A biorefinery approach for high value-added bioproduct (astaxanthin) from alga Haematococcus sp. and residue pyrolysis for biochar synthesis and metallic iron production from hematite (Fe2O3)

Veeramuthu Ashokkumar, Wei‐Hsin Chen, Gopalakrishnan Kumar, Anchittha Satjarak, Wikrom Chanthapatchot, Chawalit Ngamcharussrivichai