Water pinch technology can save fresh water and reduce wastewater in industry and has practicality and better application prospect.
水夹点技术在工业用水节约和废水减量方面具有实用价值和较好的应用前景。
Therefore, policy should be made to guild the alfalfa industry to save more water and more economic benefit as well in Yongchang County.
应通过政策引导，使节水的同时经济效益也较好，这将有利于苜蓿经济效益与节水效益共同提高。
A new method-dry granulation of BF slag could save fresh water, but also recycle the heat of slag. It can also be used in cement industry as the BF slag traditionally treated with water.
拟开发新的干法处理高炉渣，不仅可以大幅度节约新水，还可以回收高炉渣的显热，另外，高炉渣粒化后可以达到传统的水处理高炉渣一样的效果。
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