Fostering the properties of Zr0.8Sn0.2TiO4 (ZST) ceramics via freeze granulation without sintering additives S. M. Olhero, Ajay Kaushal and J. M. F. Ferreira The present paper reports the overall benefits of freeze granulation for enhancing the properties of zirconium tin titanate Zr0.8Sn0.2TiO4 (ZST) ceramics in the total absence of sintering additives. The ZST powder was synthesized… Continue reading ZST ceramics via freeze granulation
Category: Scientific papers
A comparison between spray drying and spray freeze drying for dry powder inhaler formulation of drug-loaded lipid–polymer hybrid nanoparticles
A comparison between spray drying and spray freeze drying for dry powder inhaler formulation of drug-loaded lipid–polymer hybrid nanoparticles
Spray-freeze-drying for protein powder preparation
Spray-freeze-drying for protein powder preparation: particle characterization and a case study with trypsinogen stability Sonner C, Maa YF, Lee G This work investigates the use of spray freeze-drying (SFD) to produce protein loaded particles suitable for epidermal delivery. In the first part of the study, the effects of formulation and process conditions on particle properties are… Continue reading Spray-freeze-drying for protein powder preparation
Impedance analysis of 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 ceramics consolidated from micro-granules
Impedance analysis of 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 ceramics consolidated from micro-granules Abstract This work aims to contribute new data on the dielectric relaxation behavior of the lead-free piezoelectric 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 (BZT–BCT) material processed in aqueous media. To obtain a BZT–BCT ceramic with high density, an aqueous suspension of BZT–BCT material was successfully transferred to spherical granules via freeze granulation,… Continue reading Impedance analysis of 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 ceramics consolidated from micro-granules
Freeze Granulation for distribution of carbon nanotubes in alumina matrix
New approach for distribution of carbon nanotubes in alumina matrix Ondrej Hanzel, , Jaroslav Sedláček , Pavol Šajgalík Alumina–carbon nanotubes composites were studied with respect to obtain the homogeneous distribution of nanotubes within the alumina matrix. Disaggregation and uniform dispersion of carbon nanotubes in alumina matrix are crucial requirements for improvement fracture toughness and also… Continue reading Freeze Granulation for distribution of carbon nanotubes in alumina matrix
Synthesis of Li-ion battery cathode materials via freeze granulation
Keivan Amiri Kasvayee Department of Materials and Manufacturing Technology Chalmers University of Technology Göteborg, Sweden Synthesis of Li-ion battery cathode materials via freeze granulation Summary Recently, enormous efforts have been done within the development of Li-ion batteries for use in portable electric devices from small scale applications such as mobile phones, digital cameras, laptop computers,… Continue reading Synthesis of Li-ion battery cathode materials via freeze granulation
Freeze granulation: Powder processing for transparent alumina applications
Michael Stuer, Zhe Zhao and Paul Bowen Freeze granulation – Powder processing for transparent alumina applications Use of freeze granulated powders is successfully used as an industrially viable alternative to loose powder sintering for transparent polycrystalline alumina (PCA). Freeze granulation with narrow granule size distribution was realized after suspension condition optimization, with very good flowability and regular… Continue reading Freeze granulation: Powder processing for transparent alumina applications
Freeze Granulation: A novel technique for low-loss Mn-Zn ferrites
Vasiliki Tsakaloudi, George Kogias, Vassilios Zaspalis Laboratory of Inorganic Materials, Chemical Process Engineering Research Institute,Centre for Research and Technology-Hellas, 57001 Thermi-Thessaloniki, Greece Freeze Granulation – A novel technique for low-loss Mn-Zn ferrites In the present study the freeze granulation technique is applied in the manufacturing process of Mn-Zn power ferrites. The powders are prepared by… Continue reading Freeze Granulation: A novel technique for low-loss Mn-Zn ferrites
Recent advances in granulation technology
Himanshu.K.Solanki, Tarashankar Basuri, Jalaram H.Thakkar, Chirag A. Patel Department of Pharmacy, SSR College of Pharmacy, Sayli-silvassa Road, Sayli, UT of D& NH-396230, India. RECENT ADVANCES IN GRANULATION TECHNOLOGY Granulation is one of the most important unit operations in the production of pharmaceutical oral dosage forms. Granulation process will improve flow and compression characteristics, reduce segregation,… Continue reading Recent advances in granulation technology
Freeze-granulated Fe2O3/Al2O3 Oxygen Carrier for Chemical Looping Combustion
Yi Zhang, Aurora M. Rubel, Sameh Mehrez, James K. Neathery & Kunlei Liu Center for Applied Energy Research, University of Kentucky, Lexington, USA Influence of Porosity on Performance of Freeze-granulated Fe2O3-Al2O3 Oxygen Carriers Used for Chemical Looping Combustion Chemical looping combustion (CLC) is a promising solution for the next coal-fired power generation technology with inherent CO2 separation… Continue reading Freeze-granulated Fe2O3/Al2O3 Oxygen Carrier for Chemical Looping Combustion