IMIESA Nov/Dec 2021

Page 25

WATER & WASTEWATER

Coastal DROUGHT-BUSTER

solution

The Eastern Cape is experiencing the worst drought in decades, and dam levels are at critical lows. There are increased calls for the rapid development and deployment of additional water resources. QFS has developed solutions to provide drinking water to drought-stricken coastal areas.

Both desalination and reuse can be used to tackle drought in smaller towns. The drought-buster solution includes the following: • 2 Mℓ/day desalination plant • 3 Mℓ/day wastewater reuse plant

2 Mℓ/DAY DESALINATION PLANT

3 Mℓ/DAY WATER REUSE PLANT

MONITOR FINAL WATER QUALITY WHY USE MEMBRANE TECHNOLOGY?

• Quick deployment • Smaller footprint • 80% chemical usage reduction compared to conventional methods • Fully automated system and continuous online water testing to ensure quality • Lower operating costs due to low chemical and electricity usage • Remotely operated • Reduced costs for transporting water and reduced water losses

SKILLS TRANSFER

• QFS can operate and maintain the equipment • Municipalities can provide candidates to be trained over three working years • It is recommended that the training extends to 5-10 years to ensure that the process controllers get adequately trained and are therefore able to fully operate and maintain the infrastructure

• Water produced exceeds SANS 241:2015 • Water quality is tested every millisecond by means of online analytical equipment • Alarms are triggered if the water quality does not adhere to the quality standards at any point • The plant will automatically shut down until corrective measures are put in place • The process controllers confirm the analytical data by taking samples every hour • A third-party, SANAS-accredited laboratory verifies these samples weekly and monthly

IMIESA November/December 2021

23


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Articles inside

Connected cities need to be secure

3min
page 41

Finding new homes for construction waste

3min
page 46

Spun poles for renewable energy distribution

2min
page 53

A concrete foundation for excellence

1min
pages 51-52

Leveraging Industry 4.0 for a post-Covid-19 recovery

6min
pages 48-49

The viability of eggshell powder as a substitute in concrete

2min
page 50

SABS awarded court order against trademark abuser

2min
pages 43-44

New developments in electronics prompt product updates

1min
page 45

Finding new homes for construction waste

4min
pages 46-47

Investing in people

3min
page 42

Connected cities need to be secure

2min
page 41

OPRC specialisation gains momentum at Mariswe

2min
page 40

AECI Much Asphalt wins in health and safety

2min
page 36

OPRC provides solutions to challenges encountered in road construction

6min
pages 38-39

Wayne’s superior-quality gumboots set the standard

2min
page 37

Municipal engineering at its best

10min
pages 30-35

Upgrading the Plankenbrug Main Outfall Sewer

5min
pages 28-29

Overstrand O&M contract sets the standard

6min
pages 26-27

Drought mitigation projects for Kouga Local Municipality

8min
pages 20-24

Coastal drought-buster solution

1min
page 25

2021 CESA Aon Engineering Excellence Awards winners announced

5min
pages 16-17

Deep erosion of a palmiet peat wetland

6min
pages 10-11

President’s comment

3min
page 7

Groundwater management and the community

7min
pages 12-13

The argument for a resource-based service delivery model

6min
pages 14-15

Infrastructure news from around the continent

4min
pages 18-19

Editor’s comment

5min
pages 5-6

Hall Longmore launches SA developed FBPE coating system

4min
pages 8-9
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