KR100406367B1 - NI함유에칭폐액재활용공정에서발생하는FeNi함유슬러지의재활용방법 - Google Patents
NI함유에칭폐액재활용공정에서발생하는FeNi함유슬러지의재활용방법 Download PDFInfo
- Publication number
- KR100406367B1 KR100406367B1 KR10-1998-0056697A KR19980056697A KR100406367B1 KR 100406367 B1 KR100406367 B1 KR 100406367B1 KR 19980056697 A KR19980056697 A KR 19980056697A KR 100406367 B1 KR100406367 B1 KR 100406367B1
- Authority
- KR
- South Korea
- Prior art keywords
- sludge
- nickel
- hydroxide
- iron
- iron hydroxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 229910002555 FeNi Inorganic materials 0.000 title claims abstract description 21
- 238000005530 etching Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 54
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 49
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims abstract description 35
- 235000014413 iron hydroxide Nutrition 0.000 claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 26
- 239000000243 solution Substances 0.000 claims abstract description 23
- 229910002588 FeOOH Inorganic materials 0.000 claims abstract description 22
- 239000003513 alkali Substances 0.000 claims abstract description 20
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims abstract description 12
- 239000000706 filtrate Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 12
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims abstract description 12
- 229910000480 nickel oxide Inorganic materials 0.000 claims abstract description 9
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002244 precipitate Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 6
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims abstract description 5
- 230000003647 oxidation Effects 0.000 claims abstract description 5
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 4
- 239000012298 atmosphere Substances 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000010348 incorporation Methods 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000012776 electronic material Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000001054 red pigment Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000001056 green pigment Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229910001374 Invar Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Compounds Of Iron (AREA)
Abstract
Description
pH | 알칼리 첨가량 | 생성 산물 | 비고 | |
비교예 1 | 2.5 | Fe몰수의 1배 | FeOOH | Fe 존재 |
비교예 2 | 3.5 | Fe몰수의 1배 | FeOOH | Fe 존재 |
비교예 3 | 4.5 | Fe몰수의 1배 | FeOOH | Fe 존재 |
비교예 4 | 5.5 | Fe몰수의 1배 | FeOOH | Fe 존재 |
비교예 5 | 2.5 | Fe몰수의 2배 | FeOOH | 장시간 소요 |
발명예 1 | 3.5 | Fe몰수의 2배 | FeOOH | - |
발명예 2 | 4.5 | Fe몰수의 2배 | FeOOH | - |
비교예 6 | 5.5 | Fe몰수의 2배 | FeOOH + Ni(OH)2 | Ni(OH)2혼입 |
비교예 7 | 2.5 | Fe몰수의 3배 | FeOOH + Ni(OH)2 | Ni(OH)2혼입 |
비교예 8 | 3.5 | Fe몰수의 3배 | FeOOH + Ni(OH)2 | 장시간 소요 |
비교예 9 | 4.5 | Fe몰수의 3배 | FeOOH + Ni(OH)2 | Ni(OH)2혼입 |
비교예 10 | 5.5 | Fe몰수의 3배 | FeOOH + Ni(OH)2 | Ni(OH)2혼입 |
비교예 11 | 2.5 | Fe몰수의 4배 | FeOOH + Ni(OH)2 | 장시간 소요 |
비교예 12 | 3.5 | Fe몰수의 4배 | FeOOH + Ni(OH)2 | Ni(OH)2혼입 |
비교예 13 | 4.5 | Fe몰수의 4배 | FeOOH + Ni(OH)2 | Ni(OH)2혼입 |
비교예 14 | 5.5 | Fe몰수의 4배 | FeOOH + Ni(OH)2 | Ni(OH)2혼입 |
발명예 3* | 3.5 | Fe몰수의 2배 | Fe 2 O 3 | 적색 안료 |
Fe(중량%) | Ni(중량%) | Al(중량%) | Cu(중량%) | Pb(중량%) | |
FeNi 폐기물 | 30.47 | 39.50 | 0.2100 | 0.2100 | 0.0140 |
NiO | 0.0980 | 78.55 | 0.0034 | 0.0680 | 0.0056 |
Claims (3)
- (a)Ni 함유 에칭폐액 재활용 공정에서 발생하는 FeNi 함유 슬러지를 염산에 pH 3∼4가 될 때까지 용해시켜 잔류산을 제거하고 계속해서 잔류 슬러지를 여과하여 철염화물과 니켈염화물이 함유된 수용액을 얻는 단계;(b)상기 염화물 함유 수용액에 공기를 취입하여 산화시킴으로써 FeCl2를 FeCl3로 산화시킨 다음, 생성된 FeCl3를 pH 3∼5에서 물과 반응시켜 주황색의 수산화철(FeOOH)핵을 형성하는 단계;(c)산화분위기하에서 용액중의 Fe 몰수의 최대 2배의 몰수로 그리고 산화시의 pH를 pH=3∼5로 유지되도록 KOH 및 NaOH로 구성된 그룹으로부터 선택된 알칼리를 첨가하면서 온도를 40∼70℃로 조절하여 수산화철 슬러지를 형성하는 단계;(d)그후 여과하여 수산화철 슬러지와 니켈 염화물 함유 여액을 분리하고 수산화철 슬러지를 수세하여 수산화철을 수득하는 단계; 및(e)상기 여과시 분리된 니켈 염화물 함유 여액에 pH 10이상이 되도록 알칼리를 첨가하여 수산화니켈의 침전물을 형성하며, 여과 및 수세하여 수산화니켈을 수득하는 단계;로 이루어지는 Ni 함유 에칭폐액 재활용 공정에서 발생하는 FeNi 함유 폐기 슬러지 재활용 방법
- 제1항에 있어서, 상기 (c)단계에서 제조된 황색 FeOOH를 600∼1000℃의 온도범위내에서 열처리함으로써 산화철(Fe2O3)을 제조함을 특징으로 하는 슬러지 재활용 방법
- 제1항에 있어서, 상기 (e)단계에서 제조된 고순도 수산화니켈을 800∼1200℃의 온도범위내에서 열처리함으로써 고순도의 산화니켈(NiO)를 제조함을 특징으로 하는 슬러지 재활용 방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0056697A KR100406367B1 (ko) | 1998-12-21 | 1998-12-21 | NI함유에칭폐액재활용공정에서발생하는FeNi함유슬러지의재활용방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0056697A KR100406367B1 (ko) | 1998-12-21 | 1998-12-21 | NI함유에칭폐액재활용공정에서발생하는FeNi함유슬러지의재활용방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000040943A KR20000040943A (ko) | 2000-07-15 |
KR100406367B1 true KR100406367B1 (ko) | 2003-12-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0056697A Expired - Fee Related KR100406367B1 (ko) | 1998-12-21 | 1998-12-21 | NI함유에칭폐액재활용공정에서발생하는FeNi함유슬러지의재활용방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100406367B1 (ko) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100811872B1 (ko) | 2006-12-20 | 2008-03-10 | 재단법인 포항산업과학연구원 | 철니켈(FeNi) 함유 슬러지를 이용한 스텐레스 용해원료 제조방법 |
KR100874740B1 (ko) | 2007-05-15 | 2008-12-19 | 재단법인 포항산업과학연구원 | 철 니켈 함유 폐액으로부터 철 니켈 함유원료의 제조방법및 이 철 니켈 함유원료를 이용한 스텐레스 용해 원료의제조방법 |
KR100988462B1 (ko) | 2007-09-21 | 2010-10-20 | 재단법인 포항산업과학연구원 | 석유화학 탈황 촉매 재활용 잔사로부터의 철 니켈 함유 원료 및 코발트 함유 원료의 제조방법 및 철 니켈 함유 원료를 이용한 스텐레스 원료의 제조방법 및 페로니켈의 제조방법 |
WO2012081897A3 (ko) * | 2010-12-15 | 2012-10-04 | 재단법인 포항산업과학연구원 | 니켈 함유 원료로부터 페로니켈을 농축 회수하는 방법, 상기 농축된 페로니켈로부터 니켈을 회수하는 방법 및 상기 방법에서 발생하는 철 함유 용액을 재활용하는 방법 |
KR101590773B1 (ko) | 2014-06-20 | 2016-02-02 | 사단법인 분자설계연구소 | 규사 슬러지를 사용한 친환경소재 생산 방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100912522B1 (ko) * | 2007-11-08 | 2009-08-18 | 재단법인 포항산업과학연구원 | 페로니켈 괴상체 및 그 제조방법 |
JP5133403B2 (ja) | 2007-05-15 | 2013-01-30 | リサーチ インスティチュート オブ インダストリアル サイエンス アンド テクノロジー | Fe、Ni含有原料の製造方法、及び該Fe、Ni含有原料を用いたフェロニッケル塊状体及びその製造方法 |
-
1998
- 1998-12-21 KR KR10-1998-0056697A patent/KR100406367B1/ko not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100811872B1 (ko) | 2006-12-20 | 2008-03-10 | 재단법인 포항산업과학연구원 | 철니켈(FeNi) 함유 슬러지를 이용한 스텐레스 용해원료 제조방법 |
KR100874740B1 (ko) | 2007-05-15 | 2008-12-19 | 재단법인 포항산업과학연구원 | 철 니켈 함유 폐액으로부터 철 니켈 함유원료의 제조방법및 이 철 니켈 함유원료를 이용한 스텐레스 용해 원료의제조방법 |
KR100988462B1 (ko) | 2007-09-21 | 2010-10-20 | 재단법인 포항산업과학연구원 | 석유화학 탈황 촉매 재활용 잔사로부터의 철 니켈 함유 원료 및 코발트 함유 원료의 제조방법 및 철 니켈 함유 원료를 이용한 스텐레스 원료의 제조방법 및 페로니켈의 제조방법 |
WO2012081897A3 (ko) * | 2010-12-15 | 2012-10-04 | 재단법인 포항산업과학연구원 | 니켈 함유 원료로부터 페로니켈을 농축 회수하는 방법, 상기 농축된 페로니켈로부터 니켈을 회수하는 방법 및 상기 방법에서 발생하는 철 함유 용액을 재활용하는 방법 |
KR101203731B1 (ko) | 2010-12-15 | 2012-11-22 | 재단법인 포항산업과학연구원 | 니켈 함유 원료로부터 페로니켈을 농축 회수하는 방법, 상기 농축된 페로니켈로부터 니켈 농축물을 회수하는 방법 및 상기 방법에서 발생하는 철 함유 용액을 재활용하는 방법 |
CN103370428A (zh) * | 2010-12-15 | 2013-10-23 | 浦项产业科学研究院 | 从含镍原材料富集回收镍铁的方法,从富集镍铁回收镍的方法,以及对由其生产的含铁溶液进行再利用的方法 |
CN103370428B (zh) * | 2010-12-15 | 2015-06-17 | 浦项产业科学研究院 | 从含镍原材料富集回收镍铁的方法,从富集镍铁回收镍的方法,以及对由其生产的含铁溶液进行再利用的方法 |
KR101590773B1 (ko) | 2014-06-20 | 2016-02-02 | 사단법인 분자설계연구소 | 규사 슬러지를 사용한 친환경소재 생산 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20000040943A (ko) | 2000-07-15 |
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