Title:
STERILIZATION OF LEGIONELLA BACTERIA IN COOLING COLUMN
Document Type and Number:
Japanese Patent JP3353497
Kind Code:
B2
Abstract:
PURPOSE: To sterilize Legionella bacteria generated in a cooling column by an inexpensive and simple means.
CONSTITUTION: The saline soln. in a water tank 1 is pumped up to a circulating system by a pump 2 and sent to an electrolytic cell 8 to be electrolyzed to make free chlorine water and returned to the water tank 1. When the concn. of free chlorine in the circulating system becomes high by repeating this electrolysis, the three-way valve provided to the circulating system is changed over to send free chlorine water to a cooling column 6 to sterilize Legionella bacteria.
Inventors:
Akihisa Honda
Toshisuke Sakai
Minoru Nagata
Shinji Ikegami
Toshisuke Sakai
Minoru Nagata
Shinji Ikegami
Application Number:
JP26231694A
Publication Date:
December 03, 2002
Filing Date:
October 26, 1994
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
F28F19/01; C02F1/46; C02F1/50; C02F1/76; F28F25/00; (IPC1-7): C02F1/46; C02F1/50; C02F1/76; F28F19/01; F28F25/00
Domestic Patent References:
| JP6292892A | ||||
| JP568961A | ||||
| JP63126595A | ||||
| JP5237479A | ||||
| JP1317592A | ||||
| JP2149395A | ||||
| JP554682U |
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)