Continuous Emissions Monitoring Systems (CEMS) are used to measure flue gases from stationary sources at a wide variety of regulated industrial facilities, including power plants, petroleum refineries, petrochemical plants, waste incinerators, pulp and paper producers, and many others. The types of air pollution measured from these sources vary widely based on the industry and process, and many are regulated by government agencies around the world.
Procal´s analysers are used extensively in reporting and control applications in modern Biomass plants. The flexible and reliable instruments form the heart of the systems, enabling CO, NO2, NO, SO2, H2O, CO2, O2, dust and velocity to be measured.
Three Steps of CEMS:
1st Step: Gas Sampling
2nd Step: Gas conditioning and treatment
3rd Step: Measurement/Calibration
In first step, the function is to get sample gas and forward to 2nd step for treatment. During this step, it cannot block the probes and cannot result condensation of moisture. So a filter online back flushing should be equipped in this part.
The filters to be used: 1, Filter is used to ensure the stability of system and reduce the maintenance
2, Filtration Grade: usually 2 or 3 micron
Cooper Environmental's Xact® 640 has the unique ability to generate high time resolution metals measurement in stacks. This unique capability has the potential to qualify as a substitution for the combination of a Hg/ PM CEMs application as well as the potential for a pollution control system feedback loop that could result in the reduction of pollution control consumables. Our systems have been site certified for compliance measurements at hazardous waste incinerator and secondary lead smelter sites.
Nitric acid HNO3 is an important intermediate reagent for production of several important end products, such as fertilizers, explosives, dyestuffs/pigments, pesticides, pharmaceuticals, photographic materials, plastics, and synthetic fibers. At nitric acid manufacturing plants, the Gasmet™ FTIR Gas Analyzer can be used to measure several gaseous components from the process stream for purposes of process control. A single system can be used to measure the high levels of nitrogen monoxide NO and nitrogen...
The Environics Series Continuous Emissions Monitoring Calibration Systems (CEMCS) have been used in CEM vans and laboratories for over twenty years. They meet or exceed the performance requirements of the United States EPA 40 CFR Part 51 Method 205 Appendix M.
Our systems are custom built, computerized, mass flow controller based gas calibration systems which allow you to dilute a single high concentration cylinder of span gas to low levels for the calibration of gas analyzers.
The Procal 2000 emissions analyser is ideally suited to the harsh environments associated with Paper & Pulp Plants. The in situ, multi-component Continuous Emission Monitoring (CEM) system has an integrated auto-zero and calibration facility, thereby removing the need for intervention by maintenance staff under normal conditions.