AlgalTextile - a new biohybrid material for wastewater treatment

Melnikova, Anna; Klose, Holger; Roeb, Marion; Komova, Anastasia; Meuser, Isabel; Namsaraev, Zorigto; Kuchendorf, Christina M.; Ackermann, Barbara

doi:10.1016/j.btre.2021.e00698

Journal Article

FZJ-2022-00491

AlgalTextile - a new biohybrid material for wastewater treatment

Melnikova, A. ; Namsaraev, Z. ; Komova, A. ; Meuser, I.FZJ* ; Roeb, M.FZJ* ; Ackermann, B. ; Klose, H.FZJ* ; Kuchendorf, C. M. (Corresponding author)FZJ*

2022
Elsevier Amsterdam [u.a.]

Biotechnology Reports 33, e00698 - (2022) [10.1016/j.btre.2021.e00698]

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Please use a persistent id in citations: http://hdl.handle.net/2128/30240 doi:10.1016/j.btre.2021.e00698

Abstract: Efficient nutrient extraction from wastewater and reuse as bio-fertilizer is an important task for reducing anthropogenic load toward circular economy. Inspired by microbial mats and biofilms, we developed a new material AlgalTextile (AT) that effectively absorbs nutrients from a medium. AT consists of three fully organic components: microalgae, alginate and textile. AT sequestered up to 99% of phosphorus (P-PO4) and 76% of total bound nitrogen from a medium. The uptake rate of phosphorus and nitrogen by AT was highest among all methods using photosynthetic microorganisms, but lower than EBPR and physicochemical methods for phosphorus removal, and anammox and denitrifying bacteria for nitrogen removal. Advantages of AT are its easy production, possibility of seasonal use and utilization as fertilizer. AT as biofertilizer for cress resulted in 35% greater length compared to the control. This outlines a promising technique for seasonal wastewater treatment, improving soil fertility and treatment of polluted surface runoff.

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