C - Chemistry – Metallurgy – 05 – D
Patent
C - Chemistry, Metallurgy
05
D
71/24
C05D 9/00 (2006.01)
Patent
CA 1054821
ABSTRACT OF THE DISCLOSURE The present specification discloses a sulphur suspension in suitable mineral clays as a source of plant nutrient, and more particularly to a water-degradable granular suspension of elemental sulphur in bentonite clay. The importance of sulphur as a soil additive, either in the form of sulphur compounds or in its elemental form, with or without a suspension medium such as a mineral clay has been widely understood in the literature for some time. This specification discloses a process for the manufacture of water-degradable granular solid suspension of elemental sulphur in bentonite clay, comprising the stop of adding 7 to 9 parts (out of 10 parts) of liquid sulfur to 1 to 3 parts of substantially dry clay dust, with continuous and thorough mixing, at an elevated temperature between 240 and 300°F., pouring the uniform mixture onto a wet stainless steel plate, and allowing to cool to a thickness of 1/4 to 2 inches, comminuting the mixture and screening and separating the granules having a particle size of minus 4/plus 14 mesh on the U.S. Standard scale.
235667
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