河南城建大气污染控制工程试卷
大气污染控制工程试卷带答案
大气污染控制工程试卷带答案答案：一、选择题（每题5分，共30分）1. B2. C3. A4. D5. C6. B二、填空题（每题5分，共20分）1. 酸雨2. 扬尘3. 二氧化硫4. 光化学烟雾5. 大气污染防治法三、判断题（每题5分，共20分）1. 错2. 对3. 错4. 错5. 错四、简答题（每题10分，共30分）1. 请简要说明大气污染的主要成因和影响。
大气污染的主要成因包括工业排放、汽车尾气、能源燃烧和生活活动等。
大气污染给人体健康、生态环境和经济发展造成严重影响，如呼吸道疾病、酸雨腐蚀、温室效应等。
2. 请简述大气污染控制工程的主要原理。
大气污染控制工程通过减排、清洁技术和治理措施来降低大气污染物排放。
具体包括尾气处理设备、烟气脱硫装置、除尘器等，以及在污染源处进行的管控措施，如限制工业污染排放、加强燃煤电厂污染治理等。
3. 请简要介绍大气污染治理的措施和方法。
大气污染治理的措施和方法包括源头控制、治理设备、清洁燃料和能源、交通管理和规划等。
源头控制是通过限制污染物的排放来减少污染源，如加强工业和机动车尾气的减排控制；治理设备包括尾气处理、烟气脱硫和除尘等装置，用于清除污染物；清洁燃料和能源的使用可以减少污染物的排放；交通管理和规划重点是提高交通效率、减少拥堵，从而减少尾气排放等。
五、解答题（每题20分，共60分）1. 请描述大气污染控制工程在中国的现状和面临的挑战。
大气污染控制工程在中国取得了一定的成就，如加强污染源治理，改善了大气质量。
然而，中国仍然面临严峻的挑战。
一方面，经济发展和工业化进程加大了大气污染物的排放量；另一方面，环境容量限制和气象条件使得大气污染传输和扩散难以有效控制。
此外，公众环保意识不强、环境执法力度不够以及技术和人力资源短缺等也是制约大气污染治理工作的重要因素。
2. 请简要描述大气污染控制工程的发展趋势。
大气污染控制工程的发展趋势包括技术创新和管理创新。
技术创新方面，将会有更加高效和环保的大气污染控制设备和技术的出现，如更高效的烟气净化装置、更清洁的能源替代品等。
大气污染控制工程试题及答案3套
15．在吸收过程中，关于吸收操作线和平衡线的关系，下列正确的是A 吸收操作线与平衡线相交B 吸收操作线与平衡线相切C 吸收操作线位于平衡线上方D吸收操作线位于平衡线下方二、多项选择题（每题2分，共10分）（少选、多选、选错均不得分）1．下列哪些措施可以控制酸雨和致酸前体物A 采用烟气脱硫装置；B 改进汽车发动机技术，安装尾气净化装置C 使用低硫煤，改进燃烧技术D 寻找氟利昂的替代工质。
2．电除尘器的主要特点是A 适用各种粉尘，且均具有很高的除尘效率B 压力损失小C 适合高温烟气净化D 处理烟气量大3．下列关于袋式除尘器除尘效率的影响因素说法错误的是A 滤袋越新，除尘效率越高B 清灰越干净，除尘效率越高C 提高过滤风速可以提高除尘效率D 降低过滤风速可以提高除尘效率4．提高重力沉降室的除尘效率，下列哪些途径是正确的A 降低沉降室高度B 降低沉降室内的气体流速C 增加沉降室高度D 增加沉降室长度5．两台不同型号的风机并联工作，则下列说法正确的是A 实际风压与单台风机额定风压一样B 实际风压较额定风压可能增加，也可能降低C 实际风量是两台风机额定风量之和D 实际风量可能增加，也可能比其中的一台额定风量小。
三．某车间拟用活性碳吸附净化含苯废气，共采用计2个固定床组成一连续吸附流程，工况如下：☐废气：常温常压条件下，废气排放量为4.5 m3/s，进口苯浓度1800 mg/m3，出口苯浓度10 mg/m3；☐活性碳：吸附容量为0.18 kg（苯）/kg（活性炭），密度580 kg/m3☐吸附床：操作周期8 h，吸附4 h，再生3 h，备用1 h问：该工艺共需要活性碳多少立方米？（12分）四．有一串联除尘系统，第一级采用重力沉降除尘器，第二级采用电除尘器。
除尘系统设计风量为300000 m3/h，烟气温度为140℃（除尘系统设计中不考虑降温），当地大气压力为84.6 kPa，重力除尘器入口含尘浓度为30 g/m3，电除尘粉尘排放浓度为50 mg/Nm3。
大气污染控制工程试题及答案
填空1、气溶胶态污染物：粉尘、烟、飞灰、黑烟、雾P42、气态污染物总体上可分为含硫化合物、含氮化合物、碳氧化物、有机化合物、卤素化合物五大类。
P53、大气污染源按来源可以分为自然污染物和人为污染物两种。
其中人为污染源按污染源的空间分布可分为点源、面源，按照人们的社会活动功能不同，分为生活污染源、工业污染源和交通运输污染源三类。
4、煤的工业分析包括测定煤中水分、灰分、挥发分、固定碳、估测硫含量和热值。
P305、逆温有辐射逆温、下沉逆温、平流逆温、湍流逆温、锋面逆温五种。
(P74)6、吸附再生方法有加热解吸再生、降压或真空解吸再生、溶剂萃取再生、置换再生、化学转化再生。
（267页）7、常用的除尘器可分为机械除尘器、电除尘器、带式除尘器、湿式除尘器P1618、煤中含有黄铁矿硫（FeS2）、硫酸盐硫（MeSO4）、有机硫（CxHySz）和元素硫四种形态的硫。
P319、地方性风场有海陆风、山谷风、城市热岛环流三种10、烟囱有效高度为烟囱几何高度H S与烟气抬升高度△H 之和。
11、大气稳定度分类：不稳定、稳定、中性三种（书上）在我国分为极不稳定、较不稳定、弱不稳定、中性、较稳定、稳定六种（老师课堂讲的）P7312、净化装置技术指标主要有处理气体流量、净化效率和压力损失等。
P14113、粉尘物理性指标：粉尘的密度、安息角与滑动角、比表面积、含水率、润湿性、荷电性与导电性、粘附性及自然性和爆炸性。
(P132)14、影响旋风除尘器效率的因素有二次效应、比例尺寸、烟尘的物理性质、操作变量。
P17115、在除尘电晕电场中存在电场荷电（碰撞荷电）、扩散荷电两种粒子荷电机理。
三、简答1、控制大气污染的技术措施（P20）①实施清洁生产②实施可持续发展的能源战略③建立综合性工业基地2、环境空气质量控制标准的种类和作用（P22）只要回答种类和作用即可①环境空气质量标准：是进行环境空气质量管理、大气环境质量评价，以及制定大气污染防治规划和大气污染排放标准的依据。
河南城建大气污染控制工程试题
ui de sex furt her enhanced, docume nts ha ndle and runni ng of spee d obviously speed up, program gradually spe cificati on, confere nce service and Chief recepti on of quality and level ha s ha s new of improve, Logistics support ca pability furt her strengt hene d. Document management , confide ntial, confide ntiality, duty, letters and other items have be en sig nificantly im proved. 4, Office constructi on i ncrea sed at all level s. City Governme nt offices a dhere t o strengthen and improv e the constr ucti on of the system as a breakt hroug h, ha s devel ope d a serie s of code of conduct, conti nuous im provement of operat ional mechani sm, sound and the impl ementation of the rules and regulati ons, and adhere to the system of managing people, a ccordi ng to the rules, the work gradually into t he or bit of instit utionalization and standardizati on. Focus on strengtheni ng ide ologi cal and political construction of the conti ngent of cadres, a nd a ctively carrie d out various b usiness traini ng, knowle dge of the Office team struct ure has bee n optimize d, to broaden the range of knowledg e and operational capa city grows, nurt ured a political firm, sharp, professi ona l and i nnovative staff, created soli darity, strivi ng for the top, pragmatic, dedi cation, good image. Howeve r, with t he State Council and the provincial Governme nt of the nati onal , the pr ovince's Se cretary-Ge neral meeting of government offices under t he ne w situati on the functions and pri orities compared t o the re quirement of our gap is still very big. M ain is daily in t he pa ssive meet of more, a ctive research of less, servi ce also has not timely, and not i n pla ce of pr oblem; w ork in the meet Yu traditional of, and program of of work wa y, dev elop innovation spirit a nd service i nnovation capa city not strong ; supervisi on i nformation w ork and prom oted de cisi on implementation of contact e nough close, feedback sit uation not active; res earch resour ces of using e nough full , research results of int o degree not high; some sector docume nts runni ng not spe cification; M uni cipa l Gover nment Office on t he County (district) and muni cipal g overnme nt sect or Office w ork of gui de enoug h, No real form intera ction a nd close colla boration, pr omote the implementati on of the work. These problems, we m ust effectively be a ddre ssed i n the fut ure work. Second, serve t he overall situati on, carry out their duties, im prove quality, and strive to create a new situati on of system of government offices in t he city since last sea son, meeting t he Secretary -Ge neral of the State Council and the pr ovincial gover nment has he ld a gover nment system, from a gl obal a nd strategi c heig ht, scientifically a nalyze d the new sit uation and the newTasks on the system of governme nt offices bring new sit uations and new pr oblems a nd new chall enges, profoundly ex pounded the work of government departme nts at all levels i n the new era shoul d be put in t he sit uation to under stand, to grasp, to de ploy at a ny time and under any circumstances, should always focus on the big picture , firmly grasp the overall situati on, i ncrea sing i n the overall i mplementing i n earne st the w ork of sponta neity, initiativeSe condl y, we should strengthe n the team. A unit i s a team in various secti ons of the unit inside i s also a small team. A unit with a team spirit, formed a team responsibilit y, cohe sion and competitivene ss. ou wa nt to make a unit, a Department work improveme nt, must be melting i nsi de a feeling of soli darity and mutual help, for a comm on goal and determine d to a chieve t he spirit, cultivating a str ong colle ctive spirit and team re sponsi bilit y, se nse of honor. Therefore , we need to start improving office work a nd e nhance the efficie ncy of Office w ork an d strive to bui ld a concerted ... Fault. In a ccordance wit h the re quireme nts of modern ma nagement scie nce, e stablishing stri ct responsibility system of management by objectives. A w ork who is i n charge, who is in charge a nd w ho is re sponsible, what right d o the se pe opl e have, w hat responsibil ity, ha s to truthf ully and clearly understood. Departments at all level s should strictly im plement the check i n the Office of party Committee evaluati on, significa nt accountabi lity and rewar d incentive sy stem, pay cl ose attenti on to duty ca sh and making unity, rights, responsi bilities, and t o inspire ea ch of ca dres spirit and morale, Super courage. Investee i nsist s, is a deep topic, is a real pr oblem, is a big issue. Toda y, I just com bine d this yea r, the city's Communist Party Committee Office, ha d some roug h talk and understanding , we must stre ngthe n research and excha nges i n this regard i n the fut ure. Investee in the new yea r, we must hol d high t he ba nner of Deng Xiaoping theory and the "t hree represents" the ory the great ba nner of, under the correct lea dership of the CPC, adhere to t he pe opl e-oriented, insi st on tr uth, a dhere first to excell ence, efforts to do Office w ork to a new lev el. Spee ch at t he Conference on the system of gover nment offices i n the city around t he devel opme nt of service function to create a new sit uation in the w ork of the Office of the city's system of Gover nment--speech at the Confere nce on the system of governme nt offices in t he city This system of government offices w orking in t he city's mai n task is to st udy Governme nt systems of admini strative supervisi on, a dministrative information, admi nistrative rece ption and information technol ogy issues. For the meeting, the City May or Ma ha s made important instructi ons, the Muni cipal Gover nment Office fully pr epared brewi ng, combine d with practi cal work to develop the noti ce on further stre ngthe ning the supervisi on w ork, the XX, Chief Information i nterim measures for 2005 and the city's system of Gover nment Admi nistration i nformatization constr uction t ask sta tement and ot her documents. Before t he Ge neral Assembly and organi zation of counties (di stricts) of the sce ne to observe t he Gov ernment Office, achieve the pur pose of excha nges of work, t hought. Toda y, the ang May or also attende d the meeti ng and delivere d an important spee ch in t he midst, hope good grasp of implementation. Next, I would like to make a few remarks. A, and around Cente r, looks at devel opme nt, strengthene d servi ce, city gover nment system Office w ork rendering atmosphere in re cent year s, city gover nment system Office tond stea dfastness. And explicitly put forwar d the "surr oundi ng situati on, pay attenti on t o implementati on" is the core of government office s, requiring gov ernment department s at all levels ca nnot be "Gramophone", "mail room" and "the Me sse nger" is not confi ned to paper communicati ons, yinglaisong wang a nd uploa d issue. M ust to has strongly of implementati on consci ousne ss, thi s is Government Office sect or first bit of task, to first, and is duty-bound, i nsiste d reported trut h, and told trut h, and out confess, a nd do facts, a nd pragmatic effect, put w ork of to points real put to research soluti on reform devel opme nt stable i n the of major problem Sha ng, put to research soluti on masses pr oduction life in the of urgent pr oblem Sha ng, put to resear ch soluti on w ork in the exists of hig hlight pr oblem Shang, put an end t o to Conference impleme nt Conference, to file impleme ntation file, never ca n makes superi or of de cision and de ployme nt in a "implementati on" Lost in the sound. System Office of the Governme nt sect or must take the lea d in party a nd Governme nt poli cies, the depl oyment and carry out specific targets, i n the impl ementation efforts, for example on the implementation, on the impleme ntation of a performance. City Government System Office to seri ously im plement impl ementation national, a nd Pr ovince Government sy stem Secretary-General Office Direct or Conference spirit, a ccordi ng to around overall, grasp implementati on thi s a gene ral requirements, insi sted reform innovation, further cha nge manageme nt conce pt, and manageme nt functi ons, and manageme nt system and ma nagement method; i nsiste d quality first, ensure for led, a nd for grass -roots, and for masse s provi des quality efficient service ; insisted stri ctly rule political, efforts constructi on a support politi cal f irm, and busi ness master, and servi ce political clea n, and style excelle nt of Office team. Concrete w ork, and must dea l with "three relati onships": one is to handle well t he relationship bet ween passive a daptati on a nd a ctive service. Office service functi ons t o the pa ssive aspe ct of its work, w hich requires us to host lead w he n action must be strictly i n accorda nce with the i ntentions and requirements for lea dership, w ork withi n the limits of delegated a uthorit y, not offside, partici pation i n the i nterventi on, a nd not de cisi on-making, coordination i s not contemplated. Meanwhile, Office work a nd must become more consci ous, give full play to the i nitiative and work to some fore seeable, be proa ctive, pre pared, t hinki ng ahea d, pr ovidi ng information, active lea dership, reflect t he situati on, a hea d of good research, reference point, i n key place s to pr omote overall efficie ncy. Second, to handle the relati onshi p betwe en admi nistrative servi ces and transaction service s. Admi nistrative servi ces and Services Office services com plement the tw o aspects of the job. Admi nistrative servi ces is the cor e service is guara nteed. Note that combi nes both, adhere to gover nment servi ce as t he main li ne, the Chief tur ns around the overall situati on, tur ns ar ound the district. On one hand, will attachthree a re prese ntative" important thought for gui de, efforts adapted new sit uation, and new task , and new re quireme nts, tightly around city reform devel opme nt of overall, further cha nge functions, stre ngthe ned service , determine d to innovati on, Governme nt System Office overall work of quality and level has ha s new of improve, for city e conomic social devel opm nt made ha s due of contribution. 1, staff assista nt for further strengt heni ng. Around the focus of leadership services, actively c arry out rese arch st udie s, for all levels of Governme nt on the eve nt, grab global proposed a number of sol utions with a higher reference value recomme ndati ons provi de a basis forimproving gover nment lea dershi p. A bout development, a djustment of interest difficulty, people the focus of the pr oblem, a nd give full play to the offices that are interli nked, dredge a bout, contact a nd coor dinati on of functions, i n or der to reduce conflict, to avoi d omissions, form a joi nt force, pr omoting the Governme nt to play an a ctive role i n the w ork as a whole. Working around Government Center impl ementation supervisi on i ntensified, br oade ned a nd im proved efficie ncy, do check the fruit, fruit, assi sting the Gover nment in impl ementation of the Assistant rol e to pla y, a powe ful impetus to t he realization of the objectives of the Gover nment. 2, t he servi ce areas t o further expa nd. The full implementation of the ope n governme nt pil ot project, stre ngthe ning carrier construction, innovative forms of publi c, deepeni ng public content, extends the ope n range, reg ulate public procedures, esta blishment of a cit y, Count y, Townshi p and village-level administration sy stem, to meet the people's right to k now , creates conditi ons for t he effective exercise of supervision. Deve lopme nt issued t he XX, matters of significant publi c policy impl ementation measure s, such a s the question of heari ng 6 system, open Gover nment continues to promote i n de pth. E stablished ope ned t he city (County) long publi c phone s, solving a number of concer n pe ople's imm ediate interests a nd produce hot spot s and difficult probl ems in life, by all sector s of the community alike. Universal Chief was built starting at the city and county levelsHall masse s, serve t he community for the Governme nt to play a better Wi ndows a nd tie. With the system of Government Office for hub, connecti ng the County (district) and the departments of muni cipal gover nment We b sites a nd Office decisi on-making servi ce system ha s be en built in t he cit y, Gover nment Office l ocal are a netw ork establi she d, signifi cantly accel erate the pa ce of office a utomation and i nformation netw ork. 3, improve d quality and productivity with new work. City levels Governme nt Office put pur suit quality and efficiency as measure Office ov erall work level of important standard, pe ndulum in highlight l ocati on, ar ound servi ce ov erall, and pay close attention to the im plementati on thi s ce ntral, right processing i nherite d and i nnovation, and full and focus, and on Sha ng servi ce and on Xia service of relationship, bol d innovati on, focuse d on effectiveness, pre sentation of policy sex, a nd targeted a nd 河南城建学院200*—200*学年第*学期期末考试《大气污染控制工程》试题（一）供 环境工程 专业 班使用 ****年*月 本套试卷共 3 页一、名词术语解释（每小题3分共 18 分）1、大气污染：2、二次污染物：3、空气过剩系数：4、集气罩：5、大气稳定度：+6、挥发性有机污染物：二、填空题（每空 1.5分共 21 分）1、煤中的可燃组分有 ， 有害成分主要是 。
大气污染控制工程试卷(2套含答案)
《大气污染控制工程》试卷（一）一、填空题（每空2分，共计30分）1、大气污染物总体可概括为和两大类。
2、所谓温室效应是指。
3、对于国务院批准划定的控制区和控制区的污染源，其SO2的排放除执行排放标准外，还应执行。
4、根据除尘机理，目前工业上常用的除尘器可分为、、和4类。
5、流化床燃烧脱硫过程中钙硫比是表示脱硫剂用量的一个指标，在一定条件下也是调节唯一因素。
6、电除尘过程烟气调质是向烟气中加入等，作用是使粒子的增加。
7、烟气循环燃烧起到和双重作用，从而达到减少NO X生成的目的。
二、选择题（每小题2分，共计20分）1、煤在与空气隔绝条件下加热分解出的可燃气体称为A、气化分B、油分C、挥发分D、有机分2、在特殊环境下，硫与的反应可将硫固定在固相中。
A、有机组分B、无机组分C、水分D、微生物3、大气稳定度级别中A级为A、强不稳定B、不稳定C、中性D、稳定4、煤质对排尘浓度有很大影响，其中以下两种影响最大A、密度和孔隙B、密度和粒径C、水分和粒径D、灰分和水分5、当气块的干绝热递减率γd大于气温直减率γ时，则大气为A、不稳定B、稳定C、中性D、极不稳定6、柴油机车主要控制的目标污染物为A、CO、HC和NOB、CO、HC和黑烟C、HC和NO XD、NO X和黑烟7、工业上电除尘器倾向于采用A、正电晕电极B、负电晕电极C、直流电极D、正、负电晕电极均可8、氨法脱硫的质量传递主要受控制。
A、液相阻力B、气相阻力C、反应动力学D、床层压降9、在石灰/石灰石法脱除气体中SO2的关键步骤是A、生成HSO3—B、生成H2SO3C、生成Ca2+D、生成H+10、选择性催化还原法烟气脱硝工艺操作的两个关键因素是A、床层阻力损失和催化剂中毒B、空间气速和烟气中残留的氨C、操作压力和温度D、催化剂失活和烟气中残留的氨三、简答题（每小题6分，共计30分）1、何为烟气脱硫工艺中脱硫剂利用率？其与什么因素有密切关系？2、流化床燃烧脱硫过程中，煅烧温度为何有一最佳温度？3、什么叫气体吸附？工业吸附剂必须具备哪些条件？4、废气生物处理工艺可分为哪两类系统？请叙述两类系统的工艺特点。
大气污染控制工程考试试卷
《大气污染控制工程》试题（二）一、简述题（40分，每小题8分）1．我国大气污染的特点2．比电阻对电除尘器除尘效率的影响3．催化剂在催化反应中的作用4．为什么具有0.1mm孔眼的布袋能去除1μm甚至更小的颗粒5．文丘里除尘器的除尘过程二、计算题（60分，每小题15分）1．已知某重力沉降室处理已含尘气流的分割粒径为45μm，现废气尘粒排放量为1800㎏/h，粒径分布如下：dp(μm) 40 50 80质量分率（%）30 40 30问该除尘器能否达到360㎏／h 的排放要求？（假定为层流沉降室）2．某管式电除尘器的圆筒形集尘管直径为0.4m,长2.5m,运行时气体温度273K,压力为101.33kPa,气体流量为0.1m3/s。
若集尘场强平均为105V/m,粒径为1.0μm的粒径的荷电量为0.3×10-15 C, 试计算该粒径的驱进速度和能达到的除尘效率？（μ =1.81×10-5 Pa·S）3．用一特制吸附剂吸附净化含苯废气，废气流量0.196m3/s, 废气中苯浓度为20g/m3,有效吸附时间为1h，该吸附剂对苯活性为1%，脱附残留率为0。
2%，要求出口苯浓度低于200mg/m3,试计算所需要的吸附剂量？4．用一逆流操作的填料塔将某一废气中有害组分A从0.4%降到0.05%，加入组分B 与A进行瞬间快速化学反应A＋B C，L=7×105 mol/m2·h, G=1×105mol/m2·h,C T=56000mol/m3, 组分B 的浓度较高，C BL=1000mol/m3 ,D AL=D BL, k AG·a=32000mol/h·m3·atm, k AL·a=0.1h-1 , 总压P=1 atm,试计算填料层高度？《大气污染控制工程》试题（二）参考答案一、简述题1.我国大气污染的特点（1）我国大气污染的特点主要是由能源结构决定的，大部分地区以煤烟型污染为主，主要污染物为TSP和SO2。
【建筑工程管理】大气污染控制工程试题及答案套
A 质量中位粒径B 个数中位粒径C 分割粒径D 平均粒径A 93.33％ B 93.82％C 85%D 92.73%12．采用活性碳颗粒或活性碳纤维吸附净化甲苯蒸气，饱和以后再生的做法不正确的是A 通入高温蒸汽 B 加压再生C 抽真空再生D 选用再生溶剂进行再生13．某旋风除尘器的进口气体流速为17m/s，如果该除尘器的阻力系数为8.5，则在标准状态下其压力损失为（标准状态下气体密度为1.293kg/m3）A 1588PaB 1230PaC 1654PaD 1856Pa14．某火电厂烟囱的高度为160m，如果某时刻计算出烟气的抬升高度为110m，则该时刻烟囱的有效高度为A 160mB 110mC 270mD 50m15．在吸收过程中，关于吸收操作线和平衡线的关系，下列正确的是A 吸收操作线与平衡线相交B 吸收操作线与平衡线相切C 吸收操作线位于平衡线上方D吸收操作线位于平衡线下方二、多项选择题（每题2分，共10分）（少选、多选、选错均不得分）1．下列哪些措施可以控制酸雨和致酸前体物A 采用烟气脱硫装置；B 改进汽车发动机技术，安装尾气净化装置C 使用低硫煤，改进燃烧技术D 寻找氟利昂的替代工质。
2．电除尘器的主要特点是A 适用各种粉尘，且均具有很高的除尘效率B 压力损失小C 适合高温烟气净化D 处理烟气量大3．下列关于袋式除尘器除尘效率的影响因素说法错误的是A 滤袋越新，除尘效率越高B 清灰越干净，除尘效率越高C 提高过滤风速可以提高除尘效率D 降低过滤风速可以提高除尘效率4．提高重力沉降室的除尘效率，下列哪些途径是正确的A 降低沉降室高度三．某车间拟用活性碳吸附净化含苯废气，共采用计2个固定床组成一连续吸附流程，工况如下：☐废气：常温常压条件下，废气排放量为4.5 m3/s，进口苯浓度1800 mg/m3，出口苯浓度10 mg/m3；☐活性碳：吸附容量为0.18 kg（苯）/kg（活性炭），密度580 kg/m3☐吸附床：操作周期8 h，吸附4 h，再生3 h，备用1 h问：该工艺共需要活性碳多少立方米？（12分）B 降低沉降室内的气体流速C 增加沉降室高度D 增加沉降室长度5．两台不同型号的风机并联工作，则下列说法正确的是A 实际风压与单台风机额定风压一样B 实际风压较额定风压可能增加，也可能降低C 实际风量是两台风机额定风量之和D 实际风量可能增加，也可能比其中的一台额定风量小。
大气污染控制工程试题及答案3套
15．在吸收过程中，关于吸收操作线和平衡线的关系，下列正确的是A 吸收操作线与平衡线相交B 吸收操作线与平衡线相切C 吸收操作线位于平衡线上方D吸收操作线位于平衡线下方二、多项选择题（每题2分，共10分）（少选、多选、选错均不得分）1．下列哪些措施可以控制酸雨和致酸前体物 AA 采用烟气脱硫装置；B 改进汽车发动机技术，安装尾气净化装置C 使用低硫煤，改进燃烧技术D 寻找氟利昂的替代工质。
2．电除尘器的主要特点是A 适用各种粉尘，且均具有很高的除尘效率B 压力损失小C 适合高温烟气净化D 处理烟气量大3．下列关于袋式除尘器除尘效率的影响因素说法错误的是A 滤袋越新，除尘效率越高B 清灰越干净，除尘效率越高C 提高过滤风速可以提高除尘效率D 降低过滤风速可以提高除尘效率4．提高重力沉降室的除尘效率，下列哪些途径是正确的A 降低沉降室高度B 降低沉降室内的气体流速C 增加沉降室高度D 增加沉降室长度5．两台不同型号的风机并联工作，则下列说法正确的是A 实际风压与单台风机额定风压一样B 实际风压较额定风压可能增加，也可能降低C 实际风量是两台风机额定风量之和D 实际风量可能增加，也可能比其中的一台额定风量小。
三．某车间拟用活性碳吸附净化含苯废气，共采用计2个固定床组成一连续吸附流程，工况如下：☐废气：常温常压条件下，废气排放量为4.5 m3/s，进口苯浓度1800 mg/m3，出口苯浓度10 mg/m3；☐活性碳：吸附容量为0.18 kg（苯）/kg（活性炭），密度580 kg/m3☐吸附床：操作周期8 h，吸附4 h，再生3 h，备用1 h问：该工艺共需要活性碳多少立方米？（12分）四．有一串联除尘系统，第一级采用重力沉降除尘器，第二级采用电除尘器。
除尘系统设计风量为300000 m3/h，烟气温度为140℃（除尘系统设计中不考虑降温），当地大气压力为84.6 kPa，重力除尘器入口含尘浓度为30 g/m3，电除尘粉尘排放浓度为50 mg/Nm3。
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《大气污染控制工程》试题（八）
一．问答题（每题4分，共20分）
1.美国环境空气质量标准中关于颗粒物的浓度，最初以TSP表示，后来改为
PM10，近来又改为PM2.5，其动因是什么？对污染控制技术提出哪些要求和挑战？
2.空气/燃料比对燃烧过程形成的污染物种类和总量有什么影响？
3.与汽油车相比，柴油车排放的污染物有哪些特征？
4.简要分析NOx的排放对环境可能产生的影响。
5.近年来，北京市近地层大气环境中O3浓度呈逐年增高的趋势，试简要分析
O3的形成机制。
若大幅度削减NOx的排放，能有效降低环境大气中O3的浓度吗？
二．计算题（共40分）
1.（8分）气流中的颗粒物的粒径分布服从对数正态分布，且质量中位径MMD
＝10µm，几何标准偏差σ＝1.5。
现在令气流通过一除尘器，该除尘器对
d p ≥ 40µm的颗粒有100％的捕集效率；对10～40µm的颗粒的捕集效率等于
50％；对于小于10µm的颗粒，捕集效率为零。
a). 以质量计，计算该除尘器的除尘效率。
b). 穿透除尘器的颗粒的质量中位径是多少？
2.（4分）以50km/h行驶的汽车，尾气中含CO 1％（体积分数）。
假如汽车的
排气速率为80m N3/h，试计算汽车行驶1km排放CO的量（以克计）。
3.（8分）参考附图，估算燃煤烟气的酸露点。
煤的组成如下表所示。
假定燃烧时空气过剩20％，进入燃烧器的空气为20o C，且RH＝50％；并假定5％的SO2转化为H2SO4。
4. （4分）通常燃煤电厂每kw 发电容量的排烟速率为0.00156m 3/s （烟气温度为205o C 和1atm ）。
烟气经石灰石洗涤器脱硫，其压力损失为25cm 水柱。
试估算烟气脱硫的用电量（以发电总量的百分比表示）。
烟气脱硫的用电量可用下式估算：
功率＝（烟气流量）×（压力损失）/（风机效率） 假定风机效率为80％。
5. （8分）某100万kw 的燃煤电站的能量转换效率为40％，所燃煤的热值为26,700 kJ/kg ，灰分含量为12％，假定50％的灰分以颗粒物形式进入烟气。
现在用电除尘器捕集烟气中的颗粒物（飞灰），其参数为
试计算该电厂排放颗粒物的量，以kg/s 计。
6. （8分）某高速公路每小时车流量为10000辆（每个方向5000辆），平均速度80km/h ，CO 的排放因子约为2.1g/km 。
风向与道路成直角，风速1m/s 。
假定污染物的排放可视为地面源且沿着道路的中心线排放，当时的大气稳定度等级为C 。
估算道路中心线下风向200m 处的CO 浓度（假定道路上风向浓度为零）。
组分 重量百分比（％）
水分 6.4 碳 68.3 氢 4.9 氮 0.8 氧 10.2 硫 0.6 灰分 8.8 总计
100。