Process of recovering silver from photographic solutions
    3.
    发明公开
    Process of recovering silver from photographic solutions 失效
    从照相溶液中回收银的过程

    公开(公告)号:EP0694812A2

    公开(公告)日:1996-01-31

    申请号:EP95200514.8

    申请日:1995-03-02

    IPC分类号: G03C11/24

    摘要: A process for removing silver from a silver containing photoprocessing solution, comprising the steps of:

    a) mixing a mercapto-s-triazine, or a water soluble salt thereof, with the solution thereby causing formation of a mixture of i) precipitates and fines of silver mercapto-s-triazine and ii) the solution;
    b) mixing a copolymer flocculant with the mixture thereby causing flocculation and agglomeration of the silver TMT fines; wherein the copolymer i) consist of monomers selected from the group consisting of acryloyloxyethyl trimethylamine chloride and acrylamide and ii) has a reduced viscosity of 21 to 30 dl/g.

    摘要翻译: 一种从含银的照相冲洗溶液中除去银的方法,包括以下步骤:a)将巯基均三嗪或其水溶性盐与溶液混合,由此导致形成i)沉淀物和 银巯基-s-三嗪和ii)该溶液; b)将共聚物絮凝剂与混合物混合,从而引起银TMT细粒的絮凝和附聚; 其中共聚物i)由选自丙烯酰氧基乙基三甲基氯化胺和丙烯酰胺的单体组成,并且ii)具有21-30dl / g的还原粘度。

    Fixer additives used in combination with iron complex based bleaches to improve desilvering
    4.
    发明公开
    Fixer additives used in combination with iron complex based bleaches to improve desilvering 失效
    固定剂添加剂与铁络合物基漂白剂结合使用以改善脱银

    公开(公告)号:EP0661593A3

    公开(公告)日:1995-08-09

    申请号:EP94120123.8

    申请日:1994-12-19

    IPC分类号: G03C5/395 G03C5/38 G03C7/42

    CPC分类号: G03C5/3952 G03C7/42

    摘要: A method of treating a seasoned fixing solution comprising desilvering a fixing solution containing a chelating compound represented by Formula I
            MOOC(CH₂) m (X) p ((CH₂) n COOM) q    (I)
       where X is N, or C-OH;
       n and m are independently 0, 1, or 2;
       if X is N then p is 0 or 1 and q is 1 or 2;
       if X is C-OH then p is 0, 1 or 2 and q is
       1 or 2; and
       M is a cationic counterion; and
    further containing a carryover amount of a bleaching agent which is a complex of ferric ion and a tridentate or a tetradentate ligand.

    摘要翻译: 一种处理调味的定影液的方法,包括将包含式I MOOC(CH 2)m(X)p((CH 2)nCOOM)q(I)表示的螯合化合物的固定溶液脱水,其中X是N或C-OH; n和m独立地为0,1或2; 如果X是N,则p是0或1并且q是1或2; 如果X是C-OH,则p是0,1或2并且q是1或2; M是阳离子抗衡离子; 并进一步含有作为铁离子和三齿或四齿配位体的络合物的携带量的漂白剂。

    SILVER REMOVAL FROM PHOTOGRAPHIC PRODUCTS
    5.
    发明公开
    SILVER REMOVAL FROM PHOTOGRAPHIC PRODUCTS 失效
    SILVER距离带上摄影产品。

    公开(公告)号:EP0518905A1

    公开(公告)日:1992-12-23

    申请号:EP91904935.0

    申请日:1991-03-05

    IPC分类号: G03C5 G03C7

    CPC分类号: G03C7/44 G03C5/3952 G03C7/421

    摘要: On traite un élément photographique exposé à la lumière et développé en couleurs avec un agent décolorant et un agent de fixation. L'agent de fixation comprend un thiol aliphatique en tant qu'accélérateur. Cet accélérateur sert à la fois à stabiliser l'agent de fixation afin d'en faire une utilisation commerciale et à empêcher les virages provoqués par la dégénération du thiol qui se trouve dans le bain de fixation de décolorant. On a également prévu un dispositif permettant l'enlèvement efficace de l'argent du bain fixateur afin de rendre superflue une étape séparée d'extraction d'argent.

    METHOD AND APPARATUS FOR REMOVING SILVER IN THE FORM OF SILVER SALTS FROM A LIQUID
    6.
    发明公开
    METHOD AND APPARATUS FOR REMOVING SILVER IN THE FORM OF SILVER SALTS FROM A LIQUID 失效
    方法和设备银的银盐从液体的拆模。

    公开(公告)号:EP0514443A1

    公开(公告)日:1992-11-25

    申请号:EP91903966.0

    申请日:1991-02-08

    申请人: ESKOFOT

    IPC分类号: C02F1 C01G5 C02F9 G03C5 G03D3

    摘要: Lors de l'utilisation d'un procédé qui extrait l'argent sous la forme d'un sel d'argent difficilement soluble, tel que notamment du sulfure d'argent, d'une solution contenant un autre composé d'argent, tel qu'un complexe de thiosulfate d'argent dans un fluide de rinçage ou de fixage photographique par précipitation, la solution est soumise à un rayonnement électromagnétique d'une longueur d'ondes inférieure à 375 nm. Le liquide ainsi irradié est conduit à travers un organe de filtrage (33) qui lie le sulfure d'argent à sa surface, sous la forme de sulfure d'argent cristallin. Il en résulte que le sulfure d'argent se sépare par précipitation et se dépose sur la surface de l'organe de filtrage, sous la forme de sulfure d'argent solide, qui à son tour agit comme catalyseur dans la précipitation et le dépôt ultérieur du sulfure d'argent solide sur la surface de l'organe de filtrage. Grâce à la liaison du sulfure d'argent solide sur la surface de l'organe de filtrage, la nécessité de recourir à un autre filtre éventuel est réduite.

    Method for treating photographic processing waste solution
    7.
    发明公开
    Method for treating photographic processing waste solution 失效
    用于处理摄影处理废物溶液的方法及其装置

    公开(公告)号:EP0270382A3

    公开(公告)日:1989-09-27

    申请号:EP87310746.0

    申请日:1987-12-07

    摘要: Disclosed is a method for treating a photographic processing waste solution comprising concentrating the photographic processing waste solution containing at least thiosulfate ions, characterized in that there is provided at least one part selected from (i) to (v) shown below:
    (i) a part for adding sulfite ions or a compound capable of releasing sulfite ions into the photographic processing waste solution at the time or before heating of the photographic processing waste solution; (ii) a part for contacting evaporated gas with a catalyst having a metal of the following (a) to (d) or a compound thereof carried thereon:
    (a) at least one selected from the group VIII elements consisting of iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium and platinum, (b) copper, (c) zinc, (d) manganese; (iii) a part for permitting a water-soluble polymer to exist; (iv) a part for permitting an oxidizing agent capable of oxidizing thiosulfate ions to exist; and (v) a part for adding a pH controlling agent into the photographic processing waste solution in order to maintain pH of the photographic processing waste solution at 3.0 to 11.0. Disclosed is a device for treating a photographic processing waste solution, which comprises a part for feeding a photographic processing waste solution containing at least thiosulfate ions, an evaporation tank for receiving the waste solution and a heating part for heating the waste solution in the evaporation tank, thereby concentrating the waste solution by evaporation, characterized in that it has at least one of the parts (i) to (v) mentioned above. According to the present invention, a method for inhibiting efficiently bad odor without bringing about cost increase and requiring cumbersome working and a device therefor can be obtained.

    Material and method for treating photographic effluents
    10.
    发明公开
    Material and method for treating photographic effluents 有权
    材料和Verfahren zur Verarbeitung拍摄者Abwässer

    公开(公告)号:EP1267208A1

    公开(公告)日:2002-12-18

    申请号:EP02356093.1

    申请日:2002-05-17

    摘要: The present invention relates to a material and a method for treating of photographic effluents in order to eliminate micro-organisms and pollutant byproducts 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.

    摘要翻译: 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物副产物,从而控制细菌生长,从而获得符合规定要求的流出物。根据 本发明包括在无机硅铝酸盐聚合物的水溶液中的金属或金属化合物的胶体形式的分散体,所述铝硅酸盐能够形成无机凝胶,并且所述金属或金属化合物能够引起可氧化产物的氧化, (或)待除去的微生物,然后加入碱以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适用于处理照相浴,特别是固定步骤后放置的洗涤浴。