Kraft paper (sulfate) pulp: pulp washing

Coarse pulp washing (BSW) influence can be seen as economy and the key working procedure of the factory environment load of the pulping process.By optimizing the coarse pulp washing process and improve black liquor solids content, factory can immediate benefits, including cleaner quality bleached pulp, and optimization of water, chemicals and energy consumption.

Use of chemical oxygen demand (COD) test (only indicates organic compounds) or standard dry solids or COD laboratory analysis of conventional methods, such as washing loss measurement, the effect is not satisfying.Proved that the content of total dissolved solids (TDS) is a reliable measure of washing efficiency, inorganic and organic part because it is to be considered at the same time, so you can quantify all washing solid (the actual washing loss).

Total dissolved solids content in the real-time control of coarse pulp washing

Download our application instructions for visa K - PATENTS ® SAFE - DRIVE refractometer PR - 23 - SD measurement techniques on how to deal with in all types of coarse pulp washing machine and washing process to measure total dissolved solids content needed to meet the key elements.The technology can provide:

Indication of total soluble solid content in the solution
Accurate concentration measurement of can washing liquid substances
Detection of lignin macromolecule organic matter
Is not affected by COD content changes caused by methanol measurement

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