Process for eliminating mercury from steam cracking installation

Details Process for eliminating mercury from steam cracking installation Process for eliminating mercury from steam cracking installation

1991-08-28

1994-04-19

Langel, Wayne

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By c content reduction, e.g., cracking, etc.

423210, 585652, 585809, 585822, 208 91, 208 99, B01D 5302, C07C 404, C07C 712, C10G 6702

Patent

active

053046935

ABSTRACT:
A process for the elimination of mercury from an overall steam cracking installation, characterized in that regeneration is terminated by the injection of regeneration gas onto an active demercurizing mass, such that there is substantially no trace of mercury in the air or liquids leaving the installation. The process involves the use of three demercurizing masses, namely two upstream of the installation which are in series and one downstream, which latter is demercurized by at least one of the upstream masses. The use more particularly applies to the depollution of steam cracking installations which are already polluted by mercury.

REFERENCES:
patent: 3755989 (1973-09-01), Fornoff et al.
patent: 3864460 (1975-02-01), Connell
patent: 4892567 (1990-01-01), Yan
patent: 4911825 (1990-03-01), Roussel et al.
patent: 4982050 (1991-01-01), Gammie et al.
patent: 4983277 (1991-01-01), Audeh et al.
patent: 5107060 (1992-04-01), Yan
Patent Journal of the Republic of South Africa, vol. 23, #4 (Apr. 1990), p. 188, abstract of South Africa Patent Publication 89/3265, published Feb. 27, 1990.

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