In one study, the reverse osmosis process removed only 10% of the total boron in a wastewater . 在某一研究中，反渗透法只除去废水中总硼量的10。
Equalization involves mixing wastewater streams of acidic and alkaline nature in an equalization basin . 均衡即是在均衡池中将酸性和碱性废水混和。
There is only, at best, random monitoring of wastewater effluent by the pollution control agency . 污染控制机关充其量只是偶尔检查工厂的排水情况。
For many years chlorine has been the major disinfectant used in water and wastewater treatment plants . 氯作为水和废水处理厂的主要消毒剂已有许多年。
Any turbidity in the drinking water is automatically associated with possible wastewater pollution . 饮水中的任何浊度都被自然地联想到可能是废水污染。
The degree of treatment required for a wastewater depends mainly on discharge requirements for the effluent . 废水要求的处理程度主要取决于出水排放的要求。
Federal and state regulations require higher treatment levels than in the past for municipal wastewaters . 联邦和州的法规要求比过去对城市污水的处理有更高的水平。
Using a heat exchanger conserves the resource, minimizes corrosion, and skirts the problem, of wastewater disposal . 采用热交换器可保护资源，减少腐蚀，并可避免废水处理问题。
The agency will require the right to spread surface water, including reclaimed wastewater for ground water recharge . 为了地下水人工补给，该机构需有引渗地表水（包括已回收的废水）之权。
Copper was reduced from 20 mg/l to below detectable limits by sulfide precipitation from a gold-ore extraction wastewater . 用硫化物沉淀法可将金矿抽提废水中的铜含量从20毫克升降到可检测标准以下。
