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Search: onr:"swepub:oai:DiVA.org:kth-298661" > LignoPhot :

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  • Budnyak, TetyanaStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, Svante Arrhenius Vag 16C, S-10691 Stockholm, Sweden. (author)

LignoPhot : Conversion of hydrolysis lignin into the photoactive hybrid lignin/Bi4O5Br2/BiOBr composite for simultaneous dyes oxidation and Co2+ and Ni2+ recycling

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • Elsevier BV,2021
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-298661
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298661URI
  • https://doi.org/10.1016/j.chemosphere.2021.130538DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-195989URI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20210710
  • Valorization of lignin is still an open question and lignin has therefore remained an underutilized biomaterial. This situation is even more pronounced for hydrolysis lignin, which is characterized by a highly condensed and excessively cross-linked structure. We demonstrate the synthesis of photoactive lignin/Bi4O5Br2/BiOBr bio-inorganic composites consisting of a lignin substrate that is coated by semiconducting nanosheets. The XPS analysis reveals that growing these nanosheets on lignin instead on cellulose prevents the formation of Bi5+ ions at the surface region, yielding thus a modified hetero-junction Bi4O5Br2/BiOBr. The material contains 18.9% of Bi4O5Br2/BiOBr and is effective for the photocatalytic degradation of cationic methylene blue (MB) and zwitterionic rhodamine B (RhB) dyes under light irradiation. Lignin/Bi4O5Br2/BiOBr decreases the dye concentration from 80 mg L-1 to 12.3 mg L-1 for RhB (85%) and from 80 mg L-1 to 4.4 mg L-1 for MB (95%). Complementary to the dye degradation, the lignin as a main component of the composite, was found to be efficient and rapid biosorbent for nickel, lead, and cobalt ions. The low cost, stability and ability to simultaneously photo-oxidize organic dyes and adsorb metal ions, make the photoactive lignin/Bi4O5Br2/BiOBr composite a prospective material for textile wastewaters remediation and metal ions recycling.

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  • Onwumere, JoyStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, Svante Arrhenius Vag 16C, S-10691 Stockholm, Sweden.(Swepub:su)joon8519 (author)
  • Pylypchuk, Ievgen, VKTH,Träkemi och massateknologi(Swepub:kth)u1wzjqq3 (author)
  • Jaworski, AleksanderStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, Svante Arrhenius Vag 16C, S-10691 Stockholm, Sweden.(Swepub:su)ajawo (author)
  • Chen, JianhongStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, Svante Arrhenius Vag 16C, S-10691 Stockholm, Sweden.(Swepub:su)jich2514 (author)
  • Rokicinska, AnnaStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, Svante Arrhenius Vag 16C, S-10691 Stockholm, Sweden. (author)
  • Lindström, Mikael,Professor,1967-KTH,Fiber- och polymerteknologi(Swepub:kth)u1uxn4q9 (author)
  • Kustrowski, PiotrJagiellonian Univ, Fac Chem, Gronostajowa 2, PL-30387 Krakow, Poland. (author)
  • Sevastyanova, OlenaKTH,Fiber- och polymerteknologi,Jagiellonian Univ, Fac Chem, Gronostajowa 2, PL-30387 Krakow, Poland.(Swepub:kth)u1roovny (author)
  • Slabon, AdamStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, Svante Arrhenius Vag 16C, S-10691 Stockholm, Sweden.(Swepub:su)adsl1265 (author)
  • Stockholms universitetInstitutionen för material- och miljökemi (MMK) (creator_code:org_t)

Related titles

  • In:Chemosphere: Elsevier BV2790045-65351879-1298

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