Nonwoven fabric sheet for closing waste disposal sites and method of closing waste disposal sites

摘要

PURPOSE: To prevent the drainage of bled sewage high in pollution level while avoiding the danger caused by the gas capable of being generated from waste in a waste disposal plant. CONSTITUTION: The upper part of a sludge bed 3 composed of filled up waste to close a waste disposal plant. As the sheet, a polyolefin nonwoven fabric having a Plexifilament film/fibril strand reticulated structure by a flash spinning method is used.