CS216038B1 - Method of rectification of the water mixtures of refuse solvents - Google Patents
Method of rectification of the water mixtures of refuse solvents Download PDFInfo
- Publication number
- CS216038B1 CS216038B1 CS52879A CS52879A CS216038B1 CS 216038 B1 CS216038 B1 CS 216038B1 CS 52879 A CS52879 A CS 52879A CS 52879 A CS52879 A CS 52879A CS 216038 B1 CS216038 B1 CS 216038B1
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- Czechoslovakia
- Prior art keywords
- mixture
- esters
- water
- weight
- rectification
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 5
- 239000002904 solvent Substances 0.000 title description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 108010010803 Gelatin Proteins 0.000 claims description 4
- 229920000159 gelatin Polymers 0.000 claims description 4
- 239000008273 gelatin Substances 0.000 claims description 4
- 235000019322 gelatine Nutrition 0.000 claims description 4
- 235000011852 gelatine desserts Nutrition 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 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 description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 125000002252 acyl group Chemical group 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- -1 ethylene oxide fatty acid Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 229920001522 polyglycol ester Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 2
- 244000060011 Cocos nucifera Species 0.000 claims description 2
- 235000004443 Ricinus communis Nutrition 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 229920002521 macromolecule Polymers 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 210000000582 semen Anatomy 0.000 claims description 2
- PYODKQIVQIVELM-UHFFFAOYSA-M sodium;2,3-bis(2-methylpropyl)naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S([O-])(=O)=O)=C(CC(C)C)C(CC(C)C)=CC2=C1 PYODKQIVQIVELM-UHFFFAOYSA-M 0.000 claims description 2
- 150000001447 alkali salts Chemical class 0.000 claims 1
- 150000008282 halocarbons Chemical class 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 239000010887 waste solvent Substances 0.000 claims 1
- 238000004821 distillation Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229920000715 Mucilage Polymers 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Description
Vynález se týká způsobu rektifikace odpadních rekuperovaflých rozpouštědel ve směsi s vodou, obsahujících rozpuštěné monomery, pevné polymery nebo jiné makromelekulární látky jako pryskyřici, želatinu, slizy a to přímou kontinuální nebo diskontinuální rektifikací v jedné operaci»The invention relates to a process for rectifying waste recuperated solvents in a mixture with water, containing dissolved monomers, solid polymers or other macromellular substances such as resin, gelatin, mucilages by direct continuous or discontinuous rectification in a single operation.
Dosud ae zpracovávaly odpadní směsi rozpouštědel tak, že se nejprve destilovaly, přeháněly vodní parou nebo z nich vysrážely pevné komponenty a pak rektifikovaly. Některé směsi bylo možno použít v omezeném množství, jiné bylo nutno likvidovat bez použití.So far, solvent mixtures have been treated by first distilling, steaming or precipitating solid components and then rectifying. Some mixtures could be used in limited quantities, others had to be disposed of without use.
Uvedené nevýhody odstraňuje způsob rektifikace dvousložkových nebo vícesložkových směsí vody a rozpouštědel jako jsou alkoholy, například methanol, ketony, například aceton, dále halogenderiváty uhlovodíků, například methylenchlorid, obsahujících nejvýše. 9,0 % hmotnostních rozpuštěných nebo jemně rozptýlených nečistot v podobě kapalných monomerů, například styrenu nebo pevných makromolekulárních látek, například želatiny, podle tohoto vynálezu, jehož princip spočívá v tom, že se ke směsi před rektifikací přidá 0,01 až 5,0 % hmotnostních emulgátoru na bázi alkylsulfonových kyselin Cg až C2Q a/nebo alkylarylsulfonových kyselin nebo jejich alkalických solí, kde alkyl je C? až C24 a aryl značí naftyl nebo benzyl, jako diizobutylnaftalensulfonanu sodného a/nebo sulfonovaných kyselin a jejich esterů či solí jako di-2-etylhexylsulfoJantaranu sodného, a/nebo kondenzačních produktů etylenoxidu s mastnými o-úf· o 38 kyselinami nebo jejích estery jako acylpolyglykolesterfi, kde acyl je zbytek kyseliny stearové, kokosové, ricinového, spermového nebo talového oleje, jako polyglykolester kyseliny stearo vé, vztaženo na vodu obsaženo® ve směsi, u rektifikačních kolon s přímým nástřikem páry do vařáku vztaženo současné na vodu ve směsi a vodu vzniklou kondenzací páry. Během rektifikece odcházejí z rektifikační kolony pevné nebo kapalné nečistoty v podobě jemné suspenze nebo emulze jako lutr z vařáku kolony.These disadvantages are eliminated by the process of rectifying two-component or multi-component mixtures of water and solvents such as alcohols, for example methanol, ketones, for example acetone, and halogen-containing hydrocarbons, for example methylene chloride, containing at most. 9.0% by weight of dissolved or finely divided impurities in the form of liquid monomers, for example styrene or solid macromolecular substances, for example gelatin, according to the invention, the principle of which is to add 0.01 to 5.0% to the mixture before rectification by weight emulsifier based on alkanesulfonic acids, Cg to C 2Q and / or alkylarylsulfonic acids or their alkali metal salts, wherein the alkyl is C? and C24 and aryl designate naphthyl or benzyl, such as sodium diisobutylnaphthalenesulfonate and / or sulfonated acids and their esters or salts, such as sodium di-2-ethylhexylsulfosuccinate, and / or ethylene oxide condensation products with 38 fatty acids or esters thereof, acylpolyglycol esters, wherein acyl is a stearic acid, coconut, castor, semen or tall oil residue such as stearic acid polyglycol ester, based on the water contained in the mixture, for rectification columns with direct steam injection into the reboiler referenced simultaneously to the water in the mixture and the water formed condensation of steam. During rectification, solid or liquid impurities in the form of a fine suspension or emulsion, such as a lutr, leave the column digester from the rectification column.
Výhodou; uvedeného způsobu je to, že se jedinou operací získá rozpouštědlo, která je možno použít znovu, přičemž odpadá vedle rektifikace nutnost dalších operacf jako přehánění vodní parou, destilace, vysrážení pevných částic a filtrace. Další výhoda spočívá v tom, že se přídavkem výše uvedených látek zamezí vylučování pevných nečistot v podobě souvislých usazenin a povlaků, které zanášejí vařák kolony a ucpávají průchody pater nebo náplň kolony i příslušné armatury (výpustě, sifony, vzorkovací trubice). Nečistoty odpadejf v podobě suspenze polymerů (monomery při destilaci zpolymerujii), což je zdravotně i ekologicky výhodné oproti dříve odpadajícím monomerům. Pro'bližší objasnění jsou uvedeny příklady provedení gříklad 1Advantage; The method is that a single operation yields a solvent that can be reused, eliminating the need for additional operations such as steam overflow, distillation, precipitation of solids, and filtration in addition to rectification. A further advantage is that the addition of the above-mentioned substances avoids the formation of solid impurities in the form of continuous deposits and coatings that clog the column digester and clog the passages or the packings of the column and the associated fittings (outlets, siphons, sampling tubes). The impurities are dispersed in the form of a polymer suspension (which is polymerized during the distillation), which is advantageous in terms of health and ecology compared to the monomers which have previously been removed. The following examples illustrate the invention
Směs určená ke zpracování obsahuje 60 až 75 % hmotnostních acetonu, 0,1 až 5,0 % hmotnostních styrenu, zbytek do 100 % hmotnostních jé voda (dále jen směs). Ke směsi se přidá jako stabilizátor 30 g pyrokatechinu na 1000 kg směsi a 800 g stearylpolyglykolesteru a 50 g di-2-etylhexylsulfojantaranu sodného na 1000 kg směsi. Takto upravená směs se rektifikuje na kontinuální rektifikační koloně s refluxním poměrem nejméně 2 : 1, nejlépe 2,5 až 3:1. Získá se bezvodý aceton.The mixture to be treated contains 60 to 75% by weight of acetone, 0.1 to 5.0% by weight of styrene, the remainder to 100% by weight of water (hereinafter the mixture). 30 g of pyrocatechin per 1000 kg of the mixture and 800 g of stearyl polyglycol ester and 50 g of sodium di-2-ethylhexyl sulfosuccinate per 1000 kg of the mixture are added as stabilizers. The mixture thus treated is rectified on a continuous rectification column with a reflux ratio of at least 2: 1, preferably 2.5 to 3: 1. Anhydrous acetone is obtained.
Příklad 2Example 2
Do směsi obsahující 45 až 60 % hmotnostních acetonu, 15 až 35 % hmotnostních metanolu, až 20 % hmotnostních metylenchloridu, 0,3 až 2,b % hmotnostních želatiny a do 10Q % vody, se přimísí roztok, obsahující na 1 litr vody 100 g Jaru (swés alkylsulfonanů, alkylpolyglykoletersíranú, alkylsíranů, neionogenních saponátů, polyfosfátů) tak, že na 1000 litrů směsi připadá 100 litrů roztoku. Tímto; způsobem upravená směs se rektifikuje na rektifikační koloně s refluxním poměrem nejméně 2,5 : 1 nejlépe 3 až 4 : 1. Získá se bezvodá směs acetonu, metanolu a metylenchloridu bez příměsí.To a mixture containing 45 to 60% by weight of acetone, 15 to 35% by weight of methanol, up to 20% by weight of methylene chloride, 0.3 to 2% by weight of gelatin and up to 10% by weight of water is mixed with a solution containing 100 g per liter of water. Spring (swes of alkylsulfonates, alkylpolyglycol ether sulphates, alkylsulphates, non-ionic detergents, polyphosphates) so that there are 100 liters of solution per 1000 liters of the mixture. Hereby; the treated mixture is rectified on a rectification column with a reflux ratio of at least 2.5: 1, preferably 3 to 4: 1. An anhydrous mixture of acetone, methanol and methylene chloride is obtained without admixtures.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS52879A CS216038B1 (en) | 1980-05-15 | 1980-05-15 | Method of rectification of the water mixtures of refuse solvents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS52879A CS216038B1 (en) | 1980-05-15 | 1980-05-15 | Method of rectification of the water mixtures of refuse solvents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS216038B1 true CS216038B1 (en) | 1982-10-29 |
Family
ID=5337512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS52879A CS216038B1 (en) | 1980-05-15 | 1980-05-15 | Method of rectification of the water mixtures of refuse solvents |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS216038B1 (en) |
-
1980
- 1980-05-15 CS CS52879A patent/CS216038B1/en unknown
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