Flotation pre-treatment of meat processing wastewater in a mobile test set-up

被引：0
|
作者：
Zak, Slawomir [1 ]
机构：
[1] Politech Bydgoska Im Jana & Jedrzeja Sniadeckich, Wydzial Technol & Inzynierii Chem, Ul Seminaryjna 3, PL-85326 Bydgoszcz, Poland
来源：
PRZEMYSL CHEMICZNY | 2023年 / 102卷 / 12期
关键词：
meat processing plant wastewater; wastewater pre-treatment; calcium peroxide; flotation; mobile test setup; HYDROGEN-PEROXIDE; INTERFERENCE;
D O I：
10.15199/62.2023.12.14
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Post-prodn. wastewater from a pork processing plant was pre-treated in an exptl. flow installation with a capacity of 1.0 m(3)/h, at temp. of 20 +/- 3 degrees C, using 3 flotation methods: a) induced air (IAF), b) according to the own invention with the support of 30% H2O2 or with the addnl. use of c) lime milk based on Ca(OH)(2) or CaO2. The most effective method was the H2O2-assisted method using Ca(OH)(2), which allowed to obtain a clear outflow and levels of pollutant elimination according to the indicator values: Et2O extract and total suspended solids > 99%, BOD 5 > 40%, COD > 55%, total P > 85%, N Kjh > 35% and total Cl > 90%.
引用
收藏
页码：1374 / 1380
页数：7
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