Corrosion Monitoring Applications

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  • Category: Water & Wastewater ×

  • Subcategory: Corrosion Monitoring ×

Moisture Monitoring for Instrument Air & Compressor Systems

by Moisture Control & Measurement Ltd     based in Wetherby, UNITED KINGDOM

The presence of humidity in a blanketing gas for sensitive instruments can cause corrosion problems, rapid changes incalibration and loss of sensitivity. The presence of oil contamination in compressors can cause similar problems.

Headworks Odor and Corrosion Control Using Hydrogen Peroxide

by USP Technologies     based in Atlanta, GEORGIA (US) (USA)

Hydrogen Peroxide typically controls odors and corrosion at treatment plant headworks by direct oxidation of hydrogen sulfide (H2S) within the wastewater. In the direct oxidation mode, H2O2 is applied to the wastewater 5-30 minutes prior to the point where the odors are being released, generally as the wastewater line enters the plant boundary. The efficiency of hydrogen peroxide treatment depends upon the available reaction time, the level of iron in the wastewater (reaction catalyst), wastewater pH and temperature, and the initial and target levels of H2S odor. Under optimal conditions, effective dose ratios are 1.2 - 1.5 parts H2O2 per part dissolved sulfide, and can be reliably estimated through beaker tests. H2O2 + H2S → S0 + 2H2O Frequently, control of odors through the primary clarifiers is wanted. In such case, the mechanism of control is both direct oxidation of H2S (as it rises from the solids blanket), and prevention of odor generation (by supplying dissolved oxygen). Control is typically achieved with a booster dose of 1-2 mg/L H2O2 added to the clarifier influent. Higher doses or alternate modes of addition may be required in cases where: 1) hydraulic retention times are > 2-3 hours; 2) solids blanket depths are > 1-2 feet; 3) soluble BOD levels are > 200-300 mg/L; or 4) waste activated sludge is co-settled with the primary solids. 2H2O2 → O2 + 2H2O

Continuous emissions monitoring for cement industry

by Opsis AB     based in Furulund, SWEDEN

Process control and emissions monitoring in cement plants, can be a challenge due to the dusty and corrosive environment. OPSIS provides an accurate system that will operate with high performance and a minimum of maintenance.

Sialex Private Household Application

by Phoenix Ring Manufaktur UG     based in Erbach, GERMANY

Our products are installed on many industrial areas and in the private household. We have also experience with fluids other than water, which will receive more attention in the future. In the home “Scaling” and “Corrosion” of water pipes and appliances is not simply an inconvenience it is an expensive problem (replacing pipes and equipment (washing machines, showers, boilers etc.).

Microbial testing for metalworking fluids industry

by LuminUltra Technologies Ltd.     based in Fredericton, NEW BRUNSWICK (CANADA)

Microbial Contamination Results in Less than 5 minutes! Microbial growth in metalworking fluids presents a major problem. Storage tanks, recirculation lines, filters, and other equipment can become fouled through microbial proliferation and metabolic activity, which results in a myriad of problems. These problems include compromised product quality from microbially influenced corrosion (MIC), equipment and filter plugging, and health risks from bioaerosols. The best solution to these problems is early detection and treatment. Rapid detection is now possible through LuminUltra’s Quench-Gone Organic Modified (QGO-M) ATP test kit. This advanced test kit provides the user with an accurate measure of total microbial content in any metalworking fluid in less than 5 minutes.

Waste water treatment plants Air quality control by TRS MEDOR Online Odor Monitoring

by Chromatotec Group     based in Val de Virvée, FRANCE

ontext & Challenges Globally, the wastewater treatment is the first public health issue. Urban development leads to urbanization near waste water treatment plant and extension of sewerage network. These aspects induce to an augmentation of sulfur compounds (H2S, mercaptans and sulfides) which are very corrosive, odorant and toxic. To monitor this compounds online CHROMATOTEC® offers high meteorological solutions. Odors are very distinct air contaminants as they generate nuisances. The factors playing a role in the determination of odor annoyance are: odor concentration and intensity, frequency, appreciation, duration, synergy and location. CHROMATOTEC® proposes an automatic solution to well identify the origin and the level of odors.

Waste water treatment plants Air quality control by TRS MEDOR

by Chromatotec Group     based in Val de Virvée, FRANCE

Context & Challenges Globally, the wastewater treatment is the first public health issue. Urban development leads to urbanization near waste water treatment plant and extension of sewerage network. These aspects induce to an augmentation of sulfur compounds (H2S, mercaptans and sulfides) which are very corrosive, odorant and toxic. To monitor this compounds online CHROMATOTEC® offers high meteorological solutions. At the entrance of the waste water plants, where the waste water arrives, strongly smelling and polluted air is captured and neutralised by a chemical cleaning process called ‘’Stripping’’. The correct amount of chemical products needed to neutralise the polluted air has to be calculated.

Flow meters for the process control & manufacturing

by Sierra Instruments, Inc.     based in Monterey, CALIFORNIA (USA)

Sierra`s mass flow meters and controllers are widely used in the process control and manufacturing industries. From bulk gas delivery to cleaning to purging operations, Sierra`s mass flow meters and controllers offer the simplicity and robustness demanded in these applications. Our ability to handle corrosive gases, high flow rates and multiple gases with the same unit makes Sierra`s mass flow meters and controllers a tool-makers choice.

Flow meters for the semiconductor processing

by Sierra Instruments, Inc.     based in Monterey, CALIFORNIA (USA)

From bulk gas delivery to cleaning to purging operations, Sierra`s mass flow meters and controllers offer the simplicity and robustness demanded in these applications. Our ability to handle corrosive gases, high flow rates and multiple gases with the same unit makes Sierra`s mass flow meters and controllers a tool-makers choice.

Geotechnical Monitoring Systems for Health Monitoring

by Roctest - part of Nova Metrix LLC     based in Saint-Lambert, QUEBEC (CANADA)

The management of a geotechnical project requires a wide range of important information coming from the sensors, which are of vital importance for correct execution of construction plans and to refine soil models.

Boiler Water Testing / Cooling Tower Water Testing

by Myron L Company     based in Carlsbad, CALIFORNIA (USA)

Boilers and cooling towers share two major water related problems: deposits and corrosion. As steam is generated by a boiler or water evaporating from a cooling tower, dissolved minerals are left behind, increasing the concentration of these minerals. Additional minerals are introduced via the water added to makeup the water lost to steam/evaporation. Eventually, the minerals reach a level (or cycle) of concentration that will cause either loss of efficiency due to scale or damage from corrosion. This level can be determined by the Ryznar or Langlier indices and correlated to a conductivity or TDS range. Most people recognize problems associated with corrosion. Effects from scale deposits, however, are equally important. For example, as little as 1/8` of scale can reduce the efficiency of a boiler by 18% or a cooling tower heat exchanger by 40%!

Flow meters for the general research flow solutions

by Sierra Instruments, Inc.     based in Monterey, CALIFORNIA (USA)

Our instruments are widely used by original equipment manufacturers of gas chromatographs, mixing and blending systems and other pieces of analytical equipment. The mulitple gas capability and wide choice of flow controlllers-for high pressure, very low flows and corrosive gases-offer customers excellent application flexibility.

Chemical Industry Emissions Analysis

by Procal - Parker Hannifin Corp     based in Peterborough, UNITED KINGDOM

The inherent flexibility of Procal analysers enables the instruments to be configured to meet Customer’s specific requirements. Their capability to monitor gas concentrations at elevated pressures and temperatures make Procal products ideal for process applications in the Chemical Industry.

Moisture Monitoring for Liquid Benzene Feed Stock

by Moisture Control & Measurement Ltd     based in Wetherby, UNITED KINGDOM

Moisture needs to be measured in feed stock gases in the manufacture of polymers . For example, pre-dried benzene is fed in to a reactor containing hydrochloric acid – if the dryers are not operating properly moisture in the benzene promotes acid corrosion of the reactor and process lines. Several processes require water concentrations of specific values to optimise efficiency and yield; in such cases more sophisticated instruments are required.

Monitoring Raw Water Intake

by Turner Designs Hydrocarbon Instruments, Inc.     based in Fresno, CALIFORNIA (USA)

The Situation: Hydrocarbons in water intake used for municipal drinking water and desalination systems are commonly limited to 1 part per million. Problem: Naturally occurring organics in raw water are typically treated with chemicals. Total Organic Carbon (TOC) analyzers in the water treatment system can alert technicians when some type of organic material is present but cannot differentiate between natural organics, such as algae or leaves and hydrocarbons. Solution: A fluorescence monitor can be configured for sensitivity to hydrocarbons, with no significant response to other organics. The TD-4100XDC has the highest sensitivity to hydrocarbons in raw water, has a low cost of ownership, and can be modified with Teflon, Monel, and other corrosion resistant materials for sea water environments. Please visit http://www.oilinwatermonitors.com/applications-2/raw-water-intake for more information about this application.

Chemical Water Treatment for cooling and processing water

by Kurita     based in Ludwigshafen, GERMANY

An optimal heat transfer is the most important point in every water cooled process. Scale, corrosion and biofouling negatively affect the heat transfer. Therefore Kurita develops for cooling and process water systems customized solutions, based on the combined treatments of scale & fouling prevention, corrosion inhibition, and biocides.

Continuous emissions monitoring for chemical industry

by Opsis AB     based in Furulund, SWEDEN

Process control and emissions monitoring in a chemical plant is a challenge due to corrosive gases, high dust load, and high temperatures. To use an extractive system in this environment will demand a lot of maintenance.

Pipeline Monitoring Systems for Health Monitoring

by Roctest - part of Nova Metrix LLC     based in Saint-Lambert, QUEBEC (CANADA)

Pipeline management presents challenges that are quite unique. Their long length, high value, high risk and often difficult access conditions require continuous monitoring as well as an optimization of maintenance interventions. The main concern for pipeline owners comes from possible leakages that can have a severe impact on the environment and put the pipeline out of service for repair. Leakages can have different causes, including excessive deformations caused by earthquakes, landslides or collisions mobile objects, corrosion, wear, material flaws or third party intrusion.

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