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Acid Plant Database July 22, 2021
Owner | Boliden Odda AS | |
Location |
Odda Norway |
|
Background | 1924 -
Norzink AS founded 1928 - Zinc production began 1964 - Boliden buys 50% stake in Norzink smelter 2001 - Rio Tinto and Boliden sell the Norzink zinc smelter in Norway to Outokumpu. Rio Tinto and Boliden each owned 50% 2003 - Boliden and Outokumpu have today entered into a final agreement whereby Boliden will acquire Outokumpu's mining and smelting operations within zinc and copper, and Outokumpu will acquire Boliden's Fabrication and Technology |
|
Website | www.boliden.se | |
Plant | Zinc Plant | Lead Plant |
Coordinates* | 60° 5' 23" N, 6° 31' 57" E (site) | - |
Type of Plant | Metallurgical | Metallurgical |
Gas Source |
Zinc Lurgi Fluid Bed Roasters: 37 m2 + 55 m2 |
Lead Kaldo Flash Smelter |
Hot Gas Cleaning | Waste Heat Boiler - Cyclones - Hot Electrostatic Precipitator | - |
Wet Gas Cleaning | Venturi Scrubber - Star Coolers - Wet Electrostatic Precipitators - Hg Removal | - |
Plant Capacity | - | - |
SA/DA | - | - |
Status | - | - |
Year Built | - | - |
Technology | - | - |
Contractor | - | - |
Remarks |
1976 - Boliden-Norzink Hg removal system installed |
- |
Pictures | ||
General |
The zinc plant Boliden Odda was established in 1924. The plant is situated
on a peninsula, approximately 4 kilometers north of Odda. The main products
are zinc and aluminum fluoride. Currently the annual capacity is 160,000 and
40,000 tonnes respectively, and the plant is one of the world's most
cost-efficient zinc producers. In addition Boliden Odda also produces
sulphuric acid. |
|
References | Målsnes, A. and Hauge, B., “Technical Innovations in the Gas Cleaning Section at Norzink’s Roaster No.2 and in the Vielle-Montagne Cellhouse No. 5”, Proceedings of an International Symposium on Zinc and Lead Processing, Calgary, Canada, August 16-19, 1998, pp. 613-626. | |
News |
July 21, 2021
- Boliden has decided to invest in the expansion of Boliden Odda
in Norway to an annual zinc production of 350 Ktonnes. The investment is for
a total of EUR 700 m and will be completed at the end of 2024. The expansion
means that the production of zinc with world-leading climate performance
will almost double. Today, Boliden Odda has an annual production
capacity of 200 Ktonnes of zinc. The operation will be supplied with
fossil-free electricity, and waste deposition will take place in mountin
caverns using unique, sustainable technology. The investment will mean an
increase in the annual production capacity for zinc to 350 Ktonnes and
substantially improved productivity while also avoiding a significant amount
of future maintenance. In addition to zinc, it will also be possible to
extract the bi-metals lead, gold and silver. The increased production
capacity together with improved energy efficiency and a new, long-term
contract for the supply of fossil-free electricity means a further reduction
in the already low carbon dioxide intensity. All of the environmental
permits for the operation have been obtained. "This is one of the
largest investments in Boliden's history. By increasing the production of
zinc with the highest climate performance while also improving resource
efficiency and productivity, we are setting a new standard for zinc smelting
both in terms of sustainability performance and cost effectiveness," says
Mikael Staffas, President and CEO, Boliden. The investment also
includes several new facilities at Boliden Odda, including a new roaster, a
new sulphuric acid plant, expansion and modernization of the leaching and
the purification plant, a new cellhouse and expansion of the foundry and
quay infrastructure. The major part of the total investment of EUR 700
m will be carried out during 2022 and 2023. The expansion project also means
that the level of digitization and automation in the operation will
increase, which will help improve productivity. As a result of this
significant technological development, Boliden Odda has been granted
investment support by Enova and Innovasjon Norge. October 6, 2016 - Boliden has agreed to sell the aluminium fluoride operations at the Norwegian zinc smelter, Odda, to the Italian firm Fluorsid S.p.A. The divestment refers to the standalone Noralf operations which comprise the manufacture and sale of aluminium fluoride and are located at the Odda zinc smelter. Aluminium fluoride, which is used in the manufacturing of aluminium, is produced in a process using large quantities of sulphuric acid – a by-product of the zinc process. The purchase price of EUR 12.5 m will be paid in cash. The transaction is scheduled for completion during the fourth quarter. A long-term agreement was simultaneously signed regarding the sale of sulphuric acid to Fluorsid. Fluorsid was established in 1969 and is the world leader in the market of inorganic fluorochemicals for the aluminium industry, with an annual capacity of over 100,000 tonnes of aluminium fluoride and synthetic cryolite. “The divestment is in line with Boliden’s strategy of increasing its focus on the core zinc operations at Odda, and expanding production to 200 ktonnes of zinc per year from Q2 2017. We believe the transaction is positive for the development of Noralf which now will be part of a world leading group within the aluminium fluoride business. The deal also secures the sale of half of Odda’s sulphuric acid,” says Kerstin Konradsson, President Boliden Smelters. Odda’s aluminium fluoride operations have posted an average annual turnover and operating profit of just over SEK 300 m and SEK 17 m, respectively, over the past five years. The sale will yield a capital gain of approximately SEK 60 m. August 30, 2013 - Early Friday morning, August 30, Boliden's zinc smelter in Odda experienced problems with an acid meter in the sulphuric acid plant. As a result, large amounts of white smoke spread in the area. According to the smelter's measurements, the smoke contained low concentrations of sulphuric acid and was not hazardous. The sulphuric acid plant has now been shut down, and is expected to be up and running again after the weekend. The zinc production is partly affected by the incident, and is also estimated to return to full capacity after the weekend. On, Monday September 2, the production was up to full capacity again.2001 - Rio Tinto and Boliden have completed the sale of the Norzink zinc smelter in Norway to Outokumpu for US$180 million cash. Rio Tinto and Boliden each owned 50% of Norzink. |
MTPD - Metric Tonne per Day
STPD - Short Ton per Day
MTPA - Metric Tonne per Annum STPA - Short Ton per
Annum
SA - Single Absorption
DA - Double Absorption
* Coordinates can be used to
locate plant on Google Earth