In order to enhance the temperature of hot air and improve sinter quality, it is a better way for both kinds of gas to be intermingled and combust. Ecnomic benefit has been obtained.

为了提高热风炉风温、改善烧结矿质量，掺烧焦炉煤气，取得了一定的经济效益。

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But the problem is that it takes a lot of natural gas to isolate the hydrogen, leaving many to say that it would be more productive to just combust the natural gas in a conventional engine.

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Peat can then be ignited by wildfires or spontaneously combust.

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Moreover, much of the coal he bought from Burlington is low-quality lignite, a brownish fuel one step removed from peat, which can't be transported because it tends to spontaneously combust.

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