Invention Application
US20100089740A1 METHOD AND SYSTEMS FOR PROCESSING WASTE WATER USING ZERO PROCESS WATER DISCHARGE 审中-公开
使用零过程水排放处理废水的方法和系统

METHOD AND SYSTEMS FOR PROCESSING WASTE WATER USING ZERO PROCESS WATER DISCHARGE
Abstract:
A method for processing wastewater is provided. The method includes pretreating a flow of the wastewater using at least one of a softening/clarification system, a sludge handling system, a filtration system, and an ammonia stripping system, evaporating the pretreated flow to produce at least a distillate and an evaporator brine; separating the evaporator brine to produce a liquid recycle stream and salt crystal mixture; and channeling the liquid recycle stream to a feed stream. The method eliminates the salt drying process that significantly reduces the costs of construction and operation of the standard zero process water discharge process.
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