Through the summarization for semi-water coal gas tannin extract de-sulfur reformation in Zhisheng Chemical Engineering Company Ltd.

通过对智胜化工有限公司半水煤气栲胶脱硫改造的总结，从设备改造、工艺控制等方面简述了脱硫技改的措施和效果。

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Better still, the coal can be reacted with water to produce a mixture of CO2 and hydrogen in which the carbon dioxide is much more concentrated than in normal flue gas, so it is easier to scrub out.

更好的方法是使煤和水发生反应，产生一种二氧化碳和氢气的混合物。在这种混合物中二氧化碳含量比一般电厂废气中的更高，所以更容易分离。

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Scientists have found substitutes for oil as fuel. Coal, natural gas, solar power, nuclear power and even water can replace oil as sources of energy.

科学家已经找到了石油的替代品，包括煤、天然气、太阳能、核能甚至是水。

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They are encouraging drillers to use tainted coal mine water to hydraulically fracture gas wells in the Marcellus Shale formation, with the twin goals of diverting pollution from streams and rivers that now run orange with mine drainage and reducing the drillers' reliance on fresh sources of water.

WSJ: Pa. pushes drillers to frack with coal mine water

Coal beds often double as aquifers, and to remove the gas thousands of gallons of water (which trap it in the coal) must be got out first.

ECONOMIST: Energy supplies

However, the installed base of solar thermal electricity generation uses twice the water as coal and five times the amount as gas-fired plants.

FORBES: Water Shortages May Leave Energy Producers Dying of Thirst