student research projects on urban geoscience issues: volcanic hazards, urban waste and beach...
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![Page 1: Student Research projects on urban geoscience issues: Volcanic Hazards, Urban Waste and Beach Hazards Dept of Earth and Environmental Sciences / Munich](https://reader035.vdocument.in/reader035/viewer/2022062423/5697bfeb1a28abf838cb823c/html5/thumbnails/1.jpg)
Student Research projects on urban geoscience issues:
Volcanic Hazards, Urban Waste and Beach Hazards
Dept of Earth and Environmental Sciences / Munich GeoCenter
Cristina P. De Campos
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Volcanic Hazards:
Volcanic Hazard = f (Volcanic activity X Urban Environment)
Naples
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Students projects:
Volcanologic Excursion : 10 days trip to the Eolian Islands or Canary Islands
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Waste Hazards:
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Waste Hazards:
Soraya Heuss-Assbichler
Mineralogy of Municiple Solid Waste Incineration Residues
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20 kg
APC residueBoiler ashBottom ash
Scrap metal
Volume reduction atabout 90 vol.- %
material flow in a MSWI
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metallic Aluminium 2 Al + 6 H2O 2 Al(OH)3 + 3 H2
– pH 4,5 – 8,8protective oxide film
– pH > 10– pH < 4
increasing solubility
– Cl - Milieu pitting corrosion
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Different types of corrosion textures in altered bottom ashesresulting in hydrogen production at alkaline reaction conditions
A) type 1 - Al particle surrounded by a rim of aluminum hydroxide, B) type 2 - multiphase rim around Al: Al hydroxide, hydrocalumite, monosulfate or ettringite, C) detail image of multiphase rim, (BSE image)
A B
AlOOH
Ett
Hc
Al
C
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Concentration of hydrogen in landfill gas observed in a monofill in S-Germany LEL: lower explosion limit for hydrogen in contact with air
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Beach Hazards
Federal University of Rio de Janeiro UFRJ
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Final maps