Pelletized sulfur concrete and method of preparing same

Details Pelletized sulfur concrete and method of preparing same Pelletized sulfur concrete and method of preparing same

1989-09-20

1991-04-02

Lieberman, Allan M.

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

Synthetic resins

From sulfur-containing reactant

106724, 106736, 524494, 524524, 524609, 528502, C08K 300, C08L 4700

Patent

active

050047990

ABSTRACT:
An improved modified sulfur concrete product is provided in the form of discrete, self-sustaining pellets of modified sulfur concrete which can be shipped and stored for indefinite periods and remelted to yield useable concrete. The pellets are preferably formed by first preparing a quantity of hot modified sulfur concrete (74), followed by passing such concrete (74) into a pelletizing chamber (12) equipped with an elongated auger-type, axially rotatable mixing element (14) and apparatus (16) for the introduction of pressurized air and water into the chamber (12) in the form of a spray. Supplementary pressurized air may advantageously be added at spaced points along the length of the chamber (12).

REFERENCES:
patent: 3954480 (1976-05-01), Inderwick
patent: 4188230 (1980-02-01), Gillot et al.
patent: 4348313 (1982-09-01), McBee et al.
patent: 4391969 (1983-07-01), McBee et al.
patent: 4741782 (1988-05-01), Styron
Brochure entitled "Modified Sulfur Concrete" author: National Chempruf Concrete, Inc.; six pages.

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