Article(id=1308544058927182710, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544039763411521, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1006-4613.2026.03.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1746806400000, revisedDateStr=2025-05-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1789910815221, onlineDateStr=2026-09-20, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789910815221, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789910815221, creator=13701087609, updateTime=1789910815221, updator=13701087609, issue=Issue{id=1308544039763411521, tenantId=1146029695717560320, journalId=1268266715432370238, year='2026', volume='', issue='3', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1781020800000', pubDateStr='2026-06-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789910810650, creator='13701087609', updateTime=1789955260152, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308730474583916647, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544039763411521, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308730474583916648, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544039763411521, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=38, endPage=46, ext={EN=ArticleExt(id=1308544059162063735, articleId=1308544058927182710, tenantId=1146029695717560320, journalId=1268266715432370238, language=EN, title=Experimental Research of Two-step Hydrogenation of Industrial Naphthalene to Decalin, columnId=1268934131263115797, journalTitle=Angang Technology, columnName=Research and Development, runingTitle=null, highlight=null, articleAbstract=

Industrial naphthalene contains thionaphthene, quinoline, and their derivatives, which can cause catalyst poisoning during the hydrogenation process, significantly reducing catalyst lifespan. A two-step hydrogenation technology involving fixed-bed hydrofining and deep hydrogenation of industrial naphthalene was designed to produce decalin. The hydrofining process mainly removed sulfur and nitrogen impurities from industrial naphthalene. Using NiMo sulfide catalysts for hydrofining, sulfur content was reduced from 3 200ppm to below 34ppm, and nitrogen content from 102ppm to below 38ppm. Taking the hydrofining product as the raw material for deep hydrogenation, a Pt-Pd/SiO₂-Al₂O₃ catalyst was used in deep hydrogenation process and then both naphthalene and tetraline were completely converted to decalin, with the trans-decalin content in the product stabilized at approximately 87.2% and a maximum trans-/cis- of 6.8. Both catalysts exhibited excellent stability over a 1 000-hour test, showing no signs of deactivation.

, authors=Dakui ZHANG¹, Liwei ZHANG¹, Jiqing ZHANG², Zhiqiang XU¹, Hongcai YU¹, Chuang LI³, Changhai LIANG³, authorsList=Dakui ZHANG, Liwei ZHANG, Jiqing ZHANG, Zhiqiang XU, Hongcai YU, Chuang LI, Changhai LIANG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1308544059464053624, articleId=1308544058927182710, tenantId=1146029695717560320, journalId=1268266715432370238, language=CN, title=工业萘两步加氢制十氢萘的实验研究, columnId=1268934131426693655, journalTitle=鞍钢技术, columnName=研究与开发, runingTitle=null, highlight=null, articleAbstract=

工业萘中含有硫茚、喹啉及其衍生物，在加氢过程中会导致催化剂中毒，大幅缩短催化剂的寿命。设计了工业萘固定床加氢精制-深度加氢两步加氢制十氢萘工艺，加氢精制过程主要脱除工业萘中的S和N，使用NiMo硫化物催化剂作为加氢精制催化剂，可实现S含量由3 200ppm降至34ppm以下，N含量由102ppm降至38ppm以下。深度加氢使用Pt-Pd/SiO₂-Al₂O₃催化剂，以加氢精制产品为原料，萘和四氢萘全部转化为十氢萘，产物中反式十氢萘含量稳定在87.2%左右，反顺比最高为6.8。两个催化剂在1 000 h稳定性实验中均表现出优异的稳定性，没有失活现象。

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张大奎，高级工程师，博士，2010年毕业于大连理工大学化学工程与技术专业。E-mail: dakuiansteel@163.com

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张大奎，高级工程师，博士，2010年毕业于大连理工大学化学工程与技术专业。E-mail: dakuiansteel@163.com

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