Coke Formation Reduction in the Steam Cracking of Naphtha on Industrial Alloy Steels Using Sulfur-Based Inhibitors
Coke formation reduction during naphtha pyrolysis was investigated using dimethyl disulfide (DMDS) and carbon disulfide (CS2) as inhibitors with different feed stocks. Different industrial nickel alloy steels such as stainless steel 304 and 316 (SS304, SS316), HP-modified (HP-mod) and HP-micro (HP-m...
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| Veröffentlicht in: | International journal of chemical reactor engineering 2010-08, Vol.8 (1), p.2304-2304 |
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| container_title | International journal of chemical reactor engineering |
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| creator | Salari, Darioush Niaei, Aligholi Shoja, Mohammad Reza Nabavi, Reza |
| description | Coke formation reduction during naphtha pyrolysis was investigated using dimethyl disulfide (DMDS) and carbon disulfide (CS2) as inhibitors with different feed stocks. Different industrial nickel alloy steels such as stainless steel 304 and 316 (SS304, SS316), HP-modified (HP-mod) and HP-micro (HP-mic) were used as coupons in a quartz cylindrical reactor for coke formation studies. Coke formation significantly reduced in the presence of the additives or using feeds with more sulfur compounds. It was revealed that HP-mic alloy has the least coke deposition rate between other alloys. Scanning electron microscope (SEM) and energy dispersive X-ray analyzer (EDAX) were used for morphological and elemental surface analyses, respectively. It was found that cokes formed in presence of sulfurous inhibitors are softer and have less metal concentrations. |
| doi_str_mv | 10.2202/1542-6580.2304 |
| format | Article |
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Different industrial nickel alloy steels such as stainless steel 304 and 316 (SS304, SS316), HP-modified (HP-mod) and HP-micro (HP-mic) were used as coupons in a quartz cylindrical reactor for coke formation studies. Coke formation significantly reduced in the presence of the additives or using feeds with more sulfur compounds. It was revealed that HP-mic alloy has the least coke deposition rate between other alloys. Scanning electron microscope (SEM) and energy dispersive X-ray analyzer (EDAX) were used for morphological and elemental surface analyses, respectively. 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Different industrial nickel alloy steels such as stainless steel 304 and 316 (SS304, SS316), HP-modified (HP-mod) and HP-micro (HP-mic) were used as coupons in a quartz cylindrical reactor for coke formation studies. Coke formation significantly reduced in the presence of the additives or using feeds with more sulfur compounds. It was revealed that HP-mic alloy has the least coke deposition rate between other alloys. Scanning electron microscope (SEM) and energy dispersive X-ray analyzer (EDAX) were used for morphological and elemental surface analyses, respectively. It was found that cokes formed in presence of sulfurous inhibitors are softer and have less metal concentrations.</description><subject>alloy steels</subject><subject>Austenitic stainless steels</subject><subject>Carbon disulfide</subject><subject>Coke</subject><subject>coke formation</subject><subject>coke inhibitor</subject><subject>Dimethyl</subject><subject>dimethyl disulfide</subject><subject>Inhibitors</subject><subject>Naphtha</subject><subject>Reduction</subject><subject>Scanning electron microscopy</subject><subject>sulfur compounds</subject><subject>thermal cracking</subject><issn>1542-6580</issn><issn>1542-6580</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNpNkDtPwzAURi0EEqWwMntjSrFjJ3HGEtEHqni1nS0nsYlpEhfbkei_J6GoYrrfvTrfHQ4AtxhNwhCF9ziiYRBHrF8JomdgdDqc_8uX4Mq5T4RwGkV4BGxmdhLOjG2E16aF77Lsit-kW-grCddeigZmVhQ73X5Ao-Cz2Fe-ErBnlm3ZOW-1qOG0rs1hoGXt4NYN7LqrVWeDB-Fk2aOVzrU31l2DCyVqJ2_-5hhsZ4-bbBGsXubLbLoKCoJSH-SCipwgglXMYlUmoozTlOEcM0YxTSljDMU5zhXFREYkIiQhZZgqWrCYKJaQMbg7_t1b89VJ53mjXSHrWrTSdI4nLAkTzFDUk5MjWVjjnJWK761uhD1wjPjglg_6-KCPD277QnAsaOfl94kWdsfjhCQRf9tQvngilMZzwl_JD8uNeiM</recordid><startdate>20100817</startdate><enddate>20100817</enddate><creator>Salari, Darioush</creator><creator>Niaei, Aligholi</creator><creator>Shoja, Mohammad Reza</creator><creator>Nabavi, Reza</creator><general>De Gruyter</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>20100817</creationdate><title>Coke Formation Reduction in the Steam Cracking of Naphtha on Industrial Alloy Steels Using Sulfur-Based Inhibitors</title><author>Salari, Darioush ; Niaei, Aligholi ; Shoja, Mohammad Reza ; Nabavi, Reza</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c309t-ba4ab3031f686fd7ad69981b1884149488806b1bf413e5353373d29f4c863f873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>alloy steels</topic><topic>Austenitic stainless steels</topic><topic>Carbon disulfide</topic><topic>Coke</topic><topic>coke formation</topic><topic>coke inhibitor</topic><topic>Dimethyl</topic><topic>dimethyl disulfide</topic><topic>Inhibitors</topic><topic>Naphtha</topic><topic>Reduction</topic><topic>Scanning electron microscopy</topic><topic>sulfur compounds</topic><topic>thermal cracking</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Salari, Darioush</creatorcontrib><creatorcontrib>Niaei, Aligholi</creatorcontrib><creatorcontrib>Shoja, Mohammad Reza</creatorcontrib><creatorcontrib>Nabavi, Reza</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of chemical reactor engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Salari, Darioush</au><au>Niaei, Aligholi</au><au>Shoja, Mohammad Reza</au><au>Nabavi, Reza</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coke Formation Reduction in the Steam Cracking of Naphtha on Industrial Alloy Steels Using Sulfur-Based Inhibitors</atitle><jtitle>International journal of chemical reactor engineering</jtitle><date>2010-08-17</date><risdate>2010</risdate><volume>8</volume><issue>1</issue><spage>2304</spage><epage>2304</epage><pages>2304-2304</pages><issn>1542-6580</issn><eissn>1542-6580</eissn><abstract>Coke formation reduction during naphtha pyrolysis was investigated using dimethyl disulfide (DMDS) and carbon disulfide (CS2) as inhibitors with different feed stocks. Different industrial nickel alloy steels such as stainless steel 304 and 316 (SS304, SS316), HP-modified (HP-mod) and HP-micro (HP-mic) were used as coupons in a quartz cylindrical reactor for coke formation studies. Coke formation significantly reduced in the presence of the additives or using feeds with more sulfur compounds. It was revealed that HP-mic alloy has the least coke deposition rate between other alloys. Scanning electron microscope (SEM) and energy dispersive X-ray analyzer (EDAX) were used for morphological and elemental surface analyses, respectively. It was found that cokes formed in presence of sulfurous inhibitors are softer and have less metal concentrations.</abstract><pub>De Gruyter</pub><doi>10.2202/1542-6580.2304</doi><tpages>1</tpages></addata></record> |
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| source | De Gruyter journals |
| subjects | alloy steels Austenitic stainless steels Carbon disulfide Coke coke formation coke inhibitor Dimethyl dimethyl disulfide Inhibitors Naphtha Reduction Scanning electron microscopy sulfur compounds thermal cracking |
| title | Coke Formation Reduction in the Steam Cracking of Naphtha on Industrial Alloy Steels Using Sulfur-Based Inhibitors |
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