焦炭，煤气和汽油是更加有效地利用煤和石油的第二级燃料的范例。
The gas and petrol are examples of secondary fuels by which coal and oil may be more effectively used.
主要产品有焦炭、焦炉煤气、煤焦油、轻苯、硫铵等。
The main products are coke, coke oven gas, coal tar, light benzene, ammonium sulfate, etc.
通过在移动床气化炉的造气实验表明，该气化型焦完全符合工业化造气用煤要求，可替代焦炭作为生产半水煤气的原料。
It has been proved that the formed coke is qualified to be used as industrial gasification coal that produces gas with the formed coke in the moving bed gasify furnace.
焦化废水是煤制焦炭、煤气净化及焦化产品回收过程中产生的废水。
Coke plant wastewater is a kind of intractable wastewater which are from the process of making coke, purifying coal gas and recovering the coke products.
煤经干馏，产生的挥发性物质称煤气，煤气中还带有焦炭汽蒸产生的水煤气。
Coal gas is made by the distillation of the volatile matter from coal with some steaming of the coke to produce water gas.
1870年后，西门子用蓄热式煤气炉代替焦炭炉。
After 1870 the Siemens regenerative gas furnace replaced the coke-fired furnace.
1870年后，西门子用蓄热式煤气炉代替焦炭炉。
After 1870 the Siemens regenerative gas furnace replaced the coke-fired furnace.
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