2537a tekran mercury analyzer overview. tekran model 2537a analyzer
Post on 11-Jan-2016
245 Views
Preview:
TRANSCRIPT
2537A Tekran Mercury Analyzer2537A Tekran Mercury Analyzer
OverviewOverview
Tekran Model 2537A AnalyzerTekran Model 2537A Analyzer
Model 2537A Mercury AnalyzerModel 2537A Mercury AnalyzerProvides continuous TGM readings with update Provides continuous TGM readings with update
rate as low as rate as low as 2.52.5 minutes minutes
Detection limit Detection limit < 0.1 ng/m< 0.1 ng/m33 ( ( 12 ppq12 ppq ) )
Automatic recalibration with internal permeation Automatic recalibration with internal permeation sourcesource
Capable of unattended operation for extended Capable of unattended operation for extended periodsperiods
Data can be viewed remotely Data can be viewed remotely
Flow Diagram of Model 2537AFlow Diagram of Model 2537A
Pure Gold Cartridge Pure Gold Cartridge (Pat’d)(Pat’d)
Mercury Adsorption Cartridge
Quartz Glass 6 mm O.D. X 4 mm I.D.
Orifice(second seal)
Retention Groove(first seal)
NOTE: Cartridge Length 5 inches.
Pure Gold Matrix Assembly
Flow Direction
1 2 3
4 5
Traditional methods of atmospheric Traditional methods of atmospheric monitoring required manual sampling for monitoring required manual sampling for long periods. (Hours or days)long periods. (Hours or days)
Subsequent analysis usually performed in Subsequent analysis usually performed in a clean room environmenta clean room environment
Manual Mercury SamplingManual Mercury Sampling
Manual Ambient Air SamplingManual Ambient Air Sampling
Manual Cartridge AnalysisManual Cartridge Analysis
Chlor-alkali Plant - USAChlor-alkali Plant - USA
6
4
2
N
EW
S
Concentrationsin ng/m3
Chlor-Alkali Plantlocated bearing 60º
distance 18 miles
Plot Duration: 60 daysData Interval: 15 min
WINDDIRECTION
vs.
MERCURY
0
Plot of wind vs Plot of wind vs ambient mercury ambient mercury valuesvalues
Two months of Two months of continuous continuous monitoringmonitoring
Plant is located 18 Plant is located 18 miles distantmiles distant
Fish consumption Fish consumption advisories in effectadvisories in effect
Depletions of Mercury in the ArcticDepletions of Mercury in the Arctic
Mercury Monitoring in the FieldMercury Monitoring in the Field
Tekran analyzers are used routinely in Tekran analyzers are used routinely in some of the harshest locations on earth.some of the harshest locations on earth.
The equipment has demonstrated its The equipment has demonstrated its ruggedness and reliability in countless ruggedness and reliability in countless applications.applications.
Barrow, AlaskaBarrow, Alaska
Neumeyer Station, AntarcticaNeumeyer Station, Antarctica
Florida Everglades Florida Everglades
Why Measure Parts Per Why Measure Parts Per QuadrillionQuadrillion of Mercury ? of Mercury ?
Mercury is one of the most potent neuro-Mercury is one of the most potent neuro-toxins knowntoxins known
Bio-accumulates up the food chain by Bio-accumulates up the food chain by factors of greater than factors of greater than 10,000,00010,000,000
Long life in the atmosphere means that Long life in the atmosphere means that mercury emissions are of mercury emissions are of globalglobal concern concern
Sources of MercurySources of Mercury
Mining & smelting (gold)Mining & smelting (gold)
Waste incineratorsWaste incinerators
Battery manufacturingBattery manufacturing
Fluorescent lamps (manufacturing & Fluorescent lamps (manufacturing & disposal)disposal)
Chlor-alkali plants (pulp & paper)Chlor-alkali plants (pulp & paper)
Coal fired power plantsCoal fired power plants
top related