All Blog Posts about ‘Rotary Kilns’

A Look at Activated Carbon Thermal Regeneration

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Prized for its extremely porous surface area, the superior performance of activated carbon as an adsorbent lends itself to a number of applications spanning across a range of industries. One of the major benefits to activated carbon is that it is capable of being restored, Continue reading →

 

The Thermal Conversion of Biomass to Activated Carbon (And Everything Inbetween)

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Activated Carbon Rotary Kiln

The biomass industry has seen steady growth the past few years, as nations around the globe continue to shift focus toward more renewable energy sources. And while biomass offers direct uses in itself, it can also be converted to a number of carbon products, all Continue reading →

 

A Look at Aluminum Decoating

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

As one of the most recyclable materials around, aluminum recycling is a profitable business, both for industry and for the environment. According to the Aluminum Association, almost 75% of all aluminum ever produced is still in use today. The Aluminum Association also states that the Continue reading →

 

Biocoal from Biomass: An Emerging Opportunity for Renewable Energy

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Biocoal, a product produced by thermally upgrading biomass, has been gaining traction throughout the world as countries look to more renewable energy sources in an effort to reduce dependence on fossil fuels and mitigate greenhouse gases. What is Biocoal? Biocoal, also commonly referred to as Continue reading →

 

Electronic Waste Recycling: A Global Problem in Need of Solutions

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Electronic waste, or e-waste, encompasses everything from old cellphones, to VCR’s, fax machines, TV’s, and everything in between. As the world and its inhabitants become increasingly dependent on technology, levels of electronic waste are reaching unprecedented heights, with the world in desperate need of a Continue reading →

 

Question of the Week: What is Rotary Kiln Refractory?

This article was authored by:

Jenny Seim
Technical Writer

Refractory is specific to direct-fired rotary kilns, insulating and protecting the shell of the drum from high internal temperatures. It also functions to maintain heat retention. Many types of refractory exist, with the most common options being brick or castable. Brick is fired in a Continue reading →

 

Photo of the Week: 3D Rotary Kiln Dam

This article was authored by:

Jenny Seim
Technical Writer

This week’s photo highlights a rotary kiln dam in 3D. Oftentimes, it is necessary to increase retention time and/or bed depth in a kiln. This is achieved through the use of a dam. A rotary kiln dam works by forcing material to build up behind Continue reading →

 

Question of the Week: What is Heat Setting?

This article was authored by:

Jenny Seim
Technical Writer

Rotary kilns use heat to cause a physical change or chemical reaction in a particular material, and can be utilized to carry out a variety of processes. One of the more common processes carried out in a rotary kiln is heat setting. Heat setting refers to the Continue reading →

 

Activated Carbon in Gold Cyanidation

This article was co-authored by:

Carrie Carlson
Technical Writer

Walter Hawkins
Process Sales Engineer

Cyanidation, or the metallurgical process of extracting gold from ore with cyanide leaching agents, has long been a primary method of gold beneficiation. Widely used throughout the world, one incredible material helps to make gold recovery from a cyanide solution possible; with its ultra-porous structure, Continue reading →

 

Question of the Week: What are the Options in Rotary Kiln Air Flow?

This article was authored by:

Jenny Seim
Technical Writer

Rotary kiln air flow configuration is an important consideration in  kiln design. Counter current and co-current are the different types of air flow options available, each offering distinct advantages and disadvantages. In co-current air flow configuration, the material and process gas flow in the same Continue reading →