Comparison of Three Energy-Saving Strategies Based on Models Established for In Situ Gas Thermal Remediation of Contaminated Soil

<div>Flow diagrams of gas in ISGTR system in three energy-saving strategies: (a) off-gas burn-back mode; (b) heat-returning mode; (c) air-preheating mode.</div>

Geofluids

fig3

Figure 3

Figure 3: Comparison of Three Energy-Saving Strategies Based on Models Established for In Situ Gas Thermal Remediation of Contaminated Soil 