All Blog Posts about ‘Question of the Week’

Question of the Week: What is Synthetic Gypsum?

This article was authored by:

Jenny Seim
Technical Writer

Synthetic Gypsum pellets, pelletized (pelletised) synthetic gypsum

Synthetic gypsum is the name used to classify a variety of by-products that can serve as an alternative to natural gypsum.  The most common gypsum by-product is FGD gypsum, formed from coal-fired power plants, though synthetic gypsum can also be generated through various acid-neutralizing processes. Continue reading →

 

Question of the Week: What are the Challenges in Processing Phosphates?

This article was authored by:

Jenny Seim
Technical Writer

Challenges in Processing Phosphates

Similar with any mineral, phosphates can present challenges during processing. The following looks at the common material characteristics that may cause such challenges when working with phosphates. Abrasiveness. Phosphates can range from slightly to tremendously abrasive, depending on what form they are in. Abrasive materials Continue reading →

 

Photo of the Week: Washboarding on a Rotary Drum Tire

This article was authored by:

Jenny Seim
Technical Writer

Rotary Drum Tire (Tyre) Washboarding, Drum Tire in Need of Tire Grinding

This week’s photo highlights washboarding on a rotary drum tire. Washboarding is indicated by the vertical grooves that extend the length of the tire, and it is caused by abnormal skewing of the trunnion wheels, or trunnion wheel mis-alignment. FEECO offers a tire grinding service Continue reading →

 

Question of the Week: What does a Typical Pelletizing Process Look Like?

This article was authored by:

Jenny Seim
Technical Writer

Disc Pelletizer (Pelletiser, Pan Granulator) in Operation

Pelletization is an agglomeration process whereby material fines are “grown” through a tumbling motion in the presence of a liquid binder or water. While all agglomeration processes can be customized to suit the unique needs of the material being processed, in general, it follows these Continue reading →

 

Question of the Week: What Materials can Benefit from Processing in a Pin Mixer?

This article was authored by:

Jenny Seim
Technical Writer

What Materials can Benefit from Processing in a Pin Mixer

Pin mixers are industrial mixing devices used to process fine materials in the presence of a binder. They are especially adept for micro-pelletizing and de-dusting applications. The following materials are often processed in a pin mixer.  Mixing         Bentonite clay         Diatomaceous earth         Fly ash         Limestone         Magnesium Continue reading →

 

Question of the Week: How do Material Limitations Affect Rotary Dryer Design?

This article was authored by:

Jenny Seim
Technical Writer

What Material Limitations Affect Rotary Dryer (Drier) Design

Some materials come with limitations that will steer the rotary dryer design process in one direction or another. For example, with materials that have the potential for combustion in certain settings, a direct fired dryer would not be the ideal option; an indirect dryer should Continue reading →

 

Question of the Week: How do Leaf Seals Work?

This article was authored by:

Jenny Seim
Technical Writer

How do Leaf Seals Work

FEECO’s leaf seals are designed to minimize air leakage into a rotary dryer or rotary kiln. We offer both single and double leaf seals. The single leaf seal consists of a series of overlapping spring steel plates that are mounted to the housing and ride Continue reading →

 

Question of the Week: What are the Differences Between FEECO’s Drive Assemblies?

This article was authored by:

Jenny Seim
Technical Writer

Differences Between FEECO Drive Assemblies

FEECO offers a variety of options in drive assemblies for your rotary dryer, cooler, kiln, or granulation drum, all selected based on the requirements of the application. Chain and Sprocket Drive Assembly Chain and sprocket drive assemblies are ideal for smaller drums running up to Continue reading →

 

Question of the Week: How Can a Pipe Reactor Benefit your Process?

This article was authored by:

Jenny Seim
Technical Writer

How Can a Pipe Reactor Benefit Your Process

A pipe reactor is an acid-base reaction vessel that can be incorporated into an agglomeration drum for the production of various, inorganic fertilizers. While the pipe reactor is not required in a system, it can add immense value to a process in terms of energy Continue reading →

 

Question of the Week: Why Add a Rotary Agglomerator to the Heap Leaching Process?

This article was authored by:

Jenny Seim
Technical Writer

Why Add a Rotary Agglomerator to the Heap Leaching Process

The addition of a rotary agglomerator to the heap leaching process can provide exceptional benefits to the operation as a whole. Agglomerated ore fines are uniform in shape, allowing the leaching solution to more easily permeate through the heap. Additionally, the leaching solution can be Continue reading →

 


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