Ash Grove Cement in Louisville, Nebraska, USA, made significant investments to install new kiln baghouses to meet the recent, and very strict, National Emission Standard for Hazardous Air Pollutants (NESHAP) environmental regulations. The existing Humboldt Wedag line clinker cooler baghouse, however, had been left unchanged, and needed to be upgraded. High differential pressure and short bag life required frequent servicing to keep outlet dust emissions under the limits of the recently imposed US environmental regulations. IAC worked with Ash Grove to evaluate the installed equipment, review operation and present the option to rebuild it, considering possible upgrades before the project scope was finalised. This allowed Ash Grove to technically and economically evaluate the possible upgrades and choose the ones that offered the right balance between the required investment and improved performance. Click Here For Complete Article Text
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