煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。
Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.
部分含有煤焦油的煤气水用于气化炉的洗涤冷却器中，而剩余部分输送至煤气水分离装置。
Part of the tarry gas liquor is used in each gasifier's wash coolers, with the remainder sent to the gas liquor separation unit.
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.
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