- Aquaflow Ltd., Finland
- Ausenco, Australia
- Jaakko Poyry Consulting AB, Stockholm, Sweden
- Moore & Associates, Atlanta, GA, USA
- Precision Energy Services, Inc., Hayden, ID, USA
- SNC-Lavalin, Montreal, QC, Canada
- Veolia Environmental Services, Pyrmont, NSW, Australia
- A.H.Lundberg Associates, Inc., Bellevue, WA, USA (Environmental safety system)
- ALGAS Fluid Technology System AS, Norway
- BDP Industries, Greenwich, NY, USA – (Dewatering Equipments)
- Bio-Nomic Services, Inc., Charlette, NC, USA – (Sewer cleansing, Sludge dewatering)
- EIMCO Process Equipment, Salt Lake City, UT, USA – ( Solid-Liquid Separation Equipment)
- FKC Co. Ltd., Tokyo, Japan – ( Screw Press & Rotary Screen Thickener)
- Meri Group of Industries, Germany (Effluent Treatment Plants)
- New Logic Research, Inc. Emeryville, CA, USA (chemical membrane cleaners)
- Paal Group (Paal, Faes, Comdec-Paal & Dicom), Germany (Baler, Compactors, Sorter and so forth.)
- Paques bv, The Netherlands – (Wastewater Treatment Package)
- Purac AB, Sweden (Water & waste water therapy vegetation)
- Synagro, Houston, TX, USA – (Biosolid Management)
- ChemTreat, Inc., Richmond, VA, USA– (Water Treatment Chemical)
- Linde Group Murray Hill NJ USA (Process Gases)
- Environmental Paper Blog
- Industry Council for Packaging and Environment (INCPEN), London, UK
- Institute of Scrap Recycling Industries, Inc., Washington, DC, USA
- Paper Recycling Information Sheet by Wasteonline.org.UK
- Pulp & Paper Health & Safety Association, North Bay, ON, Canada
Materials Used and Hazardous Wastes that Might be Generated
| Process/Operation | Materials Used | General Types of Waste Generated |
| Chemical Pulping | Acids/alkalis, lime, sulfurous acid, sodium hydroxide, sodium sulfide | Acid/alkaline waste |
| Bleaching | HCl, Chlorine, Chlorine Dioxide, NaOH, Sodium Hypochlorous, Cheltin, and Na-hydrosulfite | Toxic wastewater and wastewater therapy sludge, Acid/alkaline waste |
| Papermaking | Pigments, clay, filler, dyes, fibers, dyes, rosin, alum | Wastewater therapy sludge |
| Sizing and Starching | Waxes, glues, artificial resins, hydrocarbons, rosin, alum, AKD, | Toxic waste, together with wastewaters add sludge |
| Coating, Coloring, and Dyeing | Inks, paints, solvents rubbers, dyes, clay, TiO2 | Solvent waste Ink waste Paint waste, Ignitable waste, Toxic waste |
| Cleaning and Degreasing | Tetrachloroethylene, Trichloroethylene, methylene chloride, trichloroethane, carbon tetrachloride | Solvent waste, Toxic rinse water |
Some info and figures by www.paperrecycles.org
