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Decolorization of pharmaceutical wastewater fermentation

Author: ZhouJun
Tutor: HuXiaoBing
School: Anhui University of
Course: Municipal Engineering
Keywords: Fermentation pharmaceutical wastewater Fermentation waste Secondary biochemical effluent Bleaching Three-dimensional electrolysis
CLC: X787
Type: Master's thesis
Year: 2011
Downloads: 127
Quote: 0
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Abstract


Fermentative pharmaceutical wastewater with complex composition, color depth, etc., is a high concentration organic wastewater discharge will not cause a serious threat to the whole ecological environment. To promote the coordinated development of economy and the environment, the ministry developed specifically for the pharmaceutical industry, fermentation effluent standards \more stringent, while the traditional biological wastewater treatment process is not well adapted to deal with the requirements of fermentative pharmaceutical wastewater, effluent color superscalar not meet emission standards, water quality testing and chroma as in a conventional indicators, often represents water containing specific pollutants, the color of the water is high not only gives rise to unpleasant emotions, do not discharge more serious consequences on the ecological environment, which is a higher treatment process requirements. This topic is based pharmaceutical wastewater effluent and two biochemical fermentation effluent as the research object, wastewater hair color made a preliminary analysis of the mechanism and the mechanism based on their hair color and water quality characteristics of a series of pilot study using Fenton , micro-electrolysis, the three dimensional electrolysis process method with two biochemical fermentation waste water processing, systematic study of the factors on which the fermentation pharmaceutical wastewater treatment effect. The main conclusions are as follows: 1) Through the separation and purification of fermentation waste water samples analyzed by GC-MS technique, and with the related Maillard reaction products synthesized by GC-MS analysis results for comparison, is a major discovery carbonyl chromophore . 2) by two biochemical effluent water electrolysis do infrared and ultraviolet analysis, found in treated wastewater electrolysis-C = O and-OH significantly reduced the number, and further demonstrates the carbonyl group is a major pharmaceutical wastewater fermentation chromophore, Auxochrome may be a hydroxyl group. 3) systematically studied Fenton, electrolysis, electrolytic Three methods for three-dimensional secondary biological effluent treatment effect of the depth of the effluent COD were 11.4,28.3,14.1 mg / L, chroma are 20 times, have reached \Look from the treatment effect: three-dimensional electrolysis gt; Fenton gt; micro-electrolysis. Electrolysis is more appropriate three-dimensional depth of secondary biochemical effluent treatment. 4) study showed that: micro-electrolysis is not suitable for handling waste fermentation studied Fenton, three-dimensional electrolytic pretreatment effect on the fermentation liquid waste, effluent COD and color removal rates reached 91.1%, 83.7% and 65%, 95 percent, from the treatment effect see: Three-dimensional electrolysis gt; Fenton. Electrolysis is more suitable for three-dimensional fermentation effluent bleaching treatment.

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > Chemical industry,waste disposal and comprehensive utilization > Pharmaceutical industry
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