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Composting toilets

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Renewable Energy has for many years installed composting toilets in Denmark – despite of the nervousness and opposition of the Danish authorities.

Composting toilets remove the “black wastewater”, and safe the water for bad nutrient salts and reduce the use of our water resources.

The technology of the future.

The principle to separate waste at the source, is common know in the area of waste. Strangely, our culture mix the waste from humans – feces and urine – with lots of clean drinking water, and wastewater from industries and houses. Then we transport all the mixed wastewater -using a lot of energy – to waste water cleaning plants – where we one more time use a lot of energy, to try to clean the waste water for certain nutrients and material then we let the water go to our lakes, fjords and oceans. We call the composting toilet for the sanitary technology of the future because we separate urine and feces, so that it is possible to treat both best possible seen in the light of the environment.

What is a composting toilet?

A composting toilet is a toilet, where feces and urine is separated in the toilet chair. Afterwards you compost the feces (together with material as sawdust, grass, leaves which have lot of carbon, the urine is collected and spread on non-eatable crops in the growing season.

  1. When you compost the feces you use no water in the toilet, instead you add a little organic material with a high carbon as f.in. cut-up hemp fibers, straw, grass or alike. An average Dane produces 50 kg feces a year, but after composting, it reduces to very small amounts. A compost is a living organism, and when you work with a compost, you take care of it, to make the right conditions, for the composting process. After composting the feces over years, very little “soil-like” compost is left – you can spread beyond your roses, bushes to give value to the soil. To learn how to compost your own personal waste, when your body has taken the necessary nutrient, is a task, but not a big task, but it demands consciousness and care.
  2. Urine – in Denmark we pee around 500 liters urine a year pr. Person. The urine is rich of nitrogen and other nutrient salts. From the composting chair the urine is collected to containers with the capacity for storage of urine in wintertime (4 seasons)
    As cow urine, the human urine is spread very thin on growing non-eatable crops.

Vira diseases reproduce itself in a large scale in water environment. Much medicine cannot be “cleaned away” in the “cleaning plants”. Why do we use clean drinking water to mix together with our own personal waste???

The global perspective

In Denmark we can easily dig wastewater pipes in the underground. In our neighbor countries Norway, Sweden and Finland, they have the solid rocks under the houses and cities, why it has been so difficult to create all the drains and pipes to send everything mixed with water to the sewage plants. In Finland there are more than 400.000 toilets without water, here different types of composting / dry toilets is daily praxis for nearly 1 mill. People.

In India 70% of the population have no toilets (this is a special problem for the women, f.in. the girls cannot go to the school, if there is no toilet at the school). In USA MacDonald’s build composting toilet in the areas outside the public sewage systems. Also in the states there are a lot of home-build composting toilets. In Japan the universities have research teams lead by a professor in composting toilets. In Japan very many people live on little space and of course clean drinking water is a huge problem.

Many places in Africa the women spend the day walking hours and hours for water – at the same time the rich consumer consumes more and more water in their toilets.

At water flushing toilets has been a status symbol in the poor part of the world is absurd.

If you ever have stayed at a resort in Asia and seen how the coral reefs are spoiled by the water flushing toilets of the tourists, you might consider if you want to continue to flush water in your toilet, or rather be a good composter !

Underneath you see 2 pictures of a composting toilet building we build on a workshop in Kerala, India. There is an extra hole for washing water (no use of toiletpaper)

Vores-komposttoilethus-i-Sydindien

Our Composting Toilet Building in Kerala, India.

fra-Indien-vi-laver-3-separation-urin-faeces-og-vaskevand

We do 3 separation: urine, faeces and wash water.

Kompost

"Long live the composting toilet - when the end is good everything is good". The Danish artist Jytte Abildstrom

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Get an Offer from Renewable Energy

ECO-DRY is the ecological dry toilet made of porcelain. The perfect choice for highest comfort and maximum ecology.

Ecologic

EcoDry® is the most ecologic kind of toilet on the market, with every part developed to make it as
convenient, ecological, and hygienic as possible.
The porcelain is necessary to achieve optimal hygien,and is also the most sustainable material. Water flush is possible in the urine bowl, for those who want access to water.

Urine diverting

The urine bowl has a water flush for those who have acess to water. When you push the button it flushes about 0,1-0,2 litre water, and together with the urine it leads to a can or tank of your own choice. If there is no acess to water, you can flush manually with a cup of water. No chemicals are needed. It is also possible to attach a big can of water to the toilet, to use as flush water. And it is possible with no water for flushing urine as well.

How it works:

The urine sep from the feaces which makes it possible to achieve odeur free waste, and to be able to use the the urine as fertilizer at non-eat-able growings. The feaces falls down to a barrel of your choice, where evaporates and dehydrates. You emtry it in an outdoor composting container – for further composting. A barrel of 80 litre, usually lasts 3 months (normal family). When emptying the barrel it weighs 10-20 kilo

oebro-toilet(1)

EcoDry.

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EcoDry.

ecodry-med-maal(1)

EcoDry with measures.

EcoDry-toiletstol-set-lidt-fra-siden-uden-toiletbraet(1)

EcoDry toilet chair, a little side view without toilet board.

EcoDry-toiletstol-set-ovenfra-uden-toiletbraet(1)

EcoDry toilet chair, top view without toilet board.

EcoDry(1)

EcoDry.

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