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T-N/T-P Analyzer (Quick TNP)

LAR

 

매뉴얼   제품정보   펌웨어   추천리뷰

 

 

The Reagent Free Solution to On-line TNb-Measurement

The QuickTONb® of LAR Process Analysers AG is an on-line measuring system for the determination of total nitrogen (TNb) according to DIN 38409 part 27, ENV 12260 and ISO - TR11905-2.

The QuickTONb® is suitable for almost every TNb-measurement in process control or sewage and industrial waste water application. Typical on-line applications are control of the production (e. g. the chemical and petrochemical industries) and monitoring the influent and effluent of both industrial and municipal waste water treatment plants (WWTP).

High temperature combustion

The current state of the art engineering for thermal catalytic oxydation uses temperatures between 680° and 1000°C. The QuickTONb® has been engineered to work by using temperatures of more than 1200°C. Therefore, all nitrogen compounds are oxidized effectively and rapidly, regardless of their composition.

Fast and precise measuring results

The QuickTONb® is designed to operate in a batch mode. The TNb is analysed in 3 minutes. This guarantees the determination of fast and transient peaks throughout the day.

Representative sample preparation

The sample is taken using the patented and maintenance-free sampling system  FlowSampler. FlowSampler works filtration-free and takes the sample in the centre of the sample stream against the direction of the main flow.

Even solid particles are sampled by the FlowSampler and reduced in size by a homogenizer. The sample is then pumped by the homogenizer through a flow through sample cell. In the sample cell the sample is continuously stirred to keep it in a homogenized, representative state.

Reliable and proven operating principle with reduced costs

The sample injection volume is controlled by an XY- syringe sampling system. The sample aloquote is then injected into the septumless injection port of the reactor.

By using a temperature of more than 1200°C the QuickTONb® obtains complete combustion of the nitrogen components in the sample. An important advantage compared with wetchemical methods is the complete detection of particle bounded nitrogen. At this high combustion temperature the analyzer´s percentage recovery for ammonia and nitrate nitrogen is excellent.

A main advantage of the high temperature combustion method used in the QuickTONb® is that no reagents are necessary for the operation of the system. This feature provides outstandingly low service and operation costs, even in continuous mode.

The combustion gas from the reactor flows through a 2 stage gas-cooler which is maintained at 4°C, to an absorption column before flowing into the chemiluminescence detector (CLD).

The CLD detects the nitrogen monoxide (NO) with excellent linearity and the highest possible accuracy. The NO-signal is converted to a peak profile that is calculated by the internal data processor to the TNb value.

Alternatively an electrochemical detector (ECD) is available. The ECD shows also excellent results in the range of 0-200mg/l N.

The software supports every available function from controlling the QuickTONb® to further processing of the measured values. An uncomplicated data transfer through serial or parallel interfaces to a monitoring station is a matter of course.

All these features result in a user-friendly analyser with low maintenance requirements, high reproducibility and fast measuring results for many years - the QuickTONb® by LAR.

Measurement and Sample Preparation

Type of measurement thermal combustion
Measurement Range 0 - 200 mg/l N
Response Time 3 minutes
Sample preparation maintenance-free particle separator
optional Ultra-Turrax for continous homogenisation of the sample

Operation and Data Output

Graphic-LCD-screen, high resolution, back lit
Autstart-function
Self-explanatory software including maintenance checklists and support
Industry standard data interface

Connections

Waste water, drain tube 30 mm ID or threaded 32mm OD or as specified
Electrical Power 230 / 115 V~, 50 / 60 Hz
Analog output 0/4 - 20 mA
Serial interface RS 232 for remote control
malfunction alarm
life-zero
Status output 4 relay contacts

Dimensions and Weight

Cabinet steel IP 54 (NEMA 13)
Dimensions 1020 x 700 x 520 mm (H x W x D)
40.2 x 27.6 x 20.5 inches (H x W x D)
Weight 115 kg (254 lbs)
Optional NEMA 4X (Class I Div 2)
Zone 1
Zone 2

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