Thm Removal Articles & Analysis
29 articles found
Hydrogen peroxide is a versatile compound made up of two atoms of hydrogen and two atoms of oxygen. Its powerful oxidizing property makes it most suitable for disinfection, bleaching, and water purification. It has uses in everything from papermaking to healthcare and is a powerful bleaching and disinfectant, even at lower doses. Dive deep into this blog, which explores the science underlying ...
Topics: blue-green algae, taste & odor, THM removal, TTHM, hypolimnetic oxygenation, MN and FE control, treatment savings Overview: This reservoir is the raw water supply reservoir for a city, with the water treatment plant (WTP) situated adjacent to the lake. ...
City tests various trihalomethane removal systems to ensure full EPA compliance. Topics: trihalomethane, THM, TTHM, spray aeration, potable water tanks, GridBee® SN Series THM Removal System Project Overview: This location had a tank battery of four similar 1.5 MG bolted steel tanks installed serving as temporary storage ...
In-tank spray aeration systems can solve TTHM problems down the line. Topics: 1MG Tank, TTHM Removal, SN Series System Overview: 90% of water in this system comes from a third-party water treatment plant and is pumped 8 miles to the H-36 Ground Storage Tank. From here the water is distributed to the western pressure zone where all Stage 2 DBPR THM sample sites ...
60% reduction of total THMs achieved. No more worries about EPA compliance. Topics: clearwell, certified tests, chlorine, trihalomethane reduction, stratification System Overview: This is a two (2) clearwell system with water flow in series through Clearwell #1, Clearwell #2, then to distribution. Clearwell Build Information: Tank Type: Two identical partially buried concrete tanks Tank ...
Topics: potable, THM reduction, TTHM, chlorine, stratification/water age Overview: This tank is a concrete cylindrical potable water storage tank that serves the area's distribution system. ...
1) Trihalomethane (THM) removal is not one size fits all. Make sure your system is properly evaluated. ...
Solution: Clearwell #1 & # 2: One (1) Large Frame SN Series THM Removal System Results: The community has conducted certified lab tests during the peak THM season. Results show consistent THM reduction of 60% or more. (See chart below for certified lab test results). The community is pleased with the ongoing results in ...
Solution: Two (2) GridBee® SN Series Large Frame Spray Aeration Systems with blower ventilation. Results: The GridBee® THM Removal System attained >75% TTHM reduction. The Water District is very satisfied with the results and continues to benefit from excellent water ...
>60% reduction in TTHMs achieved. Topics: trihalomethane reduction, spray aeration System Overview: This municipality purchases water from a neighboring community. Disinfectant Type: Chlorine Tank / Reservoir Build Information: Name: East Tank Volume: 750,000 gallons Construction: welded steel Height: 45 feet. Diameter: 60 feet Type: ground storage Daily Inflow: 150,000 gallons ...
Once the decision is made to add active mixing or a trihalomethane removal system, the old way of operating the tank can be left behind. Any good mixing or THM system will base treatment calculations and equipment sizing on a 100% full inflow rate and a 100% full tank volume. ...
Another disadvantage of locating THM stripping equipment in a clearwell is that THMs are usually low there, so THM removal decreases. ...
Topics: potable, THM removal, TTHM, stratification/water age, chlorine Overview: This location consists of three potable water tanks serving the potable water needs of a city. ...
THM Removal Via Volatilization THMs are removed by volatilization (evaporation) into the atmosphere. ...
Contract requirements indicated that if the 35% THM reduction was not met, the Contractor could upgrade the system or remove the equipment at Contractor's cost. In order to release payment to the manufacturer, the THM reduction efficiencies required verification. To facilitate testing, the [City] chose to rent an AMS online THM ...
Topics: potable, THM removal, TTHM, stratification/water age, short-circuiting, chlorine Overview: The water treatment system includes three potable water storage reservoirs (Reservoirs 6, 8 and 15) where chlorine boosting occurs before water is distributed to the community. ...
The THM removal efficiency curve is dependent on a number of factors. Proper consideration and evaluation of these factors ensures the system is designed to provide the THM removal rates desired. THM Removal Efficiency THM removal efficiency is impacted by ...
The EZ Tray air stripper was installed and its performance has greatly surpassed the City’s goals, including up to 90% THM removal. Background The City of Santa Cruz, California depends on surface waters for 95% of its municipal water supply; only 5% comes from groundwater. ...
Particular attention was given to the generation of trihalomethanes (THMs) and haloacetic acids (HAAs) during the electrochemical treatment cycle. In addition, the potential for generation of THMs and HAAs during post-treatment storage of the water was assessed. ...
To ensure full EPA compliance and to optimize the community's potable water quality, area's Municipal Authority sought a reliable, affordable means for removing THMs. After three consecutive quarters of non-compliant TTHM testing results, engineers were hired to provide help in getting them back into compliance. ...