@inproceedings{WalaszekAy, author = {Walaszek, Wiktoria and Ay, Peter}, title = {Pelleting flocculation as a tool to optimize slugde conditioning}, series = {Proceedings of the XXIII International Mineral Processing Congress,Istanbul, Turkey 3-8 September 2006, Vol. 2}, booktitle = {Proceedings of the XXIII International Mineral Processing Congress,Istanbul, Turkey 3-8 September 2006, Vol. 2}, editor = {{\"O}nal, G{\"u}ven}, publisher = {Promed Advertising Agency}, address = {Istanbul}, isbn = {975-7946-29-X}, pages = {1631 -- 1636}, language = {en} } @misc{WalaszekAy, author = {Walaszek, Wiktoria and Ay, Peter}, title = {Extended interpretation of structured attributes of pellet-flocs in pelleting flocculation}, series = {Minerals Engineering}, volume = {19}, journal = {Minerals Engineering}, number = {13}, issn = {0892-6875}, pages = {1397 -- 1400}, language = {en} } @misc{WalaszekAy, author = {Walaszek, Wiktoria and Ay, Peter}, title = {Porosity and interior structure analysis of pellet flocs}, series = {Colloids and Surfaces A: Physicochemical and Engineering Aspects}, volume = {280}, journal = {Colloids and Surfaces A: Physicochemical and Engineering Aspects}, number = {1-3}, issn = {0927-7757}, pages = {155 -- 162}, 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} } @inproceedings{StollbergSchmidtNamangoetal., author = {Stollberg, Christian and Schmidt, M. and Namango, Saul and Pohl, R. and Ay, Peter}, title = {Conditioning, Identification and Automatic Sorting of Plastic Automotive Parts for Productive Recycling}, series = {International Automobile Recycling Congress, IARC 2002, Geneva, Switzerland, March 13 - 15, 2002, proceedings}, booktitle = {International Automobile Recycling Congress, IARC 2002, Geneva, Switzerland, March 13 - 15, 2002, proceedings}, publisher = {ICM AG}, address = {Muri}, language = {en} } @misc{StollbergPedaSmieszeketal., author = {Stollberg, Christian and Peda, Stefan and Smieszek, Marlene and Gerath, H. and Jurischka, Constantin and Ay, Peter}, title = {New Downstream approaches for highly pure substances and bio fine chemicals from plant materials}, series = {Agricultural Engineering : Research papers}, volume = {43}, journal = {Agricultural Engineering : Research papers}, number = {3}, issn = {1392-1134}, pages = {58 -- 66}, language = {en} } @inproceedings{StollbergNamangoSchmidtetal., author = {Stollberg, Christian and Namango, Saul and Schmidt, M. and Pohl, R. and Ay, Peter}, title = {Preparation of plastics for automatic identification as the first step in recycling of automotive parts}, series = {Proceedings of the XXII International Mineral Processing Congress, Cape Town, South Africa, 29 September - 3 October 2003}, booktitle = {Proceedings of the XXII International Mineral Processing Congress, Cape Town, South Africa, 29 September - 3 October 2003}, publisher = {South African Institute of Mining \& Meta}, address = {Marshalltown, South Africa}, language = {en} } @misc{SinghGaydardzhievAy, author = {Singh, Bimal P. and Gaydardzhiev, Stoyan and Ay, Peter}, title = {Stabilization of aqueous silicon nitride suspension with Dolapix A 88}, series = {Journal of Dispersion Science and Technology}, volume = {27}, journal = {Journal of Dispersion Science and Technology}, number = {1}, issn = {1532-2351}, pages = {91 -- 97}, 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} } @misc{OyegbileAyNarra, author = {Oyegbile, Benjamin and Ay, Peter and Narra, Satyanarayana}, title = {Optimisation of micro-processes for shear-assisted solid-liquid separation in a rotatory batch flow vortex reactor}, series = {Journal of Water Reuse and Desalination}, volume = {6}, journal = {Journal of Water Reuse and Desalination}, number = {1}, doi = {10.2166/wrd.2015.057}, pages = {125 -- 136}, abstract = {This paper reports the study of micro-processes in a novel pre-treatment technique using a pellet forming batch flow vortex reactor of cylindrical shape that consists of axially revolving rotor plates between fixed stator plates. The suspension was first mixed with high molecular weight synthetic polymers by stirring for approximately 50 seconds and then agitated for 20 minutes. The process was optimised for a number of operating conditions including polymer type and dosing regimen, rotation speed, wall-plate gap distance, residence time and suspension filling method. The results of the investigation show that optimising a number of process variables that influence floc formation and growth, along with specific apparatus construction and geometry, help to maintain the suspension in a metastable state that is crucial for the formation of pellet-like compact agglomerates with better dewaterability and uniform aggregate size. A maximum dry solids content of 28.3\% after gravity dewatering through a 0.5 mm sieve was recorded during the investigation, with a maximum particle removal efficiency of 97.5\%.}, language = {en} }