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[1]权攀,陆曦,党孟辉,等.褐煤气化废水的物化预处理[J].南京工业大学学报(自然科学版),2015,37(04):129-133.[doi:10.3969/j.issn.1671-7627.2015.04.023]
 QUAN Pan,LU Xi,DANG Menghui,et al.Physical and chemical pretreatment of lignite gasification wastewater[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2015,37(04):129-133.[doi:10.3969/j.issn.1671-7627.2015.04.023]
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褐煤气化废水的物化预处理()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
37
期数:
2015年04期
页码:
129-133
栏目:
出版日期:
2015-07-09

文章信息/Info

Title:
Physical and chemical pretreatment of lignite gasification wastewater
文章编号:
1671-7627(2015)04-0129-05
作者:
权攀陆曦党孟辉徐炎华
南京工业大学 环境学院 江苏省工业节水减排重点实验室,江苏 南京 210009
Author(s):
QUAN PanLU XiDANG MenghuiXU Yanhua
Jiangsu Key Laboratory of Industrial Water-Conservation & Emission Reduction, College of Environment,Nanjing Tech University,Nanjing 210009,China
关键词:
煤制气 褐煤提质 褐煤气化 臭氧氧化
Keywords:
coal gasification quality advancement of lignite lignite gasification ozonation
分类号:
X703
DOI:
10.3969/j.issn.1671-7627.2015.04.023
文献标志码:
A
摘要:
采用臭氧氧化方法对隔油后的褐煤气化废水进行预处理,实验从臭氧投加速率、pH、反应温度、反应时间等方面对反应条件进行探索,得到最佳反应条件:初始pH≈3,投加速率10 mg/(L·min),反应温度约40 ℃,反应时间180 min。在最佳条件下,化学需氧量(CODCr)去除率可达30%以上,挥发酚去除率可达95%以上,反应后生物需氧量(BOD5)与CODCr比值可达0.5以上。分析最佳条件下出水气相色谱-质谱,发现臭氧对于水中大部分的酚类、石油类、芳环类物质降解率均在90%以上。
Abstract:
The oxidation reaction with ozone for lignite gasification wastewater was investigated in batch reactors.The influencing factors of ozone doisng rate, pH,temperature and reaction time were investigated.The optimal reaction conditions were:initial pH≈3,ozone doisng rate of 10 mg/(L·min),temperature of about 40 ℃ and reaction time of 180 min.Results indicated that removal of chemical oxygen demand(CODCr)and volatile phenols could be reached 30% and 95%.The biochemical oxygen demand(BOD5)/CODCr could get up to 0.5.The gas chromatography-mass spectrometry(GC-MS)analysis showed that ozone could remove more than 90% of phenols,petroleum,aromatic substances in lignite gasification wastewater.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-04-09
作者简介:权攀(1989—),女,河南洛阳人,硕士,主要研究方向为工业废水处理; 徐炎华(联系人),教授,E-mail:yanhuaxu18@hotmail.com.
引用本文:权攀,陆曦,党孟辉,等.褐煤气化废水的物化预处理[J].南京工业大学学报:自然科学版,2015,37(4):129-133..
更新日期/Last Update: 2015-07-08