Process for dumping of particulate solid or pumpable solid...

Details Process for dumping of particulate solid or pumpable solid... Process for dumping of particulate solid or pumpable solid...

E - Fixed Constructions

21

F

61/2.1

E21F 17/16 (2006.01) B09B 1/00 (2006.01) C02F 1/52 (2006.01) C02F 11/00 (2006.01) E21F 15/00 (2006.01)

Patent

CA 1238792

ABSTRACT Process for dumping of waste materials in underground salt enclosed cavities, by introducing the particulate solid waste materials by trickling or by pumping in the mixture of solid and liquid waste materials, characterized in that the rock salt solution contained in the salt cavern is pumped out, after which the particulate solid waste materials are treated with dust suppressant agents to form free-flowing, non- dusting, readily usable mixtures, or that the salt cavern filled with rock salt solution is filled with pumpable waste materials in such a way that the displaced volume of salt solution is filled with pumpable waste materials in such a way that the displaced volume of salt solution ist pumped out and, after filling the cavern to about two thirds to three quarters of its volume, the water of the liquid phase is bound in the form of water of crystallization or as hydroxide or physically by adsorption through addition of hydrophilic compounds or substances as a means of solidifying it and that the cavern is then sealed.

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