Available Facilities - Pulp and Paper Research Institute

AVAILABLE FACILITIES

Fibrous Materials Testing

Complete proximate analysis of raw materials
Microscopic fibre analysis
Photomicrography
Chips and pulp classification
Pulping of different types: chemical, semi-chemical, chemi-mechanical, etc.
Chemical analysis of pulps
Oxygen delignification
Bleaching with oxygen, chlorine, hypochlorite, hydrogen peroxide and chlorine dioxide (Coming soon: Ozone)
Oxidative alkali extraction of different types
Beating / refining of pulp with Valley beater, PFI mill, Disc refiner etc.
Complete pulp evaluation
Paper testing of all types including zero span testing and hygroexpansion of paper

Surface sizing & coating

Surface sizing studies for evaluating different types of starch, additives, etc.
Optimisation of high solids pigment dispersion for coating colour
Particle sizing distribution tests on pigments with latest Sedigraph-5100 instrument
Pigment abrasion testing with latest Einlehner abrasion tester
Coating colour preparation, testing and application to paper using a metering bar coater at desired coat weights followed by supercalendering
Testing of coated paper including ISO brightness, colour, gloss, IGT printability, ink absorption etc.

Non-Fibrous materials

Black liquor analysis
Black liquor evaporation in a rotary vacuum evaporator and viscosity testing at different solid levels
Trace metal testing in black liquor and different process fluids and solids
Lime sludge analysis
Water and effluent analysis
Solid waste utilisation by vermicomposting

Instruments & equipment