Dissolved Lignin Transmitter
Accurate inline measurement of dissolved lignin in pulp suspension
The DLT-5500, Dissolved Lignin Transmitter, measures the dissolved lignin by use of an optical measurement technique. The inline sensor is applied for determining black liquor carry-over into bleach plants, black liquor solids in brownstock washing and oxygen delignification.
The transmitter is intended for inline installations and use at media temperatures in the range of 5 °C to 120 °C (16 °F – 248 °F) and a process pH of 2 – 4. The DLT-5500 is mounted through a ball-valve assembly in a stud and is fitted with a retraction system. It is rated for voltages of 100 – 240 VAC at 50 Hz / 60 Hz.
Sample temperatures in the range of 5 °C to 120 °C (16 °F – 248 °F) with consistencies of 0 – 12% depending on pulp type.