Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1990-08-30
1993-02-02
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 32, 34 79, A26B 300
Patent
active
051828707
ABSTRACT:
The invention is a system and method for recovering volatile organic gases emitted by solid pellets of a polyetheylene resin product. In the process for making the resin product, the pellets are sampled for product quality and blended to obtain a more uniform mixture, before being transferred to shipping or storage containers. During this process gas must be purged from the sampler and blender vessels to prevent it from building up to an explosive level. In the purging step, outside air is blown through the blender and sampler vessels to mix with the organic gases therein, and this mixture is passed to a furnace, to provide combustion air for the furnace.
REFERENCES:
patent: 3728797 (1973-04-01), Worden, Sr. et al.
patent: 4073063 (1978-02-01), Gutjahr
patent: 4942676 (1990-07-01), Wimberger
Alvarez David G.
Dighton Gaylon L.
Bennet Henry A.
Schultz Dale H.
The Dow Chemical Company
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