南京信息工程大學(xué)期末試卷2019-2020學(xué)年第2學(xué)期環(huán)境工程學(xué)(雙語)課程試卷

1、4 頁；考試時(shí)間專業(yè)姓名 with each blank for 1”and ”refers to the total carbon content of organic pollutants in wastewater. , filtration and are the two typical types of air flotation is the cleaning method of rapid sand filter. , . , to pass through. , act as a decomposer. 120 分鐘；任課教師年級得分）. and and , and turbi

2、dity and 李天玲班4 頁；考試時(shí)間專業(yè)姓名 with each blank for 1”and ”refers to the total carbon content of organic pollutants in wastewater. , filtration and are the two typical types of air flotation is the cleaning method of rapid sand filter. , . , to pass through. , act as a decomposer. 120 分鐘；任課教師年級得分）. and an

3、d , and turbidity and 李天玲班. are the four important types ；出卷時(shí)間2020 年 6 月2019 2020 學(xué)年 第 2 學(xué)期 環(huán)境工程學(xué) (雙語) 課程試卷 (A 卷) 本試卷共學(xué)院學(xué)號I Fill in the blanks (Subtotal mark 301 、 Circular economy advocates 3R principle that refers to “Reuse”,“2、3 、 The main steps of drinking water treatment include coagulation and

4、 flocculation, 4、Dispersed air flotation and method. 5、6、Common filters include siphon filter, 7、The membrane process is rarely spontaneous and usually requires some energy input. The energy may be supplied in different ways, such as mechanical potential gradient 、and 8、Microfiltration, of membrane

5、filtration based on pressure driven. 9、In electrodialysis process, the anion membrane allows 10、Ozone disinfection can be affected by chroma of water. 11、In activated sludge method, 第 1 頁 共 4 頁. , electrostatic precipitators, and condition. It can be caused by four different atmospheric interactions

6、, such as , frontal and advection. b) to and . . 12、Composition of atmosphere includes dry clean air, water vapor and . , electrostatic precipitators, and condition. It can be caused by four different atmospheric interactions, such as , frontal and advection. b) to and . . 13 、 According to the mech

7、anism of dust removal, the devices for controlling particulates contaminants can be divided into four types: mechanical dust removal devices, 14、When-d 0, atmospheric stability is in a/an 15 、 The phenomenon that air temperature increases with latitude increases is called a/an radiation, 16、The foll

8、owing two plum behaviors are a) 17、Solid waste with a moisture content of more than 90% must be facilitate packaging, transportation and recycling. 18、Heat treatment of solid waste includes two methods: 第 2 頁 共 4 頁 with each question for 8） Answer Questions (Subtotal mark 40 with each question for 8

9、）1 、 What is the air flotation? List THREE conditions need to be met when using air flotation in wastewater treatment. 2、 Provide the typical curve for chlorine dosage vs total residual chlorine in the presence of ammonia. Explain the process in detail. 3、 According to the figure below, describe the

10、 process of filtering dusty gas by baghouse (fabric) filter. 4 、 What are the spray tower and packed tower? For a gas stream containing a high quantity of solids, would a spray tower or a packed tower be the technology of preference for an acid gas removal scrubber? Explain your rationale. 5、Provide

11、 and explain the FOUR main pretreatment technologies in solid waste control engineering. 第 3 頁 共 4 頁 with each question for 10p-5 Ns/m2 = 2.17 with each question for 10p-5 Ns/m2 = 2.17）1 、 A student adds 5.0 g of calcium carbonate (CaCO3) to a 0.5 L volumetric flask.Enough distilled water is added t

12、o reach the 0.5 L mark on the volumetric, leading to the final density of solution is 1 g/mL. Determine the concentration of calcium carbonate in solution expressing your answer in the units specified below. a) mg/L; b) Mass %; c) Molarity; d) Normality; e) Mole fraction (assume 0.5L of water is add

13、ed to the flask and water density is 1 g/mL) 2、300 mL water sample was collected and filtered in a dish (initial weight of the dish is 48.3527 g), after evaporating at 150 oC then cooling, the weight of the dish increased to 48.4010 g. After further ignition at 600 oC and cooling, the final weight o

14、f the dish becomes to 48.3869 g. Please find the amount of total solids, volatile solids and fixed solids. 3 、 Calculate the 50 percent cutoff diameter for particles of CaO suspended in an airstream at 100 oC and at atmospheric pressure for a gravitational settling chamber 3m long and 1m high when the gas velocity in the collector is 1 m s-1. The 50 percent cutoff diameter is de