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| Sulphuric Acid on the WebTM | Technical Manual | DKL Engineering, Inc. |
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Acid Plant Database May 4, 2015
| Owner | Toho Zinc Co. Ltd. |
|
| Location | 5562-1 Higashino
Oosakikamijima-cho Toyota-gun Hiroshima Prefecture Japan 725-0231  |
|
| Background | 1899 -
Dr. Iwasa Iwao, started copper smelting Gotou Kamekiti 1940 - Copper smelting stopped, lead smelting started 1950 - Toho Zinc acquires company |
|
| Website |
www.toho-zinc.co.jp www.tohozinc.com |
|
| Plant | Chigirishima Refinery | |
| Coordinates* | 34° 17' 48" N, 132° 54' 10" E (Industrial Island) | |
| Type of Plant | Metallurgical | |
| Gas Source | Lead
Concentrate and Secondary Materials Sinter Machine |
|
| Plant Capacity | 100 MTPD | |
| SA/DA | SA | |
| Status | - | |
| Year Built | 1966 - Acid production begins on site | |
| Technology | MECS | |
| Contractor | - | |
| Remarks | During periods of low SO2 concentration and electric heater with a maximum capacity of 1200 kW is used to maintain the plant autothermal. | |
| Pictures |  |
|
| General | Toho Zinc Co., Ltd. operates as a mining company in Japan. The company engages in smelting, metal processing, and environmental and recycling activities. Its smelting activity includes zinc, lead, electric silver, and sulfuric acid. The metal processing activity includes battery material and building material. The environmental and recycling activity consists of zinc oxide. It also engages in the soundproofing construction material activity. | |
| References | - | |
| News | - | |
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
