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Demulsification 1

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Polybutadiene latex wastewater 1

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activated sludge 1

complex strata pressure 1

diffuse reflection 1

extracellular polymeric substances (EPS) 1

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Broadening of appropriate demulsifier dosage range for latex-containing wastewater by sulfate addition

Shengzhi Zheng, Yudong Song, Yiming Li, Lidong Sun, Bin Hu, Mingdong An, Yuexi Zhou

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1041-z

Abstract:

The effect of latex concentration on appropriate demulsifier dosagelistitem>

Sulfate could broaden appropriate demulsifier dosage range and improve latex

Keywords： Demulsification Polybutadiene latex wastewater Polyaluminum chloride Zeta potential Sulfate addition

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A new polystyrene-latex-based and EPS-containing synthetic sludge

Ling-Ling Wang, Shan Chen, Hai-Ting Zheng, Guo-Qing Sheng, Zhi-Jun Wang, Wen-Wei Li, Han-Qing Yu

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1, Pages 131-139 doi: 10.1007/s11783-011-0390-7

Abstract: In this work, a high-strength synthetic sludge was prepared with functional polystyrene latex particlesCompared with other three functional polystyrene latex microspheres, the synthetic sludge prepared withEPS-modified polystyrene latex microspheres showed good settling characteristics and a significantly

Keywords： activated sludge extracellular polymeric substances (EPS) flocculation polystyrene latex particles synthetic

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Photocatalytic activity of ZnO films with micro-grid structure

Chunzhi LI , Wenwen WANG , Junying ZHANG , Hailing ZHU , Weiwei ZHANG , Tianmin WANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3, Pages 289-293 doi: 10.1007/s11783-009-0034-3

Abstract: A layer of zinc oxide (ZnO) micro-grid was deposited on the surface of ZnO film using the DC reactive magnetron sputtering method and the micro-sphere lithography technique on glass substrates. Samples of this layer were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and ultraviolet-visible light spectroscopy. X-ray diffraction showed the high crystallinity of ZnO film and the regular arrangement of the micro-grid. The micro-grid ZnO has a lower specular reflection and a higher diffuse reflection, allowing incident light to reflect two or three times to enhance the usage of light. Photocatalytic degradation experiments on methylene blue using both ZnO micro-grid and ordinary film showed that the ZnO micro-grid has better photocatalytic properties than ordinary film. The ZnO micro-grid enhanced the photocatalytic efficiency of ZnO film by 28% with a degradation time of 300min.

Keywords： Photocatalysis ZnO micro-grid polystyrene latex spheres template diffuse reflection