Chemical reactions in the phosphorite-sulfuric acid-urea-water system in relation to process safety and product quality. Part 2. System CO(NH2)(2)-H2SO4-H3PO4-CaSO4-Ca(H2PO4)(2)-CaHPO4-H2O | Health & Environmental Research Online (HERO)

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HERO ID

4366104

Reference Type

Journal Article

Title

Chemical reactions in the phosphorite-sulfuric acid-urea-water system in relation to process safety and product quality. Part 2. System CO(NH2)(2)-H2SO4-H3PO4-CaSO4-Ca(H2PO4)(2)-CaHPO4-H2O

Author(s)

Schab, S; Biskupski, A; Gorecki, H; Borowik, M; Rusek, P; Malinowski, P

Year

2016

Is Peer Reviewed?

Journal

Przemysł Chemiczny
ISSN: 0033-2496

Volume

Issue

Page Numbers

1721-1728

DOI

10.15199/62.2016.9.13

Web of Science Id

WOS:000386746800015

Abstract

The title system used for manufg. urea superphosphate fertilizers was studied for reaction of H3PO4 with Ca(H2PO4)(2) and CaHPO4 and with urea-CaSO4 and urea-H3PO4 adducts. The presence of CaSO4 resulted in increasing the thermal stability of urea, while the presence of H3PO4 resulted in decreasing of its stability.