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Fund","award":["KIMST-20220128"],"award-info":[{"award-number":["KIMST-20220128"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>In this study, we prepared alginate composite hydrogel beads containing various compositions of biochar produced from pitch pine (Pinus rigida) for the removal of Cu2+ and benzene from model pollutant solutions. The properties of the alginate\/biochar hydrogel beads were evaluated using scanning electron microscopy, Fourier transform infrared spectroscopy, and Brunauer\u2013Emmet\u2013Teller analyses. Adsorption behavior of alginate\/biochar hydrogel beads indicated that the adsorption capacities for Cu2+ (28.6\u201372.7 mg\/g) were enhanced with increasing alginate content, whereas the adsorption capacities for benzene (20.0\u201352.8 mg\/g) were improved with increasing biochar content. The alginate\/biochar hydrogel beads exhibited similar adsorption capacities for Cu2+ and benzene in the concurrent system with Cu2+ and benzene compared to those in a single pollutant system. Adsorption kinetics and isotherm studies of the alginate\/biochar hydrogel beads followed the pseudo-second-order model (r2 = 0.999 for Cu2+, and r2 = 0.999 for benzene), and Langmuir model (r2 = 0.999 for Cu2+, and r2 = 0.995 for benzene). In addition, alginate\/biochar hydrogel beads (containing 1 and 4% biochar) exhibited high reusability (&gt;80%). Therefore, alginate\/biochar hydrogel beads can be applied as adsorbents for the removal of multiple pollutants with different properties from wastewater.<\/jats:p>","DOI":"10.3390\/polym14173468","type":"journal-article","created":{"date-parts":[[2022,8,26]],"date-time":"2022-08-26T02:04:32Z","timestamp":1661479472000},"page":"3468","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Adsorptive Behavior of Cu2+ and Benzene in Single and Binary Solutions onto Alginate Composite Hydrogel Beads Containing Pitch Pine-Based Biochar"],"prefix":"10.3390","volume":"14","author":[{"given":"Saerom","family":"Park","sequence":"first","affiliation":[{"name":"Department of Biological Engineering, Konkuk University, Seoul 05029, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeong Woo","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Biological Engineering, Konkuk University, Seoul 05029, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0771-5618","authenticated-orcid":false,"given":"Ji Eun","family":"Kim","sequence":"additional","affiliation":[{"name":"R&D Center, ATE Corporation, Seoul 05029, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gwangnam","family":"Kang","sequence":"additional","affiliation":[{"name":"R&D Center, ATE Corporation, Seoul 05029, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6311-3748","authenticated-orcid":false,"given":"Hyung Joo","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Biological Engineering, Konkuk University, Seoul 05029, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4535-8044","authenticated-orcid":false,"given":"Yong-Keun","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Biological Engineering, Konkuk University, Seoul 05029, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6789-477X","authenticated-orcid":false,"given":"Sang Hyun","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Biological Engineering, Konkuk University, Seoul 05029, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,8,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"557","DOI":"10.1007\/s10311-020-01084-9","article-title":"Environmental applications of carbon-based materials: A review","volume":"19","author":"Gopinath","year":"2021","journal-title":"Environ. 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