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The article evaluates the Dehytray solar dryer developed at Purdue University, that was launched to help vulnerable families access nutritious food amid the COVID-19 pandemic.

The article discusses the comparison of a circulating fluidized bed scrubber (CFBS) with a spray dryer absorber (SDA) in terms of technology and technical aspect. Topics covered include the benefits of using wet flue gas desulfurization (WFGD) technology, the development and benefits of the CFBS technology and SDA technology, and details relating to the technical and performance differences of SDA and CFBS. It also discusses the popularity of CFBS technology in the utility retrofit market.

The article previews the trade show of dryers by Powtech (Company) at Nuremberg, Germany, during April 9-11, 2019.

The article offers brief information on the high-capacity tower dryer for grain drying operations from the farm equipment supplier Sukup Manufacturing Co. and outlines the features of the grain dryer.

The article discusses the installation of the Thermo-System Solar Sludge Dryer from Parkson Corp. on the wastewater treatment plant in the Town of Discovery Bay, California. The system utilizes a drying bed housed inside a greenhouse-like structure, referred to as a drying chamber. The building is equipped with ceiling fans, exhaust fans and air flaps, all of which are controlled by a microprocessor. There is also an electronic "mole," a small, automated vehicle that moves randomly around the drying bed, tilling the biosolids to expose as many surfaces as possible and to aerate the mass. The microprocessor draws information from sensors inside the chamber, and from a weather station that monitors exterior humidity and temperature, solar radiation, and wind speed. INSET: SOLAR DRYING EFFICIENCIES.