Internet FAQ Archives – WATERLESS SEPARATION METHODS AND SYSTEMS FOR COAL AND MINERALS – Patent application

The processing of coal to remove impurities for both the thermal, metallurgical and petroleum coal markets has historically been accomplished via wet processes involving crushing and float/sink separation based on specific gravity.

Google – Patent US6811031 – Method and device for separating ore – Google Patents

Methods and devices for separating ore provide the process and equipment needed to separate the various components of ore so that those having value can be recovered. US4033863 Dec 19, 1975 Jul 5, 1977 Deister Concentrator Company Inc Apparatus for separating high gravity from low gravity fractions of a coal or an ore.

Samantha – Bloglog

The processing capacity of the CTDG-1220N bulk ore dry magnetic separator in up to 500t/h which is the permanent dry magnetic separator with he high processing capacity in China.

Froth flotation – Wikipedia

In 1897, the Elmore brothers installed the world's first industrial size commercial flotation process for mineral beneficiation at the Glasdir mine.

Google – Patent US6227473 – Apparatus and methods for pulverizing materials into small particles – Google Patents

Ultrasonic wet grinding coal. US5577669 Feb 15, 1995 Nov 26, 1996 Apparatus and method for the beneficiation of ore and coal with the aid of ultrasound.

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