The need for enzyme products in pulp mills
There is a vast range of enzymes and each type of enzyme is used in the pulp mill to achieve very specific objectives. There are different kinds of needs, ranging from DCM extractives reduction in pulp to improving bleachability / brightness and lowering of bleaching chemical requirement, reducing refining energy for high yield pulping such as APMP and BCTMP grades.
Specific types of enzyme products are used for specific objectives and in different areas of the pulp making process.
- DCM Extractives reduction in pulp produced from certain raw materials or for production of low DCM Extractives pulp for specific grades of paper.
- Xylanase based enzymes for unbleached pulp treatment to facilitate bleach boosting i.e. improved bleachability, reduced bleaching chemical requirement and to facilitate the achievement of higher brightness.
- Cellulase based enzymes for removal of residual chromophoric materials (lignin, degraded carbohydrates, extractives, metals and various oxidizable compounds). Remnants of these materials left in fully bleached pulp causes brightness/ whiteness loss and may cause brightness reversion.
There are other enzyme products used for reduction of refining energy in APMP and TMP grade pulping as well as for paper making process.
Dosage levels, feed locations, operating conditions vary based on product and objectives. Dosage levels typically range from 0.05 kg/ton to 2.0 kg/Adt pulp.
Amazon Papyrus has a range of enzyme products to meet specific objectives in the pulping area, as well as paper making areas such as controlling vessel picking, enzymatic conversion of starches, reduction of refining energy etc.
Our team of professionals would work with you to select the most appropriate products to meet your specific needs.