Two-Dimensional Layered Double Hydroxide Derived from Vermiculite Waste Water Supported Highly Dispersed Ni Nanoparticles for CO Methanation
Expanded multilayered vermiculite (VMT) was successfully used as catalyst support and Ni/VMT synthesized by microwave irradiation assisted synthesis (MIAS) exhibited excellent performance in our previous work. We also developed a two-dimensional porous SiO2 nanomesh (2D VMT-SiO2) by mixed-acid etchi...
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creator | Li, Panpan Zhu, Mingyuan Tian, Zhiqun Han, Yang Zhang, Yu Zhou, Tuantuan Kang, Lihua Dan, Jianming Guo, Xuhong Yu, Feng Wang, Qiang Dai, Bin |
description | Expanded multilayered vermiculite (VMT) was successfully used as catalyst support and Ni/VMT synthesized by microwave irradiation assisted synthesis (MIAS) exhibited excellent performance in our previous work. We also developed a two-dimensional porous SiO2 nanomesh (2D VMT-SiO2) by mixed-acid etching of VMT. Compared with three-dimensional (3D) MCM-41, 2D VMT-SiO2 as a catalyst support provided a superior position for implantation of NiO species and the as-obtained catalyst exhibited excellent performance. In this paper, we successfully synthesized a layered double hydroxide (LDH) using the spent liquor after mixed-acid etching of VMT, which mainly contained Mg2+ and Al3+. The as-calcined layered double oxide (LDO) was used as a catalyst support for CO methanation. Compared with Ni/MgAl-LDO, Ni/VMT-LDO had smaller active component particles; therefore, in this study, it exhibited excellent catalytic performance over the whole temperature range of 250–500 °C. Ni/VMT-LDO achieved the best activity with 87.88% CO conversion, 89.97% CH4 selectivity, and 12.47 × 10−2·s−1 turn over frequency (TOF) at 400 °C under a gas hourly space velocity of 20,000 mL/g/h. This study demonstrated that VMT-LDO as a catalyst support provided an efficient way to develop high-performance catalysts for synthetic natural gas (SNG) from syngas. |
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We also developed a two-dimensional porous SiO2 nanomesh (2D VMT-SiO2) by mixed-acid etching of VMT. Compared with three-dimensional (3D) MCM-41, 2D VMT-SiO2 as a catalyst support provided a superior position for implantation of NiO species and the as-obtained catalyst exhibited excellent performance. In this paper, we successfully synthesized a layered double hydroxide (LDH) using the spent liquor after mixed-acid etching of VMT, which mainly contained Mg2+ and Al3+. The as-calcined layered double oxide (LDO) was used as a catalyst support for CO methanation. Compared with Ni/MgAl-LDO, Ni/VMT-LDO had smaller active component particles; therefore, in this study, it exhibited excellent catalytic performance over the whole temperature range of 250–500 °C. Ni/VMT-LDO achieved the best activity with 87.88% CO conversion, 89.97% CH4 selectivity, and 12.47 × 10−2·s−1 turn over frequency (TOF) at 400 °C under a gas hourly space velocity of 20,000 mL/g/h. This study demonstrated that VMT-LDO as a catalyst support provided an efficient way to develop high-performance catalysts for synthetic natural gas (SNG) from syngas.</description><identifier>ISSN: 2073-4344</identifier><identifier>EISSN: 2073-4344</identifier><identifier>DOI: 10.3390/catal7030079</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Aluminum ; Catalysis ; Catalysts ; Chemical reactions ; Etching ; Hydroxides ; Implantation ; Methanation ; Nanoparticles ; Selectivity ; Silicon dioxide ; Spent liquors ; Substitute natural gas ; Synthesis gas ; Vermiculite ; Wastewater</subject><ispartof>Catalysts, 2017-03, Vol.7 (3), p.79</ispartof><rights>Copyright MDPI AG 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2169-d4c3ab9ccb85dbbef60215768dd121396c807c2ae93e201abc93b5b1b8ea9cdd3</citedby><cites>FETCH-LOGICAL-c2169-d4c3ab9ccb85dbbef60215768dd121396c807c2ae93e201abc93b5b1b8ea9cdd3</cites><orcidid>0000-0002-1792-8564 ; 0000-0001-6131-9662 ; 0000-0002-8140-8344</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Li, Panpan</creatorcontrib><creatorcontrib>Zhu, Mingyuan</creatorcontrib><creatorcontrib>Tian, Zhiqun</creatorcontrib><creatorcontrib>Han, Yang</creatorcontrib><creatorcontrib>Zhang, Yu</creatorcontrib><creatorcontrib>Zhou, Tuantuan</creatorcontrib><creatorcontrib>Kang, Lihua</creatorcontrib><creatorcontrib>Dan, Jianming</creatorcontrib><creatorcontrib>Guo, Xuhong</creatorcontrib><creatorcontrib>Yu, Feng</creatorcontrib><creatorcontrib>Wang, Qiang</creatorcontrib><creatorcontrib>Dai, Bin</creatorcontrib><title>Two-Dimensional Layered Double Hydroxide Derived from Vermiculite Waste Water Supported Highly Dispersed Ni Nanoparticles for CO Methanation</title><title>Catalysts</title><description>Expanded multilayered vermiculite (VMT) was successfully used as catalyst support and Ni/VMT synthesized by microwave irradiation assisted synthesis (MIAS) exhibited excellent performance in our previous work. We also developed a two-dimensional porous SiO2 nanomesh (2D VMT-SiO2) by mixed-acid etching of VMT. Compared with three-dimensional (3D) MCM-41, 2D VMT-SiO2 as a catalyst support provided a superior position for implantation of NiO species and the as-obtained catalyst exhibited excellent performance. In this paper, we successfully synthesized a layered double hydroxide (LDH) using the spent liquor after mixed-acid etching of VMT, which mainly contained Mg2+ and Al3+. The as-calcined layered double oxide (LDO) was used as a catalyst support for CO methanation. Compared with Ni/MgAl-LDO, Ni/VMT-LDO had smaller active component particles; therefore, in this study, it exhibited excellent catalytic performance over the whole temperature range of 250–500 °C. Ni/VMT-LDO achieved the best activity with 87.88% CO conversion, 89.97% CH4 selectivity, and 12.47 × 10−2·s−1 turn over frequency (TOF) at 400 °C under a gas hourly space velocity of 20,000 mL/g/h. This study demonstrated that VMT-LDO as a catalyst support provided an efficient way to develop high-performance catalysts for synthetic natural gas (SNG) from syngas.</description><subject>Aluminum</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Chemical reactions</subject><subject>Etching</subject><subject>Hydroxides</subject><subject>Implantation</subject><subject>Methanation</subject><subject>Nanoparticles</subject><subject>Selectivity</subject><subject>Silicon dioxide</subject><subject>Spent liquors</subject><subject>Substitute natural gas</subject><subject>Synthesis gas</subject><subject>Vermiculite</subject><subject>Wastewater</subject><issn>2073-4344</issn><issn>2073-4344</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpNkE1PwzAMhisEEtPYjR8QiSuFpOlXjmgFhjS2AwOOVT5clqltSpIC_Q_8aArjMB9sy370Wn6D4JzgK0oZvpbc8zrDFOOMHQWTCGc0jGkcHx_0p8HMuR0egxGak2QSfG8-TVjoBlqnTctrtOQDWFCoML2oAS0GZc2XVoAKsPpjXFTWNOgFbKNlX2sP6JW7v-zBoqe-64z1I7bQb9t6QIV2HVg3DlYarXhrOm69ljU4VBmL5mv0CH7LW-7H82fBScVrB7P_Og2e724380W4XN8_zG-WoYxIykIVS8oFk1LkiRICqhRHJMnSXCkSEcpSmeNMRhwYhQgTLiSjIhFE5MCZVIpOg4u9bmfNew_OlzvT2_F7V5I8ZziKEpqN1OWektY4Z6EqO6sbboeS4PLX8vLQcvoDFGB3RQ</recordid><startdate>20170307</startdate><enddate>20170307</enddate><creator>Li, Panpan</creator><creator>Zhu, Mingyuan</creator><creator>Tian, Zhiqun</creator><creator>Han, Yang</creator><creator>Zhang, Yu</creator><creator>Zhou, Tuantuan</creator><creator>Kang, Lihua</creator><creator>Dan, Jianming</creator><creator>Guo, Xuhong</creator><creator>Yu, Feng</creator><creator>Wang, Qiang</creator><creator>Dai, Bin</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><orcidid>https://orcid.org/0000-0002-1792-8564</orcidid><orcidid>https://orcid.org/0000-0001-6131-9662</orcidid><orcidid>https://orcid.org/0000-0002-8140-8344</orcidid></search><sort><creationdate>20170307</creationdate><title>Two-Dimensional Layered Double Hydroxide Derived from Vermiculite Waste Water Supported Highly Dispersed Ni Nanoparticles for CO Methanation</title><author>Li, Panpan ; 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We also developed a two-dimensional porous SiO2 nanomesh (2D VMT-SiO2) by mixed-acid etching of VMT. Compared with three-dimensional (3D) MCM-41, 2D VMT-SiO2 as a catalyst support provided a superior position for implantation of NiO species and the as-obtained catalyst exhibited excellent performance. In this paper, we successfully synthesized a layered double hydroxide (LDH) using the spent liquor after mixed-acid etching of VMT, which mainly contained Mg2+ and Al3+. The as-calcined layered double oxide (LDO) was used as a catalyst support for CO methanation. Compared with Ni/MgAl-LDO, Ni/VMT-LDO had smaller active component particles; therefore, in this study, it exhibited excellent catalytic performance over the whole temperature range of 250–500 °C. Ni/VMT-LDO achieved the best activity with 87.88% CO conversion, 89.97% CH4 selectivity, and 12.47 × 10−2·s−1 turn over frequency (TOF) at 400 °C under a gas hourly space velocity of 20,000 mL/g/h. This study demonstrated that VMT-LDO as a catalyst support provided an efficient way to develop high-performance catalysts for synthetic natural gas (SNG) from syngas.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/catal7030079</doi><orcidid>https://orcid.org/0000-0002-1792-8564</orcidid><orcidid>https://orcid.org/0000-0001-6131-9662</orcidid><orcidid>https://orcid.org/0000-0002-8140-8344</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Aluminum Catalysis Catalysts Chemical reactions Etching Hydroxides Implantation Methanation Nanoparticles Selectivity Silicon dioxide Spent liquors Substitute natural gas Synthesis gas Vermiculite Wastewater |
title | Two-Dimensional Layered Double Hydroxide Derived from Vermiculite Waste Water Supported Highly Dispersed Ni Nanoparticles for CO Methanation |
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