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Berkeley Pit, Butte Copper Mine, Butte, MT: inactive open-pit metal mine

File:Berkeley Pit Butte, Montana.jpg

Berkeley Pit, Butte Copper Mine, Butte, MT.

BiMBy Berkeley Pit 2 layer.png

 

k/b equivalent to 1 m of dry concrete

Retains 89% of gas pressure after 15 h storage.

Pressure Vessel

V = 9.4 x 107 m3

A = 1.4 x 106 m2

M = 1.9 x 108 t

P  = 5.3 x 106 Pa

Pressurizing Layer

VPL = 3.4 x 108 m3

APL = 3.7 x 106 m2

MPL = 6.8 x 108 t

Whole Device

VT = 4.3 x 108 m3

Amap = 1.8 x 106 m2

MT = 8.7 x 108 t

Assume

ρ = 2.00 t∙m-3

ϕ = 0.2 scalar

Energy Storage Capacity

CAES     2.0 x 107 kW∙h      0.66% of US need

H2           2.6 x 108 kW∙h      8.55% of US need

 

 

Tesla Powerwalls (13.5 kW∙h at $5500 each)

CAES     1.5M at $8.1B

H2           19M at $105B

 

 

photo: https://www.nasa.gov/images/content/

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This information is provided as an intellectual exercise and is not meant to imply endorsement by any company or community.

 

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