A method and instrument for synchronous and continuous automatic determination of total organic carbon and total phosphorus

Abstract

The invention relates to an instrument and a method for continuously, synchronously and automatically measuring total organic carbon / total phosphorus on line. The instrument mainly comprises a sampling head, a reagent bottle, a carrier-gas cylinder, an acidifier, an oxidation reactor, a semiconductor condenser, an ion absorber, a CO2 detector, an orthophosphate detector and a data processor. The sampling head is connected with the acidifier by virtue of a sampling pipe, a peristaltic pump and a flow sensor; the reagent bottle is connected with the acidifier by virtue of a sampling pipe, a peristaltic pump and a flow sensor; ...; the CO2 detector and the orthophosphate detector are connected with the data processor by virtue of a circuit; .... A set of sampling, acidifying, oxidizing and data processing system and two independent detectors are shared, so that total organic carbon (TOC) and total phosphorus (TP) in water can be continuously, synchronously and automatically measured on line. The instrument has the characteristics of multi-functionality, compact structure, continuity of measured data, synchronism and real-time property of measurement of different indexes, and the like.

Description

technical field [0001] The invention belongs to the technical field of environmental monitoring. Specifically, it relates to an online analysis instrument and method capable of synchronously and continuously measuring total organic carbon (TOC) and total phosphorus (TP) in water. Background technique [0002] Organic pollution of water bodies, also known as eutrophication pollution, is mainly due to human activities discharging excess organic matter into water bodies beyond the self-cleaning capacity of water bodies. Among them, total organic carbon (TOC) and total phosphorus (TP) are often used as indicators to measure the degree of organic pollution of water bodies. [0003] The best way to monitor and prevent organic pollution of water quality is to use online automatic analyzers to continuously measure and supervise environmental pollution indicators such as TOC and TP of wastewater. However, up to now, there are still the following shortcomings and deficiencies in the...

AI Technical Summary

Problems solved by technology

However, up to now, there are still the following shortcomings and deficiencies in the water quality online automatic analyzer: (1) the instrument function is relatively single

(2) Cannot be measured synchronously

[0004] In short, no matter at home or abroad, so far, there is no online measuring instrument that can perform simultaneous and continuous automatic measurement of TOC and TP two water quality indicators.

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