A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass. In the process, the feed material is floated in the presence of a depressant to inhibit the flotation of feldspar and thereby form a concentrate ...
A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass. In the process, the feed material is floated in the presence of a depressant to inhibit the flotation of feldspar and thereby form a concentrate ...
Flotation process for separating silica from feldspar to form a feed material for making glass . United States Patent 6098810 . Abstract: A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or ...
present, the first flotation step may be bypassed. Sometimes the final flotation stage is omitted, leaving a feldspar-silica mixture (often referred to as sandspar), which is usually used in glassmaking. From the completed flotation process, the feldspar float concentrate is dewatered to 5 to 9 percent moisture.
Apr 14, 2016 · Feldspar is floated in the last flotation step which is also in an acid circuit with hydrofluoric acid. Feldspar Flotation Reagents. Often the silica product, due to local conditions, is of commercial value as a by-product. In this case it may be transferred to a
present, the first flotation step may be bypassed. Sometimes the final flotation stage is omitted, leaving a feldspar-silica mixture (often referred to as sandspar), which is usually used in glassmaking. From the completed flotation process, the feldspar float concentrate is dewatered to 5 to 9 percent moisture.
Apr 14, 2016 · Feldspar is floated in the last flotation step which is also in an acid circuit with hydrofluoric acid. Feldspar Flotation Reagents. Often the silica product, due to local conditions, is of commercial value as a by-product. In this case it may be transferred to a
1. A froth flotation process for separating feldspar from quartz-feldspar sands ore consisting essentially of the steps of subdividing said ore to produce at least a fraction having a particle size less than about 1 mm, collecting said fraction and washing the same with water to effect desliming, introducing the washed fraction at a solid concentration of about 20-30 wt percent into an aqueous ...
A new flotation process separating feldspar from quartz was introduced and its principle was investigated. In this new flotation process, feldspar was floated from silica using n-alkyltrimethylene ...
US6098810A Flotation process for separating silica from . A separation process is provided for treating a feedprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass.
Na-Feldspar, K-Feldspar, Flotation, Sand Separation, Effect of pH. 1. Introduction. Feldspars are indispensable raw materials for many industries, such as ceramics, glass and fillers for plastics production. Considerable reserves of feldspar varieties are found in the Eastern Desert of Egypt, most of which are used as it is without processing.
FLOTATION SEPARATION OF FELDSPAR - It has been found that feldspars can be separated efficiently from feldspathic ores and minerals by means of froth flotation when a higher aliphatic amine salt and a higher aliphatic or aromatic sulfonate are used in conjunction as flotation reagents in a flotation medium made acidic with sulfuric acid, without the necessity for using hydrofluoric acid.
Nov 13, 2020 · 01 01. Flotation separation of mica and silica sand. A large number of anions O2- and F- with extremely low zero electric point are dissociated from mica. After exposure to layered structure, the cationic collector can be used for recovery in a wide pH range (pH=2-13). The pH range of feldspar in the cationic harvesting system (pH=4-11) is ...
Mar 01, 2009 · The chemical analysis presented in Table 1 shows a very high content of SiO 2 in the sample (39.0%). Quartz content is represented as insoluble silica (In SiO 2), and SiO 2 in kaolinite is the reactive silica (Re SiO 2).Available Alumina (AA) shows the alumina content in gibbsite, recoverable by the Bayer process: 24.7% in the head sample.
US6098810A - Flotation process for separating silica from ... A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass.
A froth flotation process for separating feldspar from quartz-feldspar sands ore consisting essentially of the steps of subdividing said ore to produce at least a fraction having a particle size less than about 1 mm, collecting said fraction and washing the same with water to effect desliming, introducing the washed fraction at a solid ...
flotation process for separating silica from feldspar - YouTube. Oct 16, 2013 ... More details: goo.gl/rUzV3u Get the price of flotation process for ... etc for quarry plant to process iron, gold, aggregate, artificial sand, lizenithne ... Selective Flotation Separation of Feldspar in Non-Fluoride the latter forms... More details » Get Price
Flotation process for separating silica from feldspar to . nbsp 0183 32 A process for converting a feed material comprising silica and feldspar into a feldspar product for forming glass the silica having a different chemical composition than the feldspar comprising floating the feed material in the presence of a depressant to depress the ...
Aug 21, 2021 · Introduction Of Silica Sand Flotation Separation Process. Common mineral impurities in quartz sand, such as feldspar, mica, and other silicate minerals, are mostly separated by the silica sand flotation separation process. Based on the difference in the wettability of different mineral surfaces to water, hydrophobic particles tend to adhere to ...
US6098810A - Flotation process for separating silica from ... A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass.
A new flotation process separating feldspar from quartz was introduced and its principle was investigated. In this new flotation process, feldspar was floated from silica using n-alkyltrimethylene ...
Flotation process for separating silica from feldspar to . nbsp 0183 32 A process for converting a feed material comprising silica and feldspar into a feldspar product for forming glass the silica having a different chemical composition than the feldspar comprising floating the feed material in the presence of a depressant to depress the ...
US6098810A Flotation process for separating silica from . A separation process is provided for treating a feedprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass.
Flotation Process For Separating Silica From Feldspar. Flotation process for separating silica from feldspar flotation of metal ores smartcmecoin Introduction to Mineral Processing Chevron Phillips In ore beneficiation flotation is a process in which valuable minerals are separated from worthless material Get More . flotation of silica sand
Patent US6098810 - Flotation process for separating silica from ... Aug 8, 2000 ... Flotation process for separating silica from feldspar to form a feed material for .... through an ionization or electrostatic field before the passing step. .... flint and quartz), feldspars (e.g., plagioclase and orthoclase feldspars
Flotation process for separating silica from feldspar to. Aug 08 2000 nbsp 0183 32 Flotation process for separating silica from A separation process This configuration is particularly useful for separating silica from feldspar...
An anionic-cationic flotation of two Egyptian feldspar samples, representing Road Ashaab locality of the Eastern Desert of Egypt, was investigated on both laboratory and pilot plant scales. The pegmatites belong to the alkali feldspar granite type, mostly microcline and orthoclase, KAL Si3O8 coarse grained rocks. Quartz, as the main gangue mineral, occurs in two forms as either free grains or ...
Nov 23, 2020 · Flotation is one of the commonly used methods for silica sand beneficiation. It is mainly used to remove mica and feldspar minerals that are symbiotic with silica sand. However, in the actual production process, the flotation process will be affected by many factors, including: feed size, slurry temperature, slurry liquid chemical composition, flotation reagents and other flotation conditions.
A froth flotation process for separating feldspar from quartz-feldspar sands ore consisting essentially of the steps of subdividing said ore to produce at least a fraction having a particle size less than about 1 mm, collecting said fraction and washing the same with water to effect desliming, introducing the washed fraction at a solid ...
Patent US6098810 - Flotation process for separating silica from ... Aug 8, 2000 ... A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron... More details » Get Price
Flotation of Feldspar, Spodumene, Quartz and Mica from Pegmatites ... by-product mica, feldspar and quartz from hard rock pegmatites. 5'6 Kings ... of a lower grade, dry ground mica of relative coarse size, concentrated as by- ... mica, removal of undesirable iron-garnet minerals and feldspar-quartz separation
Mar 20, 2019 · Sandvik K (1979) Flotation properties of feldspar and quartz. Minerals Research Laboratory. 19. Shimoiizaka J, Nakatsuka K, Katayanagi T (1976) Separation of feldspar from quartz by a new flotation process. World Mining and Metals Technology Port City Press, Baltimore, pp 428–438. Google Scholar 20.
Oct 31, 2020 · In this work the reverse flotation as beneficiation process for high-purity silica valorization from Draissa quartz deposits (Algeria) is studied as a potential raw material for photovoltaic silicon production and starting charge for crystal growth material for a large wide of applications such laser and scintillation. The samples are investigated by optical microscopy, secondary ion mass ...