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    AGENT FOR DECREASING FLUIDITY OF SOLID-LIQUID MIXTURE, AND METHOD FOR PRODUCING LOW-FLUIDITY MIXTURE
    1.
    发明公开
    AGENT FOR DECREASING FLUIDITY OF SOLID-LIQUID MIXTURE, AND METHOD FOR PRODUCING LOW-FLUIDITY MIXTURE 审中-公开

    公开(公告)号：EP3385352A1

    公开(公告)日：2018-10-10

    申请号：EP16870637.2

    申请日：2016-11-29

    申请人： Growth Partners, Limited

    发明人： AIHARA, Keiichi ,  FUJII, Shigeatsu ,  MIYAMOTO, Mitsuya ,  OYA, Yohei ,  TERAMURA, Satoshi ,  MINAGAWA, Hideaki ,  OYANE, Yuichi

    IPC分类号： C09K3/00 ,  C02F11/00 ,  C09K17/32 ,  E02D3/00 ,  E02F7/00

    CPC分类号： C02F11/00 ,  C08L97/02 ,  E02D3/00 ,  E02F7/00

    摘要： Provided are an agent for decreasing the fluidity of a solid-liquid mixture and a method, whereby it becomes possible to decrease the fluidity of a solid-liquid mixture within a short time and by a simple operation while preventing the increase in the volume of the solid-liquid mixture, regardless of the chemical composition of the solid-liquid mixture. The agent for decreasing the fluidity of a solid-liquid mixture according to the present invention is a granular material having a structure formed by entangled fibers. In one embodiment of the agent for decreasing the fluidity, the granular material has an average particle diameter of 300 µm or less and a specific surface area of 0.25 to 100 m2/g inclusive as measured by a BET method. In another embodiment of the agent for decreasing the fluidity, the granular material has a porosity of 50% or more as calculated in accordance with the formula: (1 - (bulk density)/(true density)) × 100 and a specific surface area of 0.25 to 100 m2/g inclusive as measured by a BET method. It is preferred that each of the fibers contains a hydrophilic polymer. The hydrophilic polymer is preferably cellulose. The solid-liquid mixture is preferably mud.

    Process for nitrogen extraction from digestates obtained by metanogenic fermentation, zootechnical dejecta and sewage sludges
    4.
    发明公开
    Process for nitrogen extraction from digestates obtained by metanogenic fermentation, zootechnical dejecta and sewage sludges 审中-公开
    发酵酵母发酵发酵gärresten，zootechnischen Exkrementen undKlärschlämmen

    公开(公告)号：EP2757076A1

    公开(公告)日：2014-07-23

    申请号：EP14151869.6

    申请日：2014-01-21

    申请人： Syngen S.r.l.

    发明人： CELLA, Fabio

    IPC分类号： C02F9/00 ,  C02F101/16 ,  C02F1/66 ,  C02F103/20 ,  C02F11/00 ,  C02F1/20

    CPC分类号： C02F9/00 ,  B01D53/84 ,  B01D53/925 ,  B01D2257/404 ,  B01D2257/406 ,  C02F1/20 ,  C02F1/66 ,  C02F11/00 ,  C02F2101/16 ,  C02F2103/20 ,  C05F17/0045 ,  C12M47/18 ,  Y02A50/2358 ,  Y02E50/343 ,  Y02P20/145 ,  Y02P20/59 ,  Y02W30/43 ,  Y02W30/47

    摘要： Process for elimination of nitrogen from biomass DIG0 and reuse thereof for energy purposes, comprising the following steps:
    A) alkaline conditioning of the biological starting material DIG0, adding calcium oxide (CaO) thereto and forming a first biomass DIG1 with pH>10 and free ammonia (NH 3 ) in gaseous form;
    B) stripping of the ammonia (NH 3 ) from said first DIG1 biomass resulting from step A) via injection of air, with generation of a second biomass DIG2, free from ammonia, with low nitrogen content and alkaline pH, and a gaseous fluid GAS1 containing air, ammonia (NH 3 ) and water vapour;
    C) introduction of the gaseous fluid GAS1 resulting from step B) into an internal combustion cogenerator, fuelled by biogas or other fuel, with use of the ammonia (NH 3 ) contained in the GAS1 for energy purposes, by means of combustion thereof together with the main fuel, and reduction of the nitrogen oxides present in the exhaust gases (GAS2) of the cogenerator by means of catalytic converters;
    D) purification, from nitrogen oxides, of the gaseous fluid GAS2 containing NOx, H 2 O, CO 2 and N 2 generated during step C) by means of:
    - injection of the gaseous fluid GAS2 into the said biomass DIG2 resulting from step B);
    - combination of the nitrogen oxides (NOx) of the gaseous fluid GAS2 with the alkaline mass of the biomass DIG2 with formation of calcium nitrite [Ca(NO 2 ) 2 ] and calcium nitrate [Ca(NO 3 ) 2 ] and simultaneous lowering of the pH of the biomass DIG2;
    - production of a gaseous fluid GAS3 devoid of NOx and a resultant biomass DIG3 with pH lower than the pH of DIG2.

    摘要翻译： 包括以下步骤：A）对生物原料DIG0进行碱性调节，向其中加入氧化钙（CaO）并形成pH> 10的第一生物质DIG1，并释放游离碱 气态氨（NH 3） B）通过注入空气从步骤A）产生的所述第一DIG1生物质中除去氨（NH 3），产生低氮含量和碱性pH的无氨的第二生物质DIG2和气态流体GAS1 含有空气，氨（NH 3）和水蒸气; C）将通过步骤B）得到的气态流体GAS1引入由沼气或其他燃料燃料的内燃式发电机中，使用GAS1中所含的氨（NH 3）作为能量目的，通过其燃烧连同 主要燃料，以及通过催化转化器还原存在于热电联产机废气（GAS2）中的氮氧化物; D）通过以下步骤从氮氧化物净化含有NOx，H 2 O，CO 2和N 2的气态流体GAS2： - 将气态流体GAS2注入由步骤B产生的所述生物量DIG2中 ）; - 气态流体GAS2的氮氧化物（NOx）与生物质DIG2的碱性物质的结合，形成亚硝酸钙[Ca（NO 2）2]和硝酸钙[Ca（NO 3）2]并同时降低 生物量DIG2的pH值; - 生产没有NOx的气态流体GAS3和pH低于DIG2的pH的生成物DIG3。

    METHOD AND APPARATUS FOR BIOLOGICALLY TREATING ORGANIC DISCHARGED WATER
    8.
    发明公开
    METHOD AND APPARATUS FOR BIOLOGICALLY TREATING ORGANIC DISCHARGED WATER 审中-公开
    方法和装置的有机废水生物处理

    公开(公告)号：EP2022763A1

    公开(公告)日：2009-02-11

    申请号：EP06745862.0

    申请日：2006-04-28

    申请人： Kurita Water Industries Ltd.

    发明人： FUJISHIMA, Shigeki

    IPC分类号： C02F3/12 ,  C02F1/44 ,  C02F11/02

    CPC分类号： C02F3/121 ,  B01D2315/06 ,  C02F1/38 ,  C02F3/085 ,  C02F3/10 ,  C02F3/1221 ,  C02F3/1273 ,  C02F3/32 ,  C02F11/00 ,  C02F2103/28 ,  C02F2103/32 ,  C02F2203/004 ,  C02F2209/06 ,  C02F2303/06 ,  C02F2305/06 ,  Y02W10/15

    摘要： In a single-tank activated sludge process or a multistage activated-sludge process using predation action of animalcules, an improvement in treatment efficiency and a decrease in the amount of excess sludge generation are achieved, while maintaining stable treated water qualities. In a biological treatment wherein organic wastewater is introduced to a first biological treatment tank 1A and is biologically treated with bacteria, the treatment liquid containing the bacteria in the first biological treatment tank 1A is introduced to a second biological treatment tank 1B and is activated-sludge treated, and the treatment liquid from the second biological treatment tank 1B is separated into sludge and treated water, a portion of the sludge in the second biological treatment tank 1B and/or at least a portion of the separated sludge is introduced into a sludge treatment tank 3 having a submerged filter element 4 with a pore diameter of 5 to 100 µm in the tank and is subjected to aerobic biological treatment, and the liquid permeated through the submerged filter element 4 is returned to the first biological treatment tank 1A and/or the second biological treatment tank 1B. Both high effect of reduction in the amount of sludge and satisfactory treated water qualities can be simultaneously achieved by reducing the amount of sludge with animalcules in the sludge treatment tank 3, allowing residual fine components to permeate through the submerged filter element 4, and, again, returning the fine components to the filter predation animalcule tank 1B for predation.

    摘要翻译： 在单罐活性污泥法或者利用微型动物以改善处理效率，并在剩余污泥的产生得以实现的量的减少的捕食作用，同时保持稳定的处理水质量的多级活性污泥法。 在worin有机性废水的生物处理被引入到第一生物处理槽1A和进行生物与细菌治疗，包含在第1生物处理槽1A中的细菌的处理液导入到第2生物处理槽1B，是活性污泥 处理，并从第2生物处理槽1B的处理液分离成污泥和处理水，在第2生物处理槽1B所涉及的污泥的一部分和/或至少将分离污泥的一部分被引入到污泥处理 槽3具有浸渍滤材元件4中的罐5至100微米的孔径，并进行需氧性生物处理，并通过浸没过滤器元件4渗透的液体返回到所述第1生物处理槽1A和/或 第2生物处理槽1B。 减少污泥和满意的处理后的水的质量的量的两个高的效果可以通过减少污泥量与在污泥处理槽3微型动物，允许残留微细成分透过浸没式过滤器元件4渗透同时实现，并且，再次 ，返回微细成分到过滤捕食了微生物槽1B用于捕食。