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![Metsorb® HMRP - 1](https://img.directindustry.com/pdf/repository_di/55047/metsorb-hmrp-342921_1m.jpg)
Filtration | Separation | Purification MetSorb™ HMRP 50 Micron Effective, High Value Adsorbent for Reduction of Heavy Metals MetSorb HMRP adsorbent is a free-flowing powder designed for incorporation into pressed or extruded carbon blocks. The addition of Graver’s MetSorb HMRP at relatively low levels to a carbon block design is very effective for the reduction of lead, and at higher HMRP usage levels effective for reduction of arsenic, to meet the requirements of NSF Standard 42. MetSorb HMRP utilizes a patented material to adsorb not only cationic lead species, but also both forms of Arsenic: Arsenic III and Arsenic V, present as (neutral) arsenite and (anionic) arsenate respectively. MetSorb HMRP will also reduce a wide range of other metal contaminants commonly present in drinking water or process water, and is effective in polishing low levels of metal contaminants from industrial waste streams. Recommended MetSorb HMRP Use As a fine powder, the addition of MetSorb HMRP is recommended as a component of pressed or extruded carbon blocks, where heavy metal reduction is desired. In blending HMRP with carbon and poly binder components, one must assure that both the starting mechanical blend and the unfinished block produced appear homogeneous. The following guidance is provided as a starting point. The performance of each specific design should be evaluated as to reduction for the specific contaminant in question using industry -standard methodologies by qualified laboratories. Design Parameters for Improved Performance A nominal 10 - inch carbon block, standard for most countertop and undercounter applications will provide more overall volume and more functional media than the 2 to 2 1/2 inch blocks typically used in end - of - tap (EOT) applications. For example, a nominal 10 - inch carbon block can easily perform for 1000 gallons or more of contaminant reduction, while the smaller EOT blocks are rated at several hundred gallons. The larger block design also gives longer contact times (EBCT or Empty Bed Contact Time) for better contaminant reduction. For example, a nominal 10 - inch block will provide an EBCT of 10 -15 seconds, while a typical 2 1/2 inch EOT block gives only 3 seconds EBCT. Devices designed for slower flow rates, e.g., 0.5 gpm (gallons per minute) versus 1.0 gpm will provide longer contact times and better percentage contaminant reduction. Use of higher concentrations of MetSorb HMRP will also improve heavy metal reduction efficiencies. Uniform dispersion of MetSorb HMRP in the carbon matrix is important for maximum performance. MetSorb HMRP is thermally stable and nonorganic. It will not change characteristics, vent off-gases or odors or lose performance when used at typical carbon block processing temperatures. MetSorb HMRP would remain thermally stable when processed under these manufacturing cycle times or in general kept below 575°F (300°C.). MetSorb HMRP Adsorbent Specifications MetSorb HMRP Powder Appearance White powder Moisture Content <10% Average Particle Size < 50 microns Other Easily dispersed in carbon-poly binder matrix Bulk Density 0.30 grams per cc Bulk Density 20 pounds/cubic foot
Open the catalog to page 1![Metsorb® HMRP - 2](https://img.directindustry.com/pdf/repository_di/55047/metsorb-hmrp-342921_2m.jpg)
MetSorb HMRP Adsorbent Product Features/Benefits MetSorb HMRP Adsorbent is Safe • MetSorb HMRP adsorbent is certified and listed under the NSI/NSF Standard 61 as a component of drinking water systems. • Removals of heavy metals to meet drinking water standards can be achieved without adding contaminants. 10 1 0.1 0.01 0.001 1 10 100 1000 Lead Concentration in Parts Per Billion 10000 The Adsorption isotherms for MetSorb’s HMRP measured at both pH 5 and 7 are nearly identical, demonstrating lead reduction performance is insensitive to water pH. CARBON BLOCK PERFORMANCE USING MetSorb HMRP 200...
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