Buletinul Institutului Politehnic din Iași Secția Chimie și Inginerie Chimică ISSN: 2537-2947
ISSN-L: 0254-7104
2025, Volume 71(75), Issue 1 (January), pp. 75 - 84
Bioremediation in
Circular Economy: Case Study of Cu(II) Removal via Lignin-Based Biomass
ELENA UNGUREANU, “Ion Ionescu de la Brad” Iași University of Life Sciences,
Iași, Romania BOGDAN-MARIAN TOFĂNICĂ, “Ion Ionescu de la Brad” Iași
University of Life Sciences, Iași, Romania,
b.m.tofanica@gmail.com MARIA-EMILIANA FORTUNĂ, “Petru Poni” Institute of Macromolecular Chemistry,
Iași, Romania OVIDIU C. UNGUREANU, “Vasile Goldis” West University of Arad,
Arad, Romania IRINA VOLF, “Gheorghe Asachi” Technical University of Iași,
Iași, Romania
Abstract In the
context of sustainable development, the present study proposes a novel
approach to minimise the harmful effects of pollutant sources, such as heavy
metal ions, and to effectively utilise bioresources in the same time. The
study proposes the retention of Cu(II) ions in static conditions using
Sarkanda grass lignin, a biomass residue, representing a renewable natural
resource and a versatile biomaterial. This complex compound demonstrates
thermodynamic, and biological efficiency. The experimental data obtained
suggest potential applications in the treatment of wastewater, offering a
sustainable alternative to the already established, but more expensive,
technologies. This research supports the expansion of the use of
biomaterials for environmental remediation, highlighting the importance of
minimising waste and conserving natural resources in support of a circular
bioeconomy. Future research will focus on optimizing the retention process,
evaluating the long-term stability of the material, and exploring the
scalability of this technology for industrial wastewater treatment.
Keywords: bioremediation, lignin, Cu(II) ions, retention, Lypercosium
esculentum, circular bioeconomy