B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/73 (2006.01) B01D 53/64 (2006.01) B01D 53/68 (2006.01)
Patent
CA 2395851
The invention relates to a method of treating a halogen containing solid or semi solid waste material from a flue gas cleaning process, wherein the amount of alkaline compounds is sufficient to provide a suspension of the waste material in water with a pH value of at least 10, said method comprising the steps of a) preparing an aqueous suspension of the solid or semi solid waste material, said suspension having a pH value of at least 10, b) separating the solid and the liquid material from each other to obtain an aqueous solution of waste material and a solid waste material, and collecting the solid waste material. The procedure is repeated one or more times, and optionally the resulting solid waste material is dried.
L'invention concerne un procédé de traitement de déchets solides ou semi-solides à base d'halogène provenant d'un processus de nettoyage de gaz de combustion. La quantité de composants alcalins est suffisante pour fournir une suspension aqueuse de déchets ayant un pH au moins égal à 10. Le procédé comprend les étapes suivantes: a) préparation d'une suspension aqueuse de déchets solides ou semi-solides, avec un pH au moins égal à 10, b) séparation solide-liquide pour donner une solution aqueuse de déchets et de déchets solides, et récupération des déchets solides. On répète la procédure une ou plusieurs fois, éventuellement avec séchage des déchets solides résultants.
Fetherstonhaugh & Co.
Rastof Og Genanvendelse Selskabet Af 1990 A/s
Watech A/s
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