An old papermaking adage states: "Quality is made in the forming section. Money is made in the press section. Energy is used in the dryer section." Indeed, in non-tissue grades, once the sheet is formed, the purpose of the rest of the machine is to consolidate and dry the sheet without destroying what was "built" in the forming section. The press section is a key unit operation as it starts the process and can seriously impact the evaporative load in the dryer section.
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