Forty percent of the total amount is red mud from aluminum processing and is stored in landfills as no viable recycling technology is currently available.
(Forty percent of the total amount; is; red mud from aluminum processing) (Forty percent of the total amount; is stored; L:in landfills) (no viable recycling technology; is; T:currently; available)
Forty percent of the total amount Forty percent of the total amount no viable recycling technology
is is stored is
red mud from aluminum processing
L:in landfills
T:currently available