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Process Water Analytics for Power Stations

Green and renewable energy sources like solar and wind power are making inroads in today’s energy market. Nevertheless, thermal power stations are still the backbone of generating electricity and process steam in many countries and industries.

Steam, Cooling, and Condensate: Water for Every Process Step

The energy source for these power stations can be coal, oil, gas, nuclear power, or green energy like biomass and geothermal energy. Thermal power stations work with a thermodynamic cycle in which pure boiler feed water is converted into the steam that drives the turbines for electricity generation. The steam can also directly be used to heat buildings or in industrial processes. Used steam is cooled down and forms liquid condensate. The condensate is transported back to the boiler in order to trigger the thermodynamic cycle again. Alongside the boiler feed water cycle as a core process, a thermal power station requires feed water treatment systems (reverse osmosis, ion exchanger), a cooling water system, a flue gas scrubbing system, and of course, a wastewater monitoring system.

Steam Systems

Flue Gas Scrubbing

Water Cooling Systems

Water & Wastewater

Why Knick?
Thanks to Knick’s many years of experience with process analytics in the energy industry and a wide range of Matching Products like flow-through fittings and compact transducers for DIN rails, as well as multi-purpose use of the same devices, the company is able to adapt simple, inexpensive solutions to the requirements of the measuring loop.

H2 [Ind] Application Description

Absatz [Ind] briefly: where can be used Knick products
Energy Industry Brochure


Overview of applications and product solutions in power plants

Related Applications

Flue Gas Desulfurization
pH value measurement in the pre-scrubber, the neutralization phase, and the lime scrubber as part of the flue gas desulfurization process in power plants.
Cooling Tower Monitoring
In a wide range of industrial sectors, cooling towers are used to dissipate process heat from cooling circuits. Mineral deposits and corrosion reduce their efficiency and lead to premature wear on plant parts.
Water Treatment Systems
Measurement of pH value, dissolved oxygen, and redox potential in various applications during the water treatment process of power plant wastewater.
Ion Exchanger Systems
Measurement of pH values, dissolved oxygen, and conductivity in boiler feed water, steam, and condensate in combined gas turbines in power plants.
Reverse Osmosis Systems
Reverse osmosis systems are used for water treatment in a wide range of industrial applications. The main application is industrial saltwater desalination.
Monitoring Steam Generators
Since steam generators fulfill application-critical functions and the cost of their downtime or replacement is extremely high, damage caused by wear should be prevented by monitoring water quality.
Combined Cycle Power Plants
Measurement of pH values, dissolved oxygen, and conductivity in boiler feed water, steam, and condensate in combined gas turbines in power plants.
Cooling Water Systems
Measurement of pH value, redox potential, and conductivity in cooling water, which has to be continuously treated with acid and biocides.
Boiler Feed Water Circuits
Measurement of pH values, dissolved oxygen, and conductivity as key parameters in the boiler feed water circuit.

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Matching Products

ARD50 Immersion Fitting | Modular | PP-H or PVDF | One Sensor
ARD50 Immersion Fitting | Modular | PP-H or PVDF | One Sensor
Product number:

ARD50

ARD75 Immersion Fitting | Modular | PP-H or PVDF | Up to three sensors
ARD75 Immersion Fitting | Modular | PP-H or PVDF | Up to three sensors
Product number:

ARD75

ARF200 Flow-Through Fitting | Stainless steel or Hastelloy C22 | One sensor | Process connection via cutting ring coupling
ARF200 Flow-Through Fitting | Stainless steel or Hastelloy C22 | One sensor | Process connection via cutting ring coupling
Product number:

ARF200

ARF201 Flow-Through Fitting | PP-H | One sensor
ARF201 Flow-Through Fitting | PP-H | One sensor
Product number:

ARF201

Protos II 4400 C Modular Multiparameter-Transmitter | Wide Sensor Selection | Corrosion-Proof Coating | 4-Wire | Broad-Range Power Supply
Protos II 4400 C Modular Multiparameter-Transmitter | Wide Sensor Selection | Corrosion-Proof Coating | 4-Wire | Broad-Range Power Supply
Product number:

4400 C

Protos II 4400X C Modular Multiparameter-Transmitter | Wide Sensor Selection | Ex | Corrosion-Proof Coating | 4-Wire | 24 V AC/DC Power Supply
Protos II 4400X C Modular Multiparameter-Transmitter | Wide Sensor Selection | Ex | Corrosion-Proof Coating | 4-Wire | 24 V AC/DC Power Supply
Product number:

4400 XC/24V

SE554 pH/ORP Sensor | Memosens | 120 mm | Ex | For very high ionic strength media
SE554 pH/ORP Sensor | Memosens | 120 mm | Ex | For very high ionic strength media
Product number:

SE554X/1-AMSN

SE555 pH Sensor | Memosens | 120 mm | Ex | PWIS-free | Sterilizable | For aggressive media
SE555 pH Sensor | Memosens | 120 mm | Ex | PWIS-free | Sterilizable | For aggressive media
Product number:

SE555X/1-NMSN-LABS

SE564 ORP Sensor | Memosens | 120 mm | Ex | For highly contaminated media with pressure fluctuations
SE564 ORP Sensor | Memosens | 120 mm | Ex | For highly contaminated media with pressure fluctuations
Product number:

SE564X/1-NMSN

SE571 pH Sensor | Memosens | 120 mm | PWIS-free | Ex | For demanding applications in the chemical industry
SE571 pH Sensor | Memosens | 120 mm | PWIS-free | Ex | For demanding applications in the chemical industry
Product number:

SE571X/1-NMSN-LABS

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Process Analytics

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Robust WA111 Retractable Fitting Made of Plastic for Highly Corrosive Operating Conditions
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Sensor Adapter with Lock Function Enables Safe and Thorough Cleaning
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Nov 2022

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Protos II 4400, Module

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Apr 2022

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New Stratos Multi E461N transmitter with Profinet
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Jan 2022

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Nov 2021

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Exhibition, Switzerland, Ilmac

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Feb 2018

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Apr 2017

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MemoRail Modbus

Powerful compact analyzer boosts performance while reducing costs
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