+86 0371 8654 9132

hazards of drying sulphide copper concentrates

Copper Sulphide Concentrate Drying - Thickening, Filtering ...

2021-7-27 · We produce a sulphide copper concentrate at moistures ranging from 11-13% on average but require a moisture of no more than 10.6% for shipment (and of course would like to achieve even lower moistures in order to save on shipping costs). At present, we spread out our product stockpiles in

Read More
HIGHLAND VALLEY COPPER CONCENTRATE SAFETY

2020-6-11 · Fire and Explosion Hazards: Copper concentrate is not considered a fire or explosion hazard. However, it may burn if heated strongly enough and for sufficient time in a fire situation. When burning, it releases toxic and highly irritating sulphur dioxide gas (SO 2). Contact with strong acids may also generate flammable and highly toxic hydrogen sulphide gas (H

Read More
Shipment of Metal Sulphide Concentrates UN 3077 - Skuld

2013-11-12 · zinc sulphide concentrate; copper sluphide concentrate; lead sulphide concentrate; nickel sulphie concentrate; Some of these cargoes may also fall under Category A or B of the IMSBC, and reference is made to the applicable part of that Code for issues in relation to risks of liquefaction and / or chemical hazards. Where and how is such cargo produced

Read More
The Shipping Regulations For Copper Concentrates

The chemical hazards of Boddington Copper Concentrate are: (a) the self-heating risk (MHB (SH)). Boddington Copper Concentrate meets the criteria for inclusion in Hazard Class 4.2 (Substances liable to spontaneous combustion and self-heating, UN 3190). The cargo shall be accepted for loading only if the cargo temperature does not exceed 55ºC.

Read More
Hazard Assessment of Ores and Concentrates - ScienceDirect

2018-1-1 · The TD results from testing of 12 representative copper concentrates with varying mineral composition [2%–80% chalcopyrite (CP); below detection limit (BDL) to 9.7% covellite (CV); BDL to 42.1% bornite (BN); BDL to 0.66% enargite (EN); BDL to 1.5% tennantite (TN); and BDL to 8.61% chalcocite (CC)] and elemental composition also resulted in a wide range of results: 0.5% and 7.5% copper

Read More
Handling guide for copper concentrate in bulk

2019-1-25 · Relevant physical properties including moisture content must be checked prior to loading. Case have occurred where very considerable damage was caused to cereal and to coffee cargoes stowed in the same compartment as a parcel of copper concentrates, which, it was alleged, generate great heat causing discolouration, sweat and fume (taint) damage.

Read More
Ores and Concentrates - Arche

2017-8-10 · Ores and Concentrates An industry approach to EU Hazard Classification 1 The extraction and processing of mineral ores to create concentrates is the primary step in the life cycle of minerals and metals, and management of the chemical hazards and risks posed is an important part of an integrated approach to chemicals management in our sector.

Read More
Hazard assessment of ores and concentrates for marine ...

2019-2-8 · hazards of the material transported. Assessment of these hazards is based on the UN Globally Harmonized System of Classification and Labelling of Chemicals (GHS). This document has been written with the specific case of ores and ore concentrates (hereafter termed O&Cs) in mind. These products of mining are solid materials that are often

Read More
Metals & Minerals Legal Brief - Commoditylaw

2021-1-27 · listing “Metal Sulphide Concentrates, Self-Heating UN 3190” as a permitted cargo and a Cargo Manifest and a Stowage Plan setting forth the location of copper concentrate on board. (c) the corrosion risk (MHB(CR)). 4. Mineral Concentrates Copper concentrates described as “Mineral Concentrates” are categorised as Group A cargoes

Read More
Ores and Concentrates - Arche

2017-8-10 · Ores and Concentrates An industry approach to EU Hazard Classification 1 The extraction and processing of mineral ores to create concentrates is the primary step in the life cycle of minerals and metals, and management of the chemical hazards and risks posed is an important part of an integrated approach to chemicals management in our sector.

Read More
Potential for bioleaching copper sulphide rougher ...

2012-12-13 · Drying Feed Cooling. Potential for bioleaching copper sulphide rougher concentrates of Nchanga Mine 100 ml of bacterial culture per 900 ml solution. When the pH was higher than the set value it was adjusted to this value by acid addition. If the pH was lower than required, a freely

Read More
Metals & Minerals Legal Brief - Commoditylaw

2021-1-27 · listing “Metal Sulphide Concentrates, Self-Heating UN 3190” as a permitted cargo and a Cargo Manifest and a Stowage Plan setting forth the location of copper concentrate on board. (c) the corrosion risk (MHB(CR)). 4. Mineral Concentrates Copper concentrates described as “Mineral Concentrates” are categorised as Group A cargoes

Read More
THE CARRIAGE OF METAL SULPHIDE CONCENTRATES IN BULK

THE CARRIAGE OF METAL SULPHIDE CONCENTRATES IN BULK. The dangers of spontaneous heating and of corrosion are described. The reduction of oxygen in holds and the emission of poisonous gases due to chemical processes taking place spontaneously in the cargo is discussed, and the Author emphasises the need for crew to wear breathing apparatus when entering holds or bulk cargo

Read More
Copper losses to slags obtained from the El Teniente

2009-8-26 · 383 000 tons of copper annually, is presented in Figure 1. Basically, the current process involves four main stages to transform copper sulphide concentrate into blister copper, as follows: • Wet concentrate drying down to 0.2 wt.% moisture • Smelting bone

Read More
Handling guide for copper concentrate in bulk

2019-1-25 · Handling guide for copper concentrate in bulk Although copper occurs naturally in a pure state, it’s primarily mined from the minerals chalcopyrite, bornite, and malachite. Copper ore is extracted form the earth, then converted into copper concentrate, which is then roasted, smelted and converted into refined copper.

Read More
(PDF) Evaluation and control of self-heating in sulphide ...

Sulphide concentrates may exhibit self-heating to various degrees during storage or shipping, the worst cases presenting a serious hazard from fire and SO (2) emission. Based on measurements of ...

Read More
Copper Concentrates - Cargo Handbook - the world's largest ...

2021-8-6 · Copper concentrates are then submitted to a final filtration and drying process to decrease the humidity to 8-9%. Production Process Mainly copper goes through different stages and degrees of refinement, to a lesser extent the byproducts such as molybdenum, sulfuric acid and precious metals that come with copper

Read More
How to Remove Mercury from Copper Concentrate

2019-4-7 · Copper smelters, at that time, preferred sulphide concentrates. The particular smelter to which most of the concentrates were to be sold used the Momoda method of feeding its blast furnace. The Momoda method requires that the concentrates, when

Read More
Potential for bioleaching copper sulphide rougher ...

2012-12-13 · Drying Feed Cooling. Potential for bioleaching copper sulphide rougher concentrates of Nchanga Mine 100 ml of bacterial culture per 900 ml solution. When the pH was higher than the set value it was adjusted to this value by acid addition. If the pH was lower than required, a freely

Read More
Metals & Minerals Legal Brief - Commoditylaw

2021-1-27 · listing “Metal Sulphide Concentrates, Self-Heating UN 3190” as a permitted cargo and a Cargo Manifest and a Stowage Plan setting forth the location of copper concentrate on board. (c) the corrosion risk (MHB(CR)). 4. Mineral Concentrates Copper concentrates described as “Mineral Concentrates” are categorised as Group A cargoes

Read More
THE OBTAINED OF CONCENTRATES CONTAINING

2015-2-3 · nology Inco and Outokumpu with copper content over 0,5 % by weight are commonly processed by this meth-od. After slow cooling and size reduction these are sub-jected to a flotation process with the use of flotation reagents, which are traditionally used for producing copper concentrates from sulphide ores [4, 5]. TEST RESULTS

Read More
Copper losses to slags obtained from the El Teniente

2009-8-26 · 383 000 tons of copper annually, is presented in Figure 1. Basically, the current process involves four main stages to transform copper sulphide concentrate into blister copper, as follows: • Wet concentrate drying down to 0.2 wt.% moisture • Smelting bone

Read More
DC ARC SMELTING OFDEAD-ROASTEDSULPIDDE

2012-6-26 · (platinwn group metal) sulphide concentrates. The ConRoastprocess is based onthe removal of sulphur by roasting, followed by smelting ofthe dead-roastedconcentrate in a DC arc furnace using an iron-based alloy as a collector for nickel, copper, cobalt, and PGMs. The

Read More
METAL SULPHIDE CONCENTRATES, CORROSIVE UN 1759

2021-2-11 · METAL SULPHIDE CONCENTRATES, CORROSIVE UN 1759 (see also Mineral Concentrates schedule) This schedule shall only apply to cargoes that would fall under Packing Group (PG) III as specified in the IMDG Code if they were carried in a packaged form.

Read More
Energy Consumption in Copper Sulphide Smel ting

2018-5-7 · energy required to produce main process supplies, thus pioneering copper life cycle assessment. Since the publication of this classic study, the practice of anode copper production from sulphide concentrates has experienced many changes. The reverb furnace, that was the dominant copper

Read More
How to Remove Mercury from Copper Concentrate

2019-4-7 · Copper smelters, at that time, preferred sulphide concentrates. The particular smelter to which most of the concentrates were to be sold used the Momoda method of feeding its blast furnace. The Momoda method requires that the concentrates, when

Read More
Shipment of Metal Sulphide Concentrates UN 3077

The term "Metal Sulphide Concentrates" ("MSC") is a general description casting an umbrella over a number of concentrates such as iron, lead, lithium, zinc, copper, aluminium, nickel, magnesium, etc. Please see the link that provides maps over different mine locations.

Read More