SAND COVERING METHOD USING COAL ASH PARTICLE

摘要

PPROBLEM TO BE SOLVED: To provide a sand covering method using coal ash particles capable of solving such a problem as the shortage of covering sand and the shortage of places to throw sludge in the case of dredging and aiming at the formation of a new fishery. PSOLUTION: The sludge 3 in water is covered 2 with the coal ash particles obtained by granulating coal ashes. PCOPYRIGHT: (C)2004,JPO