Wastewater biogas digester support system launched by Xylem

Xylem has launched the Flygt BIS 1 biogas support system specially adapted for the wall-mounting of submersible mixers in biogas digeters...

Apr 25th, 2016
Content Dam Ww Online Articles 2016 04 Flyght Mixers

SCHAFFHAUSEN, Switzerland –Xylem has launched the Flygt BIS 1 biogas support system specially adapted for the wall-mounting of submersible mixers in biogas digesters.

The installation system is designed to ensure process optimisation, reliability and safety – as well as holding the mixer in place throughout its use.

As the digestion process in biogas can vary depending on the input material, adjusting the mixer’s position is critical to ensuring stability and preventing crust build-up or sedimentation, the company said.

Xylem’s Flygt BIS-1 biogas support system, suitable for use with Flygt 4460 (1.3 meter propeller) and Flygt compact mixers, is fitted with a mixer guide bar which enables vertical and rotational movement (+/- 45 degrees) of the mixer from outside the closed digester, to direct thrust in the required direction.

BIS-1 biogas support system is suitable for use with new-build and existing biogas digesters.

Eilert Balssen, market manager biogas and agriculture for Xylem, said: Biogas digesters have a sealed cover which means accessing the tank to change the mixer position is difficult. The Flygt BIS-1 biogas support system enables operators to move the mixer on the guide bar from the outside of the tank.”

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