• CHAPTER 7 DRYING

    CHAPTER 7 DRYING Drying is one of the oldest methods of preserving food. Primitive societies practised the drying of meat and fish in the sun long before recorded history. Today the drying of foods is still important as a method of preservation. Dried

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  • CDry | Allgaier Process Technology

    CDry. The CDry is an indirectly heated contact dryer. The solids are dried by heat conduction from a steam-heated disc to the liquid product applied to the disc. The advantage over other contact dryers lies in particular in the significantly higher heat transfer surface with simultaneous small space requirement.

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  • KENNECOTT-OUTOTEC DOUBLE FLASH TECHNOLOGY AFTER …

    Outotec Flash Converting to process over 1 million tonnes of copper concentrate per year, while achieving the lowest emission rate of any copper Smelter (1.76 kg SO 2/tonnes Cu in …

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  • BACKGROUND REPORT PRIMARY COPPER SMELTING Prepared …

    Flash furnace smelting consists of blowing fine, dried copper sulfide concentrates and silica flux with air, oxygen-enriched air, or oxygen blast into a hearth-type furnace maintained at approximately 1200 EC (2200 EF). Entry of these materials into the hot furnace

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  • US20100107820A1

    The copper concentrate was previously dried in a gas suspension or fluid bed dryer by contact with nitrogen gas that was a byproduct from the oxygen plants utilized to support the smelter. US20100107820A1 - Method for drying copper sulfide concentrates ...

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  • Rotary Dryers Meet Demand for Drying Copper Concentrates

    Copper producers gain several cost-saving advantages by employing a dryer for copper concentrates prior to the smelter. By the time they are ready to be smelted, copper concentrates typically contain anywhere between 6-14% …

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  • Method for drying copper sulfide concentrates

    Dried copper concentrate is introduced to a smelter/converter that utilizes oxygen enrichment in the smelter/convert process. The copper concentrate was previously dried in a gas suspension or fluid bed dryer by contact with nitrogen gas that was a byproduct from ...

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  • The Most Complete Free Material Safety Data Sheet (MSDS) list of chemical information on the Internet …

    Looking for MSDS information regarding the chemicals in a commercial product or a material safety data sheet (MSDS)? Here is THE most complete MSDS list on the Internet, and it''s free! By federal law, manufacturers must supply this info in an MSDS which we

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  • Integrated Pollution Prevention and Control (IPPC) Reference …

    Flash dryer Cu and some others Concentrates Rotary Kiln Most metals for drying. Fuming ZnO. Calcining alumina, Ni and ferro alloys. Burning of photographic film for precious metal production. De-oiling Cu and Al scrap ...

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  • Marja Riekkola-Vanhanen

    copper metal from secondary sulphide minerals, e.g. chalcocite (Cu 2 S) and mine waste dumps. A third major source of copper is recycled copper. Secondary raw materials account for about 40 % of the use of copper and its alloys in Europe and world-wide.

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  • Environmental, economic and technological factors affecting Chilean copper …

     · Chilean smelters produce 1.4 million tonnes of copper anodes annually, which corresponds to 36% of the domestic flotation concentrate, while the remainder is processed in foreign plants (64%) [].There are currently seven copper smelters in Chile: Chuquicamata ...

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  • ANODES

    MERAKLON BAGS FOR PHOSPHOROUS COPPER ANODE FOR COPPER BATH PER PCS. Read more View details. MMO ANODE. Read more View details. PHOSPHOROUS COPPER ANODE FOR TWO TONE. Read more View details. PLATINUM TITANIUM ANODE. Read more View details. R.E.M. CARTRIDGE OR SPONGE.

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  • The Copper Flash CC Smelting Process | Total Materia Blog

    The production of copper in the flash smelting process is accompanied with a large amount of copper-rich slag, which has to be treated with the aim of copper recovery. Copper flash smelting consists of blowing fine, dried copper sulphide concentrate and silica flux with air, oxygen-enriched air or oxygen blast into a hot (≈1500K) hearth-type furnace, (see Figure 1).

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  • MGT Drum Dryer – Zonelion Taeda Rotary Dryer Manufacturer

    MGT Drum Dryer. 【Capacity】: 0.5-120t/h. 【Power】: 2.9-104.9Kw. 【Heat source】: Coal, diesel, natural gas, wood, LPG and other items with certain calorific value. 【Application material】: Suitable for mineral materials, metal materials, chemical materials, wood, and various weak-viscous carbon ba sed/silicon ba sed materials.

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  • SOLUTIONS: HOMEWORK #6

    AREN 2110 SOLUTIONS FALL 2006 HOMEWORK ASSIGNMENTS 6, 7 and 8 & 5-61 Air is accelerated in a nozzle from 30 m/s to 180 m/s.The mass flow rate, the exit temperature, and the exit area of the nozzle are to be determined. Assumptions 1 This is a steady-flow process since there is no change with time. ...

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  • Dead roast-oxide flash reduction process for copper concentrates …

    This invention relates to the recovery of copper from copper and/or copper-iron sulfide concentrates. BACKGROUND OF THE INVENTION Conventional processes for recovering copper from copper and/or copper-iron sulfide concentrates involve melting them along with slag-forming ingredients in a reverberatory or flash smelting furnace to produce a copper-iron …

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  • Products List

    The complete As Seen On TV products list. All items shown are in stock and ready to ship. As Seen On TV Products As Seen On TV''s everyday products make life easier.

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  • Solutions-Mineral powder steam rotary drying|Tianli Energy

     · Summary: 1~2 million tons/year mineral powder drying system adopts advanced loop steam rotary dryer, suitable for copper fine powder, tungsten concentrate, ilmenite, molybdenum fine powder, nickel fine powder, lead-zinc ore, pyritic ore, high-titanium slag, s ilica sand, gold slag and other abrasive materials, with characteristics of stable system operation, …

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  • Copper Dryer Suppliers, all Quality Copper Dryer Suppliers on …

    Copper Dryer, Copper Dryer Suppliers Directory - Find variety Copper Dryer Suppliers, Manufacturers, Companies from around the World at copper scrap,freezer dryer,freeze dryer, Dehumidifier Mining Machinery (Crusher,Ball Mill,Rotary Dryer,Rotary Kiln,Flotation Machine,Magnetic Separator,Ore Beneficiation Line,Sand Making Equipment,LECA …

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  • Flash Dryers – DryTech International

    Flash dryers are highly flexible in terms of layout and configuration and can be designed to suit the available space in an existing plant. Suitable for filter cake drying. Materials of construction can range from painted mild steel, through to various grades of stainless steel to special alloys depending on the processing environments and conditions.

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  • CiteSeerX — The Beneficial Effects of Feeding Dry Copper Concentrate to Smelting Furnaces and Development of the Dryers

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract – By placing additional demands on energy and gas flow, the moisture content of a copper concentrate has an adverse effect on the smelting process. Different drying ...

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  • Rotary Dryers

    Rotary dryers are known as the workhorse of industrial dryers. They are able to process a wide variety of materials, and can lend a hand in nearly any industry requiring industrial drying solutions. Some of the most common industries and materials in which rotary dryers are employed include: Aggregates. Agricultural By-Products.

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  • Process description and optimization of the flash dryers at …

    The concentrate is dried in two flash dryers, and smelted in a single 168 MVA furnace. A PGM-rich nickel-copper matte is cast, crushed and transported to Rustenburg for

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  • Mineral Drying

    Rotary dryers have proven to be ideal in mineral drying, meeting the demanding processing conditions required by the industry. FEECO Potash dryer Testing for Mineral Dryer Design The variation in mineral types and characteristics often merits a mineral dryer testing program to assess how the material will respond to drying and subsequently, how the dryer must be …

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  • Multivariable Control Application for the Flash Furnace at …

     · 2. METHODOLOGY 2.1 Flash Furnace Application The advanced controller is based upon a model for multivariable optimal control in conjunction with a set of programmed rules. The application has been built on a dedicated Connoisseur (Invensys, 2005) software framework, which optimises a weighted criterion function.

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  • Toyo Smelter & Refinery | About Us | Sumitomo Metal Mining Co., Ltd.

    Concentrate Dryer Since copper concentrate contains about 8% water, it is dehydrated using a dryer. For dehydrating copper concentrate, not only heavy oil but also heat of steam collected in the plant are used, which help to save energy.

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  • The smelting operations of Anglo American''s platinum business: …

    flash dryer at Mortimer will be upgraded to supply ~50 t/h of dry concentrate. The upgrade will include installation of a new hot-gas generator, refurbishment of the baghouse, and additional dry-concentrate storage capacity. Upgrade of the slag-granulation circuit

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  • The Copper Flash CC Smelting Process :: Total Materia Article

    The production of copper in the flash smelting process is accompanied with a large amount of copper-rich slag, which has to be treated with the aim of copper recovery. Copper flash smelting consists of blowing fine, dried copper sulphide concentrate and silica flux with air, oxygen-enriched air or oxygen blast into a hot (≈1500K) hearth-type furnace, (see Figure 1).

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  • Options for Concentrate Drying Technologies when Designing a …

    There are several drying technologies available for drying copper concentrate, varying from direct heated rotary dryers and flash dryers to indirect heated steam dryers. Application of steam dryers has changed the drying process for copper smelters. Produced from a waste heat boiler, steam as heating medium enables plant-wide heat utilisation.

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  • (PDF) Introduction to chemical engineering | Noemi Morales

    Academia is a platform for academics to share research papers. Enter the email address you signed up with and we''ll email you a reset link.

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  • ,Pneumatic drying,,,,,

    This paper introduces the copper concentrate drying technology in Flash Smelting processes,and compares characteristic and application status between the flash dryer and steam dryer,the result makes know that the steam dryer has evident advantage in terms

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  • ESP (Electrostatic Precipitator) – Clair

    ESP in Copper Smelting: A typical pyrometallurgical copper smelting process, includes 4 steps: roasting, smelting, concentrating, and fire refining. Smelting of roasted (Calcine feed) or unroasted (Green feed) ore concentrate produces matte, a molten mixture of copper sulfide (Cu2S), iron sulfide (FeS), and some heavy metals.

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  • 4-09-98 FACT SHEET PROPOSED AIR TOXICS REGULATION FOR PRIMARY COPPER …

    C Copper Concentrate Dryers The off-gases exhausted from existing copper concentrate dryers must be controlled with a particulate matter (PM) control device that emits no more than 50 milligrams per dscm (0.022 gr/dscf) PM. New copper concentrate dryers

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  • The Beneficial Effects of Feeding Dry Copper Concentrate to …

    Step : (i) the copper with high content of moisture (wet feed) is put into the rotary dryer then let it dry for several hour. (ii) when it approaches desired moisture content, it is removed. (iii) then it repeat the step with flash dryer and steam dryer respectively. (iv) observe the energy used and off-gas flow from the process using different ...

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  • BACKGROUND REPORT PRIMARY COPPER SMELTING Prepared …

    BACKGROUND REPORT AP-42 SECTION 12.3 PRIMARY COPPER SMELTING Prepared for U.S. Environmental Protection Agency OAQPS/TSD/EIB Research Triangle Park, NC 27711 II-103 Pacific Environmental Services, Inc. 5001 South Miami Boulevard, Suite

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  • Flash smelting (Davenport et al., 2001) | Request PDF

    Request PDF | Flash smelting (Davenport et al., 2001) | Flash smelting accounts for around half of all Cu matte smelting. It entails blowing oxygen, air, concentrate, flux, and recycle materials ...

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  • Steam Dryer – Kumera – Creating Efficiency | Kumera Corporation

    Kumera Steam Dryer is a patented solution for drying copper concentrates and other abrasive materials. The construction has unique features, which allow high availability and consume less energy. Through Kumera Steam Dryer, a copper smelter can reduce the harmful emissions such as CO2, SO2, NOx and dust. Therefore, Kumera Steam Dryer is the ...

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  • (PDF) MECHANICAL ENGINEERING REVIEW MANUAL | Yuri G …

    Academia is a platform for academics to share research papers. Enter the email address you signed up with and we''ll email you a reset link.

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