微纳米气泡处理油墨废水的试验研究
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摘要
采用微纳气浮技术对颜料蓝1为原料配制的模拟水性油墨废水进行试验研究,考察了微纳米气泡的停留时间和处理效果。结果表明:微纳米气泡的平均停留时间208 s,其对各项污染物的去除效果优于普通溶气气泡曝气。在相同试验条件下,微纳米气泡对油墨和COD的去除率分别为12. 5%和53. 3%,均为普通溶气气泡的5倍;氨氮去除率为12. 7%,为普通溶气气泡的3倍。
The simulated water-based ink wastewater prepared from pigment blue 1 was tested by micro-nano air flotation technology. The retention time and treatment effect of micro-nano bubbles were investigated. The results showed that the average retention time of micro-nano bubbles was 208 s,and micro-nano bubble aeration had better removal effect on contaminants compared with common dissolved bubbles. Under the same experimental conditions,the removal rates of ink and COD by micro-nano bubbles were 12. 5% and 53. 3% respectively,which were five times as much as that of ordinary dissolved bubbles. The removal rate of ammonia nitrogen was 12. 7% and three times as much as that of ordinary dissolved bubbles.
The simulated water-based ink wastewater prepared from pigment blue 1 was tested by micro-nano air flotation technology. The retention time and treatment effect of micro-nano bubbles were investigated. The results showed that the average retention time of micro-nano bubbles was 208 s,and micro-nano bubble aeration had better removal effect on contaminants compared with common dissolved bubbles. Under the same experimental conditions,the removal rates of ink and COD by micro-nano bubbles were 12. 5% and 53. 3% respectively,which were five times as much as that of ordinary dissolved bubbles. The removal rate of ammonia nitrogen was 12. 7% and three times as much as that of ordinary dissolved bubbles.
引文
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[2]孙永泰.环保型水性油墨的研究与市场展望[J].中国包装,2008,39(3):60-61.
[3]廖绍华.水性油墨废水处理技术的研究[D].杨凌:西北农林科技大学,2008.
[4] Klancnik M. Coagulation and adsorption treatment of printing ink wastewater[J]. Acta Graphica Journal for Printing Science&Graphic Communications,2015,25(3-4):6-8.
[5] Klancnik M, Kotnik K. Biologically degradable adsorbents in treatment of coloured[J]. Wastewater Tekstilec,2018,61(1):54-64.
[6] Parker J L,Claesson P M,Attard P. Bubbles,cavities,and the long-ranged attraction between hydrophobic surfaces[J]. Journal of Physical Chemistry,1994,98(34):8468-8480.
[7] Liu S. Effect of micro-bubbles on coagulation flotation process of dyeing wastewater[J]. Separation Purification Tech,2010,71(3):337-346.
[8]陆晖,胡湛波,蒋哲,等.微纳米曝气技术对城市景观水体修复的影响[J].环境工程学报,2016,10(4):1755-1760.
[9]吕宙,从善畅,程婷,等.微纳米气泡曝气技术在生活污水处理中的应用研究[J].广州化工,2014,42(7):122-124,168.