Utilization of waste gypsum in fertilizer production

• Autorzy: Malinowski P. , Borowik M. , Wantuch W. , Urbańczyk L. , Dawidowicz M. , Biskupski A.

Identyfikatory

DOI

10.2478/pjct-2014-0008

• Języki publikacji: EN

Abstrakty

EN

The results of the study regarding utilization of the waste gypsum formed as a by-product during the production of the magnesium sulphate from dolomite have been presented. The use of this waste have been proposed for the production of granulated multi-component fertilizers containing 25% N; 8% S; 14% CaO and 3.5% MgO. In the process of fertilizer production, the urea which will be bounded with the calcium and magnesium sulphate from the waste in the form of adducts of CaSO₄ . 4CO(NH₂)₂ and MgSO₄ . CO(NH₂)₂ . 3H₂O will be the source of nitrogen in the fertilizer. It has been stated on the basis of the laboratory tests that the fertilizer with the assumed composition can be obtained by means of granulation of the raw material pulp, along with the dried and ground product return. The possibility of the production of the fertilizer with good physical properties according to the assumed concept has been confirmed in the pilot scale.

Słowa kluczowe

EN

fertilizer; adduct; gypsum; waste; by-product; magnesium sulphate

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2014
• Tom: Vol. 16, nr 1
• Strony: 45--47
• Opis fizyczny: Bibliogr. 10 poz., tab., wykr., wz.

Twórcy

autor

Malinowski P.

• University of Applied Sciences in Nysa, ul. Armii Krajowej 7, 48-300 Nysa, Poland

autor

Borowik M.

• Fertilizers Research Institute, al. 1000-lecia Państwa Polskiego 13 A, 24-110 Puławy, Poland

autor

Wantuch W.

• Chemical Company Alwernia S.A., ul. K. Olszewskiego 25, 32-566 Alwernia, Poland

autor

Urbańczyk L.

• Chemical Company Alwernia S.A., ul. K. Olszewskiego 25, 32-566 Alwernia, Poland

autor

Dawidowicz M.

• Fertilizers Research Institute, al. 1000-lecia Państwa Polskiego 13 A, 24-110 Puławy, Poland

autor

Biskupski A.

• Fertilizers Research Institute, al. 1000-lecia Państwa Polskiego 13 A, 24-110 Puławy, Poland

Bibliografia

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