Flotation Tests with Homemade Flotation Equipment DIY
By modelling the basic flotation equipment from the early 1900’s you see that most can hobby prospectors can build or assemble basic froth flotation equipment using all the machines and concepts explained below and perform home-based flotation tests. Although the subject of testing for flotation has been well presented in T. J. Hoover’s book on […]
Flotation Residue Disposal
There are many methods of handling sand and slime from metallurgical operations, but in this article the draining and conveying of waste products from flotation processes will be specially dealt with, the methods given being those in use at the leading flotation plants in Australia. DRAINING AND DEWATERING It is generally advisable to thoroughly dewater […]
Flotation Plant VS Laboratory
Laboratory Flotation Cells
The 500, 1000, and 2000 gram Laboratory Flotation Cells have been proved by mining, chemical and government laboratories and schools all over the world, to produce reliable results which can be duplicated in actual milling installations because they incorporate all of the basic principles of the commercial size machines. The 50-gram unit is designed to complete this line of Batch Laboratory […]
Flotation Reagents: Uses and Advantages in Ore Processing
This data on chemicals, and mixtures of chemicals, commonly known as reagents, is presented for the purpose of acquainting those interested in froth flotation with some of the more common reagents and their various uses. Flotation as a concentration process has been extensively used for a number of years. However, little is known of it as […]
Flotation Circuit Process Control
Our subject is “CLASSIC or Not so Advanced but yet Fundamental Flotation Circuit Process Control” Some of you may be familiar with the process; to others it remains a mysterious scheme. To you all I wish to emphasize one point, i. e., flotation is still now more of a science VS art. Our scientific data has […]
Size by Size Particle Size Distribution Profile & Flotation Recovery Results
The unseen factors in flotation are those which affect the economic recovery and are not shown by the assays or analyses. The fact that equal tailings and equal grade of concentrates can be produced with widely varying physical properties of the products recovered and rejected is unrecognised in most cases. In the past, when studying […]
Froth Flotation Machines
There are certain variable factors which affect the Fundamental efficiency of a Flotation Machine. These factors, having different degrees of importance, are as follows: Type of Froth Flotation Machine Mesh analysis of the pulp Density of the pulp Reagents and pH Pulp temperature Conditioning Circulating load Contact period Aeration Of these factors influencing the flotation process, each […]
Froth Flotation Principles
The Froth Flotation Machine is universally used for all types of flotation problems. This machine finds a wide acceptance due to its flexibility in construction, which allows the machine to be adjusted to handle pulps with divergent physical characteristics, as well as the common and intricate metallurgical problems which confront the present day operator. The Froth […]
Venturi Cavitation Tube
Three types of convergent sections exist in classical Venturi tubes, i.e., machined, roughcast and rough-welded. Each type specifies a set of ranges for the entrance diameter (D), the diameter (Beta) ratio (β=d/D) and the Reynolds Number (ReD). The Venturi design in this study was specified to have a smooth (machined) internal surface in the convergent section, which is especially […]