Method for reducing fouling in furnaces

Details Method for reducing fouling in furnaces Method for reducing fouling in furnaces

B - Operations, Transporting

01

J

B01J 19/00 (2006.01) C10G 9/16 (2006.01) C10G 75/04 (2006.01)

Patent

CA 2714609

Heat exchanger fouling in organic chemical production processes may be reduced using an antifoulant additive. The antifoulant additive may have one component selected from the group consisting of an alkylphosphate ester, and an alpha olefin maleic anhydride copolymer; or it may have two components selected from the group consisting of a metallic overbase, an alkylphosphate ester, and an alpha olefin maleic anhydride copolymer, wherein at least one of the two components in not an overbase. An additive having three components: a metallic overbase, an alkylphosphate ester, and an alpha olefin maleic anhydride copolymer; is also within the scope of the disclosure. The abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Lencrassement dun échangeur thermique dans des procédés de production chimique organique peut être réduit à laide dun additif anti-encrassement. Ladditif anti-encrassement peut comporter un composant choisi dans le groupe consistant en un ester dalkylphosphate et un copolymère danhydride maléique et dalpha oléfine ; ou il peut comporter deux composants sélectionnés dans le groupe consistant en une base supérieure métallique, un ester dalkylphosphate et un copolymère danhydride maléique et dalpha oléfine, au moins un des deux composants nétant pas une base supérieure. Un additif comportant trois composants : une base supérieure métallique, un ester dalkylphosphate et un copolymère danhydride maléique et dalpha oléfine, est également décrit. Labrégé est soumis en sachant quil ne sera pas utilisé pour interpréter ou limiter la portée ou la signification des revendications.

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