This week’s highlighted resource is a Slideshare presentation on rotary dryers in the frac sand industry. This Slideshare presentation provides an overview on how rotary dryers are used in the frac sand industry, including why rotary dryers are chosen over fluid bed dryers and common …
Activated carbon, sometimes called activated charcoal, is a unique adsorbent prized for its extremely porous structure that allows it to effectively capture and hold materials. Widely used throughout a number of industries to remove undesirable components from liquids or gases, activated carbon can be applied …
Bed disturbers are used in both direct and indirect-fired rotary kilns to promote uniform heating of the material. The bed of material should roll, not slide, throughout the kiln in order to expose fresh material to the process. This rolling action allows for even heat …
Rotary kilns have become an integral processing device throughout many industries. Capable of facilitating chemical reactions and phase changes, they are applied to a diverse range of applications, from metal recovery, to specialty chemical production, and carbon activation, to name a few. In fact, the …
This week’s highlighted resource is a Slideshare presentation on rotary dryer sizing and design. Rotary Dryer Sizing and Design provides an overview on the complex process behind sizing and designing a rotary dryer for a given application. Material properties that affect dryer design are also …
For many years, rotary kilns have been used across various industries to drive chemical reactions by thermal processing. Rotary kilns have become very established in fields such as cement, lime, and minerals. Because these thermal processing tools have been used almost exclusively in these industries, …
Electronic waste, or e-waste, is continuing to capture global attention thanks to a litany of issues associated with the waste, ranging from environmental hazards to humanitarian concerns. As growing amounts of the waste add to fears of a looming crisis, efforts to recover valuable materials …
Whether you are using a rotary dryer, rotary kiln, or rotary cooler, there is one thing that all these instruments have in common: they all use methods of heat transfer to carry out their jobs. Heat transfer is how heat moves from one source to …
This week’s highlighted resource is a Slideshare presentation on rotary kiln customization. Rotary kilns are incredibly flexible and can be customized to meet a variety of different thermal processing needs. This Slideshare presentation looks at some of the many options used to customize rotary kilns …
Our photo this week shows an NPK fertilizer granulation plant. The photo was taken around the early 1960s and showcases a rotary dryer (the larger drum on the bottom), and a granulation drum (the smaller one above the dryer). Now a typical NPK granulation process, …