CS227939B1 - Regeneration of hydraulic liquids based on polychlorinated biphenyls - Google Patents
Regeneration of hydraulic liquids based on polychlorinated biphenyls Download PDFInfo
- Publication number
- CS227939B1 CS227939B1 CS462182A CS462182A CS227939B1 CS 227939 B1 CS227939 B1 CS 227939B1 CS 462182 A CS462182 A CS 462182A CS 462182 A CS462182 A CS 462182A CS 227939 B1 CS227939 B1 CS 227939B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- weight
- regeneration
- polychlorinated biphenyls
- liquids based
- hydraulic liquids
- Prior art date
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- 150000003071 polychlorinated biphenyls Chemical class 0.000 title claims description 6
- 230000008929 regeneration Effects 0.000 title claims 2
- 238000011069 regeneration method Methods 0.000 title claims 2
- 239000007788 liquid Substances 0.000 title description 2
- 239000012530 fluid Substances 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims 1
- 150000008041 alkali metal carbonates Chemical class 0.000 claims 1
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 150000004074 biphenyls Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Polychlorovaná bifenyly s obsahom chlóru viac ako 30 % hmotnostných s prídavkom aditiv zlepšujúeich oxidačnú stálost, mazacie vlastnosti, uprevujúci penivosť sa používajú na maza nie v extrámnych podmienkach. Adltívaml sú zváčša organická zlúčeniny obsahujúce v molekule atomy kyslika, síry, dusíka, fosforu, zinku a iných prvkov. V priebehu používania hydraulic kej kvapaliny sa v nej obsiahnutá aditívy menta, podliehajú rozkladu.Polychlorinated biphenyls with a chlorine content of more than 30% by weight with the addition of additives improving oxidation stability, lubricating properties and foaming properties are used for lubrication not in extreme conditions. Additives are mainly organic compounds containing oxygen, sulfur, nitrogen, phosphorus, zinc and other elements in the molecule. During use of the hydraulic fluid, the menta additives contained therein are subject to decomposition.
Produkty rozkladu obsahujúce síru, vo formě merkaptánov, sulfidov a iných sa vyznačujú aj v nepatrných kpncentráciách nepříjemným zápachom, ktorý je příčinou ich nepoužitelnosti. Okrem toho použitá kvapalina obsahuje rozptýlené čiastočky rfiznych nečistfit ako například uhlíkové úsady, okuje, hrdzu, nezriedka vodu a anorganické nečistoty.·Sulfur-containing decomposition products, in the form of mercaptans, sulphides and others, are also characterized by unpleasant odors, even at slight concentrations, which make them unusable. In addition, the liquid used contains suspended particulate matter such as carbon deposits, scale, rust, rarely water and inorganic impurities.
Uvedené nedostatky sú odstránené spfisobom regenerécie hydraulických kvapaiín na báze polychlorovaných bifenyiov podTa vynálezu, ktorý spočívá vo filtrácii nečistfit, extrakcií nefiltrovateTných podielov organickým rozpúšťadlom a nakoniec závěrečným destilačným rozdělením s adítivováním a ktorého podstatou je, že filtrát sa premyje 20 %-ným hmotnostným roz tokom uhličitanu alkalického kovu v množstve 10 až 20 % hmotnosti na hmotnost filtrátu za teploty 20 až 100 °C.These drawbacks are overcome by the recovery of the polychlorinated biphenyl-based hydraulic fluid according to the invention, which consists in filtering off the impurities, extracting the non-filterable portions with an organic solvent and finally a final distillation separation with additivation. % alkali metal in an amount of 10 to 20% by weight of the filtrate at a temperature of 20 to 100 ° C.
fialej sa vodná vrstva oddělí a k filtrátu sa přidá kyselina peroxyoctová v množstve 0,1 až 3 % hmotnostně na hmotnost násady hydraulickéj kvapaliny za miešania až do a za zohriatie na teplotu do 100 °C.The aqueous layer is separated from the violet and peroxyacetic acid is added to the filtrate in an amount of 0.1 to 3% by weight based on the weight of the hydraulic fluid feed, with stirring up to and heating to 100 ° C.
Kyselina peroctová a peroxid vodíka prevedú sírne zlúčeniny na menej zapáchajúce sulf? oxidy, sulfony a sulfokyseliny. Teplota vzniknutých zlúčenín je mimo teploty varu chlorovaných bifenylov. Hlavně frakcie, zodpovedajúce destilačnému rozmedziu 300 až 350 °C za normálného tlaku sa spracujú za přídavku aditívov.Peracetic acid and hydrogen peroxide convert sulfur compounds to less odorous sulphides? oxides, sulfones and sulfoacids. The temperature of the resulting compounds is outside the boiling point of chlorinated biphenyls. In particular, fractions corresponding to a distillation range of 300 to 350 ° C under normal pressure are treated with the addition of additives.
Výhodou spfisobu podTa vynálezu je možnost spracovania vrchných opotřebovaných hydraulických kvapalín.An advantage of the method according to the invention is the possibility of processing the top worn hydraulic fluids.
Predmet vynálezu je ilustrovaný na příklade prevedenia.The invention is illustrated by way of example.
PříkladExample
100 hmotnostných dielov opotřebenaj hydraulickéj kvapaliny na báze polychlorovaných bifenylov - Hydeloru 104, výrobce Chemko Strážske n. p. - čiernej farby s rozptýlenými Siastočkami tuhej fázy, nepříjemného zápachu sa filtruje na keramickom filtri. Zvyšok na filtri sa premyje 10 hmotnostnými dielmi xylénu.100 parts by weight of hydraulic fluid based on polychlorinated biphenyls - Hydelor 104, manufactured by Chemko Strážske n. p. - black with scattered solid phase particles, unpleasant odor is filtered on a ceramic filter. The filter residue is washed with 10 parts by weight of xylene.
Xylén sa odpaří a zvyšok sa pridé k tlakovému podlelu. NefiltrovateTný podiel činil 15 hmotnostných dielov čierneho-préšku. Spojené filtráty sa premyjú 10 hmotnostnými dielmi vodného roztoku uhličitanu sodného o koncentrácii 20 % hmotnostných za miešania a stúpnutie teploty na 8· °C.The xylene was evaporated and the residue was added to the pressure pad. The non-filterable portion was 15 parts by weight of black powder. The combined filtrates were washed with 10 parts by weight of an aqueous solution of sodium carbonate at a concentration of 20% by weight with stirring and the temperature was raised to 8 ° C.
Vodné vrstva sa oddělí, pridé sa 1 hmotnostný diel kyseliny peroxyoctovej a za miešania sa zmes zohreje na 100 °C. Destiláciou sa získá 91 hmotnostných dielov polychlorovaných bifenylov v rozmedzí varu 120 až 185 °C pri 13 Pa.The aqueous layer was separated, 1 part by weight of peracetic acid was added and the mixture was heated to 100 ° C with stirring. Distillation yielded 91 parts by weight of polychlorinated biphenyls boiling in the range of 120-185 ° C at 13 Pa.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS462182A CS227939B1 (en) | 1982-06-22 | 1982-06-22 | Regeneration of hydraulic liquids based on polychlorinated biphenyls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS462182A CS227939B1 (en) | 1982-06-22 | 1982-06-22 | Regeneration of hydraulic liquids based on polychlorinated biphenyls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS227939B1 true CS227939B1 (en) | 1984-05-14 |
Family
ID=5389417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS462182A CS227939B1 (en) | 1982-06-22 | 1982-06-22 | Regeneration of hydraulic liquids based on polychlorinated biphenyls |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS227939B1 (en) |
-
1982
- 1982-06-22 CS CS462182A patent/CS227939B1/en unknown
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