纤毛原生动物作为污水处理系统性能的指标

V.M. Luna-Pabello , R. Mayén , V. Olvera-Viascan , J. Saavedra , C. Durán de Bazúa
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引用次数: 20

摘要

在食品工业中,废水中溶解的有机物浓度非常高,建议采用原位处理系统。这些系统需要简单和廉价的控制参数。根据文献,评价系统性能的一种廉价的方法是对不同原生动物种类进行显微观察,并结合评价人员的个人判断。采用四段式实验室旋转生物反应器处理稀释后的玉米加工废水,研究了纤毛虫原生动物作为系统性能的指示生物。监测温度、pH值和溶解氧。溶解有机物,以化学需氧量和生化需氧量(COD和BOD5)衡量,沿着反应器逐渐减少。鉴定出12种原生动物。其中,有10种已被文献报道为好氧城市污水处理厂的常见居民。在反应器沿线的废水中发现了六种与BOD5浓度之间的相关性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ciliated protozoa as indicators of a wastewater treatment system performance

In the food industry, where effluents contain very high concentrations of dissolved organic matter, in-situ treatment systems have been recommended. These systems require simple and inexpensive control parameters. According to the literature, to evaluate the system performance an inexpensive method is the microscopic observation of different protozoal species, combined with personal judgement of evaluators.

For a four-stage laboratory rotating biological reactor treating diluted corn-processing effluents, ciliated protozoa as indicator organisms of system performance were studied. Temperature, pH and dissolved oxygen were monitored. Dissolved organics, measured as chemical and biochemical oxygen demand (COD and BOD5), gradually decreased along the reactor. Twelve protozoal species were identified. From them, 10 have been reported in the literature as commonly found inhabitants of aerobic municipal wastewater treatment plants. A correlation between six of the species with BOD5 concentrations in the wastewaters along the reactor was found.

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