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Veolia Sievers analyzer
Total organic carbon (TOC) monitoring for controlling condensate return water
Date: 2025-09-01Read: 0
A chemical manufacturer aims to better manage the use of water and energy,I hope to have a deeper analysis and understanding of the quality of condensate return waterThe manufacturer wants to supplement and strengthen the pH and conductivity measurement methods currently in use, in order to better make decisions on whether to recycle or discharge the reflux condensate.If the water quality monitoring system can quickly detect pollutants, especially those with extremely low concentrationsFactories can make more confident decisions about recycling or emissions,Thus optimizing water system management and improving process efficiencyAlthough pH and conductivity measurement methods are effective in detecting ion pollutants in water, they still have significant limitations in detecting organic pollutants, especially at low concentrations.
The Total Organic Carbon (TOC) analysis method can detect all natural and synthetic organic compounds, including compounds that are difficult to detect by pH and conductivity measurements.The TOC analysis method can measure the comprehensive parameters of organic pollutants and is a powerful detection methodIt can detect all compounds that can reduce the quality of condensate water and accelerate system corrosion. TOC analysis method for usersProvide valuable information on water leaks, pollution trends, deviations from optimal process conditions, etcThe pollutants in chemical plants mainly include process chemicals, volatile organic compounds (VOCs), cleaning agents, solvents, oils, treatment chemicals, resin extracts, etc. These pollutants may be sulfonated, halogenated, nitrogen-containing organic compounds that decompose into corrosive ions or organic acids under high temperature and pressure in steam systems. The pH and conductivity measurement methods cannot effectively detect the above compounds before they decompose, while the TOC analysis method can quickly and effectively detect their presence.
Sievers®M5310 C TOC analyzer
The Sievers M5310 C TOC analyzer adopts UV persulfate oxidation technology and sensitive and stable Sievers membrane conductivity detection technology. Membrane conductivity detection technology can measure the oxidized organic compounds (such as CO) in liquid phase2While other types of TOC analyzers use Non dispersive Infrared (NDIR) detection technology to measure CO in the gas phase2ThereforeThe Sievers M-series analyzer (including Sievers M5310 C) is a TOC analyzer that can detect non-volatile and volatile organic compounds without the need for a carrier gas in standard operating modeThe membrane conductivity detection technology perfectly meets the critical needs of this global chemical manufacturer.
Sievers M5310 C online TOC analyzer,
Detection range: 4 ppb -50 ppm
This global chemical manufacturer has installed the Sievers M5310 C TOC analyzer to determine whether to recycle or discharge condensate return water. If the condensate return water meets the quality specifications, it will be stored in a system water storage tank in the ultra pure water system at the production site. The recycled condensate will then be further processed and mixed with make-up water when needed. If the condensate return water does not meet the quality specifications, it will be discharged into the wastewater collection system to protect the ultrapure water system from contamination.
This chemical manufacturer has successfully installed Sievers TOC analyzers in its factories in Europe and Asia, and has now decided to conduct a similar technology upgrade assessment for its factory in Texas, USA. They started usingSievers M5310 C Online TOC AnalyzerConduct trial operation.
After successful trial operation, the Texas factory began using the Sievers M5310 C TOC analyzer to monitor various condensate return positions. Compared with the previously used online TOC analyzer, the Sievers M5310 C online TOC analyzer has its advantagesEasy to use stands outAnd it has the following additional advantages:
Low maintenance cost and easy to maintain
Quick analysis time is only 2 minutes
The limit of detection (LOD) is 4 ppb
Only need to calibrate once every 12 months, and no carrier gas is required
Low amount of built-in reagents, harmless reagents, and sustainable use for several months
Low concentration measurement stability at ppm and sub ppm concentrations
Early detection of process leaks or trace level pollution can help protect equipment and products, accelerate user decision-making speed, and greatly save production costs and time. PH and conductivity measurements cannot detect certain compounds, while the Sievers M5310 C TOC analyzer can effectively detect all organic pollutants and volatile organic compounds in the production process.This analyzer provides users with an extremely reliable detection solution due to its low detection limit, extremely low maintenance requirements, stability, and accurate low concentration analysis capability.
The monitoring of condensate return water is crucial for optimizing water and energy management as part of the factory's continuous technical improvement plan. In this case study, the factory installed Sievers M5310 C online TOC analyzer at each condensate return position, thereby enhancing water quality monitoring capabilities. This added capability enables factories to monitor process changes faster and more comprehensively, and protect the ultra pure water steam system.The factory has greatly strengthened water quality control through the fast response, high sensitivity, low maintenance requirements, and convenient operation of these analyzers.