{"refrec":{"BRefID":362772,"RR":"<b>Saeed, A.A.H.; Harun, N.Y.; Sufian, S.; Siyal, A.A.; Zulfiqar, M.; Bilad, M.R.; Vagananthan, A.; Al-Fakih, A.; Ghaleb, A.A.S.; Almahbashi, N.</b> (2020). <i>Eucheuma cottonii</i> seaweed-based biochar for adsorption of methylene blue dye. <i>Sustainability 12(24)</i>: 10318. <a href=\"https://dx.doi.org/10.3390/su122410318\" target=\"_blank\">https://dx.doi.org/10.3390/su122410318</a>","BEntID":360490,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Sustainability 12(24)</i>: 10318. <a href=\"https://dx.doi.org/10.3390/su122410318\" target=\"_blank\">https://dx.doi.org/10.3390/su122410318</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Saeed, A.A.H.; Harun, N.Y.; Sufian, S.; Siyal, A.A.; Zulfiqar, M.; Bilad, M.R.; Vagananthan, A.; Al-Fakih, A.; Ghaleb, A.A.S.; Almahbashi, N.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Saeed, A.A.H. <i>et al.</i>","Englishabstract":"<div class=\"html-p\">Pollution from dye containing wastewater leads to a variety of environmental problems, which can destroy plant life and eco-systems. This study reports development of a seaweed-based biochar as an adsorbent material for efficient adsorption of methylene blue (MB) dye from synthetic wastewater. The <span class=\"html-italic\">Eucheuma cottonii</span> seaweed biochar was developed through pyrolysis using a tube furnace with N<sub>2</sub> gas, and the properties were later improved by sulfuric acid treatment. The adsorption studies were conducted in a batch experimental setup under initial methylene blue concentrations of 50 to 200 mg/L, solution pH of 2 to 10, and temperature of 25 to 75 °C. The characterization results show that the developed biochar had a mesoporous pore morphology. The adsorbent possessed the surface area, pore size, and pore volume of 640 m<sup>2</sup>/g, 2.32 nm, and 0.54 cm<sup>3</sup>/g, respectively. An adsorption test for 200 mg/L of initial methylene blue at pH 4 showed the best performance. The adsorption data of the seaweed-based biochar followed the Langmuir isotherm adsorption model and the pseudo-second-order kinetic model, with the corresponding R<sup>2</sup> of 0.994 and 0.995. The maximum adsorption capacity of methylene blue using the developed seaweed‑based biochar was 133.33 mg/g. The adsorption followed the chemisorption mechanism, which occurred via the formation of a monolayer of methylene blue dye on the seaweed-based biochar surface. The adsorption performance of the produced seaweed biochar is comparable to that of other commercial adsorbents, suggesting its potential for large-scale applications.</div>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"<i>Eucheuma cottonii</i> seaweed-based biochar for adsorption of methylene blue dye","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"biochar; pyrolysis; methylene blue; adsorption; seaweed","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2023-03-28","DateCreate":"2023-03-27","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000603241900001","VABBcode":null,"OpenAcc":1,"DOI":"10.3390/su122410318"},"refs":null,"anarec":{"AnaID":362772,"PubliDate":2020,"Pagination":"10318","XtraPublOfAnaID":null,"ISBN":null,"Volume":"12","Issue":"24","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":258968,"SerRR":"Sustainability. 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