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A Ceramic HEPA Filter with NBC Performance Characteristics Exceeding that of Traditional, Non-ceramic Filters

A HEPA filter designed to be nonflammable, corrosion resistant, and compatible with high temperatures and moisture

Background

High Efficiency Particulate Air (HEPA) filters remove airborne particulates from a gas stream or ventilation system. The lifespan of the filters is determined by filter design and materials. Existing HEPA filters are made from glass or paper fiber, which are fragile, easily damaged, and have limited shelf life; and in limited cases, metal or Teflon©, which are subject to corrosion, or encounter other regulatory issues.

Technology Overview

The LLNL ceramic HEPA filter is designed to be nonflammable, corrosion resistant, and compatible with high temperatures and moisture. The ceramic HEPA filters and materials are tailorable. They can be manufactured to replace existing filters with more durable and longer-lived ceramic versions to minimize retrofit problems, waste and costs while meeting regulatory

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