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The invention discloses a method for separating tantalum, niobium and spodumene from spodumene concentrate containing tantalum and niobium by flotation, which comprises the following steps: adding a pH regulator into ore pulp or dry ore pulp containing tantalum-niobium-iron ore or ore pulp or dry ore pulp of tantalum-niobium-manganese ore and spodumene, …
The invention discloses a process for floating lepidolite, which comprises the steps of: enabling tailings of tantalum niobium ore subjected to reselection to enter a flotation procedure after desliming or directly enter a flotation procedure, adding a floating agent, and floating to obtain high-quality lepidolite concentrates. The lepidolite is floated and recycled in neutral ore pulp, …
A sample of fine tin bearing tailings, grading 6% tin, was tested using a lab scale Falcon UF concentrator. The objective of the test work was to achieve a target grade of 30%. The particle size distribution and assay, provided in Table 2, shows that 76% of the mass and 86% of the tin occurs in the -37 micron particle size class.
The invention discloses a flotation separation method of antimony sulfide and gold-bearing pyrite. Sodium hexametaphosphate is adopted as a dispersing agent, sodium silicate is used as a silicon and calcium gangue inhibitor, copper sulfate is used as an antimony and gold mineral activating agent, butyl xanthate is used as a collecting agent, and No. 2 oil is used as a …
Tin gravity slime tailings of Datun mineral processing plant in south-eastern China contains fine and ultrafine cassiterite. Tin recovery from the slime tailings was studies in the presence of different flotation reagents. A flotation process has been used on a laboratory scale to investigate the effect of various reagents such as collectors, auxiliary collector, activators, ect., …
feed for cassiterite flotation, whereas the over flow, which co mprises 3.9 % of the tin, can be u sed as a feed for flotation pro cesses focusing on fine particle fractions. The coarse fraction ...
In the flotation separation process, flotation reagents are the critical techniques. Various reagents and their derivatives (known as collectors) have been employed, evaluated and developed to recover fine and ultrafine cassiterite particles from low-grade tin ores and gravity tailings. For instance,
However, cassiterite is easily sludged in the nature and in the process of ore sorting. Therefore, flotation is also used to recover fine-grained cassiterite from the fine mud and tailings. 1. Why is tin oxide ore extraction so important？ Tin is one of the earliest metals discovered and used in human history.
The beneficiation of cassiterite fines from a tailing slime in the Datun concentration plant was studied through a froth flotation process, with the chemical scheme of benzohydroxamic acid as collector, lead nitrate as activator, and pine oil as frother.
A feature of these old tailings is supergene mineralization and sulphide oxidation products. Alongside with cassiterite, varlamovite is present as a typical product of stannite-group tin sulfosalts modification. New experimental data on flotation of Solnechny MPP tailings with DBDTC are obtained.
The recovery ratio of tin from raw tin ores by traditional beneficiation processes has been reported to be only approximately 30 wt.%; thus, a large number of tin-bearing tailings with 0.1–1.0 wt.% tin content are discharged as solid waste.74,75 The tailings not only occupy precious land and cause environmental pollution but also give rise to ...
At present, tin used in industry mainly comes from cassiterite. Because the density of cassiterite is relatively high (6.4~7.1g/cm3), the primary method of beneficiation of cassiterite is reselection. However, because cassiterite is brittle, it is simply siltified in nature and in the process of crushing, grinding, and beneficiation.
Cassiterite is the most common and important tin-bearing mineral, and calcite, a primary gangue mineral is generally found in tin deposit. The flotation separation of cassiterite from calcite remains a challenge due to their similar response to traditional reagents.
Beneficiation of Ultrafine Cassiterite from a Tin Tailings . By applying the process ultrafine cassiterite can be efficiently recovered from the tailings slime by one rougher process and the concentrate assaying 1.20 Sn with a recovery of 89.10 was obtained. Abstract A tailings assaying 0.4 Sn is taken from a flotation process which is . Get Price
The beneficiation of cassiterite fines from a tailing slime in the Datun concentration plant was studied through a froth flotation process, with the chemical scheme of …
Cassiterite is an important tin oxide mineral, which is a raw material for extracting tin and making tin alloys [8] [9][10]. The beneficiation process of cassiterite ore mainly includes gravity ...
Cassiterite is the most common and important tin-bearing mineral, and calcite, a primary gangue mineral is generally found in tin deposit. The flotation separation of cassiterite from calcite remains a challenge due to their similar response to traditional reagents. In cassiterite flotation, sodium oleate (NaOL) and sodium silicate (SS) have been widely used as a collector and a …
The recovery of cassiterite was only at 29.18% by flotation, indicating a great loss of cassiterite in the tailings. Gravity separation, especially when using hang and vibrate of cone concentrator, was found to be effective for the recovery of both tungsten minerals and cassiterite, with the quality of the concentrate significantly improved.
By applying the process, ultrafine cassiterite could be efficiently recovered from the slime tailings, and the concentrate assaying 1.82% Sn with a recovery of 76.90% was obtained. Beneficiation of Ultrafine Cassiterite from a Tin Tailings by Flotation | Scientific.Net
Historically, the dominant beneficiation strategy to recover cassiterite (SnO2) from tin ores has been gravity separation (including jigs, spirals and tables), which could be followed by sulfide flotation for further upgrading ( Bulatovic, 2010 ).
China is very rich in tungsten and tin resources, but most of them are finely disseminated with gangues, and thus, fine grinding is required for effective separation, which results in the abundant production of ultra-fine tungsten and tin values into slimes and tailings. The SLon centrifugal separator is highly effective in recovering ultra-fine heavy particles, because it operates on the ...
The present invention provides a kind of methods that low-grade tin-iron mine throws tail in advance, the chosen property ore grinding of raw material is levigate, ore grinding ore pulp carries out shape separation through high-frequency screen, obtain two kinds of products of coarse grain and particulate, particulate ore pulp adds after dispersing agent is sized mixing through …
Tin is a crucial cog in the global economy as its use in electronic solder industry, since the third revolution of science and technology 1,2,3,4.Cassiterite (SnO 2) is …
However, though flotation could enrich fine and ultra-fine wolframite and reprocess tungsten tailings, the flotation beneficiation reagents left in the new tailings can result in new contamination to the environment, especially some arsenic …
The flotation tailings are distributed to four four-compartment hydraulic classifiers for classification of table feed. The table concentrates are pumped to a Spiral Rake Thickener followed by a 4-cell "Sub-A" Flotation Machine for tin flotation, where the remaining sulphides are removed from tin concentrates prior to final dewatering and ...
When cassiterite interacts with IM-50 and ZHKTM, the mineral surface is modified by stable metal-absorbent systems, which promotes efficient tin recovery from tin sulphide ore. By the change in the surface relief parameters of cassiterite, the adsorption layer of IM-50 and ZHKTM agents is qualitatively and quantitatively assessed.
Historically, the dominant beneficiation strategy to recover cassiterite (SnO 2) from tin ores has been gravity separation (including jigs, spirals and tables), which could be followed by sulfide flotation for further upgrading (Bulatovic, 2010).
US3454161A US3454161DA US3454161A US 3454161 A US3454161 A US 3454161A US 3454161D A US3454161D A US 3454161DA US 3454161 A US3454161 A US 3454161A Authority US United States Prior art keywords tin zinc flotation bulk pulp Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
Cassiterite Flotation – Tin Oxide. The nominal size range for cassiterite flotation is between 2 and 100 microns. The top size is variable depending upon the liberation of the cassiterite particles. Cassiterite grains coarser than 100 microns are difficult to float whilst grains finer than 2 microns give selectivity problems.
Activation mechanism of lead ions in cassiterite flotation with salicylhydroxamic acid as collector. ... the recovery of fine and ultrafine cassiterite particles should be the core of work. ... Beneficiation of cassiterite …