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Online BOD/Toxicity Monitoring Analyzer
The online BOD and biotoxicity automatic detector is an instrument that can simultaneously detect BOD (biochemical oxygen demand) and TOXICITY (biotox
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Detailed information on RODTOX 2000 online BOD/toxicity monitoring analyzer
Online BOD/Toxicity Analyzer
The online BOD and biotoxicity automatic detector is an online, reliable, stable, and extremely fast instrument that can simultaneously detect BOD (biochemical oxygen demand) and TOXICITY (biotoxicity) in domestic sewage and industrial wastewater. The basis of detection is to use the respiration of microorganisms in a reactor filled with activated sludge to online indicate the BOD and TOXICITY in wastewater. The BOD measured by this instrument is very close to BOD205（r＞0.95）。
The most important application areas of this instrument are domestic and industrial wastewater treatment plants, where BOD and TOXICITY are detected online at the inlet and outlet.
Main principles
The online BOD and toxicity automatic tester mainly consists of two parts: microorganisms and electronics. The microbial part consists of a temperature controlled reactor. The container is filled with 10L of activated sludge, which is continuously aerated and stirred once in operation, continuously detecting the concentration of dissolved oxygen in the water. Injecting biodegradable standard solution into the reactor can cause the dissolved oxygen concentration in the water to reach a peak, and the curve area and peak are proportional to the increased BOD value. The use of a large amount of sludge during respiration is a measure to control the activity of activated sludge. By comparing the respiration process of the unknown solution with that of the standard solution, the BOD value of the unknown solution can be obtained. By comparing the peak values of the standard solution before and after adding the sample, the biological toxicity in the sample can be determined.
Technical Characteristics
Detection objectBOD（Biochemical Oxygen Demand (BOD) and TOXICITY (Biological Toxicity)
detection range 0-500000mg BOD/L and 0-100% TOXICITY
Sample and sludge preparation Can be obtained through various samples
outer structure
Main structure corrosion-resistant stainless steel
protectIP 65
size 1800×600×550mm
connect
power supply220/115V 50/60Hz
Sample import and exportPVCTube OD 40mm
Sewage flow rate Approximately 10-50 l/min
Sludge flow rate Approximately 10-50 l/min
Simulate computer output power 4—20mA
digital outputs Alarm connection
Continuous output portRS 232C
Online BOD and Biological Toxicity Automatic Tester
RODTOX 2000It can also be applied in the laboratory
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