【発明の名称】重質脱蝋物リサイクルによる脱蝋反応器のクエンチング

Title:

【発明の名称】重質脱蝋物リサイクルによる脱蝋反応器のクエンチング

Document Type and Number:

Japanese Patent JP2003522250

Kind Code:

A

Abstract:

During catalytic dewaxing of paraffinic hydrocarbons, the exothermic catalytic dewaxing reaction is moderated by separating and cooling a heavy dewaxate having an initial boiling point of at least 800 DEG F+, and recycling it back into the dewaxing zone as quench liquid. The heavy dewaxate reacts very little, if at all, with the hydrogen in the dewaxing zone. This has been found to be particularly useful for dewaxing hydroisomerized, paraffinic Fischer-Tropsch synthesized, hydrocarbons.

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Inventors:

Trust, donald, bruce
Dean, Christopher, M.
Wittenbrink, robert, jay
Ryan, Daniel, Francis

Application Number:

JP2001557978A

Publication Date:

July 22, 2003

Filing Date:

January 18, 2001

Export Citation:

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Assignee:

EXXON RESEARCH AND ENGINEERING COMPANY

International Classes:

B01J3/00; C10G2/00; C10G45/58; C10G45/60; C10G45/62; C10G45/64; C10G65/04; C10G65/12; C10G67/02; C10G73/34; (IPC1-7): C10G73/34; B01J3/00; C10G2/00; C10G45/60; C10G45/62; C10G45/64; C10G65/04; C10G65/12; C10G67/02

Domestic Patent References:

JPH11508957A	1999-08-03
JPH11189775A	1999-07-13

Attorney, Agent or Firm:

Kenji Kawabi

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