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    Iron OreIron used in steelmaking is the mainstay metal for the

    infrastructure of modern civilization, from ships to bridges,

    railways, skyscrapers, cars, trucks, trains, engines, and

    machines of all kinds, down to everyday pins and paperclips.

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    Train loaded with iron ore from Robe RiversMesa J mine travels to the Cape Lambert

    port facilities, Australia.

    A stock pile of iron ore which has been graded

    by lump size, awaits haulage to the loadingfacility on the nearby Paraguay River, atCorumb, Brazil.

    1 Iron Ore

    Rio Tinto Iron Ore

    Rio Tinto Iron Ore (RTIO) is the largest

    iron ore producer in the Pilbara region of

    Western Australia. It has unrivalled

    operational flexibility with nine mines and

    three ports served by an integrated rail

    system. Between 1999 and 2005 RTIO

    has been transformed by acquisition andexpansion of international assets.

    RTIO is the worlds second largest iron

    ore producer. Its Pilbara Iron assets

    comprise Hamersley Iron, Robe Rover

    Iron Associates and the Hope Downs joint

    venture. Robe River joined the Group in

    2000 with the acquisition of North Ltd. In

    the same transaction Rio Tinto acquired

    the mine, processing and shipping

    facilities of Iron Ore Company of Canada

    in Labrador.

    Driven by unprecedented demand from

    China, RTIO has commissioned new

    mines and expanded production at others.

    Current plans will triple production

    volumes since 1999.

    Driven by

    unprecedented

    demand from

    China, RTIO hascommissioned

    new mines and

    expanded

    production

    at others.

    Pilbara Iron (Brockman 2, Marandoo, Tom Price, Paraburdoo, Yandicoogina,Channar, Eastern Range, Pannawonica-Mesa-J, West Angelas), Australia

    1 4 5

    3

    6

    7

    2

    1

    Iron Ore Company of Canada2

    Corumb, Brazil3

    HIsmelt, Australia4

    Hope Downs joint venture, Australia5

    Simandou, Guinea6

    Orissa, India7

    Front cover: Close up detail of iron ore.

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    Iron ore projects

    Hope Downs, Australia

    (Rio Tinto 50 per cent)

    Orissa, India

    (Rio Tinto 51 per cent)Simandou, Guinea, West Africa

    Iron Ore operations

    Pilbara Iron, Australia

    Brockman 2

    Marandoo

    Tom Price

    Paraburdoo

    YandicooginaEastern Range

    (Rio Tinto 54 per cent)

    Channar

    (Rio Tinto 60 per cent)

    West Angelas

    (Rio Tinto 53 per cent)

    Pannawonica-Mesa J

    (Rio Tinto 53 per cent)

    Dampier Port

    Cape Lambert Port(Rio Tinto 53 per cent)

    Pilbara Rail Company

    Hamersley Iron

    Hamersley Iron is a wholly owned

    subsidiary of Rio Tinto. Hamersleys

    Pilbara assets include seven mines,

    including two mines in joint venture with

    members of the Chinese steel industry,

    630 kilometres of railway and port and

    infrastructure located in Dampier.These

    assets are run as a single operation

    managed and maintained by Pilbara Iron.

    Hamersley retains responsibility for its

    own independent sales and marketing

    function, with sales offices located in

    London, Tokyo, Seoul, Shanghai and

    Beijing. Hamersley markets the

    following iron ore products

    HIP Fines, HIP Lump, HI Yandi

    and HIX. Sales to Chinese steel mills

    account for half of production.

    Stacking iron ore on to blending stockpileat Hamersley Irons Yandicoogina mine,

    Western Australia.

    Aerial view of Hamersley iron mine,

    Western Australia.

    Iron Ore 2

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    Both Hamersley

    Iron and Robe River

    remain independent

    and retain separatemarketing functions.

    Pilbara Iron

    In 2003 Rio Tinto reached agreement

    with its joint venture partners in Robe

    River to allow closer cooperation

    between the Pilbara operations of

    Hamersley and Robe. In 2004 a new

    entity, Pilbara Iron, was formed to enable

    the sharing of rail, port and powerinfrastructure as well as management

    of non-infrastructure assets, including

    mobile and other mining equipment,

    and site and corporate services.

    Coordination was progressively

    implemented during 2004. Together with

    Pilbara Rail Company, the two entities

    manage RTIOs iron ore assets in the

    Pilbara as an optimised and integrated

    operation. Both Hamersley Iron and

    Robe River remain independent andretain separate marketing functions.

    A iron ore train runs along a 630 kilometre

    dedicated railway with a port facility atDampier, Australia.

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    Robe retains

    responsibility for its

    own independent

    sales and marketingfunction.

    Robe River

    (Rio Tinto 53 per cent)

    Robe River Iron Associates (Robe)

    is an unincorporated joint venture in

    which Mitsui (33 per cent), Nippon Steel

    (10.5 per cent) and Sumitomo Metal

    Industries (3.5 per cent) also have

    interests. Robes assets include twomines, 470 kilometres of railway and

    port and infrastructure located at Cape

    Lambert.These assets are run as a

    single operation. Robe operates the two

    mining operations and Robes port and

    infrastructure are managed and

    maintained by Pilbara Iron.

    Robe retains responsibility for its

    own independent sales and marketing

    function, and has a sales office in

    Shanghai. Robe Rivers iron ore productsinclude Robe River Fines, Robe River

    Lump, West Angelas Fines and West

    Angelas Lump. Sales to Japanese steel

    mills account for over 25 per cent, with

    increasing penetration of the

    Chinese market.

    Iron ore bound for Asia,

    Dampier port, Australia.

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    Expanding in the Pilbara

    Pilbara Iron celebrates 40 years in the

    Pilbara in 2006. In 1966, Hamersley Iron

    Pty Limited was established as a joint

    venture between the American company

    Kaiser Steel (40 per cent) and CRA (60

    per cent). Despite the extremely limited

    infrastructure in the remote Pilbara,it took just 19 months to commission

    the initial Mount Tom Price mine

    infrastructure, build a shipping port at

    Dampier, a railway and two towns.

    The first shipment of Hamersley ore left

    the Dampier port in August 1966, with

    52,000 tonnes of ore loaded aboard the

    Huon Maru, for delivery to the Yawata

    Iron and Steel Company in Japan. Within

    two years, Hamersley was mining more

    than nine million tonnes of iron ore fromMount Tom Price each year.

    The company quickly secured contracts

    with Japanese steel mills, as well

    as companies in Britain, Europe,

    and the US.

    For 40 years, Hamersley has extended

    its ore reserves, mining and associated

    operations and international markets far

    beyond the scope of the initial project.

    Now 100 per cent owned by Rio Tinto,

    Hamersley has seven mining

    operations in the Pilbara (two underjoint venture agreements).

    Pilbara Iron has been focused on

    meeting the worlds increasing appetite

    for iron ore over the past few years. In

    December 2003, it announced plans to

    spend US$920 million to expand the

    capacity of its port operations to 116

    million tonnes, increase capacity at its

    Yandicoogina mine to 36 million tonnes

    per annum, acquire additional rail assets

    and undertake further feasibility studies.

    The 42 million tonne increase in capacity

    at the Dampier port will ensure that

    Pilbara Iron has sufficient port capacity

    available to meet steel makers future

    needs for iron ore. In April 2005, Rio

    Tinto committed a further US$290 million

    to expand Hamersley Irons mines which

    is expected to add 15 million tonnes per

    annum to capacity.

    5 Iron Ore

    The Pilbara is a region of Western Australia,

    where Hamersley Iron owns its iron oremines.The Pilbara is well known for its

    beautiful landscape.

    Rio Tinto committed

    a further US$290

    million to expand

    Hamersley Ironsmines which is

    expected to add

    15 million tonnes

    per annum to

    capacity.

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    Red earth is typical of the Pilbara region of

    Western Australia, where the majority ofRio Tinto iron ore operations are based.

    Iron Ore 6

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    A further $245

    million is currently

    being spent on rail

    duplication andimproving power

    capacity and

    reliability.

    Robe River operates two open pit mining

    operations in Western Australia. Mesa J

    is located in the Robe Valley, north of the

    town of Pannawonica. The mine

    produces Robe River fines and lump,

    which are pisolitic iron ore products.

    The West Angelas mine, opened in

    2002, is located approximately 100kilometres west of the town of Newman.

    The mine produces West Angelas fines

    and lump, which are Marra Mamba

    iron ore products.

    Mine production from West Angelas

    reached an annualised rate of 18 million

    tonnes per year in December 2003,

    and reached its original design rate of

    20 million tonnes per year in the first

    quarter of 2004, two years earlier than

    planned. This increased Robesproduction capacity to a nominal 50

    million tonnes per year.

    Expansion work at West Angelas to

    increase capacity to 25 million tonnes

    per annum has been completed at a

    cost of US$105 million. A further $245

    million is currently being spent on rail

    duplication and improving power

    capacity and reliability.

    Iron ore is transported by rail from the

    Hamersley mines to the port of Dampier

    on the north west coast of Australia,

    a distance of about 380 kilometres.

    High tech locomotives with advanced

    on board computers enable one man

    operation of some of the longest and

    heaviest trains in the world. Robe uses

    a dedicated rail system, operated by

    Pilbara Iron, to transport ore from its

    mines to the companys deepwater port

    facilities at Cape Lambert for export.

    Hamersley was originally named after

    the Hamersley mountain ranges, which

    contain exceptionally rich iron formations

    of more than 60 per cent iron content in

    places. The mines use conventional open

    pit mining methods. Material is drilled and

    blasted in benches, loaded into trucks by

    shovels, hydraulic excavators or front endloaders and transported to the primary

    crusher. The ore is processed in a

    crushing and screening plant to produce

    fine ore (-6.3 mm) and lump ore

    (+6.3 mm -31.5 mm).Yandi (HIY) fines

    ore, produced at the Yandicoogina mine,

    is less than 10mm. Low grade ore at Tom

    Price is treated in a concentrator where

    contaminating shale is removed by

    a heavy medium separation process.

    A Pilbara Rail train carrying iron ore

    through the Pilbara region inWestern Australia.

    7 Iron Ore

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    An aerial view of the lake and trees and

    Labrador City. In the foreground is a trainwaiting to be loaded before heading toSept-Iles. In the background is the

    IOC mine.

    Iron Ore 8

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    Iron Ore Company of Canada

    With the acquisition of North Ltd in

    2000, Rio Tinto gained significant iron

    ore and pellet operations in Canada

    operated by the Iron Ore Company of

    Canada (IOC), which has been

    Canadas premier supplier of iron ore

    for five decades. IOC operates a mine,concentrator and iron ore pellet making

    plant at Labrador City in the Canadian

    province of Newfoundland and Labrador,

    as well as a 420 kilometre railway, port

    facilities and a partially refurbished

    pellet plant at Sept-Iles on the Gulf of

    St. Lawrence.The pellet operation

    enhances Rio Tintos product range.

    IOC owns reserves sufficient for more

    than 25 years of operation at current

    levels of production.

    IOC is developing four existing mining

    areas into one super pit, the Luce

    deposit, as the main ore source for the

    next 25 years and beyond. Products

    are transported on IOCs Quebec

    North Shore and Labrador Railway

    to Sept-Iles.

    The port is open all year and handles

    ore carriers of up to 255,000 tonnes.

    IOC exports its concentrate and pellet

    products to major North American,

    European and Asia Pacific steel makers.

    9 Iron Ore

    A stock pile of iron ore pellets are still hot at

    3000C and are water sprayed in the stockpileyard to cool them down and to dampen thedust, IOC Canada.

    The hydroelectric power plant is fed from the

    St. Lawrence river and supplies power to thetown of Sept-Illes and IOC.

    IOC owns reserves

    sufficient for more

    than 25 years of

    operation at currentlevels of production.

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    Development of the process involved

    construction of a pilot plant to test the

    technology on a large scale over a ten

    year period.The satisfactory operation

    of the pilot plant led to the decision to

    expand to a full scale commercial facility.

    The technology allows efficient

    processing of ore fines which have higher

    levels of impurities which cannot be

    processed by conventional blast furnace

    technology and operating techniques.

    Rio Tinto regards development of the

    technology as a means through licensing

    agreements of building its iron ore and

    metallurgical coal businesses rather than

    a step towards becoming an iron and

    steel producer itself. In 2003, HIsmelt

    signed a process licence agreement with

    the Laiwu Steel Group Ltd. of China to

    allow for the development of a

    800,000 tonnes per year ironmaking

    facility using the HIsmelt

    technology.

    HIsmelt

    is a strategic joint venture

    between Rio Tinto (60 per cent interest

    through its subsidiary, HIsmelt

    Corporation), US steelmaker Nucor

    Corporation (25 per cent), Mitsubishi

    Corporation (10 per cent), and Chinese

    steelmaker Shougang Corporation

    (5 per cent).

    Corumb

    Rio Tinto increased its interest in

    Mineraao Corumbaense Reunida

    (Corumb) to 100 per cent from 80 per

    cent in June 1999. Corumb produces

    iron ore from an open pit mine in the state

    of Mato Grosso do Sul employing 250

    people. The mine is planning to expandproduction to 15 million tonnes per year of

    iron ore from one million tonnes. Iron ore

    is barged along the Paraguay River to

    South American and European customers.

    Logistic options are being considered for

    expanded export sales.

    HIsmelt

    After 20 years of technology development,

    the HIsmelt

    plant at Kwinana outside

    Perth in Western Australia was being

    commissioned in 2005. The HIsmelt

    process is a revolutionary direct iron

    smelting technology developed largely by

    Rio Tinto that converts iron ore fines into

    high quality pig iron (96 per cent iron

    content) without the use of coke ovens

    and sinter plants. It emits significantly

    less greenhouse gas and has lower

    environmental impact than traditional

    ironmaking methods, offering the iron

    and steel industry a cleaner alternative

    to traditional technology. The plant will

    have a capacity of 800,000 tonnes

    per year.

    Stock piling of iron ore at Corumb,

    an open pit mine in Brazil.

    The HIsmeltiron making plant at

    Kwiuana,Western Australia.

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    Fact sheets in this series comprise:

    A world leader

    Global business, local neighbourMining and the environment

    Engagement through partnership

    Aluminium

    Copper

    Diamonds

    Energy

    Industrial Minerals

    Iron Ore

    Exploration

    Technology

    Rio Tinto plc

    6 St. Jamess SquareLondonSW1Y 4LDUnited Kingdom

    Telephone+44 (0)20 7930 2399

    Fax+44 (0)20 7930 3249

    www.riotinto.com

    For further information please contact:

    Rio Tinto Limited

    55 Collins StreetMelbourneVictoria 3001Australia

    Telephone+61 (0)3 9283 3333

    Fax+61 (0)3 9283 3707

    Currency: All $ values refer to US dollars unless stated otherwise.

    For convenience, the expression Rio Tinto is used to describe both Rio Tinto plc and Rio Tinto Limited and companies

    within the Group, even though these companies are generally separate and independently managed.

    Ownership: Where Rio Tinto is not the sole owner of a company, the percentage interest is shown.

    Rio Tinto 2006