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    • 54. 发明申请
    • Fluid distribution and collection in landfills and contaminated sites
    • 填埋场和污染场地的流体分布和收集
    • US20080131206A1
    • 2008-06-05
    • US11980050
    • 2007-10-29
    • Milind V. Khire
    • Milind V. Khire
    • E02B11/00B09B5/00
    • B09B3/00B09B1/00B09C1/02
    • A fluid injection and removal system to inject or remove fluids from a landfill or contaminated area. The system allows for treatment of waste in the landfill or the contaminated area. The fluid injection and removal system includes a permeable layer and at least one perforated pipe. The permeable layer enables essentially uniform distribution of the fluid into the underlying waste or contaminated area. The fluid injection and removal system can be combined with a leachate collection system to create a leachate recirculation system for use in a landfill. The leachate collection system includes at least one perforated collection pipe embedded in a drainage layer. Sensors can be provided in the permeable layer to enable the change in the physical characteristics of the waste adjacent the permeable layer to be monitored.
    • 用于从填埋场或污染区域注入或清除流体的流体注入和移除系统。 该系统允许处理垃圾填埋场或污染区域的废物。 流体注入和移除系统包括可渗透层和至少一个穿孔管。 可渗透层使流体基本均匀地分布到下面的废物或污染区域中。 流体注入和去除系统可以与渗滤液收集系统组合以产生用于填埋场的渗滤液再循环系统。 渗滤液收集系统包括嵌入在排水层中的至少一个穿孔收集管。 可以在渗透层中提供传感器,以使邻近待监测渗透层的废物的物理特性发生变化。
    • 55. 发明授权
    • Composition and method for forming a sprayable materials cover
    • 用于形成可喷涂材料盖的组合物和方法
    • US07284930B2
    • 2007-10-23
    • US10689415
    • 2003-10-20
    • Caijun ShiYanzhong Wu
    • Caijun ShiYanzhong Wu
    • B09B5/00
    • B09B1/004E02B3/122Y02W30/32
    • An alternative cover for landfill may be formed from a slurry mixture of water, cementitious binder, adhesion enhancing admixture and fiber. These constituents may be mixed and applied to cover landfilled wastes, granular material piles or for soil erosion control. The cover will harden to minimize water infiltration, wind blown dust, odor and affinity to birds, flies and other insects. The water may include tap water, landfill leachate and wastewater. The binder may include Portland cement, blended cement, cement kiln dust, class C fly ash, and/or calcium sulphate hemihydrate. The adhesion enhancing admixture includes water-dispersible polymers. The fibers may comprise shredded paper or wood or plastic fibers.
    • 可以由水,水泥粘合剂,粘合增强混合物和纤维的浆料混合物形成用于填埋的备选盖。 这些成分可以混合并用于覆盖填埋废物,颗粒物料堆或用于土壤侵蚀控制。 盖子将硬化以尽量减少水分渗入,风吹灰尘,气味和亲和力,鸟类,苍蝇和其他昆虫。 水可能包括自来水,垃圾渗滤液和废水。 粘合剂可以包括波特兰水泥,混合水泥,水泥窑灰,C类飞灰和/或硫酸钙半水合物。 粘合增强混合物包括水分散性聚合物。 纤维可以包括切碎的纸或木材或塑料纤维。
    • 56. 发明申请
    • SWELLABLE SOL-GELS, METHODS OF MAKING, AND USE THEREOF
    • 可溶性溶胶凝胶,制备方法及其用途
    • US20070112242A1
    • 2007-05-17
    • US11537944
    • 2006-10-02
    • Paul Edmiston
    • Paul Edmiston
    • B01D53/14B09B5/00C08G77/48
    • C08G77/48C02F1/28C02F1/281C02F1/285C02F1/681
    • The present invention relates to a method of making a swellable sol-gel composition that involves the use of a bridged silane precursor. The resulting sol-gel includes residual silanols, which are derivatized with a reagent having at least one silanol-reactive group and at least one alkyl group; and the sol-gel is then dried. Sol-gels of the invention are demonstrated to swell up to about 8-10 times their original volume in the presence of a non-polar sorbate. The sol-gel compositions can be used in a sorbate-activated actuator or in a detector for non-polar sorbates. The sol-gel compositions can further be used to take up non-polar sorbates for purposes of chemical remediation, extraction from aqueous systems or vapor, and chemical sensing.
    • 本发明涉及一种制备可溶胀溶胶 - 凝胶组合物的方法,该组合物涉及使用桥连硅烷前体。 所得溶胶 - 凝胶包括残留的硅烷醇,其用具有至少一个硅烷醇反应性基团和至少一个烷基的试剂衍生化; 然后将溶胶 - 凝胶干燥。 证明本发明的溶胶凝胶在非极性山梨酸存在下可膨胀至其原始体积的约8-10倍。 溶胶 - 凝胶组合物可用于山梨酸激活的致动器或用于非极性山梨酸盐的检测器中。 溶胶 - 凝胶组合物可以进一步用于摄取非极性的山梨酸盐,用于化学修复,从水性体系或蒸气中提取,以及化学感测。
    • 57. 发明授权
    • Landfill design and method for improved landfill gas capture
    • 垃圾填埋场设计和改进填埋气捕集方法
    • US07198433B2
    • 2007-04-03
    • US11187639
    • 2005-07-22
    • Don Churchill AugensteinJohn Rudiger BenemannRamin Yazdani
    • Don Churchill AugensteinJohn Rudiger BenemannRamin Yazdani
    • B09B5/00
    • B09B1/004B09B1/00B09B1/006Y02C20/20Y02E50/343Y02W30/32Y02W30/35
    • The invention provides an improved method of collecting biogas from a landfill that results in more complete collection of biogas produced in the landfill, and with less contamination with air. The method involves providing the landfill with an upper gas containment layer near the surface of the landfill to retard biogas escape and air entrainment into the landfill. Underneath the gas containment layer is provided a gas-permeable conductive layer. Underneath the conductive layer, a well withdraws biogas from the landfill. Withdrawal of biogas from the well creates a partial vacuum that draws gas from the gas-permeable conductive layer down through the waste mass to the well. If the rate of gas withdrawal from the well is too rapid, air will be entrained from the atmosphere into the gas-permeable conductive layer. But if the rate of gas withdrawal from the well is too slow, biogas may percolate through the gas-containment layer and the surface of the landfill to escape. Monitoring the gas composition of the gas-permeable layer allows one to determine quickly and continuously whether the rate of gas withdrawal from the well is too fast or too slow.
    • 本发明提供了一种从填埋场收集沼气的改进方法,其可以更好地收集在垃圾填埋场中产生的沼气,并减少对空气的污染。 该方法包括在垃圾填埋场的表面附近提供填埋场上的上部气体容纳层,以阻止生物气体逸出和空气夹带进入垃圾填埋场。 在气体容纳层下面设置透气导电层。 在导电层下面,一个井从垃圾填埋场中抽出沼气。 从井中取出生物气体产生部分真空,将气体从气体渗透导电层向下通过废料到井。 如果从井中取出气体的速度太快,则空气将从大气中夹带到透气导电层中。 但是,如果从井中取出气体的速度太慢,沼气可能渗透通过气体封闭层,并且填埋场的表面逸出。 监测气体渗透层的气体成分允许快速且连续地确定从井中取出气体的速率是否太快或太慢。
    • 59. 发明申请
    • Method to produce landfill daily cover from sewer sludge and MSW
    • 污水污泥和城市固体废弃物每天生产垃圾填埋场的方法
    • US20060120807A1
    • 2006-06-08
    • US11002449
    • 2004-12-02
    • Randal Myers
    • Randal Myers
    • B09B5/00
    • B09B1/004C02F11/14C02F11/185Y02W30/32
    • Landfill daily cover and general ground cover is produced from sewer sludge and/or municipal solid waste by adding an amount of cellulose material to form a de-watered stream having a water content of about 55% or less by weight. The de-watered stream is then treated to reduce its pathogen concentration, preferably by first grinding the de-watered stream to form an average 10-50 mesh particle size stream that is then heat treated to further reduce the water content to 20%, preferably 5%-15%, by weight. To produce a daily cover a flame retardant material is added in amounts to qualify the end product as landfill daily cover.
    • 通过添加一定量的纤维素材料以形成含水量为约55重量%以下的脱水流,由污水污泥和/或城市固体废物生产垃圾填埋场日常保护层和一般地面覆盖物。 然后处理脱水的流以降低其病原体浓度,优选首先研磨脱水流以形成平均10-50目的粒度流,然后将其进行热处理以进一步将水含量降低至20% 5%-15%(重量)。 为了生产日常盖子,添加了阻燃材料,以使最终产品符合资格,作为垃圾填埋场的日常保护。
    • 60. 发明授权
    • Proppant recovery system
    • 支撑剂回收系统
    • US07040418B2
    • 2006-05-09
    • US10284125
    • 2002-10-30
    • Martin SlaterDaniel PerezNicholas HilbigGary DietzenBrian Campbell
    • Martin SlaterDaniel PerezNicholas HilbigGary DietzenBrian Campbell
    • E21B21/06B09B5/00
    • E21B41/005E21B21/01
    • An improved method for removing proppant from fluid used in an oil and gas well for reuse in future operations. The proppant is separated from the well fluid and transported to a materials collection tank. A crane then transports the materials collection tank onto a processing boat. On the processing boat, the proppant is vacuumed from the materials collection tank to a hopper. The proppant is then discharged from the hopper into a holding tank for treatment and reuse. In a first alternative embodiment, two hoppers are positioned above each other so that the proppant can be added to the upper hopper and then fed by gravity to the lower hopper. A valving arrangement maintains vacuum within the interior of at least one hopper at all times to provide a continuous vacuum operation. A conduit discharges from the lower hopper into the holding tank.
    • 一种改进的方法,用于从石油和天然气井中使用的流体中除去支撑剂,以供将来的作业再利用。 支撑剂与井液分离并运送到材料收集罐。 然后起重机将物料收集罐运输到加工船上。 在处理船上,将支撑剂从材料收集罐抽真空至料斗。 然后将支撑剂从料斗中排出到储罐中进行处理和再利用。 在第一替代实施例中,两个料斗位于彼此之上,使得支撑剂可以被添加到上料斗中,然后通过重力进料到下料斗。 阀装置始终在至少一个料斗的内部保持真空以提供连续的真空操作。 管道从下料斗排放到储罐中。