waste acid recovery

Sustainable Waste Acid Recovery: Turning Industrial Liability into Resource Value2026-6-29

Every year, industrial facilities across the globe generate millions of tons of spent acid as a byproduct of steel pickling, metal finishing, chemical synthesis, and surface treatment operations. For decades, the default response has been neutralization—dumping lime into acid-laden wastewater to reach a “safe” pH, then dealing with the mountains of toxic sludge that follow. […]