

Sustainable By-Product Recovery Solutions
Sulzer’s advanced by-product recovery technologies enable industries to reclaim valuable materials from process streams and waste, transforming potential pollutants into useful resources. By utilizing integrated extraction and purification solutions such as OptimEXT™, Sulzer helps companies recover compounds like phenol, acetic acid, glycols, amines, and specialty solvents across sectors including chemical, petrochemical, and energy. These systems deliver significant economic and environmental benefits by boosting resource efficiency, minimizing waste, and reducing the need for fresh solvents.
Cut Environmental Impact
Turn waste streams into profit by recovering valuable chemicals for reuse
Value Creation
Turn waste streams into profit by recovering valuable chemicals for reuse
Flexible solution
Consistent recovery across feed concentrations from 0.1% to 50%
Your process goals
Lower the concentration of impurities and unwanted substances in process streams
Retrieve and reintegrate valuable chemicals for future manufacturing cycles
Reduce reliance on fresh solvents by reusing recovered materials
Main applications
Extraction of Phenol and acetic Acid from industrial wastewater for further utilization
Recovery of refinery and petrochemical amines such as MEA, DEA, and MDEA for process reuse
Salvaging glycols - Ethylene glycol, Diethylene glycol (DEG), and Triethylene glycol (TEG) from waste output streams
Recapturing solvents like DMF, NMP, DMSO, acetone, and toluene from residues and by-products
Isolating Cresol & Xylenol from sources such as Coal Tar & Wastewater for reuse and resource efficiency

Get in touch
Felix Feng
Global product line manager
Contact our expert for more information about Product Recovery and Purification Solutions.
Explore more applications of OptimEXT
Discover how OptimEXT tackles diverse separation challenges maximizing yield, enhancing purity, and improving efficiency across industries and processes.
Maximize product yield and purity in chemical, pharmaceutical, and specialty chemicals applications
Reduce operational costs and improving efficiency by cutting down on steam, electricity, and cooling requirements
Achieve efficient, selective separation overcoming azeotropes, thermal degradation, and poor phase separation.
Minimize hazardous impurities, reduce waste and emissions, and support green manufacturing goals
Reduce equipment footprint, simplify operations, and replace less efficient separation methods
Sulzer’s by-product recovery combines advanced extraction and purification technologies to reclaim valuable chemicals from waste and process streams, transforming potential pollutants into reusable resources
Typical recovered compounds include phenol, acetic acid, various glycols, refinery amines (MEA, DEA, MDEA), and solvents like DMF, NMP, DMSO, acetone, and toluene, as well as cresol and xylenol
By-product recovery minimizes environmental impact, cuts the need for fresh feed, increases resource efficiency, and improves overall profitability for industrial operations
Sulzer’s recovery systems serve chemical, petrochemical, refining, and multiple process industries where waste reduction and resource optimization drive cost and sustainability goals
The process uses modular batch platforms (such as EXCELOT™), advanced liquid-liquid extraction (OptimEXT™), crystallization, membrane separation, and film evaporation selected based on process needs

















