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Ralf Wollenberg

Freiberg University of Mining and Technology

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Publication

Featured researches published by Ralf Wollenberg.

Biomass & Bioenergy | 2012

Effect of miscanthus addition and different grinding processes on the quality of wood pellets

Bastian Lehmann; Hans-Werner Schröder; Ralf Wollenberg; Jens-Uwe Repke

Energy & Fuels | 2011

Effect of Process Variables on the Quality Characteristics of Pelleted Wood–Xylite Mixtures

Bastian Lehmann; Hans-Werner Schröder; Ralf Wollenberg; Raimund Lange; Jens-Uwe Repke

Archive | 1996

Production of solid porous lignite fuels

Wolfgang Naundorf; Friedmar Dr Ing Rehn; Anita Biegel; Ralf Wollenberg; Dietmar Trommer; Hans-Werner Schroeder

Archive | 1992

Compaction of waste esp. clarification sludge - to obtain strong pressings for use in coal pressure gasification

Manfred Dipl Ing Struedinger; Reinhard Dipl Ing Skoddow; Rainer Dipl Ing Giering; Klaus-Peter Hoffmann; Peter Dipl Ing Dunkel; Wolfgang Naundorf; Dietmar Trommer; Hans-Werner Schroeder; Ralf Wollenberg

Archive | 1997

Making oleophilic, buoyant, flowing, absorbent cellulosic granules capable of e.g. mopping-up oil spills on water

Wolfgang Naundorf; Ralf Wollenberg; Dietmar Trommer; Mario Kuschel

BHM Berg- und Hüttenmännische Monatshefte | 2010

Verbundpellets aus biogenen Reststoffen und Nebenprodukten der Braunkohlenförderung

Bastian Lehmann; Hans-Werner Schröder; Ralf Wollenberg; Georg Härtel

Archive | 2001

Production of high value small piece fuels from raw materials involves using granulating mixer with activated soft brown coal as granulating agent and binder

Wolfgang Naundorf; Hans-Werner Schroeder; Dietmar Trommer; Ralf Wollenberg

Archive | 1992

PROCESS FOR BRIQUETTING AND COMPACTING FINE GRAINED MATERIALS

Harald Guenter; Wolfgang Naundorf; Dietmar Trommer; Ralf Wollenberg

Archive | 2013

Solid material feed system for supplying solid fuel such as lignite, coal and briquette, has pressing tool that is provided with rigid mold channel which is provided with cooling channels around baling chamber

Bernd Meyer; Ralf Wollenberg; Jens-Uwe Repke; Hans-Werner Schröder; Dietmar Trommer; Volker Herdegen; Dirk Wieghardt; Alexander Rosin

Archive | 2013

Continuous working lockless solid feed system for pressurized gasification reactors, has extrusion press with pressing tool connected to gas pressure conducting connection strand for reactors

Jens-Uwe Repke; Hans-Werner Schröder; Dietmar Trommer; Ralf Wollenberg; Heiner Gutte; Alexander Rosin; Bernd Meyer

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Hans-Werner Schröder

Freiberg University of Mining and Technology

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Wolfgang Naundorf

Freiberg University of Mining and Technology

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Dietmar Trommer

Freiberg University of Mining and Technology

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Bastian Lehmann

Freiberg University of Mining and Technology

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Jens-Uwe Repke

Technical University of Berlin

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Hans-Werner Schroeder

Freiberg University of Mining and Technology

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Georg Härtel

Freiberg University of Mining and Technology

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Alexander Rosin

Freiberg University of Mining and Technology

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Franz-Josef Menge

Bayer

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Bernd Meyer

Freiberg University of Mining and Technology

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