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Plant more trees and fight deforestation!

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Plant more trees and fight deforestation!

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Especially São Paulo, Brazil have experienced a change patterns of rainfall after extensive deforestation. All over the world trees play an important part of the water cycle, both in watersheds and also far away from the water source.

Ivar Soares Urdalen, Rambøll.

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The 2014-17 Brazilian drought is a severe drought affecting the southeast of Brazil including the metropolitan areas of São Paulo and Rio de Janeiro. In São Paulo, it has been described as the worst drought in 80 years.

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Design treatment plants with Global & Sustainable Philosophies

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Design treatment plants with Global & Sustainable Philosophies

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Focus on simple, inexpensive design that can be implemented and maintained globally, especially in areas with limited access to electricity, resources, or technical expertise.

Examples of this technology in use are ~20 AguaClara plants in Central America and India.  AguaClara is a University project team that pairs with local authorities to provide sustainable water treatment technology that is: zero-energy, uses local materials & labor, and is maintained by local authorities.

Jennifer Jackson, OBG Part of Ramboll
jennifer.jackson@obg.com

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I am in love with water and energy and I think they are natural rights of everyone in the world.

As an environmental engineer, I have a dream to integrate water and energy processes by innovating new technologies and challenging the status-quo of the traditional industry, constantly. This idea pushes me to bring customer-focused, simple-to-operate, easy-to-maintain and inspiring technologies for all.

One of my ideas is about nitrous oxide: a powerful greenhouse gas and also oxidiser in rocket propellants. It is already an unwanted emission from WWTPs and I want to produce it by biological activities of WWTPs for energy. Then, where and how can we use this energy?

There are opportunities to dive in and I am curious how this can effect the UN 2030 goals.

Can Ersoy - ersoy_c@outlook.com
https://www.linkedin.com/in/can-ersoy-enveng/

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Water Usage strategy:

The most important strategy and consideration shall be followed to save water during the design is to avoid using potable water for irrigation or cooling use.

Treated Sewage Effluent (TSE) need to replace the use of the potable water for irrigation or cooing use.

Potable Network Design:

SCADA system

Central monitoring SCADA system is recommended for the Potable Water system. This system allows

operators to monitor and control assets remotely using a computer-based program. Generally, all the

equipments are to be connected to a SCADA system. In this way, the water authority may have the ability to monitor and also control their assets.

Typical activities undertaken with SCADA systems are:

· Monitoring levels and flows

· Operating valves

· Operating pumps

· Indicating system problems

· Displaying data trends.

Operators commonly use SCADA to monitor pump activity, tank parameters and the status of valves.

Monitor Meter Valve

To monitor the water consumption, we need to consider district water meters provided to measure the flow in each district or zone. By dividing the distribution network into a number of zones or district meter areas, the flow into each district can be regularly monitored. Over time, this practice makes it possible to establish an average consumption pattern of water at each district and thereby this enables the maintenance authority to detect the presence of any unusual flows, caused by unreported bursts and leakages or unauthorized use.

Another type of monitor meter is main water meter; electromagnetic meters at the pump discharge are provided to monitor and data logging of the total demand going for the complete development.

Suhair Majdalawi
S.majdalawi@ramboll.com

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Urban Wastewater Management Using Anaerobic Digestion Coupled with Algae Oxidation in Lagos City.

The process of Anaerobic Digestion treats wastewater and produces biogas that can be used to run gas pumps that pumps clean water from water boreholes back to locations that produced the wastewater. Algae oxidation further cleans up the wastewater by producing oxygen that clears the wastewater making it suitable for other domestic uses and disposal into the surrounding natural water bodies.

Its a Blue Economy and Circular Economy approach.

The Benefits includes:

Cleaning of urban wastewater. Provision of green energy (Biogas) an alternative energy source. Mitigation of climate change by burning up methane a global warming gas. Prevention of faecal related diseases such as Cholera and Typhoid . Improved public health. Water conservation by making wastewater suitable for reuse. Reducing pollution of underground and surface water. Reduction of Air pollution by eliminating stench from wastewater in drainages and Canals. Overall well-being of city dwellers and a healthy environment.

There is no competition in wastewater treatment in Lagos city . 96% of wastewater generated in Lagos city is not treated. The wastewater goes into septic tanks and open drainages, then to dirty canals and end up in Lagos underground and surface water such as the Lagos lagoon. 4% of the wastewater treated are done through cold weather systems that are poorly run by the state government. These cold weather systems are not suitable for tropics like Lagos city in Nigeria.

https://edition.cnn.com/2011/09/26/world/africa/nigeria-sewage-biogas/index.html

http://blogs.worldbank.org/nasikiliza/of-human-waste-and-water-cleaning-up-lagos-city

https://youtu.be/lm5ojayKm5g

https://www.youtube.com/watch?v=yL9uwTegryI

https://www.youtube.com/watch?v=x6Xh05kQNLk

https://www.youtube.com/user/olatunbosunobayomi

OLATUNBOSUN OBAYOMI
olatunbosun.obayomi@gmail.com
www.bioapplications.blogspot.com

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Recharging of Dried Bore Wells or reduced water level bore wells
by an Injection Well Method.
Also bringing back the fallen Ground Water Table back.