The 191st ISIJ Spring Meeting
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Session Details

Discussion SessionsSustainable Systems

Utilization of phosphate in the steelmaking slag as fertilizer

Wed. Mar 11, 2026 9:00 AM - 12:30 PM JST
Wed. Mar 11, 2026 12:00 AM - 3:30 AM UTC
Room4（No.8 Bldg. 2F 8204）
和崎淳 [広島大]、谷昌幸 [帯広畜産大]、松永久宏 [JFE]
9:10 AM - 9:40 AM JST(12:10 AM - 12:40 AM UTC)

[D1]Production of phosphorus concentrated slag by high-temperature treatment of steelmaking slag

〇Shohei Kakimoto1, Toshiya Harada2 (1.Nippon Steel, 2.Nippon Steel Technology)
9:40 AM - 10:10 AM JST(12:40 AM - 1:10 AM UTC)

[D2]Characteristics of element uptake by crop plants from phosphorus-concentrated slag fertilizer

〇Jun Wasaki1, Misato Abiko1, Toshihiro Watanabe2 (1.Hiroshima Univ., 2.Hokkaido Univ.)
10:10 AM - 10:30 AM JST(1:10 AM - 1:30 AM UTC)

[D3]The effect of intercropping on element uptake from phosphorus-concentrated slag fertilizer

〇Misato Abiko1, Jun Wasaki1, Toshihiro Watanabe2 (1.Hiroshima Univ., 2.Hokkaido Univ.)
10:45 AM - 11:15 AM JST(1:45 AM - 2:15 AM UTC)

[D4]The characteristics and effective use of phosphorus-concentrated steelmaking slag as fertilizer -Why does Japanese agriculture expect for phosphorus-concentrated steelmaking slag?-

〇Masayuki Tani, Rintaro Kinoshita, Hiroaki Shimada (Obihiro Univ. Agri. Vet. Med.)
11:15 AM - 11:45 AM JST(2:15 AM - 2:45 AM UTC)

[D5]Validation of effects of phosphorous-concentrated steelmaking slag through field trials (Field cultivation trials are shortcuts for social implementation)

〇Hiroaki Shimada, Rintaro Kinoshita, Masayuki Tani (Obihiro Univ. Agri. Vet. Med.)
11:45 AM - 12:15 PM JST(2:45 AM - 3:15 AM UTC)

[D6]Fertilizer potential of low phosphorus hot metal pretreatment slag

〇Hiromu Yano1, Hisahiro Matsunaga1, Yoshiyuki Nakamura1, Jun Wasaki2, Takuya Yamamura2 (1.JFE, 2.Hiroshima Univ.)
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