Tackling complex sheet production efficiency and effluent quality issues using advanced bioanalytical strategies, PaperCon 2016

Incoming water is the single largest component in the production of paper and related products. Contamination problems, due to ineffective water treatment, may not only manifest themselves on the machine, but also at the wastewater treatment plant. Freshwater microorganisms form biofilms that can lead to reduced efficiency and product quality on the process side of the mill operation and filter plugging, poor clarification, and effluent turbidity issues in the wastewater treatment plant. These organisms often go undetected using standard monitoring techniques, making it impossible to treat consistently. Therefore, the use of sophisticated monitoring strategies is required.

DNA analysis of complex communities is valuable in assuring the correct prevention and treatment strategies are implemented. The use of Next Generation Sequencing and quantitative polymerase chain reaction (qPCR) approaches to analyze DNA from complex microbial communities makes it possible to trace organisms to their point of origin, where appropriate chemistry can be applied to eliminate them. Confocal Laser Scanning Microscopy (CLSM) is used to obtain information about the distribution of organisms in a biofilm and their susceptibility to biocides. Advanced biomonitoring technologies provide information necessary to execute a comprehensive water management strategy and bring chemical and operational cost-savings, process efficiency, and confidence in treatment strategies to the mill.

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