CAJ | 학술논문

焦炉气制取LNG生产过程中需严格控制合成气中的硫含量，以期增加合成催化剂的使用寿命。采用气相色谱仪-硫化学发光检测器（GC-SCD）方法，测定了焦炉气制LNG过程中痕量形态硫化物及总硫含量，并结合实际，讨论了分析过程中需注意的问题。标准气校准，计算各种组分的检出限均低于10．00×10-9（体积分数），总硫含量33．00×10-9。6种含硫组分的标准曲线相关性均优于0．996。相对标准偏差（RSD ，N＝7）均小于7％。合成气样品测定过程中，在接近检出限的情况下，相对标准偏差小于12％。本方法可很好地满足工厂生产控制的需要。
초로기제취LNG생산과정중수엄격공제합성기중적류함량，이기증가합성최화제적사용수명。채용기상색보의-류화학발광검측기（GC-SCD）방법，측정료초로기제LNG과정중흔량형태류화물급총류함량，병결합실제，토론료분석과정중수주의적문제。표준기교준，계산각충조분적검출한균저우10．00×10-9（체적분수），총류함량33．00×10-9。6충함류조분적표준곡선상관성균우우0．996。상대표준편차（RSD ，N＝7）균소우7％。합성기양품측정과정중，재접근검출한적정황하，상대표준편차소우12％。본방법가흔호지만족공엄생산공제적수요。
Because of environmental pressures and market demands , the project of making LNG from coke oven gas was applied widely .In order to increase the service life of synthesis cat-alysts ,the contents of total sulfur in synthetic gas must be strictly controlled ,w hich should be lower than 50 × 10-9 (volume fraction) .The GC&SCD method was applied to determine the con-tent of trace sulfide and total sulfur in synthesis gas ,and the influence factor was explained in the process of analysis and sampling .The detection limit of the method for every sulfur form is less than 10 × 10-9 (volume fraction) ,and total sulfur is 33 × 10-9 (volume fraction) .The correlation coefficient of calibration curves for every sulfur form is better than 0 .996 and RSD is less than 7% .During analysis of synthesis gas ,the RSD is less than 12% .T he demands of process control can be satisfied w ell .