The solvent extraction electro-winning process (SX-EW) is a hydrometallurgical means of extracting, purifying, and concentrating metals. SX-EW has continued to demonstrate successful use in effectively extracting and recovering copper from low grade and oxide ores. As a result, SX-EW has quickly become a staple in Continue reading →
Dams are used to increase the retention time or bed depth in a rotary kiln. Material builds up behind the dam, forcing retention time and bed depth to increase. Material then spills over the dam and discharges from the rotary kiln. Since most rotary kilns Continue reading →
Today’s photo highlights a pug mill under production at FEECO. The pug mill will be used in animal feed production. The large, stainless steel cover is a fume hood for the acid reaction that will take place in the mixer. A small pipe is installed Continue reading →
While biochar has been garnering attention as a restorative soil amendment, it seems as if new uses for this ultra-porous material are cropping up all over the industrial landscape. Recently, biochar has been making waves in agriculture not for use as a soil amendment, but Continue reading →
To process biomass into biocoal, residuals from the forest products industry are first dried in a rotary dryer to reduce the moisture content and improve combustion. Next, the dried biomass is processed in the oxygen-free environment of an indirect rotary kiln to remove volatile components. Continue reading →
This week’s photo highlights material processed in a pug mill. Pug mills, also known as paddle mixers, are industrial mixers used to condition, mix and agglomerate materials often in the presence of a binder. The pug mill’s dual shafts with pitched paddles create a kneading Continue reading →
Water quality and the ability to maximize reuse applications continues to become a concern at the forefront of sustainability amidst a growing population. While biochar has been gaining traction in the soil amendment industry for its restorative capabilities and potential in carbon sequestration, studies are Continue reading →
Manure can be processed into a bedding product known as recycled manure solids (RMS). Recycled manure solids can further be processed into dried manure solids (DMS), a product with reduced moisture and pathogen content which is ideal for use as a bedding product. Bedding recovery Continue reading →
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 Continue reading →
The Sustainable Phosphorus Alliance will be hosting an upcoming phosphorus forum and FEECO will be in attendance. The Sustainable Phosphorus Alliance is a group that advocates for the sustainable use, recovery, and recycling of phosphorus as it relates to the global food system. As an Continue reading →
