... set of air and water regulations the Cluster Rules for individual mills in particular segments of the pulp and paper industry such as the bleached papergrade kraft and soda and papergrade sulfite ... the U. S. Pulp and Paper Industry 19 Table 2-5. Summary of Environmental Aspects of Pulping Processes Process Air Emissions Process Effluents Wastes, Residuals, or Byproducts Chemical Pulping ... demand is met by the use of biomass-based waste and byproduct fuels (e.g., wood, spent pulping liquors, chips, sawdust, bark). Despite its large use of biomass-based fuels, the paper manufacturing...