封闭循环用水已成为造纸工业的大势所趋。
人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。
You’d reduce water use and end runoff by recycling water in a closed irrigation system.
人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。
You'd reduce water use and end runoff by recycling water in a closed irrigation system.
针对磷酸生产用水的特殊性，总结了大装置磷酸生产用水封闭循环使用存在的问题，并因地制宜地找到了解决此问题的方法。
This paper summarize the existing problems in the cycle use of process water for phosphoric acid production, and also some measures to solve were put forward.
介绍了对工业锅炉黑水综合利用的措施和改造效果。通过封闭循环利用既节约了工业用水又保护了环境。
The measures and effects on comprehensive utilization and improvement of black water in industrial boiler. Through closed recycle usage, industrial water was saved, and environment was protected.
污水封闭循环利用不外排放，彻底根除污水排放造成的污染，同时回收了污水中的有效成分，又节约大量工业用水。
Wastewater is cycled in a closed loop. Pollution due to wastewater discharge is eliminated thoroughly. Valuable components are recovered form the wastewater, besides, a large amount of water is saved.
此外，创造了回浆法和冷却水系统的半封闭式循环用水等新工艺，大大节约了用水量。
Morever, new technolo-gies such as slurry-recycling method and semi-closed circuit water circulation for cooling sys-tem were adopted reducing water consumption greatly.
此外，创造了回浆法和冷却水系统的半封闭式循环用水等新工艺，大大节约了用水量。
Morever, new technolo-gies such as slurry-recycling method and semi-closed circuit water circulation for cooling sys-tem were adopted reducing water consumption greatly.
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