Dr. Riwandi Sihombing

Inorganic Chemistry

Senior Lecturer

Humic Materials
AluminaSilica Minerals
Catalysis

• Humic materials in the environtment (soil, sediment, aquatic) and its role as complexing agent of heavy metals.
• Modification, sinthesis and application of Aluminosilica minerals for catalyst and adsorption.
• Environmental Chemystry of inorganic pollutant.

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1. The 2nd Winner of young reseacher, 1992, University of Indonesia.
2. The winner of writer of International Scientific Journal Publication, DIKTI, Dept. Of Education and Culture, 1997
3. Anthony Mason Fellowship Award, UNSW, Sydney, Australia, 1998
4. Satyalancana Karya Satya 20 Tahun, Indonesain Government, 2007

1.  Sihombing, R., Johnson. W.D., Wilson, M.A, Johnson, M., Vassallo. A. M, Aldedice, D. (1991). “Origins of humus variation. Effects of Leaching and seasonal flooding”. Org. Geochem, 17: 85-91.
2. Greenwood, P. F, Wilson, M. A., Sihombing, R. (1995) “Pyrolysis of size exclusion humic and fulvic acid soil fractio”. Procedding 15th conf. of Australian and New Zealand for Mass Spectrometry (ANZMS), La Trobe University, Australia
3. Sihombing. R., Greenwood, P. F., Wilson, M.A., Hanna, J. V. (1996). “Molecular size distributions and nitrogen content in the swamp humic materials of myall lake area based on pyrolysis-gas chromatography and C-13 NMR”. Organic Geochemistty spectra, 24: 859-873.
4.  Yuwono, A.L, Sihombing, R., Krisnandi, Y.K., Sutarno, S., Handoko, Chitraningrum, N. (2010). “The application of tapanuli clay as nanofiller in nanocomposites: synthesis and their characterization”. International Journal of Modern Physics B, 24: 148-156
5. Mulia, R.M, Kusnoputranto, H., Moersidik, S.S., and Sihombing, R. (2012) “Optimisation operational variable of bench scale biological flue gas desulfurisation application in sulfuric acid industry”. World Applied Sciences Journal, 18: 1310-1314.
6.  Irwansyah, Sihombing, R.,Suwarso, W.P. (2012).” Self-assembly and hydrogelation of peptide amphiphiles”. Makara Journal of Science, 16: 51-57
7. Krisnandi, Y. K, Yusri S., Gotama, H.S., Octaviani, S., Sihombing, R. (2012). “Synthesis and characterization of hierarchical Co/ZSM-5 as catalyst for methane partial oxidation”. International Journal of Environment and Bioenergy, 3: 121-131
8.  Octaviani, S., Krisnandi, Y. K, Abdullah, I., Sihombing, R. (2012). “The effect of alkaline treatment to the structure of ZSM5 Zeolites”. Makara Journal of Science, 16: 155-162
9. Sihombing, R., Krisnandi, Y.K., Widya. R., Luthfiyah, S.Z., Yunarti, R.T. (2015). “Adsorption of phosphate ion in water with lithium-intercalated gibbsite”. Makara Journal of Science, 19: 131-136
10. Krisnandi. Y.K., Samodro, B.A., Sihombing, R., Howe, R.F. (2015) “Direct synthesis of methanol by partial oxidation of methane with oxygen over cobalt modified mesoporous H-ZSM-5 catalyst”. Indones. J. Chem., 15: 263 – 268.