Effects of Moisture on NH3 Capture Using Activated Carbon and Acidic Porous Polymer Modified by Impregnation with H3PO4: Sorbent Material Characterized by Synchrotron XRPD and FT-IR
The performances of reactive adsorbents, H3PO4/C (activated carbon) and H3PO4/A (Amberlyst 35), in removing NH3 from a waste-gas stream were investigated using a breakthrough column. Accelerated aging tests investigated the effects of the water content on the performance of the adsorbents. Results o...
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| Veröffentlicht in: | Materials 2022-01, Vol.15 (3), p.784 |
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| description | The performances of reactive adsorbents, H3PO4/C (activated carbon) and H3PO4/A (Amberlyst 35), in removing NH3 from a waste-gas stream were investigated using a breakthrough column. Accelerated aging tests investigated the effects of the water content on the performance of the adsorbents. Results of breakthrough tests show that the adsorption capacity greatly decreased with the drying time of H3PO4/C preparation. Synchrotron XRPD indicated increased amorphous phosphorus species formation with drying time. Nitrogen adsorption-desorption isotherms results further suggested that the evaporation of water accommodated in macropores decreases adsorption capacity besides the formation of the amorphous species. Introducing water moisture to the NH3 stream increases the adsorption capacity concomitant with the conversion of some NH4H2PO4 to (NH4)2HPO4. Due to the larger pore of cylindrical type and more hydrophilic for acidic porous polymer support, as opposed to slit-type for the activated carbon, the adsorption capacity of H3PO4/A is about 3.4 times that of H3PO4/C. XRPD results suggested that NH3 reacts with aqueous H3PO4 to form NH4H2PO4, and no significant macropore-water evaporation was observed when acidic porous polymer support was used, as evidenced by N2 isotherms characterizing used H3PO4/A. |
| doi_str_mv | 10.3390/ma15030784 |
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Accelerated aging tests investigated the effects of the water content on the performance of the adsorbents. Results of breakthrough tests show that the adsorption capacity greatly decreased with the drying time of H3PO4/C preparation. Synchrotron XRPD indicated increased amorphous phosphorus species formation with drying time. Nitrogen adsorption-desorption isotherms results further suggested that the evaporation of water accommodated in macropores decreases adsorption capacity besides the formation of the amorphous species. Introducing water moisture to the NH3 stream increases the adsorption capacity concomitant with the conversion of some NH4H2PO4 to (NH4)2HPO4. Due to the larger pore of cylindrical type and more hydrophilic for acidic porous polymer support, as opposed to slit-type for the activated carbon, the adsorption capacity of H3PO4/A is about 3.4 times that of H3PO4/C. XRPD results suggested that NH3 reacts with aqueous H3PO4 to form NH4H2PO4, and no significant macropore-water evaporation was observed when acidic porous polymer support was used, as evidenced by N2 isotherms characterizing used H3PO4/A.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma15030784</identifier><identifier>PMID: 35160732</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Accelerated aging tests ; Acids ; Activated carbon ; Adsorbents ; Adsorption ; Alumina ; Ammonia ; Ammonium dihydrogen phosphate ; Biodegradation ; Drying ; Evaporation ; Fertilizers ; Gas streams ; Isotherms ; Moisture content ; Particle size ; Polymers ; Radiation ; Sorbents ; Spectrum analysis ; Synchrotrons ; X-rays ; Zeolites</subject><ispartof>Materials, 2022-01, Vol.15 (3), p.784</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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Accelerated aging tests investigated the effects of the water content on the performance of the adsorbents. Results of breakthrough tests show that the adsorption capacity greatly decreased with the drying time of H3PO4/C preparation. Synchrotron XRPD indicated increased amorphous phosphorus species formation with drying time. Nitrogen adsorption-desorption isotherms results further suggested that the evaporation of water accommodated in macropores decreases adsorption capacity besides the formation of the amorphous species. Introducing water moisture to the NH3 stream increases the adsorption capacity concomitant with the conversion of some NH4H2PO4 to (NH4)2HPO4. Due to the larger pore of cylindrical type and more hydrophilic for acidic porous polymer support, as opposed to slit-type for the activated carbon, the adsorption capacity of H3PO4/A is about 3.4 times that of H3PO4/C. XRPD results suggested that NH3 reacts with aqueous H3PO4 to form NH4H2PO4, and no significant macropore-water evaporation was observed when acidic porous polymer support was used, as evidenced by N2 isotherms characterizing used H3PO4/A.</description><subject>Accelerated aging tests</subject><subject>Acids</subject><subject>Activated carbon</subject><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Alumina</subject><subject>Ammonia</subject><subject>Ammonium dihydrogen phosphate</subject><subject>Biodegradation</subject><subject>Drying</subject><subject>Evaporation</subject><subject>Fertilizers</subject><subject>Gas streams</subject><subject>Isotherms</subject><subject>Moisture content</subject><subject>Particle size</subject><subject>Polymers</subject><subject>Radiation</subject><subject>Sorbents</subject><subject>Spectrum analysis</subject><subject>Synchrotrons</subject><subject>X-rays</subject><subject>Zeolites</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdUltq3DAUFaWlCWl-ugJBf0rBrWTJevSjENwkM5A0Qx7QPyHL0oyCbU0kO2W6mqyiC-jKqsmEvgTi3Cudc3SvuAC8xug9IRJ96DWuEEFc0GdgH0vJCiwpff5XvAcOU7pFeRGCRSlfgj1SYYY4KffBj2PnrBkTDA6eB5_GKVoYBvhlRn4-1Hr9mN8kPyzhkRn9vR5tC2sdm8zRQ5sPfesNXIQYppSh2_Q2ZqfWO5-ZzQbO-3W0y0GPPku--XEFZ2RxQT_CqxAbO4zwPHtGrztYr3TUZpt830mvNoNZxTDGrPx6ufj8-OLJdTG_fAVeON0le_iEB-Dm5Pi6nhVnF6fz-uisMKUUtOCcaYSkYNgg4aSUhktGRcVFo8sG2wxYc-GslE40jLqq5RZzViIqm4pacgA-7XzXU9Pb1uR6o-7UOvpex40K2qt_bwa_Ustwr4QgTPAqG7x9MojhbrJpVL1PxnadHmz-MVWyUqK8S5qpb_6j3oYpDrm9LSu3ggnbGr7bsUwMKUXrfheDkdpOhPozEeQXOsaoNg</recordid><startdate>20220120</startdate><enddate>20220120</enddate><creator>Hsieh, Chu-Chin</creator><creator>Tsai, Jyong-Sian</creator><creator>Chang, Jen-Ray</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</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><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-8955-4314</orcidid><orcidid>https://orcid.org/0000-0002-5026-2629</orcidid></search><sort><creationdate>20220120</creationdate><title>Effects of Moisture on NH3 Capture Using Activated Carbon and Acidic Porous Polymer Modified by Impregnation with H3PO4: Sorbent Material Characterized by Synchrotron XRPD and FT-IR</title><author>Hsieh, Chu-Chin ; Tsai, Jyong-Sian ; Chang, Jen-Ray</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2984-776a009861c08f999c79648578ba2b1e8ba1a78fe99f8b64f5d7e1762049b54e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Accelerated aging tests</topic><topic>Acids</topic><topic>Activated carbon</topic><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Alumina</topic><topic>Ammonia</topic><topic>Ammonium dihydrogen phosphate</topic><topic>Biodegradation</topic><topic>Drying</topic><topic>Evaporation</topic><topic>Fertilizers</topic><topic>Gas streams</topic><topic>Isotherms</topic><topic>Moisture content</topic><topic>Particle size</topic><topic>Polymers</topic><topic>Radiation</topic><topic>Sorbents</topic><topic>Spectrum analysis</topic><topic>Synchrotrons</topic><topic>X-rays</topic><topic>Zeolites</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hsieh, Chu-Chin</creatorcontrib><creatorcontrib>Tsai, Jyong-Sian</creatorcontrib><creatorcontrib>Chang, Jen-Ray</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hsieh, Chu-Chin</au><au>Tsai, Jyong-Sian</au><au>Chang, Jen-Ray</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Moisture on NH3 Capture Using Activated Carbon and Acidic Porous Polymer Modified by Impregnation with H3PO4: Sorbent Material Characterized by Synchrotron XRPD and FT-IR</atitle><jtitle>Materials</jtitle><date>2022-01-20</date><risdate>2022</risdate><volume>15</volume><issue>3</issue><spage>784</spage><pages>784-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>The performances of reactive adsorbents, H3PO4/C (activated carbon) and H3PO4/A (Amberlyst 35), in removing NH3 from a waste-gas stream were investigated using a breakthrough column. Accelerated aging tests investigated the effects of the water content on the performance of the adsorbents. Results of breakthrough tests show that the adsorption capacity greatly decreased with the drying time of H3PO4/C preparation. Synchrotron XRPD indicated increased amorphous phosphorus species formation with drying time. Nitrogen adsorption-desorption isotherms results further suggested that the evaporation of water accommodated in macropores decreases adsorption capacity besides the formation of the amorphous species. Introducing water moisture to the NH3 stream increases the adsorption capacity concomitant with the conversion of some NH4H2PO4 to (NH4)2HPO4. Due to the larger pore of cylindrical type and more hydrophilic for acidic porous polymer support, as opposed to slit-type for the activated carbon, the adsorption capacity of H3PO4/A is about 3.4 times that of H3PO4/C. XRPD results suggested that NH3 reacts with aqueous H3PO4 to form NH4H2PO4, and no significant macropore-water evaporation was observed when acidic porous polymer support was used, as evidenced by N2 isotherms characterizing used H3PO4/A.</abstract><cop>Basel</cop><pub>MDPI AG</pub><pmid>35160732</pmid><doi>10.3390/ma15030784</doi><orcidid>https://orcid.org/0000-0001-8955-4314</orcidid><orcidid>https://orcid.org/0000-0002-5026-2629</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Accelerated aging tests Acids Activated carbon Adsorbents Adsorption Alumina Ammonia Ammonium dihydrogen phosphate Biodegradation Drying Evaporation Fertilizers Gas streams Isotherms Moisture content Particle size Polymers Radiation Sorbents Spectrum analysis Synchrotrons X-rays Zeolites |
| title | Effects of Moisture on NH3 Capture Using Activated Carbon and Acidic Porous Polymer Modified by Impregnation with H3PO4: Sorbent Material Characterized by Synchrotron XRPD and FT-IR |
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