Process for feeding particulate material to a fluidized bed reac

Details Process for feeding particulate material to a fluidized bed reac Process for feeding particulate material to a fluidized bed reac

1996-12-04

1998-06-09

Weber, Thomas R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 234

Patent

active

057635412

ABSTRACT:
The present invention provides a process and apparatus for feeding powders such as fine, cohesive, or powdery particulate materials from a low pressure system to a high pressure system. There is provided in a preferred embodiment a process and apparatus of pressurizing and feeding carbon black fluff to a polymerization reactor, particularly a gas phase fluidized polymerization reactor to provide for a close-coupling of a carbon black reactor to a polymerization reactor.

REFERENCES:
patent: 4994534 (1991-02-01), Rhee et al.
patent: 5453471 (1995-09-01), Bernier et al.
patent: 5556238 (1996-09-01), Chinh
Dr. Gehard Kuhner, Inorganic Chemical Products Division, Degussa AG, What Is Carbon Black, pp. 1-40.

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