International Business & Economy Introducing the EcoLoo, a fully sustainable toilet inspired by the poop-filled Mt....

Introducing the EcoLoo, a fully sustainable toilet inspired by the poop-filled Mt. Everest

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Malaysian entrepreneur and environmentalist Zuraina Zaharin collaborated with Swedish entrepreneur Imad Agi to launch the EcoLoo, a waterless toilet system that turns human waste into fertiliser

Mt. Everest has always been on every mountaineer’s must-conquer lists. It’s jaw-dropping and inspiring, and not just for the usual reasons. Malaysian entrepreneur and environmentalist Zuraina Zaharin used the world’s tallest mountain (and the mound of poop she encountered on it!) as inspiration for her business—a fully-sustainable toilet called the EcoLoo.
A joint effort with Swedish entrepreneur Imad Agi, the EcoLoo is a waterless toilet system that turns human waste into fertiliser. It is ideal for organic farming, being completely free of harmful germs that can lead to disease.

Photo: The inside of the sustainable EcoLoo toilet/EcoLoo Facebook

The poop problem

Zaharin, an avid adventurer and mountaineer, travelled to the Himalayas to face the imposing Mt. Everest in the early 2000s.

Photo: Zuraina Zaharin in the Himalayas in the early 2000s/EcoLoo Facebook

There was one problem threatening to mar her experience—where to poop? That was the question, one which many a mountaineer is familiar with.

“I was facing this problem: the toilet,” she explains. “It’s easy for men to do their business; they can just do it anywhere. But not for the ladies. We have to wait until we find some nice spot. Even then, I can’t do it. I just have to find the toilet.”

When Zaharin saw the toilet facilities provided on the mountain, she was distressed. What she came face to face with was literally “a mountain of poop”.

“The last toilet at Everest base camp is a pit latrine,” Zaharin said. “The smell, God knows… it’s so stinky.”

The Everest poop and waste problem is not a new one. With most people heading for the highest mountain in the world, the issue of human and plastic waste left on the mountain is a towering one.
In 2018, a local NGO tasked with the job of cleaning Everest base camp up removed 28,000 pounds of human waste during the climbing season. The astronomical amount of waste was then dumped in open pits, where it is at risk of infiltrating the water supply system.
The World Health Organization (WHO) reports that unsafely managed sanitation is extremely dangerous and can bring about a multitude of diseases. According to their data, WHO said that 4.5 billion people currently live in unsanitary situations.
The United Nations (UN) has noted that even flushing toilets can be a problem, potentially “increasing water stresses” in countries that do not have enough water supply.
The world uses 141 billion litres of fresh water every single day just to flush toilets. For perspective, that is six times the daily water consumption of the population of Africa.

“Water stress is the biggest crisis no on is talking about,” said Andrew Steer, the head of the World Resources Institute.

Inadequate sanitation has caused big problems all over the world, worst of all an estimated 432,000 deaths every year, according to the UN.

The sustainable solution

Zaharin was forever changed by her Everest poop encounter.
In 2012, she attended a business forum in 2012 where a Swedish man, Imad Agi, was speaking about an idea for a sustainable toilet.
Agi, an entrepreneur and environmentalist like Zaharin, was looking for investors willing to put money into creating a fully-sustainable toilet, specifically for locations with low water supply and poor sanitation.
It was a match made, if not in heaven, then on the highest place on earth. Agi and Zaharin went into business, co-founding the EcoLoo, a completely waterless toilet system that takes the human waste and makes it into safe and organic, ready-to-use fertiliser.

Photo: EcoLoo co-founders Zuraina Zaharin and Imad Agi/EcoLoo Facebook

The hardworking and passionate duo put their heads together, refining the toilet and taking it to market.

How it works

No water is used in the EcoLoo. It works by adding a microbe solution that breaks down human solids to the waste chamber. The microbes then turn the waste into “ashes”, a process that normally takes about three to four days.

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As for Liquid waste, Zaharin explained that it gets transformed into liquid fertiliser, which can then be extracted via an outlet.

EcoLoo’s claims are big—they say that their sustainable toilet uses less energy-intensive than a regular toilet (because there’s no waste water to separate and process), and apparently, doesn’t smell at all, thanks to bacterial processes that keep bad odours from growing in the tank.

The cost

The EcoLoo is priced anywhere from US$800 (S$1088). The microbe solution costs only US$60 (S$82) for a year’s supply and only needs to be topped up once a month.
The sustainable invention is not claiming to be the only waterless toilet around. Versions of it have been around for years—toilets that incinerate, freeze or compost human waste.
But Zaharin and Agi believe the EcoLoo’s low-energy appeal will take it far. It has already been given many awards and has sold over 2,000 units in 21 countries.
One of the most notable sites for the EcoLoo is the UNESCO World Heritage site in Petra, Jordan. Installed in 2016, the units apparently produced fertiliser that was later used in plant nurseries.

Tourists queue outside EcoLoo cubicles at Petra, Jordan. The UNESCO World Heritage acquired the units in 2016, with local media reporting that fertilizer produced by the toilets was used in plant nurseries.
Photo: EcoLoo toilets at Petra, the UNESCO World Heritage Site in Jordan/EcoLoo Facebook

Besides serving rural communities, the company has also branched out to designing luxury models and smaller units for transport and island holiday resorts.
But Zaharin has not forgotten about where the idea all began—at Mt. Everest. It is one of her goals to install an EcoLoo (or two!) at the base camp of the world’s tallest mountain. An earthquake in Nepal foiled her first efforts to get the EcoLoo up there in 2015. But Zaharin isn’t phased.

“Being an adventurer, I would never give up,” she says.


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