| TECH-TIP: Tools for Monitoring Organic Carbon and
SDS DBP Formation - An SDS (simulated distribution system) DBP formation potential test may be run to assess the impact of treatment conditions on DBP formation. This test, described in Standard Methods 5710C, is more advanced and may be run as part of a bench or pilot testing analysis.
DBP Formation Potential - Real Tech Water
DBP Formation Potential - Real Tech Water DBP AND FORMATION POTENTIAL MONITORING Chemical disinfection can cause the formation of harmful byproducts when disinfectants like chlorine react with naturally occurring compounds such as organic matter in water.
Optimizing Coagulation Dosing in Drinking Water - Real Tech Water
These compounds are known to be a major precursor of DBP formation. Therefore, UV254 provides one of the best indications of a water’s potential to form DBPs upon chlorine addition and should be monitored throughout the treatment process to ensure organics are removed.
Natural organic matter as precursor to disinfection
DBPs are generally formed by the reaction of disinfectants such as chlorine with organic precursors present in source water; these organic precursors are mainly called natural organic matter (NOM) and NOM acts as a forerunner to DBPs. Some of the chlorination disinfection byproducts are shown in Table 1.
Optimize Chemical Dosage for Water Treatment with UV254
Real Tech’s UV254 and UV-VIS instruments provide practical and affordable solutions for monitoring organic matter throughout the treatment process. Our real-time solutions enable timely detection of source water changes and events, allowing the coagulation process to be optimized for both solids and organic matter removal Download full article
- How are DBP precursors determined?
- In general, DBP precursors in drinking water sources can be determined using DBP FP tests, in which source water samples are dosed with a stoichiometric excess of specific disinfection agents (e.g., chlorine or chloramines) for a reaction time that is designed to maximize DBP formation under certain reaction conditions , .
- What is a DBP FP test?
- DBPs that are originally present in drinking water sources and DBP precursors determined using DBP FP tests can potentially be used to trace the origins of DOM in drinking water sources and evaluate the impacts of natural or anthropogenic events on source water quality.
- Where do DBP precursors come from?
- A variety of chemical constituents can serve as DBP precursors, with varied origins such as terrestrial or natural aquatic systems, atmospheric systems, wastewater treatment plants (WWTPs), industrial discharge, human dwellings, aquaculture, and agricultural activities , , .
- Can DBPs and DBP precursors be used as contamination indicators?
- This study suggests that DBPs and DBP precursors can be used as potential contamination indicators to improve the understanding of policymakers, stakeholders, and researchers regarding the origins of major pollutants in drinking water sources. Desired management strategies can then be tailored accordingly to minimize pollution impacts.
- What causes increased DBP precursors in surface water?
- Both dry (i.e., particulate and gaseous deposition) and wet depositions (i.e., precipitation such as rain and snow) can contribute to an increase in DBP precursors in surface water , , .
- What are common organic DBPs?
- In general, common organic DBPs include carbonaceous DBPs (C-DBPs), such as haloacetaldehydes (HALs) and widely regulated THMs and haloacetic acids (HAAs); and nitrogenous DBPs (N-DBPs), such as nitrosamines (NAs), haloacetonitriles (HANs), haloacetamides (HAMs), and halonitromethanes (HNMs) .
