CN110452085B - 一种移动床c3/c4烷烃脱氢工艺 - Google Patents
一种移动床c3/c4烷烃脱氢工艺 Download PDFInfo
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- CN110452085B CN110452085B CN201810446569.9A CN201810446569A CN110452085B CN 110452085 B CN110452085 B CN 110452085B CN 201810446569 A CN201810446569 A CN 201810446569A CN 110452085 B CN110452085 B CN 110452085B
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
成分 | 单位 | 数值 |
乙烷 | 摩尔% | 2 |
丙烷 | 摩尔% | 96 |
丁烷 | 摩尔% | 2 |
催化剂 | |
活性金属 | 铂 |
助剂 | K |
载体 | Al2O3 |
形状 | 微球状 |
尺寸(D),mm | 0.4~5 |
孔容,cm3/g | 0.3~1.6 |
比表面积,m2/g | 50~200 |
堆积密度,g/cm3 | 0.60~0.70 |
对比例1 | 实施例1 | 实施例2 | |
第一级反应器 | |||
入口温度,℃ | 635 | 610 | 580 |
反应压力,Mpa(g) | 0.24 | 0.13 | 0.06 |
第二级反应器 | |||
入口温度,℃ | 646 | 605 | 550 |
反应压力,Mpa(g) | 0.22 | 0.1 | -0.1Mpa(A) |
第三级反应器 | |||
入口温度,℃ | 650 | 600 | 500 |
反应压力,Mpa(g) | 0.17 | 0.05 | -0.15Mpa(A) |
第三级反应器 | |||
再生温度,℃ | 700 | 635 | 600 |
再生压力,Mpa(g) | 0.1 | 0.05 | 0.01 |
对比例1 | 实施例1 | 实施例2 | |
丙烯收率,wt% | 96 | 98.5 | 97.4 |
催化剂含碳量,wt% | 5.5 | 4.0 | 3.6 |
燃料气消耗量,Nm3/a | 40x106 | 34.8x106 | 36.6x106 |
催化剂单程寿命,h | 80 | 93 | 110 |
反应器进出料压缩机功率,MW | 23 | 18 | 20.5 |
反应器出口管线尺寸,英寸 | 40 | 36 | 38 |
Claims (3)
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CN107428633A (zh) * | 2015-03-30 | 2017-12-01 | 陶氏环球技术有限责任公司 | 集成的c3‑c4烃脱氢方法 |
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