KR101343484B1 - 납 오염토양 추출용액 및 이를 이용한 정화방법 - Google Patents
납 오염토양 추출용액 및 이를 이용한 정화방법 Download PDFInfo
- Publication number
- KR101343484B1 KR101343484B1 KR1020130042749A KR20130042749A KR101343484B1 KR 101343484 B1 KR101343484 B1 KR 101343484B1 KR 1020130042749 A KR1020130042749 A KR 1020130042749A KR 20130042749 A KR20130042749 A KR 20130042749A KR 101343484 B1 KR101343484 B1 KR 101343484B1
- Authority
- KR
- South Korea
- Prior art keywords
- lead
- soil
- solution
- additive
- contaminated soil
- 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.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000000243 solution Substances 0.000 claims abstract description 42
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000000746 purification Methods 0.000 claims abstract description 19
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 9
- 239000000654 additive Substances 0.000 abstract description 54
- 230000000996 additive effect Effects 0.000 abstract description 45
- 239000011133 lead Substances 0.000 description 96
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 87
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 48
- 229910001385 heavy metal Inorganic materials 0.000 description 38
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 17
- 239000002360 explosive Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000011109 contamination Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000006104 solid solution Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- SPSSULHKWOKEEL-UHFFFAOYSA-N 2,4,6-trinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O SPSSULHKWOKEEL-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000711 cancerogenic effect Effects 0.000 description 3
- 231100000357 carcinogen Toxicity 0.000 description 3
- 239000003183 carcinogenic agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000003900 soil pollution Methods 0.000 description 3
- 239000000015 trinitrotoluene Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 150000004696 coordination complex Chemical class 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- FZIPCQLKPTZZIM-UHFFFAOYSA-N 2-oxidanylpropane-1,2,3-tricarboxylic acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O FZIPCQLKPTZZIM-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010027439 Metal poisoning Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 102000004316 Oxidoreductases Human genes 0.000 description 1
- 108090000854 Oxidoreductases Proteins 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- XCYOHCWRRZZRHL-UHFFFAOYSA-N acetic acid;ethene Chemical compound C=C.CC(O)=O.CC(O)=O XCYOHCWRRZZRHL-UHFFFAOYSA-N 0.000 description 1
- 238000003914 acid mine drainage Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 208000008127 lead poisoning Diseases 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/36—Detoxification by using acid or alkaline reagents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
도 2는 270℃에서 각 첨가제별 납 제거 효율을 보여주는 도면이며,
도 3는 300℃에서 각 첨가제별 납 제거 효율을 보여주는 도면이고,
도 4는 각 첨가제별 고액비에 따른 납 제거 효율을 보여주는 도면이며,
도 5는 본 발명의 일 실시예에 따른 납 오염토양 정화용액의 pH 및 고액비 조절에 따른 납 제거 효율을 보여주는 도면이다.
구분 | 중금속(㎎/㎏) | 화약류(㎎/㎏) | ||||
As | Cd | Cu | Pb | Zn | TNT | |
오염 우려 기준 1지역 | 25 | 4 | 150 | 200 | 300 | - |
오염 우려 기준 2지역 | 50 | 10 | 500 | 400 | 600 | - |
오염 우려 기준 3지역 | 200 | 60 | 2000 | 700 | 2000 | - |
Claims (4)
- 아임계수에 니트릴로트리아세트산(nitrilotriacetic acid, NTA)이 첨가된 혼합용액을 포함하고,
상기 아임계수는 온도 270 ~ 300℃, 압력 40 ~ 90 kgf/㎠ 상태이며,
상기 혼합용액에 pH는 7.0 ~ 8.5 인 것을 특징으로 하는 납 오염토양 추출용액.
- 삭제
- 납(Pb)으로 오염된 오염토양을 정화하는 방법으로서,
아임계수에 니트릴로트리아세트산(nitrilotriacetic acid, NTA)을 용해하여 추출용액을 준비하는 단계; 및
상기 추출용액에 상기 오염토양을 투입하여 토양을 정화하는 단계;를 포함하고,
상기 추출용액을 준비하는 단계는 상기 추출용액에 염기성 물질을 첨가하여 pH 7.0 ~ 8.5 가 되도록 조절하는 단계를 더 포함하고
상기 추출용액을 준비하는 단계에서 상기 아임계수는 온도 270 ~ 300℃, 압력 40~90kgf/㎠ 상태인 것을 특징으로 하는 납 오염토양 정화방법.
- 청구항 3에 있어서,
상기 토양을 정화하는 단계에서 상기 오염토양과 상기 추출용액의 고액비는 1:1 ~ 1:4인 것을 특징으로 하는 납 오염토양 정화방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130042749A KR101343484B1 (ko) | 2013-04-18 | 2013-04-18 | 납 오염토양 추출용액 및 이를 이용한 정화방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130042749A KR101343484B1 (ko) | 2013-04-18 | 2013-04-18 | 납 오염토양 추출용액 및 이를 이용한 정화방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101343484B1 true KR101343484B1 (ko) | 2013-12-20 |
Family
ID=49988767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020130042749A Active KR101343484B1 (ko) | 2013-04-18 | 2013-04-18 | 납 오염토양 추출용액 및 이를 이용한 정화방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101343484B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016031983A1 (ja) * | 2014-08-29 | 2016-03-03 | 創イノベーション株式会社 | 岩石及び/若しくは土壌の微細化方法、並びに重金属を含有する岩石及び/若しくは土壌からの重金属の除去又は低減方法 |
CN109504389A (zh) * | 2018-11-09 | 2019-03-22 | 天津天绿健科技有限公司 | 一种可处理重金属污染的土壤修复剂及其制备方法 |
CN116445166A (zh) * | 2023-03-13 | 2023-07-18 | 中南大学 | 铅镉复合污染物修复剂及其制备和应用 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101235570B1 (ko) * | 2012-06-07 | 2013-02-21 | 주식회사 대일이앤씨 | 화약류 및 중금속 복합 오염토 정화방법 |
-
2013
- 2013-04-18 KR KR1020130042749A patent/KR101343484B1/ko active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101235570B1 (ko) * | 2012-06-07 | 2013-02-21 | 주식회사 대일이앤씨 | 화약류 및 중금속 복합 오염토 정화방법 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016031983A1 (ja) * | 2014-08-29 | 2016-03-03 | 創イノベーション株式会社 | 岩石及び/若しくは土壌の微細化方法、並びに重金属を含有する岩石及び/若しくは土壌からの重金属の除去又は低減方法 |
CN109504389A (zh) * | 2018-11-09 | 2019-03-22 | 天津天绿健科技有限公司 | 一种可处理重金属污染的土壤修复剂及其制备方法 |
CN116445166A (zh) * | 2023-03-13 | 2023-07-18 | 中南大学 | 铅镉复合污染物修复剂及其制备和应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Okkenhaug et al. | Antimony (Sb) contaminated shooting range soil: Sb mobility and immobilization by soil amendments | |
Wuana et al. | Heavy metals in contaminated soils: a review of sources, chemistry, risks and best available strategies for remediation | |
Laghlimi et al. | Phytoremediation mechanisms of heavy metal contaminated soils: a review | |
Shukla et al. | The role of sawdust in the removal of unwanted materials from water | |
Kumar et al. | Remediation and detection techniques for heavy metals in the environment | |
Baker et al. | Phosphate amendments for chemical immobilization of uranium in contaminated soil | |
Fawzy et al. | Biosorption of heavy metals onto different eco-friendly substrates | |
Daubert et al. | Passive remediation of acid mine drainage using crab shell chitin | |
Boparai et al. | Remediating explosive-contaminated groundwater by in situ redox manipulation (ISRM) of aquifer sediments | |
CN104164238A (zh) | 一种针对重金属污染土壤的高效固化稳定修复药剂 | |
KR101235570B1 (ko) | 화약류 및 중금속 복합 오염토 정화방법 | |
CN104650921A (zh) | 一种降低土壤镉、铅有效态含量的修复剂及其使用方法与应用 | |
KR101343484B1 (ko) | 납 오염토양 추출용액 및 이를 이용한 정화방법 | |
Solomon et al. | Spatial distribution and speciation of heavy metals in sediment of river Ilaje, Nigeria | |
Bech et al. | Remediation of potentially toxic elements in contaminated soils | |
Sao et al. | A review on heavy metals uptake by plants through biosorption | |
Min | Effects of organic acids on adsorption of cadmium onto kaolinite, goethite, and bayerite | |
Yin et al. | EDTA-enhanced thermal washing of contaminated dredged marine sediments for heavy metal removal | |
Tang et al. | Mine drainage residual additions to lake sediments alter phosphorus and trace metal distributions | |
Mao et al. | The distribution and elevated solubility of lead, arsenic and cesium in contaminated paddy soil enhanced with the electrokinetic field | |
Chopra et al. | Biosorption technology for removal of metallic pollutants-An overview | |
Karwowska | Changes of metal forms in sewage sludge after EDTA washing | |
Rahman | Remediation technology for the restoration of polluted soil | |
RoyChowdhury et al. | Preliminary studies on potential remediation of acid mine drainage‐impacted soils by amendment with drinking‐water treatment residuals | |
RU2497759C2 (ru) | Способ очистки промышленных сточных вод от тяжелых металлов |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20130418 |
|
PA0201 | Request for examination | ||
A302 | Request for accelerated examination | ||
PA0302 | Request for accelerated examination |
Patent event date: 20130429 Patent event code: PA03022R01D Comment text: Request for Accelerated Examination Patent event date: 20130418 Patent event code: PA03021R01I Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20130701 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20131106 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20131213 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20131216 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20161018 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20161018 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 20171016 Year of fee payment: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20171016 Start annual number: 5 End annual number: 5 |
|
FPAY | Annual fee payment |
Payment date: 20181210 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20181210 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 20191105 Year of fee payment: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20191105 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20201209 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20211130 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20230112 Start annual number: 10 End annual number: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20231018 Start annual number: 11 End annual number: 11 |