JP4764095B2 - ガス化ガスの精製方法 - Google Patents
ガス化ガスの精製方法 Download PDFInfo
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- JP4764095B2 JP4764095B2 JP2005228533A JP2005228533A JP4764095B2 JP 4764095 B2 JP4764095 B2 JP 4764095B2 JP 2005228533 A JP2005228533 A JP 2005228533A JP 2005228533 A JP2005228533 A JP 2005228533A JP 4764095 B2 JP4764095 B2 JP 4764095B2
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- 238000002309 gasification Methods 0.000 title claims description 27
- 238000000746 purification Methods 0.000 title claims description 21
- 239000007789 gas Substances 0.000 claims description 215
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 238000000197 pyrolysis Methods 0.000 claims description 60
- 238000002485 combustion reaction Methods 0.000 claims description 34
- 239000000428 dust Substances 0.000 claims description 29
- 239000000571 coke Substances 0.000 claims description 28
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 21
- 238000011282 treatment Methods 0.000 claims description 17
- 239000002351 wastewater Substances 0.000 claims description 17
- 238000002407 reforming Methods 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 13
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
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- 230000005484 gravity Effects 0.000 claims description 8
- 230000002829 reductive effect Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000010849 combustible waste Substances 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
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- 230000001376 precipitating effect Effects 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 claims 2
- 239000003921 oil Substances 0.000 description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 34
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- 150000002013 dioxins Chemical class 0.000 description 24
- 239000000460 chlorine Substances 0.000 description 15
- 229910052801 chlorine Inorganic materials 0.000 description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 8
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- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
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- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 4
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- 239000000047 product Substances 0.000 description 4
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- -1 H 2 S Substances 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
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- 150000002896 organic halogen compounds Chemical class 0.000 description 3
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- 239000012071 phase Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000010920 waste tyre Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006057 reforming reaction Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001804 chlorine Chemical class 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000001704 evaporation Methods 0.000 description 1
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- 239000010881 fly ash Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 235000012254 magnesium hydroxide Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 150000002825 nitriles Chemical class 0.000 description 1
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Images
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- Industrial Gases (AREA)
- Processing Of Solid Wastes (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Physical Water Treatments (AREA)
Description
のいずれか又はすべてを事前処理として実施し水中のダイオキシン濃度を10pg−TEQ/L以下とした上で、製鉄所に既存の安水活性汚泥処理に合流させることを特徴とするものである。
2 熱分解炉
3 2次燃焼炉
4 熱交換機
5 排ガス減温塔
6 除塵機
7 吹込装置
8 誘引通風機
9 排ガス再加熱器
10 触媒反応層あるいは活性炭充填層
11 煙突
12 灰処理設備
13 改質炉
14 プレクーラ(第1のガス冷却器)
15 タールデカンタ(分離装置)
16 燃焼炉
17 プライマリークーラ(第2のガス冷却器)
18 ガス加熱器
19 電気集塵機
20 ブロア(ガス排送機)
21 活性炭充填層若しくは活性炭移動層
22 コークス炉
23 ドライメーン
24 コークス炉ガス精製設備
25 安水デカンタ
26 油水分離槽
27 排水槽
28 安水活性汚泥処理設備
Claims (1)
- 可燃性廃棄物を熱分解炉でガス化させ、燃料ガスを得るガス化ガスの精製方法において、
熱分解炉で生成した熱分解ガスを、改質炉で酸素及び水蒸気と反応させて1000℃以上に昇温し、ガスに含まれるタール及び軽油を改質によりガス及びチャーに変換し、
この改質ガスを第1のガス冷却器に導入し、水噴霧又は液中燃焼によりガス温度を断熱飽和温度以下の90〜70℃に冷却してガス中のチャー主体のダスト及び残存するタール、軽油を水側に捕捉物として捕捉し、ガス中のダイオキシン類濃度を0.1ng−TEQ/m 3 N(酸素濃度12%換算値)以下とした後に、製鉄所に既存のコークス炉ガスライン又は高炉ガスラインに合流させ、コークス炉ガス又は高炉ガスと混合して利用すると共に、第1のガス冷却器の排水から前記捕捉物を分離し、熱分解炉に戻して再度熱分解してガス化させる、又は、熱分解炉に熱源を供給するための燃料として利用し、
さらに、ガス精製工程で発生する排水の一部又は全てを熱分解炉若しくは熱分解炉に熱を供給する燃焼炉、又はその燃焼炉排ガスを完全燃焼させる2次燃焼炉に噴霧して乾燥・焼却処理し、焼却処理後の残余分、又は全量については、
(1)固形物、タール及び軽油の加圧浮上による分離、又は比重差による分離、
(2)排水を冷却後、水層にアルカリを加え、pH9.5以上12以下に調整して、排水に含まれる金属を凝集沈殿させることによる分離、
(3)アンモニアストリッピングによる窒素、アンモニアの除去、
のいずれか又はすべてを事前処理として実施し水中のダイオキシン濃度を10pg−TEQ/L以下とした上で、製鉄所に既存の安水活性汚泥処理に合流させることを特徴とするガス化ガスの精製方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005228533A JP4764095B2 (ja) | 2005-08-05 | 2005-08-05 | ガス化ガスの精製方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005228533A JP4764095B2 (ja) | 2005-08-05 | 2005-08-05 | ガス化ガスの精製方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007045852A JP2007045852A (ja) | 2007-02-22 |
| JP4764095B2 true JP4764095B2 (ja) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005228533A Expired - Fee Related JP4764095B2 (ja) | 2005-08-05 | 2005-08-05 | ガス化ガスの精製方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4764095B2 (ja) |
Cited By (3)
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| CN102829478A (zh) * | 2012-08-31 | 2012-12-19 | 南开大学 | 一种节能型两段式有机化工废液热处理炉 |
| CN103723853A (zh) * | 2013-12-04 | 2014-04-16 | 江苏双净净化科技有限公司 | 煤气发生站间歇式综合处理系统及其处理方法 |
| CN111056588A (zh) * | 2020-02-05 | 2020-04-24 | 新昌德劳污水处理有限公司 | 一种生活废水回收处理再利用装置 |
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| JP4814621B2 (ja) * | 2005-11-21 | 2011-11-16 | 新日鉄エンジニアリング株式会社 | 廃棄物処理方法 |
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| KR101006967B1 (ko) | 2010-06-28 | 2011-01-12 | (주)대우건설 | 가스화 공정에서 발생하는 타르수 처리방법 및 장치 |
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| JP2015196698A (ja) * | 2014-03-31 | 2015-11-09 | 日立造船株式会社 | ガス化処理システム |
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2005
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829478A (zh) * | 2012-08-31 | 2012-12-19 | 南开大学 | 一种节能型两段式有机化工废液热处理炉 |
| CN103723853A (zh) * | 2013-12-04 | 2014-04-16 | 江苏双净净化科技有限公司 | 煤气发生站间歇式综合处理系统及其处理方法 |
| CN103723853B (zh) * | 2013-12-04 | 2015-08-26 | 江苏双净净化科技有限公司 | 煤气发生站间歇式综合处理系统及其处理方法 |
| CN111056588A (zh) * | 2020-02-05 | 2020-04-24 | 新昌德劳污水处理有限公司 | 一种生活废水回收处理再利用装置 |
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