Cultivation of microalgae Chlorella sp. in municipal sewage for biofuel production and utilization of biochar derived from residue for the conversion of hematite iron ore (Fe2O3) to iron (Fe) – Integrated algal biorefinery

Veeramuthu Ashokkumar, Wei-Hsin Chen, Hesam Kamyab, Gopalakrishnan Kumar, Ala'a H. Al-Muhtaseb, Chawalit Ngamcharussrivichai

Research output: Contribution to journalArticle

Abstract

This study demonstrated the utilization of municipal sewage for high biomass production at large scale and achieved highest biomass yield of 46.3 tons and the lipid yield of 13.7 metric tons per acre in a year. The extracted crude lipid was analyzed for biodiesel production, and the yield attained was 92.5 wt% with respect to initial lipid weight. Furthermore, the lipid extracted residue obtained from two different algal biomass such as Chlorella sp. and Sargassum sp. were explored for biochar production through a slow pyrolysis technique at 400 °C. The hematite iron ore reduction with algal biochar was performed non-isothermally at 1100 °C under nitrogen atmosphere. The metallic iron synthesis from hematite iron ore involves three major steps, and they were as follows (1) in this step the Fe3O4 was synthesized from Fe2O3 at the temperature of 350–450 °C; (2) this step contain the formation of FeO from Fe3O4 at the temperature of 700–850 °C; (3) finally the formation of metallic iron (Fe) was observed at higher temperature of 850–1100 °C. Herein, we established a novel low-cost microalgae-based biorefinery approach for the production of bioenergy and residue for metallic iron production from municipal waste.

Original languageEnglish
Article number116128
JournalEnergy
Volume189
DOIs
Publication statusPublished - 2019 Dec 15

Fingerprint

Hematite
Iron ores
Biofuels
Sewage
Lipids
Iron
Biomass
Iron ore reduction
Biodiesel
Temperature
Pyrolysis
Nitrogen
Costs

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Pollution
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

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title = "Cultivation of microalgae Chlorella sp. in municipal sewage for biofuel production and utilization of biochar derived from residue for the conversion of hematite iron ore (Fe2O3) to iron (Fe) – Integrated algal biorefinery",
abstract = "This study demonstrated the utilization of municipal sewage for high biomass production at large scale and achieved highest biomass yield of 46.3 tons and the lipid yield of 13.7 metric tons per acre in a year. The extracted crude lipid was analyzed for biodiesel production, and the yield attained was 92.5 wt{\%} with respect to initial lipid weight. Furthermore, the lipid extracted residue obtained from two different algal biomass such as Chlorella sp. and Sargassum sp. were explored for biochar production through a slow pyrolysis technique at 400 °C. The hematite iron ore reduction with algal biochar was performed non-isothermally at 1100 °C under nitrogen atmosphere. The metallic iron synthesis from hematite iron ore involves three major steps, and they were as follows (1) in this step the Fe3O4 was synthesized from Fe2O3 at the temperature of 350–450 °C; (2) this step contain the formation of FeO from Fe3O4 at the temperature of 700–850 °C; (3) finally the formation of metallic iron (Fe) was observed at higher temperature of 850–1100 °C. Herein, we established a novel low-cost microalgae-based biorefinery approach for the production of bioenergy and residue for metallic iron production from municipal waste.",
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Cultivation of microalgae Chlorella sp. in municipal sewage for biofuel production and utilization of biochar derived from residue for the conversion of hematite iron ore (Fe2O3) to iron (Fe) – Integrated algal biorefinery. / Ashokkumar, Veeramuthu; Chen, Wei-Hsin; Kamyab, Hesam; Kumar, Gopalakrishnan; Al-Muhtaseb, Ala'a H.; Ngamcharussrivichai, Chawalit.

In: Energy, Vol. 189, 116128, 15.12.2019.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Cultivation of microalgae Chlorella sp. in municipal sewage for biofuel production and utilization of biochar derived from residue for the conversion of hematite iron ore (Fe2O3) to iron (Fe) – Integrated algal biorefinery

AU - Ashokkumar, Veeramuthu

AU - Chen, Wei-Hsin

AU - Kamyab, Hesam

AU - Kumar, Gopalakrishnan

AU - Al-Muhtaseb, Ala'a H.

AU - Ngamcharussrivichai, Chawalit

PY - 2019/12/15

Y1 - 2019/12/15

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