In this paper, wastewater quality of kelp processing was analyzed and its treatment was tested.

对加工海带时产生的废水水质进行了分析，对废水处理工艺进行了初步试验研究。

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Key operating units were found out by online monitoring of water quantity and wastewater quality in apple juice concentrate factory.

通过对浓缩苹果汁加工厂用水量及排水水质的监测，确定重点节水减污单元。

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Opposed to COD/N ratio, much more information could be obtained if the denitrification potential and wastewater quality were determined.

相对于COD/N，如果确定了系统反硝化潜力和污水水质能获得更多信息。

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The film highlights key water quality problems such as lack of access to safe water and sanitation, inefficient wastewater management in urban areas, water pollution caused by intensive use of nutrients and chemicals in agriculture, the invisible threat of new and emerging pollutants in water and the economic costs of water quality degradation.

UNESCO: MEDIA SERVICES