Environmental groups had argued that its use offered no meaningful reduction in greenhouse gas emissions - in part because of the vast use of energy and water in the ethanol conversion process.
环保团体称玉米乙醇并没有给我们什么有价值的温室气体排放降低，这部分是生产乙醇的能耗和用水过多所致。
The process of dealing with the BF gas slime adopting roasting reduction method with Rotary Hearth Furnace was studied.
研究了采用转底炉工艺还原焙烧处理高炉瓦斯泥制备金属化球团。
It is the problem for direct reduction process with oxygen enriched gas generated from solid fuel to produce qualified reduction gas.
制取合格的还原煤气是富氧煤气化直接还原竖炉新工艺的技术关键。
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