Mixer Settler System
The KREBS Mixer-Settler as shown on Fig. 1 includes the following features: A MIXING IMPELLER selected to best satisfy dispersion requirements. A low turbulence CONICAL PUMP, built around the impeller shaft, to transfer the dispersion from the mixer to the settler and induce phase separation. A SUPERPOSED LAUNDER provides further phase separation and makes it […]
HYL III Direct Reduction Process
The objective of the operator of a direct reduction plant Is to optimize the cost of inputs required to obtain each tonne of DRI. Three major factors affecting the unit cost of the product are iron oxide feedstock, energy, and plant productivity. For the past decade, most direct reduction plants have relied upon pellets as […]
Kiln Temperature Controller Guide
You wonder how to enter the burn off program in our programmable kiln temperature controller, so today we’re going to show you an Example of exactly how to do that. With your kiln all set up and plugged in it will flash showing ambient temperature; STOP or HOLD. You will access the program setting to […]
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Eddy Current Aluminium Separation
The eddy-current separator was initially developed to recover non-ferrous metals from shredded automobile scrap or municipal solid waste. In these applications the metallic fraction consists of relatively large items such as various crushed automobile engine components or aluminum beverage cans resulting in excellent separation efficencies. The repulsion of aluminum beverage cans from a rotating permanent […]
Six-Spheres – Cylinder & Piston – Compressive Strength Test
Six-Spheres test: The conventional test consisting of compressing the pellet between parallel flat platens does not simulate very well the environment actually encountered by the pellet. Each pellet is surrounded by similar pellets, that exert a pressure on it whose magnitude is dependent on the height of the pile, among other parameters. The most compact ways […]
Recovery of Cadmium from Scrap Batteries
The manufacture and use of nickel-cadmium alkaline batteries began to grow in the late 1950’s. During the period from 1966 to 1971, approximately 3 pct of the U.S. primary cadmium demand was consumed by battery manufacturers. From 1971 to 1975, the demand grew from 3 pct to 13 pct. It was estimated by the battery […]
SEA Floor Mining
Introduction Ocean floor mining encompasses the extraction of valuable resources from the ocean floor, utilizing advanced technologies and methods designed to operate in challenging underwater environments. As demand for these resources increases, innovative solutions are vital for efficient extraction. Technological Innovations Modern ocean floor mining relies on cutting-edge technologies such as remotely operated vehicles (ROVs) […]
Dipper Dredges
General Description.—As has been said, the Dipper Dredge “ digs ” like the familiar steam shovel. The bucket, which is essentially a scoop with heavy teeth and a flap bottom, is attached to the end of the dipper stick, which is carried by the boom at or near the centre of the latter. The boom […]