How Paper is Made

RECOVERY BOILER

At some paper 90% of IP's mills, recycled U.S. fiber paper and boxes supply comes (recovered fiber) LOGS from privately are used instead owned forests. of, or along with, wood chips (new fiber).

WOOD CHIPS DEBARKER

STEAM CHIPPER 1 2 3

IT STARTS IN THE FOREST THE RECIPE FOR PAPER SUSTAINABLY POWERING THE Making paper starts with responsibly managed forests. Logs arrive at the mill. They are stripped of bark PAPERMAKING PROCESS Our entire business depends upon the sustainability of and chipped. In addition to wood chips, making Nearly 75% of the energy used at our paper mills is forests, so we work with landowners every day to paper requires water, energy and chemicals. generated from bark and other renewable biomass advance responsible management practices and increase residuals. Boilers produce steam for turbines that make the availability of certified fiber. the electricity for motors and pumps.

DIGESTER

SLITTER Pulp is also used in diapers, Pulp mixture is 1% feminine hygiene products, pulp and 99% water, wipes, paper towels and tissue. most of which is FORMER cleaned and returned to the environment. WIRE PIT Lignin is what naturally binds wood fiber, called cellulose, together. PRESS SECTION

DRYERS BLEACH WASHERS TOWERS & WASHERS

REEL 6 5 4

WOUND UP AND TURNING PULP INTO A INTO THE PRESSURE COOKER CUT DOWN TO SIZE MASSIVE SHEET OF PAPER In the digester, wood chips are cooked with water, The paper is smoothed and wound into a gigantic, The pulp mixture now goes onto a wire screen that chemicals and steam, separating the wood fiber from a continuous roll that is then cut into smaller rolls. drains some of the water, forming a large sheet. The compound called lignin. This mixture is then washed to White rolls can be cut further and made into sheet moves onto a press, draining more water. remove chemicals and lignin, transforming it into pulp sheets for things like copy paper. Brown rolls are Finally, the remaining water is removed as the sheet that will become paper. If the naturally brown pulp will be used to make things like boxes or bags. passes over dryers, and the end result is paper! used to make white paper, it is then bleached. If the pulp will become paper for cardboard boxes or grocery bags, it isn’t bleached.

Paper and boxes can be recycled up to 7 times.

International Paper is one of the 7 8 largest users of recovered fiber.

PRODUCTS YOU DEPEND ON PAPER’S MANY LIVES The rolls or sheets are then packaged up and shipped to Made from renewable resources, paper is recyclable. our customers around the world, where they become Recycling your paper-based products helps us use products people depend on every day. We make boxes these resources again and again. that safely transport food to grocery stores and online orders to your front door. We make paper that sparks creativity and captures ideas.