Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1975-10-15
1977-05-17
Spear, Jr., Frank A.
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 23, 241DIG37, B02C 2318
Patent
active
040237346
ABSTRACT:
A method of comminuting fresh algae which consists in carrying out a comminuting operation on said algae at a temperature lower than -20.degree.C. Preferably this temperature lies between the range -30.degree. to -100.degree. C. In carrying out the method it is advantageous for the fresh algae to be frozen at a temperature of less than -20.degree. C before being comminuted. In particular, after being broken down, the algae are comminuted by crushing into the form of a wet paste mix, the mean size of the particles in which is less than 10 micrometers.
The invention also relates to apparatus for carrying out the comminuting operation which comprises a comminuting assembly and cooling means associated therewith to hold the operated temperature within said assembly at a level of -20.degree.C by means of a cooling agent. The invention furthermore extends to the algae product whenever produced by the method and apparatus aforementioned.
REFERENCES:
patent: 1979124 (1934-10-01), Tival
patent: 2583697 (1952-01-01), Hendley, Jr. et al.
patent: 3172546 (1965-03-01), Schreiner
Herve Rene A.
Rouillier Daniel L.
Lander Ferris H.
Spear, Jr. Frank A.
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