重整抽余油催化加氢制优质溶剂油

在低压条件下进行了重整抽余油加氢脱不饱和烃制优质溶剂油的试验，改性催化剂Ｐｔ／Ａｌ２Ｏ３在反应中表现出了优良的低压加氢反应活性和反应稳定性。试验表明，液时空速对加氢反应的影响较大，宜取３．０ｈ－１左右；加氢处理后，重整抽余油中的烯烃转化率和芳烃转化率分别达９９％和９５％以上，经简单蒸馏切割后，可分别得到优质的６＃溶剂油和１２０＃溶剂油

High Grade Solvent Oil Prepared from Reformed Raffinate through Hydrogenation

ydrogenation　of　reformed　raffinate　to　remove　unsaturated　hydrocarbons　and　to　manufacture　high　grade　solvent　oil　is　carried　out　under　low　hydrogen　pressueThe　modified　catalyst　Pt/Al2O3　exhibits　good　reaction　activity　and　reaction　stability　under　the　selected　reaction　conditionsTest　results　show　that　LHSV　is　a　more　important　factor　affecting　the　reaction,and　that　an　appropriate　LHSV　is　about　30　h-1The　conversions　for　the　hydrogenation　of　alkene　and　aromatics　in　the　reformed　raffinate　are　more　than　99%　and　95%　respectively,and　high　grade　solvent　oil　6#　and　120#　can　be　obtained　by　simple　distillation