Method for recycling construction sludge

Abstract

Abstract PROBLEM TO BE SOLVED: To enable a simple, inexpensive recycle of construction sludge by a method in which construction sledge is solidified with a solidifying agent containing calcium oxide, silicon dioxide, sulfur trioxide, and aluminum oxide as main components, and the solid is used as a construction material or reclaimed soil. SOLUTION: In a method for recycling construction sludge containing bentonite type sludge or drainage, construction sludge is solidified with a solidifying agent containing calcium oxide (CaO), silicon dioxide (SiO2 ), sulfur triozxide (SO3 ), and aluminum oxide (Al2 O3 ) as main components, and the obtained solid is used as a construction material or reclaimed soil. Alternatively, the solid is crushed into a necessary size to be able to use as a construction material or reclaimed soil. In this way, construction sludge can simply and inexpensively be recycled be recycles as a construction material or reclaimed soil.

Inventors

• 👤 Yasuaki Narita
• 👤 泰明 成田

Bibliographic Details