Purification of Organic Acids and High-Purity Solvent Recovery with Sulzer

Purifying organic acids such as acetic acid and formic acid while recovering high-purity solvents is essential in pharmaceutical, chemical, and specialty industries. Sulzer’s Solvent Extraction & Separation technologies provide efficient, energy-conscious methods tailored for these complex processes.

Leveraging decades of process expertise and advanced liquid-liquid extraction equipment like Kühni™ agitated columns, Sulzer effectively concentrates and purifies dilute aqueous carboxylic and sulphonic acids. Reactive extraction with selective amines further enhances recovery of higher acids.

Sulzer’s solutions also excel at removing impurities from solvents like DMF, NMP, and DMSO, enabling reuse and reducing fresh solvent demand.

These integrated processes ensure product integrity by operating at low temperature and with short residence times.

Typical applications span:

• Recovery and purification of acetic and formic acids

• Reuse of pharmaceutical-grade solvents

• Extraction of aromatic impurities from specialty chemicals

• Support for batch and continuous processing with EXCELOT technology

Enhance your product purity and sustainability with Sulzer’s advanced organic acid and solvent purification technologies.

Contact Sulzer’s experts for customized process design and implementation support.