In the case of purified human feces, the main component is an acidic substance produced by fermentation at approximately pH 5–7.
Category | (Old) Daepump O·Drainage Package System | Characteristics | (Current) Daepump O·Drainage Package System | Characteristics |
---|---|---|---|---|
Tank Material | FRP (Fiber Reinforced Plastics) | Durability, corrosion resistance, strong Industrial waste (environmental pollution) Detection of human toxic substances |
Polypropylene (PP) | Durable, strong corrosion resistance Recyclable (prevents environmental pollution) No toxic substances to human body Specialized in acid corrosion resistance |
Tank Structure | Staff type Difficult to transport, install, and repair |
Separate circular type Easy to transport, install, and service |
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Tank Thickness | Top plate 8T / Body 7T | Top plate 10T / Body 8T | ||
Tank Inspection Hole | Not applicable | Applicable (for cleaning foreign substances) | ||
Tank Filter | Not applicable | Applicable (for cleaning foreign substances) | ||
Bolt/Nut | Plain Nut (SS400) | Rust present | STS (Stainless Steel) | No rust |
Gasket/O-ring | EPDM Gasket | Weak in corrosion resistance | Neoprene material gasket | Enhanced corrosion resistance |
Pipe Connection Type | Bond Socket Type | Cannot be detached | Union O-ring Type (DRF) | Detachable |
Tank capacity | Sewage discharge |
---|---|
350 | 100 or less |
700 | 300 or less |
1000 | 450 or less |
1400 | 600 or less |
2100 | 1000 or less |