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Polokwane Smelter SO2 Abatament Plant

CaseViews

CaseHeader

Status: 

HeritageAuthority(s): 

Development Type: 

ProposalDescription: 

The installation of an SO2 Abatement Plant at the existing Polokwane Smelter. The Plant will be located on an existing impacted footprint, however the construction laydown area will be located on a disturbed area which was not previously accessed. And the construction access road will be next to the wetland.

Expanded_Motivation: 

Anglo American Platinum Limited (AAP) owns and operates three smelting complexes, namely Polokwane, Mortimer and Waterval. This project relates to the Polokwane Metallurgical Complex (PMC), which is located in the Limpopo Province of South Africa. The PMC is an existing metallurgical industrial furnace where sulphide concentrates are smelted. Wet concentrate is received and dried in a flash dryer. The dry concentrate is smelted in an electric furnace, resulting in the recovery of platinum group metals (PGMs) and other base metals. The furnace matte is tapped, cast and crushed. The resulting furnace slag is stockpiled at a dedicated slag storage facility. The furnace off-gas is currently cooled in a forced draft cooler (FDC) before entering a bag-house to remove dust from the off-gas. The off-gas is then vented into the atmosphere via a 150m stack. The National Environmental Management Air Quality Act (No. 39 of 2004) (NEM:AQA) requires that furnaces in metallurgical industries be operated with efficient SO2 abatement systems by 1 April 2015, however PMC was given an extension until 1 April 2020. In order to comply with South African legislation (2020 limits), an SO2 abatement system must be installed at the PMC. The proposed strategy to achieve the Minimum Emission Standards (MES) is the installation of a WSA Plant that will convert the SO2 contained in the off-gas into commercial-grade concentrated sulphuric acid (H2SO4). The exhaust from the WSA plant (containing reduced SO2 concentrations) will be vented into the atmosphere, and the commercial grade sulphuric acid will be temporarily stored before being dispatched in the commercial market.

ApplicationDate: 

Thursday, July 13, 2017 - 10:41

CaseID: 

11349

OtherReferences: 

CaseReferenceDepartmentApplicationTypeContactPerson
12/1/9/2-C46

ReferenceList: 

 
 

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