ALTERING FERROUS SULPHATE TO SYNTHETIC GOETHITE
DOI:
https://doi.org/10.30556/imj.Vol12.No2.2009.563Keywords:
ferrous sulphate, synthetic goethite, catalyst, coal liquefactionAbstract
Catalyst is required in any reaction. Coal liquefaction is one of the processes to have need of it. The most common catalyst used in the process is ferrous based catalyst. It is very influenced by pyrhotite, which may be occurred from goethite while goethite can be composed of any iron sources. The research had the use of ferrous sulphate as the main iron source, which was reacted with caustic soda. Parameters on molar ratio of the FeSO4.7H2O/NaOH were 0.2 and 0.33, reaction time applied were 3.5; 6.5 and 17.15 hours, oxygen flow rates of 100; 200; 300; 400 and 500 cc/minute were also observed. The best result was achieved at 0.2 molar ratio of the FeSO4.7H2O/NaOH within 6.5 hours by oxidation process that was containing pure goethite, while 100 cc/minute of oxygen rate was enough for the process to be happened.
References
Anonymous,2006. Oxides and Hydroxides. www.soils.wise.esdu. Accessed on February 16,2006.
Anonymous, 2007. http://en.wikipedia.org/wiki/
Catalyst. Accessed on February 4, 2007.
Cabral Prieto A., Reyes Felipe A.A., and Siles Dotor M.G., 1998.. Syntesis and Character- ization of Ananophasic Goethite. Nanostructured Material Vol. 10 No.2 pp.311-
Elsevier Ltd, USA.
Cugini A.V, Krastman D, Lett R.G, Balsone V.D. 1994, “ Development of a dispersed iron cata- lyst for first stage coal liquefaction”, Catalysis Today 19 395-408.
Kaneko, T et. al., 1997. Transformation of Iron Catalyst to active Phase in Coal Liquefaction. Energy and Fuels 1998, 12, 897-904.
Sariman et. al., 2006. Pembuatan Katalis Pencairan Batubara Berbasis Besi dan Min- eral. Laporan Teknik Penelitian Pengolahan Mineral No.LPPM 2006.03 Puslitbang Teknologi Mineral dan Batubara (tekMIRA).
Downloads
Issue
Section
License
Indonesian Mining Journal provides immediate open access to its content on the principle that making research freely available to the public to supports a greater global exchange of knowledge.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
