36 Water/Wastewater Rapid, On-Site Measurement of Fat, Oil and Grease in Wastewater
It is important to ensure that excessive levels of fat, oil, and grease (FOG) in wastewater are not being discharged. The InfraCal TOG/TPH Analysers from Wilks Enterprise (USA) provide accurate, easy on-site analysis to help regulators and industry reduce the discharge and build up FOG in sewers. These analysers are ideal for use by publicly operated treatment centers as it is important to locate and monitor sites that are suspected of dumping high levels of FOG into the sewer line. In addition, numerous industries need to ensure they are not exceeding their oil/grease discharge permit limits. Waiting for remote laboratory results can take several days to a week. With a simplified FOG analysis procedure using a portable mid-IR InfraCal TOG/TPH Analyzer, regulators or industrial pretreatment operators can now get on-site results in less than 10 minutes. The extraction and measurement procedure is simple enough for an operator with minimal training to do the analysis.
This type of measurement is not new as infrared measurement of oil and grease levels in produced water has been used in the petroleum industry on highly regulated off-shore and on- shore oil platforms for well over 30 years. The InfraCal TOG/TPH Analysers are used worldwide for this particular type of measurement.
InfraCal TOG/TPH Analysers, with a simple and quick measurement procedure, enable operators of a pretreatment system to easily assess their system’s efficiency. Plant operators can take samples before and after treatment to see how their system functions under heavy loads. System parameters can be changed if necessary and the results of the changes can be determined onsite without waiting a week or more for a laboratory result. Regulators can take samples from the source and immediately determine who is discharging high FOG concentration levels. Most importantly, effluent with high levels of FOG can be stopped before it stops the flow of the sewer line.
Reader Reply Card no 97
Submersible Oil-in-Water Probe Monitors Process and Waste Water
One drop of mineral oil can spill 1000 l of water. Even the slightest contamination by mineral oil in surface, process and industrial water can be detected by the new FP 360 sc immersion probe from HACH LANGE - reliably, continuously and uncomplicatedly.
FP 360 sc uses a highly sensitive ultraviolet fluorescence method for oil detection. Because most mineral oils contain polycyclic aromatic hydrocarbons (PAH) their concentration can be used to calculate the oil content of water. When PAH are exposed to ultraviolet radiation, they emit fluorescent light at an intensity which is directly related to their concentration. Measuring the intensity of this fluorescence is a much more sensitive method of determining PAH than measuring absorbance or scattered light.
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Detection of Diesel fuel in waste water with FP 360 sc
The FP 360 sc immersion fluorometer is suspended directly in the measurement medium with the help of a chain mounting set. No time-consuming installation is needed. With the help of an optional flow cell, the probe can also be installed for bypass applications. The standard model is in stainless steel, and a titanium housing enables the probe to be used in aggressive media.
Quick detection of oil spills in process and waste water allows for taking fast countermeasures and huge savings in cleaning costs and possible fines. The FP 360 sc probe is used in combination with the proven SC controller. Extensive communication variants enable integration into existing BUS systems and into a network via Ethernet or in wireless form using GPRS for site-independent installation.
HACH LANGE GMBH, Willstätterstraße 11, D-40549 Düsseldorf Tel: +49(0)2115288-0 Fax: +49(0)2115288-143 Email:
info@hach-lange.de Web:
www.hach-lange.com
Reader Reply Card no 99 The NEW
Ultrameter II Now with Hardness Calculator, Free Chlorine Measurements and Wireless Data Transfer!
PROCESS ANALYSIS UV FLUORESCENCE FP 360 SC
Oil spill warning FP 360 sc fl uorescence probe for reliable detection of oil in water
Immersible probe: measures directly in the medium
Mineral oil in water – down to trace range Rugged probes, also available in titanium
Plug & Play with digital SC controller, for up to 8 probes
The FP 360 sc monitors surface waters, process water and waste water continuously for traces of mineral oil contamination.
www.hach-lange.com Hotline +49 (0)211 5288-0
The Ultrameter II from Myron L Company (USA) still delivers the most accurate dissolved solids measurements of any instrumentation and the greatest de- gree of accuracy available for pH, ORP and Temperature measurements, but has been redesigned to include an LSI/Hardness Calculator, Free Chlorine measurements and Bluetooth® transfer.
data
The hardness calculator is an analyser that generates a Langelier Saturation Index value useful in deter- mining how to modify hardness, pH or alkalinity to achieve balanced water. The user can accept inferred LSI calculations or input known values for pH, hardness or alkalinity to allow the calculator to determine the LSI value precisely. The user can also select from grains and ppm hardness units within the calculator.
ORP readings can be displayed as mV or ppm free chlorine. This new feature allows the Ultrameter II to measure a dynamic range of sanitiser concentrations wider than that of a colorimetric test kit. The Ultrameter II can also transmit data wirelessly using Bluetooth®
technology with the bluDock™ hardware option. Reader Reply Card no 100 Reader Reply Card no 98
IET
May/June 2010
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