Effect of molasses binder on the physical and mechanical properties of iron ore pellets Int J Min Met Mater, 26 ( 2019 ), pp. 41 - 51, 10.1007/s12613-019-1708-x …

For agglomeration of these fines, a suitable binder is required. Iron ore-coal composite pellets were prepared by cold bonding. Various binders such as lime, Ca(OH) 2, slaked lime, dextrose, molasses, and sodium polyacrylate (SPA), alone or in combination, were employed for making composite briquettes. The slaked lime–dextrose combination ...

Against the background of "carbon peak and carbon neutrality," it is of great practical significance to develop non-blast furnace ironmaking technology for the sustainable development of steel industry. Carbon-bearing iron ore pellet is an innovative burden of direct reduction ironmaking due to its excellent self-reducing property, and the …

The aim has been to determine the effects of type of iron ore and binder, and firing conditions on the properties of resulting fired pellets. ... in a few industrial sites is on-line control via ...

Xi-Lun [7] employed sponge iron fines as binder for ore-coke composite pellets and found that the compressive strength of 100 to 200 N per pellet (8 to 10 mm diameter) was suitable for direct ...

This research work focuses on the practicality of using organic binders for the briquetting of pellet fines. The developed briquettes were evaluated in terms of mechanical strength and reduction behavior with hydrogen. A hydraulic compression testing machine and thermogravimetric analysis were incorporated into this work to investigate …

A. B Kotha et.al. investigated the effect of molasses binder on the physical and mechanical properties of iron ore pellets, the change in moisture adsorption, wet and dried pellet compressive strength without binder or bentonite -added pellet [5]. Organic binders based on cellulose improved the compressive strength of wet and dry pellets, …

Molasses was used as an alternative binder to the bentonite binder. The change in moisture absorption by pellets prepared with different iron ores and different molasses contents were investigated. Iron ore properties exerted the major effect on pellet behavior and final pellet quality. The absorbed moisture content of pellets prepared without …

Iron ore pellets are largely characterized by inherent physical and chemical properties of ore as well as pelletizing conditions including induration time, induration temperature, etc. These parameters essentially vary with types of ores. The production of high-quality pellets from hematite ore is challenging because of high level of fineness (Blaine number) and …

Effects of binder type and dosage on the green ball properties of a hematite pellet feed balled at 8.5% moisture content for 13 ... Table 15.14 lists the typical mineral phases present in iron ore pellets, while Figure 15.16 shows two typical microstructures of pellets produced from magnetite and hematite pellet feeds.

Molasses was used as an alternative binder to the bentonite binder. The change in moisture absorption by pellets prepared with different iron ores and different molasses contents were investigated. Iron ore properties exerted the major effect on pellet behavior and final pellet quality. The absorbed moisture content of pellets prepared …

The majority of iron ores must be ground to a fine particle size to allow the iron oxides they contain to be concentrated, and the concentrate must then be agglomerated back into …

Carboxymethyl cellulose is an organic binder used in the iron ore pelletizing industry. The basic principles of how carboxymethyl cellulose (CMC) solutions behave during the …

35S. Patra et al. / JMM 53 A (1) (2017) 31 - 41 To study the effect of particle size on pellets, feed was prepared for four different size ranges. These size ranges taken for pellet

The most common agglomeration technique is pelletization, which requires the use of binders to hold the iron oxide grains together so that the agglomerates can …

The organic binder affected the fired pellet strength mainly by changin of the pellets, as shown in Figure 9. For PAM, CMC, Guar gum, and Na-LS, strength showed a tendency to increase and then ...

The most common agglomeration technique is pelletization, which requires the use of binders to hold the iron oxide grains together so that the agglomerates can be sintered into high-strength pellets. Although bentonite clay is the most commonly used binder, there are many other possibilities that could be competitive in a number of …

5. Conclusions Iron ore pelletization with bentonite binder works by a different binding mechanism than with FBB. Bentonite is a physical binder, while FBB is a pozzolanic binder. Iron ore concentrate pellets produced with up to 50% of the bentonite replaced by fly-ash exceeded minimum industrial specifications for dry compressive strength.

3.2 Modified starch distributions, or homogeneities, in unfired pellets ed Starch-binders tend to cause iron ore pellets to be wet, rough and sticky. Dingeman and Skagerberg (1991; 1992; 1994), DeVaney (1954), and pellet plant personnel believed that starch pt migrates outward as pellets grow and build up on the ball surface, causing the ...

Molasses was used as an alternative binder to the bentonite binder. The change in moisture absorption by pellets prepared with different iron ores and different molasses contents were investigated. Iron ore properties exerted the major effect on pellet behavior and final pellet quality. The absorbed moisture content of pellets prepared …

In this study, the effect of colemanite and calcined colemanite (CC) addition on the properties of iron ore pellets is studied. The pellets are prepared in a lab without and with 0.2% colemanite ...

An organic binder, Funa, has been developed and used in the production of iron ore pellets for direct reduction in China. This paper mainly describes the effects of the binder on balling behaviors ...

Drying and roasting behavior of iron ore pellets with microwave and conventional heating have been comparably investigated. The results showed that the dehydration time of green pellets can be shortened by approximately two-thirds with microwave heating. Meanwhile, the average compressive strength of pellets with …

The green iron pellet demonstrates elastic-plastic deformation behavior during classification on a roller screen, which has a significant effect on its inefficiency due to the occurrence of ...

iron ore

With the intensified depletion of high-grade iron ores, the increased aluminum content in iron ore concentrates has become unavoidable, which is detrimental to the pelletization process. Therefore, the effect mechanism of aluminum on pellet quality must be identified. In this study, the influence of aluminum occurrence and content on the …

Compared to the pellets without binders, the gelatinized starch particles adhere to the iron ore surface in large quantities and connect the iron ore particles through the starch gel matrix, thus ...

In the production of iron ore concentrate pellets, binders are required to improve pellet green strength.The most popular binder for this purpose is bentonite clay, which is added at a rate of approximately 0.5–1.0% by weight of moist concentrate. Bentonite is a significant cost item in iron ore pelletization, and also contributes …

Effect of molasses binder on the physical and mechanical properties of iron ore pellets Int J Min Met Mater, 26 ( 2019 ), pp. 41 - 51, 10.1007/s12613-019-1708-x View in Scopus Google Scholar

Mechanisms in wet iron ore green pellets with a bentonite binder" - Powder Technology 169 ((2006) 147-158 2. Coetsee T., Pistorius P.C, Villiers E.E D. "Rate determining steps for reduction in magnetite-coal pellets" –, Minerals Engineering 15 (2002) 919-929 3. Ripke S.J., Kawatra S. K. "Can fly-ash extend Bentonite binder for iron ore