Stackable Biogas Septic Tank Underground Septic Tank with 50-Year Service Life for Villa Sewage Purification
Stackable Biogas Septic Tank
,50-Year Service Life Underground Septic Tank
,Villa Sewage Purification Septic Tank
Our stackable underground PE biogas septic tank is an eco-friendly sewage purification solution specially customized for villas, holiday homes and decentralized residential projects. Produced with high-quality modified polyethylene (PE) raw material by rotational molding technology, this buried septic tank adopts a scientific multi-chamber structure to realize anaerobic fermentation, solid-liquid separation and biogas generation simultaneously. It delivers stable sewage purification performance while producing usable biogas as clean energy, perfectly matching the demand of green and low-carbon private villa construction.
The stackable design is one of its standout advantages. Standard tank units can be stacked and combined flexibly on site according to the daily sewage flow and plot layout of the villa project. Compared with traditional concrete septic tanks, it is lightweight for convenient transportation and hoisting. No on-site pouring, long curing period or complicated formwork operation is required.
The reinforced tank wall structure effectively withstands soil pressure and light vehicle load. With excellent anti-aging, acid and alkali corrosion resistance, it achieves an ultra-long service life of up to 50 years under underground buried conditions, minimizing later maintenance and replacement cost.
Wastewater enters the tank and flows through multiple chambers step by step; solid sludge settles and ferments anaerobically, organic pollutants are decomposed, and the clarified effluent meets local environmental discharge standards. The captured biogas can be recycled for cooking and lighting, maximizing resource utilization.
| Product Name | Septic Tank / Sewage Treatment Tank |
|---|---|
| Material | HDPE + PP |
| Color | Black |
| Style | Underground |
| Type | Horizontal Sedimentation Tank |
| Sedimentation | 30 days |
| Place of Origin | Guangdong, China |
| Specification | Size | Wall Thickness | Weight (Full Set) | Material |
|---|---|---|---|---|
| 0.8 m³ | 1736 × 928 × 873 mm | 3.2 mm | 29 kgs | Polypropylene |
| 1.0 m³ | 1740 × 988 × 933 mm | 3.5 mm | 32 kgs | Polypropylene |
| 1.0 m³ | 1740 × 988 × 933 mm | 5 mm | 49 kgs | Polypropylene |
| 1.2 m³ | 1895 × 1050 × 988 mm | 4 mm | 47 kgs | Polypropylene |
| 1.5 m³ | 1960 × 1142 × 1082 mm | 4 mm | 54 kgs | Polypropylene |
| 1.5 m³ | 1960 × 1142 × 1082 mm | 5 mm | 62 kgs | Polypropylene |
| 1.5 m³ | 1960 × 1142 × 1082 mm | 7 mm | 73.5 kgs | Polypropylene |
| 2.0 m³ | 2356 × 1210 × 1180 mm | 5 mm | 80 kgs | Polypropylene |
| 2.5 m³ | 2750 × 1210 × 1180 mm | 7 mm | 129 kgs | Polypropylene |
Plastic PE household biogas septic tank for sewage treatment. Customized capacity matching is available upon request.
This product is supplied by Guangdong Wanquan Construction Technology Co., Ltd. Founded in 2011 and headquartered in Guangzhou, Wanquan is a high-tech enterprise integrating R&D, manufacturing, engineering design, installation and after-sales service in the field of sponge city and water environment treatment. With years of experience in stormwater management and sewage treatment projects, we are not merely a product supplier, but a one-stop system service provider for villa decentralized sewage projects.
Supported by our in-house technical team, we provide free site survey, customized capacity matching, pipeline layout design and construction guidance for every villa project. Our professional engineering team offers standardized on-site installation service, and complete after-sales tracking support throughout the whole project cycle. We maintain strict quality control from raw material inspection, moulding production to finished product testing, with all products passing relevant building material quality tests.
Apart from septic tanks, we can also support matching supply of rainwater collection tanks, drainage channels, inspection wells and other sponge city accessories to form a coordinated water management system for villas.
Suitable for detached villas, cluster villas, mountain resorts and suburban residential areas without access to centralized municipal sewer networks, this stackable PE biogas septic tank balances sewage compliance, biogas recycling and long-term durability. Choosing Wanquan means you obtain reliable products plus full-lifecycle technical and construction services. We help global clients build safe, eco-friendly and energy-saving villa sewage treatment systems.
Yes. We have our own factory, so product quality can be ensured.
Warmly welcome you and your friends to visit our factory.
The goods can be dispatched within 3 to 7 working days after we confirm your payment.
- Strict detection during production.
- Strict sampling inspection on products before shipment, with intact product packaging ensured.
We will provide detailed installation instructions. If necessary, we will send technicians to assist you.
FOB, CIF and CFR.
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