RECYCLED PAPER TECHNOLOGY An Anthology of Published Papers TABLE OF CONTENTS PREFACE rii Acronyms used in paper recycling Staff, Progress in Paper Recycling Environmental labelling of paper products Roland W. J. McKinney Future trends in the secondary fiber industry J. Rodney Edwards OfIice wastepaper: glut or what? Mary Cesar The status of state and federal laws affecting recycling Carol L. Raulston Tax incentives to stimulate interest in recycling Joanne T. Alig A short history of ~a~ermakingand waste paper processing equipment J. W. Couture BLEACHING Bleached pulps for printing & writing papers from old corrugated containers 40 X.T. Nguyen; A. ShariiT; P.F. Earl; R.J. Earner Bleached kraft pulp from OCC H.M. Bisner; R. Campbell; W.T. McKean Use of the term"b1eaching' in the context of virgin and secondary fibers: a clarification 57 Ira A. Weinstock CLOTHING Design considerations for paper machine clothing in secondary fiber applications John M. Hawes CONTAMINANTS Properties and control of stickies I Mahendra R. Doshi Common contaminants in recovered paper for newsprint manufacture S. Bingham Types of centrifugal cleaners Larry B. Moreland Washing vs. thickening David W. Westenberger Sticky detective work Sally Berben Lightweight sticky contamination in an OCC system Marie Phelps Hacker Quantification, control and retention of depositable stickies Mahendra R. Doshi Methods to quantify stickies - a mill survey StafT, Progress in Paper Recycling The recyclability of Post-itM brand notes in office wastepaper David W. Stegink Wax contamination in paper recycling: understanding wax chemistry and recycling waxed papers John G.E. McEwen A review of flotation deinking technology I hreen D. Ferguson Recycling of photocopied and laser printed papers Mahendra R. Doshi Flotation deinking vs. flotation clarification ! ' Mahendra R. Doshi What is the role of clay in flotation deinking? David W. Westenberger Enzyme deinking of black and white letterpress printed newsprint waste Duggirala Y. Prasad: John A. Heitmann; Thomas W. Joyce Recycling and deinking of old telephone directories Frank J. Sutman The role of dispersion within a deinking system i Neale Fetterly ! Degree of ink removal by deinking of different printing papers J. Blechschmidt; A.M. Strunz; A. Knittel A primer for surfactants used in deinking John K. Borchardt Deink market pulp properties - a mill survey Staff, Progress in Paper Recycling Continuous pulping of OCC and mixed wastes ,,' D.C. ("Chuck") Grantz How does one identify the type of resin in wet-strength paper and what pulping methode are available for it? Herbert H. Espy The chemistry of wet-strength broke repulping Herbert H. Espy Feasibility of recycling poet-consumer diapers John H. Klungness; Robert H. Seigfried Maintaining quality while increasing the use of secondary fibers Mahendra R. Doshi 8 Quality control of recovered papers ' Mahendra R. Doshi Various causes for the darkening of paper H.S. Dugal; Salman Aziz Organic residues from a flotation deinking and thennomechanical pulp newsprint mill Norman F. Pridham; Anthony Y. Yau Utilization of mill residue (sludge) Staff, Progress in Paper Recycling Environmental impact of recycling Tanwir Badar Saving forest resources through recycling Dean W. Einspahr Fibre deterioration from repeated recycling and paper recycling simulation model: executive summary Temanex Consulting Inc. The contribution of different types of fines to the properties of handsheets made from recycled paper J. M. Hawes; M. R. Doshi It's the water -- your key to recycled fiber quality Marc W. Brink vii Controlling freeeness in a 100% recycled board mill Terrance J. Coenen Stickie situation at Garden State William C. Andrews Contaminant challenges at Stone Container-Snowflake Mill Mark Rein Problems with stickiedcontaminants and some simple ways to improve with an existing system Terrance J. Coenen Contaminant control at Arkansas Kraft Miles Lacy; David Cawein MenashaTMpaper peanuts: an environmentally sound loose-fill alternative Kathy Kalz Using recovered papers in pencil making Richard L. Maine Why does a recycled sheet feel limp? Kate Cathie How does the inclusion of post-consumer fiber affect the permanence of paper? 294 Mahendra R. Doshi What is the effect of entrained air on the performance of hydrocyclones? Terry Bliss What is a quick way of distinguishing between a lightweight coated (LWC) groundwood sheet and a supercalendered (SC) groundwood sheet? Mahendra R. Doshi What is the appropriate procedure for handhseet preparation when evaluating optical properties of recycled pulp? Are we washing away part of our answer when using TAPPI Official Method T218 om90 or T272 om92? Don L. Scott How can you quantify the amount of calcium carbonate in ash? Mahendra R. Doshi; Kevin M. French Calculation of separation eff~ciency Mahendra R. Doshi Consistency - it's not always what it may seem David W. Westenberger AUTHOR INDEX SUBJECT INDEX viii .