Fernández B, Seijo I, Ruiz-Filippi G, Roca E, Tarenzi L, Lema J M
Department of Chemical Engineering, Univ. Santiago de Compostela, Spain.
Water Sci Technol. 2007;56(2):121-8. doi: 10.2166/wst.2007.480.
During a 16 months period, the characteristics of the wastewaters generated in a Rias Baixas winery (Spain) producing white wine were determined: The characterization study showed that white wine wastewater had an average CODt and TSS values of 7.3 and 5.2 kg/m3, respectively being the ratio wastewater/wine produced of about 1.6-2.0 L/L and the ratio between load pollution and produced wine of 9.7 kg(CODt)/m3(WINE). A strategy for the management of wastes and wastewaters allowed for an important reduction of a 55% of wastewater generation to be achieved. In order to select a suitable technology for the treatment of wastewaters two configurations were tested at pilot scale: i) An Anaerobic Filter (AF) of 430 L followed by an activated sludge unit of 510 L and: ii) one activated sludge unit of 510 L. The results showed that the anaerobic/aerobic configuration was more flexible as it adapted quickly to the different loads and flows produced during the different phases through the year. Besides it allowed higher COD removals (98.5-99.2%) to be achieved and proved to permit a quicker re-start up after starvation periods.
在16个月的时间里，对西班牙下海湾地区一家生产白葡萄酒的酒庄产生的废水特性进行了测定：特性研究表明，白葡萄酒废水的平均化学需氧量（CODt）和总悬浮固体（TSS）值分别为7.3和5.2千克/立方米，废水/葡萄酒的产量比约为1.6 - 2.0升/升，污染负荷与生产葡萄酒的比例为9.7千克（CODt）/立方米（葡萄酒）。一种废物和废水管理策略实现了废水产生量大幅减少55%。为了选择合适的废水处理技术，在中试规模下测试了两种配置：i）一个430升的厌氧滤池（AF），随后是一个510升的活性污泥单元；ii）一个510升的活性污泥单元。结果表明，厌氧/好氧配置更灵活，因为它能快速适应一年中不同阶段产生的不同负荷和流量。此外，它能实现更高的化学需氧量去除率（98.5 - 99.2%），并证明在饥饿期后能更快重新启动。
