The largest Ceramic Disc Filters in the world (144m²) 2. Pipeline Overview The Anglo Ferrous Brazil iron ore slurry pipeline has a total length of 525 kilometers and is constructed from predominately 26 inches outside diameter API 5L X70 unlined steel pipe. From kilometer 314 to kilometer 480, instead
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The present study presents the effect of pH reduction in iron ore slurry for an iron ore filtration process. A reduction on moisture content and increase on filters throughput was proposed by the pH modification. The experimental procedure included bench scale tests and industrial scale up of the observed results. Additionally, …
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The regeneration of the ceramic filter medium in the dewatering of iron ore enables the use of the medium for much longer periods in comparison to traditional filter cloths.
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The effects of slurry flow rate on LIBS spectra were investigated to achieve the optimal detecting surface for better repeatability of LIBS, and the results show that this slurry circulation system is applicable to the on-stream slurry analysis. On-stream analysis of the element content in ore slurry has important significance in the control of the …
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Beneficiation of a) iron ore tailings from 40 wt% slurry and b) 55% Fe iron ore slurry with NaOH-Na 2 SO 3-Na polyphosphate additives. These slurries had been allowed to settle for several days. These slurries had …
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Two types of media blockages were found to play an important role in an acidic iron ore dewatering process: fouling by slurry particles and by in-situ …
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Should a ceramic filter be used downstream of a slurry pipelines? August 16, 2017 4 min read. Add to collection ... Thus, pulps must have fine particles (in the case of iron ore pulps - less than 44 microns), which alter the rheology of the pulp. ... An alternative to improve performance would be the use of ceramic filter. The ceramic filter ...
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Hakkinen A., Ekberg B., 2009, DEWATERING OF IRON ORE SLURRY BY A CERAMIC VACUUM DISC FILTER, Chemical Engineering Transactions, 17, 1431-1436. More Citation Formats APA IEEE Vancouver Harvard (CET) Elsevier
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Flotation is one of the most essential and versatile methods in the iron ore concentration process. As the final product of the flotation process, the Fe content of the iron ore concentrate slurry is an important parameter that has a significant impact on pricing, moreover, online diagnostics of the iron content are important for real-time …
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Hakkinen A., Ekberg B., 2009, DEWATERING OF IRON ORE SLURRY BY A CERAMIC VACUUM DISC FILTER, Chemical Engineering Transactions, 17, 1431 …
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The dewatering of iron ore concentrates requires large capacity in addition to producing a cake with low moisture content. ... acid regeneration. Although it is commonly acknowledged that the filter medium is affected by slurry particles and extraneous compounds, published research, especially in the field of dewatering of mineral …
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This document summarizes an experimental study that tested the effects of process variables on the performance of a ceramic vacuum disc filter used to dewater iron ore slurry. The study used a laboratory-scale test to evaluate how temperature, solid concentration, pressure difference, cycle time, and slurry level affected filter capacity …
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The viscosity of different tailings varies. Thickened tailings and paste have a high viscosity, whereas iron ore tailings for example are usually more dilute. Lachlan says that, generally, the lower the viscosity of the slurry, the higher the physical wear in a pipeline.
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High quality Iron Ore Slurry Rotary Disc Filter, Vacuum Filtration System Energy Saving from China, China's leading Disk Vacuum Filter product market, With strict quality control Disk Vacuum Filter factories, Producing high quality Iron Ore Slurry Rotary Disc Filter, Vacuum Filtration System Energy Saving products.
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Moreover, the studies of Salmimies et al. [1] and Smith et al. [2] have shown that ceramic filter media, which are used in iron ore processes, can be successfully regenerated by acidic dissolution ...
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Iron ore tailings. The used slurry sample in this investigation was obtained from Shahrak plant in Bijar, Iran. The sample for the experiments was prepared by decanting excessive process water from the slurry to increase the solid percentage to approximately 45% w/w. ... Dewatering of iron ore slurry by a ceramic vacuum disc …
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First, the "Collector" is added to the iron ore slurry for selectively coat the iron oxide particles, makes the surface hydrophobic. The slurry then goes to a flotation cell, where air bubbles is generated using an impeller and aerator. At this step, the "Frother" process (for example, fuel oil) is added to the ore slurry to form stable ...
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The present work investigates the effects of solids content, pH, slurry temperature, and coagulant and surfactant dosage on ceramic filtration performance of iron ore slurries.
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sought. The purpose of this study was to investigate the effectiveness of ceramic filtration for iron-ore dewatering. Ceramic filtration is a technology best suited to dewatering …
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Globally, mining operators focus increasingly on tailings filtration to recover process water and store tailings more safely. Generally, required water contents below 20-w% are reached by using filter presses. To maintain high efficiency, complete cake detachment is needed because incomplete discharge reduces plant performance. …
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It is defined as process of removing water from the slurry of iron ore. It is understood that the ... Table 1: % of Moisture in Vacuum & Ceramic Filters. International Innovative Journal of ...
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Ceramic vacuum disc filters are used widely for dewatering iron ore slurries in mining industry. The scale of iron production processes is typically very large which …
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The present work investigates the effects of solids content, pH, slurry temperature, and coagulant and surfactant dosage on ceramic filtration performance of …
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the technology to the iron-ore industry is relatively recent. Ceramic filter discs are vacuum-disc filters that comprise sintered alumina sector plates with uniform micro-pores. The micro-pores create suction through capillary action and, once wetted, the filter medium allows only liquid to pass through during the filtering process.
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On-stream analysis of the element content in ore slurry plays an important role in the control of the mineral flotation process. Therefore, our laboratory developed a LIBS-based slurry analyzer named LIBSlurry, which can monitor the iron content in slurries in real time. However, achieving high-precision quantitative analysis results of the slurries is …
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Fine iron ore tailings slurry is commonly deposited in tailings storage facilities across the Pilbara region of Western Australia. Many of these mines process ore from a combination of deposits such as Bedded Iron Deposits (BID), Channel Iron Deposits (CID) and Detrital Iron Deposits (DID), mixing the feed to obtain the product under contract.
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The pipeline system is designed to transport 26.6 million tones per year of iron ore concentrate for 20 years operation, running 365 days a year, 24 hours a day with 95% overall efficiency. The pipeline is designed to transport iron ore slurry for the conditions shown in Table 1. Table 1 – Operating Condition
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They stated heating the iron ore slurry also increased the temperature of the green pellet entering the furnace from 30°C to 50°C, reducing the moisture content by a further one ... the tank to the vacuum disc filters. The slurry heating system needed to be installed either in one of the . existing slurry storage tanks, or in a separate ...
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Dewatering of iron ore slurry by a ceramic vacuum disc filter. Dewatering of iron ore slurry by a ceramic vacuum disc filter Antti Häkkinen1, Bjarne Ekberg2 1 Department of Chemical Technology, Lappeenranta University … » Free online chat! Modern dewatering technologies demanded for fine iron ore …. Vacuum belt filters like RB-SV should be …
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Similar studies on iron ore have not been found by the authors. In the dewatering of iron ore, the filter mediu m is treated with backwash after each filtration cycle. In addit ion, chemical regeneration with ultrasound-assisted oxalic acid washing is employed. The needed frequency for the chemical regeneration depends on the application.
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Ceramic filtration was found to be suitable for final dewatering of iron ore concentrate. • Optimum filtration was found with the use of flocculent and at pH of 7. • Nitric and hydrochloric acid are recommended for filter cleaning. • The unit can consistently filter 2240 kg/m 2 hr of slurry and produce a cake containing 8% moisture.
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The process of treating iron ore tailings with a Vacuum Belt Filter Press. The working process is divided into three steps: distributing materials, filtering and washing. 1) Distribute material: After the ore slurry is prepared in the high-level stirring tank, it flows into the distributor of the belt filter by gravity.
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