Norris J Landis from 1828 Cadwell Ave, Cleveland, OH 44118, age 95, Phone: 216 321-1063

Norris Landis Phones & Addresses

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Process For Prilling Urea
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US Patent:

41906225, Feb 26, 1980
Filed:

May 4, 1978
Appl. No.:

5/903648
Inventors:

Norris J. Landis - Cleveland Heights OH
Assignee:

Standard Oil Company (Ohio) - OH
International Classification:

B22D 2308
C05C 900
US Classification:

264 14
Abstract:

Urea prills are obtained by contacting molten urea droplets with a co-current gas stream in a prill tower and cooling and collecting the prills thus formed in a fluidized bed having a second gas stream flowing countercurrent to the prills.

Urea Hydrolysis
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US Patent:

43416403, Jul 27, 1982
Filed:

Nov 1, 1979
Appl. No.:

6/090202
Inventors:

Norris J. Landis - Cleveland Heights OH
Assignee:

Standard Oil Company - OH
International Classification:

B01D 326
C02F 102
US Classification:

210752
Abstract:

The process for the purification of urea containing waste streams is improved by conducting the purification in a vessel having at least one treating zone wherein the urea containing waste stream is both hydrolyzed and stripped of the products of the urea hydrolysis and other impurities found in the waste stream.

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