Modeling the fluid dynamics of the H-coal reactor. [Cold flow]

PDF Version Also Available for Download.

Description

A key feature of the H-coal process is the use of an ebullated bed for achieving good mixing between slurried coal, hydrogen, and extruded catalyst particles. The H-coal reactor can be modeled as a four-phase fluid bed system containing liquid, fines, gases, and catalyst particles. In order to study the hydrodynamic behavior of this gas/slurry/catalyst system, a cold flow model was constructed consisting of a glass reactor 15.24 cm in ID and 6 m long. A recycle cup located in the upper part of the reactor is used for the partial separation of gas from the slurry before part of ... continued below

Physical Description

Pages: 79

Creation Information

Vasalos, I A; Bild, E M & Tatterson, D F January 1, 1979.

Context

This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

Who

People and organizations associated with either the creation of this article or its content.

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

Contact Us

What

Descriptive information to help identify this article. Follow the links below to find similar items on the Digital Library.

Description

A key feature of the H-coal process is the use of an ebullated bed for achieving good mixing between slurried coal, hydrogen, and extruded catalyst particles. The H-coal reactor can be modeled as a four-phase fluid bed system containing liquid, fines, gases, and catalyst particles. In order to study the hydrodynamic behavior of this gas/slurry/catalyst system, a cold flow model was constructed consisting of a glass reactor 15.24 cm in ID and 6 m long. A recycle cup located in the upper part of the reactor is used for the partial separation of gas from the slurry before part of the slurry is recycled to the bottom of the reactor. The layout and dimensions of this unit are very similar to a 3 T/D coal liquefaction process development unit (PDU) successfully operated by Hydrocarbon Research, Incorporated (HRI). Using kerosene, pulverized coal char, and nitrogen, it has been found that at ambient conditions the bed expansion of cylindrical catalyst extrudates 1.6 mm in diameter and 4.8 mm in length closely simulates the behavior of the H-coal reactor. Operating conditions which favor the distribution of the gas phase in the stable ideal bubbly regime are also described.

Physical Description

Pages: 79

Notes

Dep. NTIS, PC A05/MF A01.

Source

  • 87. AICHE national meeting, Boston, MA, USA, 19 Aug 1979

Language

Item Type

Identifier

Unique identifying numbers for this article in the Digital Library or other systems.

  • Report No.: CONF-790822-3
  • Grant Number: EF-77-C-01-2588
  • Office of Scientific & Technical Information Report Number: 6020066
  • Archival Resource Key: ark:/67531/metadc1097553

Collections

This article is part of the following collection of related materials.

Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

What responsibilities do I have when using this article?

When

Dates and time periods associated with this article.

Creation Date

  • January 1, 1979

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

Description Last Updated

  • March 20, 2018, 8:51 p.m.

Usage Statistics

When was this article last used?

Yesterday: 0
Past 30 days: 0
Total Uses: 1

Interact With This Article

Here are some suggestions for what to do next.

Start Reading

PDF Version Also Available for Download.

International Image Interoperability Framework

IIF Logo

We support the IIIF Presentation API

Vasalos, I A; Bild, E M & Tatterson, D F. Modeling the fluid dynamics of the H-coal reactor. [Cold flow], article, January 1, 1979; United States. (digital.library.unt.edu/ark:/67531/metadc1097553/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.