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How do we convert this into a resource?

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Page 1: How do we convert this into a resource?. Is this really the best the we can do with R200million?

How do we convert this into a resource?

Page 2: How do we convert this into a resource?. Is this really the best the we can do with R200million?

Is this really the best the we can do with R200million?

Page 3: How do we convert this into a resource?. Is this really the best the we can do with R200million?
Page 4: How do we convert this into a resource?. Is this really the best the we can do with R200million?

Biogas to Electricity

Page 5: How do we convert this into a resource?. Is this really the best the we can do with R200million?

Biogas powered vehicles, Sweden

Page 6: How do we convert this into a resource?. Is this really the best the we can do with R200million?

5.3 Million Natural Gas Vehicles (NGVs)

In 2005 there were over

140,000 buses, 100,000 trucks, 5,100,000 cars

Page 7: How do we convert this into a resource?. Is this really the best the we can do with R200million?

ScrubberWaste water

OFMSW

High Rate Algae Oxidation Ponds

Biogas

Anaerobic Digestion

Biomethane

Process

Water

Organic fertilizer

Sweet sorghum & biofuel crops

Horticulture and nursery

Bioprocess Plant for the extraction of oils, biodiesel, nutracueticals, metabolites & ß-carotene

Public Transport

Digested

sludge

Compost Tree Nursery & potting soil

Heat

Garden refuse

Industry

Solution:

Page 8: How do we convert this into a resource?. Is this really the best the we can do with R200million?

Garden Refuse82.2 tons/day

leafy fraction12.3 tons/day

woody fraction36.6 tons per day

ChipperGassifier

Composting

Abattoir Waste10 tons/day

Food Waste 17.7 tons/day(future)

Generator

Continuous Stirred Tank Reactor (CSTR)

Pasterurizer

Dewatering

Heat 2.1MWh

Sta

balis

ed S

ludg

e15

m3 p

er d

ay4

tons

/day

sol

ids

Pasterurizer

Sludge15m3/day

Grid (REFIT)& Industry BackupPower

Electricity1.2MW

mixed fraction33.3 tons/day

Waste Activated Sludge (WAS)2000 m3/day

Sludge Concentration

Concentrated Sludge403m3/day

Second Creek Waste Water 8000 m3/day

Upflow Anaerobic Sludge Blanket (UASB) Reactor for Domestic Waste Water

Sludge15m3/day

Supernatent1612m3/day

West Bank Waste Water8000 m3/day present15000 m3/day future Upflow Anaerobic Sludge

Blanket (UASB) Reactor for Industrial Waste Water

Sludge15-28m3/day

Vermi-composting

Sludge Concentration

Supernatent

Stabalised Sludge3-5.6m3/day

Sludge drying & storage

Mixing

Heavy Metals Testing

Pasterurizer

meets DAFF standardsfails DAFF

standards

Vermicastings

Vermi Tea

Aquaculture & chicken feed

Worm Biomass

Trickle Filter

High Rate Algal Ponds (HRAPs)

High Rate Algal Ponds (HRAPs)

Filtration

Reverse Osmosis

Plant

Municipal Mains

Pot

able

w

ater

Grade A Compost

Agriculture and horticultural

Agriculture and horticultural

Biogas

Biogas

Biogas

Agriculture and horticultural

Green scorpions

investigation

Disposal to landfill

Macerator

Macerator

Algal biomass

Storagefor industry

Humus tank

Page 9: How do we convert this into a resource?. Is this really the best the we can do with R200million?

10Ml/day wastewater diverted from hoodpoint marine outfall pipe requirements 4km of 160mm pipe & 150kW pumpset

2Ml/day waste activated sludge diverted from pipeline to hoodpoint marine outfall pipe, 800m of 160mm pipe no additional pumping

8Ml/day existing flows 2nd creek WW pump station, eliminate requirment for 220kW pump set

Page 10: How do we convert this into a resource?. Is this really the best the we can do with R200million?

Garden Refuse

30 000 tons per year or biomass resource going to waste

Page 11: How do we convert this into a resource?. Is this really the best the we can do with R200million?

Garden refuse

East London Generates 30000 tons per year (82.2 tons per day) of garden refuse at four Garden Refuse Transfer Stations (GRTS) which get transported to Roundhill Landfill.

• Divert 15% (4500 tons/a) of grass & fresh leafy fraction to biogas digester

• Divert 40% (12144 tons/a) of the mixed woody and leafy waste to co composting with digester sludge.

• Divert 45% (13356 tons/a) of the woody biomass to a 1.35MWe & 2.1 MWth gasifier CHP

Page 12: How do we convert this into a resource?. Is this really the best the we can do with R200million?

Closing the Rural and Urban Loop in a Zero Waste Economy

Job creation, food security, energy & fuel security, environmental protection, and nutrient beneficiation


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