Compositions – Water-softening or purifying or scale-inhibiting agents – Water-insoluble base-exchange agent containing
Patent
1997-08-06
1999-11-02
Lovering, Richard D.
Compositions
Water-softening or purifying or scale-inhibiting agents
Water-insoluble base-exchange agent containing
210683, 210907, 252184, 423DIG14, C02F 142, C02F 508, C09K 300
Patent
active
059764015
ABSTRACT:
A method for treating phosphate-containing waste water comprising treating phosphate-containing waste water with a metal hydroxide complex as a phosphate adsorbent represented by the formula:
REFERENCES:
patent: 3002932 (1961-10-01), Duwell et al.
patent: 3063807 (1962-11-01), Kenworthy
patent: 4536294 (1985-08-01), Guillet et al.
patent: 4642193 (1987-02-01), Miyata et al.
patent: 4935146 (1990-06-01), O'Neill et al.
Miyata et al.: Adsorption of N.sub.2, O.sub.2, CO.sub.2 and H.sub.2 on Hydrotalcite-Like System: Mg.sup.2+ -Al.sup.3+ -(Fe(CN).sub.6).sup.4-, Clay and Clay Minerals, vol. 26, no. 6, pp. 441-447 (1978).
European Search Report and annex for corresponding EPC Application No. EP 97 11 3595 Jan. 23, 1998.
English abstract of priority document DE 3838532, Derwent Information Ltd.
English abstract of WO priority document DE 4018628, Derwent Information Ltd.
Koizumi Tomohide
Mihara Mikiko
Ookubo Akira
Oonishi Shoichi
Sato Toshio
Lovering Richard D.
Tomita Pharmaceutical Co., Ltd.
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