Hydrated aluminium sulfate precipitation by enzyme-catalysed urea decomposition

Journal of the European Ceramic Society

Volumn 20, Issue 6, 2000, Pages 689-694

  Kara, Ferhat ^a   Sahin, Gülcan ^a  

^a ANADOLU UNIVERSITY   (Turkey)

Author keywords

Al2O3; Powders chemical preparation; Sintering; Urea

Indexed keywords

AGGLOMERATION; CALCINATION; CATALYSIS; CRYSTALS; DECOMPOSITION; ENZYMES; HYDRATION; POWDERS; PRECIPITATION (CHEMICAL); SINTERING; THERMAL EFFECTS; UREA;

DENSELY PACKED AGGLOMERATE; ENZYME CATALYSED UREA DECOMPOSITION; HYDRATED ALUMINUM SULFATE;

HYDRATED ALUMINA;

EID: 0033905992     PISSN: 09552219     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0955-2219(99)00202-2     Document Type: Article

References (11)

1. Sacks M., Tseng T-Y., Lee S.Y. Thermal decomposition of spherical hydrated basic aluminium sulfate. Am. Ceram. Soc. Bull. 63:1984;301-310.
2. Blendell J.E., Bowen H.K., Coble R.L. High purity alumina by controlled precipitation from aluminium sulfate solutions. Am. Ceram. Soc. Bull. 63:1984;797-802.
3. Nagai H., Hokazono S., Kato A. Synthesis of aluminium hydroxide by a homogeneous precipitation method I. Effect of additives on the morphology of aluminium hydroxide. Br. Ceram. Trans. 90:1991;44-48.
4. Nagai H., Oshima Y., Hirano K., Kato A. Sintering behaviour of aluminium oxides derived from aluminium hydroxides with various morphologies. Br. Ceram. Trans. 92:1993;114-119.
5. Ishihara K., Muramoto N., Fujii H., Shinohara I. Preparation and permeability of urea-responsive polymer membrane consisting of immobilized urease and poly(aromatic carboxylic acid). J. Appl. Polym. Sci. 22:1978;1991-2009.
6. Simpson II R.E., Habeger C., Rabinovic A., Adair J.H. Enzyme catalyzed inorganic precipitation of aluminium basic sulfate. J. Am. Ceram. Soc. 81:1998;1377-1379.
7. Akinc M. Ceramic powder synthesis: homogeneous precipitation by urea. Duran P., Fernandez J.F. Proceedings of Fourth Euro Ceramics - Vol. 1, Developments in Processing of Advanced Ceramics. 1993;3-13 Faenza Editrice Iberica S.L, Castellon de la Plana.
8. Sato T., Ozawa F., Okima S. Thermal decomposition of aluminium salts-hydrates of the chloride, nitrate and sulphate and of ammonium alum. J. Appl. Chem. Biotechnol. 28:1978;811-822.
9. 3. J. Am. Ceram. Soc. 53:1970;440-444.
10. Johnson D.W., Gallagher P.K. Kinetics of the decomposition of freeze-dried aluminium sulfate and ammonium aluminium sulfate. J. Am. Ceram. Soc. 54:1971;461-465.
11. Cornilsen B.C., Reed J.S. Homogeneous precipitation of basic aluminium salts as precursors for alumina. Am. Ceram. Soc. Bull. 55:1979;1199-1204.