The gas is cooled to condense tar, water, and other impurities.
这些气体经过冷却后成为浓缩焦油, 水和其他杂质。

Cleaning Theatment of Smoking Gas from Oil Bitumen and Coal Tar Enamel
石油沥青与煤焦油瓷漆的烟气净化处理

Catalytic Removal of Biomass Tar and Hydrogen Generation of Producer Gas
生物质焦油的催化脱除及气化气制氢

Purifying Asphalt Gas of Baking Furnace with Electrostatic Tar Collecting Method
电捕法净化焙烧炉沥青烟气

Catalytic Conversion of Pyrolysis Gas Tar with Naphthalene as the Model Compound
热裂解气中模型化合物萘的催化转化

However, the gas containing tar from updraft gasifier can be used for direct burning.
但是，载有上升气流天然气气化焦油可用于直接燃烧。

Flue gas purification for carbon roast stove with electroslatic tar collecting method
用电捕焦油法净化炭素焙烧炉烟气

Any remaining tar is removed by passing the gas through an electrostatic precipitator.
将煤气通过静电沉淀器以除去残余的煤焦油。

The liquor is separated from the gas in a central tank, together with any condensed coal tar.
在中心储罐中将淋洗液与气体和被浓缩的煤焦油进行分离。

The furnace of coal gas calorific value high thoroughly dry distillation under section gas excluding, tar.
煤炭经炉内彻底干馏, 煤气热值高, 下段煤气不含焦油。

The yield of both tar and gas is decreased with the decrease of exhausting temperature of liberated matter.
降低挥发物的出口温度，可以降低焦油和气体收率。

Tar amount in tabacco gas in treatment with Arthrobacter agent is lower or same to the treatment with water.
烟气焦油含量低于或与清水处理后的相当。

Improvement on Process of Removing Naphthalene from Coke Oven Gas During Primary Cooling and Final Cooling by Light Tar
煤气初终冷轻焦油洗萘工艺的改进

Determination of Biphenyl and Phenanthrene in Coal Tar Wastewater by Gas Chromatography with Thin Layer Column after Extraction Concentration
萃取浓缩 薄涂柱气相色谱法测定煤焦油废水中的联苯和菲