1970’s - Triomf Fertilizer establishes fertilizer production at Richards Bay
          - Triomf and non-nitrogen interests of AE&CI (later to become AECI) join forces
1980’s - Triomf and AECI separate interests.  Triomf retains Richards Bay
1986 - Kynoch Fertlizers takes over the local interest of Triomf
        - Indian Ocean Fertilizer (Pty) Ltd. (IOF) takes over Richards Bay plant
1990 - Foskor becomes a shareholder in IOF
1999-2002 - Foskor obtains entire shareholding of IOF.  IOF becomes a wholly own subsidiary of Foskor.  Name changed to Foskor Richards Bay.

Sulphos - Joint venture formed between:
SNC-Lavalin Europe N.V.,
SNC-Lavalin International Inc.,
Monsanto South Africa (Pty) Ltd.,
Engineering Management Services (Pty) Ltd.
B.E. Morgan Associates (Pty) Ltd.

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2002 Expansion

The Indian Ocean Fertiliser Company (IOF), a subsidiary of Foskor, received final approval in 1999 to expand its Richards Bay-based phosphoric acid and granular fertiliser production plant. IOF believes that the expansion will raise the plant turnover from $120 million to $217 million. The IOF plant produces phosphoric acid mainly for export. As well as the actual fertiliser plant itself, the project also requires the construction of raw materials storage, conveyor systems, the export tank farm and utilities.

The project will take place on a brown-field site where the new facilities will be accommodated. This will require some early site works to institute a re-routing of services and the demolition of certain existing site facilities. The upgrade meets the KwaZulu-Natal Department of Traditional and Environmental Affairs' environmental approval conditions.

According to the company, the expansion had been necessitated by IOF's inability to meet demands from its growing list of international customers. IDC funding would result in a 77% increase in IOF's production capacity. The expansion project will increase Indian Ocean Fertilizer's present production capacity of 450,000 tons of phosphate per annum by 330,000 tons to around 780,000 tons per annum of phosphate.

Various services and utilities are being constructed and in some cases existing facilities are being moved or demolished to make way for the new plant. The following facilities are being constructed: a sulphuric acid plant with a capacity of 3,000 tons per day. A phosphoric acid plant with a capacity of 11,000 tons per day. Work is also being done on related infrastructure and utilities.

November 25, 2010 - Aker Solutions has been awarded a contract for the supply of an anodically protected, proprietary sulphuric acid cooler to Foskor Ltd, one of the world's largest producers of phosphate and phosphoric acid. The acid cooler is a proprietary design of Aker Solutions and will be supplied to Foskor's phosphoric acid facility in Richards Bay, South Africa.  Aker Solutions has supplied more than 1400 proprietary acid coolers over the last 40 years. This valuable operating experience coupled with ongoing design and materials has positioned Aker Solutions' patented acid coolers at the forefront of sulphuric acid cooling technology. Developed out of the customer need to improve plant reliability and reduce plant foot print, Aker Solutions' acid coolers deliver long periods of uninterrupted plant operation; compact plant layout; vastly reduced maintenance; greatly improved acid quality and the ability to recover sizeable quantities of valuable low grade energy. The acid cooler will be manufactured at Aker Solutions' Pickering, Canada facility. Johan Cnossen, Senior Vice President, Europe, Middle East & Africa region with Aker Solutions' Process and Construction business area said, "Aker Solutions' position as the leading supplier of sulphuric acid cooling technology has emanated from our focus on every quality detail during fabrication and our understanding of the plant operators' requirements. Through our Johannesburg operation we can extend supply of this successful product into Southern Africa, whilst ensuring a strong local service."