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Industrial Waste-to-Energy:
ENN Modular Gas Turbine Clusters for Shaanxi Zinc Smelting Operations

This innovative on-site energy project converts industrial waste gas into clean electricity and recoverable thermal heat, improving energy efficiency while reducing waste and emissions.

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Shaanxi Zinc

Industrial Waste-to-Energy for Smelting Operations

Commissioned in March 2023

Captures electric furnace tail gas that was previously wasted and converts it into onsite power and useful heat for raw material drying.

National-level Green Factory Recognition

Eliminated reliance on traditional boilers, reduced emissions, and helped earn recognition as a National-level Green Factory

High Energy Demand vs Massive Gas Waste

Zinc smelting requires significant power while also flaring large volumes of usable exhaust gas. This creates a strong opportunity to recover waste gas and convert it into reliable onsite power.

Strict Emission Limits in Regulated Zones

Industrial facilities with intensive thermal drying requirements must operate under strict and highly regulated emissions standards

Low-Calorific-Value Combustion Technology

High-reliability turbines designed to burn low-grade metallurgical tail gases safely, stably, and efficiently

Electricity Generation with Direct Thermal Recovery

High-temperature turbine exhaust is routed directly into raw material drying beds, enabling simultaneous electricity generation and thermal energy recovery for maximum system efficiency

4× Modular ENN EGT2 Turbine Units

High-efficiency power generation assets operating in a parallel cluster configuration

Direct-Exhaust Ducting Infrastructure

Specialized thermal recovery systems capture turbine exhaust heat and deliver it directly to raw-material drying beds for improved energy utilization and process efficiency

900,000
NM3

Equivalent Natural Gas Saved

High Financial Returns

Via Zero-Cost fuel

2.94
Million kWh

Annual Electrical Supply

Fully
Automated

Unattended Operations

Lower Energy Cost

previously wasted gas into low-cost onsite energy. This reduced electricity costs and lowered fuel expenses for raw material drying

More Reliable Operations

Automated ENN EGT2 microturbine array replaced labor-intensive boiler operations with a cleaner, low-maintenance system. The parallel-unit design supports stable power and heat output with minimal manual oversight

Resilient Behind-the-Meter Power for AI Data Centers

This project shows how modular turbine clusters can support reliable behind-the-meter power for AI data centers. Multiple units can operate in parallel, so one unit can be serviced while others continue supplying power.

For AI infrastructure, this helps reduce maintenance downtime, avoid utility grid delays, protect project schedules, and provide more stable power for mission-critical workloads.

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