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IbD PU Deliverable 3.1 at an annual capacity of 10,000 tons, was demonstrated by Chen and Shao (2003). Based on their study, the RPB can control and adjust the CaCO3 particles’ size in the range of 17-36 nm by varying the operating parameters. Boodhoo et al. (2010) and Cartwright (2011) utilized the RPB as a bioreactor for the fermentation of P.putida KT2442 to produce polyhydroxyalkonates (PHA). The RPB was proved to be capable of processing biomass, with a knitted wire mesh packing found to be able to generate a higher biomass concentration than the reactor without packing in this study, all without the pores of the packing being blocked by the growth of solid biomass. 4.3.2 Rotating fluidized bed Conventional fluidized beds operating under 1g gravitational field have been widely used in many chemical processes. The particles are fluidized by both the drag force of the fluid and gravitational force but exhibit limited throughput due to low velocities. A rotating fluidized bed (RFB) reactor shares the similar concept of the rotating packed bed that utilizes the centrifugal force which can be varied by adjusting the rotational speed of the bed. As such, the RFB is capable of introducing higher fluidization fluid velocities. RFB consists of a cylindrical vessel that rotates along the centre axis of the facility with fluid injected into the chamber at multiple slots. The rotation movement forces the particles to the cylinder wall to form a fluidized annular region. Regulations in UK were brought out in the late 1990s for the prevention of dumping of sewage sludge in the sea. In the work of Taib et al. (1999), Sheffield University Waste Incineration Centre (SUWIC) designed and operated a high efficiency rotating fluid bed incinerator capable of burning large amounts of sewage sludge. Their research was based on a 200 mm diameter rotating fluid bed. Water was added to the dry sludge pellets to achieve the correct consistency. They demonstrated the capability of the novel RFB technology in the incineration of sludge waste and the bed hydrodynamics were critical for the incineration process. Also, the design of the distributor plate had a strong influence on the quality of the bed mixing. Following this earlier work, Swithenbank et al. (2000) developed a novel spinning fluidized bed incinerator for the incineration of sludges. The RFB presented the capability of high combustion intensity by the fluidization of air flowing up through the bed of near mono-sized 17PDF Image | Solids handling for intensified process technology
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Infinity Turbine Developing Spinning Disc Reactor SDR or Spinning Disc Reactors reduce processing time for liquid production of Silver Nanoparticles.
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