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Nickel ore when the moisture content is above the TML the Transportable Moisture Limit the cargo can liquefy with catastrophic results The liquefaction of a nickel ore cargo is not like free surface effect of a liquid but is when due to vibration and movement a solid now acts like a liquid it is a dynamic shift The effects of liquefaction
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In addition the International Group circular on the Safe Carriage of Nickel Ore Cargoes should be read and followed Club correspondents Pandiman Manila have advised that nickel ore from Surigao and Dinagat has a particularly high clay content Samples may appear to be satisfactory when subjected to a can test but may prove to be unsafe
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laterite ore type Nickel laterite ores can be hygroscopic with high moisture contents moisture is therefore corrected for routinely and all results are reported on a dry basis 105ºc Nickel Laterite Ore XRF Package Element Range % Element Range % Element Range % Ni Fe 2 O 3 P 2 O 5 Co K 2 O SiO 2
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Nickel Ore Cargo Philippines 2024 Page 2 Report on nickel ore cargoes Philippines 2024 Nickel Ore Cargo from the Philippines The potential danger from a cargo of nickel ore liquefying can not be stressed enough tragically high lighted by the unnecessary loss of life onboard three vessels which sankin late 2024 two in late 2024 and one early 2024 Strict adherence to good industry practice
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The following are clear warning signs When a can test shows a pancake appearance with glossy surface or free water When a sample of cargo in the hand can be molded like modeling clay and retains a compressed shape When cargo splatter is observed in the cargo holds Explore more in the following PDF Tags American Club nickel ore safe
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moisture content wet mass basis at which a flow state develops under prescribed methods of testing ü Transportable moisture limit TML maximum moisture content of the cargo which is considered safe for carriage P AGE 15 Liquefying Cargoes IMSBC Code Terminologies cont Moisture content 1 Code of Safe Practice for Solid
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This is the maximum moisture level at which it is safe to ship the material if the cargo is found to have a higher moisture content than the TML it is strongly recommended that the cargo not be
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nickel ore like iron ore fines and many concentrates is a cargo which may liquefy if the moisture content of the cargo exceeds the Transportable Moisture Limit TML when loaded Liquefaction of such a cargo can result in loss of stability which in turn can lead to a vessel capsizing It is there fore very possible that all three vessels were lost as a result of cargo liquefaction There
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Lateritic nickel ore develops by long lasting weathering of the parent rock and particularly occurs in tropical areas with a repetition of wet and dry seasons The majority of the world s nickel resources are contained in these laterites and account for a large proportion of the world s nickel production The main areas in the world with the largest nickel laterite sources are New
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Moisture content MC Is calculated as a percentage of the total mass weight based on the dry weight of soil Flow Moisture Point FMP Is the inherent moisture content % in a material at which a flow state develops Transportable Moisture Limit TML Of a cargo is determined as 90% of the Flow Moisture Point
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2024 7 20 moisture content is often sufficiently uniform but in unprocessed ores such as iron ore fines and nickel ore the moisture content can vary significantly throughout the consignment and thus separate hold by hold moisture declaration is required In actual shipping practice few if any shippers do declare a hold wise moisture More
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The moisture is low 2 4% during summer and winter 4 8% This is yielding better than Philippines iron ore which as approx 35% moisture content Liquefaction of GARD as iron ore fines and nickel ore the moisture content can vary significantly throughout the consignment and moisture content Unprocessed ores Iron ore fines
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how to dry nickel ore high moisture content nickel How To Dry Nickel Ore High Moisture Content Nickel Abstract In this study the effects of acidore ratio 0106 g H 2 SO 4 g dry ore leaching temperature C and leaching time 30120 minutes on the high pressure sulphuric acid leaching of a lateritic nickel ore sample having 137 Ni 0076 Co and 4772 Fe 2 O 3 were Know More Carrying solid bulk
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Nickel ore may appear dry and pass can tests even if the moisture content is too high for safe transport and it is recommended to engage an independent surveyor to assist the Master If there is any doubt as to the safety of any cargo being loaded Members should contact Gard for advice Most read Insight articles Load lines International Safety Management Code ISM Code Tightness of hatch
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Reducing Moisture Content Know More Feb 07 2024 0183 32 If iron ore has limonite / goethite content it is not possible to reduce moisture to 8 with vacuum filters A pressure filter may reduce the moisture to 9 And this moisture content may be enough for forming green balls as dry additives will be blended in A drum dryer may be necessary to reduce moisture to 8 from
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High iron content is a problem for acid leaching processes in general Magnesia and To remove remaining free moisture of the blended ore To remove crystalline water LOI of the blended ore To pre heat the charge to >700 C To partially reduce Ni Co and Fe oxides to metallics To blend the feed prior to smelting To blend Carbon with the feed in controlled proportion to control the
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How To Dry Nickel Ore High Moisture Content Nickel Nickel Metal It s Properties History Production Uses Know More Jul 28 2024 0183 32 Lateritic ores also have a high moisture content 35 40 that requires drying in a rotary kiln furnace It produces nickel oxide which is then reduced using electric furnaces at temperatures between 2480 2930 F 176 1360 1610 C 176 and volatilized to produce
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Carriage of nickel ore Know More Oct 30 2024 0183 32 Nickel ore may appear dry and pass can tests even if the moisture content is too high for safe transport and it is recommended to engage an independent surveyor to assist the Master If there is any doubt as to the safety of any cargo being loaded Members should contact Gard for
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Feb 07 2024 0183 32 If iron ore has limonite / goethite content it is not possible to reduce moisture to 8 with vacuum filters A pressure filter may reduce the moisture to 9 And this moisture content may be enough for forming green balls as dry additives will be blended in A drum dryer may be necessary to reduce moisture to 8 from
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How To Dry Nickel Ore High Moisture Content Nickel apr 02 2024 nickel ore a liquefaction risk skuld 21/6/2024 one reason being that clay an essential element of nickel ore holds considerable moisture and naturally absorbs water with the continuous vibration of a vessel during sea passage cargoes that contain high moisture content and tml become unstable which may lead to a change in the
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complex The nickel concentrate is dewatered and filtered using batteries of rotary disc filters to produce a fine concentrate with moisture between 8% and 10% moisture This concentrate is then balled and roasted to produce an enriched nickel matte The nickel matte is then sent to the refinery to produce a high‐purity nickel product
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how to dry nickel ore high moisture content nickel How To Dry Nickel Ore High Moisture Content Nickel Abstract In this study the effects of acidore ratio 0106 g H 2 SO 4 g dry ore leaching temperature C and leaching time 30120 minutes on the high pressure sulphuric acid leaching of a lateritic nickel ore sample having 137 Ni 0076 Co and 4772 Fe 2 O 3 were investigatedGuidelines for the
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seafarers loss their lives Their cargoes were nickel ore the ships were sailing from Indonesia to China [13] The cause of the sinking has not yet been definitively known but nickel ore is known to suffer the risk of liquefaction if the moisture content of the cargo exceeds the transportable moisture limit TML when loaded It is very possible
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moisture content is often sufficiently uniform but in unprocessed ores such as iron ore fines and nickel ore the moisture content can vary significantly throughout the consignment and thus separate hold by hold moisture declaration is required In actual shipping practice few if any shippers do declare a hold wise moisture
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Bulk cargoes prone to liquefaction like nickel ore frequently cause problems The biggest problem with these cargoes is caused by high moisture content Although guidelines suggest that moisture levels be checked before loading it is often difficult to be sure of these measurements and that they are indeed below the Transportaple Moisture
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The nickel ore contains sufficient water content to The deadliest cargo high moisture content are prone to sliding Liquefaction of unprocessed mineral ores but in unprocessed ores such as iron ore fines and nickel ore the moisture content can vary significantly throughout how to dry nickel ore high moisture content nickel 96 Total 10 Votes Comments Give e mail to us Products /
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Philippines nickel ore contains a large amount of moisture the drying process is important and necessary A rotary dryer is typically used to remove free moisture from the crushed nickel ore and once nickel ore has been dried it is processed in a rotary kiln to remove chemically bound moisture and the oxide component of the ore This process
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The cause of the sinkings has not yet been definitively determined but nickel ore like iron ore fines and many concentrates is a cargo which may liquefy if the moisture content of the cargo exceeds the Transportable Moisture Limit TML when loaded Liquefaction of such a cargo can result in loss of stability which in turn can lead to a vessel capsizing It is therefore very possible that
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See Details Features Ore Nickel Ore of Indonesia Origin Name Laterite Nickel Ore DMT Dry Metric Ton of Ore Quick Brief Place of Origin Sulawesi Tenggara Indonesia Brand Name Nickel Ore of Indonesia Origin Now ready stock MT Shape Mine Moisture % 32% basis 35% max Ni Min % basis % rejection
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