METHOD FOR PRODUCTION OF UREA FERTILIZER WITH ELEMENTARY SULFUR AND PRODUCT THEREOF Russian patent published in 2007 - IPC C05C9/00 

Abstract RU 2296730 C2

FIELD: agriculture, fertilizer production.

SUBSTANCE: invention relates to fertilizer and method for production thereof from liquid sulfur and liquid urea melt. Claimed method includes effect on surface tension between two liquid sulfur and urea phases by addition of composition containing heat resistant C6-C30-fatty acids and esters thereof to produce homogenous mixed phase which is subsequent distributed and solidified. Additive such as myristic acid concentration is 5-300 ppm. Fertilizer may include inorganic compounds in amount of 1.0-2.5 mass %.

EFFECT: fertilizer with increased sulfur availability for plants; product with increased flowability without surface coating or conditioning with formaldehyde.

21 cl, 6 ex, 7 dwg

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RU 2 296 730 C2

Authors

Konke Sven

Ladvig Uve

Maats Jurgen

Shtark Udo

Dates

2007-04-10Published

2002-06-17Filed