@incollection{NarraGlaserGusoviusetal., author = {Narra, Satyanarayana and Glaser, Claudia and Gusovius, Hans-J{\"o}rg and Stollberg, Christian and Ay, Peter}, title = {Agricultural residues as a renewable source of bioenergy with special focus on cereal straws}, series = {Renewable resources and biotechnology for material applications}, booktitle = {Renewable resources and biotechnology for material applications}, editor = {Zaikov, Gennadij E. and Pudel, Frank and Spychalski, Grzegorz}, publisher = {Nova Publishers}, address = {Magdeburg}, isbn = {978-1-61209-521-9}, pages = {67 -- 79}, language = {en} } @inproceedings{NarraLogschAy, author = {Narra, Satyanarayana and Logsch, Florian and Ay, Peter}, title = {Filtration resistance of the acid treated technical lignin granules and suspensions}, series = {XXVII International Mineral Processing Congress, 20 - 24 October 2014, Chile, Santiago de Chile}, booktitle = {XXVII International Mineral Processing Congress, 20 - 24 October 2014, Chile, Santiago de Chile}, pages = {206 -- 213}, language = {en} } @inproceedings{NarraGeldtGlaseretal., author = {Narra, Satyanarayana and Geldt, Elena and Glaser, Claudia and Ay, Peter}, title = {Technical realization of the innovative roll-agglomeration of bast fibres in industrial scale}, series = {XXVII International Mineral Processing Congress, 20 - 24 October 2014, Chile, Santiago de Chile}, booktitle = {XXVII International Mineral Processing Congress, 20 - 24 October 2014, Chile, Santiago de Chile}, pages = {345 -- 355}, language = {en} } @misc{OyegbileAyNarra, author = {Oyegbile, Benjamin and Ay, Peter and Narra, Satyanarayana}, title = {Optimization of Physicochemical Process for Pre-treatment of Suspension by Flocculation Prior to Dewatering}, series = {Desalination and water treatment}, volume = {57}, journal = {Desalination and water treatment}, number = {6}, issn = {1944-3986}, doi = {10.1080/19443994.2015.1043591}, pages = {2726 -- 2736}, language = {en} } @inproceedings{NarraGruhnAy, author = {Narra, Satyanarayana and Gruhn, M. and Ay, Peter}, title = {Production of carbon fibres from technical lignin granules}, series = {21st European Biomass Conference and Exhibition, Copenhagen, Denmark, 3 - 7 June 2013}, booktitle = {21st European Biomass Conference and Exhibition, Copenhagen, Denmark, 3 - 7 June 2013}, publisher = {ETA-Florence Renewable Energies}, doi = {10.13140/RG.2.1.2139.0886}, language = {en} } @inproceedings{NarraAslanjanAy, author = {Narra, Satyanarayana and Aslanjan, Jana and Ay, Peter}, title = {Macroencapsulation of biogas residues increasing the fertilizer efficiency}, series = {21st European Biomass Conference and Exhibition, Copenhagen, Denmark, 3 - 7 June 2013}, booktitle = {21st European Biomass Conference and Exhibition, Copenhagen, Denmark, 3 - 7 June 2013}, publisher = {ETA-Florence Renewable Energies}, doi = {10.13140/RG.2.1.3187.6642}, language = {en} } @inproceedings{NarraLogschGlaseretal., author = {Narra, Satyanarayana and Logsch, Florian and Glaser, Claudia and Ay, Peter}, title = {Sludge-pelleting of paper and pulp residues}, series = {XXVI International Mineral Processing Congress - IMPC 2012, New Delhi, India, September 24 - 28, 2012}, booktitle = {XXVI International Mineral Processing Congress - IMPC 2012, New Delhi, India, September 24 - 28, 2012}, address = {New Dehli}, isbn = {81-901714-3-7}, pages = {03723 -- 03739}, language = {en} } @misc{AyGlaserHildebrandtetal., author = {Ay, Peter and Glaser, Claudia and Hildebrandt, Sven and M{\"u}ller-Fehn, Siegfried}, title = {Verfahren und Vorrichtung zur Herstellung von kugelf{\"o}rmigen Fasermengen}, abstract = {Hauptanspruch: Verfahren zur Herstellung von kugelf{\"o}rmigen Gebilden aus Fasern, - indem das Fasermaterial portioniert wird, - die portionierte Menge von Fasern in einem horizontal und vertikal begrenzten kreisf{\"o}rmig ausgebildeten Rollraum auf einem konstanten Umlaufradius einem Rollprozess unterzogen wird, der durch unterschiedliche Relativbewegungen zueinander erzeugende Rotationen einzelner ebener kreisf{\"o}rmiger Bauteile charakterisiert ist und - nach Erreichen einer im Wesentlichen allseitig nahezu runden Form der portionierten Menge von Fasern diese als Rollagglomerat aus dem Rollprozess ausgetragen wird.}, language = {de} } @misc{AyPerwinGusoviusetal., author = {Ay, Peter and Perwin, J{\"o}rg and Gusovius, Hans-J{\"o}rg and Hildebrandt, Sven}, title = {Method and device for the continuous production of fiber agglomerate}, abstract = {The invention relates to a method and device for the continuous production of fiber agglomerates by rolling agglomeration. For the production of an agglomerate, a portion of the fiber material is introduced into a ring-shape roller table which closed on all sides except for an input opening an an output opening. The fiber material portion introduced into the roller table is transported through the roller table by means of a relative movement of two surfaces of the roller table toward each other, the surfaces lying opposite each other. The fiber material is compressed in the roller table and finally discharged from an output opening of the roller table as fiber agglomerate. According to the invitation, the portioning of the fiber material is carried out by the pulling of an amount of fibers out of a stock of corresponding fiber materials is provided on a supply table for each input opening of a roller table, and portions are continously pulled out of said stock by the repeated movement through the sock of carrier means of a pulling device designed therefor and released into the roller table.}, language = {en} } @misc{AyGusoviusHildebrandt, author = {Ay, Peter and Gusovius, Hans-J{\"o}rg and Hildebrandt, Sven}, title = {Verfahren und Einrichtung zur Herstellung von pelletartigen K{\"o}rpern aus ungebundenen Fasern}, language = {de} } @misc{AyNarraGlaser, author = {Ay, Peter and Narra, Satyanarayana and Glaser, Claudia}, title = {Vorrichtung zur Herstellung von Agglomeraten}, abstract = {Die Erfindung betrifft eine Rollagglomerations-Vorrichtung zur Herstellung von Agglomeraten aus einem Feststoff-F{\"u}ssigkeitsgemisch. Die Vorrichtung weist ein Transportmittel zum Transport eines Feststoff-Fl{\"u}ssigkeitsgemisches in Richtung der L{\"a}ngsachse des Transportmittles und ein Pressmittel auf, welches so zum Transportmittel beabstandet angeordnet ist, dass ein Pressmittel auf das auf der Auflagefl{\"a}che des Transportmittels befindlichen Feststoff-Fl{\"u}ssigkeitsgemisches einen Druck aus{\"u}ben kann, wobei das Transportmittle oder das Pressmittel quer zur L{\"a}ngsachse des Transportmittels bewegbar sind.}, language = {de} } @misc{NarraGlaserAy, author = {Narra, Satyanarayana and Glaser, Claudia and Ay, Peter}, title = {Verfahren zur Herstellung von Langzeitd{\"u}nger aus G{\"a}rresten mittels Verkapselung}, abstract = {Die Erfindung betrifft ein Verfahren zur Herstellung von D{\"u}nger aus G{\"a}rresten, wobei die Inhaltsstoffe aus den enthaltenen Zubereitungen lang anhaltend freigesetzt werden.}, language = {de} } @misc{NarraGlaserAyetal., author = {Narra, Satyanarayana and Glaser, Claudia and Ay, Peter and Logsch, Florian}, title = {Verfahren zur Herstellung von wasserunl{\"o}slichen Lignin-Agglomeraten}, abstract = {Die Erfindung betrifft ein Verfahren zur Herstellung von wasserunl{\"o}slichen Agglomeraten aus Ablauge eines Cellulosegewinnungsprozesses. Erfindungsgem{\"a}ß umfasst das Verfahren die folgenden Schritte: 1. Durchf{\"u}hrung einer Granulation mit der Ablauge zur Erzeugung von Lignin-Agglomeraten und 2. Behandeln der erzeugten Lignin-Agglomerate mit einer S{\"a}ure.}, language = {de} } @misc{HildebrandtPeter, author = {Hildebrandt, Sven and Peter, Ay}, title = {Rollagglomeration und Wickelverfahren - Durchbruch in der Langfaseraufbereitung nachwachsender Rohstoffe}, series = {Forum der Forschung}, volume = {8}, journal = {Forum der Forschung}, number = {17}, issn = {0947-6989}, pages = {106 -- 111}, language = {de} } @incollection{StollbergPempelGaertigetal., author = {Stollberg, Christian and Pempel, Harry and G{\"a}rtig, T. and Ay, Peter}, title = {Automatische Sortierung und m{\"o}gliche Wege der Wiederverwertung von Kunststoffen aus dem Altfahrzeugbereich}, series = {Integrative Strategien f{\"u}r eine nachhaltige Abfallwirtschaft : Auswirkungen der EU-Politik auf Baden-W{\"u}rttemberg}, booktitle = {Integrative Strategien f{\"u}r eine nachhaltige Abfallwirtschaft : Auswirkungen der EU-Politik auf Baden-W{\"u}rttemberg}, publisher = {Oldenbourg-Industrieverlag}, address = {Essen [u.a.]}, isbn = {3-486-63063-6}, pages = {40 -- 44}, language = {de} } @inproceedings{GaydardzhievAy, author = {Gaydardzhiev, Stoyan and Ay, Peter}, title = {Implication of surface charge effects in colour removal from effluents by chemical coagulation in the case of CI Reactive Blue dye}, series = {Partec 2004, proceedings, N{\"u}rnberg, Germany 16 - 18 march 2004, International Congress for Particle Technology}, booktitle = {Partec 2004, proceedings, N{\"u}rnberg, Germany 16 - 18 march 2004, International Congress for Particle Technology}, editor = {Pratsinis, Sotiris E.}, publisher = {N{\"u}rnbergMesse-GmbH}, address = {N{\"u}rnberg}, language = {en} } @misc{WalaszekAy, author = {Walaszek, Wiktoria and Ay, Peter}, title = {Pelleting flocculation - an alternitive technique to optimise sludge conditioning}, series = {International journal of mineral processing}, volume = {76}, journal = {International journal of mineral processing}, number = {3}, pages = {173 -- 180}, language = {en} } @misc{HildebrandtAyGusovius, author = {Hildebrandt, Sven and Ay, Peter and Gusovius, Hans-J{\"o}rg}, title = {Ersatz von Glasfasern}, series = {KunststoffMagazin}, journal = {KunststoffMagazin}, number = {9}, language = {de} } @inproceedings{StollbergPempelSchwabeetal., author = {Stollberg, Christian and Pempel, Harry and Schwabe, M. and Peter, Ay}, title = {Automatische Sortierung und M{\"o}glichkeiten der Verwertung von Kunststoffen aus dem Altfahrzeugbereich}, series = {TECHNOMER 2005, 19. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 10. - 12. November 2005, Chemnitz}, booktitle = {TECHNOMER 2005, 19. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 10. - 12. November 2005, Chemnitz}, publisher = {Techn. Univ.}, address = {Chemnitz}, language = {de} } @inproceedings{StollbergPempelSchwabeetal., author = {Stollberg, Christian and Pempel, Harry and Schwabe, M. and Ay, Peter}, title = {Qualit{\"a}tssicherung bei der automatischen R{\"u}ckgewinnung von Kunststoffen aus komplexen automobilen Anwendungen}, series = {TECHNOMER 2005, 19. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 10. - 12. November 2005, Chemnitz}, booktitle = {TECHNOMER 2005, 19. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 10. - 12. November 2005, Chemnitz}, publisher = {Techn. Univ.}, address = {Chemnitz}, language = {de} } @inproceedings{AyGaydardzhiev, author = {Ay, Peter and Gaydardzhiev, Stoyan}, title = {Surface charge studies - an important approach for investigation of color removal from textile waste water by chemical coagulation}, series = {International seminar on mineral proceesing technology (MPT-2004), 19 - 21 February 2004}, booktitle = {International seminar on mineral proceesing technology (MPT-2004), 19 - 21 February 2004}, publisher = {Allied Publishers}, address = {New Delhi [u.a.]}, isbn = {81-7764-599-4}, pages = {741 -- 748}, language = {en} } @misc{AyGlaser, author = {Ay, Peter and Glaser, Claudia}, title = {Aufbereitung von Fetts{\"a}uregemischen aus nachwachsenden Rohstoffen}, series = {Forum der Forschung}, volume = {7}, journal = {Forum der Forschung}, number = {16}, issn = {0947-6989}, pages = {135 -- 142}, language = {de} }