Odor in Recycled Packaging Grades. Identifying the Cause and Finding the Solution, PaperCon 2016

Odor can be an issue in all grades of pulp and paper. The problem tends to be more in operations that use recovered paper rather than virgin pulps. This includes 100% recycled packaging mills. Odor problems will be in two main areas, product odor causing customer complaints or odor from the mill site causing complaints from neighbors.  Odors can be caused by a variety of mechanisms but they fall into two main areas, microbial and chemical. Along with odor in some cases the gases that cause the odor have safety implications.  

When dealing with an odor issue it is an important first step to clearly identify the source and/or cause of the odor. This presentation will discuss odor issues in 100% recycled packaging operations. The various odor causing mechanisms will be reviewed. The methodology used to identify the type and cause of odor will be presented.  

The solution to an odor issue will vary depending on the cause of the odor. In some cases a change in operation will help mitigate the issue, and in others an additive will need to be used. The various solution options will be discussed.

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