Question of the Week: What does the Transformation of Biomass to Activated Carbon Look Like?

This article was authored by:

Jenny Seim
Technical Writer

The process of converting biomass to activated carbon can vary depending on the source and characteristics of the feedstock material, and the wanted end-product characteristics. This process is outlined in the stages below: Drying. Biomass must first be dried, most often via a rotary dryer, Continue reading →

 

Photo of the Week: Refurbished Tire and Trunnion Wheel

This article was authored by:

Jenny Seim
Technical Writer

Today’s photo highlights a refurbished tire and trunnion wheel. Rotary drum tires and trunnion wheels can become worn over time, resulting in a variety of unwanted characteristics such as pitting, spalling and timing marks. If the wear is left untreated, the weight of the drum Continue reading →

 

World Copper Production at a Glance

This article was authored by:

Carrie Carlson
Technical Writer

World Copper Production at a Glance

Copper is an essential component in many of the products that make up the world around us. Ductility, malleability, and superior conductivity of heat and electricity, are just a few of the properties that make this unique metal so useful across a broad range of Continue reading →

 

Question of the Week: What is Organic Combustion?

This article was authored by:

Jenny Seim
Technical Writer

Organic combustion is the thermal treatment of organic wastes with the intent of reducing mass and volume. This process is frequently seen in waste treatment plants in order to reduce the volume of organic wastes for deposit into landfill. Organic combustion leaves behind an ash Continue reading →

 

Photo of the Week: Damaged Thrust Roller

This article was authored by:

Jenny Seim
Technical Writer

Our photo this week is a damaged thrust roller. Damage occurred because the thrust roller either stopped rotating, and the rotary drum ran hard against its left side. The thrust could also have become damaged as a result of a bearing failure; the bearing may Continue reading →

 

Heap Leaching: A Growing Technology in Beneficiation

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

As a booming global population and emerging economies put pressure on existing resources, and high grade ores become a thing of the past, mining companies are looking for technologies that will allow them to economically recover target materials, namely metals, from low grade ore sources. Continue reading →

 

Question of the Week: What are the Benefits of Using Ceramic Proppants?

This article was authored by:

Jenny Seim
Technical Writer

Proppants are hard microspheres that are injected into well bores to “prop” open rock fissures, allowing oil and natural gas to flow out. While frac sand is the most commonly used proppant, ceramic proppants offer a tailored solution in demanding drilling settings. Greater crush strength. Continue reading →

 

Photo of the Week: Damaged Rotary Drum Tire

This article was authored by:

Jenny Seim
Technical Writer

This week’s photo shows a damaged rotary drum tire. Tires can become damaged if: They are worn too thin. The mounting blocks get worn, causing excess tire creep and movement. The shell is distorted from over heating/cooling the drum. The tires are shimmed too tight. Continue reading →

 

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 is the Difference Between a Pin Mixer and a Pug Mill?

This article was authored by:

Jenny Seim
Technical Writer

Pin mixers and pug mills are industrial mixing devices with each offering their own distinct advantages and capabilities. Oftentimes, the material itself dictates which piece of equipment is best for the operation at hand. Pug mills are used for mixing, agglomerating, and conditioning. They utilize Continue reading →