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Sulphuric Acid on the WebTM Technical Manual DKL Engineering, Inc.

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Acid Plant Database  September 18, 2018

Owner Chemaf S.P.R.L. Chemaf-Logo.bmp (8890 bytes)

Location Democratic Republic of Congo
Background Part of Shalina Resources 
Website www.shalinaresources.com
Plant Etoile (SAP II)
Coordinates* 11° 37' 43" S, 27° 35' 17" E
Type of Plant Sulphur Burning
Gas Source Elemental Sulphur
Plant Capacity 500 MTPD
2014: 95,859 tonnes
Emissions -
Status Operating
Year Built 2010
Technology -
Contractor -

Shalina Resources has built the first and only sulphuric acid plant in the Democratic Republic of Congo.

It commissioned its first acid plant, capacity 100 tpd, in 2005. This plant is located within the Usoke compound in Usoke Avenue, Lubumbashi. The acid produced consumed within production leaching section.

A second acid plant will be commissioned in Oct 2008. This acid plant is located at the Etoile mine and will have a capacity of 500 tpd. A railway link is currently under construction to bring the sulphur to site. This expansion is timed to be commissioned with increasing requirement for acid for leaching at Usoke where Copper Cathode production will increase to 30,000tons/annum. Any excess acid will be sold within the local Katanga market where demand is strong.

General Shalina Resources is a growing mining and metals company. Our principal activities include mineral exploration, development and mining in the Katanga region of the Democratic Republic of Congo.

Shalina Resources is privately owned and part of the Shalina Group, which has been operating in the Democratic Republic of Congo (DRC) for nearly thirty years. Shalina Resources is headquartered in Dubai with operating offices in Lubumbashi (DRC)  and new offices opened in December 2009 in the Dongcheng District of Beijing China.

We currently produce 16,000 tones of 99.9% pure Copper cathodes per annum as well as cobalt carbonate and sulphuric acid. Our Copper production is set to increase to 30,000 tones by the end of 2010

Shalina Resources has a modular approach to developing operations which has allowed it to self-fund the majority of its growth.

The Company first started small-scale mining and mineral processing in 2002. It constructed a copper carbonate pilot plant, known as ‘PP1’, within its production facility based at Usoke Ave (in the industrial zone of Lubumbashi). At this time, annual production capacity was 500 tonnes of copper carbonate and 240 tonnes of cobalt carbonate that was recovered by precipitation. By continued re-investment of retained earnings, the Company has considerably increased its production capacity and will surpass 24,000tpa copper cathode by end 2011 and work towards 2,400 tpa in the form of cobalt salt.

In 2004, Shalina Resources built its first sulphuric acid plant with capacity of 100 tpd at Usoke Avenue and a new larger plant with an installed capacity of 500 tpd was commissioned at the Etoile mine site in August 2010. It has been commissioned for the extra leaching capacity required to reach the target of copper cathode production of 100 tpd which is expected to be achieved by 2012.

In 2007, Shalina Resources bought the Mount Gordon Cu SX/EW plant from Australia and re-assembled it at the Usoke site. With this move, the company was able to commission the first phase of its Copper EW facility and start producing pure metal copper cathodes (design capacity of 16,000 tonnes per annum).

In this year, the company also commissioned the Kilimasimba Stone Quarry, its purpose being to produce aggregates for construction. Both the acid and the aggregates operations give Shalina Resources access to strategic key production materials and this has enabled capital and production costs to be reduced. That is not to forget the local value addition and job creation also created by these operations.

References -
News January 29, 2018 - Outotec to deliver modular sulfuric acid plants for Shalina Resources in the Democratic Republic of Congo Outotec has been awarded a contract by Shalina Resources Limited for the delivery of advanced sulfuric acid plant technology to the Mutoshi project near Kolwezi in the Democratic Republic of Congo. The order value, approximately EUR 33 million, is booked in Outotec's 2018 first quarter order intake. Outotec's scope includes the delivery of three skid mounted, modular sulfuric acid plants that will produce the acid and SO2 gas required in the process of the new Mutoshi copper-cobalt plant. The innovative plant concept, based on Outotec's technology and expertise gained from 650 plants delivered globally, ensures the many benefits of modular prefabricated plant delivery, such as low investment, installation and operation cost, increased availability and maintainability as well as environmentally sound and safe operation. The order complements the EUR 65 million copper and cobalt processing technology delivery to the Mutoshi project Outotec announced on December 14, 2017. "We really look forward to working with Shalina Resources in the Mutoshi project, and are extremely pleased that we can complete our diverse technology package for the copper and cobalt processing now with sulfuric acid plants. These modular plants represent our latest technology, and remarkably improve the environmental performance of the plant", says Kalle Härkki, head of Outotec's Metals, Energy & Water business.

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