Penrice Soda Products

Penrice Soda Products was an Australian industrial materials company whose operations were based in South Australia. Established in 1935 by ICI Australia, the business developed around the production of soda ash and the extraction and processing of mineral resources. Its name came from the Penrice quarry near Angaston in the Barossa Valley region, which supplied limestone to the company’s manufacturing operations. The company’s principal industrial asset was its soda ash plant at Osborne, in Adelaide’s north-western suburbs on the Port River. It was the only soda ash production facility in Australia. The plant used the Solvay process, combining salt-derived brine and limestone with ammonia to produce soda ash. Salt was obtained from the St Kilda lagoons and transferred as saturated brine through a pipeline beneath the Port River, while limestone from the Angaston quarry was transported to Osborne by rail. The facility also used steam from the Osborne Power Station and was described as Australia’s largest cogeneration facility. Penrice’s operating network therefore connected quarrying, salt production, rail logistics, chemical manufacturing and port-side industrial infrastructure. The company operated a large limestone and marble quarry north of Angaston and maintained several other South Australian establishments. Its stone movement was notable in the state’s transport history: the Penrice Stone Train, operated by Genesee & Wyoming Australia, was the last commercial user of South Australia’s broad-gauge rail network. The rail service ended when the Osborne plant closed in 2014. The business changed ownership and structure during the late twentieth and early twenty-first centuries. Its Dry Creek Saltfields and Osborne soda ash plant were acquired from ICI in 1989. The salt fields were later sold to Ridley Corporation in 2005, while Penrice Soda Products became publicly listed on the Australian Securities Exchange in the same year. The company subsequently faced worsening commercial and operational conditions. In June 2014 it announced the closure of the Osborne soda ash plant. The Angaston quarry was sold to Adbri in July 2014, and Penrice Soda Products entered liquidation in August 2014. Penrice is principally remembered as an integrated South Australian industrial operation rather than as a consumer-facing brand. Its activities supplied soda ash and mineral products to industrial markets, while its quarry, saltfield, chemical plant and dedicated rail service formed a distinctive supply chain. The closure of the Osborne plant ended domestic soda ash production at the site and brought the company’s operating history to a close.

Penrice Soda Products traced its industrial origins to 1935, when ICI Australia established operations in South Australia. The business was named after the Penrice quarry near Angaston and became associated with both mineral extraction and soda ash manufacturing. Its operating model eventually linked an inland quarry, saltfields, rail transport and a chemical plant on Adelaide’s Port River. A major structural change occurred in 1989, when the Dry Creek Saltfields and Osborne soda ash plant were acquired from ICI. The Osborne facility was Australia’s only soda ash production plant. It manufactured soda ash through the Solvay process, using limestone from the Angaston quarry, salt collected from the St Kilda lagoons and ammonia as process inputs. Salt was normally harvested in autumn and transferred to the plant as saturated brine through a pipeline beneath the Port River. Limestone was carried from the quarry to Osborne by the Penrice Stone Train. The Osborne works also had an important energy and infrastructure relationship with the local industrial area. It used steam from the Osborne Power Station and was described as Australia’s largest cogeneration facility. Manufacturing by-products included calcium chloride, ammonia and insoluble residues known as calsilt. Some of these materials were discharged into the Port River, with periodic dredging required to prevent the residues from obstructing the shipping channel. Penrice’s business portfolio included the Angaston limestone and marble quarry, the Osborne soda ash plant and other South Australian facilities. Its transport system was historically significant. Genesee & Wyoming Australia operated the Penrice Stone Train on the Barossa Valley line, making Penrice the last company in South Australia to use the state’s broad-gauge rail network. The train ceased operation in June 2014 when the Osborne plant closed. The company’s corporate structure changed again in 2005. The Dry Creek Saltfields were sold to Ridley Corporation, and Penrice Soda Products was listed on the Australian Securities Exchange. The public listing did not prevent the later deterioration of the company’s operating position. On 24 June 2014, Penrice announced that it would close the Osborne plant. The Angaston quarry was sold to Adbri in July of that year, and Penrice was placed into liquidation in August 2014. These events ended the company’s operations as an integrated soda ash and quarrying business.

• 2014

  Osborne plant closes

  [1]Penrice Soda Productsen.wikipedia.org

  Penrice announced the closure of its Osborne soda ash plant on 24 June. The associated Penrice Stone Train also ceased operating in June.

• 2014

  Quarry sold and company liquidated

  [1]Penrice Soda Productsen.wikipedia.org

  The Angaston quarry was sold to Adbri in July, and Penrice Soda Products entered liquidation in August.

• 2005

  Saltfields sold and company listed

  [1]Penrice Soda Productsen.wikipedia.org

  The Dry Creek Saltfields were sold to Ridley Corporation, and Penrice Soda Products was listed on the Australian Securities Exchange.

• 1989

  Saltfields and Osborne plant acquired from ICI

  [1]Penrice Soda Productsen.wikipedia.org

  Penrice acquired the Dry Creek Saltfields and the Osborne soda ash plant from ICI.

• 1935

  Operations established by ICI Australia

  [1]Penrice Soda Productsen.wikipedia.org

  ICI Australia established the operations that later became associated with Penrice Soda Products in South Australia.

An integrated South Australian industrial materials producer combining quarrying, salt-related inputs, rail logistics and soda ash manufacturing for industrial markets.

• Industrial chemical

  Soda ash

  Soda ash was Penrice’s principal manufactured product and was produced at the Osborne plant, Australia’s only soda ash production facility. The plant used the Solvay process, combining salt-derived brine and limestone with ammonia. Limestone from the Angaston quarry and brine from the St Kilda lagoons were moved into the manufacturing system through dedicated rail and pipeline infrastructure.

• Quarried mineral

  Limestone

  Limestone was extracted from Penrice’s large quarry near Angaston in South Australia. It served both as a quarried mineral product and as a key raw material for the Osborne soda ash process. The quarry was connected to the soda ash plant by the Penrice Stone Train until the manufacturing operation closed in 2014.

• Quarried mineral

  Marble

  Penrice operated a quarry near Angaston that produced limestone and marble. The quarry formed part of the company’s mineral-products business and was separated from the wider Penrice operation when it was sold to Adbri in July 2014.

• 2014

  Decision to close the Osborne soda ash plantStrategy

  Background

  The Osborne plant was the company’s central soda ash manufacturing asset and Australia’s only facility of its kind. Penrice announced that the plant would close on 24 June 2014.

  Action taken

  Penrice shut the Osborne facility, ending its soda ash production and the associated Penrice Stone Train service.

  Aftermath

  The closure was followed by the sale of the Angaston quarry to Adbri in July 2014 and Penrice’s liquidation in August 2014.

  Source

• 2014

  Sale of the Angaston quarryM&A

  Background

  Following the announced closure of the Osborne plant, Penrice disposed of the quarry that supplied limestone and marble and provided a key raw material for soda ash production.

  Action taken

  The Angaston quarry was sold to Adbri in July 2014.

  Aftermath

  The sale separated the quarrying asset from Penrice’s former integrated manufacturing network shortly before the company entered liquidation.

  Source

1. 1Penrice Soda Productsen.wikipedia.org