(一)选用先进技术、经济合理的处理工艺，尽量减少工程投资。

(1) using advanced technology, economic and reasonable treatment process to minimize project investment.

(二)采用的设备材料先进可靠、耐腐防磨。

(two) the equipments and materials adopted are advanced, reliable, resistant to corrosion and abrasion.

(三)处理系统运行稳定，运行管理便利、符合操作人员素质要求。

(three) the operation of the treatment system is stable, the operation and management are convenient, and the quality requirements of the operators are met.

(四)精心布设系统的流程，尽量减少运行过程的物耗及能耗，降低运行成本。

(four) elaborate the systematic process, minimize the material consumption and energy consumption, and reduce the operation cost.

(五)避免二次污染。

(five) avoid the two pollution.

(六)尽量减少建设用地。

(six) reduce construction land as much as possible.