Examining the Nuclear Accident at Fukushima Daiichi

Blandford, Edward D.; Ahn, Joonhong

doi:10.2113/gselements.8.3.189

Cited by 29 publications

(10 citation statements)

References 2 publications

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“…Clinoptilolite has actually been used to reduce cesium radionuclide levels in contaminated waters [19,20,30,31], unlike to the synthetic zeolites mordenite and ferrierite. Furthermore, clinoptilolite has been transformed in CsAlSi 5 O 12 at lower temperatures (1150 C) with respect to ferrierite and mordenite (1200e1300 C; [13e16]).…”

Section: Resultsmentioning

confidence: 99%

“…In particular, after the Chernobyl disaster, clinoptilolite-rich rocks have been used to reduce cesium radionuclide levels from potable waters, milk, chocolate and biscuits for children, soils, plants, sheep, chickens, and fruit juices [19]. Clinoptilolite has been used also after the Fukushima Accident, being a part of the first stage of the Cs-adsorption system [30,31]. To prevent Cs þ release from spent clinoptilolite, temperatures up to 1000e1200 C have been required to attain an almost complete cesium immobilization inside a glassy matrix [18,31e34].…”

Section: Introductionmentioning

confidence: 99%

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Thermal transformation of Cs-clinoptilolite to CsAlSi5O12

Brundu

Cerri

2015

Microporous and Mesoporous Materials

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Thermal transformation of Cs-clinoptilolite to CsAlSi5O12

Brundu

Cerri

2015

Microporous and Mesoporous Materials

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“…Dalam pemenuhan persyaratanpersyaratan untuk pengoperasian yang aman dan selamat maka prinsip pertahanan berlapis (depends in depth) diterapkan baik untuk reaktor daya ataupun reaktor riset. Dengan pemenuhan persyaratan sejak desain hingga operasi diharapkan insiden nuklir yang pernah terjadi, seperti kecelakaan reaktor nuklir di Windscale, Mayak, Chernobyl, Three Mile Island, dan Fukusima [2] yang memiliki dampak kesehatan, ekonomi, sosial dan psikologis dalam jangka pendek maupun jangka panjang yang berbahaya bagi manusia tidak terulang kembali.…”

Section: Pendahuluanunclassified

Pembelajaran Dari Kejadian Scram Pada Kanal Jkt03 Menggunakan Fault Tree Analysis Di Reaktor RSG-Gas

Sukmana¹,

Triharto²

2018

bprn

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PEMBELAJARAN DARI KEJADIAN SCRAM PADA KANAL JKT03 MENGGUNAKAN FAULT TREE ANALYSIS DI REAKTOR RSG-GAS. Kejadian scram merupakan tindakan pencegahan dini terhadap kecelakaan pengoperasian reaktor RSG-GAS. Perangkat pemantau parameter keselamatan pada pengoperasian reaktor memiliki kinerja untuk melakukan fail-safe technics pada operasi start-up range, operasi intermediate range, dan operasi power range. Namun scram yang sering terjadi merupakan kegagalan operasi dan menimbulkan risiko lain. Tujuan dari penelitian ini untuk mengetahui penyebab dasar terjadinya scram dan sebagai pembelajaran dengan metode deskriptif analitik melalui wawancara, observasi, dan telaah dokumen yang dipadukan dengan metode analisis pohon kegagalan. Dari hasil deskriptif analitik diperoleh bahwa kejadian scram lebih sering terindikasi oleh pemantau fluks neutron daerah daya kanal JKT03, sebesar 13,6%. Penyebab dasarnya, terdiri dari kegagalan switch bridging on, kegagalan switch take over, dan sinyal karena kegagalan sistem instrumentasi, gangguan handling sampel iradiasi, serta kondisi ketidakrataan fluks neutron yang diproses oleh kanal logik lainnya. Dengan diketahuinya penyebab scram akan memberikan pembelajaran bernilai untuk pemenuhan keselamatan selama umur operasi reaktor RSG-GAS selanjutnya.Kata kunci: Sistem proteksi reaktor, Scram reaktor, analisis pohon kegagalan, pemantau fluks neutron.

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“…This cold war era anti-nuclear bomb mural was modified soon after the 2011 disaster by the guerilla art group Chim↑Pom (Figure 5). In a work titled "Level 7" (after the most serious level on 2 For example, Satake and Atwater (2007), Blandford and Ahn (2012), and Ritsema, et al (2012). The trip to the Tōhoku region was the most moving part of each year's visit.…”

mentioning

confidence: 99%

Disasters in Japan: LIASE-Funded On-site Experiential Learning Courses Exploring the Science, Social Impact, and Culture of Disaster

Bates

2019

ASIANetwork Exchange a Journal for Asian Studies in the Liberal Arts

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This article describes two interdisciplinary summer experiential learning courses focused on disasters in Japan, both partially funded through LIASE (Luce Initiative on Asian Studies and the Environment). The first course was titled “Seismic Japan” and was centered on earthquakes through Japan’s history culminating in the 2011 disaster. The second, “Meltdowns and Waves,” was a comparative look at the Three-Mile Island meltdown incident, the Fukushima Daiichi nuclear disaster, Hurricane Sandy, and the 2011 tsunami. Both courses provided a unique interdisciplinary learning experience for our students, one that explored the science behind earthquakes, tsunamis, and nuclear accidents as well as the impacts of these disasters on Japanese society and culture.

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Examining the Nuclear Accident at Fukushima Daiichi

Cited by 29 publications

References 2 publications

Thermal transformation of Cs-clinoptilolite to CsAlSi5O12

Thermal transformation of Cs-clinoptilolite to CsAlSi5O12

Pembelajaran Dari Kejadian Scram Pada Kanal Jkt03 Menggunakan Fault Tree Analysis Di Reaktor RSG-Gas

Disasters in Japan: LIASE-Funded On-site Experiential Learning Courses Exploring the Science, Social Impact, and Culture of Disaster

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