Low pressure methane storage with highly microporous carbons

Details Low pressure methane storage with highly microporous carbons Low pressure methane storage with highly microporous carbons

1995-03-14

1997-05-06

Bhat, Nina

Gas: heating and illuminating

Methane -containing product, or treatment or recovery process

48174, 48179, 502416, 502417, 502425, 502437, 206 7, F17C 1100, B01J 2020

Patent

active

056266375

ABSTRACT:
A process is disclosed for storing gaseous hydrocarbon fuel in storage containers under relatively low pressure by including in the cylinders highly microporous carbons prepared by further chemical activation of activated carbon comprising activation an active carbon precursor material with an alkali solution, predrying the blend to below about 25% moisture content, heat treating this blend at from about 652.degree. to about 1100.degree. C., and acid washing and drying the microporous activated carbon product, which is characterized by greater than 50% of its total pore volume comprising pores of from above 8 .ANG. to 20 .ANG. in width and greater than 70% of its total pore volume comprising pores of less than 20 .ANG. in width and greater than 95% of its total pore volume comprising pores of less than 50 .ANG. in width.

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