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    SAFETY IMPROVEMENTS FOR UV RADIATION IN AQUATIC APPLICATIONS
    4.
    发明公开
    SAFETY IMPROVEMENTS FOR UV RADIATION IN AQUATIC APPLICATIONS 审中-公开

    公开(公告)号：EP3303117A1

    公开(公告)日：2018-04-11

    申请号：EP16725401.0

    申请日：2016-05-11

    申请人： Koninklijke Philips N.V.

    发明人： SALTERS, Bart, Andre ,  HIETBRINK, Roelant Boudewijn

    IPC分类号： B63B59/04 ,  B63B59/08 ,  A61L2/10 ,  C02F1/32

    CPC分类号： B63B59/04 ,  A61L2/10 ,  A61L2202/14 ,  B08B17/02 ,  C02F1/325 ,  C02F2201/3227 ,  C02F2201/326 ,  C02F2303/20

    摘要： The invention provides an object (10) that during use is at least partly submerged in water, the object (10) further comprising an anti-biofouling system (200) comprising an UV emitting element (210), wherein the UV emitting element (210) is configured to irradiate with UV radiation (221) during an irradiation stage one or more of (i) a part (111) of an external surface (11) of said object (10) and (ii) water adjacent to said part (111) of said external surface (11), wherein the light source (220) is at least controllable between a first UV radiation level and a second UV radiation level, wherein the first UV radiation level is larger than the second UV radiation level, wherein the object (10) is selected from the group consisting of a vessel (1) and an infrastructural object (15), wherein the object (10) further comprises a control system (300) configured to control said UV 221 radiation (221) as function of input information comprising information of one or more of (i) a location of the object (10), (ii) movement of the object (10), (iii) a distance (d) of the object (10) to a second object (20), and (iv) a position of the part (111) of the external surface (11) relative to the water.

    COMPOSITION AND METHOD FOR OILFIELD WATER CLARIFICATION PROCESSES
    5.
    发明授权
    COMPOSITION AND METHOD FOR OILFIELD WATER CLARIFICATION PROCESSES 有权
    油田水澄清工艺的组成和方法

    公开(公告)号：EP3092047B1

    公开(公告)日：2018-03-28

    申请号：EP14827668.6

    申请日：2014-12-22

    申请人： Dow Global Technologies LLC

    发明人： YOUNG, Kaylie, L. ,  AYERS, Callie, M. ,  HOYLES, Stephen, M.

    IPC分类号： B01D17/04 ,  C10G33/04

    CPC分类号： C10G33/04 ,  B01D17/047 ,  C02F1/68 ,  C02F2101/325 ,  C02F2103/10 ,  C02F2303/20 ,  C02F2303/22

    摘要： Disclosed are aqueous water clarifier compositions used to demulsify and clarify oil-water dispersions and emulsions derived from petroleum industry operations. The disclosed aqueous water clarifier composition comprises an anionic polymer, a chelating agent, optionally a base, and optionally an alcohol. Specifically the anionic polymer is a latex dispersion of an anionic polymers comprise an anionic polymer comprising: A) 2 to 80 percent by weight of at least one C3-C8 α,β-ethylenically unsaturated carboxylic acid monomer; B) 15 to 80 percent by weight of at least one nonionic, copolymerizable α,β-ethylenically unsaturated monomer; C) 0 to 50 percent by weight of one or more of the following monomers: C1) at least one nonionic vinyl surfactant ester; or C2) at least one nonionic, copolymerizable α,β-ethylenically unsaturated monomer having longer polymer chains than monomer B), or C3) at least one nonionic urethane monomer; and, optionally, D) 0 to 5 percent by weight of at least one crosslinker. Said aqueous water clarifier compositions demonstrate good pumpability with reduced tendency to foul pumps.

    REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM OPERATION METHOD AND REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM
    6.
    发明公开
    REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM OPERATION METHOD AND REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM 审中-公开
    反渗透膜处理系统操作方法和反渗透膜处理系统

    公开(公告)号：EP3279151A1

    公开(公告)日：2018-02-07

    申请号：EP16772514.2

    申请日：2016-03-24

    申请人： Kurita Water Industries Ltd.

    发明人： NAKAMURA, Taeko ,  KOWATA, Kenji ,  ENDO, Yoshihiko

    IPC分类号： C02F1/44 ,  B01D61/04 ,  B01D61/06 ,  B01D61/12 ,  C02F1/50 ,  C02F1/76

    CPC分类号： C02F1/766 ,  B01D61/04 ,  B01D61/06 ,  B01D61/12 ,  B01D65/08 ,  B01D2311/12 ,  B01D2313/246 ,  B01D2321/162 ,  B01D2321/168 ,  C02F1/44 ,  C02F1/441 ,  C02F1/76 ,  C02F2103/08 ,  C02F2303/10 ,  C02F2303/20 ,  Y02W10/30

    摘要： Provided is a method for operating an RO-membrane treatment system that includes an energy recovery device that recovers energy from the concentrate of an RO-membrane device and the RO-membrane treatment system that reduce the occurrence of biofouling in not only the RO-membrane device but also the energy recovery device in order to increase the energy efficiency of the entire system and operate the RO-membrane treatment system with consistency. The method includes adding at least one slime-control agent selected from a combined-chlorine slime-control agent and a stabilized-bromine slime-control agent to water that is to be treated with the reverse-osmosis-membrane device such that a residual halogen concentration in the concentrate that is to be introduced into the energy recovery device is 0.1 to 10000 mg/L as total chlorine.

    摘要翻译： 本发明提供一种RO膜处理系统的运转方法，该RO膜处理系统具备从RO膜装置的浓缩液和RO膜处理系统回收能量的能量回收装置，该RO膜处理系统不仅在RO膜中减少生物结垢的发生 装置还有能量回收装置，以提高整个系统的能量效率并且一致地操作RO膜处理系统。 该方法包括将至少一种选自组合氯泥控制剂和稳定溴煤泥控制剂的泥浆控制剂加入待用反渗透膜装置处理的水中，使得残余卤素 待引入能量回收装置的浓缩物中的总浓度以总氯计为0.1至10000mg / L。

    Apparatus and process for desalination of water as well as use of the apparatus
    7.
    发明授权
    Apparatus and process for desalination of water as well as use of the apparatus 有权
    用于淡化水的设备和方法以及设备的使用

    公开(公告)号：EP2861536B1

    公开(公告)日：2018-01-31

    申请号：EP13704590.2

    申请日：2013-02-13

    申请人： Sulzer Chemtech AG

    发明人： DETTE, Severine ,  AHMAD, Mansour M.M ,  STEPANSKI, Manfred

    IPC分类号： C02F1/44 ,  C02F1/22 ,  C02F1/00 ,  B01D61/08 ,  C02F101/10 ,  C02F103/08 ,  C02F103/10

    CPC分类号： C02F1/441 ,  B01D61/08 ,  C02F1/008 ,  C02F1/22 ,  C02F2101/10 ,  C02F2103/08 ,  C02F2103/10 ,  C02F2209/001 ,  C02F2209/02 ,  C02F2209/05 ,  C02F2303/10 ,  C02F2303/20 ,  C02F2303/22 ,  Y02A20/131 ,  Y02A20/132 ,  Y02W10/30 ,  Y02W10/37

    摘要： A process for desalinating water is disclosed. The process comprises the steps of passing a feed stream of saline solution 2′ in a first desalination step through a reverse osmosis membrane desalination plant 3′ comprising at least one reverse osmosis desalination unit 4′ to form a first product water stream 5′ having a reduced salt concentration relative to that of the feed stream of saline solution 2′ and a first byproduct stream 6′ having an increased salt concentration relative to that of the feed stream of saline solution 2′ characterized in that the first byproduct stream 6′ is passed in a second desalination step through a suspension crystallization unit 7 to form a second product water stream 8 having a reduced salt concentration relative to that of the first byproduct stream 6′ and a second byproduct stream 9 having an increased salt concentration relative to that of the first byproduct stream 6′. The invention further relates to an apparatus 1 for carrying out said process. The present invention further relates also to the use of the process or apparatus 1 for the reduction of the volume of the first byproduct stream of a reverse osmosis membrane desalination plant 3′, preferably an in-land desalination plant 3′, or in a device or plant or process for producing desalinated water, for salt production, for co-production of power and desalinated water, or for air conditioning.

    TUBULAR ELEMENTS FOR CAKE FILTRATION AND METHOD OF PROVIDING A FILTRATION CAKE
    10.
    发明公开
    TUBULAR ELEMENTS FOR CAKE FILTRATION AND METHOD OF PROVIDING A FILTRATION CAKE 审中-公开
    用于蛋糕过滤的管状元件和提供过滤蛋糕的方法

    公开(公告)号：EP3240758A1

    公开(公告)日：2017-11-08

    申请号：EP15817417.7

    申请日：2015-12-29

    申请人： Grundfos Holding A/S

    发明人： JÆGER, Tom ,  DOMINIAK, Dominik Marek ,  GAUSMANN, Marcel

    IPC分类号： C02F3/30 ,  C02F3/12 ,  C02F101/30

    CPC分类号： C02F3/1221 ,  C02F3/006 ,  C02F3/06 ,  C02F3/109 ,  C02F3/1215 ,  C02F3/302 ,  C02F2101/30 ,  C02F2203/006 ,  C02F2209/001 ,  C02F2209/03 ,  C02F2303/10 ,  C02F2303/20 ,  Y02W10/15 ,  Y02W10/30

    摘要： The present invention relates to a filtering device for a water treatment system comprising a biological treatment device adapted to provide a sludge from wastewater or filtrated wastewater, and/or the biological treatment device being fluidic connectable to or in fluidic connection with the filtering device for receiving filtrated wastewater from the filtering device and for delivering sludge to the filtering device. The filtering device is a cake filtration device comprising a fluid penetrable support structure and the support structure is provided as one or more tubular elements having a filtration cake provided on the inside of the fluid penetrable support structure. The filtering has device an inlet being connectable to receive liquid to be filtered so that the flux of liquid to be filtered is from the inside of the support structure, through the filtration cake and to the outside of the support structure thereby providing a filtrate, an outlet for outletting liquid from the interior of the tubular element, and a filtrate outlet for outletting filtrate from the filtering device. The filtration cake is being provided by deposition of solids from the sludge formed in the biological treatment device.