All Blog Posts about ‘Rotary Kilns’

Biocoal: The Key to Turning the Coal Industry Around?

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

A recent white paper by William Strauss, PhD of FutureMetrics LLC, looked at a strategy that could breathe life back into the dying US coal industry, and the answer comes from an unlikely place: implementing policy to support the co-firing of wood biomass pellets (biocoal) Continue reading →

 

Question of the Week: What do Indirect Rotary Kilns Offer Over their Direct-Fired Counterparts?

This article was authored by:

Jenny Seim
Technical Writer

Indirect rotary kilns, or rotary calciners, offer three major advantages over their direct-fired counterparts, as outlined below. When processing in a direct-fired rotary kiln, fine materials can become entrained in the gas and carried out to the baghouse. An indirect kiln avoids this issue because Continue reading →

 

Upgrading Phosphate Ores with Rotary Kilns

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Phosphate rock is mined all over the world to produce a number of phosphorus products that are essential to plants and animals- namely, fertilizers and animal feeds. Many predict that demand for phosphate, particularly for use as a fertilizer, will only rise, as the world Continue reading →

 

Activated Carbon: A Critical Component in Water Treatment Facilities

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Activated carbon is a powerful adsorbent used prolifically throughout water purification efforts to remove contaminants and undesirable components. While activated carbon can be used in a wide range of water treatment applications, it is a critical tool used throughout municipal and industrial water treatment facilities Continue reading →

 

Question of the Week: What is Calcination?

This article was authored by:

Jenny Seim
Technical Writer

Calcination is the process of heating a material to cause chemical dissociation (separation). Calcination is a common process, and is often used in the creation of inorganic materials, such as the dissociation of calcium carbonate to create calcium oxide and carbon dioxide. It can also be Continue reading →

 

The Transformation of Bauxite to Aluminum (and the Products in Between)

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

With applications in everything from energy, infrastructure, and aerospace, to automotive, packaging, and more, aluminum has become a cornerstone of modern society. Aluminum’s widespread use might infer ease of accessibility, but such is not the case; aluminum is not found freely in nature, requiring the Continue reading →

 

Ceramic Proppants: A Specialized Alternative to Frac Sand

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

While the oil and natural gas industry has had its ups and downs, many speculate it is again poised for growth due to the current political climate. Subsequently, there is a renewed interest around proppants – the hard microspheres injected into well bores to “prop Continue reading →

 

Using Activated Carbon to Control Disinfectant By-Products in Drinking Water Treatment

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Activated carbon is a widely used adsorbent, employed throughout a variety of industries to accomplish a number of goals. Activated carbon’s unique porous surface structure allows it to capture and hold on to both gas and liquid phase particles. This ability lends itself to a Continue reading →

 

Question of the Week: What Drive Assembly is Best for your Rotary Kiln?

This article was authored by:

Jenny Seim
Technical Writer

The drive assembly is the component that causes a rotary kiln to rotate. While a variety of drive assembly arrangements are available, the selection of one type over the other is dependent on the drive horsepower and the size of the kiln. FEECO offers the Continue reading →

 

Biochar: A High Performance Organic Fertilizer Created from Biomass

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Biochar, a charcoal-like, carbon-based material with roots in ancient civilizations, has scientists excited over the potential it holds for restoring depleted soils, improving food security, and aiding in climate change efforts when used as a soil amendment. What is Biochar? Biochar is created through the Continue reading →