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mooncakesun木虫 (著名写手)
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[求助]
帮忙翻译几句话
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帮忙翻译几句话！急用谢谢 C-01铅系脱砷催化剂在进口混合碳二碳三选择加氢前（乙炔选择性加氢制乙烯，丙炔选择性加氢制丙烯）脱砷催化剂的基础上进行了改性，催化剂具有使用寿命长、脱除活性高、无加氢副反应等特点。 C-01铅系脱砷催化剂进反应器须经活化后才有活性，主要脱除催化剂中少量水分，活化条件如下：活化时，将空气或氮气加热至100~230℃，以100~800的空速通过C-01脱砷催化剂床层，直至C-01脱砷催化剂床层温度升至100~200℃时，维持此活化温度24~48小时（温度低，时间长；空速小，时间长），然后停空气，通氮气降至室温，封闭待用。也可用液氮进行脱水处理。脱砷催化剂经活化后，以后使用不再需要活化，直至失活。 停车更换脱砷剂前，先用100~150℃的氮气置换5~6小时，通氮气冷却至室温。 C-01铅系脱砷催化剂已在国内石化企业如上海石化、北京燕山石化、吉林石化等单位万吨级混合碳三选择行加氢前（丙炔选择性加氢制丙烯）脱砷装置单元上使用，可将混合碳三中600~800ppb砷化物脱除至2ppb以下，提高了后续碳三选择性加氢催化剂的使用寿命。 2004年在广州石化聚丙烯工业装置用于脱除乙烯中的一氧化碳，可将乙烯中一氧化碳脱除至0.1ppm以下。 |
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ufoer
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6楼2008-10-12 14:20:30
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C-01 lead the Department of arsenic removal catalyst in the import of mixed carbon carbon second three choices before the hydrogenation (selective hydrogenation of acetylene to ethylene, selective hydrogenation of acetylene C-propylene) arsenic removal catalyst on the basis of a modified, with a catalyst Long service life, removal of high activity, no hydrogenation reaction and so on. C-01 lead into the Department of arsenic removal catalyst reactor is subject to activation of activity after the main catalyst for removal of a small amount of water, the activation conditions are as follows: When activated, air or nitrogen heated to 100 ~ 230 ℃, with 100 to 800 of the Airspeed through the C-01 arsenic removal catalyst bed until the C-01 arsenic removal catalyst bed temperature rose to 100 ~ 200 ℃, to maintain the activation temperature of 24 to 48 hours (low-temperature, long time; small space, time Long), and then stop air, nitrogen-down to room temperature, the closure of stand-by. Dehydration can also be used for dealing with liquid nitrogen. Arsenic removal by the activated catalyst, is no longer required after the use of activated until deactivation. Parking off the replacement of arsenic before the first 100 ~ 150 ℃ nitrogen replacement of 5 to 6 hours, nitrogen-cooled to room temperature. C-01 lead from the Department of arsenic has been a catalyst in the domestic petrochemical enterprises such as Shanghai Petrochemical, Beijing Yanshan Petrochemical, Jilin Petrochemical, and other units of mixed-ton carbon choose three lines before the hydrogenation (C selective hydrogenation of acetylene propylene) arsenic removal equipment unit On the use of carbon can be mixed in three 600 ~ 800ppb arsenic removal following 2ppb to improve the follow-up of carbon three selective hydrogenation catalyst life. In 2004 in Guangzhou Petrochemical Polypropylene plant for the removal of carbon monoxide in ethylene, ethylene can be in the removal of carbon monoxide to below 0.1ppm. |
3楼2008-10-12 10:44:40
baiyaxiang
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4楼2008-10-12 11:04:03
mooncakesun
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5楼2008-10-12 11:05:58
