Small dimensions - Big performance The length and diameter of existing X-Flow elements were the starting point for the development of the new 75m2 membrane element. While the outer dimensio...
Small dimensions - Big performance
The length and diameter of existing X-Flow elements were the starting point for the development of the new 75m2 membrane element. While the outer dimensions have remained the same as the 55 and 64, the extra membrane surface area delivers a big performance boost.
The upcoming 75m2 membrane element looks exactly the same as the well-known 64m2 and 55m2 elements. However, the new membrane element is the same on the outside only. The X-Flow researchers and product developers have created a stronger membrane material that allows for modifications in the fiber’s inner and outer diameters. The result is an impressive extension to 75m2 of active membrane surface area.
Bigger is not always better
This latest innovation puts X-Flow far ahead of the competition in terms of square meters of surface area in relation to element size. In fact, by sticking with the existing element dimensions and increasing the total surface area to 75m2, we created a UF membrane element that has over 50 percent more membrane surface area per unit of weight or volume than the average of nine other key UF suppliers. We chose not to increase the element size, as bigger is not always better. Handling the new 75m2 element is as easy as it always was, and its weight is well within the health & safety regulations. Relative to its size and weight, it packs more surface area and thus filtration capacity than any other membrane element available today.
The 75m2 membrane element is a breakthrough in several respects. Compared to the familiar 64m2 element, it achieves a 17 percent increase in membrane surface area. Performance is further enhanced due to a complete redesign of the internal workings of the element. To ensure the best possible hydraulics, we have optimized the central permeate tube design. New end caps were designed to improve the flow of water from the elements to the system. The new element not only brings significant value to new projects, but also means that existing water treatment systems with Aquaflex and X-line technology can be given a significant performance boost within the same footprint. Customers can also choose to reduce the number of elements and maintain the total membrane surface area. The 75m2 element thus offers the opportunity to retrofit and upgrade existing Aquaflex or X-line systems in the simplest possible manner. Although we modified the membrane diameter, there is no change in pretreatment requirements.
Promising test results
Naturally, the 75m2 is expected to be applicable in any water treatment process, just like the 64m2. It was designed to have the same log removal values for bacteria and viruses, and to be deployed in drinking water production. Initially however, it is designated as an industrial membrane element, as potable water certifications are most likely to be still pending at the time of the product launch. The internal element design was improved to accommodate larger flows and, despite the smaller fibers, actually has higher mechanical strength and structural integrity.
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