ULTRAVIOLET IRRADIATION METHOD IN DEACTIVATION TREATMENT OF PROTOZOANS

• Main Authors: NAGAI TORU, YAMASHITA OSAMU, FUJITA KUNIO
• Format: Patent
• Language: English
• Published: 09.09.2004
• Edition: 7
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

PROBLEM TO BE SOLVED: To provide an ultraviolet irradiation method for controlling the necessary ultraviolet irradiation quantity of an ultraviolet sterilizing lamp in order to deactivate protozoans such as cryptosporidium or the like. SOLUTION: In the ultraviolet irradiation method in the deactivat...