How does a composting toilet work

Composting toilets are a great solution for people who want to go green!

Composting toilet - how do they work? How can you install one in your house? Where should you put it? How often does it need to be emptied, and what is the process of emptying it out like?

All these questions and more will be answered below!

How does a composting toilet work?

A composting toilet is a variety of dry flush toilet that uses the biological process of composting to handle excrement. It is a simple composting system, similar to those used in the garden, but for human waste.

They typically contain a vent system (sometimes known as an evaporation chamber) that exhausts air from the composting waste container to help reduce moisture content, and maintain a healthy compost and odor free space.

Self-contained composting toilets, also known as split system composting toilets, and central composting toilets are the two types of composting toilet systems - you can view all the different types of composting toilets here.

This method decomposes carbon material and organic materials, turning human waste into compost. The composting process is carried out by microorganisms under regulated aerobic conditions (primarily bacteria and fungus).

The majority of these toilets are referred to as "dry toilets" or "waterless toilets" since they do not require water to clean or flush.

In various types of composting toilets, a carbon supplement such as sawdust or peat moss is added after each use to aid in the breakdown of the solid waste. This technique produces air spaces that allow human feces to decompose aerobically.

This also increases the quantity of carbon and nitrogen in the air, which decreases the likelihood of odors.

A composting toilet is great for vacation homes, your own home, RV, cottages, and just about any other type of habitation!

How much does a compost toilet cost?

Composting toilets reduce water usage by up to 90% since they do not require flushing. They are also more environmentally friendly than traditional toilets because they do not produce sewage sludge that needs to be pumped out of the house or sewage system-they only produce compost!

They typically range from around $500 to over $1500 depending on the brand and model you opt for. However, you can DIY your own version for as little as $50.

This blog post will discuss what you need to know about the financial benefits of composting toilets before making a purchase, how much composting toilets cost and whether they are worth it from a financial point of view!

How Human Waste Can Be Used As Fertilizer

From plastic pollution to nuclear waste, waste is a major problem in the world today.

Although there are many types of waste to be concerned about, one type of human waste has not been given much attention, and that's waste produced from sewer systems.

This is typically referred to as sewage sludge, which is the solid materials removed from wastewater by a dewatering process such as centrifugation or filtration.

The two most common treatment methods for this type of sewage sludge are anaerobic digestion and aerobic composting.

Anaerobic digestion produces biogas that can then be burned for heat and power while aerobic composting produces humus, which is nutrient-rich compost material!

Read on here to learn more about the history and all the ins and outs of human waste as fertilizer.

The Pros and Cons of Composting: What You Need to Know

A composting toilet system is an eco-friendly way to break down organic material such as leaves, lawn clippings, plant debris, and food scraps into a nutrient-rich soil amendment for agricultural applications or mulch for landscaping needs.

Composting is a great way to reduce your carbon footprint while also producing an excellent fertilizer for plants. Composting can even be done in small spaces like your own backyard!

But before you start, there are some things you should know. Read on here to learn about the pros and cons of composting!

What to Do with Composting Toilet Waste

Waste from a composting toilet is made up of organic materials and must be disposed of properly.

First off, where should you dispose of composting toilet waste?

Composting toilets produce a lot less solid waste than traditional flush toilets because they use a natural decomposition process to break down the material.

This means that there is no need for plumbing systems or septic systems as would be found in other types of homes or buildings.

There are several options for disposing of this kind of organic matter, This can include:

Designated dump stations:

It's possible to take your composting toilet waste to a designated dump station and dispose of it there to be processed at sewage sludge or wastewater treatment plants.

If you have a designated dump station near your location, ask them about their protocol for loading. Some states require liquid added to solid waste and vice versa.


If you have a garden or backyard, another good option would be to use it as a disposal place for composting toilets. Don't mix the waste with other things before it's processed; that could potentially introduce harmful bacteria or pathogens into the composted material.

Organic matter like human poop can be turned into the soil by the use of worms, bacteria, fungi, etc. This is beneficial when used on plants and trees as human poop has rich nutrients as fertilizer.

Established compost pile:

A compost pile is the best place for decomposing solid waste to collect and mature. To allow for this process, the pile should be built over some bulking material, such as a bed of straw or hay, wood chips or sawdust or some other kind of natural cover. You can even chuck in some food waste, but check it's not too wet first.

You must use a compost pile with adequate aeration and moisture for aerobic bacteria decomposition, to ensure pathogen reduction in the waste material.

The heap should be located far enough away from your house or garden to retain sensible odors and must not be conditioned to use as ready-made potting soil.

How to Flush a Toilet Without Water

Are you able to flush a toilet without using water?

You might be shocked to learn that there is more than one option available. The idea is to utilize gravity to flush a toilet by filling a pot or bucket with water and utilizing it as an alternate source.

It's helpful to know how a toilet tank works in order to fully comprehend this issue.

When you flush, water is essentially held in the tank. Freshwater, often filtered to drinking water standard, is used to refill the tank while waste is discharged into a holding area. The process is repeated until the toilet is clean and ready to use.

Knowing this, you should be able to see why flushing with water usually works, yet flushing without water might be challenging at times.

Read on here for full insight into how a toilet actually flushes without using ANY water!

What are the best composting toilets?

There are many brands of composting toilets to choose from - the variation is so many, you will not be short of options!

Some of the most popular brands of composting toilet producers and manufacturers to choose from include:

Nature's head

This is by far the most popular brand for composting toilets, whether its for a camper van, a tiny house, your family home, or even an RV - Nature's head has you covered.


Air head is a composting toilet that offers convenience and odorless operation. It has two tanks, one for urine and another for solid waste.

The solids container can be used over 60-80 times before needing to be emptied! That should be enough for two people for a month.

Sun Mar

Sun mar is a world leader in providing eco-friendly toilet solutions.

Their toilets provide a environmentally friendly and stylish alternative to traditional toilets and costly septic system installations.

Sun mar is ideal for someone wanting a top of the range composter with the reassurance of a top name brand.

Separett Villa

Separett was founded with the goal of improving the lives of many people. A Swedish family-owned firm, they have been developing waterless toilet solutions for over 40 years with the goal of improving quality of life and making everyday living easier and more pleasant for everyone.