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    LOW-TEMPERATURE, EJECTOR ASSISTED DRYER APPARATUS, METHODS AND DEPLOYMENT THEREOF
    1.
    发明申请
    LOW-TEMPERATURE, EJECTOR ASSISTED DRYER APPARATUS, METHODS AND DEPLOYMENT THEREOF 审中-公开

    公开(公告)号：WO2022198302A1

    公开(公告)日：2022-09-29

    申请号：PCT/CA2022/050372

    申请日：2022-03-14

    Applicant: HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES

    Inventor： BASHIRI, Hamed

    IPC: F26B5/04 ,  F26B17/18

    Abstract: The invention discloses method and system of drying renewable sources of energy and raw material. The drying process is carried out under partial vacuum conditions and at lower temperatures than conventional dryers. The temperature to dry the material and the rate of water removal are controlled by regulating the degree of vacuum and the intensity of heat input. A method for drying material to moisture content below 10% by weight, comprises introducing into an ejector a stream with a pressure above ambient pressure, creating partial vacuum in a drying chamber through the secondary nozzle of the ejector when the stream enters the ejector and provides the motive pressure to the primary nozzle of the ejector, said drying chamber having an inlet into which a wet material is introduced and an outlet for taking out the dried material after the drying treatment, drying the wet material using low temperature waste heat.

    CATALYZED PARTICULATE FILTER FOR SOOT REMOVAL FROM ENGINE EXHAUST
    2.
    发明申请
    CATALYZED PARTICULATE FILTER FOR SOOT REMOVAL FROM ENGINE EXHAUST 审中-公开

    公开(公告)号：WO2020257919A1

    公开(公告)日：2020-12-30

    申请号：PCT/CA2020/050506

    申请日：2020-04-16

    Applicant: HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES

    Inventor： NOSSOVA, Lioudmila ,  CARAVAGGIO, Gianni

    IPC: B01D53/02 ,  B01J20/20

    Abstract: The invention discloses use of a catalyzed particulate filter loaded with a silver-zirconia catalyst prepared by citric acid-assisted sol-gel method for soot removal from engine exhaust. The invention discloses a method of making xAg/ZrO 2 where x is 20 mol%, said method comprises: mixing aqueous solutions of AgNO 3 and ZrO(NO 3 ) 2 hydrate to produce a first mixture, adding an aqueous solution of citric acid to the first mixture, wherein the molar ratio of metal ions to citric acid is about 1:3 to produce a second mixture; heating the second mixture to about 80–90 °C to evaporate excess water in the second mixture to form a viscous gel, charring the viscous gel at about 200 °C for about 12 hours to produce a foam-like material, grounding the foam-like material to form a grounded material, and calcinating the grounded material at 500 °C for about 10 hours.

    SUPPLEMENTAL BURNER FOR CONVERSION OF BIOMASS AND RELATED SOLID FUEL
    6.
    发明申请
    SUPPLEMENTAL BURNER FOR CONVERSION OF BIOMASS AND RELATED SOLID FUEL 审中-公开
    补充燃烧器用于生物质和相关固体燃料的转化

    公开(公告)号：WO2013142945A1

    公开(公告)日：2013-10-03

    申请号：PCT/CA2012/000292

    申请日：2012-03-29

    Applicant: HER MAJESTY THE QUEEN IN RIGHT OF CANADA as represented by THE MINISTER OF NATURAL RESOURCES ,  CLEMENTS, Bruce ,  HERAGE, Ted ,  POMALIS, Richard

    Inventor： CLEMENTS, Bruce ,  HERAGE, Ted ,  POMALIS, Richard

    IPC: F23G5/027 ,  F23B10/02 ,  F23B30/02 ,  F23B60/00 ,  F23G7/00

    CPC classification number: F23G5/002 ,  F23B10/02 ,  F23B30/02 ,  F23B90/06 ,  F23G5/027 ,  F23G2201/303 ,  Y02E20/12

    Abstract: A conversion burner, a system of conversion burners, and a method of conversion of a solid fuel selected from at least one of biomass and peat. The burner is constructed and arranged to be affixed to a combustor, and comprises a housing defining a burner chamber; a grate within the burner chamber defining an upper chamber region and a lower chamber region; at least a first solid fuel inlet; at least a first air inlet operatively connected to the upper chamber region and connectable to a first air source; a product gas outlet operatively connected to the combustion region of the combustor; and at least one waste outlet. The product gas is delivered to the combustor for firing or co-firing, overcoming fouling problems which result from direct delivery of solid fuel to the combustor, and problems raised by remote conversion or storage of solid fuel.

    Abstract translation: 转换燃烧器，转炉燃烧器系统以及选自生物质和泥煤中的至少一种的固体燃料的转化方法。 燃烧器被构造和布置成固定到燃烧器，并且包括限定燃烧室的壳体; 燃烧器室内的格栅限定了上室区域和下室区域; 至少第一固体燃料入口; 至少第一空气入口，其可操作地连接到所述上室区域并且可连接到第一空气源; 可操作地连接到燃烧器的燃烧区域的产品气体出口; 和至少一个废物出口。 将产物气体输送到燃烧器进行烧制或共烧，克服了将固体燃料直接输送到燃烧器产生的结垢问题，以及通过远程转化或储存固体燃料引起的问题。

    PROCESS OF LEACHING PRECIOUS METALS
    7.
    发明申请
    PROCESS OF LEACHING PRECIOUS METALS 审中-公开
    浸出重金属的过程

    公开(公告)号：WO2013023297A1

    公开(公告)日：2013-02-21

    申请号：PCT/CA2012/050550

    申请日：2012-08-14

    Applicant: HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES CANADA ,  XIA, Chen

    Inventor： XIA, Chen

    IPC: C22B3/26 ,  C22B11/00 ,  C22B3/28

    CPC classification number: C22B11/04 ,  C22B3/04

    Abstract: The invention relates to modifications of a non-ammoniacal thiosulfate process of leaching precious metals (e.g. gold or silver) from precious metal-containing ores. The process involves leaching the ore with an aqueous lixiviant containing a soluble thiosulfate other than ammonium thiosulfate, a copper compound and an organic compound that serves as a copper ligand (i.e. a ligand-forming compound). Four modifications of this process are effective for increasing the amount of precious metal that can be extracted, reducing the consumption of materials, or for improving the rate of extraction. These four process, which may be used singly or in any combination, include (a) additions of soluble lead (e.g. as lead nitrate), (b) additions of thiourea, (c) increases in dissolved oxygen, and (d) increases of temperature at ambient pressure. This avoids the use environmentally harmful chemicals and allows for extraction from a variety of ores, e.g., containing substantial amounts of sulfides and/or quartz.

    Abstract translation: 本发明涉及从含贵金属的矿石中浸出贵金属（例如金或银）的非氨硫代硫酸盐方法的改进。 该方法包括用除了硫代硫酸铵以外的可溶性硫代硫酸盐，铜化合物和用作铜配体的有机化合物（即配体形成化合物）的含水浸液浸出矿石。 该方法的四个修改对于增加可提取的贵金属的量，减少材料的消耗或提高萃取速率是有效的。 这四种方法可以单独使用或以任意组合使用，包括（a）添加可溶性铅（如硝酸铅），（b）添加硫脲，（c）溶解氧增加，（d）增加 环境压力下的温度。 这避免了使用对环境有害的化学品，并允许从各种矿石中提取，例如含有大量的硫化物和/或石英。

    FLUE GAS RECIRCULATION METHOD AND SYSTEM FOR COMBUSTION SYSTEMS
    10.
    发明申请
    FLUE GAS RECIRCULATION METHOD AND SYSTEM FOR COMBUSTION SYSTEMS 审中-公开
    用于燃烧系统的燃气回收方法和系统

    公开(公告)号：WO2011069257A1

    公开(公告)日：2011-06-16

    申请号：PCT/CA2010/001954

    申请日：2010-12-10

    Applicant: HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES ,  CLEMENTS, Bruce ,  POMALIS, Richard

    Inventor： CLEMENTS, Bruce ,  POMALIS, Richard

    IPC: F23C9/00 ,  F23J15/00 ,  F27D17/00

    CPC classification number: F27B9/3005 ,  F23C9/00 ,  F27B9/20 ,  F27B9/36 ,  F27D17/001 ,  F27D17/002

    Abstract: A method and system for improving high excess air combustion system efficiency, including induration furnaces, using a re-routing of flue gas within the system by gas recirculation. Flue gas is drawn from hot system zones including zones near the stack, for re-introduction into the process whereby the heat recovery partially replaces fuel input. At least one pre-combustion drying zone, at least one combustion zone, and at least a first cooling zone exist in these furnaces. At least one exhaust gas outlet is provided to each pre-combustion drying and combustion zone. At least part of the gaseous flow from each system zone exhaust outlet is selectively delivered to an overall system exhaust, the remaining flow being selectively delivered via recirculation to cooling zones. Recirculation flow is adjusted to meet required system temperatures and pressures. The method and system provide efficiency improvements, reducing fuel requirements and greenhouse gas emissions.

    Abstract translation: 一种用于通过气体再循环在系统内重新路由烟道气来改善高空气过剩空气燃烧系统效率的方法和系统，包括硬化炉。 烟气从包括堆叠附近的区域的热系统区域抽出，以重新引入到该过程中，由此热回收部分地替代燃料输入。 在这些炉中存在至少一个预燃烧干燥区，至少一个燃烧区和至少第一冷却区。 至少一个废气出口被提供给每个预燃烧的干燥和燃烧区。 来自每个系统区排气出口的气流的至少一部分被选择性地输送到整个系统排气，剩余的流通过再循环被选择性地输送到冷却区。 循环流量被调节以满足所需的系统温度和压力。 该方法和系统提高效率，减少燃料需求和温室气体排放。

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