Mobile Toilet Septic Tank

A mobile toilet septic tank is a container system located beneath mobile toilets for collecting and treating excrement, aiming to address sanitation needs in scenarios without fixed sewage disposal facilities.

Basic Structure and Working Principle

• Structure: The core component is a fecal storage tank, typically made of polyethylene plastic (lightweight and corrosion-resistant) or fiberglass (durable but costly). The tank capacity ranges from 200 liters to over 2000 liters, suitable for different usage scenarios. It is equipped with an inlet connected to the toilet, an exhaust system to vent gases produced during decomposition, and some models are fitted with biological enzyme addition devices, cleaning ports, wheels, and other auxiliary structures.
• Principle: After excrement enters the fecal storage tank, solids settle at the bottom while liquids float on top. Microorganisms decompose organic matter, producing gases and a small amount of residue. Some products accelerate decomposition by adding biological enzymes or chemical agents. Regular cleaning of solid residue is necessary to prevent accumulation that could affect functionality.

Common Types and Material Selection

• Types:
  • Disposable Simple Type: Small capacity (about 200 liters), suitable for short-term events, and disposed of directly after use.
  • Reusable Standard Type: Equipped with cleaning ports and wheels, with a capacity of 500-1000 liters, commonly used in construction sites, parks, and other scenarios.
  • Advanced Functional Type: Integrated with dehydration or sterilization functions, higher cost, mostly used in high-frequency usage places like music festivals and sports events.
• Materials:
  • Polyethylene Plastic: Low cost and corrosion-resistant, the mainstream choice for small and medium-sized septic tanks.
  • Fiberglass: High strength and long lifespan, suitable for heavy-duty use but more expensive.
  • Metal (e.g., Stainless Steel): Significant strength advantage, but heavy and prone to corrosion, requiring surface treatment, and less commonly used.

Application Scenarios and Brands

• Scenarios: Widely used in temporary events, construction sites, outdoor camping, and other places without fixed sewage disposal facilities, addressing excrement treatment problems in short-term or mobile scenarios.
• Brands: Mainstream brands in the market include Zhankun, Yongpeng, Jinda, Ruiyao Environmental Protection, Gongxin Environmental Protection, Tianlan Outdoor, etc. Their products cover different capacities and functional requirements, allowing users to choose based on usage frequency, budget, and material preferences.

Usage and Maintenance Points

Avoid overuse to prevent rapid solid accumulation. Regularly clean the tank and check if the exhaust system is unobstructed. When adding biological enzymes or chemical agents, strictly follow product instructions to prevent damage to the tank or adverse effects on decomposition from overuse.