A Review of Phosphorus Removal Technologies for Pulp-and-Paper Wastewater Treatment Plants, 2018 PEERS 

Pulp and paper making is a highly water-intensive process, estimated to use as much as 60 m3 (15,850 gallons) of water per ton of paper produced.1 With that usage comes high volumes of wastewater that not only must be treated but must also meet increasingly more stringent water quality regulations. To meet these more stringent requirements necessitates new technology and potential redesign of existing wastewater treatment plants (WWTPs). To address those requirements, this paper will provide an overview of different chemical addition/removal strategies, physical tertiary treatments, and biological technologies used to reduce or remove phosphorus from WWTP effluent. Examples of each technology will also be presented. 

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