| 用无机陶瓷膜预处理生产精对苯二甲酸过程中废水的研究 |
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| 引用本文： | 周立进,尚合顺,管国锋.用无机陶瓷膜预处理生产精对苯二甲酸过程中废水的研究[J].石油化工,2004,33(6):568-571. |
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| 作者姓名： | 周立进 尚合顺 管国锋 |
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| 作者单位： | 1. 南京工业大学,化学化工学院,江苏,南京,210009;扬子石油化工股份有限公司,江苏,南京,210048
2. 南京工业大学,化学化工学院,江苏,南京,210009 |
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| 摘 要： | 采用无机陶瓷膜对精对苯二甲酸生产过程的废水进行预处理,回收精对苯二甲酸以降低废水的处理难度。实验考察了膜孔径、压力、流速、温度和反冲条件等无机陶瓷膜处理废水的影响因素,确定了工艺参数:膜孔径200nm,操作压力为0.30MPa,膜面流速3.0~4.0m/s,操作温度20~80℃,反冲时间1s,反冲周期40min,反冲压力0.40MPa。经过处理的废水基本上不含精对苯二甲酸固体颗粒。
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| 关 键 词： | 陶瓷膜 对苯二甲酸 对苯二甲酸精制 废水处理 过滤 |
| 文章编号： | 1000-8144(2004)06-0568-04 |
| 修稿时间： | 2003年12月31 |
Study on PTA Wastewater Pretreatment by Inorganic Ceramic Membrane |
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| Zhou Lijin,Shang Heshun,Guan Guofeng.Study on PTA Wastewater Pretreatment by Inorganic Ceramic Membrane[J].Petrochemical Technology,2004,33(6):568-571. |
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| Authors: | Zhou Lijin Shang Heshun Guan Guofeng |
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| Abstract: | Inorganic ceramic membrane was used to pretreat the wastewater from terephthalic acid (PTA) production to remove solid granules and recover PTA. Influence factors, such as membrane pore size, transpressure, cross velocity, temperature and backflushing conditions were investigated. Preferred process parameters were: member pore size 200 nm, transpressure 0.30 MPa, cross velocity 3.0-4.0 m/s, operation temperature 20-80 ℃, backflushing duration 1 s, backflushing interval 40 min and backflushing pressure 0 .40 MPa. Basically no PTA solid granules in water could be detected after pretreatment. |
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| Keywords: | ceramic membrane terephthalic acid refining PTA wastewater treatment filtration |
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