MAINTENANCE SYSTEM AND DEVICE FOR PHOSPHORUS REMOVING APPARATUS, PHOSPHORUS REMOVING APPARATUS, PHOSPHORUS PURIFIER, MAINTENANCE METHOD OF PHOSPHORUS REMOVING APPARATUS AND COMPUTER READABLE RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To practice reliably and easily maintenance of a phosphorus removing apparatus.;SOLUTION: The phosphorus removing apparatus is included in a user side unit 100. Data related to quantity of precipitates of the phosphorus removing apparatus can be outputted to an unit 90 of a maintenance company side via a network such as the Internet. The unit 90 of the maintenance company side notices information about the store quantity of phosphorus compounds to the unit 100 based on the data sent from the removing device. And the unit 90 of the maintenance company side recovers phosphorus compounds in the phosphorus removing apparatus when the request for recovery is received from the unit 100. Phosphorus compounds recovered are delivered to a phosphorus purifying company. Returned money is payed to the maintenance company corresponding to the recovered phosphorus compounds. And the maintenance company pays chages obtained by substracting a fee, etc., from the returned money to the user of the phosphorus removing apparatus.;COPYRIGHT: (C)2002,JPO