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填埋     
相关语句
  landfill
     The result showed that the landfill gases consisted of CH4, O2, CO2 and other gases, and the concentration of these gases were 62. 20%, 1.0%, 34.7% and 2.1% respectively.
     结果 场区内填埋气体含量分别为CH_4 62.2%,O_2 1.0%,CO_2 34.7%,其余气体2.1%;
短句来源
     Batch adsorption experiments were carried out to investigate effect of dissolved organic matter(DOM) of landfill leachate derived from different landfill sites(0?4~5?12y) on the sorption of Cd~ 2+ ,Pb~ 2+ in the acidic and calcareous soil.
     采用序批次吸附试验,研究了不同填埋年限(0、4~5、12a)垃圾渗滤液中的DOM对土壤吸持重金属Cd2+、Pb2+的影响.
短句来源
     Study of Landfill Gas Migration
     垃圾填埋气体横向迁移测试研究
短句来源
     As the results of the experiments illustrated,the environmental influence potential of landfill disposal,incineration disˉposal and synthesized disposal are3.59×10 -2 、5.87×10 -2 and1.90×10 -2 respectively.
     结果表明,卫生填埋处理、焚烧处理、综合处理的环境影响潜力分别为3.59×10 -2、5.87×10 -2与1.90×10 -2。
短句来源
     The results showed that the CH_4 and O_2 volume fractions in the landfill underlayer were (33.1%) and (1.1%,) respectively;
     结果表明:垃圾填埋体下层φ(CH4)为33 1%,φ(O2)为1 1%;
短句来源
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  sludge landfill
     Study on Engineering Application of Sludge Landfill
     污泥填埋的工程化应用研究
短句来源
     Study on Improvement of Dewatered Sludge Landfill Characteristics Utilizing Quicklime/Soil or Fly Ash as Additives
     添加生石灰/土、粉煤灰改善污泥填埋特性的研究
短句来源
     The results show that the improvement result of sludge landfill characteristics by quicklime/soil is better than that by quicklime/fly ash. When the ratio of quicklime ∶soil ∶sludge is 1 ∶4 ∶5 and the curing time is 20 days,the vane shear strength of mixture reaches more than 25 kPa,and the unconfined compressive strength reaches more than 50 kPa. This surpasses the minimum requirements for landfill.
     结果表明,生石灰/土对污泥填埋特性的改善效果优于生石灰/粉煤灰的,采用生石灰∶土∶污泥=1∶4∶5的配比在养护20 d时,试样的十字板抗剪强度>25 kPa、无侧限抗压强度>50 kPa,可达到最低填埋要求。
短句来源
     By analyzing the trends,accumulation of TOC and TN were increased with time went on. Theoretical guidance to the stabilization of sludge landfill was provided.
     测量了脱水污泥在干发酵的过程中与之相关的各种参数TOC、TN、VFA等的数值变化,得出了脱水污泥在干发酵过程中TOC和TN随着时间其浓度增加的规律,为污泥的填埋稳定化提供了理论指导。
短句来源
     Study on Effect of Additives on Sludge Landfill Leachate Properties
     添加剂对污泥填埋渗滤液性质影响研究
短句来源
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  landfill treatment
     The results showed that, the concentrations of pollutants in leachate of semi-aerobic landfllling structure reduced more quickly than that in anaerobic landfilling structure, the concentrations of COD BOD_5 and NH3-N in leachate of semi-aerobic landfill treatment declined rapidly, and after 28 weeks keep about 300mg/L 50mg/ and 30mg/L and.
     厌氧填埋装置渗滤液COD最大值为53600mg/L,各污染物浓度下降缓慢,在48周COD、BOD_5和NH_3-N浓度仍高达1000mg/g、150mg/L和1200mg/L,实验期间BOD_5/COD值都高于0.1。
短句来源
     The CH_ 4 average contents in semi-aerobic landfill treatment and anaerobic landfilling treatment were 10%~20% and 40%~60% respectively.
     通过比较分析,传统的厌氧填埋结构中填埋气的甲烷含量比较高(40%~60%),而准好氧填埋填埋气的甲烷含量只有10%~20%。
短句来源
     The average methane volume fractions in semi-aerobic landfill treatment and anaerobic landfilling treatment were 17.0% and 29.0%, respectively.
     在准好氧填埋、厌氧填埋体中,φ(CH4)的平均值分别为17 0%和29 0%。
短句来源
     However the concentrations of COD BOD5 and NH3-N in leachate of anaerobic landfill treatment still keep about 1000mg/L 150mg/L.
     准好氧填埋装置渗滤液NO_3~--N前期浓度较低,但在后期迅速上升,高达300mg/L,厌氧装置却基本检不出。
短句来源
     Study on Two-stage Aerobic Technology Applied in MSW Landfill Treatment
     二次性分段好氧技术应用于垃圾填埋的研究
短句来源
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  landfill area
     Design and Construction of Leachate Control Engineering for Sanitary Landfill Area in Hefei North Suburb Domestic Waste Treatment Plant.
     合肥垃圾处理总场填埋区防渗工程设计与施工
短句来源
     Determination of Landfill Area of Domestic Waste Sanitary Landfill Site in Bozhou City
     亳州市生活垃圾卫生填埋填埋库区的确定
短句来源
     During the Point-out Projects building, the temporary increasing content of suspended material, the reasonable and inevitable loss related to the creatures living at the bottom of landfill area and provisory influence to the halobios resource , which caused by the slit overflowing.
     三、指出工程建设过程中,由溢流泥沙所造成的周围海水悬浮物含量增加是暂时的,填埋区底栖生物的损失是不可避免的,对周围海洋生物资源的影响是暂时的。
短句来源
     This paper introduced the leachate control engineering and the assessment of leachate control effect of sanitary landfill area in north suburb domestic waste treatment plant of Hefei city.
     介绍合肥市北郊生活垃圾处理总场卫生填埋区防渗工程设计、施工和防渗效果的评估。
短句来源
     The overall technological design of Wuxi Industrial Hazardous Solid Waste Safe Landfill Site engineering were introduced,including waste disposal process,waste collecting,transporting and storage,pretreatment system,the landfill area structure,seepage control and final cover of landfill site,wastewater treatment technology etc.
     介绍无锡市工业固体(危险)废物安全填埋工程的总体工艺设计,包括填埋场废物处理总流程、废物收运贮存方案、预处理系统、填埋库结构、防渗和封场设计,以及废水处理工艺等。
短句来源

 

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      landfill
    The nitrogen removal mechanism was studied and analyzed when treating the ammonium-rich landfill leachate by a set of sequencing batch biofilm reactors (SBBRs), which was designed independently.
          
    Performance of landfill leachate treatment system with disc-tube reverse osmosis units
          
    Reverse osmosis system with the disc-tube module (DT-RO) was applied to treat landfill leachate on full scale at the Changshengqiao Sanitary Landfill, Chongqing City, China.
          
    Methane oxidation in the cover soil of the Khmet'evo municipal landfill in Moscow oblast was investigated.
          
    Methane emission from the experimental site of the landfill was highly heterogeneous.
          
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      sludge landfill
    Transportation analysis for sludge landfill site selection
          
    A solution framework for the Sludge Landfill Site Selection Problem (SLSSP) which arises in the context of environmental planning is presented.
          
    The digestor sludge landfill most probably contained short chain NPEOs as it is known that the long chain degrades fast.
          
      landfill treatment
    Erosion by acid rain, may leaching out even after the landfill treatment Cement solidification 1.
          
    Erosion by acid rain, may leaching out even after the landfill treatment Solidification and stabilization Solidification with cement and chelating 1.
          
      landfill area
    In this study, candidate sites for an appropriate landfill area in the vicinity of Ankara are determined by using the integration of geographic information systems and multicriteria decision analysis (MCDA).
          
    A geophysical investigation of a landfill area was conducted as inextricable phase of a preliminary geotechnical, geological and hydrogeological study of the area under investigation.
          
    The paper reports an integrated study undertaken to develop an environmental assessment of the uncontrolled sanitary landfill area of the city of Po?os de Caldas, State of Minas Gerais, Brazil.
          
    Keeping this in mind, we have performed a culture-dependent survey of important soil bacterial community diversity in East Calcutta Wetland area (Dhapa Landfill Area).
          
    Evaluation of Groundwater and Soil Pollution in a Landfill Area Using Electrical Resistivity Imaging Survey
          
    更多          


    The problem of soil pressure distribution around the circumference of buried tube structures was raised by prof. A. Marston in 1918, and there is not yet a satisfactory solution being found up-today. An attempt is made in this paper to sum up the problem as one to determine the stress concentration over a hole inlaid with an elastic ring in a medium of two-dimensional linear deformation under the action of gravity force, and a FEM analysis is worked out bearing following fruits: 1) the soil pressure concentration...

    The problem of soil pressure distribution around the circumference of buried tube structures was raised by prof. A. Marston in 1918, and there is not yet a satisfactory solution being found up-today. An attempt is made in this paper to sum up the problem as one to determine the stress concentration over a hole inlaid with an elastic ring in a medium of two-dimensional linear deformation under the action of gravity force, and a FEM analysis is worked out bearing following fruits: 1) the soil pressure concentration diagram appears in a shape of sharpened descent moon enveloping the hole, 2) the concentration of the shearing force takes a clawed-shape symmetric about the vertical axis; 8) for sake of designer's convenience, a system of Ks-H/D (soil pressure concentration coefficient at the top of tube—ratio of buried depth to the outer diameter of tube) curves is presented.In addition, a discussion is made on the Marston's theory, also comments on the Codes of railway, highway, municipal, and electric and water conservancy engineering designs are submitted for consideration.

    填埋式地下圆形结构物周边土压力分布,自1930年A.Marston教授提出该课题后,迄今未得满意解答。本文将该课题归结为求解在重力场作用下的二维直线变形介质内嵌有弹性圆环的孔洞应力集中问题,应用有限元法获得如下主要结果;1)沿孔周径向土压力集度呈新月形分布,2)剪力集度呈对纵轴对称的钳形分布;3)提出设计简图和管顶土压力集中系数K_(?)与H/D关系曲线组,供设计查用。 文中除对马氏理论进行商榷外,还对我国铁道、公路、市政、电力、水利等部门有关规范试呈管见。

    The choice of liner materials for landfill sites and utilization of landfill gas, two main problems faced with refuse landfill practice was discussed. It is proposed that bentonite may be used as liner materials. The landfill gas can be used for generating electricity wherever possible.

    就垃圾填埋处理中的两个主要问题──填埋场衬里材料选择与填埋产气利用问题进行了讨论。提出了拟主要采用膨润土作填埋场衬里材料的设想,并探讨了利用填埋产气的能量适当发电的可能性。

    The amount of municipal refuse grows rapidly and now is more than 73 millon tons everyyear.Generally,there are three treatment methods:incinerating,composting and landfill.In our country,composting method is the one most used and studided.During compostingsome leachate will surely be produced and if we directly discharge it,a great pollution in waterwill result.In fact the problem of leachate treatment is imperative in some places.In this paper,the authors first looked into the quality of the leachate and found...

    The amount of municipal refuse grows rapidly and now is more than 73 millon tons everyyear.Generally,there are three treatment methods:incinerating,composting and landfill.In our country,composting method is the one most used and studided.During compostingsome leachate will surely be produced and if we directly discharge it,a great pollution in waterwill result.In fact the problem of leachate treatment is imperative in some places.In this paper,the authors first looked into the quality of the leachate and found it con-taining a high percentage of COD_(cr)(30000mg/L),BOD_5(15000 mg/L)and NH_3-N(800mg/L).Then the feasibility of biological-physical chemical treatment of this leachate wastested.It was found that polyiron coagulant had a good removal efficiency for COD_(cr)andcolour(64.6 and 93.8 percent),that activated sludge treatment had a removal efficiency of74.5 percent for COD_(cr),and that aerating stir treatment had a removal efficiency of 56.8percent for NH3-N.After aerobic biological-physical chemical treatment all quality indexesexcept COD reached the state discharging standard.The aquatic plant purification verifiedthat the COD_(cr)removing efficiency was 64 percent.The proposed process for the purification of leachate by aerobic biological-physicalchemical treatment plus the use of aquatic plant has features of simplicity,economy and goodefficiency.It constifutes one of the most effective methods for the treatment of leachate ofmunicipal refuse oxybiotic compost,and will also be useful for the leachate treatment of mu-(?)icipal refuse landfill.

    我国城市垃圾的数量增长很快,全年排放垃圾7300万吨。处理城市垃圾的方法有焚烧、堆肥和填埋3大类。我国研究较多的是堆肥处理。在堆肥过程中有渗沥水产生。如不妥善处理,渗沥水就排入水体,将会严重污染水体。渗沥水处理问题,在某些地区已刻不容缓。作者首先调查了渗沥水的水质。结果表明 COD_(cr)(300000毫克/升)、BOD_5(15000毫克/升)、氨氮(800毫克/升)都较高。针对这种水质,试验了生化-物化处理的可行性。发现聚铁型凝聚剂对 COD_(cr)及色度有较高的去除率(分别为64.60%和93.8%);经活性污泥处理后,COD_(cr)的去除率也可达74.5%,弱鼓风搅拌处理,可脱除氨氮56.8%。好氧生化-物化联合处理的连续试验表明:除 COD 外,各项水质指标都达到国家工业废水排放标准。水生植物净化试验表明,凤眼莲对 COD 的去除可达64%。好氧生化-物化联合处理再加水生植物净化的渗沥水处理,工艺简单、经济效果和处理效果都好,是处理城市垃圾好氧堆肥渗沥水的有效途径之一。它对城市垃圾填埋渗透水的处理,也有应用的前途。

     
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