well effluent

To ensure that the treatment process run well and enhance effluent quality, it has become an important task in the field of wastewater treatment to research new control method.

为保证处理过程运行良好和提高出水质量，开发和研究新型的控制策略，已经成为污水控制工程领域的重要课题。

The results show that the processes performed well in treating the oilfield produced wastewater, with the effluent reaching the strictest requirement of the First Grade Effluent Discharge Standards for Wastewater from Petroleum Development Industry ( GB 3550& 1983).

试验结果表明：水解酸化缺氧法对采油废水具有较好的处理效果，缺氧段各工况的出水COD均能达到《国家石油开发工业水污染物排放标准》（GB35501983）第一级Ⅰ类标准。

Because of their special layered structure, they have shown a good performance in catalysis, adsorption, separation, ion exchange as well as effluent disposal and so on, and have found important applications in the production and living of society.

由于它们具有特殊的层状结构，因此其在催化、吸附、分离、离子交换以及废水处理等方面都表现出良好的性能。

Two stage biological contact oxidation has many merits such as high treatment efficiency, high volume loading rate, well quality of effluent, smaller area, etc.

接触氧化法具有处理效率高，耐冲击负荷，出水水质好，占地面积小等特点。

We used the above process to treat 240 tons of waste water and recycled thermal energy, the system is running well, the effluent water was stable, and we can achieve the main target of the requirements of the enterprise reuse.

日处理废水240吨，并回收了废水中的热能，系统运行效果很好，出水水质稳定，主要指标都能达到该企业回用的要求。

Three kinds of main plugging factors in A8 well have been analyzed, their sequence is effluent oil plugging, solidity invasion plugging and sanding plugging.

分析了造成A8井堵塞的三种主要原因，认为堵塞的原因依次是污油堵塞、固体颗粒侵入堵塞和地层出砂堵塞。