HRP20151292T1 - Sustav za injektiranje mikroniziranog cac03 mulja za remineralizaciju desalinizirane i svježe vode - Google Patents
Sustav za injektiranje mikroniziranog cac03 mulja za remineralizaciju desalinizirane i svježe vode Download PDFInfo
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- HRP20151292T1 HRP20151292T1 HRP20151292TT HRP20151292T HRP20151292T1 HR P20151292 T1 HRP20151292 T1 HR P20151292T1 HR P20151292T T HRP20151292T T HR P20151292TT HR P20151292 T HRP20151292 T HR P20151292T HR P20151292 T1 HRP20151292 T1 HR P20151292T1
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- Prior art keywords
- water
- calcium carbonate
- sludge
- process according
- less
- Prior art date
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- 238000002347 injection Methods 0.000 title claims 2
- 239000007924 injection Substances 0.000 title claims 2
- 239000013505 freshwater Substances 0.000 title 1
- 239000002002 slurry Substances 0.000 title 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 32
- 238000000034 method Methods 0.000 claims 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 22
- 239000010802 sludge Substances 0.000 claims 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 14
- 239000001569 carbon dioxide Substances 0.000 claims 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 7
- 239000010459 dolomite Substances 0.000 claims 5
- 229910000514 dolomite Inorganic materials 0.000 claims 5
- 239000002245 particle Substances 0.000 claims 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims 2
- 239000011575 calcium Substances 0.000 claims 2
- 229910052791 calcium Inorganic materials 0.000 claims 2
- 239000011777 magnesium Substances 0.000 claims 2
- 229910052749 magnesium Inorganic materials 0.000 claims 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 235000019738 Limestone Nutrition 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 239000012267 brine Substances 0.000 claims 1
- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical compound [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 claims 1
- -1 dolomite limestone Chemical compound 0.000 claims 1
- 239000003651 drinking water Substances 0.000 claims 1
- 235000020188 drinking water Nutrition 0.000 claims 1
- 239000003673 groundwater Substances 0.000 claims 1
- 239000008235 industrial water Substances 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000003621 irrigation water Substances 0.000 claims 1
- 239000006028 limestone Substances 0.000 claims 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 1
- 239000001095 magnesium carbonate Substances 0.000 claims 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 1
- 239000000395 magnesium oxide Substances 0.000 claims 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims 1
- 235000019341 magnesium sulphate Nutrition 0.000 claims 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000009285 membrane fouling Methods 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 235000010755 mineral Nutrition 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 239000008239 natural water Substances 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 229960003975 potassium Drugs 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011736 potassium bicarbonate Substances 0.000 claims 1
- 235000015497 potassium bicarbonate Nutrition 0.000 claims 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 claims 1
- 239000013535 sea water Substances 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 235000017557 sodium bicarbonate Nutrition 0.000 claims 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002352 surface water Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Fertilizers (AREA)
- Fodder In General (AREA)
- Treating Waste Gases (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Claims (22)
1. Postupak za remineralizaciju vode koji sadrži korake:
a) dobavljanje ulazne vode, te
b) injektiranje plinovitog ugljik dioksida i mulja u ulaznu vodu, pri čemu mulj sadrži mikronizirani kalcij karbonat, gdje kalcij karbonat ima veličinu čestica od 0.1 do 100 µm i HCl netopljivi sadržaj od 0.05 do 1.5 wt.-% zasnovano na ukupnoj masi mikroniziranog kalcij karbonata.
2. Postupak prema zahtjevu 1, pri čemu je koncentracija kalcij karbonata u mulju od 0.05 do 40 wt.%, od 1 do 25 wt.%, od 2 do 20 wt.-%, poželjno od 3 do 15 wt.-%, te najpoželjnije od 5 do 10 wt.-% zasnovano na ukupnoj masi mulja, ili je koncentracija kalcij karbonata u mulju od 10 do 40 wt.-%, od 15 do 30 wt.%, ili od 20 do 25 wt.-% zasnovano na ukupnoj masi mulja.
3. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu kalcij karbonat ima veličinu čestica od 0.5 do 50 µm, od 1 do 15 µm, poželjno od 2 do 10 µm, najpoželjnije 3 do 5 µm.
4. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu kalcij karbonat ima HCl netopljivi sadržaj od 0.1 do 0.6 wt.-% zasnovano na ukupnoj masi mikroniziranog kalcij karbonata.
5. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu je kalcij karbonat mljeveni kalcij karbonat, modificirani kalcij karbonat, gdje je modificirani kalcij karbonat mljeveni ili istaloženi kalcij karbonat sa modifikacijom površine i/ili interne strukture, ili istaloženi kalcij karbonat, ili njihove smjese.
6. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu mulj sadrži daljnje minerale koji sadrže magnezij, kalij ili natrij, poželjno magnezij karbonat, kalcij magnezij karbonat, poput dolomitskog vapnenca, vapnenačkog dolomita, dolomita ili polu-spaljenog dolomita, magnezij oksid poput spaljenog dolomita, magnezij sulfat, kalij hidrogen karbonat, ili natrij hidrogen karbonat.
7. Postupak prema zahtjevu 6, pri čemu je vremenski period između pripreme mulja i injektiranja mulja manje od 48 sati, manje od 24 sati, manje od 12 sati, manje od 5 sati, manje od 2 sata ili manje od 1 sat.
8. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu dobivena remineralizirana voda ima koncentraciju kalcija kao kalcij karbonata od 15 do 200 mg/l, poželjno od 50 do 150 mg/l, te najpoželjnije od 100 do 125 mg/l, ili od 15 do 100 mg/l, poželjno od 20 do 80 mg/l, te najpoželjnije 40 do 60 mg/l.
9. Postupak prema bilo kojem od zahtjeva 6 do 8, pri čemu dobivena remineralizirana voda ima koncentraciju magnezija od 5 do 25 mg/l, poželjno od 5 do 15 mg/l, te najpoželjnije od 8 do 12 mg/l.
10. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu remineralizirana voda ima vrijednost zamućenosti od ispod 5.0 NTU, manje od 1.0 NTU, manje od 0.5 NTU, ili manje od 0.3 NTU.
11. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu remineralizirana voda ima Langelier indeks zasićenosti od -1 do 2, poželjno od -0.5 do 0.5, najpoželjnije od -0.2 do 0.2.
12. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu remineralizirana voda ima Indeks gustoće proreza SDI15 ispod 5, poželjno ispod 4, te najpoželjnije ispod 3.
13. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu remineralizirana voda ima Indeks onečišćivanja membrane MFI0.45 ispod 4, poželjno ispod 2.5, najpoželjnije ispod 2.
14. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu je ulazna voda desalinirana morska voda, boćata voda ili rasol, obrađena otpadna voda ili prirodna voda poput podzemne vode, površinske vode ili kišnice.
15. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu se ugljik dioksid injektira u prvom koraku, te se mulj injektira serijski u drugom koraku, ili pri čemu se mulj injektira u prvom koraku te se ugljik dioksid injektira serijski u drugom koraku, ili pri čemu se ugljik dioksid i mulj injektiraju istovremeno.
16. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu se ugljik dioksid injektira u vodu korištenu za pripravu mulja.
17. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu se remineralizirana voda miješa sa ulaznom vodom.
18. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu postupak nadalje sadrži korak uklanjanja čestica.
19. Postupak prema bilo kojem od prethodnih zahtjeva, pri čemu postupak nadalje sadrži korake:
c) mjerenje vrijednosti parametara remineralizirane vode, pri čemu su parametri odabrani iz skupine koja sadrži alkalinitet, provodljivost, koncentraciju kalcija, pH, ukupne otopljene krutine, te zamućenost remineralizirane vode,
d) uspoređivanje izmjerene vrijednosti parametara sa predodređenom vrijednosti parametara, te
e) pružanje količine injektiranog ugljik dioksida i/ili mulja na osnovu razlike između mjerene i predodređene vrijednosti parametara.
20. Postupak prema zahtjevu 19, pri čemu je predodređena vrijednost parametra pH vrijednost, gdje je pH vrijednost od 5.5 do 9, poželjno od 7 do 8.5.
21. Uporaba mikroniziranog kalcij karbonata u obliku mulja za remineralizaciju vode, remineralizacija sadrži korak injektiranja plinovitog ugljik dioksida u ulaznu vodu, pri čemu kalcij karbonat ima veličinu čestica od 0.1 do 100 µm i HCl netopljivi sadržaj od 0.05 do 1.5 wt.-% zasnovano na ukupnoj masi mikroniziranog kalcij karbonata.
22. Uporaba prema zahtjevu 21, pri čemu je remineralizirana voda odabrana od pitke vode, rekreacijske vode poput vode za bazene, industrijske vode za primjene u procesima, vode za navodnjavanje, ili vode za vodonosnik ili punjenje bunara.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10172771.7A EP2418177B9 (en) | 2010-08-13 | 2010-08-13 | Micronized CaCO3 slurry injection system for the remineralization of desalinated and fresh water |
| US40185410P | 2010-08-20 | 2010-08-20 | |
| PCT/EP2011/063773 WO2012020056A1 (en) | 2010-08-13 | 2011-08-10 | Micronized caco3 slurry injection system for the remineralization of desalinated and fresh water |
| EP11741467.2A EP2611738B9 (en) | 2010-08-13 | 2011-08-10 | Micronized caco3 slurry injection system for the remineralization of desalinated and fresh water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20151292T1 true HRP20151292T1 (hr) | 2016-01-01 |
Family
ID=43003507
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20150250TT HRP20150250T1 (hr) | 2010-08-13 | 2015-03-05 | SUSTAV ZA INJEKTIRANJE MIKRONIZIRANOG CaCO3 MULJA ZA REMINERALIZACIJU DESALINIRANE I SVJEŽE VODE |
| HRP20151292TT HRP20151292T1 (hr) | 2010-08-13 | 2015-11-27 | Sustav za injektiranje mikroniziranog cac03 mulja za remineralizaciju desalinizirane i svježe vode |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20150250TT HRP20150250T1 (hr) | 2010-08-13 | 2015-03-05 | SUSTAV ZA INJEKTIRANJE MIKRONIZIRANOG CaCO3 MULJA ZA REMINERALIZACIJU DESALINIRANE I SVJEŽE VODE |
Country Status (31)
| Country | Link |
|---|---|
| US (1) | US10046992B2 (hr) |
| EP (2) | EP2418177B9 (hr) |
| JP (1) | JP5799101B2 (hr) |
| KR (1) | KR101614192B1 (hr) |
| CN (1) | CN103080021B (hr) |
| AU (1) | AU2011288455B2 (hr) |
| BR (1) | BR112013002969B8 (hr) |
| CA (1) | CA2807037C (hr) |
| CL (1) | CL2013000415A1 (hr) |
| CO (1) | CO6670587A2 (hr) |
| CY (1) | CY1116073T1 (hr) |
| DK (2) | DK2418177T3 (hr) |
| ES (2) | ES2532294T3 (hr) |
| HR (2) | HRP20150250T1 (hr) |
| HU (1) | HUE026938T2 (hr) |
| IL (1) | IL224462A (hr) |
| JO (1) | JO3162B1 (hr) |
| MA (1) | MA34514B1 (hr) |
| ME (1) | ME02068B (hr) |
| MX (1) | MX349686B (hr) |
| MY (1) | MY153083A (hr) |
| PL (2) | PL2418177T3 (hr) |
| PT (2) | PT2418177E (hr) |
| RS (2) | RS53857B1 (hr) |
| RU (1) | RU2564336C2 (hr) |
| SG (1) | SG187824A1 (hr) |
| SI (2) | SI2418177T1 (hr) |
| SM (2) | SMT201500050B (hr) |
| TW (1) | TWI438156B (hr) |
| WO (1) | WO2012020056A1 (hr) |
| ZA (1) | ZA201301529B (hr) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8790513B1 (en) * | 2011-07-01 | 2014-07-29 | Roger Boulter | Beverage water maker |
| RS53994B1 (en) | 2011-07-22 | 2015-10-30 | Omya International Ag | MICRONIZED THICK SUSPENSION INJECTION SYSTEM CACO3 FOR REMINERALIZATION DESALINATED AND FRESH WATER |
| SI2565165T1 (sl) | 2011-08-31 | 2016-11-30 | Omya International Ag | Remineralizacija desalinizirane in sveže vode z doziranjem raztopine kalcijevega karbonata v mehko vodo |
| HUE032933T2 (hu) | 2012-02-03 | 2017-11-28 | Omya Int Ag | Eljárás legalább egy alkáliföldfém-hidrogénkarbonátot tartalmazó vizes oldat elõállítására valamint ennek alkalmazása |
| SI2623467T1 (sl) | 2012-02-03 | 2016-08-31 | Omya International Ag | Postopek za pripravo vodne raztopine, ki vsebuje vsaj en zemeljsko alkalijski hidrogenkarbonat in njegova uporaba |
| GB2499992B (en) * | 2012-03-05 | 2014-12-10 | Ide Technologies Ltd | Water mineralization |
| CN102897945A (zh) * | 2012-08-01 | 2013-01-30 | 天津科技大学 | 一种海水淡化水矿化方法 |
| FR3002932B1 (fr) * | 2013-03-08 | 2023-04-14 | Degremont | Procede d'injection en ligne de reactifs dans une conduite d'eau sous pression pour une mineralisation de l'eau, et dispositif pour la mise en oeuvre du procede |
| PL2801555T3 (pl) * | 2013-05-07 | 2017-03-31 | Omya International Ag | Oczyszczanie wody i odwadnianie szlamu, w którym stosuje się poddany obróbce powierzchniowej węglan wapnia i krzemian warstwowy, zastosowanie połączenia poddanego obróbce powierzchniowej węglanu wapnia i krzemianu warstwowego i materiał złożony |
| EP2805924B1 (en) | 2013-05-24 | 2018-02-21 | Omya International AG | Multiple batch system for the preparation of a solution of calcium hydrogen carbonate suitable for the remineralization of desalinated water and of naturally soft water |
| EP2805923B1 (en) | 2013-05-24 | 2018-10-31 | Omya International AG | Installation for the preparation of a solution of calcium hydrogen carbonate suitable for the remineralization of water |
| US20150034537A1 (en) * | 2013-07-30 | 2015-02-05 | David Warren Parish, SR. | Automatic Drinking Water Enhancement Apparatus |
| EP3050852B1 (en) | 2015-01-29 | 2020-09-23 | Omya International AG | Process for manufacturing a solution of an earth alkali hydrogen carbonate |
| US10118313B2 (en) * | 2015-07-21 | 2018-11-06 | JAFEC USA, Inc. | Tubular in-line mixing device |
| EP3181521A1 (en) * | 2015-12-16 | 2017-06-21 | Nestec S.A. | Purified and re-mineralized water |
| EP3202719A1 (en) | 2016-02-05 | 2017-08-09 | Omya International AG | Installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate |
| EP3202720A1 (en) | 2016-02-05 | 2017-08-09 | Omya International AG | Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate |
| EP3455171B1 (en) | 2016-05-11 | 2022-10-05 | Pentair Filtration Solutions, LLC | Water ionization system and method |
| EP3428128A1 (en) * | 2017-07-12 | 2019-01-16 | Omya International AG | Method for increasing the magnesium ion concentration in feed water |
| EP3428129A1 (en) | 2017-07-12 | 2019-01-16 | Omya International AG | Method for increasing the magnesium ion concentration in feed water |
| BE1024584B1 (fr) * | 2017-07-28 | 2018-04-11 | Flamingo Holding Sa | Methode et appareil domestique de production d’eau minerale a partir d’une eau de ville |
| WO2020212980A1 (en) * | 2019-04-17 | 2020-10-22 | Hutchison Water Israel E.P.C Ltd | A system and method for treating water |
| DE102019120629A1 (de) * | 2019-07-31 | 2021-02-04 | Lhoist Recherche Et Développement S.A. | Filtermaterial zur Wasseraufbereitung |
| CN111661960A (zh) * | 2020-07-13 | 2020-09-15 | 杭州水处理技术研究开发中心有限公司 | 一种对海水淡化水进行矿化的装置和方法 |
| GB202101443D0 (en) * | 2021-02-02 | 2021-03-17 | Theoklitou Panayiotis | Method and products |
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