Department of Environmental Protection Engineering, University of Warmia and Mazury in Olsztyn, Poland.
Environ Technol. 2010 May;31(6):585-9. doi: 10.1080/09593331003616821.
Experiments were performed in parallel using two laboratory upflow anaerobic sludge blanket (UASB) reactors. One of the two reactors was packed with spiral elements made of steel wire with 48% iron content in order to examine the influence of the steel elements on the chemical oxygen demand (COD) and efficiency of phosphorus removal from synthetically prepared dairy wastewater. A strong relationship was found between anaerobic corrosion and efficiency of phosphorus removal. Phosphorus removal in the reactor packed with steel elements was between 16.4% and 64.4% higher than without the steel elements present. The anaerobic corrosion process improved COD removal efficiency by 1.0-3.1%, which was statistically significant. When steel elements were present the methane content of the biogas was increased by 6.7%. Increasing the organic loading rate had a strong effect on the anaerobic efficiency of the dairy wastewater treatment.
实验在两个实验室上流式厌氧污泥床（UASB）反应器中平行进行。两个反应器中的一个装有螺旋元件，由 48%铁含量的钢丝制成，以检查钢元件对化学需氧量（COD）和从合成制备的乳制品废水中去除磷的效率的影响。发现厌氧腐蚀与除磷效率之间存在很强的关系。装有钢元件的反应器中的磷去除率比没有钢元件时高出 16.4%至 64.4%。厌氧腐蚀过程将 COD 去除效率提高了 1.0-3.1%，具有统计学意义。当存在钢元件时，沼气中的甲烷含量增加了 6.7%。增加有机负荷率对乳制品废水处理的厌氧效率有很大影响。
