Abstract
Deep-well disposal of liquid waste is practised in the Federal Republic of Germany at 31 sites. There are • - 17 disposal wells in Lower Saxony, injecting brines with polysulfide compounds from natural gas extraction; • - 1 disposal well in North Rhine-Westphalia. Injection of brine from salt solution mining has been postponed as the brine is now being chemically processed; • - 10 injection wells in the “Werra Potash District” (Hesse) for the disposal of process brine; • - 1 disposal well in the “Fulda Potash District” (Hesse), operating for the injection of surface runoff from a salt mine waste dump; • - 2 injection wells at Moosburg/Isar (Bavaria) disposing of spent hydrochloric acid.
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