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Oral presentation

Performance of steam reforming technology in a long term treatment of waste organic solvent

Shimizu, Koki; Aoyama, Yoshio

no journal, , 

A long term pilot scale experiment with steam reforming treatment technology was conducted for volume and weight reduction of uranium contaminated waste organic solvent which was difficult to incinerate. The technology consists of a steam reforming process and a submerged combustion process. In the fast process, organic solvent is vaporized and pyrolyzed with superheated steam in a reducing atmosphere. In the second process, the decomposition gases are completely burned in a submerged combustion reactor. A short term treatment test was carried out the before the long term test. The test achieved high mass reduction rate of the waste organic solvent.

Oral presentation

Preliminary study for halogen free dissolution techniques for determination of radioactive waste sampling

Shimizu, Koki; Koyama, Hayato; Aoyama, Yoshio

no journal, , 

no abstracts in English

Oral presentation

Study of removal of nitrate ion from wastewater by ultraviolet rays

Shimizu, Koki

no journal, , 

no abstracts in English

Oral presentation

Study of removal of nitrate ion from wastewater by ultraviolet rays, 2

Shimizu, Koki

no journal, , 

no abstracts in English

Oral presentation

Study of deoxidization of nitrate ion from radioactive wastewater by ultraviolet rays

Shimizu, Koki; Koyama, Hayato; Hagiwara, Masayoshi

no journal, , 

no abstracts in English

Oral presentation

Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station, 41; Determination of degradation acceleration on solidified body by efflorescence test

Sato, Junya; Kuramochi, Ryo*; Shimizu, Koki; Matsumoto, Saori; Taniguchi, Takumi; Kuroki, Ryoichiro; Osugi, Takeshi

no journal, , 

no abstracts in English

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