1 edition of Investigation of cationic and anionic flotation of iron ores found in the catalog.
Investigation of cationic and anionic flotation of iron ores
|LC Classifications||UR #10 1964|
|The Physical Object|
|Number of Pages||11|
Reagents in iron ores flotation. HOME ; Reagents in iron ores flotation; Nevertheless, most of the laboratory investigations indicated that the ﬂotation of iron oxides with either anionic (fatty acids) or amphoteric collectors (sarcosinates and sulphosuccinamates) yields concentrates with high silica contents. ). Anionic. Additional Physical Format: Online version: Browning, James S. Anionic-cationic flotation of mica ores from Alabama and North Carolina. [Washington, D.C.]: U.S. Dept.
The FIPR/SAPR process offers a universal flowsheet for any anionic reagent system and flotation feed of varying sizes. For an unsized or fine flotation feed, the basic FIPR/SAPR process consists of the following steps: (1) high-solids conditioning with an anionic collector;(2) anionic rougher flotation, with the rougher concentrate sized at 48File Size: 9MB. Beneficiation of Western Mesabi Range oxidized taconites: A comparison of the anionic and cationic flotation systems and an evaluation of potential iron ore reserves [H. D. Jacobs] on *FREE* shipping on qualifying offers.
for the recovery of spodumene through standard direct (anionic) froth flotation to produce a high-grade concentrate without using cationic flotation as a cleaner. This investigation into the recovery of spodumene used low-grade ore with a significant variation in . The raw ore sample containing pct fe was treated by both cationic and anionic flotation. Using the cationic system the concentrates averaged wt-pct of the feed and contained pct fe and pct sio2 with an iron recovery of pct.
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1. Introduction. Reverse cationic flotation has been proved to be the most widely utilised technology for the economical utilization of iron ores,, and the main technical feature of this process is to float out the main gangue mineral quartz from the iron minerals by cationic s amines and their derivatives are used as cationic by: Investigations on reverse cationic ﬂotation of iron ore by using a Gemini surfactant: Ethane-1,2-bis(dimethyl-dodecyl-ammonium bromide) Zhiqiang Huang, Hong Zhong.
The flotation of most of the low-grade iron ores containing quartz as the major impurities is being carried out by using several cationic collectors like DDA, coco amine, tallow-amine, and ether. Introduction.
Reverse cationic flotation is currently the most widely used flotation route in the iron ore industry. The metal loss at the de-sliming stage, which is essential in reverse cationic flotation, and the high cost of amine collectors are the common issues/problems of reverse cationic by: Reverse cationic flotation is the most used flotation method of iron ore beneficiation.
Ether amines and starches are usually used as collectors and depressant, respectively. Selective depressants for Fe-bearing silicates deserve further by: flotation of iron oxide, cationic flotation of quartz, anionic flotation of iron oxide, anionic flotation of quartz, and combination.
Despite the variety of flotation routes developed for iron ores, currently, the reverse cationic flotation route developed by the USBM branch in Minnesota is by far the most widely used flotation route in the iron ore industry.
The two anionic flotation routes developed by. An overview of the beneficiation of iron ores via reverse cationic flotation Article (PDF Available) in International Journal of Mineral Processing March with Reads.
RECOVERING IRON VALUES FROM IRON ORE SLIMES USING CATIONIC AND ANIONIC COLLECTORS John Samuel Thella, Asim Kumar Mukherjee and Y. Rajshekar1 Research Development & Technology, Tata Steel Limited, Jamshedpur, India 1RMIMTG, Tata Steel Limited ABSTRACT Indian iron ore industry is one of the world’s largest and growing at a rapid pace.
Cationic collectors. Primary fatty amines, utilised in the pioneer USBM process, are no longer employed in the flotation of iron ores. They were modified with the insertion of the polar group (O–CH 2) 3 between the radical R and the polar head NH 2 of the primary amine.
Due to the presence of the covalent bond C–O, characteristic of the organic function ether, reagents belonging to this Cited by: With the depleting reserves of high-grade iron ore in the world, froth flotation has become increasingly important to process intermediate- and low-grade iron ore in an attempt to meet the rapidly growing demand on the international market.
In over half a century’s practice in the iron ore industry, froth flotation has been established as an efficient method to remove impurities from iron ore. same in the concentrate, and %, respectively for the reverse cationic and anionic flotation.
The magnetite grade in the iron concentrate of the anionic flotation is increased up to % while the grade of non-metallic minerals is decreased to %.
Corn starch is the most widely used depressant for iron oxide in the reverse cationic flotation of iron ores while the silicate minerals are floated using usually amine as by: 4. The paper presents a comparative study of the cationic and anionic flotation routes to process a fine-grain oxidized iron ore.
The modified carboxymethyl cellulose was found as the most efficient. The present investigation deals with the recovery of iron values from the screw classifier overflow slimes from an iron ore washing plant by means of reverse cationic flotation as an alternate to direct anionic flotation.
Selectivity index, an indicator of separation efficiency, was chosen as the response parameter for optimizing the quantity. Intensive investigations on iron ore ﬂotation began in America in the s.
There are ﬁve major types of ﬂotation routes for iron ore, which have been developed to remove silica from iron minerals, including cationic ﬂotation of iron oxide, cationic reverse ﬂotation of quartz, anionic ﬂotation of ironCited by: 4.
In this paper, several studies describing the processing of iron ores via direct and reverse cationic and anionic flotation are reviewed.
The objective of this review was to present and identify the effects of different flotation conditions on removal of specific impurities in iron ore such as quartz, alumina, phosphorous, and by: However, due to advantages of reverse cationic flotation over anionic flotation, including the higher process selectivity and rates, as well as satisfactory results when hard water is used, the reverse cationic flotation route has become the most typical flotation route in the iron ore industry [3,4,5,6,7].Cited by: 4.
The micro-flotation and Bench-scale flotation results further verify that TTPC presents a stronger collecting power and much better selectivity for iron ore reverse flotation in comparison to the conventional collector DTAC. Furthermore, the corresponding adsorption mechanism of TTPC on the quartz have also been investigated in by: 4.
In iron ore concentration, reverse cationic flotation of quartz has been successfully employed for particles below mu m previously deslimed.
Amine and starch are used, respectively, as quartz. Flotation of zinc oxide ore using cationic and cationic-anionic mixed collectors Materials and Methods Materials A representative sample containing % Zn was taken from tailing of the cerrusite flotation circuit. The chemical composition of the ore sample and pure smithsonite determined by XRF is presented in Table 1.
The mineral processing technology of Anshan-type iron ores has been developed in a rapid speed in recent years, and the combined flowsheet at the core of anionic reverse flotation has become a mainstream in the beneficiation of Anshan-type iron ores in china.
With the successful application of this combined flowsheet, some obvious problems are also : Zhong Hang Cheng, Dian Bing Zhu, Shu Juan Dai, Ahmed Sobhy.Investigations on reverse cationic flotation of iron ore by using a Gemini surfactant: Ethane-1,2-bis(dimethyl-dodecyl-ammonium bromide).
Chemical Engineering Journal, DOI: / Wentian Jiang, Chenglin Sun, Xu Yang. Adsorption and zeta potential studies relevant to hematite ore reverse froth by: In this study, the recycled tailing water from a local plant, characteristically constituting of Ca 2+, Mg 2+, Na +, K +, Al 3+, Fe 3+, Cl −, SO 4 2− etc., was introduced into the cationic reverse flotation process of an iron ore.
A series of bench flotation tests using iron ores, micro-flotation tests using pure fine quartz, water chemical Author: Min Tang, Shuming Wen.