{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T00:21:29Z","timestamp":1773015689067,"version":"3.50.1"},"reference-count":61,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2023,1,3]],"date-time":"2023-01-03T00:00:00Z","timestamp":1672704000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003093","name":"Ministry of Higher Education","doi-asserted-by":"publisher","award":["FRGS\/1\/2020\/TK0\/UKM\/02\/4"],"award-info":[{"award-number":["FRGS\/1\/2020\/TK0\/UKM\/02\/4"]}],"id":[{"id":"10.13039\/501100003093","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003093","name":"Ministry of Higher Education","doi-asserted-by":"publisher","award":["DPK-2020-009"],"award-info":[{"award-number":["DPK-2020-009"]}],"id":[{"id":"10.13039\/501100003093","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003093","name":"Ministry of Higher Education","doi-asserted-by":"publisher","award":["PP-FKAB-2022"],"award-info":[{"award-number":["PP-FKAB-2022"]}],"id":[{"id":"10.13039\/501100003093","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Universiti Kebangsaan Malaysia","award":["FRGS\/1\/2020\/TK0\/UKM\/02\/4"],"award-info":[{"award-number":["FRGS\/1\/2020\/TK0\/UKM\/02\/4"]}]},{"name":"Universiti Kebangsaan Malaysia","award":["DPK-2020-009"],"award-info":[{"award-number":["DPK-2020-009"]}]},{"name":"Universiti Kebangsaan Malaysia","award":["PP-FKAB-2022"],"award-info":[{"award-number":["PP-FKAB-2022"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Metal-based adsorbents with varying active phase loadings were synthesized to capture hydrogen sulfide (H2S) from a biogas mimic system. The adsorption\u2013desorption cycles were implemented to ascertain the H2S captured. All prepared adsorbents were evaluated by nitrogen adsorption, Brunauer\u2013Emmett\u2013Teller surface area analysis, scanning electron microscopy\u2013energy-dispersive X-ray spectroscopy, and Fourier transform infrared spectroscopy. From the results, modified adsorbents, dual chemical mixture (DCM) and a core\u2013shell (CS) had the highest H2S adsorption performance with a range of 0.92\u20131.80 mg H2S\/g. After several cycles of heat\/N2 regeneration, the total H2S adsorption capacity of the DCM adsorbent decreased by 62.1%, whereas the CS adsorbent decreased by only 25%. Meanwhile, the proposed behavioral model for H2S adsorption\u2013desorption was validated effectively using various analyses throughout the three cycles of adsorption\u2013desorption samples. Moreover, as in this case, the ZnAc2\/ZnO\/CAC_OS adsorbents show outstanding performances with 30 cycles of adsorption\u2013desorption compared to only 12 cycles of ZnAc2\/ZnO\/CAC_DCM. Thus, this research paper will provide fresh insights into adsorption\u2013desorption behavior through the best adsorbents\u2019 development and the adsorbents\u2019 capability at the highest number of adsorption\u2013desorption cycles.<\/jats:p>","DOI":"10.3390\/ma16010462","type":"journal-article","created":{"date-parts":[[2023,1,4]],"date-time":"2023-01-04T02:54:55Z","timestamp":1672800895000},"page":"462","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Adsorption\u2013Desorption Behavior of Hydrogen Sulfide Capture on a Modified Activated Carbon Surface"],"prefix":"10.3390","volume":"16","author":[{"given":"Nurul Noramelya","family":"Zulkefli","sequence":"first","affiliation":[{"name":"Department of Chemical & Process Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adam Mohd Izhan","family":"Noor Azam","sequence":"additional","affiliation":[{"name":"Fuel Cell Institute, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5714-7415","authenticated-orcid":false,"given":"Mohd Shahbudin","family":"Masdar","sequence":"additional","affiliation":[{"name":"Department of Chemical & Process Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"},{"name":"Fuel Cell Institute, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"},{"name":"Research Center for Sustainable Process Technology (CESPRO), Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1051-3120","authenticated-orcid":false,"given":"Wan Nor Roslam Wan","family":"Isahak","sequence":"additional","affiliation":[{"name":"Department of Chemical & Process Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"},{"name":"Research Center for Sustainable Process Technology (CESPRO), Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,1,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3152","DOI":"10.1021\/ie901223j","article-title":"Role of pore structure of activated carbon fibers in the catalytic oxidation of H2S","volume":"49","author":"Chen","year":"2010","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"22133","DOI":"10.1021\/acs.iecr.9b03800","article-title":"Removal of hydrogen sulfide from gas streams using porous materials: A review","volume":"58","author":"Khabazipour","year":"2019","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"7848","DOI":"10.1039\/D1SC00691F","article-title":"Biocompatible metal\u2013organic frameworks for the storage and therapeutic delivery of hydrogen sulfide","volume":"12","author":"Chen","year":"2021","journal-title":"Chem. Sci."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"2907","DOI":"10.1016\/j.rser.2012.02.005","article-title":"Economic and environmental benefits of landfill gas from municipal solid waste in Malaysia","volume":"16","author":"Johari","year":"2012","journal-title":"Renew. Sustain. Energy Rev."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"204","DOI":"10.1016\/j.cattod.2020.05.064","article-title":"Chemistry of H2S over the surface of common solid sorbents in industrial natural gas desulfurization","volume":"371","author":"Watanabe","year":"2020","journal-title":"Catal. Today"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"378","DOI":"10.1016\/j.ijggc.2016.07.029","article-title":"Rate of CO2 transfer to loaded MEA solutions using a membrane contactor device","volume":"52","author":"Comite","year":"2016","journal-title":"Int. J. Greenh. Gas Control"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1016\/j.ijggc.2017.10.014","article-title":"Exploring CO2 capture from pressurized industrial gaseous effluents in a membrane contactor-based pilot plant","volume":"67","author":"Comite","year":"2017","journal-title":"Int. J. Greenh. Gas Control"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"8413","DOI":"10.1021\/acs.energyfuels.9b01983","article-title":"Absorption and removal efficiency of low-partial-pressure H2S in a tetramethylammonium glycinate activated N-methyldiethanolamine aqueous solution","volume":"33","author":"Tian","year":"2019","journal-title":"Energy Fuels"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"1402","DOI":"10.1021\/acs.iecr.9b02531","article-title":"Removal of hydrogen sulfide by hydroxyl-ferric oxide in a slurry reactor at low temperature","volume":"59","author":"Wang","year":"2020","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_10","doi-asserted-by":"crossref","unstructured":"Okoro, O.V., and Sun, Z. (2019). Desulphurisation of biogas: A systematic qualitative and economic-based quantitative review of alternative strategies. Chem. Eng., 3.","DOI":"10.3390\/chemengineering3030076"},{"key":"ref_11","doi-asserted-by":"crossref","unstructured":"Georgiadis, A.G., Charisiou, N.D., and Goula, M.A. (2020). Removal of hydrogen sulfide from various industrial gases: A review of the most promising adsorbing materials. Catalysts, 10.","DOI":"10.3390\/catal10050521"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"392","DOI":"10.1016\/j.cej.2017.05.008","article-title":"Isoreticular rare earth fcu-MOFs for the selective removal of H2S from CO2 containing gases","volume":"324","author":"Bhatt","year":"2017","journal-title":"Chem. Eng. J."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"8775","DOI":"10.1021\/ja901587t","article-title":"Comparative study of hydrogen sulfide adsorption in the MIL-53(Al, Cr, Fe), MIL-47(V), MIL-100(Cr), and MIL-101(Cr) metalorganic frameworks at room temperature","volume":"131","author":"Hamon","year":"2009","journal-title":"J. Am. Chem. Soc."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"3678","DOI":"10.1002\/cphc.201000689","article-title":"Hydrogen sulfide adsorption on MOFs and MOF\/graphite oxide composites","volume":"11","author":"Petit","year":"2010","journal-title":"ChemPhysChem"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"1533","DOI":"10.1080\/00986445.2019.1601627","article-title":"Adsorption of hydrogen sulfide, carbon dioxide, methane, and their mixtures on activated carbon","volume":"206","author":"Meneguin","year":"2019","journal-title":"Chem. Eng. Commun."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"724","DOI":"10.1021\/cr2003272","article-title":"Carbon dioxide capture by metal organic frameworks","volume":"112","author":"Sumida","year":"2012","journal-title":"Chem. Rev."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"380","DOI":"10.1016\/0021-9797(75)90213-1","article-title":"Infrared spectroscopic study of the adsorption of hydrogen sulfide on zeolites NaA and NaCaA","volume":"52","author":"Forster","year":"1975","journal-title":"J. Colloid Interface Sci."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"353","DOI":"10.1006\/jcat.2002.3533","article-title":"Modification of the acidic properties of NaY zeolite by H2S Adsorption\u2014An infrared study","volume":"207","author":"Gaillard","year":"2002","journal-title":"J. Catal."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1016\/j.ces.2012.11.024","article-title":"High-pressure separation of CH4\/CO2 using activated carbon","volume":"89","author":"Grande","year":"2013","journal-title":"Chem. Eng. Sci."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1016\/j.apsusc.2016.09.161","article-title":"Equilibrium CO2 adsorption on zeolite 13X prepared from natural clays","volume":"393","author":"Garshasbi","year":"2017","journal-title":"Appl. Surf. Sci."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1007\/s10450-008-9113-1","article-title":"Development of a new apparatus for gas mixture adsorption measurements coupling gravimetric and chromatographic techniques","volume":"14","author":"Hamon","year":"2008","journal-title":"Adsorption"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1016\/j.ijggc.2008.10.003","article-title":"Adsorption of carbon dioxide using impregnated activated carbon promoted by zinc","volume":"3","author":"Somy","year":"2009","journal-title":"Int. J. Greenh. Gas Control"},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"1075","DOI":"10.1007\/s10450-013-9532-5","article-title":"Carbon dioxide and methane adsorption at high pressure on activated carbon materials","volume":"19","author":"Vargas","year":"2013","journal-title":"Adsorption"},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/j.cej.2018.04.188","article-title":"Controllable synthesis of bifunctional porous carbon for efficient gas-mixture separation and high-performance supercapacitor","volume":"348","author":"Wang","year":"2018","journal-title":"Chem. Eng. J."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"963","DOI":"10.1016\/j.cej.2018.08.219","article-title":"A new choice of polymer precursor for solvent-free method: Preparation of Nenriched porous carbons for highly selective CO2 capture","volume":"355","author":"Zhang","year":"2019","journal-title":"Chem. Eng. J."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"360","DOI":"10.1006\/jcis.1999.6335","article-title":"Bandosz, Effect of pH and surface chemistry on the mechanism of H2S removal by activated carbons","volume":"216","author":"Adib","year":"1999","journal-title":"J. Colloid Interface Sci."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"483","DOI":"10.1016\/S0008-6223(98)00217-6","article-title":"Effect of pore structure and surface chemistry of virgin activated carbons on removal of hydrogen sulfide","volume":"37","author":"Bandosz","year":"1999","journal-title":"Carbon"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"1897","DOI":"10.1016\/S0008-6223(00)00317-1","article-title":"pH of activated carbon surface as an indication of its suitability for H2S removal from moist air streams","volume":"39","author":"Bagreev","year":"2001","journal-title":"Carbon"},{"key":"ref_29","doi-asserted-by":"crossref","unstructured":"Zulkefli, N.N., Masdar, M.S., Wan Isahak, W.N.R., Md Jahim, J., Md Rejab, S.A., and Chien Lye, C. (2019). Removal of hydrogen sulfide from a biogas mimic by using impregnated activated carbon adsorbent. PLoS ONE, 14.","DOI":"10.1371\/journal.pone.0211713"},{"key":"ref_30","doi-asserted-by":"crossref","unstructured":"Zulkefli, N.N., Mathuray Veeran, L.S., Noor Azam, A.M.I., Masdar, M.S., and Wan Isahak, W.N.R. (2022). Effect of Bimetallic-Activated Carbon Impregnation on Adsorption\u2013 Desorption Performance for Hydrogen Sulfide (H2S) Capture. Materials, 15.","DOI":"10.3390\/ma15155409"},{"key":"ref_31","doi-asserted-by":"crossref","unstructured":"Zulkefli, N.N., Seladorai, R., Masdar, M.S., Mohd Sofian, N., and Wan Isahak, W.N.R. (2022). Core Shell Nanostructure: Impregnated Activated Carbon as Adsorbent for Hydrogen Sulfide Adsorption. Molecules, 27.","DOI":"10.3390\/molecules27031145"},{"key":"ref_32","doi-asserted-by":"crossref","unstructured":"Zulkefli, N.N., Masdar, M.S., Wan Isahak, W.N.R., Abu Bakar, S.N.H., Abu Hasan, H., and Mohd Sofian, N. (2021). Application of Response Surface Methodology for Preparation of ZnAC2\/CAC Adsorbents for Hydrogen Sulfide (H2S) Capture. Catalysts, 11.","DOI":"10.3390\/catal11050545"},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"4460","DOI":"10.1021\/es0205840","article-title":"Kinetics and mechanisms of H2S adsorption by alkaline activated carbon","volume":"36","author":"Yan","year":"2002","journal-title":"Environ. Sci. Technol."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"903","DOI":"10.1081\/SS-100100200","article-title":"Adsorption characteristics of alkaline activated carbon exemplified by water vapor, H2S, and CH3SH gas","volume":"35","author":"Chiang","year":"2000","journal-title":"Sep. Sci. Technol."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"316","DOI":"10.1021\/es0303992","article-title":"Influence of surface properties on the mechanism of H2S removal by alkaline activated carbons","volume":"38","author":"Yan","year":"2004","journal-title":"Environ. Sci. Technol."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1080\/713746656","article-title":"Adsorption of Hydrogen Sulfide by Zinc-Containing Activated carbon","volume":"82","author":"Nakamura","year":"2002","journal-title":"Toxicol. Environ. Chem."},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"354","DOI":"10.1080\/01496395.2013.841240","article-title":"Effect of KI and KOH Impregnations over Activated Carbon on H2S Adsorption Performance at Low and High Temperatures","volume":"49","author":"Sitthikhankaew","year":"2014","journal-title":"Sep. Sci. Technol."},{"key":"ref_38","doi-asserted-by":"crossref","unstructured":"Basyooni, M.A., Zaki, S.E., Alfryyan, N., Tihtih, M., Eker, Y.R., Attia, G.F., Y\u0131lmaz, M., Ates, S., and Shaban, M. (2022). Nanostructured MoS2 and WS2 Photoresponses under Gas Stimuli. Nanomaterials, 12.","DOI":"10.3390\/nano12203585"},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"41716","DOI":"10.1038\/srep41716","article-title":"Enhanced Gas Sensing Properties of Spin-coated Na-doped ZnO Nanostructured Films","volume":"7","author":"Basyooni","year":"2016","journal-title":"Sci. Rep."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"1999","DOI":"10.1016\/S0008-6223(03)00210-0","article-title":"Adsorption of H2S or SO2 on an activated carbon cloth modified by ammonia treatment","volume":"41","author":"Boudou","year":"2003","journal-title":"Carbon"},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"866","DOI":"10.1016\/j.jhazmat.2006.01.025","article-title":"Effect of moisture on H2S adsorption by copper impregnated activated carbon","volume":"136","author":"Huang","year":"2006","journal-title":"J. Hazard. Mater."},{"key":"ref_42","first-page":"3414","article-title":"Impregnated carbon\u2013ionic liquid as innovative adsorbent for H2 \/CO2 separation from biohydrogen","volume":"44","author":"Masdar","year":"2018","journal-title":"Int. J. Hydrog. Energy"},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"1021","DOI":"10.1590\/0104-6632.20160334s20150164","article-title":"Investigation of Impregnated Activated Carbon Properties Used in Hydrogen Sulfide Fine Removal","volume":"33","year":"2016","journal-title":"Braz. J. Chem. Eng."},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"1051","DOI":"10.1515\/pac-2014-1117","article-title":"Physisorption of gases, with special reference to the evaluation of surface area and pore size distribution (IUPAC technical report)","volume":"87","author":"Thommes","year":"2015","journal-title":"Pure Appl. Chem."},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"6678","DOI":"10.1021\/acs.energyfuels.5b01696","article-title":"Characterization and Mechanisms of H2S and SO2 Adsorption by Activated Carbon","volume":"29","author":"Shi","year":"2015","journal-title":"Energy Fuels"},{"key":"ref_46","doi-asserted-by":"crossref","unstructured":"Yu, T., Chen, Z., Liu, Z., Xu, J., and Wang, Y. (2022). Review of Hydrogen Sulfide Removal from Various Industrial Gases by Zeolites. Separations, 9.","DOI":"10.3390\/separations9090229"},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"74","DOI":"10.1016\/j.fuel.2015.09.047","article-title":"Production of 2,5-dimethylfuran from 5-hydroxymethylfurfural over reduced graphene oxides supported Pt catalyst under mild conditions","volume":"163","author":"Shi","year":"2016","journal-title":"Fuel"},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"110751","DOI":"10.1016\/j.micromeso.2020.110751","article-title":"Influence of surface modification on selective CO2 adsorption: A technical review on mechanisms and methods","volume":"312","author":"Petrovic","year":"2021","journal-title":"Microporous Mesoporous Mater."},{"key":"ref_49","doi-asserted-by":"crossref","first-page":"488","DOI":"10.1021\/ef501790e","article-title":"Effect of activated carbon supports on removing H2S from coal-based gases using Mn-based sorbents","volume":"29","author":"Wang","year":"2015","journal-title":"Energy Fuels"},{"key":"ref_50","first-page":"281","article-title":"Sol-Gel Synthesis of Zinc Oxide (ZnO) Nanoparticles: Study of Structural and Optical Properties","volume":"26","author":"Jurablu","year":"2015","journal-title":"J. Sci."},{"key":"ref_51","first-page":"775","article-title":"Production and applications of activated carbons as adsorbents from olive stones. Biomass- Convers","volume":"9","author":"Saleem","year":"2019","journal-title":"Biorefinery"},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"7124","DOI":"10.1021\/acs.energyfuels.5b01909","article-title":"Regeneration of Fe\u2013Zn\u2013Cu Sorbents Supported on Activated Lignite Char for the Desulfurization of Coke Oven Gas","volume":"29","author":"Feng","year":"2015","journal-title":"Energy Fuels"},{"key":"ref_53","first-page":"590857","article-title":"FTIR and Raman Spectral Research on Metamorphism and Deformation of Coal","volume":"2012","author":"Li","year":"2012","journal-title":"J. Geol. Res."},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"839","DOI":"10.1016\/j.matdes.2015.11.020","article-title":"3D graphene\/ZnO composite with enhanced photocatalytic activity","volume":"90","author":"Cai","year":"2016","journal-title":"Mater. Des."},{"key":"ref_55","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/j.matlet.2012.11.091","article-title":"Structural, FTIR and photoluminescence properties of ZnS:Cu thin films by chemical bath deposition method","volume":"93","author":"Muthukumaran","year":"2013","journal-title":"Mater. Lett."},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"29157","DOI":"10.1007\/s11356-021-12794-0","article-title":"An investigation on the relationship between physicochemical characteristics of alumina-supported cobalt catalyst and its performance in dry reforming of methane","volume":"28","author":"Khairudin","year":"2021","journal-title":"Environ. Sci. Pollut. Res."},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"203","DOI":"10.4209\/aaqr.2019.10.0520","article-title":"Efficient adsorption of hydrogen sulfide at room temperature using fumed silica-supported deep eutectic solvents","volume":"20","author":"Mao","year":"2020","journal-title":"Aerosol. Air Qual. Res."},{"key":"ref_58","doi-asserted-by":"crossref","first-page":"276","DOI":"10.1016\/j.fuproc.2014.07.032","article-title":"Amine modified silica xerogel for H2S removal at low temperature","volume":"128","author":"Jaiboon","year":"2014","journal-title":"Fuel Process. Technol."},{"key":"ref_59","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1177\/0263617416653122","article-title":"Synthesis and characterization of MnxOy\u2013ZnxOy\/AC adsorbents for adsorptive removal of H2S from natural gas","volume":"34","author":"Zhang","year":"2016","journal-title":"Adsorpt. Sci. Technol."},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1016\/j.fuproc.2015.08.015","article-title":"Use of zeolites for the removal of H2S: A mini-review","volume":"139","author":"Ozekmekci","year":"2015","journal-title":"Fuel Processing Technol."},{"key":"ref_61","doi-asserted-by":"crossref","first-page":"41","DOI":"10.17576\/jkukm-2018-si1(2)-05","article-title":"Integrasi Sistem Penulenan Biohidrogen dan Aplikasi Sel Fuel","volume":"1","author":"Sidek","year":"2018","journal-title":"J. Kejuruter."}],"container-title":["Materials"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1996-1944\/16\/1\/462\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T17:58:02Z","timestamp":1760119082000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1996-1944\/16\/1\/462"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,1,3]]},"references-count":61,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2023,1]]}},"alternative-id":["ma16010462"],"URL":"https:\/\/doi.org\/10.3390\/ma16010462","relation":{},"ISSN":["1996-1944"],"issn-type":[{"value":"1996-1944","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,1,3]]}}}