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DDS Cooking
DSS Cooking

CabTec provides fiberline equipment in the areas described below.   [中文]

CabTec offers two families of Kraft batch cooking systems

The Digester Steam Saver system (DSS) is designed for steam savings.  The Displacement Digester System (DDS) is designed for a higher steam saving than the DSS as well as adding chemical benefits for low kappa high strength fiber (extended delignification).  The following table is a summary of the systems offered as is:

bulletFrom the top to the bottom in increasing capital investment
bulletFrom the top to the bottom in decreasing operational costs
bulletFrom the top to the bottom in equipment addition so they systems can be upgraded at a future date (that is, all equipment is utilized from one to the next)

 

Product

Steam Savings

Washing in Digester

Cooking Chemistry

D S S    F a m i l y

DSS Type E

1 mton/odmt pulp*

 

conventional kraft

DSS Type T

1.1 mton/odmt pulp*

 

conventional kraft

DSS Type D

1.4 mton/odmt pulp*

one vacuum washer

conventional kraft

D D S   F a m i l y

DDS Model P

1.75 mton/odmt pulp

one vacuum washer

kraft extended delignification

DDS Model G

1.95 mton/odmt pulp

one vacuum washer

kraft extended delignification

* based on convention batch kraft cooking using 2.5 mtons of steam per odmton of pulp

DDS - Digesting Systems

We supply Displacement Digester cooking systems for hardwood, tropical hardwood, softwood and bamboo.  The Displacement Digester System (DDS) is based on the Beloit RDH process and is the only displacement digester system in the world with proven experience using bamboo as a furnish.

 

DSS - Digester Steam Saver Systems, DSS

We supply kraft conventional batch digester cooking systems for hardwood, tropical hardwood, softwood and bamboo.  The DSS is designed to save energy at a low cost.  This system does not offer the beneficial chemical effects of a true displacement digester system.

 

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