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HYPERBARIC BAUXITE FILTRATION: NEW WAYS IN …
At Barcarena in northern Brasil, Alunorte has commenced processing of bauxite from the newly developed Paragominas mine. The challenge was to transport the bauxite over a distance of …
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Cross-Country Bauxite Slurry Transportation | SpringerLink
Over the last four decades, slurry pipelines have proven themselves to be a safe, reliable, and cost effective way to transport large tonnages of minerals over long distances. A variety of …
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Bulk Bauxite Shipping
Bulk bauxite shipping involves the transportation of large quantities of the mineral bauxite, which is primarily used as a raw material in the production of aluminum. Here are some key considerations for the safe and efficient shipping of bulk …
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Performance Simulation of the Transportation Process Risk of Bauxite
China imports a large quantity of bauxite each year. Bauxite in fine particles with high moisture has a high risk of liquefaction during the maritime transportation process, which is harmful to ...
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Seaworthiness Management of Bulk Carriers during the …
J. Mar. Sci. Eng. 2023, 11, 303 2 of 19 a profound impact on the industry. It was a Handymax carrier with 46,400 Tons of bauxite that capsized and sank with 18 crew members on 2 January 2015 [2].
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Performance Simulation of the Transportation Process Risk …
industrial aluminum. China's imported bauxite increased sharply from about 2.3 million tons in 2007 to 82.62 million tons in 2018 [1], resulting in a substantial increase in the transport of bauxite by shipping. Due to its cargo characteristics, bauxite can be liquefied under certain conditions during the maritime transport process.
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Seaworthiness Management of Bulk Carriers during …
Finally, practical recommendations were given on keeping a ship seaworthy before and during the process of bauxite transportation. The seaworthiness of a ship plays a critical role in ensuring the safety of life and …
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Bauxite in Jamaica
Transport costs are low as a result of rail lines and ports which are in place. Jamaica is also located close to North America and can therefore easily supply the smelters there. Challenges facing the Jamaican Bauxite Industry. Jamaica is finding it more and more difficult to compete with other bauxite producers around the world.
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The effects of energy consumption of alumina production in the
Bauxite transportation is the most critical contributor to terrestrial acidification, representing 64% of SO 2-eq emissions due to the emissions of nitrogen and sulphur species to the atmosphere from ocean freighters and the subsequent deposition of these species to soil and oceans (Jutterström et al. 2021).
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Research into the Behavior of Bauxite During Shipping: An
Organization (IMO) to amend regulation related to bauxite maritime transportation in bulk. Between 2015 and 2017, the GBWG collected and analyzed samples representing over 90 % of all seaborne traded bauxite. The various experimental techniques applied include cyclic triaxial testing and physical modelling to investigate all possible bauxite ...
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Solved Part 3. Transportation Modeling. A factory producing
There are 4 modes of transportation of bauxite to the factory: by ship (T1) - by trucks (T2) - by a simple railway wagon (T3) - by special railway wagons (T4). The total capacity per day is 4 thousand tones for ships, 3 thousand for cars and 4 thousands each one of the two types of rail. Transportation costs per tone are given in the following ...
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Research into the Behavior of Bauxite During Shipping: An
The research on bauxite behavior during maritime transportation has identified insights into instabilities due to moisture occurring in bauxite that offers potential safety benefits in cases …
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Cross-Country Bauxite Slurry Transportation
Over the last four decades, slurry pipelines have proven themselves to be a safe, reliable, and cost effective way to transport large tonnages of minerals over long distances. A variety of …
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Frontier trends and risk control research on bauxite dynamic …
Abstract. As the International Maritime Organization (IMO) has pointed out the bauxite dynamic separation phenomenon in sea transportation, which is different from that of liquefaction, another important factor that affects the maritime safety of solid bulk cargoes has come into our view.
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Contrastive and Experimental Study on the Characteristics of Bauxite
International transport of commodities is one of the most important parts of the shipping industry. Among bulk commodities, solid bulk cargo with potential liquefaction is classified as Group A ...
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Bauxite
Usually, bauxite ore is heated in a pressure vessel along with a Sodium Hydroxide solution at a temperature of 150 to 200°C. At these temperatures, the aluminium is dissolved as an …
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Risk Assessment of Bauxite Maritime Logistics Based on …
Once the port is congested, it will inevitably lead to a delay in the transportation of bauxite, which will lead to an increase in transportation costs; the third failure mode is related to the transport personnel, i.e., the crew themselves. In general, operational errors caused by a lack of safety awareness or lack of emergency response skills ...
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Cross-Country Bauxite Slurry Transportation
Bauxite has developed a reputation for being difficult to hydraulically transport. This is about to change with the first long-distance slurry pipeline. The 250-km-long, 10 MT/y capacity pipeline was designed by PSI. Several other pipelines are currently being considered for transportation of …
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River Transport of Bauxite
The client is a transport operator in Brazil that operates river barges for moving bulk cargoes. They requested our assistance to evaluate the viability of a long term contract to carry bauxite from their client's bauxite mine to an alumina refinery – a …
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(PDF) Bauxite mining and shipping: transportable moisture limit …
Bauxite residue (Red mud) is one of the major waste produced industry which utilize bauxite (Al This research work investigates the suitable utilization for a particular bauxite residue samples depending upon its geotechanical properties and strength c raw red mud gypsum content was varied from 0%, 0.25% and 0.75% of dry weight of the red mud.
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Influence of Rheology on the Flow Characteristics of Bauxite …
optimizing its bauxite transporting infrastructure. In India, Odisha is the largest bauxite-producing state (43.6%), fol-lowed by Jharkhand (19.2%), Maharashtra (13.3%), Madhya Pradesh/Chhattisgarh (11.4%), and Andhra Pradesh (12.5%) [14]. Clearly, transportation of bauxite ore from the raw material source to the metal production site in slurry ...
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Solved A factory producing aluminum is supplied with bauxite
A factory producing aluminum is supplied with bauxite from three mines (1,2 and 3) which produce 6,4 and 7 thousand tons of minaral per week respectively. There are 4 modes of transportation of bauxite to the factory: by ship (T1) - by trucks (T2) - by simple railway wagon (T3) - by special railway wagons (T4).
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LONG-DISTANCE TRANSPORT OF BAUXITE SLURRY BY …
bauxite from mine to alumina refinery over long distances are by rail or conveyor. Bauxite is delivered to the refinery relatively dry as run of mine ore ready for feed into the plant crushing/ grinding circuit. However, an alternative means of transport gaining attention is to prepare a slurry from the bauxite ore at the mine and pump it through a
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Bauxite
Description / Application. A brownish - yellow clay-like / earthy mineral, it consists mainly of hydrated alumina, mixed with silica and iron hydroxide and is the most important source of aluminum. It is also known as aluminium ore and usually obtained from open cast mines. Bauxite is usually strip mined because it is almost always found near the surface of the terrain, with …
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Rheological characteristics of bauxite slurry with varying
Bauxite has developed a reputation for being difficult to hydraulically transport. This is about to change with the first long-distance slurry pipeline. The 250-km-long, 10 MT/y capacity pipeline ...
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Provenance and Paleo-Environment of the Late Carboniferous Bauxite
The Carboniferous Benxi Formation in southern Shanxi of North China has significant bauxite resource potential; however, the source of its metallogenic material and its sedimentary environment remain unclear. The microscopy, X-ray diffraction, X-ray fluorescence spectroscopy, and inductively coupled plasma mass spectrometry methods were applied in …
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Performance Simulation of the Transportation Process Risk of Bauxite
China imports a large quantity of bauxite each year. Bauxite in fine particles with high moisture has a high risk of liquefaction during the maritime transportation process, which is harmful to the stability and safety of the carrier. To ensure safe shipping, it is necessary to pay attention to the effects of the operation of cargo, the ship's maneuvering and the ocean environment during the ...
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Performance Simulation of the Transportation Process Risk …
J. Mar. Sci. Eng. 2019, 7, 108 2 of 17 loaded with bauxite from the same wharf and sailed the same route at sea. Bauxite liquefied during the prophase of the transportation process and the ...
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Methods of Measurement and Improvement of Rheological …
The concentration and transportation of bauxite residue and bauxite slurry are two common challenges alumina refineries face today. Alumina refineries are seeing lower available alumina and ...
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Density of bauxite sample (kg/m 3 ).
Download scientific diagram | Density of bauxite sample (kg/m 3 ). from publication: Contrastive and Experimental Study on the Characteristics of Bauxite during Shipping | International transport ...
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