The Experts below are selected from a list of 6858 Experts worldwide ranked by ideXlab platform
Eric Dickinson - One of the best experts on this subject based on the ideXlab platform.
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structural and rheological properties of Aerated high sugar Systems containing egg albumen
Journal of Food Science, 2006Co-Authors: K Lau, Eric DickinsonAbstract:: Structural and rheological properties have been investigated for an Aerated System containing a high content of invert sugar and 2 to 10 wt% egg albumen. The specific gravity and the overrun were found to be influenced by the protein concentration and the whipping time. The Systems exhibited rheopexy and shear-thinning at high shear rate, with flow data fitted to a power-law model. At small deformations, viscous character was found to dominate over elastic character over the frequency range 10−2 to 10 Hz. Images taken from confocal microscopy indicated that mean bubble size and concentration varied Systematically with protein concentration and whipping time, and that more protein accumulated on the bubble surfaces as whipping proceeded. The study of this model System illustrates how the texture of a high sugar content Aerated food depends on protein content and whipping conditions.
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Instability and structural change in an Aerated System containing egg albumen and invert sugar
Food Hydrocolloids, 2005Co-Authors: Cathy Ka Lau, Eric DickinsonAbstract:Instability mechanisms and dynamic structural changes have been investigated for an unstable Aerated sugar System containing 2–6 wt% egg albumen. Reducing the invert sugar concentration in the serum phase (from 82% total solids) produced a foam of much higher overrun, but it led to an increased rate of destabilization. Liquid drainage could be readily detected for samples with
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instability and structural change in an Aerated System containing egg albumen and invert sugar
Food Hydrocolloids, 2005Co-Authors: Cathy Ka Lau, Eric DickinsonAbstract:Instability mechanisms and dynamic structural changes have been investigated for an unstable Aerated sugar System containing 2–6 wt% egg albumen. Reducing the invert sugar concentration in the serum phase (from 82% total solids) produced a foam of much higher overrun, but it led to an increased rate of destabilization. Liquid drainage could be readily detected for samples with <60% sugar. On standing, three separate layers consisting of different bubble compositions were observed to appear in the foam column. Foam half-life and initial drainage rate were mainly controlled by the sugar content (viscosity effect) and the whipping time (protein aggregation effect). A series of images obtained by confocal microscopy illustrates the complex dynamical structural changes that took place during foam evolution. The destabilization process appeared mainly to involve a combination of creaming of large bubbles and disproportionation of closely neighbouring bubbles of different sizes. An interesting feature revealed by confocal microscopy of the middle foam layer of some aged samples was the formation of a gel-like network composed of flocculated uniform small bubbles. This bubble network was observed to be permeated by mobile liquid pores which allowed some of the larger bubbles to pass through the network under the influence of gravity-driven hydrodynamic flow.
Nik Abdul Hadi Md Nordin - One of the best experts on this subject based on the ideXlab platform.
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patterned membrane in an energy efficient tilted panel filtration System for fouling control in activated sludge filtration
Polymers, 2020Co-Authors: Aisyah Osman, Normi Izati Mat Nawi, Shafirah Samsuri, Muhammad Roil Bilad, Norazanita Shamsuddin, Asim Laeeq Khan, Juhana Jaafar, Nik Abdul Hadi Md NordinAbstract:A membrane bioreactor enhances the overall biological performance of a conventional activated sludge System for wastewater treatment by producing high-quality effluent suitable for reuse. However, membrane fouling hinders the widespread application of membrane bioreactors by reducing the hydraulic performance, shortening membrane lifespan, and increasing the operational costs for membrane fouling management. This study assesses the combined effect of membrane surface corrugation and a tilted panel in enhancing the impact of air bubbling for membrane fouling control in activated sludge filtration, applicable for membrane bioreactors. The filterability performance of such a System was further tested under variable parameters: Filtration cycle, aeration rate, and intermittent aeration. Results show that a combination of surface corrugation and panel tilting enhances the impact of aeration and leads to 87% permeance increment. The results of the parametric study shows that the highest permeance was achieved under short filtration–relaxation cycle of 5 min, high aeration rate of 1.5 L/min, and short switching period of 2.5 min, to yield the permeances of 465 ± 18, 447 ± 2, and 369 ± 9 L/(m2h bar), respectively. The high permeances lead to higher operational flux that helps to lower the membrane area as well as energy consumption. Initial estimation of the fully Aerated System yields the energy input of 0.152 kWh/m3, much lower than data from the full-scale references of <0.4 kWh/m3. Further energy savings and a lower System footprint can still be achieved by applying the two-sided panel with a switching System, which will be addressed in the future.
Aisyah Osman - One of the best experts on this subject based on the ideXlab platform.
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patterned membrane in an energy efficient tilted panel filtration System for fouling control in activated sludge filtration
Polymers, 2020Co-Authors: Aisyah Osman, Normi Izati Mat Nawi, Shafirah Samsuri, Muhammad Roil Bilad, Norazanita Shamsuddin, Asim Laeeq Khan, Juhana Jaafar, Nik Abdul Hadi Md NordinAbstract:A membrane bioreactor enhances the overall biological performance of a conventional activated sludge System for wastewater treatment by producing high-quality effluent suitable for reuse. However, membrane fouling hinders the widespread application of membrane bioreactors by reducing the hydraulic performance, shortening membrane lifespan, and increasing the operational costs for membrane fouling management. This study assesses the combined effect of membrane surface corrugation and a tilted panel in enhancing the impact of air bubbling for membrane fouling control in activated sludge filtration, applicable for membrane bioreactors. The filterability performance of such a System was further tested under variable parameters: Filtration cycle, aeration rate, and intermittent aeration. Results show that a combination of surface corrugation and panel tilting enhances the impact of aeration and leads to 87% permeance increment. The results of the parametric study shows that the highest permeance was achieved under short filtration–relaxation cycle of 5 min, high aeration rate of 1.5 L/min, and short switching period of 2.5 min, to yield the permeances of 465 ± 18, 447 ± 2, and 369 ± 9 L/(m2h bar), respectively. The high permeances lead to higher operational flux that helps to lower the membrane area as well as energy consumption. Initial estimation of the fully Aerated System yields the energy input of 0.152 kWh/m3, much lower than data from the full-scale references of <0.4 kWh/m3. Further energy savings and a lower System footprint can still be achieved by applying the two-sided panel with a switching System, which will be addressed in the future.
Asim Laeeq Khan - One of the best experts on this subject based on the ideXlab platform.
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patterned membrane in an energy efficient tilted panel filtration System for fouling control in activated sludge filtration
Polymers, 2020Co-Authors: Aisyah Osman, Normi Izati Mat Nawi, Shafirah Samsuri, Muhammad Roil Bilad, Norazanita Shamsuddin, Asim Laeeq Khan, Juhana Jaafar, Nik Abdul Hadi Md NordinAbstract:A membrane bioreactor enhances the overall biological performance of a conventional activated sludge System for wastewater treatment by producing high-quality effluent suitable for reuse. However, membrane fouling hinders the widespread application of membrane bioreactors by reducing the hydraulic performance, shortening membrane lifespan, and increasing the operational costs for membrane fouling management. This study assesses the combined effect of membrane surface corrugation and a tilted panel in enhancing the impact of air bubbling for membrane fouling control in activated sludge filtration, applicable for membrane bioreactors. The filterability performance of such a System was further tested under variable parameters: Filtration cycle, aeration rate, and intermittent aeration. Results show that a combination of surface corrugation and panel tilting enhances the impact of aeration and leads to 87% permeance increment. The results of the parametric study shows that the highest permeance was achieved under short filtration–relaxation cycle of 5 min, high aeration rate of 1.5 L/min, and short switching period of 2.5 min, to yield the permeances of 465 ± 18, 447 ± 2, and 369 ± 9 L/(m2h bar), respectively. The high permeances lead to higher operational flux that helps to lower the membrane area as well as energy consumption. Initial estimation of the fully Aerated System yields the energy input of 0.152 kWh/m3, much lower than data from the full-scale references of <0.4 kWh/m3. Further energy savings and a lower System footprint can still be achieved by applying the two-sided panel with a switching System, which will be addressed in the future.
Norazanita Shamsuddin - One of the best experts on this subject based on the ideXlab platform.
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patterned membrane in an energy efficient tilted panel filtration System for fouling control in activated sludge filtration
Polymers, 2020Co-Authors: Aisyah Osman, Normi Izati Mat Nawi, Shafirah Samsuri, Muhammad Roil Bilad, Norazanita Shamsuddin, Asim Laeeq Khan, Juhana Jaafar, Nik Abdul Hadi Md NordinAbstract:A membrane bioreactor enhances the overall biological performance of a conventional activated sludge System for wastewater treatment by producing high-quality effluent suitable for reuse. However, membrane fouling hinders the widespread application of membrane bioreactors by reducing the hydraulic performance, shortening membrane lifespan, and increasing the operational costs for membrane fouling management. This study assesses the combined effect of membrane surface corrugation and a tilted panel in enhancing the impact of air bubbling for membrane fouling control in activated sludge filtration, applicable for membrane bioreactors. The filterability performance of such a System was further tested under variable parameters: Filtration cycle, aeration rate, and intermittent aeration. Results show that a combination of surface corrugation and panel tilting enhances the impact of aeration and leads to 87% permeance increment. The results of the parametric study shows that the highest permeance was achieved under short filtration–relaxation cycle of 5 min, high aeration rate of 1.5 L/min, and short switching period of 2.5 min, to yield the permeances of 465 ± 18, 447 ± 2, and 369 ± 9 L/(m2h bar), respectively. The high permeances lead to higher operational flux that helps to lower the membrane area as well as energy consumption. Initial estimation of the fully Aerated System yields the energy input of 0.152 kWh/m3, much lower than data from the full-scale references of <0.4 kWh/m3. Further energy savings and a lower System footprint can still be achieved by applying the two-sided panel with a switching System, which will be addressed in the future.