A case of predicting the discharge quantity of wastewater from chemical industry in a city shows that this method has the advantage over GM (1, 1) in prediction effect.
某市化工行业废水排放量的预测实例表明，本方法比GM(1,1)有着更好的预测效果。
The expected effluents will therefore undergo variations in quantity and quality that shall be minimized to optimize the efficiency of the wastewater treatment plant described hereafter.
因此，预计的污水在水量和水质上会有变化，应最大限度地减少这一变化，以优化污水处理厂的效率。
The correlation of microbe quantity and purification effect of purification system by using hydroponics chlorophytum comosum in domestic wastewater was studied.
通过采用生活污水水培吊兰，研究了该净化系统中微生物数量与净化效果的相关关系。
For the characteristics of expressway sewage quantity and water quality, the buried integrated wastewater treatment system is applied.
针对高速公路污水量和水质的特点，设计采用地埋式一体化污水处理系统。
Heterogeneous photocatalytic oxidation was found not suitable to treat wastewater of high concentration, but the concentration range could be extended by increasing the quantity of H2O2.
还发现多相光催化氧化工艺并不适合处理高浓度废水，但通过提高H2O2的投加量可扩大多相光催化氧化法处理焦化废水的浓度范围。
The harbor chemical wastewater is very difficult to treat because it contains organic pollutants, and the quality and quantity of the wastewater can vary from time to time.
港口化学品污水由于含有一些难于处理的有机污染物质，而且水质和水量又具有多变性和随机性，处理难度较大。
Total quantity control of pollutants in the regional wastewater is an important topic being investigated in environmental impact assessment and environmental planning.
区域废水污染物排放总量控制是当前环境影响评价和环境规划中探讨的重要课题。
Pollution total quantity control in the catchment area of municipal waste water treatment plant should avoid the repetitive treatment of municipal wastewater treatment plant.
在城市污水处理厂汇水区实行污染源总量控制，应该避免与城市污水处理厂重复治理。
The technique design of Guanlin wastewater treatment plant of Yixing city is introduced. Aiming at water quantity and water quality this plant adopts method of circulated active sludge.
介绍了宜兴市官林污水处理厂的工艺设计过程，该污水厂针对处理对象的水量和水质采用了循环式活性污泥法。
The source of cold rolling wastewater was analyzed, the difficulties in dealing with cold rolling wastewater including selection of process, effluent quantity and quality of wastewater were indicated.
分析了冷轧废水产生的来源，说明了冷轧废水在处理工艺选择、水质、水量确定上的困难。
The quantity of citric acid-production wastewater is large, and concentration of pollutant in wastewater is high.
柠檬酸生产废水产生量大，污染物浓度高，属难处理的有机废水。
This paper introduces the method of quantity reduction treatments for the macroporous resin adsorption eluent from the production wastewater of DSD acid by the way of evaporation concentration.
介绍了采用蒸发浓缩方式对DSD酸生产废水大孔树脂洗脱液进行减量处理的方法。
On the basis of wastewater quality and quantity of alcohol factory, the anaerobic - oxidation process combining floating and carbon absorbing has high treatment efficient and stability operation.
针对某酒精厂所排放废水的水质、水量特点，设计了好氧厌氧配以气浮和活性炭吸附相结合的处理工艺，通过实践证明，该工艺处理效率高，运行稳定。
One of them is the wastewater quantity and quality in the design stage.
其中城市污水处理厂的设计水质、水量常与实际差别很大是最主要的一个。
The dyeing and finishing wastewater with the character of great change in quality and quantity, high- concentration organic contaminants, low BOD/COD value, high chroma is degraded difficultly.
印染废水是一种水质水量变化大、有机物含量高，可生化性差，COD高，色度高的难降解废水。
A great quantity of acid wastewater is discharged from the production process of sulfuric acid, single superphosphate and ammonium phosphate, causing serious pollution of water bodies.
硫酸、普钙和磷铵生产过程中排放大量酸性废水，对水体造成严重污染。
In the course of the bio degradation of sewage in wastewater treatment plants, a great quantity of harmful gases are produced.
在污水处理厂污水生物降解的过程中，会产生大量难闻的废气。
A large quantity of sericin exits in the wastewater drained by the producers of silk yarn and silk fabrics.
丝绸厂排放的废水中含有大量的丝胶蛋白。
The process can avoid the discharge of ammonia nitrogen wastewater, protect the water resource environment and save a large quantity of precious water resources.
该工艺避免了氨氮废水的排放，保护了水资源环境，节省了大量珍贵的水资源。
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。
The optimal moment and quantity for addition of fly ash were confirmed through a lot of experiments adding fly ash into wastewater in 4 different phases.
通过对4个不同阶段的废水进行投放粉煤灰试验 ，确定了粉煤灰的最佳投放阶段和投放量。
The optimal moment and quantity for addition of fly ash were confirmed through a lot of experiments adding fly ash into wastewater in 4 different phases.
通过对4个不同阶段的废水进行投放粉煤灰试验 ，确定了粉煤灰的最佳投放阶段和投放量。
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