Spherical Oil Agglomeration (SOA)/ Colloidal Gas Aphrons (CGA) Flotation

Publish Year: 1375
نوع سند: مقاله ژورنالی
زبان: English
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تاریخ نمایه سازی: 19 اسفند 1400


The main aim of this experimental work was to develop a separation process using micro- bubbles less than ۱۰۰ µm in diameter. Micro-agglomerates were produced using ۱۰kg crude oil/tone feed coal treated compared to ۲۵۰ kg/tone feed coal treated for conventional spherical oil agglomeration. These micro-agglomerates were separated from the unagglomerated minerals by micro-bubble flotation. Colloidal Gas Aphrons, CGA, were produced by using various surfactants. Sodium lauryl sulphate (SLS) surfactant was chosen for the production of CGA because it is thought that its anionic character would depress the flotation of the mineral particles. The combination of micro-agglomeration followed by "Dry CGA" flotation was an effective process in coal de-mineralisation under laboratory conditions. All the particles were-۴۵ µm in size.


Spherical Oil Agglomeration (SOA) , Colloidal Gas Aphrons (CGA) , dmm , Recovery , Grade , Micro , agglomerates , Spinning Disc , Aphrons Generator , Cleaner , Rougher , Scavenger


A. A. Rahmani

mining, imam khomeni international university