Process for cleaning surfaces polluted by hydrocarbons,...

B - Operations – Transporting – 01 – J

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182/12, 252/20,

B01J 20/28 (2006.01) C02F 1/68 (2006.01) C09K 3/32 (2006.01) C11D 3/12 (2006.01) E02B 15/04 (2006.01)

Patent

CA 1118744

PRECIS DE LA DIVULGATION: Le nettoyage de surfaces polluées par des hydro- carbures, graisses, huiles et matières analogues, est effectuée en répandant sur la surface polluée au moins une poudre minérale de silicate, et au moins un agent tensioactif de rapport hydrophile/lipophile inférieur ou égal à 12, sous forme d'une solution ou d'une émulsion dans un liquide polaire ou non-polaire, la proportion d'agent tensioactif étant de 0,5 à 5 % du poids de la poudre minérale. L'invention permet la mise en oeuvre simultanée d'un matériau adsorbant et/ou absorbant et d'un agent de détergence.

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