There are several technologies available capable of removing fluoride and arsenic from drinking water, although not all of them are practical for smaller filtration systems.
Seccua is taking Arsenic and Fluoride removal to the next level with its advanced, compliant and easy-to-operate filtration systems.
Seccua Filtration has proven to simply remove Arsenic from drinking water to below detection level and Fluoride to below the strict levels of U.S. EPA drinking water guidelines. In a combined process of direct coagulation and filtration through a Seccua Virex Pro. Due to the ultimately fine pores of the Seccua Filtration systems, Arsenic and Fluoride can be filtered out after a simple pre-treatment step. The use of older, more expensive technologies like activated aluminum beads is therefore obsolete. During studies performed on ground-water in Oklahoma, a Seccua Virex Pro Connect system with an up-front dosage of coagulant was able to achieve the following performance:
The average effluent Fluoride is not listed above as different levels of fluoride removal can be targeted. The results of fluoride removal were excellent and can achieve up to 75%. During the study the Fluoride concentrations targeted were at 3.0 mg/L and 1.5 mg/L effluent, which the data showed both are very achievable. Also shown in the above chart, an auxiliary benefit of this treatment is that it reduces the pH of the system from above a pH of 9 to the low 7 range.
Seccua is on the leading edge of Ultrafiltration. We have certified pathogen removal, integrated membrane testing, data logging and web based remote access. Our system is fully automated, including an integrated, state-of-the-art membrane integrity test. It detects membrane damages smaller than the size of pathogens.
Together with its ability to monitor the signal of a turbidity meter in the filtrate line of the system, it performs a continuous, daily indirect integrity test, triggering the integrated, direct membrane test whose results are reported via the data logger.
The nano-pores of the Seccua ultrafiltration provide removal characteristics that meet and exceed regulatory requirements for application of membrane filtration in drinking water treatment. Our system has proven to fully remove virus, cyst and bacteria, tested also against U.S. EPA Standards. As the only one of its kind, our system continuously measures the actual degree of fouling of the membrane – based on a function of flow and differential pressure. The systems automatically react to varying feed water conditions and adjust the frequency of its cleaning cycles accordingly. This allows us to treat difficult contaminant issues as we see here and to successfully use ultra filtration in conjunction with coagulation/flocculation.
We have prepared an extensive case study about the application of our technology on removal of Arsenic and Fluoride from Well Water, operated in Oklahoma (U.S.).
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