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    • 4. 发明授权
    • Material and method for treating photographic effluents
    • 用于处理照相污水的材料和方法
    • US06620397B2
    • 2003-09-16
    • US10159680
    • 2002-05-31
    • Danielle M. WettlingOlivier J. Poncelet
    • Danielle M. WettlingOlivier J. Poncelet
    • C01B3326
    • G03C5/3952A61L2/0082A61L2/238B01J21/12B01J21/16B01J23/50B01J35/0013B01J37/036C02F1/4672C02F1/50C02F1/505C02F1/5236C02F1/72C02F1/725C02F2103/40C02F2209/02C02F2209/06
    • The present invention relates to a material and a method for treating of photographic effluents in order to eliminate microorganisms and pollutant by-products so as to control bacterial growth and thereby obtain effluents that comply with regulatory requirements. The method for preparing an oxidizing material according to the invention comprises the dispersion in colloidal form of a metal or metal compound in an aqueous solution of an inorganic aluminosilicate polymer, said aluminosilicate being able to form an inorganic gel, and said metal or metal compound being able to cause the oxidation of oxidizable products and (or) micro-organisms to be eliminated, followed by the addition of a base to cause said aluminosilicate to gel. The metal is preferably silver in a powder form that is able to form a colloid when it is dispersed. The oxidizing material of the invention is efficient especially for the treatment of photographic baths, in particular wash baths placed after the fixing step.
    • 本发明涉及一种用于处理照相污水的材料和方法,以消除微生物和污染副产物,从而控制细菌生长,从而获得符合法规要求的流出物。 根据本发明的制备氧化材料的方法包括在无机硅铝酸盐聚合物的水溶液中的胶体形式的金属或金属化合物的分散体,所述铝硅酸盐能够形成无机凝胶,所述金属或金属化合物为 能够引起可氧化产物的氧化和(或)待除去的微生物,然后加入碱使所述硅铝酸盐凝胶化。 金属优选为粉末形式的银,当其分散时能够形成胶体。 本发明的氧化材料特别用于处理照相浴,特别是固定步骤后放置的洗涤浴。
    • 6. 发明授权
    • Composite material for treating photographic effluents
    • 用于处理照相污水的复合材料
    • US06680066B2
    • 2004-01-20
    • US10068207
    • 2002-02-05
    • Olivier J. PonceletDanielle M. Wettling
    • Olivier J. PonceletDanielle M. Wettling
    • A01N2508
    • C02F1/5236B01J13/0056C02F1/50C02F2103/40G03C5/395Y10S514/965
    • The present invention relates to a composite material with an improved structure in which is dispersed an active organic compound, and a method for treating effluents, in particular a method for treating photographic effluents. The composite material takes the form of a structured gel comprising an aluminosilicate polymer matrix in the form of fibers in which at least two distinct fibers are interconnected by at least two covalent bonds to form an irreversible chemical gel and, dispersed in the matrix, an active organic compound. The choice of the degree of cross-linking of the matrix makes it possible to control the diffusion of a hydrophilic active organic compound. The invention further concerns a method for preparing such a composite material.
    • 本发明涉及一种其中分散有活性有机化合物的具有改进结构的复合材料,以及一种处理流出物的方法,特别是一种用于处理照相流出物的方法。 复合材料采取结构化凝胶的形式,其包含纤维形式的硅铝酸盐聚合物基质,其中至少两种不同的纤维通过至少两个共价键互连以形成不可逆化学凝胶,并且分散在基质中 有机化合物。 基质的交联度的选择使得可以控制亲水性活性有机化合物的扩散。 本发明还涉及制备这种复合材料的方法。