduces the workflow of the wastewater treatment, water reclamation and steam reclamation.
介绍了废水处理、水回用及蒸汽回收的流程。
In response, IBRD is preparing a programmatic lending facility centered on sewerage and wastewater treatment.
作为回应，国际复兴开发银行正在制定一项以污水系统和污水处理为核心内容的规划贷款机制。
That's an important thing to do because there are about 6,000 municipal wastewater treatment ponds in the U.S..
他说，“这很重要，因为在美国，大约有6000多个城市污水处理厂。”
When power shortages stop pumping stations, both freshwater supply and wastewater treatment are threatened.
由于电力短缺，抽水站工作无法进行，淡水供应和废水处理均受到了威胁。
The devices are placed in existing wastewater treatment lagoons that need to meet stricter environmental standards.
现有污水处理池需要符合严格的环境标准，该设备则被放置于其中。
but you can apprentice in a wide range of jobs, from accounts-payable clerk to wastewater treatment plant operator.
通过学徒入门的最出名的职业就是电工和水管工了，但是，很多工作都可以从一个学徒开始，比如从会记到污水处理厂厂长等。
Neither did his applications for money to pay for more police officers, or for the city's wastewater treatment plant.
他也没能申请到款项，支付给更多警官薪水，也没有能支付给这个城市的污水处理厂。
The modified bentonite has better qualities and ability of wastewater treatment, thus enlarge its applying scope.
改性膨润土具有吸附脱色性能优良、废水处理效果好等特点，从而扩大了其应用范围。
Through efficient water management, the building decreases the energy requirements of wastewater treatment plants.
通过有效的水资源管理，大楼减少了污水处理厂的能源需求。
Wastewater treatment plants concentrate large quantities of phosphorus and ammonia in their sludge-handling streams.
一般在污水处理厂的污泥中会富集大量的磷和氨。
Natural wastewater treatment systems, he says, are more than 20 times more cost effective than man-made alternatives.
他说，废水自然处理系统的费效比也比人工废水处理高20多倍。
Strictly control the wastewater treatment plan site to ensure the short-term and long-term construction site for the plan.
对拟定的污水处理厂厂址范围进行严格控制，确保污水处理厂近、远期建设用地。
Because the system would not produce other waste products, they also hope it could improve wastewater treatment in the developed world.
因为这个系统不会生产出其他的废弃物，他们也希望这个系统能够改进发达国家的污水处理。
The process also produces excess methane, and the researchers say that gas can be used to power wastewater treatment plants of the future.
这一过程也会产生大量沼气。研究人员说，沼气将来可用作废水处理工厂动力。
In this paper, a fuzzy controller of two inputs and one output is designed to meet the COD online controlling of wastewater treatment.
模糊控制的实现主要在于模糊控制器的设计，本文设计了一个两输入单输出的模糊控制器来达到污水处理中COD的在线控制。
The paper also analyses the bubble and crystal and dirt-forming during the wastewater treatment and debugging process and puts forward solutions.
针对该污水处理调试运行中常出现的泡沫问题，结晶结垢现象等也进行了研究，提出了相应解决方法。
The pollutants derive from a wealth of sources, including agriculture, factory discharges, consumer products, urban runoff and wastewater treatment plants.
污染物质的来源广泛，包括农业、工厂排放物、消费产品、城市河道和污水处理工厂。
According to the results in the thesis, an industrial process of wastewater treatment and APFO recovery was proposed. The main facilities are designed.
按照本研究的结果，作者对废水处理和全氟辛酸回收的工艺流程进行设计，对主要设备进行设计，结果可运用于工业实际。
New igloo-shaped devices, affectionately known as Poo-Gloos, are offering an affordable way for small communities to upgrade their wastewater treatment systems.
对于打算升级污水处理系统的小型社区来说，Poo - Gloos这种新型的爱斯基摩式圆顶型污水净化设备为其提供了一种更为低廉的选择。
Simultaneously, because the expenditure of capital construction and runing is costly, a lot of wastewater treatment processes are difficult to be used abroad.
同时废水处理工艺基建费用高，运行费用大而使得很多废水处理技术难以得到推广。
Some drugs, including widely used cholesterol fighters, tranquilizers and anti-epileptic medications, resist modern drinking water and wastewater treatment processes.
包括广泛采用抗高胆固醇、镇定剂和抗癫痫在内的一些药物会抵制现代饮用水及废水处理工艺。
In recent years, the magnetic carrier method has been widely applied in biology cell separation, wastewater treatment, coal desulfurization and mineral exploitation [4, 5].
近年来，磁载体法已经在生物细胞分离，废水处理，燃煤脱硫和矿物加工等过程中得到广泛地应用[4,5]。
Alternatively, if reclaimed water is intended for environmental purposes, these nutrients maybe recovered during wastewater treatment and subsequently sold for other USES.
另外，如果填海水是拟用于环境目的，这些营养物质可能在废水处理中回收过来，并随后出售作其他用途。
This article accords to practical dewatering situations of sludge in JiangXingZhong wastewater treatment plant, optimum dosage consumption is acquired through experiments.
结合江心洲污水处理厂污泥脱水的实际，通过实验得出了絮凝剂的最佳投药量。
This article accords to practical dewatering situations of sludge in JiangXingZhong wastewater treatment plant, optimum dosage consumption is acquired through experiments.
结合江心洲污水处理厂污泥脱水的实际，通过实验得出了絮凝剂的最佳投药量。
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