METHOD AND SYSTEM FOR DRAINAGE TREATMENT

METHOD AND SYSTEM FOR DRAINAGE TREATMENT

PROBLEM TO BE SOLVED: To provide a method and system for drainage treatment which reduces a drainage treatment cost by reducing a supply of carbon dioxide gas as a neutralizer and facilitating a coagulation effect when the raw water containing suspended materials such as cement components, etc., dis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: URAYA AKIO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method and system for drainage treatment which reduces a drainage treatment cost by reducing a supply of carbon dioxide gas as a neutralizer and facilitating a coagulation effect when the raw water containing suspended materials such as cement components, etc., discharged at construction site is neutralized by the neutralizer and coagulosettled by a coagulant. SOLUTION: In the drainage treatment system that suspended materials in raw water discharged at construction site is neutralized by a neutralizer and coagulated and granulated by a coagulant, the ferric polysulphate is added as a prior process to supplying carbon dioxide gas as the neutralizer and stirred with the coagulant.