Experimental study on photocatalytic degradation of water-based ink wastewater by sunlight

doi:10.11894/iwt.2018-0906

Abstract

Abstract:

The pigment blue 1 solution was used as the simulated aqueous ink wastewater. The effects of the substrate materials, initial concentration of water-based ink wastewater and light intensity on the photocatalytic oxidation were studied under sunlight. The results show that the photocatalytic degradation of aluminum plate as substrate is stronger than other plates. When the concentration of the wastewater is 75 mg/L and the light intensity is 65.32 W/m², the highest removal rate of pollutants in the wastewater can reach 98%. When the concentration of wastewater is 150 mg/L and the light intensity is 39.16 W/m², the maximum removal of pollutants in the wastewater is 360.7 mg/L. The photocatalytic reaction system of sunlight is greatly affected by the fluctuation of illumination. The stronger the illumination intensity is, the more significant the degradation effect of aqueous ink wastewater is.

Key words: solar photocatalytic oxidation, aqueous ink wastewater, light intensity, base material

摘要：

采用颜料蓝1为原料配制模拟水性油墨废水，在太阳光下对基底材料、水性油墨颜料初始浓度、光照强度进行光催化氧化影响作用的研究。结果表明：铝板作为基底的光催化降解效果强于其他板材；颜料蓝1质量浓度为75 mg/L、光强为65.32 W/m²时，水中污染物最高去除率可达98%；质量浓度为150 mg/L、光强为39.16 W/m²时，水中污染物最大去除量为360.7 mg/L；太阳光光催化反应体系受光照波动性影响较大，其中光照强度越强则水性油墨废水降解效果越显著。

关键词: 太阳光光催化氧化, 水性油墨废水, 光照强度, 基底材料

CLC Number:

X703

Jie Wei,Shuxin Liu,Jiawang Deng,Yuting Jiang. Experimental study on photocatalytic degradation of water-based ink wastewater by sunlight[J]. Industrial Water Treatment, 2019, 39(11): 26-30.

魏婕,刘树鑫,邓家旺,蒋毓婷. 太阳光光催化降解水性油墨废水的实验研究[J]. 工业水处理, 2019, 39(11): 26-30.

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URL: https://www.iwt.cn/EN/10.11894/iwt.2018-0906

https://www.iwt.cn/EN/Y2019/V39/I11/26

Figures/Tables 4

References 27

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