Ships – Building – Freighters
Reexamination Certificate
2005-05-31
2005-05-31
Avila, Stephen (Department: 3617)
Ships
Building
Freighters
Reexamination Certificate
active
06899046
ABSTRACT:
The invention relates to a process for modifying tanker ships. More specifically, the invention is directed to a process for modifying a non-methanol-carrying tanker to carry a methanol cargo destined for a methanol to olefin reaction system. The process includes providing a tanker having one or more holds that previously stored a non-methanol material. The process includes one or more of the following steps: (1) cleaning the holds of the crude
aphtha-carrying tanker to remove residual deposits, wherein the holds previously stored a non-methanol material; (2) providing a fire suppression system specially designed to prevent methanol fires; and (3) replacing methanol intolerant pump seals and flange gaskets in the tanker with methanol resistant seals and gaskets.
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Nicoletti Michael Peter
Searle Ronald G.
Van Egmond Cor F.
Avila Stephen
ExxonMobil Chemical Patents Inc.
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