tdl522 发表于 2013-1-18 14:34:38

What is the meaning of SOR (Start of Run ) and EOR (End of run) condition?

What is the meaning of SOR (Start of Run ) and EOR (End of run) condition? Particularly in naphtha hydrotreating and c5/c6 isomerisation unit when we can say catalyst EOR condition is started?

Answers
A naptha hydrotreater (NHDT) or Light naphtha isomerization plant is designed to do specified duty under a set and range of conditions. With the progress of time the catalyst gets deactivated and temperature is increased to compensate the deactivation for getting product of specified quality (e.g. sulfur, nitrogen etc in case of NHDT) and yield too. The period during SOR to EOR is called cycle length. The lowest temperature at which plant is commissioned to yield desired product quality for example sulfur of 0.5 ppm is called SOR. When the catalyst deactivation is reached to the extent that it has to be regenerated to get specified product quality we say that it has achieved EOR. Ultimate life is the period from SOR to catalyst replacement. In isom. Pt on chlorided alumina is non regenerable and lead lag system of two reactors is adopted. zeolite isom cat are regenerable.


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罗修绝 发表于 2013-1-18 14:44:27

四哥，这个东西我怎么看不懂啊？？{:1106_367:}

夏紫苏 发表于 2013-1-18 15:12:35

天啊，都是英文，看的头都大了

ahjdlmc 发表于 2013-1-18 15:33:48

感谢楼主分享～

liuyanfei 发表于 2013-1-18 15:41:21

要是谁能翻译成中文就好了啊

bate1985 发表于 2013-1-24 08:39:15

{:1106_363:}哎，看的累啊

cool99 发表于 2013-1-31 14:57:37

错了。应该是催化剂初期床层反应温度和末期床层反应温度

微博评论 发表于 2013-1-31 16:30:09

石脑油加氢或者异构化的，说的话催化剂初期反应温度和末期反应温度。楼主要是不懂，我们可以交流下\n\nhttp://meng.horse/xwb/images/bgimg/icon_logo.png 来自 大地采集者 的新浪微博

lanyezi 发表于 2013-1-18 14:34:38

楼主辛苦了，好书！
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