煤炭转化
煤炭轉化
매탄전화
COAL CONVERSION
2010年
1期
31-33
,共3页
朱肖曼%王伟%李培霖%王勇%王雨
硃肖曼%王偉%李培霖%王勇%王雨
주초만%왕위%리배림%왕용%왕우
煤液化生成油%窄馏分%假临界温度%关联式
煤液化生成油%窄餾分%假臨界溫度%關聯式
매액화생성유%착류분%가림계온도%관련식
coal-derived oil%narrow fractions%pseudo-critical properties%relating equations
对神华煤进行煤炭直接液化实验,将300 ℃之前的液化生成油切割成8个窄馏分,利用基团贡献法计算得到窄馏分的假临界温度随蒸馏温度升高而升高,且符合线性方程T_c=435.4+1.298t.采用6种不同关联式计算得到的煤液化油窄馏分的假临界温度与基团贡献法的估算值有较好的一致性,相对误差在5%之内,其中采用Watanasiri关联式和日本NEDO法的相对误差在2%之内.
對神華煤進行煤炭直接液化實驗,將300 ℃之前的液化生成油切割成8箇窄餾分,利用基糰貢獻法計算得到窄餾分的假臨界溫度隨蒸餾溫度升高而升高,且符閤線性方程T_c=435.4+1.298t.採用6種不同關聯式計算得到的煤液化油窄餾分的假臨界溫度與基糰貢獻法的估算值有較好的一緻性,相對誤差在5%之內,其中採用Watanasiri關聯式和日本NEDO法的相對誤差在2%之內.
대신화매진행매탄직접액화실험,장300 ℃지전적액화생성유절할성8개착류분,이용기단공헌법계산득도착류분적가림계온도수증류온도승고이승고,차부합선성방정T_c=435.4+1.298t.채용6충불동관련식계산득도적매액화유착류분적가림계온도여기단공헌법적고산치유교호적일치성,상대오차재5%지내,기중채용Watanasiri관련식화일본NEDO법적상대오차재2%지내.
Shenhua coal-derived oil samples are obtained from the continuous direct coal liquefaction test. 8 narrow fractions are gained by the true boiling point distillation from the samples, of which boiling point is lower than 300 ℃. The pseudo-critical temperatures (PCT) calculated by group contribution method (GCM) of the narrow fractions ascend with distillation temperature rising with a linear relation:T_c=435.4+1.298t. The PCT calculated by six different equations accurately is consistent with the measured values by GCM, which the relative errors are within 5%. Furthermore, the lesser errors can be got by using the Watanasiri equation and NEDO formula within 2%.
