Blog Archives

Transfer Chute Plugging with Sticky Limestone/Clay Mix

A major cement manufacturer in South America was experiencing transfer chute plugging with a highly cohesive limestone and clay mixture.  During rainy periods, the chute would plug every few hours, requiring operators to manually dig-out the contents in the chute … Continue reading

Transfer Chute Plugging Solved at Iron Ore Export Terminal

A major iron ore exporter in South Africa was experiencing major delays in the material loading operation created by flow stoppages.  This disrupted schedules, leading to higher shipping costs.  A key right-angle transfer chute in the process had to handle … Continue reading

Alumina Powder Silo Retrofit Improves Product Quality

Alumina is a fine powder that is used in the manufacture of aluminum, abrasives, refractory material, and various household products. Large users of alumina often arrange to have it shipped to their plants in 100-ton capacity railcars. The quality and … Continue reading

Alumina Trihydrate Flows Reliably with New Silo Design

Kaiser Aluminum & Chemical Corp. produces alumina trihydrate which is calcined to make alumina, or it is dried and sold as hydrate.  In addition to these two end products, Kaiser wanted to sell its wet alumina trihydrate. Kaiser needed a … Continue reading

Fluidization Needed to Achieve Reliable Fine Powder Flow

Manufacturers of asphalt roofing shingles often use fine, hot limestone as filler with liquid asphalt.  In order to maintain uniform mix viscosity and temperature, flow of limestone into the batch mixer must be controlled and reliable. One manufacturer tried various … Continue reading

Achieving Reliable Gravity Discharge from Ore Stockpiles

As a result of segregation, even the presence of as little as 10% fines (-5 mesh) in an ore can lead to serious flow problems in stockpile reclaim via tunnel systems.  If the fines are cohesive and gain strength as … Continue reading

CSL Innovator Self-Unloading Ship Operates Efficiently

Built for world-wide ocean trade by Canada Steamship Lines (CSL), the CSL Innovator is a Panamax-class self-unloading vessel.  (Panamax-class refers to a ship that has a dead weight of between 60,000 and 70,000 tons and is capable of traversing the … Continue reading

Mining & Minerals

Worldwide consumption of steel, aluminum, and electronics has significantly increased the mining demand for precious metals, base metals, and mineral commodities. With increased demand comes the need for reliable material handling in the Mining and Minerals industries.  Whether it is … Continue reading