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The separation or concentration process produce two streams of slurry: one is the slurry of the copper concentrate, zinc concentrate, iron ore concentrate, lead concentrate, fine coal or gold etc. The slurry of concentrate ores goes through thickening and then filtering and dewatering process before finally landing at the metallurgical plant.
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 invention provides a reverse cleaning system and a reverse cleaning method which are applicable to reverse cleaning of a ceramic filter in a concentrated iron ore slurry dehydration process. The reverse cleaning system comprises a filtrate pool, a sewage treatment unit, a pipeline switching unit and a cleaning pump, wherein the filtrate pool is …
Hakkinen A., Ekberg B., 2009, DEWATERING OF IRON ORE SLURRY BY A CERAMIC VACUUM DISC FILTER, Chemical Engineering Transactions, 17, 1431 …
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 …
The natural pH of iron ore slurry was found to be 6. Lab studies were carried out with cationic, anionic and non-ionic surfactants. Each sample was treated with water and the moisture percent was calculated as stated earlier. ... Hakkinen A., Ekberg B., Dewatering of Iron Ore Slurry by a Ceramic Vacuum Disc Filter. Google Scholar [6] N. …
In this research, a capillary ceramic membrane was used as the substrate for surface attached cultivation of microalgae. A photobioreactor was constructed and tested for cultivation of Chlorella vulgaris adhered to this substrate. Optimum biomass productivity of 4.65 ± 0.42 g/m 2 /d was obtained during 8 days of cultivation by using the light intensity …
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In iron ore dewatering, the regeneration of the filter medium is done through a combination of several techniques: (1) backwashing, (2) ultrasonic cleaning, and (3) acid …
Iron Ore Slurry Rotary Disc Filter ... - Ceramic Vacuum Filter Iron Ore Slurry Rotary Disc Filter, Vacuum Filtration System 60 M2. The ceramic filter mainly consists of the rotor, distribution head, agitator, scraper, slurry tank, back flushing system, ultrasonic cleaning system, PLC operating system and electric control system.
An interesting practical application is the regeneration ceramic filter media used in iron ore processes by acidic dissolution [6]. Moreover, oxalic acid can be used …
Abstract. 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 …
Dewatering of iron ore slurry by a ceramic vacuum disc filter. … iron oxide pellet cake filter. … Identification and Selection of Plant and Machinery, … PRODUCTS & SERVICES — SLUDGE DEWATERING & PROCESSING …
Dewatering of Iron Ore Slurry by Micron Ceramic Disk Vacuum Disc Filter . The ceramic filter uses the capillary effect of the microporous ceramic filter plate to absorb the external pressure difference by absorbing the vacuum inside the filter plate.
Investigation on the effects of chemical pretreatment on the iron ore. WebSep 20, 2021 The effect of type flocculant on the resistance to filter cloth and the cake density (solid percentage 40%, pressure 0.6 bar, thickness 6.5 mm). ... Dewatering of iron ore slurry by a ceramic vacuum disc filter. Chem. Eng. Trans., 17 (2009), ...
In the dewatering of iron ore, the filter mediu m is treated with backwash after each filtration cycle. ... Surface roughness could have been caused by the filter material itself or by slurry part icles adhered to the surface. ... The introduction of the ceramic filter mediu m to high-tonnage cake filtration has generated a need to understand ...
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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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 Processing Ceramic Filters, process crusher, mining … Dewatering of iron ore slurry by a ceramic vacuum disc filter.…
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.
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 …
Although the technology is already widely applied to base metal concentrates and ferrochrome products, ceramic filtration has only been applied in the iron-ore …
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.
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 …
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. The experiments were conducted both varying one variable at a time and following a response surface approach (Box-Behnken design), being carried out either in …
Design criteria for vacuum ceramic filters vary depending on the type of disc and the filtering capacity required. A standard iron extraction filter typically comprises 12 ceramic filtering plates, or discs, each with a diameter of approximately 2705 mm, providing a total filtering surface of 120 m2.
