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Acid-free rust conversion + Nano anti-carbonation for long-term protection

To address the swelling caused by acrylonitrile, which leads to fiberglass detachment and tank cracking, a three-tier protection system is implemented for collaborative reinforcement, ensuring long-term anti-corrosion performance and structural safety.

This case adopted acid-free rust conversion technology and water-based nano hyperbranched anti-carbonation repair technology, solving the persistent problems of steel bar corrosion and coating peeling in petrochemical cooling towers, and achieving long-term protection.

In-situ non-acid rust conversion, self-repairing long-term anti-corrosion. Effectively reduces the frequency of condenser maintenance, decreases the risk of sudden failures caused by corrosion, while enhancing overall system operational stability and energy efficiency performance.

Using non-acid rust conversion technology combined with high-performance topcoat to carry out anti-corrosion repair of the NGL recovery condenser, ensuring long-term operation of the equipment.

To address seawater corrosion, an insitu repair using hyperbranched nanomaterials and nonacid rust conversion was implemented. Costs were reduced by 80%, service life extended by 5–8 years, and postrepair inspections confirmed intact conditions.