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Journal of The Japan Society of Material Cycles and Waste Management最新文献

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Material Design of Cement for Increased Waste Usage and Reduction of CO 2 Emissions 提高废物利用率和减少二氧化碳排放的水泥材料设计
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.20.1
E. Sakai, E. Maruya, F. Canpolat, P. Claisse, E. Ganjian
{"title":"Material Design of Cement for Increased Waste Usage and Reduction of CO 2 Emissions","authors":"E. Sakai, E. Maruya, F. Canpolat, P. Claisse, E. Ganjian","doi":"10.3985/JJSMCWM.20.1","DOIUrl":"https://doi.org/10.3985/JJSMCWM.20.1","url":null,"abstract":"Cement industry contributes to the recycling of resources by using various industrial wastes and by-products in Japan. Furthermore, the industry must facilitate efforts to prevent global warming. Therefore, the comprehensive materials design of cement, in consideration of both environmental impacts and properties, is expected to become increasingly important. This paper describes the influence of mineral admixtures on the paste fluidity and the adiabatic temperature rising characteristic of cement containing high aluminate phase content. The fluidity of the cement paste containing aluminate phase of 12 mass% was improved by adding of mineral admixtures such as granulated blast furnace slag or limestone powder. By increasing of aluminate phase of cement and addition of mineral admixtures, it is possible to enlarge waste usage and reduce CO 2 emission without changing the performance of cement in cement industry.","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114745696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of O2 Concentration on Dioxin Concentration in Exhaust Gas O2浓度对废气中二恶英浓度的影响
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.20.343
H. Kawabata, S. Akita, H. Ono, T. Usui
{"title":"Influence of O2 Concentration on Dioxin Concentration in Exhaust Gas","authors":"H. Kawabata, S. Akita, H. Ono, T. Usui","doi":"10.3985/JJSMCWM.20.343","DOIUrl":"https://doi.org/10.3985/JJSMCWM.20.343","url":null,"abstract":"本研究では，実験室規模の燃焼炉を用いて，1,073Kの温度において燃焼物として用いたポリ塩化ビニル (PVC) 粉末試薬の添加速度ならびに供給O2-N2ガス組成の混合割合を広範囲に変化させて燃焼実験を行い，0.1vol%O2から35vol%O2に及ぶ幅広い排ガス中の残存O2濃度とダイオキシン類生成濃度との関連性を調査した。残存O2濃度が3vol%付近で，排ガス中ダイオキシン類濃度は極大値を示し，O2濃度増加とともにダイオキシン類濃度が急激に減少するが，約10vol%以上ではダイオキシン類濃度の減少は非常に緩やかになる。一方，残存O2濃度が0.1vol%で，CO濃度が高い還元雰囲気においても，ダイオキシン類濃度は減少する。完全燃焼条件下では，高温域での燃焼ガスの滞留時間が短い場合，高塩素化度のPCDFs濃度が高くなるフィンガーパターンを示す。一方，滞留時間が長い場合，低塩素化度のPCDFs濃度が高くなる逆のフィンガーパターンとなる。また，不完全燃焼条件下におけるPCDFs濃度分布は，塩素化度に依存しないフラットなフィンガーパターンになる傾向がある。高温域における燃焼ガスの長い滞留時間は，ダイオキシン類のTotal濃度を減少させるが，低塩素化度の同族体濃度が増加することによりTEQ濃度が減少しない，あるいは増加する場合もある。","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126442810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Medical and Sanitary Wastes on Tottori Beaches and the Dumping Ratio of Wastes in Japan 鸟取海滩的医疗卫生废弃物及日本废弃物倾倒比率
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.1130103
T. Okano, Motoki Yasumoto
{"title":"Medical and Sanitary Wastes on Tottori Beaches and the Dumping Ratio of Wastes in Japan","authors":"T. Okano, Motoki Yasumoto","doi":"10.3985/JJSMCWM.1130103","DOIUrl":"https://doi.org/10.3985/JJSMCWM.1130103","url":null,"abstract":"","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126488896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analyzing Submissions for a Waste Reduction Competition in Gunma Prefecture 群马县减废竞赛意见书分析
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/jjsmcwm.31.55
Yoshinori Saitoh
{"title":"Analyzing Submissions for a Waste Reduction Competition in Gunma Prefecture","authors":"Yoshinori Saitoh","doi":"10.3985/jjsmcwm.31.55","DOIUrl":"https://doi.org/10.3985/jjsmcwm.31.55","url":null,"abstract":"Many local governments in Japan are known to hold public idea competitions as a means of raising awareness about the issue of waste reduction. The study outlined in this paper tests whether the public majority opinion can be effectively determined by text-mining all submissions of a competition sponsored by Gunma Prefecture, rather than focusing only on the winning submissions. The analysis focuses on elementary school students who comprised over 80 % of the applicants. Results indicate that nouns such as ʻpaperʼ, ʻclothʼ, ʻPET bottlesʼ, and ʻskin (vegetable peelings)ʼ appeared frequently in the submissions among this age group. This suggests there is a strong awareness about garbage and which of the 3Rs (reduce, reuse, recycling) should be promoted with regard to each different waste group. Furthermore, the mined text revealed that the judging system was likely to award a high score to the minority of submissions that were linguistically more original than others. The methodology used in this study to demonstrate that it is possible to understand and analyze majority public opinion on an issue may offer a way to add value to the conventional ideas behind holding such competitions.","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"198 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132228319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of Institutions on the Management of Disaster Wastes in the Great East Japan Earthquake 制度对东日本大地震灾害废物管理的影响
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.25.1
R. Tajima, M. Osako, T. Tasaki
{"title":"Impact of Institutions on the Management of Disaster Wastes in the Great East Japan Earthquake","authors":"R. Tajima, M. Osako, T. Tasaki","doi":"10.3985/JJSMCWM.25.1","DOIUrl":"https://doi.org/10.3985/JJSMCWM.25.1","url":null,"abstract":"","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131781647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effectiveness of Resistivity Monitoring for Estimating Properties of Landfills Filled with Combustion Residues 电阻率监测在估算燃烧残渣填埋物性质中的有效性
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.22.267
M. Sugisaki, Kazuo Kamura, K. Higuchi, Yosuke Kawamura
{"title":"Effectiveness of Resistivity Monitoring for Estimating Properties of Landfills Filled with Combustion Residues","authors":"M. Sugisaki, Kazuo Kamura, K. Higuchi, Yosuke Kawamura","doi":"10.3985/JJSMCWM.22.267","DOIUrl":"https://doi.org/10.3985/JJSMCWM.22.267","url":null,"abstract":"処分場における比抵抗モニタリングの有効性を検討するため，模擬埋立層を用いたモデル実験を行った。大きさ180cm×100cm×50cmの塩ビ製土槽の底部をセルに区切り，その上に焼却残渣を充填し，厚さ35cmの模擬埋立層を作製した。この層に対して地表面から一様に散水するとともに2次元比抵抗探査を繰り返し行った。そして，得られた比抵抗とセルからの排水の量・質の関係に基づいて，浸出水の電気伝導率の低下が地層比抵抗に与える影響を検討した。その結果，地層比抵抗と浸出水の電気伝導率の変化は逆の相関を示すことが明らかとなり，さらに比抵抗変化率解析を用いて洗い出しの顕著なゾーンを捉えることができた。また，模擬実験としての妥当性を検証するために，実験の結果を実際の処分場で行った研究結果と比較したところ，両者は概ね類似した傾向を示した。","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133607388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heat Exchanger Tube Corrosion in RDF Combustion Boiler RDF燃烧锅炉换热器管腐蚀
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.20.180
H. Hattori, H. Moritomi
{"title":"Heat Exchanger Tube Corrosion in RDF Combustion Boiler","authors":"H. Hattori, H. Moritomi","doi":"10.3985/JJSMCWM.20.180","DOIUrl":"https://doi.org/10.3985/JJSMCWM.20.180","url":null,"abstract":"固形化燃料であるRDFを燃料とする流動層燃焼廃棄物発電の長期運転では，RDF中に含まれるアルカリ成分が付着凝集した熱媒体粒子による，熱交換器部材の化学的あるいは物理的な腐食が懸念されている。本研究では熱交換器部材の腐食メカニズムを明らかにすることを目的として，熱交換器部材の試験片を流動層燃焼条件に24時間曝した後，試験片の重量変化，SEM/EDXによる表面観察，溶出試験，熱力学平衡計算によって腐食関与物質の特定を行った。結果として，熱交換器部材にSUS310Sを用いた場合，空気雰囲気，弱い粒子流動化状態で腐食が進行しやすいこと，腐食要因は炉底砂成分のカルシウムとSUS310S成分の鉄とクロムの化合物であるCa3Fe2Si3O12およびCaCr2O4であることを明らかにした。","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"385 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132591462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Production of Bioethanol from Potatoes and Waste Syrup 从马铃薯和废糖浆中生产生物乙醇
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.22.10
M. Takaki, Kai Liu, H. Ohta, S. Morimura, K. Kida
{"title":"Production of Bioethanol from Potatoes and Waste Syrup","authors":"M. Takaki, Kai Liu, H. Ohta, S. Morimura, K. Kida","doi":"10.3985/JJSMCWM.22.10","DOIUrl":"https://doi.org/10.3985/JJSMCWM.22.10","url":null,"abstract":"","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115660700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Environmental Load Assessment for Recycled Products 回收产品的环境负荷评估
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.22.167
Takashi Saeki, Naohisa Yamaguchi, M. Osako
{"title":"Environmental Load Assessment for Recycled Products","authors":"Takashi Saeki, Naohisa Yamaguchi, M. Osako","doi":"10.3985/JJSMCWM.22.167","DOIUrl":"https://doi.org/10.3985/JJSMCWM.22.167","url":null,"abstract":"現在，多くの道府県で運用されているリサイクル製品を認定するリサイクル製品認定制度による温室効果ガス (GHG) 排出削減効果について，ライフサイクルアセスメントの手法を用いた評価を行った。アスファルト混合物，コンクリート二次製品，インターロッキングブロックの3品目について評価を行った結果，各品目においてGHG排出量の削減効果を確認し，循環資源の単位配合率あたりのGHG排出削減量を環境負荷削減係数として算出した。また，リサイクル認定製品の利用実績や循環資源の配合率，販売・調達実績等を調査し，循環資源利用量およびGHG排出削減効果について推計を行った。推計から得られたリサイクル製品の利用による人口あたりGHG排出削減量が最大の県と同等の利用が全国で行われると仮定すると，全国でのGHG排出削減量は約66万ton-CO2と推計された。","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126168588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
準好気性埋立構造における浸出水への「炭素溶出量予測式」に関する研究 关于准好气性填筑结构浸出物“碳溶出预测公式”的研究
Journal of The Japan Society of Material Cycles and Waste Management Pub Date : 1900-01-01 DOI: 10.3985/JJSMCWM.27.135
修 平田, 龍二 柳瀬, 綾子 田中, 康司 松藤
{"title":"準好気性埋立構造における浸出水への「炭素溶出量予測式」に関する研究","authors":"修 平田, 龍二 柳瀬, 綾子 田中, 康司 松藤","doi":"10.3985/JJSMCWM.27.135","DOIUrl":"https://doi.org/10.3985/JJSMCWM.27.135","url":null,"abstract":"","PeriodicalId":432877,"journal":{"name":"Journal of The Japan Society of Material Cycles and Waste Management","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124746566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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