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

1997-11-12

2000-06-20

Wu, David W.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 88, 526282, 526341, 526335, 5263472, 5263487, 526901, C08F 200, C08F 1000, C08F 3600, C08F 2044

Patent

active

060779209

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. In a preferred embodiment a process and apparatus of pressurizing and feeding carbon black fluff to a polymerization reactor is provided 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. Gerhard Kuhner, Inorganic Chemical Products Division, Degussa AG, What is Carbon Black, pp. 1-40.

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