当煤炭在氧气中加热时经化学反应会形成二氧化碳和氢气。
When heated in oxygen, coal reacts to form carbon dioxide and hydrogen.
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。
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.
项目目标：开发利用二氧化碳、氧气和氢气合成丁醇的基因工程菌；
Project Goals: Develop genetically modified bacteria that use carbon dioxide, oxygen and hydrogen to produce butanol.
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