A Review on Pulping, Bleaching and Papermaking Processes


  • Nidhi Sharma Department of Chemistry, Graphic Era (Deemed to be University), Dehradun, Uttrakhand, India
  • Bhawana Department of Chemistry, Graphic Era (Deemed to be University), Dehradun, Uttrakhand, India
  • R. D. Godiyal Paper Testing Division, Central Pulp and Paper Research Institute, Himmat Nagar, Saharanpur 247001, Uttar Pradesh, India
  • B. P. Thapliyal Paper Testing Division, Central Pulp and Paper Research Institute, Himmat Nagar, Saharanpur 247001, Uttar Pradesh, India


Raw Material, Chemical Composition, Pulping, Bleaching, Pulp and Paper.


This paper presents a concise overview of pulp and paper production process, chemical constituents of the paper
making biomass, pulping and bleaching processes. Processes related to raw material preparation, washing of
pulp, chemical recovery operations, stock preparation and papermaking are described. Significance of chemical
constituents of papermaking biomass such as lignin, cellulose, hemicellulose, extractives, ash, water solubility
and alkali solubility towards papermaking is explained. Reflections on different types of pulping processes such
as soda, soda-AQ and Kraft pulping along with the necessary reactions have been provided. Various sequences
of conventional, elemental chlorine free and total chlorine free bleaching along with use of enzymes in
bleaching is portrayed. In addition, status of different types of raw material used in Indian pulp and paper
industry is also presented.


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How to Cite

Sharma, N., Bhawana, Godiyal, R. D., & Thapliyal, B. P. (2023). A Review on Pulping, Bleaching and Papermaking Processes. Journal of Graphic Era University, 8(2), 95–112. Retrieved from https://www.journal.riverpublishers.com/index.php/JGEU/article/view/47