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3 Energy Efficiency Measurement and Verification

4 Waste management in an emerging economy is a complex socio-technical challenge INSPIRING GREATNESS Namaste SA

5 Waste management in SA Limited resources Lack of environmental control systems and appropriate legislation Limited know-how, indiscriminate dumping Littering and scavenging Poor environmental and waste awareness of the general public Challenge of meeting high standards in service delivery with limited resources.

6 WROSE Waste Resource Optimisation and Scenario Evaluation model ZERO WASTE AFRIHUB WASTE AS A RESOURCE EMISSION CONTROL WASTE TO ENERGY GREEN CONCRETE GREEN BUILDINGS INDUSTRIAL SYMBIOSIS WASTE AND CLIMATE CHANGE BIOGAS MONITORING/TESTING BIOGAS MODELLING LEACHATE TREATMENT 5

7 What is the W.R.O.S.E model? Indicators of best solution GHG emissions for scenarios Costs, revenues Quantity of Waste Quality of Waste Definition of various scenarios 6

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9 WROSE Model Input Screen 8

10 GHG emissions reduction potential 9

11 Landfill airspace savings 10

12 Economic Analysis 11

13 Network of Universities in South Africa 12

14 UKZN and SANEDI-RECORD Partnership Co-ordinated project between UKZN, SANEDI and partnering Institutions to address the barriers of WTE by the W2E platform. Key gaps in research by the W2E platform have been identified such as: The need for proper waste stream analysis/ waste characterization studies Need for capacity development at municipal level 13

15 Objectives of Project To conduct information sharing sessions to identify and address knowledge gaps in the waste to energy sector. To identify best practice guideline for waste sampling and analysis To analyse and characterise municipal waste streams in order to determine amounts, seasonality and waste-to energy potential. To conduct skills development workshops for municipalities in order to facilitate capacity building at a municipal level. 14

16 Project Structure Literature review Workshops involving key players in the waste to energy sector to discuss new developments in the sector Gap identitifcation session with relevant stakeholders Information sharing and municipal capacity building relating to needs identified in the gap analysis Waste stream analysis/lab anaysis for waste characterization Input of waste data into WROSE model 15

17 Project Timeline 16

18 Facilities available at UKZN for Waste characterisation and Biogas testing Leco C:N analyser Agilent GC-MS Biogas analysis 17

19 Waste as a Resource present and future research STAGE And beyond Scope of the project is to develop innovative ways for the valorisation of waste as a resource, beyond the conventional techniques of recycling, waste-to-energy, composting and anaerobic digestion ORGANIC WASTE & GARDEN REFUSE Innovative use of garden refuse, pine bark and compost as carbon source for the bio-denitrification of high strength leachates/effluents Innovative use of biogenic waste/food waste for the bio-denitrifcation of landfill leachate in anoxic beds MINING WASTE AND BEREA RED SAND CONSTRUCTION AND DEMOLITION WASTE Innovative use of South African sands and Mining waste for the treatment of ground water in Permeable Reactive Barriers BIO-ROTOR for metal extraction, nitrate, sulphate and phosphate removal using Berea Red Sand and Red Mud Use of Construction and Demolition waste for roads construction Innovative use of waste fibers/pellets for construction of energy efficient buildings ENERGY CROPS ALGAE Use of Cassava for bio-diesel production Rehabilitation of landfills using energy crops Treatment of leachate using algae Experimenting with algae for energy production 18

20 Waste as a Resource Collaboration with Durban Solid Waste DSW PROJECT 1 & 2 Tertiary polishing potentials of different reed species and nitrate removal with garden refuse at the Lovu landfill (Durban) Waste management strategies for landfills and development of W.R.O.S.E PROJECTS 3 & 4 Waste reduction at Bisasar for greens and rubble Rehabilitation of landfills using energy crops PROJECTS 5 & 6 Effect of temperature on Landfill liners Use of bio-filters for landfill capping PROJECTS 7 & 8 Biogas pretreatment alternative fuels in vehicles Biogas production optimisation and AD plant at DSW landfills STRATEGIC FUTURE PROJECTS SUPPORT TOWARDS THE CREATION OF I-WARM 19

21 Anaerobic Digestion of Food Waste Partnership: UKZN-LTME- FGE-THRIP 0.5 MW (12 MWh) AD Plant on Howard College Campus to process tons of macerated food waste and food processing waste per day Emissions reduction = approx tons of CO 2 eq. per annum Digestate/compost material = approx. 95 tons per month Partnership: DubeTrade Port-UKZN-THRIP (Dti) 0.5 MW (12 MWh) AD Plant in the AgriZone to process tons of macerated food waste and food processing waste per day Emissions reduction = approx tons of CO 2 eq. per annum Digestate/compost material = approx. 95 tons per month 20

22 Waste-to-energy in rural SA Case study UKZN-WRC Project (k5/1955) UKZN-LOTTERY PROJECT for 20 small AD plants (Mkuze Game Reserve) Objective: improve living standards in rural households through integrated waste, water and energy sustainable technology solutions Integrating rainwater harvesting, livestock fodder production and biogas generation and energy efficient retrofitting in rural areas of South Africa 21

23 THANK YOU Dean and Head of School of Engineering University of KwaZulu-Natal, Durban, South Africa Tel: