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| Sulphuric Acid on the WebTM | Technical Manual | DKL Engineering, Inc. |
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Acid Plant Database April 15, 2024
| Owner |
ETI Gübre |
|
| Location | Mardin Turkey |
|
| Background |
1968 - Karadeniz Bakir Isletmesi A.S. (KBI) 2004 – Company privatized and name changed to Eti Bakir A.S. Part of Cengiz Holding www.cengiz.com.tr |
|
| Website | www.etigubre.com | |
| Plant | Mazidagi Phosphate Plant | |
| Coordinates* | - | |
| Type of Plant | Metallurgical | |
| Gas Source | Pyrite Roaster | |
| Plant Capacity |
Roaster Capacity: 500,000 t/a Acid Plant: 2080 MTPD, 700,000 MTPA Basis: 8000 h operation per year |
|
| SA/DA | 3/1 DA | |
| Emissions | - | |
| Status | Operating | |
| Year Built | 2019 | |
| Technology | Outotec | |
| Contractor | Cengiz Holding | |
| Remarks | Mercury Removal
System HEROS energy recovery system - 20 t/h, 7 barg, 170oC PORS - Plant Operability Reliability and Safety Vessel Fabrication by SiMGETEK İmalat ve Mühendislik A.Ş. - Cold Heat Exchanger, 321SS/P265GH (Ø4866 x 24360 mm, 1138 - Ø76.1 x 2.9 x 13670L, 16Mo3 - 130 ton) - Internal Heat Exchanger, 321H SS, (Ø6050 x 6021 mm, 3634 - Ø38 x 2 x 4445L, 321H SS - 43 ton) - Cold Reheat Exchanger, 321SS/P265GH (Ø5662 x 23456 mm, 4494 - Ø42.4 x 2.6 x 14570L, 321SS - 224 ton) - CORD Heat Exchanger, 316L SS (Ø4120 x 7934 mm, 450 - Ø114.3 x 2.3 x 2770L, 316L SS - 21 ton) - Intermediate Heat Exchanger, 321SS/16Mo3 (Ø3966 x 13615 mm, 388 - Ø114.3 x 2.3 x 4860L, 16Mo3 - 36 ton) - Converter, 321SS/321H SS (Ø13924 x 28578 mm - 387 ton) - Drying Tower, 316L SS/S235JR (Ø7924 x 15548 mm - 66 ton) - Final Absorption Tower, 316L SS/S235JR (Ø8814 x 22060 mm - 70 ton) - Intermediate Absorption Tower, 316L SS/S235JR (Ø9814 x 25180 mm - 76 ton) - Venturi, 310SS/S235JR (Ø3440 x 16581 mm - 20 ton) - HEROS Pump Tank, SX/S235JR (Ø6570 x 4259 mm - 18 ton) - IAT Pump Tank, 316L SS/S235JR (Ø5670 x 3685 mm - 12 ton) - Dilution Pump Tank, 316L SS/S235JR (Ø2366 x 2845 mm - 3 ton) - DT Pump Tank, 316L SS/S235JR (Ø5574 x 3685 mm - 13 ton) - FAT Pump Tank, 316L SS/S235JR (Ø5020 x 3685 mm - 11 ton) |
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| Pictures |
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SiMGETEK İmalat ve
Mühendislik A.Ş.
|
||
| General |
Eti Bakir Co. Mazidagi Phosphate Plants are established in the district of
Mazidagi in Mardin. They are at 90km to Diyarbakir, 65 km to Mardin and 520
km to the Port of Iskenderun.The plant was established in 1974 to fulfil a
portion of Turkey’s phosphate fertilizer requirement and reduce her
dependency on imports. Later on it was transferred to the Privatisation
Administration by a resolution of the Supreme Board of Privatisation and was
put out to tender in 2011. In July 2011 Cengiz Holding purchased the plant
and included it in its family.Mazidagi Phosphate Plants has started its
operations to: fulfil a portion of Turkey’s fertilizer need, where as a
country of agriculture Turkey relies on imports; create employment, and;
contribute to the economy of Turkey. The plant’s capacity for producing
phosphate rock is 550,000 tons per year. The Eti Bakır A.Ş. Mazıdağı Phosphate Plant in Mardin was taken over by Cengiz Holding in 2011 and the annual phosphate rock production capacity of the plant exceeds 550,000 tons. The new fertilizer plant is expected to be the biggest private sector investment in Eastern and South Eastern Anatolian Regions. The Mazıdağı Fertilizer plant will generate all the power it needs and it is anticipated that 85% of its raw material requirement will be met from within Turkey. The plant’s initial share of the fertilizer market will be 20%. The Mazıdağı Phosphate and Fertilizer Plant, which will be the only fertilizer plant in the region, will have an annual production of 750,000 tons of fertilizer, 200,000 tons of DAP and 550,000 tons of NP, meeting the entire fertilizer requirements of the Harran Plain. Sulfuric Acid Plant is a metallurgical process.
Roasting technology of OUTOEC company is used. OUTOTEC technology is also
used in Gas Cleaning and Acid Production. In Acid Production, OUTOEC firm
has the "DCDA - Double Contact Double Absorption" method. The emission
values of the facility, which makes production using the best available
technique, are far below the ministry limits. Raw Material : Pyrite
concentrate containing 48-50% sulfur is used as raw material. As a result of roasting the pyrite concentrate
supplied from our Küre mine in the oven at 750-800 C, 3 products are formed.
Calcine released as a result of combustion is in powder form and is stored
in silos to be used in metal production after being cooled by cyclones and
electro filters. Heat energy, on the other hand, is removed by the waste
heat recovery system and steam is generated. After the sulfur dioxide in the
gas phase released as a result of pyrite roasting is separated from calcin
and high temperature, it is separated from the fine particles and aerosols
in the gas cleaning unit by means of venturi scrubbers and electrofilters,
making it suitable for reaction in acid production. The cleaned gas is fed
to the converter containing vanadium pentaoxide to produce sulfur trioxide
required for acid production. The gas containing sulfur trioxide is then
absorbed in the absorption towers with sulfuric acid containing low water
and acid production occurs. The product is sent to acid stock tanks and
distributed to users within the facility. |
|
| References | Sulphur 2019 Sulfuric Acid Today, Fall/Winter 2019 |
|
| News | December 27, 2013 - Outotec will deliver technology and services worth more than €100m to Cengiz Group for its Mazidagi and Samsun operations in Turkey. The orders include a roasting plant for pyrite concentrates, calcine leaching and solvent extraction plants, copper smelter modernization, as well as gas cleaning and sulfuric acid plants. The orders will be booked in Outotec's 2013 fourth quarter order intake. | |
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
