- 31 -
ࣉࣟࢵࢺࡉࢀࡿⅣ✀ࡀከࡃ㸪࣐ࢸࣜࣝࣂࣛࣥࢫࡀ100 %௨ୖ࡞ࡗ࡚࠸ࡿࡇࡣ᫂ࡽ
࡛࠶ࡿ㸬
Fig. 2-9 ⅊ᇶ‽ࣄ⣲⃰ᗘ⏕್FAᖹᆒࣄ⣲⃰ᗘࡢ㛵ಀ㸦1ྕᶵ㸧
Fig. 2-10 ⅊ᇶ‽ࣄ⣲⃰ᗘ⏕್FAᖹᆒࣄ⣲⃰ᗘࡢ㛵ಀ㸦2ྕᶵ㸧 0
5 10 15 20 25 30 35 40
0 5 10 15 20 25 30 35
䝣䝷䜲䜰䝑䝅䝳୰ᖹᆒ䝠⣲⃰ᗘ, mg/kg-ash
⅊ᇶ‽䝠⣲⃰ᗘ, mg/kg-ash
⬟௦䠍䠱Unit 1
0 5 10 15 20 25 30 35 40
0 10 20 30 40
䝣䝷䜲䜰䝑䝅䝳୰ᖹᆒ䝠⣲⃰ᗘ, mg/kg-ash
⅊ᇶ‽䝠⣲⃰ᗘ, mg/kg-ash
Unit 2⬟௦䠎䠱
- 32 -
ࡉ࡚㸪ࣇࣛࢵࢩࣗ୰ࣄ⣲⃰ᗘࢆ⢭ᗘⰋࡃண ࡍࡿࡣ㸪Fig. 2-7㸪Fig. 2-8ࡢᅗ
࡞ࢇࡽࡢᕤኵࢆࡋ࡚Ⰻ࠸┦㛵ᑟࡃࡇࡀᚲせ࡛࠶ࡿ㸬ࣇࣛࢵࢩࣗศ㓄ࡉࢀࡿ
ࣄ⣲㔞ࢆỴᐃࡍࡿᅉᏊࡋ࡚ࡣ㸪Fig. 2-7ࡽFig. 2-10࡛♧ࡋࡓ⅊ᇶ‽ࣄ⣲㔞ࡀ᭱ࡶ┦
㛵ࡀⰋࡃ㸪ࡇࢀ௨እࡢࡢࡼ࠺࡞ᅉᏊࡶⰋ࠸ᅉᏊࡣ࡞ࡾᚓ࡞ࡗࡓ㸬⅊ᇶ‽ࣄ⣲㔞 AsAVࡣ㸪
AsAV = As0 / Ash × 100 (2-5)
࡛ィ⟬ࡉࢀࡿࡀ㸪ࡇࢀಟṇࢆຍ࠼ࡿࡍࢀࡤ㸪ཎⅣ୰ࣄ⣲㔞㸦⿵ṇ್㸧As0⅊ศ Ash ᩘ್ࢆࡌࡿࡇ࡞ࡿ㸬
┦㛵ಀᩘࡀ᭱ࡶⰋࡃ࡞ࡿ㛵ಀᘧࢆヨ⾜㘒ㄗⓗ᥈⣴ࡋࡓ⤖ᯝ㸪Ash ࡢ0.65㸪ࡍ࡞
ࢃࡕ㸪
As0 / Ash0.65 × 100 (2-6) ࡀ1㸪2ྕᶵࡶⰋ࠸┦㛵ಀᩘࡀᚓࡽࢀࡿࡇࡀࢃࡗࡓ㸬Fig. 2-11㸪Fig. 2-12ࡣ㸪 (2-6)ᘧࡢ್ࢆᅉᏊࡋ࡚㸪ࣇࣛࢵࢩࣗ୰ᖹᆒࣄ⣲⃰ᗘ┦㛵ࡋࡓᅗࢆ♧ࡍ㸬1㸪2
ྕᶵࡶ┦㛵ಀᩘ0.97㏆࡛࠶ࡾ㸪ᵝࠎ࡞Ⅳ✀ࡢ┦㛵࠾࠸࡚ࡣ㠀ᖖⰋ࠸┦㛵ಀ
ᩘゝ࠼ࡿ㸬
ࡇࢀࡽࡢᅗࡽ㸪ࣇࣛࢵࢩࣗ୰ࣄ⣲⃰ᗘࢆண ࡍࡿᘧࡋ࡚㸪ḟᘧࡀᚓࡽࢀࡓ㸬
࣭㸯ྕᶵࡘ࠸࡚
Asm = 1.020 × As0 + 0.232
AsAV = 0.439×( Asm / Ash0.65 × 100) + 0.078 㸦2-7㸧
࣭2ྕᶵࡘ࠸࡚
Asm = 1.020 × As0 + 0.232
AsAV = 0.459×( Asm / Ash0.65 × 100)㸫0.613 㸦2-8㸧 AsmࡣཎⅣࣄ⣲⃰ᗘ⿵ṇ್[mg/kg-ash, db]㸪As0ࡣཎⅣࣄ⣲⃰ᗘศᯒ್[mg/kg-coal, db]㸪 AsAVࡣࣇࣛࢵࢩࣗ୰ᖹᆒࣄ⣲⃰ᗘ[mg/kg-ash, db]㸪AshࡣཎⅣ⅊ศ[%, db]࡛࠶ࡿ㸬
ࡇࢀࡽࡢᘧࡢண ⢭ᗘࢆFig. 2-13࠾ࡼࡧFig. 2-14♧ࡍࡀ㸪1㸪2ྕᶵࡶᴫࡡs 10%࡞ࡗࡓ㸬
- 33 -
Fig. 2-11 As0 / Ash0.65 FAᖹᆒࣄ⣲⃰ᗘࡢ㛵ಀ㸦1ྕᶵ㸧
Fig. 2-12 As0 / Ash0.65 FAᖹᆒࣄ⣲⃰ᗘࡢ㛵ಀ㸦2ྕᶵ㸧 y = 0.439x + 0.078
R² = 0.965
0 5 10 15 20 25 30 35 40
0 20 40 60 80 100
䝣䝷䜲䜰䝑䝅䝳୰ᖹᆒ䝠⣲⃰ᗘ, mg/kg-ash
As/Ash^0.65㽢100
⬟௦䠍䠱Unit 1
y = 0.459x - 0.613 R² = 0.970
0 5 10 15 20 25 30 35 40
0 20 40 60 80 100
䝣䝷䜲䜰䝑䝅䝳୰ᖹᆒ䝠⣲⃰ᗘ, mg/kg-ash
As/Ash^0.65㽢100
⬟௦䠎䠱Unit 2
- 34 -
Fig. 2-13 FAࣄ⣲⃰ᗘண ᘧࡢண ⢭ᗘ㸦1ྕᶵ㸧
Fig. 2-14 FAࣄ⣲⃰ᗘண ᘧࡢண ⢭ᗘ㸦2ྕᶵ㸧 0
10 20 30 40
0 10 20 30 40
ᖹᆒFA䝠⣲⃰ᗘ䛾ண ್, mg/kg-ash
ᖹᆒFA䝠⣲⃰ᗘ䛾ᐇ ್, mg/kg-ash
⬟௦䠍䠱
䠤䠎䠏㛤Ⓨண ᘧ 䠇䠍䠌䠂
䞊䠍䠌䠂 Unit 1
0 10 20 30 40
0 10 20 30 40
ᖹᆒFA䝠⣲⃰ᗘ䛾ண ್, mg/kg-ash
ᖹᆒFA䝠⣲⃰ᗘ䛾ᐇ ್, mg/kg-ash
⬟௦䠎䠱
䠤䠎䠏㛤Ⓨண ᘧ 䠇䠍䠌䠂
䞊䠍䠌䠂 Unit 2
- 35 -
2. 5
ࣇࣛࢵࢩࣗࣄ⣲⁐ฟ⃰ᗘࡢண ᘧࡢ㛤Ⓨ
2. 5. 1
⁐ฟᐇ㦂࠾ࡼࡧࣄ⣲⁐ฟ⃰ᗘ ᐃ᪉ἲ
⁐ฟᐇ㦂ࡣ⎔ቃᗇ࿌♧13ྕ7)‽ᣐࡋࡓࡀ㸪⅊ᤞᆅవỈࡢpHࡀ9-10࡛࠶ࡿࡇࢆ
⪃៖ࡋ㸪pHࢆ9-10ࡢ㛫ㄪᩚࡋ࡚⾜ࡗࡓ㸬⁐ฟᾮ୰ࡢࣄ⣲⃰ᗘࡣỈ⣲≀Ⓨ⏕ἲࢆ⏝
࠸ࡓICPศᯒἲ࡚ ᐃࡋࡓ㸬
2. 5. 2
ࢧࣥࣉࣝ࠾ࡼࡧᛶ≧
Table 2-8ࣄ⣲⁐ฟヨ㦂ࢆ⾜ࡗࡓⅣ✀ࡢࣜࢫࢺࢆ♧ࡍ㸬ࡇࢀࡽࡣ㸪1ྕᶵ6Ⅳ✀㸪2
ྕᶵ6Ⅳ✀ࡢྜィ12Ⅳ✀࡛࠶ࡿ㸬
Table 2-8 ࣄ⣲⁐ฟ⋡ண ࡢ᳨ウ⏝ࡋࡓࢧࣥࣉࣝ
ࣄ⣲⁐ฟ⋡%㸦LAsi㸧ࡣ㸪EP➨i༊㸦i = 1, 2, 3㸧ࡑࢀࡒࢀࡘ࠸࡚㸪(2-9)ᘧ࡛ィ⟬ࡋ ࡓ㸬ࡇࡇ࡛AsFAiࡣ㸪EP➨i༊ࣇࣛࢵࢩࣗ୰ࣄ⣲⃰ᗘ 㸦mg/kg-ash, db㸧㸪WAshࡣ⁐ฟ ヨ㦂౪ࡋࡓࣇࣛࢵࢩࣗࡢ㔜㔞 [kg]㸪CAsiࡣࡑࡢ⁐ฟᾮ୰ࡢࣄ⣲⃰ᗘ (mg/L) 㸪VL ࡣ⁐ฟヨ㦂ᾮࡢయ✚ [L]࡛࠶ࡿ㸬ᖹᆒࣄ⣲⁐ฟ⋡ࡣ㸪(2-10)ᘧ࡛ィ⟬ࡋࡓ㸬
u100 u
u
Ash FAi
L Asi
Asi As W
V
L C (2-9)
05 . 0 10
. 0 85
.
0 2 3
1u As u As u
As
AsAV L L L
L (2-10)
ࡇࡇ࡛ࡣ㸪pH9-10࡛ࡢࣄ⣲⁐ฟ⋡ࢆண ࡍࡿࣔࢹࣝᘧࢆ㛤Ⓨࡍࡿ㸬ࡲࡎ㸪ゎᯒ
⏝ࡋࡓࢹ࣮ࢱࢆTable 2-9♧ࡍ㸬ண ᑐ㇟ࡍࡿࣄ⣲⁐ฟ⋡ࡣ㸪1༊ࡽ3༊ࡲ࡛ࡢᖹ ᆒ್ࡋࡓ㸬ᖹᆒ್ࡣ㸪⅊ࡢ㞟ሻ㔜㔞ྜࢆ⪃៖ࡋ࡚㸪๓㡯(2-10)ᘧ࡛ồࡵࡓ㸬
グྕ ࣘࢽࢵࢺ 㖭
E f 70 % + g 30 %
F h 100%
H i 60 % + j 40 %
G h 100%
I i 60 % + j 40 % K l 65 % + m 35 % L m 70 % + n 30 % M n 55 % + o 45 %
O r 50 % + s 50%
P t 70 % + u 15 % + v 15%
R w 50 % + u 50 % Q 2U u 50 % + w 30 % + v 20 %
1U
1U 2U
- 36 -
Table 2-9 ࣄ⣲⁐ฟ⋡ண ᘧࡢᑟฟ⏝ࡋࡓࢹ࣮ࢱ
2. 5. 3
ࣄ⣲⁐ฟ⋡ண ᘧ
ࡇࡇ࡛ࡣ㸪๓㡯࡛☜❧ࡋࡓࣇࣛࢵࢩࣗ୰ࣄ⣲⃰ᗘண ᘧࡽ⟬ฟࡋࡓ್㸦ࣇࣛ
ࢵࢩࣗ୰ࣄ⣲⃰ᗘࢆ2-7ࡲࡓࡣ2-8ᘧ࡛ண ࡋ࡚㸪⁐ฟ⋡2-9㸪2-10ᘧ࡛⟬ฟࡍࡿ㸧
ࢆࡶࣄ⣲⁐ฟ⋡ࢆィ⟬ࡋ㸦ࣄ⣲⁐ฟ⋡⿵ṇ್ࡪࡇࡍࡿ㸧㸪ࡑࢀ┦㛵ࡍࡿ
ᅉᏊࢆ᥈⣴ࡍࡿࡇ࡛㧗⢭ᗘࡢࣄ⣲⁐ฟ⋡ண ᘧࢆᵓ⠏ࡍࡿ㸬
ࡲࡎ㸪ࡇࡢࣄ⣲⁐ฟ⋡⿵ṇ್⏕್㸦ࣇࣛࢵࢩࣗ୰ࣄ⣲⃰ᗘ ᐃ್ࢆࡶ⁐ฟ
⋡ࢆ⟬ฟࡋࡓ್㸧ࡀࡢ⛬ᗘ␗࡞ࡗ࡚࠸ࡿࢆぢࡿ㸬Fig. 2-14࡛1㸪2ྕᶵࡑࢀࡒࢀ࡛
♧ࡋࡓ㸬ࢇࡢⅣ✀࡛୧⪅ࡣఝࡓ್࡛࠶ࡿࡀ㸪1ྕᶵ࡛ࡣFⅣࡀ㸪2ྕᶵ࡛ࡣGⅣ ࡀẚ㍑ⓗࡁ࡞⿵ṇࡀ⾜ࢃࢀ࡚࠸ࡿࡇࡀࢃࡿࡀ㸪ࡇࢀࡣ࠶ࡃࡲ࡛ᩘ್ୖࡢ⿵ṇ࡛࠶
ࡾ㸪㧗⢭ᗘࡢࣄ⣲⁐ฟ⋡ண ᘧࢆᑟฟࡍࡿࡲ࡛ࡢ௬ࡢ್࠸࠺⨨࡙ࡅ࡞ࡿ㸬
Fig. 2-14 ࣄ⣲⁐ฟ⋡ࡢ⏕್⿵ṇ್ࡢẚ㍑㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
䝴䝙䝑䝖 グྕ ཎⅣ⅊
ศ㻌㻑㻘㼐㼎 ཎⅣ୰
㻯㼍㻘㻌㻑㻌㼕㼚 㼍㼟㼔
ཎⅣ୰
㻲㼑㻘㻌㻑㻌㼕㼚 㼍㼟㼔
ཎⅣ୰
㻿㻘㻌㻑
ཎⅣ୰
㻭㼟 ᐃ
್
ཎⅣ୰
㻭㼟⿵ṇ
್㻌㼜㼜㼙㻘 㼐㼎
⅊ᇶ‽
㻭㼟⿵ṇ
್
ᖹᆒ㻲㻭 㻭㼟ᐇ 㼜㼜㼙㻘㻌㼐㼎
ᖹᆒ㻲㻭 㻭㼟ண 㼜㼜㼙㻘㻌㼐㼎
ᅛᐃ㼜㻴ᖹ ᆒ⁐ฟ⃰
ᗘ
ᅛᐃ㼜㻴ᖹ ᆒ⁐ฟ⋡
㻱 㻝㻠㻚㻟 㻟㻚㻠㻤 㻤㻚㻟 㻜㻚㻠㻥 㻝㻚㻤㻣 㻞㻚㻝㻠 㻝㻡㻚㻜 㻝㻠㻚㻣 㻝㻢㻚㻣 㻞㻜㻥 㻝㻠㻚㻞
㻲 㻝㻟㻚㻟 㻜㻚㻤㻟 㻟㻚㻠 㻜㻚㻡㻥 㻜㻚㻢㻜 㻜㻚㻤㻠 㻢㻚㻠 㻠㻚㻤 㻣㻚㻜 㻝㻠㻝 㻞㻥㻚㻝
㻴 㻝㻜㻚㻠 㻠㻚㻡㻞 㻝㻠㻚㻠 㻜㻚㻤㻥 㻟㻚㻟㻥 㻟㻚㻢㻥 㻟㻡㻚㻢 㻟㻡㻚㻞 㻟㻡㻚㻡 㻝㻝㻝 㻟㻚㻝
㻻 㻥㻚㻣 㻟㻚㻣㻝 㻠㻚㻠 㻜㻚㻢㻥 㻝㻚㻝㻥 㻝㻚㻠㻡 㻝㻡㻚㻜 㻝㻢㻚㻞 㻝㻠㻚㻢 㻝㻜㻤 㻢㻚㻣
㻼 㻝㻟㻚㻜 㻝㻚㻟㻤 㻞㻚㻜 㻜㻚㻡㻡 㻜㻚㻡㻠 㻜㻚㻣㻤 㻢㻚㻜 㻢㻚㻝 㻢㻚㻢 㻝㻝㻤 㻝㻥㻚㻟
㻾 㻥㻚㻡 㻞㻚㻞㻠 㻠㻚㻥 㻜㻚㻢㻝 㻜㻚㻢㻠 㻜㻚㻤㻤 㻥㻚㻞 㻝㻜㻚㻡 㻥㻚㻜 㻝㻜㻢 㻝㻜㻚㻝
㻳 㻝㻟㻚㻟 㻜㻚㻤㻟 㻟㻚㻠 㻜㻚㻡㻥 㻜㻚㻢㻜 㻜㻚㻤㻠 㻢㻚㻠 㻡㻚㻝 㻢㻚㻢 㻠㻞 㻤㻚㻟
㻵 㻝㻜㻚㻠 㻠㻚㻡㻞 㻝㻠㻚㻠 㻜㻚㻤㻥 㻟㻚㻟㻥 㻟㻚㻢㻥 㻟㻡㻚㻢 㻠㻢㻚㻝 㻟㻢㻚㻠 㻝㻝㻣 㻞㻚㻡
㻷 㻝㻟㻚㻥 㻝㻞㻚㻤㻡 㻝㻠㻚㻟 㻜㻚㻟㻣 㻝㻚㻝㻜 㻝㻚㻟㻡 㻥㻚㻤 㻝㻜㻚㻣 㻝㻜㻚㻢 㻟㻠 㻟㻚㻝
㻸 㻝㻜㻚㻟 㻝㻣㻚㻞㻥 㻝㻠㻚㻥 㻜㻚㻟㻥 㻜㻚㻢㻞 㻜㻚㻤㻣 㻤㻚㻠 㻝㻜㻚㻢 㻤㻚㻝 㻞㻢 㻞㻚㻠
㻹 㻥㻚㻣 㻞㻚㻡㻞 㻝㻟㻚㻥 㻜㻚㻡㻤 㻝㻚㻞㻣 㻝㻚㻡㻟 㻝㻡㻚㻤 㻝㻞㻚㻡 㻝㻡㻚㻠 㻣㻜 㻡㻚㻢
㻽 㻝㻜㻚㻝 㻝㻚㻢㻡 㻠㻚㻜 㻜㻚㻡㻥 㻜㻚㻣㻤 㻝㻚㻜㻞 㻝㻜㻚㻝 㻥㻚㻤 㻥㻚㻤 㻢㻜 㻢㻚㻞
㻝㼁
㻞㼁
- 37 -
ࡇࡇ࡛㸪㧗⢭ᗘࡢࡓࡵ㸪ண ⏝࠸ࡿᅉᏊࢆࣇࣛࢵࢩࣗࡢᛶ≧ࢹ࣮ࢱ㸦ᐇ
್㸧ࡽ࡛ࡣ࡞ࡃ㸪ཎⅣࡢᛶ≧ࢹ࣮ࢱ㸦ᐇ ್㸧ࡋ㸪వィ࡞ㄗᕪࢆྵࡲ࡞࠸ࡿᘧࢆᵓ
⠏ࡍࡿࡇࡍࡿ㸬
࡞ཎⅣᛶ≧㸦ཎⅣ୰ࡢCaO, As, S, Fe, ⅊ศ㸧⁐ฟ⋡ࡢ┦㛵ࢆ㸪Fig. 2-15ࡽFig.
2-19♧ࡍ㸬ࡲࡓࣇࣛࢵࢩࣗࣄ⣲⃰ᗘண ್㸦2-7, 2-8ᘧ㸧⁐ฟ⋡ࡢ㛵ಀࢆFig. 2-20
♧ࡍ㸬ࡇࢀࡽࢆᴫほࡍࡿ㸪S⅊ศ௨እࡣ⁐ฟ⋡ࡑࡇࡑࡇࡢ┦㛵࠶ࡾ㸪≉
CaOࡣⰋዲ࡞┦㛵ࢆࡶࡘࡼ࠺ぢ࠼ࡿ㸬ḟ㸪ࡇࢀࡽࢆኚᩘࡍࡿࡇ࡛ண ᘧࡢᵓ⠏
ࢆ⾜࠺㸬
Fig. 2-15 ཎⅣ୰CaOࣄ⣲⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
Fig. 2-16 ཎⅣ୰As⿵ṇ್ࣄ⣲⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
- 38 -
Fig. 2-17 ཎⅣ୰Sࣄ⣲⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
Fig. 2-18 ཎⅣ୰Fe2O3ࣄ⣲⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
Fig. 2-19 ⅊ศࣄ⣲⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
- 39 -
Fig. 2-20 ࣇࣛࢵࢩࣗ୰ࣄ⣲⃰ᗘண ್⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
Fig. 2-15ࡽཎⅣ୰CaO %ࡣ⁐ฟ⋡Ⰻ࠸┦㛵ࢆᣢࡘࡇࡀࢃࡗࡓ㸬ࡇࢀࡣ㸪ࣇࣛ
ࢵࢩࣗ୰ࡢCaO %ࡣཎⅣ୰CaO %㛵ಀࡍࡿࡇ㸪CaOࡀከ࠸ࣄ⣲ࡣࣝ࢝
ࣜ⁐ᛶ≀㉁Ca3(AsO4)2ࡀ⏕ᡂࡍࡿࡇࡀせᅉ࡞ࡾ㸪⁐ฟ⋡ࡀపୗࡍࡿࡶࡢ⪃࠼ࡽ
ࢀࡿ6)㸬୍᪉㸪Caࢆ㔞ⓗ࡞ࡶࡢࡉࡋ࡛ぢࡿ㸪CaO %ࡢࡳ࡛ࡣ༑ศ࡛㸪༢⅊ศ㔞࠶
ࡓࡾࡢCaO㸪ࡍ࡞ࢃࡕ⅊ᇶ‽CaO %ࢆᅉᏊࡋࡓ᪉ࡀ⁐ฟ⋡ࡼࡾⰋ࠸┦㛵ࢆᣢࡘࡇ
ࡀ⪃࠼ࡽࢀࡿ㸬ࡑࡇ࡛㸪Fig. 2-21㸪ཎⅣ୰CaO/Ash100ࢆᅉᏊࡋ࡚⁐ฟ⋡ࡢ
┦㛵ࢆ♧ࡍ㸬ᮇᚅࡉࢀࡓ࠾ࡾ㸪CaO %༢⊂ࡢ┦㛵ࡼࡾࡶⰋ࠸┦㛵ࡀ1㸪2ྕᶵࡶ
ᚓࡽࢀ㸪ࡇࡢᅉᏊࡣ⁐ฟ⋡ண ࡢᅉᏊ࡞ࡾᚓࡿุ᩿࡛ࡁࡿ㸬
Fig. 2-21 ⅊ᇶ‽CaO %⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
ྠᵝࡢ⪃࠼᪉࡛㸪Fig. 2-22ࡣ⅊ᇶ‽As⃰ᗘ⿵ṇ್㸦Asm/Ash100㸧⁐ฟ⋡ࡢ㛵 ಀࢆ♧ࡍ㸬⅊ᇶ‽CaO %࡛ࡣ࡞࠸ࡀ㸪ࡑࡇࡑࡇࡢ┦㛵ࢆᣢࡘ㸬Fig. 2-20࡛♧ࡋࡓࡼ
࠺㸪ࣇࣛࢵࢩࣗ୰Asண ್㸦2-7, 2-8ᘧ㸧ࢆᅉᏊࡋ࡚ࡶⰋ࠸ࡀ㸪࡛ࡁࡿࡔࡅవ ィ࡞ㄗᕪࢆྵࡵ࡞࠸࠸࠺ࢥࣥࢭࣉࢺࡽ㸪⁐ฟ⋡ண ࡢࡶ࠺1ࡘࡢᅉᏊࡋ࡚㸪ཎⅣ
୰As⃰ᗘࡢࢹ࣮ࢱࢆ⏝࠸࡚⿵ṇࡋࡓ⅊ᇶ‽As⿵ṇ್ࢆ⏝࠸ࡿࡇࡋࡓ㸬
- 40 -
Fig. 2-22 ⅊ᇶ‽As⿵ṇ್⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
௨ୖࡢ㸰ࡘࡢᅉᏊ㸪⅊ᇶ‽CaO %⅊ᇶ‽As⃰ᗘ⿵ṇ್ࢆᅉᏊࡋ࡚㸪ḟ⁐ฟ⋡
ࡢ┦㛵ᘧࢆᑟฟࡋ㸪┦㛵ಀᩘࢆᚓࡓ㸬࡞࠾㸪ண ᘧࡢせ࡞ࡿINDEXࡣ㸪✀ࠎ᳨ウ ࡋࡓ⤖ᯝ㸪ḟࡢᘧࡋࡓ㸬
INDEX = (CaO)/(Ash)a×(Asm/Ash×100)b (2-11)
┦㛵ಀᩘࡀ᭱ࡶⰋࡃ࡞ࡿINDEXࡢᐃᩘࡣ㸪1㸪2ྕᶵࡶ a = 1.50, b = 0.30࡞ࡗ ࡓ㸬┦㛵㛵ಀ࠾ࡼࡧ┦㛵ᘧࢆFig. 2-23♧ࡍ㸬
1ྕᶵࡣINDEXࡀ0.4௨ୗ࡛ᛴ⃭⁐ฟ⋡ࡀቑຍࡍࡿࡢᑐࡋ㸪2ྕᶵࡣࡺࡿࡸ࡞
ቑຍࡲࡗ࡚࠾ࡾ㸪ࣘࢽࢵࢺࡼࡾࡁ࡞ᕪ␗ࡀࡳࡽࢀࡿ㸬ࡑࡢࡓࡵ㸪1ྕᶵࡣᣦ
ᩘ㛵ᩘ࡛ࡢ┦㛵㸪2ྕᶵࡣ⣼㛵ᩘ࡛ࡢ┦㛵ᘧ࡞ࡗࡓ㸬ࡑࢀࡒࢀࡢ┦㛵ಀᩘࡣ㸪0.981, 0.880࡛࠶ࡗࡓ㸬ண ᘧࡢ㧗⢭ᗘࡋ࡚ホ౯ࡍࡿ㸪1ྕᶵࡣホ౯࡛ࡁࡿ࡛ࣞ࣋ࣝ࠶
ࡿࡀ㸪2ྕᶵࡣࡶ࠺ᑡࡋ┦㛵ಀᩘࢆྥୖࡉࡏࡓ࠸ࡇࢁ࡛࠶ࡿ㸬
Fig. 2-23 INDEXࣄ⣲⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
- 41 -
ࡑࡇ࡛㸪࡛ࡳࡽࢀࡓࡼ࠺㸪≉2ྕᶵ࡛Ⰻ࠸┦㛵ࢆࡶࡘFe2O3 %ࢆINDEXຍ࠼
ࡿࡇࡋࡓ㸬ࡍ࡞ࢃࡕ㸪
INDEX = (CaO)/(Ash)a×(Asm/Ash×100)b(Fe2O3)c (2-12)
࡛࠶ࡿ㸬᭱ᑠἲࡼࡾ㸪ᐃᩘࢆồࡵࡿ㸪 1ྕᶵ㸸a = 1.50, b=0.30, c = 0.0
2ྕᶵ㸸a = 1.50, b=0.30, c = 1.0
ࡀᚓࡽࢀ㸪ࡑࡢ┦㛵⥺ࡣୗᅗࡢࡼ࠺࡞ࡗࡓ㸬
Fig. 2-24 INDEXࣄ⣲⁐ฟ⋡ࡢ㛵ಀ㸦ᕥ㸸1ྕᶵ㸪ྑ㸸2ྕᶵ㸧
ࡇࢀࡼࡾ2ྕᶵࡢ┦㛵ಀᩘࡣ0.916ࡲ࡛ྥୖࡋ㸪㧗⢭ᗘࡢࣞ࣋ࣝ㐩ࡋࡓ㸬 ௨ୖࢆࡲࡵࡿ㸪᪂ࡓసᡂࡋࡓ㧗⢭ᗘࡢ⁐ฟ⋡ண ᘧࡣ㸪
࣭1ྕᶵࡘ࠸࡚
LAsAV(%) = 24.329 × exp(-4.907×INDEX) (2-13)
࣭2ྕᶵࡘ࠸࡚
LAsAV(%) = 4.761 × (INDEX)-0.169 (2-14) ࡇࡢண ᘧࢆ⏝࠸࡚⁐ฟ⋡ண ್ࢆ⟬ฟࡋ㸪ᐇ ್ẚ㍑ࡋࡓ⤖ᯝࡀFig. 2-25㸦1ྕ ᶵ㸧Fig. 2-26㸦2ྕᶵ㸧࡛࠶ࡿ㸬1ྕᶵࡢண ⢭ᗘࡣs15%㸪2ྕᶵࡣs10%࡞ࡾ㸪 㧗⢭ᗘࡀ㐩ᡂࡉࢀࡓ㸬
- 42 -
Fig. 2-25 1ྕᶵࡢࣄ⣲⁐ฟ⋡ண ᘧࡢண ⢭ᗘ
Fig. 2-26 2ྕᶵࡢࣄ⣲⁐ฟ⋡ண ᘧࡢண ⢭ᗘ
- 43 -
2. 5. 4
ࣄ⣲⁐ฟ⃰ᗘண ᘧ
Fig. 2-27࠾ࡼࡧFig. 2-28ࡣ㸪ࣄ⣲⁐ฟ⋡ண ್ࣇࣛࢵࢩࣗ୰ࣄ⣲⃰ᗘண ್ 㸦AsAV㸧ࡽ⁐ฟ⃰ᗘࢆ⟬ฟࡋ㸪⁐ฟ⃰ᗘ⏕ࢹ࣮ࢱ㸦⿵ṇࡋ࡞࠸್㸧ẚ㍑ࡋࡓᅗ࡛࠶
ࡿ㸬ࡇࡢᅗࡀ➨2❶࡛ࡢ᭱⤊⤖ᯝゝ࠼ࡿ㸬1㸪2ྕᶵࡢࣄ⣲⁐ฟ⃰ᗘண ࡢ⢭ᗘࡣ㸪 ࡑࢀࡒࢀs15 %, s10 %࡞ࡾ㸪㧗⢭ᗘࡉࢀࡓ⤖ᯝ࡞ࡗࡓ㸬Table 2-10ࡣ㸪Ⅳ✀
ูࡢ⁐ฟ⃰ᗘࢹ࣮ࢱ㸪⁐ฟ⋡ࢹ࣮ࢱ㸪ண ⁐ฟ⋡㸪ண ⁐ฟ⃰ᗘ㸪ண ⢭ᗘࢆࡲࡵࡓ㸬 Table 2-10 ྛⅣ✀ࡢ⁐ฟࢹ࣮ࢱண ࢹ࣮ࢱ㸪⢭ᗘࡢࡲࡵ
Fig. 2-27 1ྕᶵࡢࣄ⣲⁐ฟ⃰ᗘࡢண ⢭ᗘ 䝴䝙䝑䝖 グྕ
ᅛᐃ㼜㻴ᖹ ᆒ⁐ฟ⃰
ᗘ
ᅛᐃ㼜㻴ᖹ ᆒ⁐ฟ⋡
ᅛᐃ㼜㻴ᖹ ᆒ⁐ฟ⋡
䠄⿵ṇ䠅
ᅛᐃ㼜㻴ᖹ ᆒ⁐ฟ⋡
ண ್
ᅛᐃ㼜㻴ᖹ ᆒ⁐ฟ⃰
ᗘண ್
ண ⢭ᗘ 䠄⁐ฟ⃰
ᗘ㻘㻌㻑䠅
㻱 㻞㻜㻥 㻝㻠㻚㻞 㻝㻞㻚㻡 㻝㻝㻚㻥 㻞㻜㻜 㻠
㻲 㻝㻠㻝 㻞㻥㻚㻝 㻞㻜㻚㻞 㻞㻜㻚㻥 㻝㻠㻢 㻙㻠
㻴 㻝㻝㻝 㻟㻚㻝 㻟㻚㻝 㻟㻚㻡 㻝㻞㻡 㻙㻝㻟
㻻 㻝㻜㻤 㻢㻚㻣 㻣㻚㻠 㻢㻚㻟 㻥㻞 㻝㻡
㻼 㻝㻝㻤 㻝㻥㻚㻟 㻝㻤㻚㻝 㻝㻤㻚㻥 㻝㻞㻠 㻙㻡
㻾 㻝㻜㻢 㻝㻜㻚㻝 㻝㻝㻚㻤 㻝㻝㻚㻤 㻝㻜㻣 㻙㻝
㻳 㻠㻞 㻤㻚㻟 㻢㻚㻠 㻢㻚㻥㻥 㻠㻢 㻙㻥
㻵 㻝㻝㻣 㻞㻚㻡 㻟㻚㻞 㻟㻚㻡㻡 㻝㻞㻥 㻙㻝㻜
㻷 㻟㻠 㻟㻚㻝 㻟㻚㻞 㻟㻚㻠㻝 㻟㻢 㻙㻤
㻸 㻞㻢 㻞㻚㻠 㻟㻚㻞 㻟㻚㻜㻟 㻞㻡 㻠
㻹 㻣㻜 㻡㻚㻢 㻠㻚㻡 㻠㻚㻜㻠 㻢㻞 㻝㻝
㻽 㻢㻜 㻢㻚㻞 㻢㻚㻝 㻡㻚㻡㻠 㻡㻠 㻝㻜
㻝㼁
㻞㼁
- 44 -
Fig. 2-28 2ྕᶵࡢࣄ⣲⁐ฟ⃰ᗘࡢண ⢭ᗘ