Thermal Desorption Gives Spent Catalysts New Life

This article was co-authored by:

Alex Ebben
Process and Sales Engineer

Carrie Carlson
Technical Writer

Thermal Desorption for Spent Catalysts

Spent catalysts have long been a source of contention for industries employing catalysts, presenting liability risks, waste management costs, and more. But as processors look to reduce operating costs and their environmental footprint, many are opting to regenerate their catalysts through thermal desorption.  The thermal …

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Photo of the Week: Worn Gear Mesh

This article was authored by:

Jenny Seim
Technical Writer

Gear Mesh

Today’s photo shows the gear mesh of a gear and pinion drive, the mechanism that causes a rotary drum to rotate. The face of the teeth here are worn, an indication that the gear should be replaced, or they may break off. In most cases, replacement …

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Photo of the Week: Girth Gear Run-Out Procedure

This article was authored by:

Jenny Seim
Technical Writer

Girth Gear Run-out Procedure

This week’s photo highlights a girth gear run-out procedure in action. A black strap (pictured) is mounted along the gear’s teeth. A dial indicator follows the strap’s path, and measures the tip of the teeth along the strap. This procedure reveals the amount of wear …

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Rotary Kilns: Frequently Asked Questions (FAQs)

This article was co-authored by:

Alex Ebben
Process and Sales Engineer

Carrie Carlson
Technical Writer

Rotary Kiln FAQs

The rotary kiln is an advanced thermal processing device used in an extensive number of applications, with new uses constantly being developed.  As a cornerstone technique in engineering the raw materials and products our constantly evolving society depends on, the advanced thermal processing carried out …

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What do Indirect Kilns Offer Over Direct-Fired Kilns?

This article was authored by:

Jenny Seim
Technical Writer

What do Indirect Kilns (Calciners) Offer Over their Direct-fired Counterparts?

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 …

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This Week’s Featured Articles: Rotary Kilns in Expanded Clay Aggregate Production, Potash Coarse Conditioning Drums, and Incinerator Maintenance During the Pandemic

This article was authored by:

Carrie Carlson
Technical Writer

Tire and Trunnion Grinding

Each week on our home page, we feature three articles that are highly relevant under the current market circumstances. This week, we’re highlighting: Rotary Kilns in Expanded Clay Aggregate Production Rotary Kilns in Expanded Clay Aggregate Production looks at how the rotary kiln is used …

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Photo of the Week: Direct-Fired Rotary Kilns

This article was authored by:

Jenny Seim
Technical Writer

Direct-fired Rotary Kilns

This week’s photo highlights two direct-fired rotary kilns. Rotary kilns are a significant investment in any thermal processing operation. That’s why FEECO’s kilns are always precisely engineered and fabricated to meet the requirements of the specific process and material at hand. A general overview of …

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This Week’s Featured Articles: Rotary Kilns in the Pigment Industry, Activated Carbon in Gold Cyanidation, and Phosphates in the Fertilizer Industry

This article was authored by:

Carrie Carlson
Technical Writer

Each week on our home page, we feature three articles that are highly relevant under the current market circumstances. This week, we’re highlighting: Rotary Kiln Applications in the Pigment Industry Rotary Kiln Applications in the Pigment Industry looks at the role rotary kilns play in …

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