
Safe, Reliable Solutions for HCl, Sulfuric & Phosphoric Acid
Bunney’s Inc. specializes in the design, installation, and maintenance of acid storage tanks for hydrochloric acid (HCl), sulfuric acid (H₂SO₄), and phosphoric acid (H₃PO₄). These tanks are essential for industries such as power generation, water treatment, mining, chemical processing, and manufacturing—where the safe handling of corrosive materials is a daily requirement.
Proper tank design, material selection, and maintenance are critical for ensuring safety, compliance, and long-term performance in demanding applications.
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Why Choose Bunney’s Inc.
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Certified expertise in hydrochloric, sulfuric, and phosphoric acid storage.
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ASME-compliant fabrication and welding for durability and safety.
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Turnkey solutions including design, installation, containment, and inspection.
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Lifecycle services: inspection, repair, and preventive maintenance.
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Proven track record across Arizona’s most demanding industries.
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Safety-first procedures aligned with OSHA/EPA requirements.
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Custom-engineered designs tailored to your process and site conditions.
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Advanced corrosion protection with high-performance linings and coatings.
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Rapid response and emergency repair to minimize downtime.
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Compliance-ready documentation for audits and regulators.
Challenges of Acid Storage
Storing corrosive chemicals presents unique engineering and operational risks:
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Corrosion and degradation when incompatible materials are used.
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Leaks or ruptures caused by weld failures or poor construction.
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Contamination from improper linings or maintenance practices.
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Environmental hazards from spills requiring costly remediation and reporting.
A professionally engineered and maintained tank helps facilities avoid these risks while meeting OSHA, EPA, and state environmental requirements.
Materials & Design for Acid Storage Tanks
Hydrochloric Acid (HCl)
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Best stored in HDPE, PVC, or FRP (fiber-reinforced plastic) tanks.
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Steel tanks are only used when lined with protective rubber or coatings.
Sulfuric Acid (H₂SO₄)
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Concentrated sulfuric acid (>70%) can be stored in carbon steel tanks.
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Dilute solutions require alloy steels, FRP, or lined tanks for corrosion resistance.
Phosphoric Acid (H₃PO₄)
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Typically stored in rubber-lined steel, stainless steel, or FRP tanks.
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Material choice depends on acid concentration and operating temperature.
Design features include:
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Secondary containment for spill protection
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Vapor venting and scrubber systems
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Corrosion-resistant gaskets and fittings
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ASME-compliant welded construction with strict quality control
Ready to plan your project? Get a site walk and budgetary estimate from our facility maintenance services team.
Maintenance & Safety Practices
To ensure safe operation and long service life, facilities should implement:
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Regular inspections & NDT (ultrasonic thickness, crack detection).
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Lining and coating evaluations to detect wear or breaches.
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Scheduled cleaning and neutralization to remove buildup.
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Cathodic protection for steel tanks to reduce corrosion.
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Compliance audits with OSHA, EPA, and state requirements.
Acid Storage in Arizona
Arizona’s power, water, and mining industries depend on reliable acid storage tanks. The extreme heat, dust, and UV exposure accelerate corrosion, making high-quality materials and coatings even more important. Professional installation and maintenance ensure safe, compliant, and uninterrupted operations in these sectors.
Acid storage tanks require precise engineering, corrosion-resistant materials, and strict adherence to safety standards. Partnering with an experienced provider like Bunney’s Inc. ensures long-term safety, compliance, and cost efficiency.
If your facility requires new acid storage tanks, inspection, or maintenance services, contact Bunney’s Inc. today for a tailored solution that safeguards your people, assets, and operations.
FAQs
1) What materials are best for hydrochloric acid storage?
HCl is typically stored in HDPE, PVC, or FRP tanks. Steel is avoided unless lined with protective coatings due to rapid corrosion.
2) Can carbon steel be used for sulfuric acid tanks?
Yes, for concentrated sulfuric acid (>70%). Dilute solutions, however, require lined or alloy tanks to prevent corrosion.
3) How often should acid storage tanks be inspected?
Routine external inspections should be performed annually, with internal inspections and NDT testing scheduled based on risk, concentration, and service conditions.
4) Do I need secondary containment for acid tanks?
Yes. Regulations require containment to capture leaks or spills, protecting workers, equipment, and the environment.
5) What are signs my acid storage tank needs replacement?
Frequent repairs, recurring leaks, thinning walls, or failed lining/coating inspections often indicate replacement is more cost-effective and safer than continued patching.
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