Prof. Dr. Walter A. Franke

Arbeitsbereich Mineralogie-Petrologie
Professor
Room T 103
12249 Berlin
Positions Held
since 1995
retired, until 1996 visiting professor at Freie Universität Berlin
1971 - 1995
Venia legendi in mineralogy / Professorship, Freie Universität Berlin
1969 - 1971
Akademischer Rat (senior lecturer), Freie Universität Berlin
1964 - 1968
Wissenschaftlicher Assistent (assistant lecturer), Freie Universität Berlin
Education
1960 - 1963
Doctoral candidate at Freie Universität Berlin
Degree: Dr. rer. nat. in Minerlaogy / Ph.D.
1954 - 1963
Student at Freie Universität berlin
Major subjects: chemistry and mineralogy
Minor subjects: physics, geology, chemical and process engineering
Degree: Diplomchemiker (M.Sc. Chem.)
Fields of Investigation
since 2002
dry quicksand (1 paper) /azurite patina on bronze (2 paper)
unusual NaCl morphology (1 paper)
rock weathering test (1 paper)
Fluorite morphology influenced by adsorption of water (1 paper)
English textbook „Quick assays in mineral determination“
1999 - 2001
Weathering protective coatings on calcite and concrete (3 papers)
1994 - 1998
Diffusion controlled crystal growth (6 papers)
1996
Production of narrow grain-sized brucite (1 patent)
1986 - 1996
Immobilization of base metals and actinides (1 patent, 3 papers)
1985 - 2009
Experimental weathering of minerals and rocks (2 papers)
1975 - 1992
The morphology of hydrothermal formed minerals (25 papers)
1981 - 1987
Experimental investigation into the formation of secondary uranium minerals (1 paper)
1968 - 1970
High temperature hydrolysis of fluorides (3 papers)
1967 - 1975
Molecular kinetic theory of the dissolution of single crystal spheres (17 papers)
1961 - 1966
Thermochemistry of water-containing crystals (10 papers)
Cooperations with industrial companies
since 1996
Cooperation with Ingenieurbüro Dr. R. Ballhorn/Darmstadt (recycling of industrial slag, high refractory stones)
1995 - 1996
Chemische Werke Marl/Hüls (recycling of filter-dust)
1990 - 1994
Buchholz Umwelttechnik Langenhagen (immobilization of base metals in waste water)
1986 - 1996
Berzelius Umwelt Service Chemie GmbH (recycling of slag)
1988
Harbauer Umwelttechnik Berlin (soil cleaning)
1986 - 1988
CIT Berlin / Siborit Lüneburg (heat resistent light-weight bricks)
Other fields of scientific interest
Desert landforms and arid weathering ( excursions, lectures,3 papers )
History of technique and science, environmental science ( lectures )
Rock weathering effects (lectures, 2 papes)
Quick assays in mineral determination (textbook and lectures)
Radioactivity + deposition of nuclear waste (lectures, 3 papers)
Grants
09/1995 - 03/1996
Visiting Prof. Freie Universität Berlin
1994 - 1997
INTAS 93-2498 (International Association for Cooperation with Scientists of the former Soviet Union, Brussels)
"Experimental and theoretical investigations of effects and mechanisms of crystal habit formation in connection with mineral genesis"
Project coordinator for joint work in crystal chemistry together with nine Senior Scientists in St. Petersburg and Prof. Dr. C.F. Woensdregt in Utrecht/ NL
1991 - 1994
Cooperation with the Department of radiochemistry, Freie Universität Berlin, Prof. Dr.-Ing. G. Marx:
Federal secretary of technology and science FKZ 02E8030
"Investigation into the preferred immobilization of polyvalent cations in the backfill of a radioactive waste deposit by means of hydroxylapatite"
1990
Secretary of business and commerce, Lower Saxony (Germany):
"Development of a pilot plant for treatment of base metal containing waste water"
1975 - 1980
Special funds of the Freie Universität Berlin
Hydrothermal model systems
1984 - 1988
Special funds of the Freie Universität Berlin
Geothermometer at low termperatures
1978 -1981
Deutsche Forschungsgemeinschaft (DFG)
Hydrothermally formed minerals
1964 - 1968
Deutsche Forschungsgemeinschaft (DFG)
Crystal hydrates and thermal expansion