PROCESS OF PRODUCING HIGH-GRADE CHEMICAL PULP
Patent Number/ Registration Number: 9154
Status of Application: Expired
Agency: Forest Products Research and Development Institute (FPRDI)
Field /Industry: Pulp
Brief Description/Features of the Technology:
A process of producing cellulosic pulps from the fibrous plant materials of abaca and banana comprising of fully digesting the material with potassium hydroxide at a percentage from 12 to 18 % of the moisture-free weight of the fibrous-materials charged, in a conventional pressurized digester in a liquor-to-material ratio of 4:1, the pulping reaction scheduled at an initial 30-minute period to raise the temperature from room to 160°C maximum and a subsequent 60-minute period of sustained digestion at the maximum temperature of 160°C.
Problem Addressed:
- Improve product quality
- Waste utilization
Advantages:
Higher quality of pulp a from abaca and banana
Inventors:
Jaime O. Escolano
Eduardo P. Villanueva
Calvin P. Estudillo
Olivia B. Tadena
Cresencia H. Ballon
Rosenda V. Visperas