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Fine-sized concentrates are not suitable to be directly used in the iron-making facilities. Hence, an agglomeration technique should be applied and the most commonly employed method is pelletization. In pelletization, iron ore, water and a binder are balled in a mechanical disc or drum to produce agglomerates. Bentonite is the most widely used ...
researchers have investigated the use of boron compounds in iron ore agglomeration and found promising results which have been covered in this paper. Keywords: Iron ore, Pelletization, Agglomeration, Bentonite, Organic binders, Boron compounds, Colemanite. 1. IRON ORE PELLETIZING The main raw material in iron-steel industry is iron ore.
Apr 12, 2015· AROI A I, ÖZBYOGLU G, HIÇYILMAZ C, AKDEMIR Ü, MAMUREKLI M. Determination of an alternative binder to bentonite in iron ore pelletization [C]// 11th Turkey Mining Scientific and Technical Congress. Ankara, 1989:393–405. Google Scholar
Organic binders have been used as an attractive alternative to bentonite in iron ore pelletizing process, mainly because it burns without leaving any residue in the final pellet. There are two main types of organic binders, those based on cellulose compounds and other based on polyacrylamide polymers.
during pre-heating, contrary to bentonite clays commonly used in pelletizing iron ore for blast furnaces. Due to the need to process increasing volumes of low grade iron, interest in organic binders has increased lately. Organic binders tend to produce good quality wet pellets which however often lack in compressive strengths after sintering.
Review of Organic Binders for Iron Ore Agglomeration J.A. Halt, S. Komar Kawatra . ... or pelletization, moist iron concentrate particles and flux materials are rolled into balls with the ... Many factors are considered when choosing a particular binder for iron ore agglomeration. For example, with bentonite, it is well known that using a ...
Determination Of An Alternative Binder To Bentonite In ... Determination Of An Alternative Binder To Bentonite In Iron Ore Pelletization Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.
Determination of crashed resistance by the number of drop falls ... as an attractive alternative to bentonite in iron ore ... structure of ideal organic binders for iron ore pelletization based on ...
alternative binders to bentonite for iron ore pelletizing: part i: effects on physical and mechanical properties The use of conventional bentonite binder is favorable in terms of mechanical and metallurgical pellet properties, however, because of its acid constituents bentonite is considered as impurity especially for iron ores with high acidic ...
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1. Introduction. Iron ore pelletization plants in the United States used approximately 612,000 metric tons of bentonite as a binder to produce iron ore concentrate pellets in 2000 (Virta, 2001).It is a major cost item, with individual plants spending US$3–5 million annually for bentonite.
A review of binders in iron ore pelletization. ... Organic binders have been used as alternative to bentonite in the iron ore pelletizing process mainly because it burns without leaving residue in ...
ALTERNATIVE BINDERS TO BENTONITE FOR IRON ORE . The use of conventional bentonite binder is favorable in terms of mechanical and metallurgical pellet properties, however, because of its acid constituents bentonite is considered as impurity especially for iron ores with high acidic content.
bentonite applisbmions as iron ore palletisation,Iron ore pelletization plants in the United States used approximately 612000 metric tons of bentonite as a binder to produce iron ore concentrate pellets in 2000 Virta 2001 It is a major cost item with individual plants spending US3–5 million annually for bentonite
The use of conventional bentonite binder is favorable in terms of mechanical and metallurgical pellet properties, however, because of its acid constituents bentonite is considered as impurity especially for iron ores with high acidic content.
The essential parameters affecting the pelletization process of pyrite ash were studied using bentonite as a binder. Experiments were then carried out using bentonite and a mixture of bentonite with calcium hydroxide and calcium chloride in order to make the bentonite more effective.
The beneficial influence of viscous binders in iron ore balling is well known from everyday practical operations. The large variety of binders studied in the iron ore industry was recently reviewed by Eisele and Kawatra . The most common binder is bentonite, of which additions of 0.5–0.7% are usually made.
Jun 10, 2013· Effects of bentonite fiber formation in iron ore pelletization. 1 Jul 2002 . You may be required to register, activate a subscription or purchase the article . Bentonite is a significant cost item in iron ore pelletization, and also . development method, and be used successfully as iron ore pellet binders. »More detailed
Jan 01, 2018· "INTRODUCTION Iron ore beneficiation needs advances in areas such as process control, automation, burner and furnace designs, silica-free binders, and even alternative iron making routes. While some – like new binders – are only step-changes, all are tools that can help make the ironmaking industry more sustainable. This paper focuses on ...
The various advantages of iron ore pellets are given below. Iron ore pellet is a kind of agglomerated fines which has better tumbling index when compared with the iron ore and it can be used as a substitute for the iron ore lumps both in the BF and for DRI production. Pellets have good reducibility since they have high porosity (25 % to 30 %).
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.
Bentonite Activation Methods For Iron Ore Pelletization. Sivrikaya arol 2014 alternative binders to bentonite for iron ore pelletizing part i effects on physical and mechanical properties o sivrikaya1 and ai arol2 1 adana science and technology university faculty of engineering and natural sciences dept of mi,Bentonite activation methods for iron ore pelletization.
Nov 14, 2011· Kemira has developed a series of KemPel™ synthetic organic binders for iron-ore pelletization. The technical and commercial benefits of this technology were presented in August to the Advanced Sustainable Iron & Steel Making Center (ASISC) conference at Michigan Technological University in Houghton, Michigan.
Apr 11, 2013· The objective of this study was to identify the alternatives of bentonite for iron ore pelletization. To achieve this goal, different types of organic and inorganic binders were utilized to produce iron oxide pellets. The quality of these iron oxide pellets was compared with pellets made using bentonite.
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