Lesson 1Paper machine sections: formin, press, dryin, calenderin basicsDetails di main paper machine sections fi woodfree grades: formin, press, dryer, an calender. Explains dewaterin mechanisms, sheet consolidation, moisture control, an surface finishin, linkin settings to paper properties.
Headbox design and jet‑to‑wire ratioForming table drainage and retention aidsPress section loading and dewateringDryer section steam and hood controlCalendering impact on gloss and smoothnessLesson 2Common process instrumentation an control elements (sensors, valves, SCADA)Introduces key field instruments, control valves, an automation layers used in pulp an paper mills. Explains basic control loops, DCS an SCADA roles, an how instrumentation supports safety, quality, an efficiency.
Level, pressure, flow, and consistency sensorsControl valve types and sizing basicsPID control loops and tuning conceptsDCS architecture and operator interfacesSCADA, alarms, and data historian useLesson 3Stock preparation: refiners, screens, cleaners, mixin an dilution controlExplores stock preparation fi printin an writin grades, includin refinin theory, screenin an cleanin systems, mixin, an dilution control. Highlights impacts pon strength, formation, drainage, an machine stability.
Refining mechanisms and fiber developmentPrimary and secondary screening systemsCentrifugal cleaners and heavy reject handlingConsistency control and dilution profilingWet end additives and mixing strategiesLesson 4Water an steam balance in a paper millExplains how water an steam circulate through a paper mill, from intake an treatment to condensate return. Focus pon heat integration, specific consumption, pinch points, an impacts pon cost, emissions, an reliability.
Fresh water intake and treatment stepsProcess water loops and closure levelsBoiler house and steam generation basicsCondensate recovery and flash steam useWater, steam, and energy performance KPIsLesson 5Raw material handlin: wood logistics, debarkin, chippinCovers di front end a di value chain: wood procurement, transport, storage, debarkin, an chippin. Emphasizes chip quality parameters, bark handlin, an how raw material variability affects pulpin an paper quality.
Wood sourcing, species mix, and contractsLog yard layout and inventory managementDebarking technologies and bark disposalChipping systems and chip size controlChip screening, storage, and homogenizationLesson 6Recycled fiber handlin an deinkin basicsCovers sourcin, sortin, an preparation a recover paper, den deinkin principles fi graphic grades. Focus includes contaminants, unit operations, yield, brightness, an how deinked pulp quality affects paper machine runnability.
Recovered paper grades and specificationsContaminant types and removal strategiesPulping, screening, and cleaning stagesFlotation deinking and washing principlesDeinked pulp quality control and testingLesson 7Chemical pulpin fundamentals: kraft process an kraft recoveryIntroduces kraft pulpin chemistry an operation, includin cookin reactions, liquor cycles, an fiber properties. Explains recovery boiler, causticizin, an recausticizin, highlightin energy generation an chemical closure.
White liquor composition and active alkaliDigester operation and kappa number controlBrownstock washing and filtrate handlingRecovery boiler combustion and smeltCausticizing, lime kiln, and chemical balanceLesson 8Finishin operations: rewindin, cuttin, coatin alternativesDescribes finishin steps after di paper machine, includin reel handlin, rewindin, sheeting, an optional off-machine coatin. Addresses defect removal, roll quality, packagin, an how finishin tailors products to customers.
Parent reel handling and storage safetyRewinder operation and defect managementSheeting, ream formation, and packagingOff‑machine coating types and functionsFinished product inspection and labelingLesson 9Overview a uncoated woodfree paper production flowIntroduces di integrated process fi uncoated woodfree paper, linkin pulp supply, stock preparation, paper machine sections, an finishin. Emphasis pon material flows, key equipment, quality levers, an main cost an energy drivers.
Process block diagram and main unit operationsFiber, water, and energy flow interactionsTypical mill layout and logistics interfacesKey quality parameters and product gradesMajor cost centers and efficiency leversLesson 10Bleachin sequence concepts an environmental constraintsPresents bleachin objectives, sequences, an stage functions fi kraft pulps, along wid environmental constraints. Discusses ECF an TCF concepts, AOX reduction, chemical optimization, an effluent treatment interfaces.
Brightness targets and pulp cleanlinessCommon bleaching stages and notationECF, TCF, and oxygen delignificationChemical consumption and cost controlBleach plant effluents and AOX limits
