熔铅烟尘治理

铅是工业生产中不可缺少的原材料之一,由于在生产过程中产生大量的余料和一些特殊要求的铅,如不经过熔炼,就无法使用和加工,这样就会造成很大的浪费,所以,我厂每年都要熔铅30多顿,在熔炼过程中产生大量的烟尘飞扬,严重的影响工人,特别是操作工的身体健康。     

我国焦炉烟尘的污染及其控制

本文结合我国焦炉的发展方向及国家产业政策，从焦炉烟尘环境污染危害及其产生特点出发，介绍了我国焦炉烟尘的控制现状以及炼焦散烟、装煤和拦焦等主要产尘环节所采取的控制措施和治理技术。最后明确指出，现有的控制手段完全可以解决焦炉烟尘的污染问题，实施的关键是国家对焦炭行业的环保监管是否到位。     

燃煤电厂烟尘排放要求分析

梳理了燃煤电厂烟尘排放标准的演变历程,概述了燃煤烟气超低排放的相关政策,基于经济性分析及市场占有率,阐明电除尘器仍然是我国燃煤电厂烟尘治理的主流设备,介绍了超低排放形势下燃煤电厂烟尘治理的现状及其他行业的烟尘排放标准和政策等,对当前环保形势及未来烟尘治理的发展趋势进行了简要分析。     

燃煤锅炉的烟尘排放情况的物料衡算法研究

燃煤锅炉产生的烟尘量与燃料的成分、锅炉的燃烧方式及除尘率有直接的关系,锅炉的燃烧方式分为层式燃烧和悬浮式燃烧,不同燃烧方式的产尘量有很大区别,通过物料衡算方法,尝试对使用不同燃烧方式的工业锅炉和电厂锅炉排放的烟尘量进行定量分析和计算,该法得到的数据较准确,一般接近监测得到的平均数据.     

影响烟（粉）尘浓度监测的几个因素

本文分析了影响烟尘浓度监测误差产生的原因,并提出了改进意见。     

用税收经济杠杆协调城乡经济与环境保护同步发展

随着经济体制改革的不断深入,与社会主义公有制紧密联系的个体经济在迅速发展,它参与着社会主义经济大循环,对搞活流通领域,促进商品经济发展、解决劳动就业、促进社会安定起着积极的作用,成为当前社会活动、经济活动的重要组成部分。然而,这些经济活动也引起了环境保护问题。近几年来环保部门接到群众投诉信中有反映个体经营的涂料厂,土法炼钢,塑料加工等产生粉尘、废气污染的;有反映屠宰业、饮食业噪声,烟尘,水体污染的;也有反映加工业噪声及高频辐射污染的。1988年南京市建邺区环保局     

哈密市锅炉烟尘控制区监测验收结果分析

对哈密市区锅炉烟尘验收监测结果作了分析阐述，论述了市区烟尘控制区烟尘排放规律及特点，并对监测统计结果进行了小结，为日后的实测工作积累经验。     

加热炉除尘装置在油田生产中的应用

采用湿法除尘技术,对油田联合站、接转站使用的燃油加热炉吹灰时产生的烟尘,进行过滤、吸附、除尘。对9个联合站的加热炉进行监测,采用此技术后,烟尘浓度从1 000mg/m3以上降至200mg/m3以下。处理后的烟尘排放浓度达到GB 13271—2001《锅炉大气污染物排放标准》Ⅱ时段排放标准要求,减轻了加热炉吹灰时对周边环境的影响。     

锅炉烟尘排放浓度超标成因分析及控制对策

分析了锅炉燃烧排出的危害人类健康的污染物烟尘及ＳＯ２超标的成因,以及长庆油田燃煤锅炉烟道气的监测结果。提出了控制锅炉烟尘排放浓度的对策及消烟措施。例如：推行煤炭洗选,改进燃料结构,限制烟尘超标的锅炉产品制造、安装,改进燃烧方式,强化炉内燃烧,改造除尘器。     

超低排放条件下烟尘测试方法研究

超低排放条件下烟尘的高精度测试一直是近年来研究的热点和难点,文章分析了超低排放烟尘测试的特点,对国内外相关测试标准进行分析,研究了测量误差的种类及原因,并基于此指导现场测试,对超低排放烟尘测试准确性评述,可为低浓度烟尘测试标准的修制定提供技术支撑。     

塑烧管除尘器在冶金精轧线的应用

冶金精轧线烟气烟尘含油含水，采用传统的布袋除尘等方式难以治理。塑烧管具有刚性结构、高过滤效率、压降稳定、疏水疏油性、防静电等特性，适合于治理含油含水的烟气。塑烧管除尘器在冶金精轧线的应用取得了良好的效果。     

Cleaner production in the ammonia-soda industry: an ecological and economic study

Five methods to reduce the negative influence of soda ash factories on the natural environment are presented: 1. obtaining calcium-magnesium phosphates by treating the suspension from raw brine purification with orthophosphoric acid (H(3)PO(4)), 2. production of precipitated chalk from soda processing waste, 3. production of gypsum and semi-brine, 4. desulphurisation of fume gases from the factory power plant, 5. utilization of distiller waste. The tests, accomplished on a laboratory scale, showed the high efficiency of these methods. Economic analysis has proved that only four out of the five presented processes can have a positive financial effect on soda ash factories, as well as being well justified economically. The value of two of the innovations presented is confirmed by their implementation in factories.     

Dust deposition in a sub-tropical opencast coalmine area, India

This paper provides baseline information about the total annual dust fall, and its constituents and seasonal variation, from a sub-tropical opencast coalmine area in Bina, India. Dust samples were collected monthly for 2 years (June 2002-May 2004) from five sampling sites in the region and analyzed in the laboratory for water-soluble and -insoluble matter. Water-insoluble components constituted the major fraction of the total annual dust fall. Two-way ANOVA indicated significant variations in dust fall at different sites, over the months and in their interactions. The dust deposition rate was highest during summer (March-June), followed by winter (November-February) and lowest in the rainy season (July-October). Maximum dust fall was observed near the coal handling plant (at site 2) followed by the receiving pit of the coal handling plant (site 3), near the main sub-station (site 4), Jawahar colony (site 1) and Gharasari village (site 5). An inverse and significant relation was observed between dust fall and precipitation. Our studies have shown that the main residential areas are experiencing higher levels of dust fall which makes them unsuitable for living. We suggest that residential areas should be moved farther away from the mining area in the opposite direction of prevalent winds.     

文丘里喷射器用于饮食业油烟雾处理的实验研究

将文丘里喷射器用于饮食业油烟雾的湿法处理，实验对喷射器的结构进行了系统的研究，找出了喷射器的最佳结构参数，并进行了该装置的净化性能应用试验。结果表明：该湿法洗涤装置净化效率高，运行稳定，具有较高的应用推广价值。     

解析电除尘烟温与粉尘特性的最佳结合点

分析了电除尘烟温对粉尘特性的影响,以及烟温对电除尘器效率的影响,从中找出烟温调节与粉尘特性的最佳结合点。利用烟温调节的理念,应用余热利用节能电除尘技术对电除尘器进行提效改造,通过实例证明,这既可扩大电除尘器适应性和提高电除尘效率、满足低排放要求,又可节省电煤消耗和降低电耗,具有环保与经济的双重效益。     

厨房排烟系统的设计

根据厨房排烟净化设备的设计与安装实践,对厨房排烟系统的构成作了介绍,给出了厨房理论排烟风量的计算方法以及集气罩、排风管道及风机的设计选型原则,可以指导饮食业油烟净化器的选型,保证油烟净化器的运行效果。     

城市餐饮业油烟污染状况的分析与对策

通过对本区餐饮油烟污染状况的调查，结果表明多麦子弹位未采用净化施备或存在缺陷不能达标排放，建议环保部门在加强监管，强化市场准入制度，建立清洗队伍同时火力开发高效优质油烟净化设备。     

Occupational noise exposure and hearing loss among pulse processing workers

Occupational noise exposure and noise-induced hearing loss (NIHL) has been recognised as a problem among workers in Indian industries. The major industries in India are based on the processing of agricultural products. There are appreciable numbers of pulse processing units spread throughout the country. The purpose of this study was to determine the prevalence of hearing loss among pulse processing workers. As a part of hearing protection intervention, audiometric tests were conducted at the binaural low (250–1,500 Hz), the binaural mid (1,500–4,000 Hz) and the binaural high (3,000–8,000 Hz) frequency averages. The prevalence of hearing loss was determined based on hearing threshold levels (HTLs) with a low fence of 25 dB. Over 50% of pulse processing workers (dana bazaar and dal mill) showed hearing loss in the noise-sensitive higher (binaural mid and high) frequencies. The rate of hearing loss was particularly high among workers in the dal mill. The analyses show a higher risk of prevalence of hearing loss among the dal mill workers compared to the workers associated with the grain preprocessing activities. The study shows alarming signals of NIHL, especially in the dal mill workers. The occupational exposure to noise could be minimised by efficient control measures through engineering controls, administrative controls and the use of personal protective devices. Applications of engineering and/or administrative controls are frequently not feasible in developing countries for technical and financial reasons. A complete hearing conservation programme, including training, audiometry and the use of hearing protection devices, is the most feasible method for the protection of industrial workers from prevailing noise in workplace environments in the developing countries.     

广元市饮食业油烟污染现状及防治对策

本文介绍了饮食业油烟污染的危害和油烟净化设备的现状，分析了广元市饮食业油烟污染现状，并提出了饮食业油烟的防治对策。     

The Effects of Dust on the Federally Threatened Valley Elderberry Longhorn Beetle

We combined a natural experiment with field surveys and GIS to investigate the effects of dust from recreational trails and access roads on the federally threatened Valley elderberry longhorn beetle (“VELB,” Desmocerus californicus dimorphus) and its host plant, elderberry (Sambucus mexicana). Dust is listed in the species recovery plan as a threat to the VELB and unpaved surfaces are common throughout the riparian corridors where the VELB lives, yet the effects of dust on the VELB have been untested. We found that dust deposition varied among sites and was highest within 10 m of trails and roads, but was similar adjacent to dirt and paved surfaces within sites. Elderberry density did not differ with distance from dirt surfaces. Despite similar within-site dust levels, elderberry adjacent to paved surfaces were less stressed than those near dirt ones, possibly because increased runoff from paved surfaces benefited elderberry. Dust deposition across sites was weakly correlated with elderberry stress symptoms (e.g., water stress, dead stems, smaller leaves), indicating that ambient dust (or unmeasured correlates) influenced elderberry. Direct studies of the VELB showed that its distribution was not negatively affected by the proximity to dirt surfaces. Dust from low traffic dirt and paved access roads and trails, therefore, affected VELB presence neither directly nor indirectly through changed elderberry condition. These results suggest that the placement of VELB mitigation, restoration, and conservation areas can proceed independently of access roads if dust and traffic levels do not exceed those in our study site. Furthermore, dust control measures are likely to be unnecessary under such conditions. The potential effects of increased traffic and dust levels are addressed through a literature review.