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Projects

Lake-Bottom Biogas Separators for Rwanda’s Lake Kivu

Project Overview

This project involved the design and fabrication of 17 stainless steel biogas separators, specifically engineered for underwater deployment in Lake Kivu, one of the world’s most methane-rich inland bodies. The equipment was delivered to Shema Power Lake Kivu Ltd., a key renewable energy player in East Africa.

These custom-engineered separators are installed on the lakebed to extract and separate methane-rich biogas trapped in deep sediments, enabling its safe capture and use for clean power generation. The project supports Rwanda’s national strategy for sustainable, decentralized energy supply while mitigating potential lake gas eruption risks.

Equipment Specifications

Equipment Name :

Lake-Bottom Biogas Separator

Industry :

New Energy – Biomass Energy (Biogas Utilization)

Specifications :

Φ2650 × 20/24 × 7500mm

Quantity :

17 Units

Material :

SA240 316L Stainless Steel

Client :

Shema Power Lake Kivu Limited. (Rwanda)

Key Features:

  • Fabricated from SA240 316L stainless steel for superior corrosion resistance in submerged, biologically active lake environments
  • Designed for long-term submersion with anti-sediment flow patterns and venting geometry
  • Welded to ASME standards, with full RT & hydrostatic testing
  • Modular design to enable staged barge-lifted installation
  • Delivered with full documentation: PMI, 3.1 MTCs, NDT reports, lifting lugs and anchor provisions

Project Value:

  • Extracts methane and CO₂ safely from lake sediment zones
  • Supports up to 56MW of renewable energy generation
  • Reduces risk of limnic eruption through active degassing
  • Showcases a unique fusion of environmental safety and energy recovery in fragile ecosystems

This landmark project illustrates our technical strength in delivering high-performance, corrosion-resistant pressure vessels for aquatic energy systems. Our expertise enables energy developers like Shema Power to transform natural gas hazards into sustainable electricity, setting a new benchmark for lake-based renewable energy solutions.

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Lake-Bottom Biogas Separators

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