Process constraints in sustainable bio-hythane production from wastewater: Technical note

Santhana Krishnan, Mohd Fadhil Md Din*, Shazwin Mat Taib, Yong Ee Ling, Hafiz Puteh, Puranjan Mishra, Mohd Nasrullah, Mimi Sakinah, Zularisam A. Wahid, Supriyanka Rana, Lakhveer Singh

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

26 Citations (Scopus)

Abstract

The economy of an industrialized country is greatly dependent on fossil fuels. However, these non-renewable sources of energy are nearing the brink of extinction and which have caused serious adverse impacts on the environment. Hydrogen has emerged as a promising alternative and also has the highest calorific value. Bio-hythane is a hydrogen-methane blend can be produced from different organic substrates by two sequential anaerobic stages: a dark fermentation step followed by a second an anaerobic digestion step, for hydrogen and methane production, respectively. Bio-hythane is considered to be promising approach in sustainable energy sector. The advantages of two-stage technology include; high organic removal, high energy recovery and environment friendly. However, current efforts to recover bio-hythane energy from waste are still at bench scale level. The technical constraints in the fermentation must be removed for the indispensable bio-hythane recovery from waste. This short technical note highlights the two-stage fermentation and the technical barriers to be addressed for bio-hythane scale up from waste.

Original languageEnglish
Pages (from-to)359-363
Number of pages5
JournalBioresource Technology Reports
Volume5
DOIs
Publication statusPublished - Feb 2019

User-Defined Keywords

  • Bio-hythane
  • Fermentation
  • Process features
  • Scale up

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