{"id":2971,"date":"2023-03-03T13:38:38","date_gmt":"2023-03-03T12:38:38","guid":{"rendered":"https:\/\/www.ctp.be\/expertises\/mineral-processing\/flottation\/"},"modified":"2024-05-31T14:41:37","modified_gmt":"2024-05-31T12:41:37","slug":"flotation","status":"publish","type":"page","link":"https:\/\/www.ctp.be\/en\/expertise\/mineral-processing\/flotation\/","title":{"rendered":"Flotation"},"content":{"rendered":"

[vc_row full_width=”stretch_row” css=”.vc_custom_1677489763196{background-image: url(https:\/\/www.ctp.be\/files\/uploads\/2023\/02\/ctp-mineral-processing-slide.jpg?id=233) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” el_class=”pt-lg-30 pt-md-20″][vc_column el_class=”pt-0″][vc_row_inner equal_height=”yes”][vc_column_inner el_class=”py-3 py-md-4 ps-2 ps-lg-5 ps-1 ps-lg-7 ps-xl-5 ps-xxl-7 pe-2 pe-lg-6 enlarge-l” width=”2\/3″ css=”.vc_custom_1677842239582{background-color: #ffffff !important;}” offset=”vc_col-md-8″][vc_column_text css_animation=”fadeInDown” el_class=”subtitle brun”]Flotation<\/strong> is a technique which allows the solids to be separated from each other by taking advantage of the existing differences between their surface properties (hydrophobicity >< hydrophilicity) when they are placed in the presence of air in an agitator vessel.[\/vc_column_text][vc_column_text]The material, pulped after fragmentation through a wet process, generally measuring less than 250 \u00b5m, allowing the liberation of the recoverable mineral from the gangue, is conditioned by the addition of a chemical reagent called a collector, whose role is to selectively render hydrophobic the surface of the mineral to be floated. The pulp is placed into a cell fitted with a rotor-stator unit or placed into a column fitted with an air injector, which enables air bubbles to be generated whilst also dispersing the material. The hydrophobic particles attach themselves to the bubbles rising to the surface in forming a foam filled with minerals, made stable by the addition of a surface-active agent (foaming). The hydrophobic minerals are then mechanically harvested by means of scrapers on the surface of the water.[\/vc_column_text][vc_column_text css_animation=”none”]Flotation can be called direct, in the case where the valuable mineral is floated, or inverse, in the case where the gangue rendered hydrophobic is recovered in the foam, the mineral of value remining in the underflow.[\/vc_column_text][vc_column_text]In order to meet these various requests, the CTP The CTP has a range of equipment functioning at laboratory scale and at pilot scale, to operate in batches or continuously and can offer the carrying out of tests leading to the optimization of the processing options.<\/p>\n