Fixed Vs Portables

Fixed Vs Portables – What is Better in the Wastewater Industry?

Posted by Rhys Redrup

Fixed Vs Portables – What is Better in the Wastewater Industry?

Introduction

Wastewater treatment involves eliminating impurities from wastewater or sewage before it reaches aquifers or natural water bodies such as rivers, lakes, estuaries, or oceans. Since pure water only exists in chemical laboratories, the distinction between clean and polluted water depends on the type and concentration of impurities and the water’s intended use. Generally, water is considered polluted when impurities make it unsuitable for specific purposes like drinking, swimming, or fishing. While natural factors can affect water quality, “pollution” usually refers to contamination caused by human activities. Water pollution primarily occurs when contaminated wastewater enters surface water or groundwater, highlighting the importance of wastewater treatment in controlling water pollution.

Gases to be aware of…

The key gas hazards in wastewater treatment plants include methane, hydrogen sulfide, and oxygen deficiency (low oxygen levels). Methane and hydrogen sulfide are generated during the decomposition of organic materials present in incoming waste. These gases can accumulate, displacing oxygen to dangerous levels or, in some cases, leading to explosions if an ignition source is present.

Although these three gases are the primary concerns, other hazards also exist. Chemicals used in water treatment and decontamination, such as ammonia, chlorine, chlorine dioxide, and ozone, pose additional risks.

Furthermore, workers should remain vigilant about toxic or explosive gases that may result from industrial chemicals spilled or discharged into the waste system by local industries.

Portable Gas Detection

Wastewater facilities prioritising employee safety often invest in portable gas detectors due to their key advantages:

Enhanced Safety

Modern portable gas detectors safeguard workers by providing clear action messages like “Evacuate” or “Wear a Respirator,” helping them respond effectively during emergencies. Advanced detectors can also share gas data, notify colleagues of danger, and include lifesaving features like panic buttons and alerts for high gas levels or immobility.

Improved Efficiency

Portable detectors streamline operations by automating data collection, capturing more alarm information than manual methods. This provides managers with a clearer understanding of plant safety while reducing costs by preventing accidents and minimising risks.

Low Maintenance

Modern detectors simplify upkeep with docking stations that automate charging, bump testing, and calibration. Subscription-based services further reduce downtime by predicting maintenance needs and providing replacements before devices fail.

image of multiple fixed point gas detector heads.

Fixed Gas Detection

Fixed gas detectors are essential for safety in wastewater treatment plants, offering continuous monitoring of hazardous gases throughout the facility. These systems provide key benefits that enhance safety, efficiency, and cost-effectiveness.

Continuous Monitoring

Fixed gas detectors deliver 24/7 monitoring at critical points, such as confined spaces and chemical storage areas, ensuring consistent safety coverage. Unlike portable devices, which depend on workers carrying them, fixed systems monitor high-risk zones even when unattended, reducing the risk of undetected leaks or buildups.

Customisable Detection

These detectors can be configured to monitor specific gases like methane, hydrogen sulfide, or chlorine, addressing unique facility needs. Many systems also integrate sensors for environmental factors like humidity and temperature, giving managers a comprehensive view of operational conditions to enable proactive safety measures.

Cost-Effective for Large Facilities

Fixed systems are a cost-effective choice for larger plants, reducing reliance on multiple portable detectors and the labour for manual monitoring. Built to withstand harsh environments, they require less frequent maintenance and replacement, cutting long-term expenses while ensuring reliable safety coverage.

Recommended Products

Our Fixed Vs Portables Gas experts have gathered some products that they recommend, but if you would like further information, or a more tailored systems, give us a call today.

Crowcon Xgard

The Crowcon Xgard is perfect for detecting methane in wastewater facilities. Designed for tough industrial settings, it offers accurate, reliable performance with advanced sensors and rugged, corrosion-resistant construction. Easy to install and maintain, the Xgard ensures cost-effective protection in harsh, wet environments.

Crowcon T4

The Crowcon T4 (Tetra 4) portable gas detector is the ultimate solution that combines compliance and robustness at a low cost. Its built-in gas sensors are also incredibly sensitive, capable of measuring in Part Per Billion (PPB), protecting against the four most common gas hazards, which are Carbon Monoxide (CO), Hydrogen Sulphide (H2S), Flammable Gases (LEL), Oxygen Depletion (02).

Honeywell Series 3000

The Honeywell Series 3000 is ideal due to its reliable detection of hazardous gases like hydrogen sulphide and methane. With an explosion-proof design and durable housing, it performs well in corrosive, humid environments. Its ease of installation and maintenance ensures continuous protection with minimal downtime.

Series_3000_Mkll_and_Mklll_Transmitters_with_Sensor

Honeywell Microclip XL

The BW GasAlertMicroClip XL portable multi-gas detector can be configured to monitor combinations of Combustible gases such as LEL, Hydrogen Sulphide (H2S), Carbon Monoxide (CO) and Oxygen (O2).

Teledyne OLCT 100

Designed for the detection of explosive gases, toxic gases or oxygen, this gas detector comes with a Wheatstone bridge output (OLC 100) or 4-20mA output (OLCT 100). Whatever your application Teledyne Gas and Flame Detection offers a solution: MEMS, catalytic, electrochemical, semiconductor, or poison control version. ATEX approved, these detectors are available in explosion safe or intrinsically safe versions.