brit ex geo ppt

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A simple presentation about the extraction and refining of aluminium and cement. This was made some time ago, so the info from a few slides may no longer be relevant.

TRANSCRIPT

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Introduction• Aluminium is a key component of so many aspects of

our life, from the buildings, cars, cans and flights.

• Aluminium is the third most abundant element in the earth's crust.

• Aluminium Industry is one of the leading segments of the Indian Economy.

• India is endowed with large deposits of high quality bauxite ore.

• Aluminium has a potentially large and growing market.

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Why Aluminium ???• Strength

• Durability

• Flexibility

• Impermeability

• Lightweight

• Resistance to Corrosion

• Recyclable

• Other

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• Aluminium was first used by Ancient Greeks and Romans.

• Sir Humphrey Davey coined the name ‘Aluminium’ for this metal in 1808.

• The production of Aluminium started in India In the year 1938.

• It took almost 46 years to make its production commercially viable.

• India stands at the eighth position in the list of leading primary Aluminium producers in the world.

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PROCESSING OF BAUXITE

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RecyclingAluminium cans are

more widely recycled

than any other

consumer container.

Some people take

them to recycling

centres that pay

cash, while others

donate them to

nonprofit groups that

sell cans to raise

funds.

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• The key consumer industries in

India are power, transportation,

consumer durables, packaging

and construction.

• Of this, power is the biggest

consumer (about 44% of total)

followed by infrastructure (17%)

and transportation (about 10% to

12%).

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The Indian aluminium industry is dominated by four or five companies that constitute the majority of India's aluminium production. Following are the major players in the Indian aluminium industry:

• Hindustan Aluminium Company (HINDALCO)

• National Aluminium Company (NALCO)

• Bharat Aluminium Company (BALCO)

• MALCO

• INDAL

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• Packaging

• Transport

• Electrical Conductors

• High Pressure Gas Cylinders

• Machined Components

• Ladders and Access Equipment

• Sporting Goods

• Road Barriers and Signs

• Domestic and Office Furniture

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The People’s Republic of China

The Russian Federation

Canada

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TOP 5 ALUMINIUM PRODUCING

COMPANIES OF THE WORLD

THE RUSSIAN

FEDERATION

CANADA

THE UNITED STATES

OF AMERICA

PEOPLE’S REPUBLIC

OF CHINATHE KINGDOM

OF NORWAY

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Aluminum Production 2010

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• Cement is a fine, soft, powdery-type substance.

• It is made from a mixture of elements that are found in natural materials such as limestone, clay, sand and/or shale.

• When cement is mixed with water, it can bind sand and gravel into a hard, solid mass called concrete.

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Raw materials used

for manufacture of cement• The four essential raw materials are:1. Limestone - mined from an underground mine2. Silicon – obtained from sand3. Aluminium – obtained from bauxite deposits4. Gypsum – obtained from large and dense beds

under the earth

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PROCESSING

• Mining [limestone]

• Crushing

• Grinding

• Blending and Storage

• Cement Grinding [with gypsum]

• Cement Storage

• Packaging & Marketing

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USES OF CEMENT Building (floors, beams, columns, roofing, piles, bricks,

mortar, panels, plaster)

Transport (roads, pathways, crossings, bridges, sleepers, viaducts, tunnels, stabilization, runways, parking)

Water (pipes, culverts, kerbing, drains, canals, weirs, dams, tanks, pools)

Civil (piers, docks, retaining walls, silos, warehousing, poles, pylons, fencing)

Agriculture (buildings, processing, housing, feedlots, irrigation)

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Cement Industry in India

• The cement industry comprises of 125 large cement plants.

• The Cement Corporation of India, which is a Central Public Sector Undertaking, has 10 units.

• There are 10 large cement plants owned by various State Governments.

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Cement Industry in India

• The total installed capacity in the country as a whole is 159.38 million tonnes.

• Major players in cement production are Ambuja Cement, Aditya Cement, J K Cement and L & T cement.

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The People’s Republic of China

The Republic of India

The United States of America

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REPUBLIC OF INDIA UNITED ARAB EMIRATES

REPUBLIC OF INDIA

PEOPLE’S REPUBLIC OF CHINA LIBIYA

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