Description

Flow measurement of waste water

Requirements

  • Insensitive against scaling

Description

Level measurement in seperator

Requirements

  • Process control

Description

Sludge level measurement

Requirements

  • Immersionprobe

Description

Flow measurement of pre clarified waste water

Requirements

  • Insensitive against scaling

Description

Level measurement at sludge thickner

Requirements

  • Process control

Description

Dosing of oxidant, flocculant and other chemicals

Requirements

  • Low maintance requirements
  • No drift

Description

Flow measurement of pre clarified waste water

Requirements

  • Insensitive against scaling

Description

Sludge level measurement in sedimentation

Requirements

  • Immersionprobe

Description

Quality measurement of clarified water

Requirements

  • Low maintance requirements

Description

Level measurement of overflow channel

Requirements

  • No maintanance

Description

Flow measurement of preclarified waste water

Requirements

  • Process control

Description

Level measurement of sludge thickner

Requirements

  • Process control

Description

Sludge level measurement in sedimentation 2

Requirements

  • Immersionprobe

Description

Flow measurement at sludge thickner

Requirements

  • Process control

Description

Quality measurement of clarified water

Requirements

  • Low maintance requirements

Description

Level measurement of overflow channel

Requirements

  • No maintanance

Description

Level measurement of equalization tank

Requirements

  • No maintanance
  • High moisture

Description

Flow for reuse or preflooder

Requirements

  • Local CT requirement

Description

Quality measurement for sludge conditioning

Requirements

  • Low maintance requirements

Description

Level measurement of treatment tank

Requirements

  • No maintanance
  • High moisture

Description

Level measurement of filtrate tank

Requirements

  • No maintanance
  • High moisture

Description

Flow measurement of filtrate

Requirements

  • Process control

Description

Analyzer house for FGD water treatment plant

Requirements

  • Complete system ready for operation
  • Process control

Overview

FGD wastewater treatment in hard coal and lignite-fired power plants

Process control

Flue Gas Desulfurization (FGD) wastewater from solid fired power plants is often saturated with calcium sulphate, while containing both metals and chlorides. The process steps of treatment must be adapted to the particular wastewater and often consist of chemical treatment, flocculation and clarifiers and filtration. The water can be reused in the process or further be polished for higher requirements.

Especially in these processes with sedimentation a reliable measurement of the sludge level and sludge profile is essential for a safe clarifier performance and an efficient use of flocculant. With the OPTISENS TSS/ MAC and OPTISYS SLM different analysers and systems of the for TSS interface and profile measurement are available beside a range of rugged and corrosion resistant instruments for flow, level, pressure and temperature measurement.

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