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Studies on Reactive Red X-3B Wastewater Treatment by Microwave Ultraviolet in Pilot Scale

Author: PeiHua
Tutor: ZhangBeiPing；ZengQingFu
School: Huazhong University of Science and Technology
Course: Municipal Engineering
Keywords: Microwave electrodeless UV reactor Pilot Reactive brilliant red X-3B Ozone
CLC: X788
Type: Master's thesis
Year: 2005
Downloads: 221
Quote: 2
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Abstract


Light source selection based on the photochemical reactions of small laboratory test results, Promise lighting source photochemical reactor treating reactive brilliant red X-3B dye wastewater pilot study. In pilot trials, designed with different specifications, different parameters Electrodeless UV light and several different models and constructed reactor to carry out the following three aspects of the trial study. 1. The electrodeless ultraviolet chemical reactor several parameters preferably applied to the photochemical reaction of the electrodeless lamp, trial of microwave power on a pilot scale, the number of the lamp, the lamp arrangement, the pressure on the lamp filler treatment effect impact. The results show that: (1) for the photochemical reactor electrodeless lamp suitable length less than 600mm; (2) Microwave the higher the power, the greater the intensity of the lamp radiation ultraviolet; (3) the arrangement of the lights directly affect the treatment effect Promise lights should be concentrated in the bottom of the microwave generator arranged; (4) low pressure electrodeless lamp is better than pressure electrodeless lamp, when the active red X-3B dye wastewater concentration of 0.1g / L, reaction time was 3.5h, the former decolorization rate is 1.6 times that of the latter. 2. Several factors impact Electrodeless UV lamp ozone production is equipped with four (?) 2.0 mm L600mm Promise lanterns oxygen and air source to produce ozone test measures ability to get: When ventilation 50L / h When the ozone generated by the oxygen source is air source generating ozone 4.6 times; the aeration amount 300L / h, and the ozone generated by the oxygen source is air source generating ozone 5.4 times. The tests showed that, within a certain range, the greater the flow of the gas source, the quality of the generated ozone is increased, the ozone concentration but decreased. TiO 2 and three oxidant electrodeless ultraviolet processing reactive brilliant red X-3B dye wastewater processing 0.1g / L test reactive red X-3B simulated dye wastewater, discussion catalyst TiO 2 and three oxidant treatment effect. When the reaction 3.5h MW / UV decolorization rate of 38.5%, 4g / L TiO 2 MW / UV decolorization rate of 55.83%. MW / UV decoloration rate of 19.08% for 1.5h the separate H 2 O 2 of (1mL /), and H 2 O 2 (1 mL / L) MW / UV treatment decolorization rate of 19.87% and 44.01%, respectively; the Dosing 7.5g / h O 3 , and the reaction time 0.5 h decolorization rate of 62.88%, the separate MW / UV and separate O3 decolorization rate were 4.39% and 43.28%. H 2 O 2 MW / UV no synergy synergy exists only ozone electrodeless lamp.

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