Mill practice report on Asia Paper Industrial Corporation Brgy. Cabuco, Trece Martires City, Cavite, Philippines. Special Topic: effects of refining on the physical properties of paper

Date

6-2015

Degree

Bachelor of Science in Chemical Engineering

Major Course

Major in Pulp and Paper Technology

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Ronniel D. Manalo

Restrictions

Restricted: Not available to the general public and to those bound by the confidentiality agreement. Access is available only after consultation with author/thesis adviser.

Abstract

The practicum was conducted in Asia Paper Industrial Corporation (APIC) located at Governor's Drive, Brgy. Cabuco, Cavite, Philippines. The training lasted for 240 hours. APIC is a paper company that produces writing grade bond and book paper of a wide variety of grades. Some of the common grades produced by APIC include 50/53 gsm, 70 gsm, and 110 gsm. A special topic was conducted which focused on the evaluation of refining on some physical properties of paper. Two sets of samples were collected from the storage chests before and after refining. The samples collected were formed into handsheets and tested for physical properties at the Forest Products Research and Development Institute (FPRDI). Freeness and fiber length distribution were also determined using the Canadian Standard Freeness (CSF) and Bauer McNett classifier, respectively. After refining, There was an observed decrease in the freeness from 450mL to 350mL. The distribution of fibers varied from being a mixture of long and short fibers to mostly short fibers. The results from the CSF and Bauer McNettclassfier are indicative of a decrease in the length of fibers or a cutting action employed by the refiner. The average values for the burst index, tensile index, tearing index, and folding endurance are 0.7 kPa-m²/g, 18.46 N-m/g, 4.92mN-m²/g, and 0.82 for the unrefined sample, and 1.24kPa-m²/g, 27.64 N-m/g, 6.09 mN-m²/g, and 3.06 for the refined sample, accordingly. A t-test analysis, at 5% of significance, on the results for the physical properties of paper showed that there is a significant increase in the strength properties (burst, tensile, tear, and folding endurance) of the refined sample compared to the unrefined sample.

Language

English

Call Number

LG 993 2015 E62 /B39

Notes

status: in process

loc: UPLB Main Library Cataloging Section

Document Type

Thesis

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