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well as the hydrogen generation via pyrolysis of biomass, gasification, gasification combined
with pyrolysis, from supercritical water (fluid-gas) extraction, steam reforming (SR), auto
thermal reforming (ATR), dry reforming (DR), liquid phase reforming (LPR), aqueous-phase
reforming (APR), and partial oxidation (POX) of renewable carboxylates such as bioethanol,
acetic acid, phenol, glycerol, carbohydrates, different water-soluble sugars, bio-oil, and its
aqueous phases. Few processes are referred to as emerging processes for hydrogen production
such as plasma reforming, thermochemical water splitting, and biochemical/biological
process, where hydrogen can be produced by varied renewable sources and helps in
minimizing and eradicating global warming. A number of research groups around the world

have shown much interest to make a novel approach for hydrogen production methods that are
attractive yielding a higher efficiency and minimal CO formation.

ACKNOWLEDGMENTS

This work was generously supported by the Department of Science and Technology (DST),
Government of India, through a grant to K.K.P. [RC-UK DST (EP/G021937/1) India funded
project (C-16/2008)]. P.M. would like to thank Aston University, Birmingham, UK, for
facilitating understanding of the Pyroformer facility and its operations, and Indian Institute of

Technology Delhi (IRD-section) for the financial assistantship, goodwill, and generosity.

NOTES

* Correspondence to: kkpant@chemical.iitd.ac.in

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