next-Sand - Single Bed Media

Over the past 50 years, improvements in granular media filtration have been achieved by: a) using smaller mesh size sand to remove finer particles, b) by combining sand with garnet or garnet and anthracite (i.e. “multimedia” beds) and c) by improving the fluidics design of beds and vessels. More recently the traditional sand or multimedia filtration beds have started to make way for zeolite based filtration units. Natural zeolites are a low cost resource recognised for their unique absorption, catalytic, ion exchange, and molecular sieve properties; Clinoptilolite is a natural zeolite but it varies greatly in both structure and purity. next Sand is a rare high-purity Clinoptilolite that offers the very best characteristics for use as water filtration media.

next Sand offers a single bed media made from high purity Clinoptilolite, which delivers superior performance over conventional filter sands or multimedia, and at a lower cost. The material is mined in Western USA and then highly processed and graded; the resulting product is hard and stable with a high surface area and micro-porous character in addition to surface micro-crystals making it an ideal filter media. next Sand has high filtration performance at next Sand, or for new applications smaller filter vessels would be required to achieve the same results. Filtration through the entire media bed depth provides more than twice the capacity of multimedia filtration. It has a higher dirt holding capacity so requires less frequent backwashing, leading to reduced downtime. Lighter weight and lower volume requirement means lower capital and shipping costs than multimedia and the product also lasts longer. The media isn’t consumed in the filtration process; a simple periodic backwash will keep the media clean and operating efficiently for five years or more.

The unique properties of next Sand high purity Clinoptilolite filter media allow it to radically alter the performance and cost of media filtration. Compared to conventional sand or multimedia filtration beds, the main advantages are as follows:

• RO Pretreatment–superior SDI reduction
• Cooling Towers–unequalled Turbidity removal
• Municipal Water Treatment, pressure and gravity filters–higher flow, lower pressure drop and superior filtration performance
• Wastewater Polishing–exceptional TSS removal
• Precipitated metals removal
• Carwash reclaim and recycling
• Irrigation