CRCD煤气化技术与石灰生产的节能减排

简要介绍了CRCD煤气化技术,阐明了在石灰生产过程中,CRCD煤气化技术不但可以减少温室气体CO2的排放,而且可以有效降低气化用煤量,从而达到节能减排的效果.同时提出了CRCD煤气化技术对窑炉石灰冷却工艺的要求.     

体制机制创新:节能减排的关键点

“十二五”期间,我国将把大幅降低能源消耗强度和二氧化碳排放强度作为约束性指标,有效控制温室气体排放.我国节能减排的难度和压力将进一步加大,而节能减排对于实现我国到2020年的排放目标更是意义重大.因此,我们必须积极落实国家有关节能减排的政策,建立完善推动节能减排的体制机制.     

钢铁工业温室气体排放与减排

简要介绍钢铁生产过程中温室气体的产生以及目前的排放状况，针对我国钢铁行业的发展状况，分析行业温室气体减排途径以及能耗与减排的关系，探讨与钢铁生产相关的温室气体减排对策和潜力。     

钢铁工业温室气体排放与减排

简要介绍了钢铁生产过程中温室气体的产生以及目前的排放状况，针对中国钢铁行业的发展状况，分析了行业温室气体减排途径以及能耗与减排的关系，探讨与钢铁生产相关的温室气体减排对策和潜力。     

全国节能减排联盟出台节能减排标准

7月27日,我国第一项节能减排联盟标准《基于项目的温室气体减排成效评价技术规范》(以下简称《规范》)启动会在京召开,这意味着在我国节能减排领域,除了人们熟知的国家标准、行业标准、地方标准和企业标准外,联盟标准也将开始发挥作     

金属冶炼业发展“低碳经济”管理路径研究

金属冶炼业"低碳经济"的路任重道远;要通过确定"低碳经济"的战略、依靠科技进步和资本运作等管理路径,实现"节能减排",为减少温室气体排放和改善环境做贡献。     

阳极炉稀氧燃烧改造的生命周期评价

运用生命周期评价方法,对阳极炉稀氧燃烧改进前后的资源环境影响指标进行了研究,得到了阳极铜生产的资源环境影响结果。结果表明,改进后阳极铜生产单元过程的初级能源消耗、温室气体潜值、非生物资源消耗潜值、酸化潜值、富营养化潜值、可吸入无机物、生命周期节能减排综合指标,分别只有改进前的40.07%、40.80%、50.59%、38.05%、50.13%、31.19%、40.08%。稀氧燃烧技术具有低环境影响和良好经济效益,在水电丰富地区效果更好。     

工业炉燃烧技术的创新

文章介绍了一种创新的工业炉燃烧技术,该技术为节能减排带来重大改进。     

对农业温室气体(GHG)减排潜力的几点看法

[目的]探讨农业温室气体(GHG)减排潜能与可持续发展.[方法]通过引用联合国政府间气候变化委员会评估报告相关数据,从减排技术潜能和减排经济潜能2个方面对农业GHG(主要包括CO2、CH4、N2O)的减排潜力及其影响因素进行分析与评价,并对农业GHG减排技术与前景进行评价与展望.[结果]农业GHG减排大约89%的潜能将来自土壤碳鏊合作用;农业GHG减排成本大约是0～27美元/t CO2-EQ;多数减排方案强调对现有技术的再利用,使其在不同领域得到广泛推广,同时注意加强可行的新型技术的研究与开发.[结论] 即使农业GHG的排放与日俱增,但从长远角度看,农业GHG减排的潜力巨大.当前需要关注是,要确定气候变化、可持续性发展、改善环境质量三者的协同作用.     

富氧燃烧技术的应用现状分析

介绍了富氧燃烧技术在加热炉上的应用。重点分析了富氧燃烧/全氧燃烧的节能特性及减排性能,最后还就发展趋势和有待进一步研究的问题进行了分析。     

Evaluation of GHG Emission Reduction Potentials of PV System Considering Power Mix Shifts

Introduction of photovoltaic (PV) systems, also known as solar cell systems, reduces greenhouse gasses (GHGs) emission, by substituting a part of the GHG intensive generation with GHG-free generation during effective daylight hours. Because power is generated from different kinds of power plants operated with momentarily changing proportion, consideration of resulting changes in the power mix is needed to correctly estimate the reduction potential of a large scale introduction scenario. In this paper, a linear mathematical programming model is constructed to simulate a power mix for a given power demand under a cost minimization objective. Using the model, GHG emission reduction potentials at different scales of PV introduction were calculated assuming an ideal solar irradiation. A comparison of daily power generation before and after the introduction indicates that reduction potentials calculated with averaged GHG emission factor could result in errors, because PV systems neither replace averaged nor the single kind of power generations, but affects the entire power mix and reduces fossil fuel consumption. It is shown that the GHG emission reduction per kWh of power generated by PV differs at different capacities of installation. Namely, for the initial introduction stage, reduction would be close to fossil fuel fired power plant average for an introduction range less than 1?GWp.     

铜产业链GHG排放减量化的探讨

减少GHG排放以应对全球气候变化已成为人类社会的共识.为了探讨铜业GHG排放减量化问题,文中运用生命周期评价（LCA）方法,依据ISO14064定量评估标准,选取中国铜工业普遍采用的火法炼铜工艺,并以紫金山金铜矿为例,具体分析1 t铜生产过程GHG排放情况,从产业链与工艺角度来看,采矿、选矿、熔炼、精炼、电解环节中GHG直接和间接排放比率分别为:4.33%、58.62%、32.12%、2.42%、2.42%.其中选矿和熔炼阶段占90.74%.并以此为基础探讨了铜工业GHG排放减量化的有效途径.其主要结论为:采用循环技术,减少直接GHG排放源;构建闭合型铜生态产业链,减少能源间接GHG排放;完善铜静脉产业,减少其他间接GHG排放.      

Fuel Switching in the Electricity Sector under the EU ETS: Review and Prospective

The European Union has implemented the European Union emission trading scheme (EU ETS) as an instrument to facilitate greenhouse gas (GHG) emission abatement stipulated in the Kyoto protocol. Empirical data show that in the early stages of the EU ETS, the value of a ton of CO2 has already led to emission abatement through switching from coal to gas in the European electric power sector. In the second part of this paper, an electricity generation simulation model is used to perform simulations on the switching behavior in both the first and the second trading periods of the EU ETS. In 2005, the reduction in GHG emissions in the electric power sector due to EU ETS is estimated close to 88?Mton. For the second trading period, a European Union allowance (EUA) price dependent GHG reduction curve has been determined. The obtained switching potential turns out to be significant, up to 300?Mton/year, at sufficiently high EUA prices.     

Implementation of a greenhouse gas reduction roadmap for steel producing companies

This paper shall show an economic feasible approach to implement greenhouse gas（GHG） reduction measures into steel companies. The goal to improve energy consumption is directly linked to the reduction of GHG emissions and therefore directly in correlation with the economic viability. A baseline scenario of the considered reference system and of the respective reference year has to be defined, mapped and analysed. In a second step an analysis of the same operation using available and prospected best available technology （BAT） processes is carried out to generate a basis for a benchmark system. The identified reduction potentials are reported and the GHG emission reductions are put into relation to the investment cost of the new process technologies/process adaption to be implemented.This economic feasibility calculation is necessary to realise a cost efficient GHG reduction roadmap implementation into the company’s business operations. The GHG reduction roadmap is developed using the abatement curve concept to get an indication of " low hanging fruits" and for establishing a sequence for implementing carbon emission reductions measures. The scope of that approach can be extended by including further important environmental parameters like NOx, SO₂,CO,dust,heavy metal emissions in air as well as production residues.That gives in the end a broader picture and more starting points to improve the overall environmental performance of steel producing companies beyond the GHG emissions and energy consumption.     

焦炉煤气发电技术在某焦化企业的应用实例

某焦化企业针对焦炉煤气现状,响应国家节能减排的号召,建设一座12 MW余热电站用于有效回收利用企业焦炉煤气。从焦炉煤气利用方案、主要设备参数、工艺系统、主厂房布置等方面进行了论述,详细介绍了焦炉煤气发电技术在该焦化企业的应用情况。焦炉煤气发电技术的应用为节能减排、环境保护做出了巨大贡献,同时也为企业创造了可观的经济效益。     

温室气体和钢铁工业减排措施

由温室气体引起的全球气候变化已成为国际社会关注的焦点。2005年2月16日正式生效的《京都议定书》虽暂时对中国无直接的压力，但中国的温室气体排放总量仅次于美国，居世界第2位，居发展中国家的首位，这使中国在相关国际谈判中面临很大压力。2001年中国人均二氧化碳排放量为2.43 t，低于世界人均水平（3.88 t），但温室气体排放呈急剧增长趋势。中国钢铁行业的二氧化碳排放量约占发展中国家钢铁工业总排放量的30%，在国内工业二氧化碳排放量在工业二氧化碳排放中仅次于电力、建材（水泥），居第3位。介绍了相关的国际动态和对我国钢铁行业温室气体排放现状分析和减排措施的研究工作。     

降低炼铁系统能源消耗的实践

分析了武钢炼铁系统的能源消耗状况，介绍了降低能源消耗的主要措施；开展节能技术进步，降低燃料和动力消耗，加强余热余能回收，以及不断强化节能管理工作。     

余热蒸汽制冷技术在宝钢应用现状和前景分析

针对宝钢夏季低压蒸汽放散率高的问题,结合能源系统的平衡情况,对目前宝钢使用的21台利用蒸汽的余热制冷溴化锂机组进行具体深入的分析.分析表明,溴化锂蒸汽制冷机组运行可靠,能够满足用户需要,极少出现能力衰减现象,在加强运行监控和水质管理的前提下,能够避免机组结晶.据此结合宝钢实际情况,提出推广余热蒸汽制冷增加夏季低压蒸汽负荷以解决夏季蒸汽放散率高的方案,并有利于减少电力消耗,具有明显的节能效果,最后给出了宝钢推广使用蒸汽制冷方面的建议.     

以科技创新促进节能减排的实践与探索

日照焦电选用清洁型热回收焦炉,采用焦电联产工艺。焦炉建成投用以来,以科技创新为手段,解决节能减排技术、设备瓶颈制约问题,突破传统焦化在环保方面的制约,提高焦煤资源的综合利用率,增强余热资源综合利用水平,产学研合作,大力发展节能减排、循环经济的新技术。通过科技创新,焦炭产量提高5万t,发电量提高7300万kW·h,节约标准煤2.555万t,减排二氧化碳63875万t,减排二氧化硫86t,增加收入17309万元。     

论锰铁合金企业如何节能减排

从锰铁合金行业的工艺技术的改进、节能技术的应用和企业节能管理等方面进行了阐述,提出了锰铁合金企业节能减排的一些措施。