CircleToZero* -TOWARDS ZERO EMISSIONS AND ZERO WASTE
CircleToZero is the global ANDRITZ initiative to achieve zero emissions and zero waste while creating sustainable financial growth for our customers. For pulp and paper customers it means eliminating unused industry side streams, turning them into new value-added products and achieving zero waste and zero emission production.
© ANDRITZ
© ANDRITZ
Opportunities for elimination, reduction, and re-use in and outside the mill:
Gaseous side streams | CircleToZero opportunities |
Nitrogen oxides | NOx reduction technologies |
Sulfur dioxide | SO2 removal technologies |
Odorous gases | Odorous gas handling and treatment |
Carbon dioxide | BioCO2 utilization with hydrogen to produce biomethanol |
Solid side streams | CircleToZero opportunities |
Dregs and Grits | Source of alkali Conversion into fertilizers by removing hazardous components |
Sludge | Conversion into pellets New product development |
Ash and Gasifier bottom ash | Purification and re-use outside the mill Gasifier bottom ash as new raw material |
Lime mud | Purification and re-use Source of alkali |
Liquid side streams | CircleToZero opportunities |
Filtrates | New strategies to handle filtrates Recirculation of purified filtrates Reduced fresh water usage that is aiming towards Zero liquid discharge mill |
Raw methanol | Purification and re-use in and outside the mill New revenue generation |
Condensates | Re-use of condensates Fresh water usage reduction |
Sulfate rich streams | Extraction of sulfate to reduce the fresh water usage |
Crude Sulfate turpentine | Purification and re-use outside the mill New revenue generation |
For a better tomorrow. FOR THE CHANGE.
© ANDRITZ
* Trademark of the ANDRITZ GROUP. For information regarding ownership and countries of registration, please visit www.andritz.com/trademarks
