Leave Your Message
Next-Gen Environmental Engineering

Inflatable Dome Construction For Eco-friendly Soil Remediation Projects

Engineered high-containment air-supported structures integrating smart negative-pressure management, advanced VOC/odor filtration, and rapid deployment for sustainable brownfield remediation.

Specialized Enclosures

Key Air-Supported Remediation Systems

High-integrity membrane containment systems customized for contaminated site excavation, thermal desorption, and biological soil revitalization.

Commercial Landscape: The Paradigm Shift in Contaminated Land Management

Across the globe, rapid urbanization and aggressive industrial transformation have elevated brownfield redevelopment and hazardous soil decontamination to critical priorities for municipalities and industrial conglomerates alike. Former petrochemical complexes, metallurgical manufacturing sites, pesticide production facilities, and municipal gas plants often leave behind thousands of metric tons of soil severely laden with Volatile Organic Compounds (VOCs), Semi-Volatile Organic Compounds (SVOCs), polycyclic aromatic hydrocarbons (PAHs), and heavy metals. Traditionally, open-air excavation and uncontained remediation resulted in severe secondary pollution—fugitive toxic dust dispersion, noxious odor emissions drifting into densely populated adjacent communities, and rainwater leaching hazardous effluents into vulnerable underground aquifers.

In response to rigorous global environmental regulations (such as US EPA Superfund guidelines, EU Industrial Emissions Directives, and China's Soil Pollution Prevention and Control Law), inflatable dome construction has emerged as the definitive industrial enclosure benchmark. These air-supported architectural systems provide a fully sealed, column-free internal environment under constant negative pressure, eliminating fugitive emissions at their source while enabling uninhibited operation of heavy remediation machinery.

Massive Clear-Span Freedom

Spanning widths from 30m to over 150m without interior columns, granting full mobility for 40-ton excavators, trommel screens, and soil washing lines.

Total Negative Pressure VOC Capture

Dynamic PLC airflow regulation continuously draws contaminated air through multi-stage industrial carbon absorption and RTO scrubbers before release.

High Reusability & Circularity

Fast modular dismantling and zero foundation damage allows the same air dome structure to be relocated across sequential remediation zones seamlessly.

Deep-Dive Engineering Application Scenarios in Soil Remediation

1. Ex-Situ Thermal Desorption & Soil Washing Enclosures

Ex-situ direct and indirect thermal desorption setups generate intense localized vapor clouds consisting of vaporized hydrocarbons, mercury, and chlorinated solvents. By establishing an inflatable membrane dome over the pre-treatment stockpiles, feed hoppers, and screening units, operators contain all toxic vapors within a controlled micro-environment. The air dome's advanced aerodynamic interior eliminates stagnant pockets, ensuring high-volume negative air exhaust systems direct 100% of volatilized contaminants directly to centralized condensation and regenerative thermal oxidation (RTO) facilities.

2. Deep Brownfield Excavation in High-Density Urban Centers

Remediating legacy chemical sites located within residential city centers presents extreme public relations and health risks. Conventional rigid steel structures require deep foundation pilings that can puncture underground confining layers and mobilize contaminant plumes. Inflatable domes utilize surface anchor-beam connections or temporary ballast systems requiring minimal geotechnical disturbance. Within the dome, continuous air replenishment systems maintain internal air quality for excavator operators while negative pressure prevents even a trace of odor from escaping to nearby residential perimeters.

3. Biological Composting, Landfarming & Sludge Bio-Drying

Bioremediation and soil landfarming depend heavily on controlled ambient temperatures, moisture preservation, and forced aeration. High-performance PVDF/PVF architectural membranes feature exceptional solar reflectance and thermal insulation layers that protect active biological piles from torrential downpours, frost freezes, and extreme solar dehydration. The sealed environment enables precise oxygenation and off-gas bio-filter processing, accelerating hydrocarbon microbial degradation cycles by up to 45% compared to open-field landfarming.

Company Profile

About Us

Yifan Air Dome is a high-tech enterprise dedicated to innovative, eco-friendly air-supported membrane structures and integrated air dome building solutions. As a leading integrated service provider in the application of membrane structure technology across China, we cover the full industrial chain of R&D, design, manufacturing, installation and full-cycle operation and maintenance, delivering high-efficiency, energy-saving and low-carbon sustainable building space solutions for global clients.

With years of deep cultivation in the air dome and membrane structure industry, we adhere to the development philosophy of green low-carbon, technological innovation and quality priority, and strictly comply with industrial construction and production standards. Supported by standardized production techniques and abundant experience in large-scale project implementation, we professionally customize various air domes, including sports stadiums, industrial warehouses, environmental enclosures, cultural tourism venues and exhibition membrane buildings, which are widely applied in sports fitness, industrial storage, environmental dust prevention, cultural tourism scenic spots and public supporting facilities.

1 - Aerial view of Yifan Factory
Quality Precision & Standards

Enterprise Image & Production Workflow

Rigorous multi-stage fabrication procedures ensuring absolute gas tightness, high tensile resistance, and extended engineering life under hazardous environmental remediation conditions.

1. Select the customized membrane material

1. Select the customized membrane material

2. Deploy the membrane material

2. Deploy the membrane material

3. Lay the membrane material on the automated cutting machine

3. Lay the membrane material on the automated cutting machine and import the flat design drawings into the machine

4. Manually trim the edges of the membrane material

4. Manually trim the edges of the membrane material again to remove exposed fibers and ensure a secure weld

5. Cutting, Splicing, and Reinforcement Strips

5. Cutting, Splicing, and Reinforcement Strips

6. Workers arrange and weld using track-type high-frequency heat-sealing

6. Workers arrange the membrane materials according to the layout drawings and weld them using a track-type high-frequency heat-sealing

7. Small Hot Sealer Welding Rope Channel

7. Small Hot Sealer Welding Rope Channel

8. Manufacturing aluminum alloy clamps, door and window fittings, and inflatable pipes

8. Manufacturing aluminum alloy clamps, door and window fittings, and inflatable pipes

9. Check the product, pack it, and prepare for transportation

9. Check the product, pack it, and prepare for transportation

Future Technology Trends: AI-Assisted Smart Remediation Domes

As the remediation industry shifts toward intelligent digital twin integration, inflatable domes are no longer passive physical barriers. Modern environmental air domes are evolving into interconnected smart bioreactors and air purification hubs:

AI-Driven Real-Time Microclimate & Pressure Balancing

Contemporary air dome systems integrate arrayed PID (Photoionization Detection) sensors, continuous laser PM2.5/PM10 monitors, and differential barometric transducers. An automated AI core regulates frequency-converting blowers in real-time, maintaining a strict internal negative pressure envelope (-15 Pa to -50 Pa). Even during intense machinery ingress and egress via rapid-action industrial airlock doors, the intelligent system dynamically compensates airflow to guarantee zero fugitive escape of toxic VOCs.

BIPV Solar Integration & Low-Carbon Remediation Sites

With global commitments toward carbon neutrality, flexible thin-film photovoltaic (BIPV) layers are now being directly laminated onto the outer PVDF membrane surfaces. This enables the air dome to self-generate up to 60–80% of the operational electrical power required for inflation, internal LED lighting, and gas scrubber blowers, turning remediation sites into eco-friendly, low-carbon operational footprints.