INDUSTRY SUSTAINABILITY: AIR EMISSIONS ASSESSMENT TECHNOLOGIES

摘要

Air emissions from composting facilities have been and will continue to be an issue for composting site owners and operators. However, with the current knowledge base regarding what is emitted from operations, and the available and regulatory approved testing technologies, air emissions measurement is less painful and more advantageous to site owners. This article presents the process and technologies used in assessing air emissions from composting sites with the intent and purpose of generating a list of quantitative emissions factors that, when combined with operating information and area surface estimates, can be used to calculate measured air emissions from each unit process. The USEPA flux chamber technology designed for compost surfaces is a direct source measurement technique designed and validated for assessing air emissions from area sources that are considered "diffusion flow," meaning that the gases diffuse from the test surface. The other component of the assessment task includes selecting the analytical method for the species of interest emitted from the site. Show less