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Archives :: Processing & Handling :: Separation (Gas-Solid & Liquid-Solid) :: Dryers

Displaying 1 - 20 of 45 stories.
February 1, 2013
Environmental Permitting Barriers for Dryers and Kilns
 Figure 1. A handful of ceramic proppants is shown here Carbo Ceramics This article covers permitting and directly related design issues associated with thermal processes using drying and calcining for the production of both proppant sand and ceramic proppants (Figure 1) as an illustrative example (see sidebar, "What are proppants"). The permitting issues vary significantly with air-quality...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Environmental-Permitting-Barriers-for-Dryers-and-Kilns_10180.html
January 1, 2013
Save space and energy with this radio frequency dryer
The Macrowave RF Drying System provides greater efficiency that conventional convection and infrared systems for the high-speed drying of water-based patterned glue and coatings in the converting and textile...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Save-space-and-energy-with-this-radio-frequency-dryer_10052.html
October 2, 2012
Proppants Illustrate Environmental Permitting Issues for Dryers and Kilns
This article covers permitting and directly related design issues associated with thermal processes used for drying and calcining, using the production of ceramic proppants as an illustrative example. While the magnitude of permitting issues varies significantly with air-quality attainment area status, oxides of nitrogen (NOx), carbon monoxide and particulate matter are always the major issues. With proper...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Proppants-Illustrate-Environmental-Permitting-Issues-for-Dryers-and-Kilns_9782.html
September 1, 2012
Homogeneous heating achieved in this vacuum tray dryer
The CakeStand Tray Dryer utilizes a unique heat-transfer system that heats uniformly across all heating plates. The patent-pending design of the system features enhanced ergonomics through optimal...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Homogeneous-heating-achieved-in-this-vacuum-tray-dryer_9664.html
September 1, 2012
Thin-Film Drying Offers Deep Benefits
Contact agitated dryers are used for drying wet powders, slurries, filter cakes, and applications where off-gases during the drying cycle must be contained. If the applications are also heat-sensitive, such as specialty chemicals, polymers, food products and pharmaceuticals, contact drying must take place at low heating temperatures, at residence times in tune with the tolerance of the product, and...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Thin-Film-Drying-Offers-Deep-Benefits_9680.html
August 1, 2012
Improve processing times with this homogenizer
Featuring a new homogenizer generation, the FrymaKoruma Dinex vacuum-processing unit provides optimal processing times, droplet distribution and product quality. The...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Improve-processing-times-with-this-homogenizer_9539.html
June 1, 2012
Spray Drying Parameters
Among the most widely used technologies in the chemical process industries (CPI), spray drying involves dispersing a liquid or slurry in a hot gas to produce a dry powder product. A wide range of pumpable solutions, suspensions and emulsions can be used as spray-drying feeds. Spray drying allows processors to generate powders with precisely defined properties. By controlling process parameters —...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Spray-Drying-Parameters_9387.html
April 1, 2012
A fluidized-bed dryer that is ideal for sensitive products
A vibrating fluidized-bed dryer from this company features multiple temperature-control zones that operate independently to permit a variety of different heating and cooling levels in the same continuous-drying system. The unit is ideal for gently drying grains...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/A-fluidized-bed-dryer-that-is-ideal-for-sensitive-products_9197.html
November 1, 2011
Protect temperature-sensitive products with this dryer
With the ability to lower evaporation temperatures of liquids, the Rota-Cone Vacuum Dryer improves heat and mass transfer, and protects temperature-sensitive products. The vacuum dryers are an effective and...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Protect-temperature-sensitive-products-with-this-dryer_8640.html
October 1, 2011
This RF system speeds filter-cake drying with less energy
Macrowave is a new drying system that uses radiofrequency (RF) energy to uniformly heat cake material and rapidly remove water without overheating. The system operates at a frequency of...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/This-RF-system-speeds-filter-cake-drying-with-less-energy_8529.html
October 1, 2011
This dryer also performs other unit operations
The Boono Paddle Dryer is an indirect dryer that can also be used for crystallization, coating, sterilization and calcinations. The wide...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/This-dryer-also-performs-other-unit-operations_8533.html
September 1, 2011
This cake dryer has a unique heat-transfer system
The CakeStand Tray Dryer uses a unique heat-transfer system that ensures uniformity across all heating plates. The ergonomically designed unit has features, such as a pivoting...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/This-cake-dryer-has-a-unique-heat-transfer-system_8461.html
August 1, 2011
Preventing Self-Heating and Ignition in Drying Operations
Many solid materials can exhibit self-heating, which — if unchecked — can progress to a fire or even explosion. And even if the situation does not get that far, it is likely to affect the output of the process, in terms of product quality degradation, for example. Recognizing that your product in powder or granular form can self-heat is the first step in controlling the risks associated with...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Preventing-Self-Heating-and-Ignition-in-Drying-Operations_8300.html
August 1, 2011
This vacuum-drying reactor is flexible
The mixing-drying reactor can process substances of widely differing consistencies. The machine, which dries in a fine vacuum, is also very flexible with regard to the filling level. It is suitable for both homogenization of a mixture and also for more intensive...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/This-vacuum-drying-reactor-is-flexible_8308.html
August 1, 2011
This multimotion dryer is kind to sensitive products
The Planex System is a patented, horizontal paddle vacuum dryer developed for vacuum drying of wet powders obtained from a centrifuge or filter press. The system consists of a fixed cylindrical chamber with an eccentric agitator inside with two independent movements: it can rotate on its own axis and tangentially to the cylindrical chamber as well. This combined double...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/This-multimotion-dryer-is-kind-to-sensitive-products_8339.html
July 1, 2011
Homogeneous drying achieved with this oven
The VD and VDL drying ovens can dry samples completely without residues, scaling or oxidation, thanks to an innovative control concept. The temperature is controlled over the entire range...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Homogeneous-drying-achieved-with-this-oven_8159.html
May 19, 2011
Fast, uniform and reproducible FB drying
The Model 501 programmable fluidized bed (FB) dryer is a convenient laboratory-scale unit for rapid moisture reduction or removal at relatively low temperatures. Multiple configurations and microprocessor control...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Fast-uniform-and-reproducible-FB-drying_8052.html
May 19, 2011
RF speeds web drying, saving energy and floor space
A new Macrowave radio-frequency (RF) drying system provides greater efficiency than conventional web dryers and enables the high-speed drying of water-based patterned glue and coatings at line speeds previously...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/RF-speeds-web-drying-saving-energy-and-floor-space_8062.html
May 12, 2011
Thermo Fisher Scientific and Glatt: Continuous twin-screw granulation and drying
Thermo Fisher Scientific Inc. (Karlsruhe, Germany; www.thermoscientific.com) today announced a collaboration with integrated process technology provider Glatt Process Technology GmbH (Binzen, Germany; www.glatt.com) to deliver continuous twin-screw granulation and drying solutions for the pharmaceutical industry. Together, the two companies provide a one-stop solution for satisfying customer demands from...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Thermo-Fisher-Scientific-and-Glatt-Continuous-twin-screw-granulation-and-drying_8016.html
April 25, 2011
Ask the Experts: Solids drying
Question:  Besides rotary, fluidized-bed, and flash dryers, what other types of dryers can remove moisture and other volatile compounds from bulk solids? Answer:  For many applications, an efficient and cost-effective alternative is to dry the bulk solid in a silo equipped with heat exchangers or modified to permit injection of a gas. Compared to other dryers, drying silos have several...
http://www.che.com/processing_and_handling/sep_gas_solid_and_liquid_solid/dryers/Ask-the-Experts-Solids-drying_7903.html
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