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What is Taptec?
Dupont TapTec, an innovator of polyamide thin-film composite membrane technology, offers RO solutions with superior chemical resistance, cleaning-in-place (CIP) capability and high salt rejection rates. Dupont TapTec membranes, with optimal permeate flow performance and salt rejection stability, are well suited for critical drinking water and industrial applications.
How Taptec differs from Vontron
Compared to Vontron, also known as ULP and XLP series that operate at ultra-low pressure, TapTec is superior in pressure efficiency, long-term reliability, and original product warranty protection when purchased from an authorized agent. Choose TapTec for guaranteed water quality and a safe investment.
Comparison Table
Based on the comparison chart above, we can summarize the differences and similarities between three reverse osmosis (RO) membrane models, namely TapTec LCHF 4040, Vontron ULP-31 4040, and Vontron ULP-21 4040. All three have very important technical parameters to consider in water filtration applications. Here is a narrative comparison of the data:
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Average Permeate Flow:
- The TapTec LCHF 4040 membrane has the highest permeate flow, at 2800 gpd (gallons per day), or about 10.6 m³/day. This indicates a greater filtration capacity compared to the other two membranes.
- The Vontron ULP-31 4040 has the lowest permeate flow, which is 1900 gpd (7.2 m³/day), meaning its production capacity is smaller.
- The Vontron ULP-21 4040 is in the middle with a permeate flow of 2400 gpd (9.1 m³/day), which is close to TapTec's performance but still slightly lower.
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Stable Salt Rejection: These three membranes had the same salt rejection capability of 99%. This means all of these membranes are able to retain almost all salt ions from the filtered water, providing excellent water quality after filtration.
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Operating Pressure: All three operate at the same pressure, which is 150 psi. This means that in terms of operating pressure, these three membranes are comparable in performance and can be used at the same pressure conditions without requiring significant adjustments to the system.
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Active Membrane Area: All models have the same membrane area, which is 85 ft² (7.9 m²). With an identical area, the filtration efficiency is also comparable as the surface area interacting with the water remains the same.
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Membrane Type: The TapTec LCHF 4040 uses Thin-Film Polyamide material, while both Vontron models use Aromatic Polyamide material. The type of material can affect the membrane's durability and filterability for certain substances. Aromatic Polyamide is known to be more resistant to chemicals and more extreme operating conditions than Thin-Film.
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Operating pH Range: All three have the same operating pH range of 3-10. This means they can work over a fairly wide pH range, enabling applications in a variety of raw water conditions.
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Maximum Pressure: The maximum pressure that these three membranes can handle is also the same, which is 600 psi. This indicates that all three are designed to work in high-pressure systems, providing flexibility in a wide range of water filtration applications.
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Maximum Operating Temperature: All membranes have the same maximum operating temperature of 95°F (35°C), which is sufficient for most water treatment applications without experiencing performance degradation.
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Dupont TapTec membranes excel in terms of lower operating pressure, which can reduce operating costs, while Vontron excels in terms of higher permeate flow rates and slightly better salt rejection rates, meaning it is more efficient in producing larger volumes of pure water. With the advantage of lower operating pressure, TapTec offers a more economical and energy-efficient solution for consumers. For more details, see the comparison chart on the side. |
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