A multicriteria decision analysis for the evaluation of microalgal growth and harvesting


Unay E., ÖZKAYA B. , Yoruklu H.

Chemosphere, vol.279, 2021 (Journal Indexed in SCI) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 279
  • Publication Date: 2021
  • Doi Number: 10.1016/j.chemosphere.2021.130561
  • Journal Name: Chemosphere
  • Journal Indexes: Science Citation Index Expanded, Scopus, Academic Search Premier, PASCAL, Aerospace Database, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), Artic & Antarctic Regions, BIOSIS, Biotechnology Research Abstracts, CAB Abstracts, Chemical Abstracts Core, Chimica, Communication Abstracts, Compendex, EMBASE, Environment Index, Food Science & Technology Abstracts, Geobase, Greenfile, MEDLINE, Metadex, Pollution Abstracts, Public Affairs Index, Veterinary Science Database, Civil Engineering Abstracts
  • Keywords: Microalgae, Cultivation systems, Harvesting techniques, TOPSIS, Microalgae utilization, CROSS-FLOW MICROFILTRATION, WASTE-WATER TREATMENT, TUBULAR PHOTOBIOREACTOR, CHLORELLA-VULGARIS, BIOFUELS, CULTIVATION, BIOMASS, BIOFLOCCULANT, OPTIMIZATION, FLOCCULATION

Abstract

© 2021 Elsevier LtdBiomass obtained from microalgae research studies gained momentum in recent years because of their extensive application potential in multiple industries such as high-value nutraceuticals, bioproducts, cosmetics, animal feed industries, and biofuels while being a sustainable and environmentally friendly option. Although they have high biomass yields and rapid growth rates there are some limitations and challenges that remain for large-scale commercialized cultivation and harvesting methods of microalgae. Since there are multiple pathways related to efficient cultivation and harvesting methods to be viable, this study adopted, TOPSIS (Technique for Order Preference by Similarity to Ideal Solution), a multicriteria decision-making tool, to find the most acceptable alternative by using excel spreadsheets to evaluate the information that is derived from literature and pilot-scale studies. As a result, tubular (helical) and plate (flat panel) photobioreactors (PBRs) for cultivation and chemical harvesting (with chitosan) and bio-flocculation for harvesting were deemed suitable, while plastic bag PBR and suspended air flotation were deemed unsuitable.