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Wastewater from daily life or industrial production contains not only a certain amount of inorganic pollutants but also a large number of organic pollutants, which, after entering the environment, affect the whole ecosystem in the form of toxicity and reduction of dissolved oxygen in the water body. Relevant research shows that the vast majority of toxic substances in wastewater are organic substances, so organic pollution indicators are of great importance in today's water quality monitoring.
Runze Fluid Keeps up with the trend of industry development, grasps the opportunity, and rides on it to develop a new generation of PS-10 Cross-Contamination-Free Flow Path System, which can be applied as an accessory to monitor COD (Chemical Oxygen Demand) concentration in water from environmental pollutant outfalls/municipal wastewater/industrial wastewater/industrial production process water, etc. The PS-10 system is also equipped with a liquid level detector, which can determine whether there is liquid in the tubing by the color change of the light on the liquid level detector.
High reliability, little maintenance
World's leading sequential liquid injection technical module: less reagent consumption, which is 1/20 of that of conventional instruments with chemical method, suitable for long-term online monitoring.
High integration multi-channel selector valve: single valve body can achieve 6 to 16 valve port position switching function, simple structure.
Innovative annular liquid reservoir design: the sample or reagent is not in direct contact with the syringe to avoid wear and corrosion of the injection flow path.
High accuracy, wide application
It is suitable for automatic monitoring of chemical oxygen demand (COD) at discharge outlet of environmental pollution source, since the adopted analysis method is consistent with the National standard (GB11914-89 determination of chemical oxygen demand in water by dichromate method), Line standard (HJ/T 377-2007 determination of chemical oxygen demand in water by rapid digestion spectrophotometry) and Verification standard.
More accurate volume quantification of sample and reagent, good repeatability, much better than conventional chemical instruments.
Unique bubble stirring mixing technology design, ensures full mixing of samples and reagents.
The instrument adopts the world's leading sequential fuel injection technology, the sample to be measured and reagents are aspirated into a section of liquid reservoir ring through the switching of the valve and the reverse motion of piston pump, and then the reagents are pushed into the reaction room, and the sample and reagents are ablated at high temperature and high pressure in the reaction room, the acquisition and processing the light absorption signal is completed in the digestion container after the digestion is completed. Then quickly cooled and discharged through a multi-channel switching valve, and the tested fluid is discharged into the waste bottle, and then the tube is cleaned to complete a test. The entire process utilizes a liquid reservoir ring so that reagents and samples do not come into direct contact with the syringe.
The PS-10 system consists of the following parts: SV-08 multi-port switching valve, RP-01 piston pump with solenoid valve and encoder, 5 ml flow path plate (liquid reservoir ring), solenoid valve, liquid level detector (optional) and digestion container (user-configured), the green part is the tubing.
