An optimum plan of raising removabilities of N and P, suitable to Song-Jiang Sewage Disposal Plant, has been suggested.
并对三个方法进行了比较，推荐了适合松江污水厂提高氮磷去除率的最佳方案。
The factors affecting operation of disposal system for ash water from Texaco coal-water slurry gasifier are analyzed. The optimum operation is achieved after countermeasures being taken.
分析了影响德士古水煤浆气化灰水系统运行的各种因素。针对存在的问题，采取了相应措施，实现了系统运行的优化。
Based on the studying of gas interchangeability and disposal of pollutants, the optimum replacing method and the clean meth-od to utilizing LNG can be obtained.
通过燃气互换性和污染物排放及控制特性的研究，得到天然气置换其他燃气的最优方法，以及天然气洁净利用的方法。
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