01 Nov Neoserve – Tyre Pyrolysis WML Application
Due Date: 06 December 2023
In terms of the National Environmental Management: Wast Act (NEM: WA), 2008 (Act No. 59 of 2008) as amended, and Chapter 6 of the Environmental Impact Assessment (EIA) Regulations, Government Notice No. R326 of 7 April 2017, as well as Section 21 of the National Environmental Management: Air Quality Act (NEM:AQA) (Act No. 39 of 2004), as amended, notice is hereby given of the intent to carry out the following activity:
DESCRIPTION OF PROJECT:
The proposed tyre pyrolysis plant activities to be undertaken at the Neoserve facility Located at 30 Fransen Street, Chamdor, Mogale City Local Municipality, West Rand District Municipality, Gauteng Province. In terms of the list of waste management activities that have, or are likely to have, a detrimental effect on the environment, published under NEM: WA in GN R.921 as amended, the proposed activities will trigger 4 Category A activities including, Activities (5), (6), (7), and (12):
5. The recovery of waste including the refining, utilisation, or co-processing of waste in excess of 10 tons but less than 100 tons of general waste per day or in excess of 500kg but less than 1 ton of hazardous waste per day, excluding recovery that takes place as an integral part of an internal manufacturing process within the same premises.
6. The treatment of general waste using any form of treatment at a facility that has the capacity to process in excess of 10 tons but less than 100 tons.
7. The treatment of hazardous waste using any form of treatment at a facility that has the capacity to process in excess of 500kg but less than 1 ton per day excluding the treatment of effluent, wastewater or sewage.
12. The construction of a facility for a waste management activity listed in Category A of this Schedule (not in isolation to associated waste management activity).
In addition, the proposed activities would also trigger sub-category 8.1 of Category 8 (Thermal Treatment of Hazardous and General Waste) and Sub-Category 4.21 of Category 4 (Metallurgical Industry) in terms of Section 21 of the National Environmental Managment: Air Quality Act (Act No. 39 of 2004) (NEM:AQA).
4.21. Metal Recovery- The recovery of metal from any form of scrap material by application of heat.
8.1. Thermal Treatment of Hazardous and General Waste – Facilities where general and hazardous waste are treated by the application of heat.
All installations treating 10 kg per day of waste.
Therefore, an atmospheric emissions license application shall also be followed thereafter.
About Project
Tyre pyrolysis is a method used to manage tyre waste. It is a thermal conversion of materials at high temperatures in an inert atmosphere. Tyre pyrolysis can be obtained through thermal or catalytic pathways.
In the thermal pyrolysis process, the high operating temperature and reaction time result in low oil quality. To overcome the difficulties associated with thermal pyrolysis, catalytic pyrolysis of the used tyre has been developed with the use of a catalyst. In fact, 60% to 80% of the used tyres can be converted through catalytic pyrolysis into pyro-oil, which is very comparable to diesel fuel.
The distribution of gas, liquid, and solid phase pyrolysis products and their physical and chemical characteristics are mostly influenced by temperature. Other important variables include the heating rate, the particle size, the feedstock composition, the pyrolysis time and tyre residence time, the carrier gas flow rate and volatiles residence time, the atmospheric pressure and type (including the presence of steam in the carrier gas) of the tyre, and the presence of a catalyst.
In South Africa, for instance, tyre pyrolysis plants have been manufactured to convert waste tyres into electricity. These plants have demonstrated the feasibility of producing products that can be profitably marketed2. The system produces a high-quality oil (CV 40Mj) for which a market exists. The variables that influence the formation of the oil are uniquely controllable, enabling the plant to produce a variety of fuel oils. The system also produces carbon-rich char of 76% for which a market exists.
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