Wastewater Treatment Plant Design for Containerboard and Tissue Plants, 2023 PEERS Conference
Managing water usage in the paper making process is challenging, complicated and demanding. Several chemical, physical and biological factors are involved. How you design and operate it will also impact the sustainability parameters of the plant.
Many proven technologies are available and new possibilities also can be applied to minimize water consumption, reduce energy required and chemical usage. A well-designed and installed wastewater treatment plant in combination with dedicated internal and external loops will allow the paper mill to reduce and control operation costs and quality improvements.
In this paper we will be presenting design, experiences and results achieved in a water treatment plant for a containerboard mill making approx. 455,000 MT/year from 100% recycled fibers and a tissue mill plant designed for 45,000 MT/year using 100% virgin pulp and a combination of recycled fibers.
In both cases we have combined aerobic and anaerobic technologies to achieve the desired discharging parameters in combination with tertiary treatment to be able to recover as much water as possible. The target being to reach near zero water consumption.
TAPPI conference proceedings and presentations, technical papers, and publication articles provide technical and management data and solutions on topics covering the Pulp, Paper, Tissue, Corrugated Packaging, Flexible Packaging, Nanotechnology and Converting Industries.
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