Journal of The Japan Institute of Energy最新文献_第2页

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Journal of The Japan Institute of Energy Pub Date : 2023-10-20 DOI: 10.3775/jie.102.tce10_1

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Journal of The Japan Institute of Energy Pub Date : 2023-09-20 DOI: 10.3775/jie.102.tce9_1

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Journal of The Japan Institute of Energy Pub Date : 2023-09-20 DOI: 10.3775/jie.102.tcj9_1

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Microalgae Cultivation in Electrochemically Oxidized Anaerobic Digestate from Coffee Waste Biomass 咖啡废弃物电化学氧化厌氧消化液中微藻的培养

Journal of The Japan Institute of Energy Pub Date : 2023-09-20 DOI: 10.3775/jie.102.96

Haibo CHEN, Gen YOSHIDA, Fetra J. ANDRIAMANOHIARISOAMANANA, Ikko IHARA

{"title":"Microalgae Cultivation in Electrochemically Oxidized Anaerobic Digestate from Coffee Waste Biomass","authors":"Haibo CHEN, Gen YOSHIDA, Fetra J. ANDRIAMANOHIARISOAMANANA, Ikko IHARA","doi":"10.3775/jie.102.96","DOIUrl":"https://doi.org/10.3775/jie.102.96","url":null,"abstract":"Anaerobic digestate contains rich nutrients, such as nitrogen and phosphorus, which could be reused in microalgae cultivation. However, a clear growth medium is required for the cultivation to facilitate light permeable condition. The aim of this work was to investigate microalgae cultivation in electrochemically oxidized liquid digestate from coffee waste biomass. After removing the solid fraction of the digestate through microfiltration, the liquid digestate was treated by electrochemical oxidation using a boron-doped diamond anode. The liquid digestate (LD) and electrochemically oxidized liquid digestate (ELD) were used as media for microalgae cultivation.The effects of dilution from 5 to 20 times of the LD and reaction time from 1 to 5 h of the ELD on microalgae growth were also investigated. The results showed that the electrochemical oxidation had little influence on ammonium concentration in the digestate, whereas a color removal of up to 85% was observed. The ELD showed better microalgal growth performances than diluted LD, based on the data from optical density at 680 nm and cell density. The 10 times diluted, 2 h ELD achieved the best growth performance (additional optical density of 1.5 (-)) in all conditions. Our experiments proved that the ELD as a highly light permeable medium, better improved the growth performance of C. sorokiniana cultivation when compared with the LD medium.","PeriodicalId":17318,"journal":{"name":"Journal of The Japan Institute of Energy","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136377477","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}

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Facile Preparation of Fe Mo Impregnated Catalyst for Carbon Nanotube Synthesis from Eucalyptus Oil 桉叶油制备铁钼浸渍碳纳米管催化剂的研究

Journal of The Japan Institute of Energy Pub Date : 2023-09-20 DOI: 10.3775/jie.102.104

Giang T. T. LE, BoA KYUNG, Emma ROUYRE, Sakhon RATCHAHAT, Weerawut CHAIWAT, Tawatchai CHARINPANITKUL

{"title":"Facile Preparation of Fe Mo Impregnated Catalyst for Carbon Nanotube Synthesis from Eucalyptus Oil","authors":"Giang T. T. LE, BoA KYUNG, Emma ROUYRE, Sakhon RATCHAHAT, Weerawut CHAIWAT, Tawatchai CHARINPANITKUL","doi":"10.3775/jie.102.104","DOIUrl":"https://doi.org/10.3775/jie.102.104","url":null,"abstract":"Carbon nanotubes were produced via co-pyrolysis of a carbon source and catalytic metal nanoparticles. Utilization of molybdenum to iron impregnated catalyst was found to provide carbon nanotubes with superior graphitic carbon content at rather low pyrolysis temperature and higher CNT yield. In this work, a facile method to obtain Fe Mo impregnated catalyst was introduced, and eucalyptus oil was employed as main carbon source with an aim of utilizing bio-based and renewable feedstock. After impregnation and drying steps, ferrocene impregnated with molybdenum was employed for CNT synthesis without any further treatment. Repeated experimental results using Fe Mo impregnated catalyst revealed that CNT yield could be increased from 0.269 to 0.404 kg/kg when pyrolysis temperature was increased from 800 to 900 °C. Based on SEM, XRD, and Raman spectroscopic analyses, CNTs obtained from Fe Mo impregnated catalyst possessed higher graphitic content when compared to those obtained from pure ferrocene only. These results reveal a promising way to utilize FeMo impregnated catalyst for effective valorization of eucalyptus oil to produce CNTs.","PeriodicalId":17318,"journal":{"name":"Journal of The Japan Institute of Energy","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136377475","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}

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A Life Cycle Assessment of Cofiring in a Coal Power Plant to Estimate Purchasing Cost of Empty Fruit Bunch Pellets 利用燃煤电厂共烧生命周期评估估算空果团颗粒采购成本

IF 0.2

Journal of The Japan Institute of Energy Pub Date : 2023-08-20 DOI: 10.3775/jie.102.84

A. Setiawan, S. S. Munawar, Reza Ariesca, D. Purnomo, Riaru Ishizaki, A. S. Putra, K. Siregar, Agus Noor Sidiq, E. Wiloso, T. Ahamed, R. Noguchi

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Relationship between Pellet Strength and Chemical Composition of Torrefied Cellulose 碳化纤维素颗粒强度与化学成分的关系

IF 0.2

Journal of The Japan Institute of Energy Pub Date : 2023-08-20 DOI: 10.3775/jie.102.77

Yuto Noda, Shiho Ikeda, Takuya Yoshida, Y. Uemura, H. Nonaka

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Journal of The Japan Institute of Energy Pub Date : 2023-08-20 DOI: 10.3775/jie.102.tcj8_1

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IF 0.2

Journal of The Japan Institute of Energy Pub Date : 2023-08-20 DOI: 10.3775/jie.102.tce8_1

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Fundamental Properties of Ammonia Borane Aqueous Solution: Dissolution Enthalpy of Solution, Freezing Points and Solubility Curve, Thermal analysis, Stability and Phase Diagram 氨硼水溶液的基本性质:溶液的溶解焓，凝固点和溶解度曲线，热分析，稳定性和相图

IF 0.2

Journal of The Japan Institute of Energy Pub Date : 2023-07-20 DOI: 10.3775/jie.102.65

Yoshihiro Shimizu, Reiya Tamaki, A. K. Tripathi, Shuji Takamine, Ye Tian, Kohe Kishimoto, Tasuku Teruya, Yuri Unten, Hina Shinjo, T. Nakagawa

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