Methods and systems for identifying and sorting of different plastics rely on the differences in
the surface polarity of the various plastics. A marking system may be used which provides …

BACKGROUND Plastic is a relatively inexpensive, lightweight and durable material that has
become an integral and useful part of our 15 daily lives. Countless different types of products …

US10919792B2 - Treatment using fixed film processes and ballasted settling - Google
Patents US10919792B2 - Treatment using fixed film processes and ballasted settling …

The present invention refers to a system and method for the totally dry treatment of iron-ore
wastes from previous mining operations, suitable for both the processing of ore wastes …

US10525482B2 - Magnetic drum inlet slide and scraper blade - Google Patents US10525482B2
- Magnetic drum inlet slide and scraper blade - Google Patents Magnetic drum inlet slide and …

Slurries of magnetic and nonmagnetic particles in water are treated in a high intensity
magnetic separator including at least one turntable that defines at least one circular channel …

There are provided devices, systems and processes to treat slurries that include magnetic
and nonmagnetic particles suspended in water in such a fashion as to separate certain …

BACKGROUND The recovery of plastics from waste streams, such as from durable goods, is
a considerable challenge due to the presence of several types of plastics as well as non …

The present disclosure describes and teaches a drill safety system including a magnetic
unit, a vacuum unit, and an improved hole saw drill set. The various parts of the drill safety …

(57) ABSTRACT A process for the recovery of a plastic product from ASR or ESR mixtures
can include five or more process steps selected from DEXRT: XRF; size reduction; density …