污水处理工程英语

1】Professional English on Water Supply and Sewerage Engineering 给水排水工程专业英语drains for water-carried wastes 污水处理(排污水的排水管道)a settling reservoir 预沉池aqueduct 渠道，导水管filtration 过滤distillation 蒸馏clarification 澄清coagulation血凝stone-grated 格栅、格网turbidity 浊度cistern 蓄水池、槽gpcd 每日每人加仑数coagulant 混凝剂combined sewers 合流制排水管道prehistoric word 石器时代rapid-sand filter 快砂滤池water supply and wastewater disposal facilities给排水处理设施per capita 按人口平均计算ferment 发酵toxic 有毒的These cisterns provided a daily average supply of about 4.2 gallons per capita per day(gpcd).这些贮水池仅能提供每人每天4.2加仑的水量The connection was established between a contaminated water supply and spread of the disease, and it was determined that the absence of effective sewerage was a major hindrance in combating the problem. 人们发现疾病的传播和饮用水受到污染有关，并由此确定缺少有效的排水系统是解决这一问题的主要障碍。

2】The exterior network 室外管网distribution systems 配水系统communication pipe引入管 a meter box 水表节点/盒pressure booster增压装置storage tank 储水箱 a piping line管道water-dispensing fixtures配水器具water meter 水表flange 法兰；阀门gate valve 闸阀deaerator除氧器incorporate 合并fixture trap 存水弯plumbing fixture 卫生器具manhole 检查井fire-protection 消防The function of a drainage system in a building is to remove safely and quickly sanitary sewage, industrial wastes, and rainwater.室内排水系统的作用是为了安全快速地排出生活污水、工业废水和雨水。

污水处理流程英语介绍Wastewater treatment is a critical process that aims to remove contaminants from wastewater, primarily from household sewage and industrial effluents, to produce an effluent that can be safely returned to the environment. Here's an overview of the wastewater treatment process 英文版:Introduction to Wastewater Treatment ProcessWastewater treatment is an essential part of modern infrastructure, designed to protect the environment and human health. It involves a series of processes to removeimpurities and harmful substances from water that has been used in homes, businesses, and industries.1. Preliminary TreatmentThe first step in wastewater treatment is the preliminary treatment, which includes screening and grit removal. Large debris and grit are physically removed from the wastewater to prevent damage to the equipment and pipes downstream.2. Primary TreatmentFollowing preliminary treatment, the wastewater undergoes primary treatment, where it is allowed to settle in large tanks. This process, known as sedimentation, separates the heavier particles from the water, forming sludge that can beremoved and treated separately.3. Secondary TreatmentSecondary treatment involves the biological breakdown of organic matter in the wastewater. This is typically achieved through the use of activated sludge processes, trickling filters, or rotating biological contactors. Microorganisms consume the organic matter, converting it into carbon dioxide, water, and biomass.4. Tertiary TreatmentTertiary or advanced treatment is the final stage of the process, aimed at removing nutrients such as nitrogen and phosphorus, which can cause eutrophication in water bodies. This step may include filtration, disinfection, and the useof chemical processes to precipitate out remaining contaminants.5. Sludge TreatmentThe sludge produced during primary and secondarytreatment is not simply discarded. It undergoes further treatment to reduce its volume and stabilize it for disposalor reuse. This can involve processes such as anaerobic digestion, which produces biogas, or composting.6. DisinfectionBefore the treated water is released back into theenvironment, it is disinfected to kill any remaining pathogens. Common disinfection methods include chlorination, ultraviolet light, and ozonation.7. Discharge or ReuseFinally, the treated water, now considered effluent, is either discharged into rivers or oceans or treated furtherfor reuse in irrigation, industrial processes, or even as potable water in some cases.Wastewater treatment is a multifaceted process that requires careful management and advanced technology to ensure the protection of our water resources. As populations grow and water scarcity becomes more prevalent, the importance of efficient wastewater treatment will only increase.。

污水处理英语作文Water pollution is a pressing environmental issue that affects communities around the world. Untreated wastewater can contaminate drinking water sources, harm aquatic ecosystems, and pose a threat to public health. Effective wastewater treatment is crucial to mitigate these impacts and ensure a sustainable water supply.One of the primary sources of water pollution is the discharge of untreated or inadequately treated sewage from residential, commercial, and industrial sources. Sewage can contain a variety of pollutants, including pathogens, organic matter, nutrients, heavy metals, and synthetic chemicals. These pollutants can have detrimental effects on the environment and human health if not properly managed.Wastewater treatment is the process of removing contaminants from wastewater to produce an effluent that is safe for discharge into the environment. The treatment process typically involves a series of physical, chemical, and biological processes to remove various pollutants. The specific treatment methods used will depend on the characteristics of the wastewater and the desired level of treatment.The first stage of wastewater treatment is typically the primary treatment, which involves the removal of larger solids and floating debris through screening and sedimentation. This stage helps to reduce the overall organic load and suspended solids in the wastewater. The secondary treatment stage then focuses on the removal of dissolved organic matter and nutrients, such as nitrogen and phosphorus, through biological processes. This is often achieved through the use of activated sludge or trickling filter systems, where microorganisms break down the organic matter and convert the nutrients into less harmful forms.In some cases, tertiary treatment may be required to further purify the wastewater. This can include processes such as disinfection, advanced oxidation, or membrane filtration to remove any remaining contaminants and ensure the effluent meets the necessary water quality standards for safe discharge or reuse.The treated effluent can then be safely released into the environment, such as a river, lake, or ocean, or it can be reused for various purposes, such as irrigation, industrial processes, or groundwater recharge. Proper wastewater treatment not only protects the environment but also conserves valuable water resources and reduces the strain on freshwater supplies.In addition to the treatment processes, proper management and maintenance of wastewater treatment facilities are crucial. This includes regular monitoring of the system's performance, proper disposal of sludge and other byproducts, and the implementation of appropriate safety and emergency protocols.The benefits of effective wastewater treatment are numerous. It helps to protect aquatic ecosystems by reducing the introduction of harmful pollutants, prevents the contamination of drinking water sources, and supports the sustainable use of water resources. Furthermore, the reuse of treated wastewater can alleviate water scarcity in many regions and contribute to a more circular economy.However, the implementation of wastewater treatment systems is not without its challenges. Factors such as the availability of funding, the existing infrastructure, and the level of public awareness and engagement can all impact the effectiveness of wastewater treatment programs. Governments, policymakers, and water management authorities play a crucial role in addressing these challenges and ensuring the widespread adoption of sustainable wastewater treatment practices.In conclusion, wastewater treatment is a vital component of environmental protection and water resource management. By effectively removing contaminants from wastewater, we cansafeguard the health of our water bodies, protect public health, and promote the sustainable use of water resources. Continued investment, technological advancements, and collaborative efforts among stakeholders are essential to address the global challenge of water pollution and ensure a cleaner, more sustainable future for all.。

污水sewage污水处理 sewage treatment一级处理 primary treatment二级处理 secondary treatment生物处理 biological treatment活性污泥法 activated sludge process曝气池 aeration tank曝气 aeration充氧oxygenation好氧消化 aerobic digestion厌氧消化 anaerobic digestion溶解氧dissolved oxygen沉淀 sedimentation搅拌agitation氯化 chlorination余氯 residual chlorine污泥 sludge泥龄sludge age回流污泥 returned sludge剩余污泥 surplus sludge消化污泥 digested sludge活性污泥 activated sludge污泥浓缩 sludge thickening污泥脱水 sludge dehydrating絮凝 flocculation水头Flood peak水头损失 head loss液面负荷 surface load、工艺参数类设计流量 Design flow泵流量pump flow栅前水深 water depth of ahead grille过栅流速Crosses the grille speed of flow栅条间隙Grille gap过栅水头损失head loss of crosses the grille 格栅倾角 Grille inclination angle过栅流量 flow of grille齿耙运行速度 rake speed有效水深Effective water depth水力停留时间HRT hydraulic residence time水力表面负荷Hydraulic load surface污泥浓度sludge concentration污泥回流比sludge reflux ratio机械设备类粗格栅 coarse screen回转格栅除污机grille decontaminating equipment 无轴螺旋输送机shaftless screw conveyor无轴螺旋压榨机 shaftless screw compressor潜污泵submersible sewage pump细格栅fine screen旋流沉砂器rotational sand processor砂水分离器 grit-water separator潜水搅拌器submersible agitator潜水推流器 submersible water impeller可调堰门adjustable weir曝气转刷aeration brushes吸刮泥机aspiration sludge scraper离心脱水机Decanter Centrifuge切碎机Macerator转鼓浓缩机Drum thickener絮凝剂投配单元polymer make-up &dosing unit圆形闸门Circular gate蝶阀 butterfly valve闸阀 gate valve球阀 Ball valve止回阀 Check Valve放空阀 Emptying valve微阻缓闭止回阀 Tiny Drag Slow Shut Check Valves 电磁阀 Mgnetic valve电动阀 Mortor operated valve法兰 Flange主轴承main bearing减速机gearbox超声波流量计supersonic flow meter电磁流量计electromagnetic flow meter阅读全文monitored control system 监察控制系统sewage treatment 污水处理Welcome to Danone monitored control system of sewage treatment。