Alba aluminium factory

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Alba aluminium factory

Alumina is extracted from the ore bauxite by means of the Bayer process at an alumina refinery. This is an electrolytic process, so an aluminium smelter uses huge amounts of electricity; smelters tend to be located close to large power stations, often hydro-electric ones, in order to reduce the overall carbon footprint.

This is an important consideration, because large amount of carbon is also used in this process, resulting in significant amounts of greenhouse gas emissions. Smelters are often located near ports, since many smelters use imported alumina. An electrolysis cell is made of a steel shell with a series of insulating linings of refractory materials.

The cell consists of a brick-lined outer steel shell as a container and support. Inside the shell, cathode blocks are cemented together by ramming paste.

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The top lining is in contact with the molten metal and acts as the cathode. The molten electrolyte is maintained at high temperature inside the cell. The prebaked anode is also made of carbon in the form of large sintered blocks suspended in the electrolyte. A single Soderberg electrode or a number of prebaked carbon blocks are used as anode, while the principal formulation and the fundamental reactions occurring on their surface are the same.

An aluminium smelter consists of a large number of cells pots in which the electrolysis takes place. A typical smelter contains anywhere from to pots, each of which produces about a ton of aluminium a day, though the largest proposed smelters are up to five times that capacity. Smelting is run as a batch process, with the aluminium metal deposited at the bottom of the pots and periodically siphoned off. Particularly in Australia these smelters are used to control electrical network demand, and as a result power is supplied to the smelter at a very low price.

However power must not be interrupted for more than 4—5 hours, since the pots have to be repaired at significant cost if the liquid metal solidifies. Aluminium is produced by electrolytic reduction of aluminium oxide dissolved in molten cryolite.

Although the formation of carbon monoxide CO is thermodynamically favoured at the reaction temperature, the presence of considerable overvoltage difference between reversible and polarization potentials changes the thermodynamic equilibrium and a mixture of CO and CO 2 is produced. As 3 electrons are needed to produce each atom of aluminium, the process consumes a large amount of electricity. For this reason aluminium smelters are sited close to sources of inexpensive electricity, such as hydroelectric.

Electrolyte: The electrolyte is a molten bath of cryolite Na 3 AlF 6 and dissolved alumina. Cryolite is a good solvent for alumina with low melting point, satisfactory viscosity, low vapour pressure. Its density is also lower than that of liquid aluminium 2 vs 2. Aggregates are mixed with coal-tar pitch, formed, and baked.

Carbon purity is not as stringent as for anode, because metal contamination from cathode is not significant. Carbon cathode must have adequate strength, good electrical conductivity and high resistance to wear and sodium penetration. Anthracite cathodes have higher wear resistance [7] and slower creep with lower amplitude [15] than graphitic and graphitized petroleum coke cathodes.

Instead, dense cathodes with more graphitic order have higher electrical conductivity, lower energy consumption [14], and lower swelling due to sodium penetration.

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Anodes are also made of petroleum coke, mixed with coal-tar-pitch, followed by forming and baking at elevated temperatures. The quality of anode affects technological, economical and environmental aspects of aluminium production. Energy efficiency is related to the nature of anode materials, as well as the porosity of baked anodes. Inhomogeneous anode quality due to the variation in raw materials and production parameters also affects its performance and the cell stability.

Prebaked anodes are divided into graphitized and coke types.

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For manufacturing of the graphitized anodes, anthracite and petroleum coke are calcined and classified. They are then mixed with coal-tar pitch and pressed.

Coke anodes are made of calcined petroleum coke, recycled anode butts, and coal-tar pitch binder. The anodes are manufactured by mixing aggregates with coal tar pitch to form a paste with a doughy consistency.With aluminium prices at multi-year lows, a petition signed by the US Aluminium Association and a number of industry players The move follows after a US presidential proclamation, Between October 28 and November 1st, London hosted the traditional London Metals Exchange LME Week gathering of analysts, brokers, traders and industry experts from all over the world to hear and exchange information on latest developments related to base metals and their Base metals prices reacted positively to the progress registered in the latest round of US — China trade talks in A day before the conference, in accordance with an The FastmaketsMB aluminium conference is the sequel to the Metal Bulletin aluminium conferences, which have traditionally been one of oldest Indian aluminium producer Vedanta said last week it expects to ramp up production at its Lanjigarh alumina refinery by thousand metric tons per annum in the coming fiscal year.

Russian Federation aluminium giant U. Rusal released financial results for this week, reporting a sharp increase in net losses Australian innovator Altech Chemicals Ltd. Mark Cooksey, Ph. American technological company Apple Inc. ACF technology is the result […] American aluminium smelter Century Aluminum Company announced yesterday the launch of a new low-carbon aluminium made with energy soley derived Events apr.

Don't miss a single update from Aluminium Insider. Sign up to our weekly newsletter! Aluminium at the LME Week — Key Takeaways Between October 28 and November 1st, London hosted the traditional London Metals Exchange LME Week gathering of analysts, brokers, traders and industry experts from all over the world to hear and exchange information on latest developments related to base metals and their Electric Vehicles EVs : outlook for sales and aluminium demand.

Import Duty Avoidance. How Are Aluminium Cans Recycled? Clean road mobility: what role for lightweighting technologies? Aluminum Workers. Vedanta Plans Capacity Increase To 1. Scroll to top.Jump to. Sections of this page. Accessibility help.

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C on Facebook. Log In. Forgotten account? Not Now. Suggest Edits. Get Directions. Having well established in U. Our prices are very competitive to suit your budget and our work to the utmost satisfaction of the clients. This allows us to achieve high standard precision works. It would give us great pleasure if you could visit our facility at your convenience or give us privilege to meet you for any further clarification.

If you have any requirements our technical qualified staff and engineers shall be deputed to meet you to draw up exact specifications. See more. We have established ourselves in a very competitive This has been achieved and production increased every year, our new factory is now housed in a 20, M2 facility. Our factory produces finished items to British and Japanese standards. The work force is highly skilled and properly guided by the management. Our factory is the only aluminium manufacturer equipped with computerized aluminium engraving facilities which is unique in the UAE.

We are proud to include in client base municipalities as well as some of the largest contracting firms in the UAE and the Gulf. Local business.Quality at Alva. In Alva, we believe that quality is a never ending process. Our lab equipment consists of the latest spectromachine from Spectro, with the facility to check K-mould, two lathes and a cutting machine. We will be soon adding a microscope and stereo microscope, as well as a sample grinding and polishing machine.

Our factory is equipped with some of the latest technology in secondary aluminium alloy manufacturing industry. Degassing and filter units are online while the casting is conducted, thereby uniformly removing unwanted gases and impurities before the ingot is cast. Alva Aluminium Limited. Alva Aluminium Ltd est. The GP Group is a large conglomerate, over years old that actively holds interests in a range of industries in Thailand. The vision given by the founders of Alva which the company shall carry is to deliver a variety of secondary aluminium alloys of high quality to our customers as per their requirements in Thailand and Asia with efficiency and flexibility, which will be accomplished by following the best industrial practices in operation, environment, health and safety.

By incorporating the latest technology available in foundries and automation, we aim to set a benchmark in the industry and deliver products and service of high quality. We are also producing aluminium alloys with low Iron content. The raw materials we use for producing secondary aluminium alloys are Aluminium scrap, Copper scrap, primary aluminium, silicon with fluxes and master alloys to make the chemical and physical characteristics of the alloy ingot specified by our customer.

An individual ingot weighs approximately 7. Two ingots at the bottom serve as pallet legs allowing forklifts to easily move the bundles. Each ingot has our company name 'Alva', alloy code and batch no printed on the smallest face and each bundle has a label, which is printed with information containing the bar code, alloy code, bundle number and bundle weight.

alba aluminium factory

Additionally, we also mark the ingots with paint according to our customer's requirement for their easy identification. Each bundle is then wrapped with a plastic cover to prevent white rust and moisture from collecting on the ingot surface. Quality at Alva In Alva, we believe that quality is a never ending process.

Process Our factory is equipped with some of the latest technology in secondary aluminium alloy manufacturing industry. Contact Persons Mr. Alva map.We have established ourselves in a very competitive market and proven our products against existing manufacturers.

This has been achieved and production increased every year, our new factory is now housed in a 20, M2 facility. The companys success is due to maintaining strict quality control without compromise yet at competitive prices.

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Our factory produces finished items to British and Japanese standards. The factorys capability includes manufacture of cast aluminium, stainless steel and brass fabrications. The work force is highly skilled and properly guided by the management. Read more Our prices are very competitive to suit your budget and our work to the utmost satisfaction of the clients.

We proudly claim that the companys success is. Read more. Search Options Show Categories. Website Email Address. Alba Tower Aluminium Factory Limited. Box: Location: Opposite Dubai Cold Streetorage, Al Ghusais Website: We have established ourselves in a very competitive market and proven our products against existing manufacturers.To be the company that best understands the product, service and self-fulfillment needs of our customers.

L has developed an excellent track record in a wide variety of projects. We are committed in maintaining and enhancing our reputation as a leader and an innovator in our specialized field.

Representing an effective and successful reputation, Gulf Aluminium Factory W. L has maintained the specialization of aluminium fabrication in Bahrain for over 40 years.

Our philosophy is to provide a comprehensive and professional service covering the complete range of aluminium fabrication and installation. We provide the best quality and ensure high standards of safety and services. SINCE We guarantee the best service!

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We are fast, convenient and safe! Our Mission. To provide the best customer service as possible. Our Vision. About Us. Our Services. Private Residence. Outdoor glass gardens. Indoor glass gardens. Sky Domes. CNC designs. City Centre Bahrain hotels. McLaren showroom. Bahrain Bayan school.

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Al-Aali Boulevard. Hospitalia By Yara. Premier Hotel. Our group of companies. Connect With Us. Our location. Email us for more inquiries. Cookie Use.Aluminium Bahrain B. The company produces a range of aluminium products, which include billets, liquid metal, standard ingots, rolling slab, propertzi and others. Inthe company set an all time production record in its history withmetric tonnes. Alba was officially incorporated in and began operations in with an annual capacity ofmetric tonnes per annum.

alba aluminium factory

In March Alba commissioned a new reduction line, Line 5, which increased the company's capacity to overtonnes of aluminium at that time. The Alba plant comprises five reduction lines, two cast houses, a dedicated carbon plant, amtpa coke calcining plant, a water desalination plant, 11 fume treatment plants, a marine terminal, and a 2, MW ISO power plant, consisting of 4 power stations. The plant also features a 13 hectare oasis, with more than 15, trees and shrubs, a fruit and vegetable garden, and an artificial lake.

Standard ingots are for downstream users who wish to re-melt this residual form of aluminium in their own furnaces, and then cast it to produce a variety of end products. Alba's production capacity of standard ingots stands at approximatelymetric tonnes per annum. Sheet ingots, or rolling slabs, are used in rolling mills for manufacturing aluminium foil and sheet products.

The total annual production capacity of rolling slabs currently stands at approximatelymetric tonnes per annum. Foundry alloy ingots are mainly used by the automotive industry for manufacturing automotive wheels, truck hubs and gas pump nozzles.

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Extrusion ingots are widely used in the construction industry for windows and door framestransportation, engineering, and consumer durables.

Alba produces aroundmetric tonnes per annum of extrusion ingots. The Liquid is supplied in liquid form to downstream industries in Bahrain and is transferred in crucibles. It takes 5 hours for the liquid metal to solidify. Alba is one of only two smelters in the world to have a dedicated coke calciner, its production capacity is nearlymetric tonnes per annum.

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Alba has three carbon plants that produce aboutmetric tonnes of anodes every year. Carbon anodes are produced from calcined petroleum coke and coal tar pitch.

With its four natural gas turbine power stations having a total power generating capacity of 2, MW ISO, equivalent to the average power consumed in Bahrain as a whole, Alba's energy needs are fulfilled independently. Alba's seawater desalination plant was commissioned in It utilises waste heat from the calcining process to generate steam for the production and supply of 41, cubic metres per day of potable water.

Alba's Line 6 Expansion Project is one of the largest brownfield developments in the region. Expected to begin production by January 1,this Project will boost the smelter's per-annum production bymetric tonnes, bringing its total production capacity to 1. The Line 6 Expansion Project will make Alba the world's largest single-site aluminium smelter and be a significant economic boost for the Kingdom of Bahrain due to the many co-investment opportunities through local and foreign aluminium investments.

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alba aluminium factory

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