DE1542438A1 - Process for removing water from finely divided solids - Google Patents

Process for removing water from finely divided solids

Info

Publication number
DE1542438A1
DE1542438A1 DE19651542438 DE1542438A DE1542438A1 DE 1542438 A1 DE1542438 A1 DE 1542438A1 DE 19651542438 DE19651542438 DE 19651542438 DE 1542438 A DE1542438 A DE 1542438A DE 1542438 A1 DE1542438 A1 DE 1542438A1
Authority
DE
Germany
Prior art keywords
solvent
water
solid
terfahren
question
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.)
Pending
Application number
DE19651542438
Other languages
German (de)
Inventor
Naumann William Chester
Lamb Thomas Joseph
Mitch Eugene Leonard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of DE1542438A1 publication Critical patent/DE1542438A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/16—Drying solid materials or objects by processes not involving the application of heat by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)

Claims (22)

Abschrift - 13 - P. A. 678 782 * 27. 12. PatentansprücheCopy - 13 - P.A. 678,782 * 27. 12. Claims 1. Verfahren zum Entfernen von Wasser aus wasserhaltigen fein verteilten festen Stoffen, dadurch gekennzeichnet, daß die betreffenden festen Stoffe mit einem niedermolekularen nicht-wässrigen Lösungsmittel für Wasser in Berührung gebracht werden und wenigstens ein beträchtlicher Anteil des erhaltenen wasserhaltigen Lösungsmittels auf nicht thermischem Wege aus den festen Stoffen abgetrennt wird.1. Method of removing water from hydrous finely divided solid matter, characterized in that the solid matter concerned with a low molecular weight non-aqueous solvents for water are brought into contact and at least a substantial proportion of that obtained water-containing solvent is separated from the solids by non-thermal means. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß2. The method according to claim 1, characterized in that die betreffenden festen Stoffe eine Teilchengröße bis zu 1,65 mm aufweisen.the solid substances in question have a particle size of up to 1.65 mm. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die betreffenden festen Stoffe aus Feinkohle bestehen.3. The method according to claim 1 or 2, characterized in that the solid substances in question consist of fine coal. 4. Verfahren nach Anspruch 1 - 3» dadurch gekennzeichnet, daß das Gewichtsverhältnis von Lösungsmittel zu Wasser 1:1 bis 15:1 beträgt.4. The method according to claim 1 - 3 »characterized in that that the weight ratio of solvent to water is 1: 1 up to 15: 1. 5. Verfahren nach Anspruch 1 - 4» dadurch gekennzeichnet, daß das Gewichtsverhältnis 3:1 bis 7:1 beträgt.5. The method according to claim 1-4 »characterized in that the weight ratio is 3: 1 to 7: 1. V-;m DiUt ·+ " t-'it-rnt :ti" j'±if r,< ::■.■·. : ■- ■·■ ■ ·■ *■'■ : ■■' vfl" u.... .·=■ - ■'---■ ■"■ ■· -■'■ l 1^1- V-; m DiUt · + "t-'it-rnt: ti" j '± i f r, <:: ■. ■ ·. : ■ - ■ · ■ ■ · ■ * ■ '■ : ■■' vfl "u ..... · = ■ - ■ '--- ■ ■" ■ ■ · - ■' ■ l 1 ^ 1 - ti-.-.'iui.. lud.t ^- iti -.-. 'iui .. lud.t ^ - i 009826/1641009826/1641 - 14 -- 14 - 6. Verfahren nach Anspruch 1 -5, dadurch gekennzeichnet,6. The method according to claim 1 -5, characterized in that daß die wasserhaltigen festen Stoffe und das Lösungsmittel mit Hilfe einer Vorrichtung mit rotierendem Scheibenkontakt in Berührung gebracht werden.that the water-containing solids and the solvent with the aid of a device with rotating disk contact in Be brought into contact. 7. Verfahren nach Anspruch 1 - 6, dadurch gekennzeichnet,7. The method according to claim 1 - 6, characterized in that daß die Abtrennung des wasserhaltigen Lösungsmittels von dem festen Stoff wenigstens zum Teil durch Filtrieren erfolgt.that the separation of the water-containing solvent from the solid substance takes place at least in part by filtration. 8. Verfahren nach Anspruch 1 -7, dadurch gekennzeichnet,8. The method according to claim 1 -7, characterized in that daß die festen Stoffe anschließend thermisch behandelt werden, um zusätzlich das von dem festen Stoff zurückgehaltene wasserhaltige Lösungsmittel wiederzugewinnen.that the solid substances are then thermally treated in order to additionally remove the water-containing substance retained by the solid substance Recover solvent. 9. Verfahren nach Anspruch 1 - 8, dadurch gekennzeichnet, daß ein Lösungsmittel mit einem Siedepunkt unter 100°b verwendet wird.9. The method according to claim 1-8, characterized in that a solvent with a boiling point below 100 ° b is used will. 10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß10. The method according to claim 9, characterized in that ein Lösungsmittel mit einem Siedepunkt unter 80^Cverwendet wird,a solvent with a boiling point below 80 ^ C is used, 11. Verfahren nach Anspruch 8 - 10, dadurch gekennzeichnet, daß die thermische Behandlung bei einer Temperatur durchgeführt wird, die höchstens 100C über der Siedetemperatur des Lösungsmittels liegt.11. The method according to claim 8-10, characterized in that the thermal treatment is carried out at a temperature which is at most 10 0 C above the boiling point of the solvent. Vom Pe· t'·· η P.:tc:itda.t "!ir." H»
Γ.;ν·:.χ· · ■.-■■■-'■ : U«tBrl.. ■ ■ From the Pe · t '·· η P.:tc:itda.t "! Ir."H"
Γ.; Ν ·: .χ · · ■ .- ■■■ - '■ : U « tB rl .. ■ ■ ·^ ··■■- -■•'-l "■'"· ^ ·· ■■ - - ■ • '- l "■'" 009826/1641009826/1641 12. Verfahren nach Anspruch 1 - 11, dadurch gekennzeichnet, daß die Entfernung dee Wassers bis zu einem Wassergehalt des festen Stoffes von wenigstens 7 Gew. 56 erfolgt.12. The method according to claim 1-11, characterized in that that the water is removed up to a water content of the solid material of at least 7% by weight. 13· Verfahren nach Anspruch 1 - 12, dadurch gekennzeichnet, daß wenigstens aus einem Teil des wiedergewonnenen wasserhaltigen Lösungsmittels das Wasser entfernt wird.13 · Method according to claims 1 - 12, characterized in that the water is removed from at least a portion of the recovered water-containing solvent. 14. Verfahren nach Anspruch 1 - 13, dadurch gekennzeichnet, daß die Abtrennung des Wassers wenigstens zum Teil bei einem Druck von 0-3,5 ata erfolgt.·14. The method according to claim 1-13, characterized in that that the separation of the water takes place at least partly at a pressure of 0-3.5 ata. 15. Verfahren nach Anspruch 1 - H, dadurch gekennzeichnet,15. The method according to claim 1 - H, characterized in that daß in dem betreffenden Lösungsmittel das Wasser wenigstens zu 10 i löslich ist.that in the solvent in question the water is at least 10 i soluble. 16. Verfahren nach Anspruch 15« dadurch gekennzeichnet, daß16. The method according to claim 15 «characterized in that das betreffende Lösungsmittel praktisch vollständig mit Wasser mischbar ist.the solvent in question is practically completely miscible with water. 17. Verfahren nach Anspruch 1 - 16, dadurch gekennzeichnet, daß ein organisches Lösungsmittel verwendet wird.17. The method according to claim 1-16, characterized in that an organic solvent is used. 009826/1641009826/1641 18. Terfahren nach Anspruch 1 - 17, dadurch gekennzeichnet,18. Terfahren according to claim 1 - 17, characterized in that da· al« Lösungsmittel eine organische Verbindung Tertrendet wird, dl· is Molekül 1 bis 4 Kohlenstoffatom, höchstens 1 Stickstoffatom, 1 bis 3 Sauerstoffatome und als Rest Wasserstoffatome aathtlt.because as a solvent an organic compound is produced, The molecule has 1 to 4 carbon atoms, a maximum of 1 nitrogen atom, 1 to 3 oxygen atoms and the remainder hydrogen atoms aathtlt. 19· Terfahren nach Anspruch 17 oder 18, dadurch gekennzeichnet, dal das Lösungsmittel aus wenigstens einem Alkanol besteht.19 · Terfahren according to claim 17 or 18, characterized in that since the solvent consists of at least one alkanol. 20· Terfahren nach Anspruch 19, dadurch gekennseichnet, dal al· Lösungsmittel Methanol, verwendet wird.20 · Terfahren according to claim 19, characterized in that since methanol is used as the solvent. 21· Terfahren nach Anspruch 19 oder 20, dadurch gekennzeichnet, d*8 al· Lösungsmittel Isopropanol verwendet wird.21 · The method according to claim 19 or 20, characterized in that d * 8 is used as the solvent isopropanol. 22. Terfahren mach Anspruch 17 - 20, dadurch gekennzeichnet, dafi das Lösungsmittel aus wenigstens einem Keton besteht.22. Terfahren make claim 17-20, characterized in that that the solvent consists of at least one ketone. 23· Terfahren nach Anspruch 22, dadurch gekennzeichnet, das al· Lösungsmittel Aceton verwendet wird.23. The method according to claim 22, characterized in that acetone is used as the solvent. 24· Terfaaren nach Anspruch 17 - 23t dadurch gekennseichnet, da· das Lösungsmittel aus wenigstens einem Ester besteht.24 Terfaaren according to claim 17-23t characterized by that the solvent consists of at least one ester. Vom Dr'.:ts*<*a F·'.·"*·.·τ.\ "':ne Gcvlhi ·■ ·.,: -'S vcnFrom Dr '.: Ts * <* a F ·'. · "* ·. · Τ. \ "': Ne Gcvlhi · ■ ·., : -'S vcn 009826/1641009826/1641 BAD ORIGINALBATH ORIGINAL
DE19651542438 1964-12-28 1965-12-27 Process for removing water from finely divided solids Pending DE1542438A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421572A US3327402A (en) 1964-12-28 1964-12-28 Solvent drying of coal fines

Publications (1)

Publication Number Publication Date
DE1542438A1 true DE1542438A1 (en) 1970-06-25

Family

ID=23671114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19651542438 Pending DE1542438A1 (en) 1964-12-28 1965-12-27 Process for removing water from finely divided solids

Country Status (6)

Country Link
US (1) US3327402A (en)
BE (1) BE674350A (en)
DE (1) DE1542438A1 (en)
FR (1) FR1461935A (en)
GB (1) GB1085270A (en)
NL (1) NL6516947A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680217A (en) * 1970-10-21 1972-08-01 Atlantic Richfield Co Coal processing
US3909213A (en) * 1973-12-17 1975-09-30 Ethyl Corp Desulfurization of coal
US3970541A (en) * 1973-12-17 1976-07-20 Coal Industry (Patents) Limited Gas extraction of coal
US4014104A (en) * 1975-06-23 1977-03-29 Continental Oil Company Drying of lignite using nonaqueous solvents
JPS55145506A (en) * 1979-05-01 1980-11-13 Electric Power Dev Co Ltd Treatment for dehydration of coal-water slurry
US4223449A (en) * 1979-06-27 1980-09-23 Institute Of Gas Technology Heat-efficient method for dewatering solids
US4313737A (en) * 1980-03-06 1982-02-02 Consolidated Natural Gas Service Method for separating undesired components from coal by an explosion type comminution process
CA1151941A (en) * 1980-04-10 1983-08-16 Fouad Z. Saleeb Process for preparing microporous dry soluble coffee product
US4339882A (en) * 1981-07-02 1982-07-20 Internorth, Inc. Organic solid substrate dewatering process utilizing primary and secondary solvents
US4397100A (en) * 1981-12-04 1983-08-09 Internorth, Inc. Organic solid substrate dewatering process based on plug flow contact by an extractive fluid
US4422246A (en) * 1982-03-15 1983-12-27 Shell Oil Company Process for feeding slurry-pressurized and solvent-dewatered coal into a pressurized zone
US4518458A (en) * 1982-09-17 1985-05-21 Hanover Research Corporation Process for removing light oil from solids
US4459762A (en) * 1982-11-18 1984-07-17 Shell Oil Company Solvent dewatering coal
US4498246A (en) * 1983-09-22 1985-02-12 Conoco Inc. Alcohol/heavy liquid drying of coal
US4811494A (en) * 1987-01-07 1989-03-14 Frank Miller Removal of water from carbonaceous solids by use of methyl formate
US4866856A (en) * 1987-10-13 1989-09-19 The Standard Oil Company Solids dewatering process and apparatus
DE3918274A1 (en) * 1989-06-05 1990-12-06 Henkel Kgaa USE OF HYDROXYMISCHETHERS AS A SOLVENT FOR SOLIDS HEATING
US5199185A (en) * 1991-06-20 1993-04-06 Western Dry, Inc. Process and equipment for gaseous desiccation of organic particles
US9004284B2 (en) 2009-10-01 2015-04-14 Vitrinite Services, Llc Mineral slurry drying method and system
CA2783465A1 (en) 2009-10-01 2011-04-07 Ross Technology Corporation Coal fine drying method and system
CN103403132B (en) 2010-11-09 2016-03-16 罗斯科技公司 For the method and composition of moisture-free coal
SG11201807293RA (en) 2016-04-04 2018-09-27 Arq Ip Ltd Solid-liquid crude oil compositions and fractionation processes thereof
US9777235B2 (en) 2016-04-04 2017-10-03 Allard Services Limited Fuel oil compositions and processes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252769A (en) * 1966-05-24 Nagelvoort coal treatment system
US1960917A (en) * 1932-09-09 1934-05-29 Delaware Chemical Engineering Process of treating coal
US2553239A (en) * 1946-08-17 1951-05-15 Christiansen Aage Process for the production of selectively acting bleaching powders, catalysts, and related products on the basis of clays capable of activation
US2567980A (en) * 1949-01-25 1951-09-18 Justin M Tuomy Drying wet wheat gluten

Also Published As

Publication number Publication date
US3327402A (en) 1967-06-27
BE674350A (en) 1966-06-27
NL6516947A (en) 1966-06-29
FR1461935A (en) 1966-12-09
GB1085270A (en) 1967-09-27

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