Chuangke Mobile Toilet

The Chuangke mobile toilet is a mobile toilet facility that integrates innovative technology and environmental protection concepts, featuring resource recycling, eco-friendly design, and efficient energy supply.

1. Resource Recycling and Energy Self-Sufficiency
   Some Chuangke mobile toilets employ solid-liquid separation devices that use centrifugal force or filtration media to separate liquids from solids in waste. The liquid is treated through a multi-layer biofilm reactor, achieving water quality standards for urban miscellaneous water reuse as specified in the 'Urban Sewage Reuse - Water Quality Standards for Urban Miscellaneous Water Use', allowing it to be reused for toilet flushing. The solids undergo low-temperature pyrolysis dehydration, resulting in residues with a moisture content below 30% and a volume reduced to one-tenth of the original. These dry particles can be further used for biogas fermentation, generating biogas with approximately 55% methane content, which powers a micro gas turbine for electricity generation, creating a closed loop of 'waste-energy-equipment operation'.

2. Eco-Friendly Materials and Modular Design
   The outer shell and frame are constructed from lightweight composite materials with a modular design, offering high structural strength and weather resistance to adapt to varying outdoor climatic conditions. Their production and recycling processes have a lower environmental impact compared to traditional concrete building materials. Moreover, the modular design supports factory prefabrication and rapid on-site assembly, significantly shortening construction periods and reducing long-term land occupation and excavation damage.

3. Water Treatment and Material Recycling Technology
   The interior integrates a small-scale water treatment unit that enables flushing water to be reused for toilet flushing or green irrigation after physical filtration and biological treatment, achieving closed-loop water resource utilization. Solid waste is treated through aerobic fermentation with specific microbial agents, resulting in a significant volume reduction of the final product, which can be used as a soil amendment for surrounding greenery.

4. Hybrid Energy Supply Mode
   Photovoltaic panels are installed on the facility's roof to convert solar energy into electricity for lighting, ventilation fans, and the operation of small treatment equipment. When sunlight is insufficient, the system automatically switches to a reserve power source or connects to the municipal grid as a supplement, reducing reliance on the municipal power grid and enhancing independent operation capabilities.

5. Odor Control and Ecological Integration
   A two-stage treatment technology is employed, with a liquid-sealed valve installed beneath the toilet bowl that automatically closes after flushing to isolate odors. The exhaust duct is equipped with a photocatalytic oxidation module that uses ultraviolet light to activate the surface of nano-titanium dioxide, generating highly oxidative hydroxyl radicals that oxidize hydrogen sulfide into sulfates and ammonia into nitrogen and water, achieving an odor removal efficiency of approximately 95%. The appearance, color, and shape are designed to blend harmoniously with the landscape of parks or street-side green spaces. Some facilities feature an elevated base design, utilize surrounding planting troughs for vertical greening, or even incorporate rooftop greening to increase local vegetation coverage.