DUMPING OF INCINERATION ASH OF PAPER-MILL SLUDGE

PURPOSE:To form good ground on the bottom in water as well as to prevent the pollution of water by a method in which a slurry prepared by mixing specific amounts of paper-mill sludge incineration ash, water, and gypsum is continuously placed onto the bottom in water, where reclamation is to be made,...

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Main Authors NAKAYAMA NOBUO, TAMAOKI KATSUYUKI, HORIUCHI SUMIO, MARUICHI TOSHIO, IIZUKA YOSHIO, TAKE TAKAO
Format Patent
LanguageEnglish
Published 09.11.1983
Subjects
DISPOSAL OF SOLID WASTE
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
PERFORMING OPERATIONS
RECLAMATION OF CONTAMINED SOIL SOIL
SOIL SHIFTING
TRANSPORTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:PURPOSE:To form good ground on the bottom in water as well as to prevent the pollution of water by a method in which a slurry prepared by mixing specific amounts of paper-mill sludge incineration ash, water, and gypsum is continuously placed onto the bottom in water, where reclamation is to be made, through a tremie tube. CONSTITUTION:A slurry S is prepared by mixing 100pts.wt. paper-mill sludge incineration A ash, 3-30pts.wt. desulfurization gypsum C, and 110-200pts.wt. water B, and the slurry S is placed onto the bottom 9 in water. e.g., lake, swamp, and sea to be land-filled, through a tremie tube 8. In this case, the slurry S is placed in such a way that the discharge port of the tremie tube 8 is positioned in the slurry S already placed. By this, a strong and stable ground can be formed on the bottom in water without causing the pollution of water. Thus, reclamation work can be attained advantageously.
Bibliography:Application Number: JP19820076186