Desliming
With respect to dewatering slimes, thickening equipment is often used to concentrate the fine particles for further processing by other dewatering equipment which will then produce the final dewatered product. Over the years, nomenclature has been adopted that is specific to thickener functions in the mineral processing industries.
Selective flocculation and floc-flotation of iron bearing mineral slimes
The mineral processing of friable iron ores usually generates ultrafine (smaller than 15 µm) particles, normally called slimes, which usually have a high iron grade and are usually disposed into ...
Processing of alumina-rich Indian iron ore slimes | Request …
The current washing practice results in three products, the coarser lump ores (-200-10 mm), classifier fines (-10 mm) and slimes (-0.1 mm). Due to high iron values, the coarser lump ores were ...
Modern mining thickener price for Sludge Separation
Mining Thickener Price For Mineral Processing, Low Cost Thickener Tank For Mineral Tailings. $9,600.00 - $10,000.00. Min. Order: 1 set. 15 yrs CN Supplier.
Recovery of Iron Values from Iron Ore Slimes of Donimalai …
AbstractDuring production of calibrated (sized) ore, more than 50 % of the generated fines and rejects (Slimes) cannot be directly utilised in iron making due to its unfavourable granulometry, low iron content, high alumina and silica content. Approximately 10–20 % of the process plant input is discarded as slimes into slime ponds/tailing dams. Tailing …
(PDF) Iron Ore Slimes Flotation Tests Using …
This work describes the concentration of iron ore slimes on a pilot scale by using a 500-mm diameter flotation column and a novel collector, which renders the use of a depressant unnecessary. The pilot column was …
Measuring Settling Rates and Calculating Thickener Capacity
The following is an illustration of the method used in computing the area and depth required in a thickener to handle 100 tons of pulp per day, thickening from 6 parts fluid to 1 part solids down to 1.12 parts fluid to 1 part solids. Fig.7- Slime-Settling Data, Nipissing Low-Grade Mill, Cobalt, Ont.
Beginners guide to thickeners
Beginners guide to thickeners. Thickening is a process where a slurry or solid-liquid mixture is separated to a dense slurry containing most of the solids and an …
Iron ore slimes flotation
This investigation addressed the processing of ultrafine tailings (slimes) from an iron ore concentrator via reverse cationic flotation to produce pellet feed fines, despite the traditional view that ultrafine particles do not float.. Following size analyses, chemical and mineralogical characterisation, desliming and flotation tests were performed aiming …
Minerals | Free Full-Text | The Characteristics of Iron Ore Slimes …
The flotation has been successfully applied to process the iron ore for the particle size (Ps) from 10 µm up to 150 µm. The presence of the slimes (Ps < 10 µm) is harmful on the reverse flotation of quartz, so they are usually prior removed by hydrocyclones. The main effects of the presence of slimes on the flotation are related to …
How to Remove Harmful Materials on Ore …
In the mining and mineral processing industry, ore handling or ore preprocessing, which may account for 30-60% of the total delivered price of raw materials, usually covers the processes of transportation, …
Thickeners and Clarifiers
10 Paste thickeners Thickeners and clarifiers The 2nd Generation PT has a high sidewall and steep floor slope. With integrated automation, it reacts to changing process conditions. The thickener utilizes control based on consistent solids inventory to achieve and maintain the required underflow density.
Potash Flotation Process
Potash Flotation Process. Potash occurs in soft deposits generally associated with sodium chloride and varying amounts of clay slime, which because of its colloidal character, complicates the beneficiation process. Potash ores generally contain 20 to 40 percent KCL with the balance being NaCl and a small amount of clay slime, the …
Proven performance in mineral and ore processing …
harshest slurry pump services found in mining, mineral and ore processing, and flue gas desulfurization. The SLC Series is designed with a unique non-clogging cone spring that increases seal reliability and enables flushless operation for low operating costs. The premier seal for tough slurry applications The SLC advantage
Settling characteristics of ultrafine iron ore slimes
The slurry settling characteristics are the most important to design a thickener in process industries. In this work, the iron ore slurry from the screw classifier overflow was used for the settling study. It was observed that the original slurry exhibited a low settling velocity and a turbid supernatant during the settling process. Commercial …
Thickening and Dewatering of Clay
Process the slimes in the thickeners at which stage flocculent would be required to achieve underflow densities of 50% or more (which should be achievable with the material you are processing). ... Assuming that your are processing iron ore (probably) Haematite with silica and alumina clays. Making pellets which requires concentrate fe should ...
(PDF) IRJET-Fine particle processing of iron ore slimes from …
Key Words: Iron ore slime processing, Desliming, VPHGMS, WHIMS 1. INTRODUCTION Indian Iron ore occurs mostly as oxides in nature. The deposits are fairly well distributed in the states of Jharkhand, Chattisgarh, Orissa, Karnataka, Maharashtra, Goa and Andhra Pradesh [1&2]. The lack of consistency with respect to the ratio of Al2O3 to SiO2 make ...
Donald Rare Earth and Mineral Sands Project, Australia
The mining fleet will include 250t excavators with 150t haul trucks for mining of overburden, while 250t excavators with a fleet of 95t haul trucks will be used for mining of ore. Processing. The processing plant will have a feed rate of 1,000tph at the minimum feed grade, while the feed rate will be constrained to 900tph at the maximum feed grade.
The Characteristics of Iron Ore Slimes and Their …
The flotation has been successfully applied to process the iron ore for the particle size (Ps) from 10 µm up to 150 µm. The presence of the slimes (Ps < 10 µm) is harmful on the reverse ...
China Ore Thickener Tank Machine Supplier for Slurry, …
Product Discription of Thickener machine: The Thickener is suitable for dehydrating water of theconcentration and gangue in the concentrating factory, make the mash of 20-30% raise up to 40-70% about. The concentration machineis widely used for melting, chemical, coal, nonmetal concentration, environment protected etc. Thickener Machine is suitable …
How to Handle Coarse Ore in a CCD Thickener Circuit
The use of a series of thickeners for washing of the slime fraction of a leached ore is not uncommon in the uranium industry; however, few ore processing mills have used a thickener circuit for washing leached total ore. The common practice is to wash the sand fraction in classifiers and the slime fraction only in thickeners.
Beneficiation Studies on Alumina-Rich Indian Iron Ore Slimes …
Alumina reduction in Rajhara iron ore slimes essentially involves separation of hematite from gibbsite in relatively coarser fraction and from kaolinite in the finer fraction. Selective dispersion flocculation studies on synthetic mixtures clearly indicated that while it was possible to achieve almost perfect separation of hematite from kaolinite using starch and …
Processing of Alumina-Rich Iron Ore Slimes: Is the Selective …
Beneficiation of alumina rich iron ore slimes is a major challenge for the Indian iron ore industry. Considering the limits of gravity and magnetic separation processes in the relatively finer size range in terms of achieving adequate separation efficiency, selective flotation (with and without selective flocculation) of iron ore slimes, …
Thickener Torque -Rakes & Drive
As the load in the thickener settles to the bed, the Torque on the rake arms will be climbing. Torque is nothing more than a rotary force being applied from the rake arms to the drive shaft. It is the degree of torque that indicates to the operator the load that is in the thickener and when the rake arms have to be lifted.
3 Common Problems and Solutions of Mining Thickeners
If the slurry contains too much slime (especially fine slime of 0.1-0.001μm), it is difficult to clear the overflow, which can also cause turbidity. ... The processing capacity of the thickener should refer to the related parameters of the cyclone, because the overflow amount of the cyclone is the ore supply capacity of the thickener. In ...
Thickener Operating pH and Lime for Flocculation & Improved Settling
If, for some reason, the thickener's settling rate is too slow, as in the case of the grind being so fine or you are dealing with clay rich ore and now the concentrate stays in suspension. The thickener could be "sliming" and will produce a dirty overflow combined with a low density underflow. If this is ...
(PDF) Thickeners in iron ore processing
The tests indicate that the calculations for the solid-loading area need to be corrected by a multiplicative factor of 0.64 for slime thickeners and 1.3 for pellet feed thickeners. Discover the ...
Coal slime water purification deep cone thickener | LZZG
There is a stirring device in the machine, and the concentration effect is good. The overflow concentration is less than 0.1 g/L, the underflow concentration is 252 g/L, the clarifying speed is 45 m/h, and the processing capacity is 850 m3/h. for clarification of slime water. The principle of the thickener to purify the ore washing sewage
Thickener
Mineral Thickener. Capacity: 1.3-1140 t/24h. Application: dewatering process of concentrates and tailings in the mineral processing plant. Our thickener is specifically designed for the mineral processing industry and tailing processing. How It Works.
Crushing and Grinding Wet & Sticky Ore
Soluble values such as copper sulphate can often be separated from the slime in a thickener and the clear overflow water passed over scrap iron for precipitation of the copper. The Wet Ore Processing Flowsheet. In the flowsheet illustrated the basic steps are shown for the average mill.
The Characteristics of Iron Ore Slimes and Their Influence on …
The flotation has been successfully applied to process the iron ore for the particle size (Ps) from 10 µm up to 150 µm. The presence of the slimes (Ps < 10 µm) is harmful on the reverse flotation of quartz, so they are usually prior removed by hydrocyclones.