TGXC—2除尘净化器在工业锅炉改造中的应用

文章介绍了ＴＧＸＣ－２除尘净化器在工业锅炉改造中的应用情况，安装该除尘器之后，达到了消烟除尘，除硫双轻重功能的理想效果，使烟气黑度，除尘效率，脱硫效率均达标。     

烟囱排烟扩散的影响因素初步研究

为减少和控制工业锅炉烟囱排放中的有害气体对自然生态环境的污染，设计单位的专业工程设计人员在锅炉房设计布置中，除了应根据锅炉的蒸发量来确定风，烟道的截面外，还须根据不同地区的气象条件，局部地形等实际情况，来决定锅炉房烟囱的设计。文章简妻介绍了风速、风向，湍流强度及大气稳定度对烟囱排烟扩散的影响。     

雾化电晕净化烹调油烟技术

对雾化电晕放电极雾化过程、荷电液滴的捕集原理、自清洗作用进行探讨,在相同电压下雾化负电晕放电电流高于干式负电晕放电电流,极间大量荷电液滴具有很高的荷质比,并高速向极板驱进,对烟尘具有静电凝并和动力凝并除尘作用,具有高效净化油烟、自清洗极板的功能,此项净化烹调油烟的新技术,优于传统油烟净化技术,具有很好的应用价值和前景。     

Gas-phase organics in environmental tobacco smoke: 2. Exposure-relevant emission factors and indirect exposures from habitual smoking

Sorption of emitted gas-phase organic compounds onto material surfaces affects environmental tobacco smoke (ETS) composition and exposures indoors. We have introduced a new metric, the exposure relevant emission factor (EREF) that accounts for sorptive uptake and reemission to give the mass of individual ETS constituents available for exposure over a day in which smoking occurs. This paper describes month-long experiments to investigate sorption effects on EREFs and potential ETS exposures under habitual smoking conditions. Cigarettes were smoked in a 50-m³ furnished room over a 3-h period 6–7 days per week, with continuous ventilation at 0.3, 0.6, or 2.1 h⁻¹. Organic gas concentrations were measured every few days over 4-h “smoking”, 10-h “post-smoking” and 10-h “background” periods. Concentration patterns of volatile ETS components including 1,3-butadiene, benzene and acrolein were similar to those calculated for a theoretical non-sorbing tracer, indicating limited sorption. Concentrations of ETS tracers, e.g. 3-ethenylpyridine (3-EP) and nicotine, and lower volatility toxic air contaminants including phenol, cresols, and naphthalene increased as experiments progressed, indicating mass accumulation on surfaces and higher desorption rates. Daily patterns stabilized after week 2, yielding a steady daily cycle of ETS concentrations associated with habitual smoking. EREFs for sorbing compounds were higher under steady cycle versus single-day smoking conditions by 50% for 3-EP, and by 2–3 times for nicotine, phenol, cresols, naphthalene, and methylnaphthalenes. Our results provide relevant information about potential indirect exposures from residual ETS (non-smoker enters room shortly after smoker finishes) and from reemission, and their importance relative to direct exposures (non-smoker present during smoking). Under the conditions examined, indirect exposures accounted for a larger fraction of total potential exposures for sorbing versus non-sorbing compounds, and at lower versus higher ventilation rates. Increasing ventilation can reduce indirect exposures to very low levels for non-sorbing ETS components, but indirect routes accounted for 50% of potential nicotine exposures during non-smoking periods at all ventilation rates.     

城市生活垃圾处置过程中环境污染防治

对我国城市生活垃圾处置技术发展现状进行了综述，着重阐述了垃圾处置过程中存在的废塑料、废电池、焚烧炉烟气等二次污染问题，指出应高度重视垃圾处置过程中环境污染防治问题。     

冶炼厂石灰脱硫技术应用中存在的问题

石灰乳平均脱硫率达８３％，但应用中存在一次进料量大、液气比波动大、ＰＨ值控制不严和设备不配套、管理不严等问题。应加强监督、加强管理，以充分发挥其作用。     

中小型水泥企业粉尘治理的几项措施

水泥生产的粉尘污染是一个重大的环保问题，特别是我区一些中、小型水泥生产企业，只从自身的利益因素考虑而对这一问题没有引起足够的重视。本文针对水泥生产的粉尘治理问题提出了一些经济、可行的措施，从而使其降低粉尘的排放量，达到环保要求。     

军用S-4烟幕酸雾污染的清除

提出了环保型军事训练的概念，针对大量使用的S-4烟幕的严重污染，构建了基于引射技术利用碳酸钠细粉和直接通过三通阀利用氨水的2种清除方法。通过实验确定，碳酸钠的最佳粒径为150目过筛，不同浓度氨水均有好的清除效果，碳酸钠、氨的最佳用量分别为S-4发烟剂的1．35和0.433倍。     

造气吹风气烟尘污染治理的技术措施

该文叙述了合成氨生产造气工段吹风气烟尘治理的技术措施与注意事项 ,指出在改进工况操作、减少吹风带出物的同时 ,设置干式旋风除尘与水膜除尘 ,可取得很好的治理效果 ,烟尘达标排放 ,经济效益显著     

兖州矿区煤烟型污染的控制及其技术优化

本文通过对兖州矿区大气污染源的调查,分析了矿区煤烟型污染的治理现状、控制技术和效果及存在的问题。结合矿区实际,对煤烟型污染的治理和控制技术的优化作了探讨。