Hg, As & Se are considered environmental priority pollutants and the determination of these metals in wastewater from industrial sources is a challenging application. In recent years wastewater treatment plants have been installing technologies to capture and remove the metals. The efficiency of these treatment processes needs to be monitored using accurate analytical systems.

Some examples of industrial processes that require wastewater monitoring for these elements include;

Thermal Coal Power Generation (FGD wastewater)
Oil and gas refineries (Produced/Desalter Water)
Smelting plants
Semiconductor fabrication
Incineration wastewater
Chor-alkali plants

The targeted sample matrices are often quite difficult to manage so any online approach must be capable of handling a variety of complex waste waters. It’s widely accepted that online analysers offer some major operational and cost benefits compared to traditional laboratory approaches including;

Improved efficiency, accuracy, and consistency of the data
No gaps in the data set (24/7 capability)
Realtime results (with alarm feedback)
Lower operating costs and labour savings through automation
Improved worker safety

These analysers represent the third iteration of our online offerings for aqueous liquid streams.

Touch screen PC
Multiple sample streams including grab samples
Self-cleaning sample filtration.
Very Low reagent and utility consumption
Online digestion and sample preparation
Customisable alarm output options

AFS offers a number of analytical performance benefits;

Ultra-trace limits of detection
Wide analytical linear working ranges
Lack of chemical interferences
Inexpensive running costs
Easy coupling to gas generators

PSA - Model CV-AAS -Cold Vapour Atomic Absorption Spectroscopy System

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