CS258249B1 - A method of disposing of concentrated aqueous solutions containing iron chlorides and media - Google Patents
A method of disposing of concentrated aqueous solutions containing iron chlorides and media Download PDFInfo
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- CS258249B1 CS258249B1 CS868789A CS878986A CS258249B1 CS 258249 B1 CS258249 B1 CS 258249B1 CS 868789 A CS868789 A CS 868789A CS 878986 A CS878986 A CS 878986A CS 258249 B1 CS258249 B1 CS 258249B1
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Abstract
Riešenie spočívá v tom, že sa koncentrovaný vodný roztok obsahujúci chlorid železa a médi prevedie na kašovitú až tuhú látku prostrednlctvom 2 až 15 % hmotnostných kovového hliníka.The solution is that a concentrated aqueous solution containing iron and copper chloride is converted to a slurpy to solid substance by means of 2 to 15% by weight of aluminum metal.
Description
Riešenie spočívá v tom, že sa koncentrovaný vodný roztok obsahujúci chlorid železa a médi prevedie na kašovitú až tuhú látku prostredníctvom 2 až 15 % hmotnostných kovového hliníka. 258249 258249The solution is to convert the concentrated aqueous solution containing the iron chloride and the medium to a slurry up to 2 to 15% by weight of aluminum metal. 258249 258249
Predmetom vynálezu je spdsob likvldácie odpadných koncentrovaných vodných roztokov obsahujúcich chloridy železa a médi, ako například opotřebovaný roztok zahlbovača médi používaného pri výrobě tlačených spojov v elektrotechnike.It is an object of the invention to dispose of waste concentrated aqueous solutions containing iron chlorides and media, such as a worn media diluent solution used in the production of printed circuits in electrical engineering.
Opotřebované zahlbovače médi na báze chloridu železitého obsahujú ešte chlorid železnatý a chlorid mednatý, ktoré vznikli rozpúštaním médi na úkor spotřeby chloridu železitého. Vyčerpánosť týchto roztokov v dósledku ktorej sa stávajú odpadnými, sa prejavuje úbytkom chloridu železitého, čím nepriaznivo spomaluje rýchlosti, leptania médi. Bežne sa udává, že roztoky s obsahom 50 až 80 g médi na liter sú prakticky už nepoužitelné. Preto sa vo vačších prevádzkach používajúcich tento typ zahlbovača, roztok priebežne regeneruje v zložitých zariadeniach pomocou elektrolytického vylučovania médi na pohyblivú elektrodu s oxidáciou roztoku plynným chlórom. V menších prevádzkach sa opotřebovaný roztok likviduje bud vylievaním do odpadových v6d, alebo přidáváním do odpadových vód v neutralizačných staniciach. V oboch prípadoch dochadza k zvyšovaniu obsahu škodlivých chemikálií v povrchových vodách, připadne tiež po určitej době k priebehu nepředpokládaných reakcii.Worn ferric chloride-based conglomerates still contain ferrous chloride and copper (II) chloride, which are formed by dissolving the medium at the expense of ferric chloride consumption. The depletion of these solutions as a result of their disappearance is manifested by the loss of ferric chloride, thereby slowing down the speed, etching of the medium. It is commonly stated that solutions containing 50 to 80 g of medium per liter are practically no longer usable. Therefore, in larger plants using this type of constructor, the solution is continuously regenerated in complex devices by electrolytic deposition of the medium on the moving electrode with oxidation of the solution with chlorine gas. In smaller plants, the worn solution is disposed of either by pouring it into the waste water or by adding it to the waste water at the neutralization stations. In both cases, there is an increase in the content of harmful chemicals in surface waters, and also after a period of unforeseen reactions.
Vyššie uvedené nedostatky zmierňuje spósob likvidácie koncentrovaných vodných roztokov obsahujúcich chloridy železa a médi podlá vynálezu, ktorého podstatou je, že sa koncentrovaný vodný roztok obsahujúci chloridy železa a médi prevedie na kašovitú až tuhú látku pósobením 2 až 15 4 hmotnostných kovového hliníka a jeho zliatin.The aforementioned drawbacks are alleviated by the method of disposing of concentrated aqueous solutions containing iron chlorides and media according to the invention, wherein the concentrated aqueous solution containing the iron chloride and the medium is slurried to solids by treating 2 to 15% by weight of aluminum metal and its alloys.
Spósob likvidácie koncentrovaných vodných roztokov podlá vynálezu sa docieli toho, že sa dá vykonávat bez nároku na kvalifikáciu a potřeby zvláštneho zariadenia. Látka získaná likvidáciou nepředstavuje žiadne nebezpečenstvo pre povrchové a spodně vody. Je ju možné tiež zhromaždovať a získavať z nej vylúčenú med. Příkladné riešenie spósobu likvidácie koncentrovaných vodných roztokov je následovně:The method of disposing of the concentrated aqueous solutions according to the invention is that it can be carried out without the need for the qualification and the needs of the particular device. Disposal is not a hazard to surface and ground water. It can also be collected and extracted from it. An exemplary solution to the method of disposing of concentrated aqueous solutions is as follows:
Je potřeba likvidovat odpadný roztok zahlbovača obchodnéj značky grafolit. Takýto čerstvý zahlbovač obsahuje viac ako 60 4 chloridu železitého a chlorid vápenatý. Opotřebovaný zahlbovač obsahoval 55 g médi v 1 litri roztoku a mal obsah vody získaný vysušovaním pri 110 °C okolo 60 4. Skúškou sa zistilo, že na požadovanú premenu je třeba 5,2 4 hmotnostných odpadného hliníka a že bez miešania a chladenia sa v priebehu pósobenia hliníkom zvačšuje objem zmesi až o 100 4. Po zlikvidovaní sa získala pevná hmota, ktorej hmotnosť bola 80 4 z hmotnosti odpadného zahlbovača. Získaná hmota sa pósobením vody rozpadla a výluh s dvojnásobným množstvom vody mal skoro neutrálnu reakciu. Taký istý neutrálny materiál sa získal i pósobením běžných hliníkovvých zliatin.It is desirable to dispose of the effluent solution of the grafit trade marker. Such a fresh buffer contains more than 60% ferric chloride and calcium chloride. The worn constructor contained 55 g of medium in 1 liter of solution and had a water content of drying at 110 ° C of about 60 4. The test revealed that 5.2 4 weight wastes of aluminum were required for the desired conversion and that without mixing and cooling during The amount of aluminum produced increases the volume of the mixture by up to 100%. After disposal, a solid mass is obtained, the weight of which is 80% by weight of the waste deburrer. The mass obtained disintegrated by the action of water and the leachate with twice the amount of water had a nearly neutral reaction. The same neutral material was also obtained by the action of conventional aluminum alloys.
Vlastná likvidácia sa potom vykonala v odpadných nádobách, ktorých celkový objem bol dvojnásobný ako objem odpadného zahlbovača. Do odpadných nádob sa dali triesky zo sústruženia hliníkových obrobkov, ktoré sa zalievali po dávkách odpadným zahlbovačom a premiešali sa. Použilo sa 6 4 odpadného hliníka na hmotnosť likvidovaného roztoku.The actual disposal was then carried out in waste containers whose total volume was twice that of the waste conifer. Chips from the turning of the aluminum workpieces were poured into the waste containers, which were poured in batches by the waste debriser and mixed. 6 4 waste aluminum was used for the weight of the disposed solution.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS868789A CS258249B1 (en) | 1986-12-01 | 1986-12-01 | A method of disposing of concentrated aqueous solutions containing iron chlorides and media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS868789A CS258249B1 (en) | 1986-12-01 | 1986-12-01 | A method of disposing of concentrated aqueous solutions containing iron chlorides and media |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS878986A1 CS878986A1 (en) | 1987-11-12 |
| CS258249B1 true CS258249B1 (en) | 1988-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS868789A CS258249B1 (en) | 1986-12-01 | 1986-12-01 | A method of disposing of concentrated aqueous solutions containing iron chlorides and media |
Country Status (1)
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| CS (1) | CS258249B1 (en) |
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1986
- 1986-12-01 CS CS868789A patent/CS258249B1/en unknown
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| Publication number | Publication date |
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| CS878986A1 (en) | 1987-11-12 |
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