The technical design feature of total low temperature shift process used in the extension of Liuzhou chemical fertilizer plant was introduced.

论述了在柳州化肥厂扩建中新颖的全低变工艺革新设计。

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The result of this study reveals that REE are concentrated in slag mainly during the smelting process, and total content of REE in the copper ingots is very low.

结果发现稀土元素在铜矿冶炼过程主要富集在炼渣中，金属铜中的稀土元素含量很低。

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The water and chemical consumption is reduced so that the total process cost is low.

撇油和过滤设计使清洗液能长时间循环使用，节约水资源和化学品，降低清洗工序成本。

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In total, the process will require three weeks of multi-state trips at speeds as low as 5 miles per hour, weaving through traffic, negotiating bridges and weaving around red tape.

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