B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
161/1, 23/387
B01D 1/02 (2006.01) B01D 1/00 (2006.01) B01D 1/30 (2006.01) C01B 17/88 (2006.01)
Patent
CA 1149722
An Evaporator for concentrating Mineral Acid, particularly Sulphuric Acid Abstract of the Disclosure The invention procides a circulation evaporator for concentrating mineral acid, particularly sulphuric acid, comprising parts of, or at least coated with, enamel, characterised by a heat exchanger for heating the acid comprising at least one acid feed pipe provided with an enamel layer, means being provided to maintain the compressive stress in the enamel layer under all wirking conditions, said acid feed pipe being connected at its inlet end to a circulation pump and at its outlet end to a flash evaporator for concentrating the heated acid,. this evaporator being connected by a circulation pipe to the pump inlet and to means for introducing the crude acid, for discharging the concentrate and for carrying away the vapours. Le A 20 298
353788
Forter Hansruedi
Groening Jurgen
Kuhnlein Hans L.
Kung Hans R.
Maas Joachim
Aktiengesellschaft Bayer
Bertrams Ag
Fetherstonhaugh & Co.
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