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QuickTOC®

LAR

 

매뉴얼   제품정보   펌웨어   추천리뷰

 

 

The accurate solution to on-line TOC measurement

The QuickTOC® of LAR Process Analysers AG is an online measuring system for the determination of total carbon (TC), total organic carbon (TOC), total inorganic carbon (TIC) and dissolved organic carbon (DOC) according to DIN EN 1484, ISO 8245 and EPA 415.1.

The QuickTOC® is suitable for almost every TOC measurement in sewage treatment and industrial waste water application. Typical on-line applications are plant effluent monitoring, waste water treatment (influent and effluent water) and detection of organic spills and product loss (e.g. in chemical, petro-chemical and food processing plants).

High temperature combustion

The current state of the art engineering for thermal catalytic oxydation uses temperatures between 680° and 1000°C. The QuickTOC® has been engineered to work without the aid of expensive catalysts by using temperatures of more than 1200°C. Therefore, difficult to combust compounds are oxidized effectively and rapidly, regardless of their composition.

Fast and precise measuring results

The QuickTOC® is designed to operate in a batch mode. The TOC 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 continously stirred to keep it in a homogenized, representative state.

Reliable and proven operating principle with reduced costs

The sample injection volume is controlled by a xy syringe sampling system. The sample aloquote is then injected into one of two injection ports of the two reactors.

By using a temperature of more than 1200°C the QuickTOC® obtains complete combustion of the organic and inorganic components in the sample by using atmospheric air only.

That means greater reproducibility from the QuickTOC® and no maintenance costs because there is no need to replace expensive catalysts.

At this high temperature all the inorganic carbon is converted to CO2. This enables the true calculation of TOC from the difference between TC - TIC. It is important to note that the QuickTOC® avoids the loss of the VOCs.

The measurement of the inorganic compounds is performed in an additional reaction vessel, in which a continous stream of acidified water is injected with the sample and the evolved CO2 is stripped by the carrier gas.

The combustion gases from the two reactors flow through a 2 stage gas-cooler which is maintained at 4°C, to an absorption column before flowing into the IR detector.

The detection of CO2 takes place in the NDIR analyser, which detects the CO2 in form of a peak. The area of the peak is calculated by the built-in microprocessor.

The software supports every available function from controlling the QuickTOC® 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 an easy to operate analyser with low maintenance requirements, high reproducibility and fast measuring results for many years - the QuickTOC® by LAR.

Measurement and Sample Preparation

Type of measurement thermal combustion
Measurement range 0.1 - 200 mg/l TOC
5 - 4,000 mg/l TOC
100 - 50,000 mg/l TOC
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
Autostart-function
Self-explanatory software including maintenance checklists and support
Industry standard data interface

Connections

Waste water, drain tube 30 mm ID or
threaded 32 mm 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
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)
ATEX Zone 1
ATEX Zone 2

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