Concentrated ammonia rectification apparatus for treating titanium dioxide industrial wastewater
A technology for industrial wastewater and concentrated ammonia, applied in the direction of heating water/sewage treatment, etc., can solve the problems of low conversion efficiency of free ammonia nitrogen, inability to achieve degradation effect, high operating costs, etc., achieve small footprint, low treatment cost, and realize separation effect
Inactive Publication Date: 2015-08-26
JIANGSU XIAHANG ENVIRONMENTAL ENG
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The present invention relates to a concentrated ammonia rectification apparatus for treating titanium dioxide industrial wastewater. The concentrated ammonia rectification apparatus comprises a pre-heater and a steam stripping deamination tower, wherein the steam stripping deamination tower comprises a tower kettle, the tower kettle is sequentially divided into a rectification section, a wastewater feeding section, a stripping separation section and a residual liquid separation section from top to bottom, turbogrid type trays are arranged in the tower kettle, the turbogrid type tray is provided with a plate type gas separation membrane, the bottom portion of the tower kettle is provided with a wastewater outlet, and a high temperature steam inlet is arranged on the side surface below the outer portion of the tower kettle. The apparatus of the present invention has characteristics of low cost, high ammonia nitrogen conversion efficiency, and no secondary pollution of the treated wastewater.
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