Practical dissolved-air flotation experience

被引：5

作者：

Ulrich, Dieter ^{[1
]}

Weissenberg, Heinz-Guenter

Neumann, Stefan

机构：

[1] Bayer Technol Serv GmbH, Solid Liquid Seperat & Waste Wate Technol, D-51368 Munich, Germany

[2] Bayer Technol Serv GmbH, Flotat & Waste Water Technol, D-51368 Munich, Germany

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2007年 / 30卷 / 02期

关键词：

BayFlotech; Bayer technology services; BTS; dissolved-air flotation; DAF; dissolver; phasemixer; air dissolving; deinking; solid-liquid-separation;

D O I：

10.1504/IJEP.2007.014703

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this report the performance of the Bayer Flotation Technology BayFlotech((R)) is demonstrated by comparing process data with figures published by the German Deutsche Vereinigung fur Wasserwirtschaft, Abwasser und Abfall e.V. (ATV) and Verband Deutscher Maschinen u. Anlagenbau e.V. (VDMA) associations. In addition experience gained under plant operation is described. Inter alia the relation between the air/solid dosage rate and the specific solids loading is discovered. It was found that the specific air dosage can be decreased with increasing solids loading rates: whereas the specific air dosage is up to 35 1/kg TSS at solids loading < 5 kg/(m(2)h) it can be < 4 1/kg TSS at solids loading rates > 20 kg/(m(2)/h), the solids removal rate being kept equal (> 95%) for every compared situation. Finally we report on the newly developed 'phasemixer', which allows high water saturation rates (> 95%) and preventing lather.

引用

页码：254 / 272

页数：19