Clean Inovation


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Sources are throughout us.

However not often can we consider water as a useful resource particularly when contemplating wastewater.

But for over 50 years, Veolia, a utility firm has been changing wastewater into consuming water in Windhoek, Namibia.

A tall order it could appear.

Nonetheless, come to think about it, water constitutes over 90% of wastewater.

If that’s the case, why can’t we go the additional mile to reclaim it?


Image this…

The primary wastewater remedy plant in Nairobi receives over 160 cubic metres of wastewater every day.

That’s 160,000 litres of wastewater every day.

This converts to over 58 million litres of wastewater yearly!!

After all this water is loaded with all kinds of pollution…

From microorganisms to fecal matter…

From dissolved compounds to suspended matter…

From metals to detergents…

There’s no scarcity of contaminants when contemplating wastewater.

However what can we do with the it after remedy?

It’s discharged into the encompassing rivers and streams…

These similar rivers and streams feed into our water reservoirs and thru the identical cycle of water remedy once more after someday.

If that’s the case, wouldn’t it make some sense to reclaim this similar water by treating it?

Wouldn’t it make extra sense to rechannel this recovered water for industrial amd home use?

What ought to occur to be able to make such an formidable transfer work?


Being essentially the most feared water pollution, effectively eradicating microorganisms from our water is central if we’re contemplating reuse.

Although chlorination appears to work for consuming water remedy, wastewater is an entire completely different ballgame.

By that, I imply that a number of disinfection levels have to be thought of for full removing of dangerous micro organism and viruses.

Extra R and D have to be geared in the direction of testing some strategies on this regard…

UV Disinfection
Silver Nanoparticles
Modified Activated Carbon…
Potassium permanganate and so forth…

Disinfection of wastewater is vital.

However so is decontamination from dangerous substances suspended and dissolved in it.


A technique of decreasing suspended matter from wastewater is thru the wastewater remedy course of itself.

Relying on the effectivity of the method, effluent from wastewater remedy crops could be additional purified from suspended and dissolved matter.

Although microorganisms is perhaps dangerous, some is perhaps helpful in degrading some suspended matter additional.

That is one technique employed in wastewater remedy.

Nonetheless extra strategies could possibly be utilized to fully degrade different dissolved and suspended substances.

The usage of metal oxides corresponding to titania, zinc oxide and magnesium oxide is gaining prominence on account of their sturdy catalytic exercise in opposition to some dissolved pollution.

The usage of adsorption can also be vital on this regard.

Adsorption is the power of a fabric to build up pollution on its floor thereby performing as a ‘filter’.

Helpful adsorbents in water remedy embody zeolites, silica, activated carbon, rice husk ash and so forth.

In different phrases, there are an entire vary of how potential innovators may use to recuperate water from wastewater effluent.


To ensure clear consuming water for all (a constitutional proper), innovators must roll up their sleeves and get to work.

Already the present water assets are overstretched.

So why not think about non-conventional assets corresponding to wastewater effluent?

Different nations (like Namibia) have finished it efficiently.

So can we.

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