With the startup and execution of new socialistic countryside construction in Heilongjiang Province,the transition from castoff to resource is strengthened in the countryside,aiming at neat appearance of the countrysi...With the startup and execution of new socialistic countryside construction in Heilongjiang Province,the transition from castoff to resource is strengthened in the countryside,aiming at neat appearance of the countryside,clean production and saving energy.People produce biogas and provide the countryside with new energy by means of turning livestock＇s dejection into resources,composting of the plant and animal＇s leavings in the courtyard and even in the factory.It is helpful for the countryside to conserve the energy and reduce emission of the waste.And it also plays an important role in protecting the eco-environment,beautifying homestead and developing the ecological agriculture and so on.The liquid and solid residue in the biogas production can be reused as fertilizer for crops or food for animals after pretreatment,which is propitious to accelerate the development of the circular economy in Heilongjiang Province.展开更多
为了准确评估温拌再生融合技术的环境效益,基于生命周期法确定路面建设期间环境效益的边界范围,建立碳排放计算模型。通过现场调查及数据分析,运用模型分别计算温拌再生技术与热拌技术的能耗及温室气体排放。最终对比分析了温拌再生融...为了准确评估温拌再生融合技术的环境效益,基于生命周期法确定路面建设期间环境效益的边界范围,建立碳排放计算模型。通过现场调查及数据分析,运用模型分别计算温拌再生技术与热拌技术的能耗及温室气体排放。最终对比分析了温拌再生融合技术的节能减排效益。结果表明:温拌再生路面施工过程中,原材料生产能耗324.47 MJ,温室气体排放为19.65 kg CO_(2e),混合料拌和能耗为217.28 MJ,温室气体排放为18.15 kg CO_(2e)。与热拌技术相比,温拌再生融合技术在混合料拌和阶段能耗和温室气体排放都有减少,RAP掺量为40%时,温拌再生路面建设期能耗节约33.33%,CO_(2)排放降低20.11%。展开更多
基于相同的核算边界,分别构建采用A-D-E-RC法制浆联合生物质热电联产与常规碱法制浆联合燃煤热电联产的能量与碳排放模型。通过物流平衡及排放因子法联合实测数据测算出2种制浆联合厂的能耗及碳排放。结果表明,采用A-D-E-RC法制浆联合...基于相同的核算边界,分别构建采用A-D-E-RC法制浆联合生物质热电联产与常规碱法制浆联合燃煤热电联产的能量与碳排放模型。通过物流平衡及排放因子法联合实测数据测算出2种制浆联合厂的能耗及碳排放。结果表明,采用A-D-E-RC法制浆联合生物质热电联产工厂的单位产品能耗比常规碱法制浆联合工厂降低了26.8%。其中,碱回收单元降低了51.2%的能耗。采用A-D-E-RC法制浆联合生物质热电联产的单位产品碳排放量为1.72 t CO_(2)/Adt,且93.6%为生物质碳,总碳排放下降了31.6%,表明采用A-D-E-RC法制浆联合生物质热电联产具有显著的节能减排效应,为促进制浆联合企业的绿色可持续发展提供新的策略。展开更多
基金Supported by Foundation of Heilongjiang Province Educational Committee (11551056)Scientific Fund of Heilongjiang Province for Youth (QC2009C40)+1 种基金Fund of Harbin City Innovative Talent (2009RFQXN096)Heilongjiang Province Postdoctoral Science Foundation
文摘With the startup and execution of new socialistic countryside construction in Heilongjiang Province,the transition from castoff to resource is strengthened in the countryside,aiming at neat appearance of the countryside,clean production and saving energy.People produce biogas and provide the countryside with new energy by means of turning livestock＇s dejection into resources,composting of the plant and animal＇s leavings in the courtyard and even in the factory.It is helpful for the countryside to conserve the energy and reduce emission of the waste.And it also plays an important role in protecting the eco-environment,beautifying homestead and developing the ecological agriculture and so on.The liquid and solid residue in the biogas production can be reused as fertilizer for crops or food for animals after pretreatment,which is propitious to accelerate the development of the circular economy in Heilongjiang Province.
文摘为了准确评估温拌再生融合技术的环境效益,基于生命周期法确定路面建设期间环境效益的边界范围,建立碳排放计算模型。通过现场调查及数据分析,运用模型分别计算温拌再生技术与热拌技术的能耗及温室气体排放。最终对比分析了温拌再生融合技术的节能减排效益。结果表明:温拌再生路面施工过程中,原材料生产能耗324.47 MJ,温室气体排放为19.65 kg CO_(2e),混合料拌和能耗为217.28 MJ,温室气体排放为18.15 kg CO_(2e)。与热拌技术相比,温拌再生融合技术在混合料拌和阶段能耗和温室气体排放都有减少,RAP掺量为40%时,温拌再生路面建设期能耗节约33.33%,CO_(2)排放降低20.11%。
文摘基于相同的核算边界,分别构建采用A-D-E-RC法制浆联合生物质热电联产与常规碱法制浆联合燃煤热电联产的能量与碳排放模型。通过物流平衡及排放因子法联合实测数据测算出2种制浆联合厂的能耗及碳排放。结果表明,采用A-D-E-RC法制浆联合生物质热电联产工厂的单位产品能耗比常规碱法制浆联合工厂降低了26.8%。其中,碱回收单元降低了51.2%的能耗。采用A-D-E-RC法制浆联合生物质热电联产的单位产品碳排放量为1.72 t CO_(2)/Adt,且93.6%为生物质碳,总碳排放下降了31.6%,表明采用A-D-E-RC法制浆联合生物质热电联产具有显著的节能减排效应,为促进制浆联合企业的绿色可持续发展提供新的策略。
