Impact of Seams on the Operating Behavior of Surface Filters Regarding Particle Emissions

Autor(es)

de Lacerda, Camila R. ; Baechler, Peter ; Schwa, Almuth D. ; Sartim, Rafael ; Aguiar, Monica L. ; Dittler, Achim

• Tipo de documento: Artigo Científico
• Fonte: CHEMICAL ENGINEERING & TECHNOLOGY; v. 45, n. 7, p. 9-pg., 2022-06-01.

Resumo

Surface filters are widely used in industrial gas cleaning, e.g., as filter bags, to meet particle emission standards. The seam created by manufacturing the filter element is a potential leakage point for dust. A systematic investigation on the impact of the needle diameter of the seam on filter operation in two different filter test rigs is presented, regarding differential pressure and particle emissions. Four membrane samples, one without seam and three sewn with different needle diameters, were used to evaluate the fractional separation efficiency and the dust emissions. While the sample without seam showed near-perfect particle separation, a larger needle diameter led to an increase in dust emissions. The impact of needle diameter on the differential pressure was negligible. (AU)

• Processo FAPESP: 97/04024-7 - Estudo da formacao de tortas de filtracao de gases, em filtros de tecido.
• Beneficiário: Mônica Lopes Aguiar
• Modalidade de apoio: Auxílio à Pesquisa - Regular