ZIVILISATION 0
DEENESFR
Enter now

The Blueprint

Water & Energy

Ideal mixed system: nuclear power plants + renewables

In such a mixed system, nuclear power plants take on the role of a season-stable energy source. They supply electricity continuously in times of low renewable generation, especially in winter and during extended periods of low wind and sun ("Dunkelflauten"). This removes the need for large long-term storage, and the power grid merely takes on the task of balancing generation and consumption. On annual average, in such a system about half of the electricity demand can be covered by locally generated renewable energy, while the other half is provided by nuclear energy. What is decisive is that nuclear energy supplies precisely those amounts of energy that renewable sources physically cannot cover reliably.

An ideal energy system

Heat elegantly solved

Nuclear power plants + electricity surplus:

Heat supply, too, benefits from this system. Electricity from renewable sources and from nuclear power can be efficiently converted into space heating via heat pumps. Surpluses from the summer can be stored temporarily in thermal storage or used for industrial processes, while in winter a reliable supply without fossil fuels remains possible.

System stability

In summary, it can be said that renewable energies solve the energy problem in space, while nuclear power solves the energy problem in time. Only in combination does an energy system arise that is at the same time climate-neutral, supply-secure, space-efficient and technically realistic. Such a mixed system is not an ideological solution, but the direct consequence of the laws of physics.

Nuclear power plants deliver:

Renewables deliver:

Gen-IV / SMR reactors

The backbone for renewable systems

New reactor concepts of generation III+ and IV as well as small modular reactors can fulfill this role particularly well, since they have high safety standards and can be better integrated into existing power grids. They do not replace the expansion of renewable energies, but stabilize it physically.

Nuclear power plants deliver a lot of energy per area, constantly and independently of weather and season.

Only the combination of both systems yields a physically stable overall system.

Not only because of the energy, but to keep the water clean

Biogas - a small, safe biogas plant that utilizes human excrement and fits the self-sufficient overall system of the tiny house – without industrial complexity and without health risks.

1. Connection to the toilet

Instead of a classic dry separation toilet, a biogas toilet with separation is used:

2. Structure of the mini biogas plant

human excrement and kitchen waste require no chemicals for purification. The construction of a biogas plant is relatively simple.

3. Gas production & safe use

Gas production

One person produces approx. 30–60 liters of biogas per day. That is a sufficient amount of biogas for brief cooking, showering and heating. It is not much – but reliable and regenerative.

Safe use

4. Digestate – waste becomes soil

The remaining sludge is:

After post-fermentation, that is, after 6–12 months of post-storage, it is suitable as a soil improver and is ideal as fertilizer for trees and shrubs.

5. Integration into the overall system

The biogas plant complements the tiny house perfectly:

No connection. No removal. No "throwing away."

6. Hygiene & health

Properly operated, the system is low in odor, safe and proven, since such plants are already used in households worldwide.

Goal

The cycle would run again in its original paths. Human → food → excretion → energy → soil → food.

Achievable with a biogas plant

With the biogas plant, the tiny house becomes a complete material cycle. What the human gives off is not disposed of, but transformed.

Anaerobic digestion

Microorganisms decompose organic material without oxygen and thereby produce:

Energy gain + nutrient cycle, not maximum gas production.

Sewage treatment plants - resource-saving energy generation.

Through targeted conversion measures they can be developed further into efficient biomass combined heat and power plants. The basis for this is the energetic use of the organic substances contained in wastewater as well as the sewage sludge that accrues.

The central component of the conversion is the expansion or optimization of the digester towers. In these facilities, the sewage sludge is fermented under anaerobic conditions, producing biogas. This biogas consists mainly of methane and, after appropriate treatment, can be burned in combined heat and power units. Electricity and heat are generated simultaneously (cogeneration). The electricity produced covers a large part of the sewage plant's own needs, while the heat is used to operate the digester towers or to heat adjacent buildings.

In addition, further biomass sources can be integrated into the system, such as organic waste, fats or food leftovers from the region. These co-substrates increase the biogas yield considerably and improve the plant's economic viability. This requires adjustments to the reception, storage and dosing technology.

A further step in the conversion is the energetic utilization of the dewatered sewage sludge. It can be processed in special drying plants and subsequently used for heat generation in biomass boilers or mono-incineration plants. Modern flue gas cleaning systems ensure that all statutory environmental requirements are met.

Through conversion to biomass combined heat and power plants, sewage treatment plants develop from pure disposal operations into sustainable energy centers. They make an important contribution to climate protection, lower operating costs and strengthen the regional energy supply.

Basic idea of the conversion

Advantages of the conversion

Biogas production in digester towers

Clean water

So the question is not: "Without sewage treatment plants = chaos?" but: "What happens if we do not produce wastewater in the first place?" We prevent it from coming into being:

1. What happens to water when we no longer pollute it?

A portion can never be removed completely. Medication residues, hormones, microplastics and nitrogen surpluses remain in the water.

2. Greywater instead of wastewater

If sewage treatment plants fall away, there is almost only greywater from the shower, washbasin and kitchen.

Water that is clear, odorless and ecologically compatible. In many cases cleaner than today's rivers.

3. What happens to pathogens?

Excretions local, concentrated, closed. Biogas, compost and drying kill pathogens. No dilution effect, but also no distribution. Pathogens do not get into the water, but remain in the material cycle until they are biologically harmless.

4. How clean would rivers, lakes and groundwater be without sewage treatment plants?

In short: Significantly cleaner than today. Specifically:

Rivers

Groundwater

Ecosystems

5. What would NOT automatically be better?

Important for honesty: With high population density without discipline and a sense of responsibility, it does not work. Industrial wastewater must be treated strictly and separately. The transition phases would be critical, since it only works with education, responsibility and clear standards.

6. The actual change

The greatest effect is not technical, but ecological and cultural.

Conclusion

In a world without classic sewage treatment plants, but with separation instead of mixing, time instead of chemistry, biology instead of concrete, our water would be clearer, less polluted, ecologically more stable, closer to natural quality than today.

It would be almost perfect. It would be clean again, because it was never heavily polluted.

Starting point: Why sewage treatment plants are necessary today.

Water remains water...

Water is no longer a carrier of garbage. It transports nothing that we do not want to see again. If we no longer need sewage treatment plants, it is not because we ignore wastewater, but because we have stopped producing it.

...and nutrients, nutrients

With the biogas plant, the tiny house becomes a complete material cycle. What the human gives off is not disposed of, but transformed.

All chapters