Reconstruction of high-concentration acid cleaning wastewater treatment project for steel factories
Remote Sensing, Environment and Transportation Engineering（2011）
Abstract
In order to reduce the operational cost and completely eliminate Fe2+ ion in the original acid-cleaning fluid for the wastewater treatment process of steel factories, a modified process of two-stage counteract/aeration oxidation is applied. Our results indicate that the effluent quality is better to the first class criteria specified in Integrated Wastewater Discharge Standard (GB 8978-1996). Furthermore, all of the effluent can be used as ground washing water.
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Key words
aeration oxidation,high-concentration acid cleaning,wastewater treatment,wastewater discharge standard,technological reconstruction,steel industry,effluent,acid cleaning waste water,effluents,steel factories,wastewater,iron,pharmaceuticals,waste water
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