CS248287B1 - Method of battery acid preparation - Google Patents

Method of battery acid preparation Download PDF

Info

Publication number
CS248287B1
CS248287B1 CS832022A CS202283A CS248287B1 CS 248287 B1 CS248287 B1 CS 248287B1 CS 832022 A CS832022 A CS 832022A CS 202283 A CS202283 A CS 202283A CS 248287 B1 CS248287 B1 CS 248287B1
Authority
CS
Czechoslovakia
Prior art keywords
acid
sulfuric acid
distilled water
heat exchanger
acid preparation
Prior art date
Application number
CS832022A
Other languages
English (en)
Other versions
CS202283A1 (en
Inventor
Margit Baltrusch
Erich Gossgebauer
Karl-Peter Guenzel
Eberhard Link
Gerhard Uhlig
Ullrich Kritschill
Original Assignee
Margit Baltrusch
Erich Gossgebauer
Guenzel Karl Peter
Eberhard Link
Gerhard Uhlig
Ullrich Kritschill
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 Margit Baltrusch, Erich Gossgebauer, Guenzel Karl Peter, Eberhard Link, Gerhard Uhlig, Ullrich Kritschill filed Critical Margit Baltrusch
Publication of CS202283A1 publication Critical patent/CS202283A1/cs
Publication of CS248287B1 publication Critical patent/CS248287B1/cs

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40Mixing liquids with liquids; Emulsifying
    • B01F23/49Mixing systems, i.e. flow charts or diagrams
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/06Lead-acid accumulators
    • H01M10/08Selection of materials as electrolytes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Secondary Cells (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Description

1
Ha3BaHHe H306peTeHHH
Cnoco6 flJIH ΠρΗΓΟΤΟΒΧΙβΗΗΗ aKKyMýjIHTOpHOň KHCJIOTbl
QgjiaCTb ΠρΗΜβΗΒΗΗΗ H3O6peTeHHH Η3θ6ρβΤβΗΗβ OTHOCHTCH K CMeniHBaHHIO JKHflKOCTeň C WHflKOCTHMH. Η3θ6ρβΤβΗΗεnpHMeHHeTCH, B qaCTHOCTH, flJIH ΠρΗΓΟΤΟΒηβΗΗΗ aKKyMyJIHTOpHOň KHCJIOTbl.
XapaKTepHCTHKa hsběcthhx TexHHnecKHx pemeHHH K HSBeCTHblM TeXHHHeCKHM peffleHHHM OTHOCHTCH ΤΒΚΗβ, ΠΡΗ KOTOpbIX BOfla HaKaMH"BaeTCH b CMecHTejibHbiň cocyfl, a btopmm HacocoM b cocyn, noflaeTCH KOHijeHTpH-poBaHHan cepHan KHCJioTa. KoJiHnecTBa noAaBaeMbix jKHflKocTeň peryjiHpyioTCH Tax,hto nojiynaioiqaHCH CMecb ΗΜββτ HeoSxoflHMyio mioTHocTb. OflHaKO stot cnoco6 HeflaeT flocTaTouHyio TonHocTb. KpoMe τογο, HSBecTHbí cnoco6bi, o6ecneHHBaiomHenojiyneHne onpep,enemtoft iuiothocth CMecn 3a cneT Β3Β€ιοηβηηηη cooTBeTCTBywmHxKOJIHHeCTB BOflbl H KHCJIOTbl ΠΡΗ Heo6xOflHMOCTH B pa3JIHMHbIX COCyflaX, ΠΡΗΗ6ΜcMemHBaHHe BbmojiHHeTCH aBTOMaranecKH hjih BpyHHyio. HeoSxoflHMoe oxjiawfleHHeOCymeCTBJlHeTCH H3BeCTHbIM CHOCOSOM, 3MeeBHKOBbIMH OXJiaflHTejIHMH HJIH nyTeMnponycxaHHH Boaflyxa nepe3 CMecb. B KanecTBe flpyroro pemeHHH mojkho Ha3BaTbcnoco6 CMemHBaHHH, onHcatíHbiň b DE-OS 27 26 223, κοτορωή no3BOJineT CMemneaTbJKHflKOCTH paSJIHHHOň IUIOTHOCTH B OflHOM CMeCHTeJIbHOM COCyfle ΠρΗ HenpepbIBHOMH3MepeHHH IIJIOTHOCTH nyTeM Η3ΜβρεΗΗΗ pa3HOCTH flaBJíeHHH B flByx, pacnoJionceH-Hbix Ha pa3H0ft BbicoTe, 6ap6oTa»Hbix TpyCKax npH BbiflejieHHH Teiuia. HeflocTaT-KOM npH 3TOM HBJIHeTCH HeflOCTaTOHHaH MOmHOCTb CHCTeMbl OXJiaJKfleHHH, T3K K3KOTBOffHTCH MeHbine Tenjia, neM BbiflejineTCH, ητο πρηβοαητ k noBbnneHHio TeMnepa-Typbi. Πρκ TeMnepaType 60° C npHXOflHTCH npexpamaTb noflany khcjioth, T.e. npe-pbiBaTb npouecc CMemHBaHHH, t.k. cncTeMa, cocTonmaH H3 noJiHSTHjieHOBbix cocy-Λοβ, TpyĎOK h apMaTypw He BbiflepscHBaeT 6onee BbicoKyio TeMnepaTypy. 3το πρηβο-αητ κ BecbMa fliiHTejibHOMy npoueccy CMemHBaHHH, b oco6eHHocTH πρκ 6οπβιπηχ.CMenjHBaeMbix KOJiHyecTBax. 248287 2
Uejib n3OĎpereHHH
UeJib H3o6peTeHHH 3aKJironaeTCH b co3flaHHH cnocoóa, no3BOJiaromero npHTOTOBHTbB TeUeHHe ΚΟρΟΤΚΟΓΟ ΒρβΜβΗΗ ÓOJIbUIOe KOJIHHeCTBO aKKyMyjIHTOpHOH KHCJIOTbl.
OnucaHne cynyiocTH H3o6peTeHHH__
TexHH^ecKaH sahana H3o6peTeHHH coctoht b tom, hto6m pa3pa6oTaTb cnocoóflJIH CMeÚlHBaHHH KOHlíeHTpHpOBaHHOH CepHOH KHCJIOTbl C flHCTHJUIHpOBaHHOň BOflOftflo flocTHxeHHH Heo6xo#nMoň nnoTHOCTH npn onpefléJieHHOM BbiflejieHHH Teruia, aTaxace c npoMexyTOHHbíM xpaHeHHeM γοτοβοη aKKyMyjIHTOpHOH khcjio™.
ΠρΗ3Η3ΚΗ H3OÓpeTeHHH IIpn3HaKH H3o6peTeHHH 3aKJironaroTCH b tom, hto flHCTHjuiupoBaHHaa BOfla nofláeT-ch nepe3 Tpy6onpoBOfl b τερΜΟΟτοήκκε h KHCJiOTOCTOňKHe pacxoflHbie CMecnT&amp;nb-Hbie cocyflbl BMeCTHMOCThK) ΠΟ 2000 JI Kaxflbrií. ffiHflKOCTb H3 paCXOflHO-CMeCHTeJIb“Horo cocyfla nepexaHHBaeTCH iiHpKyjuiiiHOHHbíM HacocoM nepe3 Tennoo6MeHHyro 6arapero BHOBb b pacxoflHo-CMecHTejibHbiň cocyfl, npuneM nacTHHHbní ποτοκ momho Ha-npaBJíHTb Henocpep,CTBeHHO κ iíHpKyjiHiiHOHHOMy nacocy nepe3 oSBOflHyro Tpy6y.Ilepep, βχορ,ομ b TennooČMeHHyro óaTapero flO3npyroinHH Hacoc flo6aBjnieT b ahcthji-jiHpoBaHHyro BOfly onpefleneHHbie nopynu KOHijeHTpHpoBaHHOíí cepHOH khcjioth. Πρκ3TOM npOHCXOflHT npHMOH BnpbICK KOHlíeHTpHpOBaHHOH CepHOň KHCJIOTbl B nepeKaHH-BaeMyro cMecb. HenocpeflCTBeHHO 3a MeCTOM cMemHBaHHH peryjiMpyroapiM τερΜΟΜβτ-poM 3aMepneTCH .TeMnepaTypa ajih npeflOTBpamieHHH βο3μο)κηογο neperpeBa. CMecbHHCTHjniHpoBaHHOH Boflbí c khcjiotoh nponycKaeTCH aaTeM προτηβοτοκομ nepe3Tennoo6MeHHyro 6aTapero. PacnonoaíeHHbiň 3a τεπποοβΜβΗΗοή 6aTapeeň BTopoňperyjiHpyromHň τβρΜΟΜετρ cjiyxHT ajih kohtpojih TeMnepaTypbi CMecn, 3HaneHHeκοτοροΗ yflepxHBaeTca npHMepHo Ha ποοτοηηηομ 3HaneHHH 3aflaHHOH TeMnepaTypbiCMecn nepen; ee bboaom b pacxOflHO-CMecHTejibHbiň cocyfl 3a cneT H3MeHeHHH no-flann oxjiaKflaromeň boah. B cjiynae npeBbnueHHH 3aflaHHoro npeflejibHoro 3HaneHHHTeMnepaTypbi H3MeHHeTCH flO3HpoBKa floóaBJíHeMOH KOHiíeHTpHpoBaHHOň cepHoňkhcjioth, oto npeflOTBpamaeT flaJibHeHmee noBbímeHHe TeMnepaTypbi. Ha Hanop-,ηοη CTopoHe Hacoca HaxoflHTCH πρκβορ ajih HenpepbiBHoro H3MepeHHH híiothocthKHCJIOTbl. CMecb, nocTynaroinaii H3 TenjiooÓMeHHoň 6aTapeH MoaceT nóJiHocTbro hjih MacTHHHoocTaBaTbCH b KOHType HHpKyjiHHHOHHoro Hacoca hjih HanpaBjíHTbCH B pacxoflHO-cMecHTejibHbiň cocyfl, oto onpeflejiHeTcn cooTBeTCTByromHM nojioateHHeM βθητηιιη.flaBJíeHne bo sceň CHCTeMe oTperyjiHpoBaHo thkhm o6pa3OM, hto oxnaatflaromaH bo-'fla ΗΘ nonap,aeT B KOHTyp flHpKyJIHflHH CMeCH. IlpOH3BOflHTeJIbHOCTb ycTaHOBKH H3~MeHíieTCH, nyTeM Η3ΜβΗβΗΗΗ HHCJia H BMeCTHMOCTH paCXOflHO-CMeCHTeJIbHblX cocy-ííob. TpyÓonpoBOHbí BbinojiHeHbí H3 CTeKJia, BbiflepKHBaromero TeMnepaTypy flo200° C, H aScOJIJOTHO KOppO3HOHHoyCTOňflHBbI. ΠρΗΜβρ o£y<necTBneHHH_H3o6peTeHH2_
Cnoco6 corjiacHo Η3θ6ρετβΗΗΐο ποηοήηθτ.οη Ha npHMepe Φηγ.1 noflpofiHee. - CxeMaTHnecKoe H3o6paaceHHe ycTaHOBKH pjin npHroTOBJíeHHH cepHoň khcjiotmpa3JIHHHOH nJIOTHOCTH.
Hepe3 pacxoflOMep c npeflsapHTeJibHbíM peryjiHTopoM o6beMHoro noTOKa b Tpy6e3 oflHH hjih HecKOJibKo pacxonHo—cMecHTejibHbix cocyflOB 4 3anojiHHi0TCH onpeflejieH--HblM KOJIHneCTBOM flHCTHJTJIHpOBaHHOH BOffbl. 2482.87 3
Ilocjie bxjhohghhh pHpxyjiHUHOHHoro Hacoca 7 προη3βο^ητοβ περεχβΗχε ahcthiijih-poBaHHoň Boflbí ηερεβ τειυιοοβΜεκΗΗχ 6 oÓpaTHo b pacxopHo-CMecHTejibHbiH co-cy« 4.
Ilepefl flOČaBJíeHneM xoHijeHTpHpoBaHHOH cepHoň xhcjiotm 2 κ RHCTHJiJiHpoBaHHoňBone flO3HpyromnM wacocoM 13 κ TenjiooÓMeHHHxy 6 nonacHa 6μτβ no^aHa oxnaxnaio-maa eopa 1. flo6aBjieHHe xoHueHTpHpoBaHHoň cepHoň xhcjiotm npoH3BORHTCH BnjioTb flo flocraace-HHH ΜβΤΧΗ ypOBHH Ha BOflOMepHOH Tpy6xe paCXOflHO-CMeCHTejIbHOrO cocyfla 4. lípufloCTiraceHHH 3ap,aHHoň npeflejibHoň TeMnepaTypu τερΜΟΜετρω ro TennooČMeHHHxa 6 h 3ahhm BbiKnrouaioT 303HpyjomHň Hacoc 13 h 3aKpbiBaioT 3JiaKTpoMarHHTHbiň KJianaH b TpySa2 flJIH HCXJIIOneHHH OÓpaTHOrO ΠΟΤΟΧε flHCTHJIJIHpOBaHHOň BOflbl X KOHIíBHTpupOBaH-Hoň xncjioTe. TaMnepaTypbi cmbch flo TeiuiooBMeHHHxa 6 h nocne Hero (noxa3bi-BaioTcn Ha τερΜΟΜετρεχ 8) mohcho oTperynHpoBaTb Ha onTHManbHbie 3HaneHHH (bm-coxne TBMnapaTypbi pna ycKopeHna TennonepeflanH b τεπηοοβΜθΗΗΗκε 6) nyTeMH3M8H8HHH nOflaHH OXnajKflaKMUeň BOflbl 1 HJIH flo6aBJI8HHH KOHH8HTpHpOBaHHOň khcjio-Tbi jih6o nyTeM HanpaBJíeHHH nacranHoro noToxa nepe3 oSBOflHyio Tpy6y 14. Πο 33ΒερΐΠεΗΗΗ floGaBJíeHHH XOHH8HTpHpOBaHHOň XHCJIOTbl pa36aBJI8HHaH XHCJlOTaflanee napaxanHBaeTCH hscocom 7 po flocTHweHHH HeoĎxoflHMoň TeMnepaTypbi.CorJiaCHO nOXa3aHHHM H3M8PHT8JIH nflOTHOCTH 11 HJIH p83yjIbTaTaM Η3Μ8Ρ8ΗΗΗ ΠΠΟΤ-HOCTH B3HTMX Πρθ6 flO6HBai0TCH HOMHHaJIbHOH njIOTHOCTH CM8CH nyTeM flO6aBJI8HHHXOHIÍ8HTpHpOBaHHOft XHCJIOTbl HJIH flHCTHJIJIHpOBaHHOií BOflbl.
OopMyna Η3θ6ρετ8ΗΗΗ 1. Cnoco6 fljiH npnroTOBJíeHHH axxyMyjiHTopHoň xhojiotm, b nacTHocTH, flnu cmc-ΠΙΗΒΗΗΗΗ, C8PHOH XHCJIOTbl H flHCTHJIJIHpOBaHHOií BOflbl, ΠρΗΗβΜ npOfleCC CM8HIHBaHHHnpoTexacT c BbifleneHHeM Tenna, OTJiHnaiomaccH τεΜ, ητο CMeniHBaeMbie jkhaxocthπερεβ nOCTynJI8HH8M B paCXOflHO-CMeCHTenbHblň COCyfl (4) nponyexaiOTCH H8P83T8nJIOO6M8HHyW 6aTap8IO (6), Η HTO flO3HpOBaHHOe ΧΟΙΙΗΗεΟΤΒΟ XOHUBHTpHpOBaH-HOÍÍ CCpHOH XHCJIOTbl, flo6aBJIH8MOH HpHMblM BnpbICXOM, H3M8HH8TCH HpH ΠρεΒΜΙΠε-HHH npCflCJIbHOrO 3HaHCHHH TCMnCpaTypbl p8ryjIHpyi0m(HMH TCpMOMCTpaMH (8), CJiy-KamHMH flJIH ΗεπρερΗΒΗΟΓΟ XOHTPOJIH CM8CH H paCnOflOHCeHHblMH flO τειυιοοβΜβΗΗοήCaTapen (6) h 3a hch. 2. Cnoco6 fljia npHroTOBjíGHHH axxyMyjiHTopHOH xhcjioth, corjiacHO nyHKTy 1 ,OTJIHHaiOmHňCH T8M, HTO npOfleCC CMeilIHBaHHH flHCTHJIJIHpOBaHHOň BOflbl H CGpHOňXHCJIOTbl npoTexacT npeflnoHTHTenbHo b flHanaaóHG TeMncpaTyp +20°C .,,+90 C.IIpHJioaccHHc: Φηγ. Ha 1 jihctc
AHHOTaflHH
Cnoco6 ΡΠΒ npHrOTOBJIGHHH aXXyMyjIHTOpHOft XHCJIOTbl Μ3θ6ρεΤ8ΗΗε OTHOCHTCH X CM8DIHBΒΗΗΚ) JKHflXOCTeň C JKHflXOCTHMH. H3O6p8TCHHCnpHM8HH8TCH, B HHCTHOCTH, flJIH ΠρΗΓΟΤΟΒϋεΗΗΗ aXXyMyjIHTOpHOň XHCJIOTbl. UGJIb Η3θ6ρετεΗΗΗ 3aXJII0Ha8TCH B CO3flaHHH CnOCOČa, nO3BOJIH10q8ro npHrOTOBJIHTb'B TGHGHHG OTHOCHTCJIbHO ΧΟρΟΤΧΟΓΟ BpGMCHH 6OJIbfflO8 XOJIHH8CTBO axxyMyjiHTopHoňXHCJIOTbl.
TexHHHecxan 3aflana H3o6pgtghhh coctoht b tom, htoSh coaflan cnocofi h ycTpoň-CTBOflHH CMGDIHBaHHH ΚΟΗΗ8ΗΤρΗρθΒ3ΗΗθβ CGpHOň XHCJIOTbl C flHCTHJIJIHpOBaHHOň BO“ΡθΆ Ρ,Ο flOCTHHCCHHfl HeoSxOflHMOň njIOTHOCTH npH Onp8flGJI8HHOM BbWCJIGHHH TCnjia,a Tax»G c npoMexyTowHMM xphhchhcm totoboíí axxyMyjiHTopHoň xhcjiotm. 248287 4 CMemnBaeMbie jkhakocth προχοαητ nepe3 Tenjioo6MeHHyw OaTapeio w flO3HpoBKaHjSt^ npoH3BOflHTC.H c πομοπ?βη) peryjiMpyiomero TspMOMeTpa. 06naCTb npHMeH6HH3 OrpaHHWHBaeTCH ΠρΗΓΟΤΟΒΠβΗΗβΜ aKKyMyjIBTOpHOÍil KHCJlOTbl. IIpH3HaHO Η3θ6ρβΤΘΗΗβΜ ΠΟ pe3yJIbTaTaM 3KCnepTH3bl, OCymeCTBJíeHHOň BeflOMCTBOMno flenaM H3OÓpeTeHHft η naTeHTOB TOP. 1 nepTeac 248287

Claims (2)

  1. 248 28? pRbdmSt vynálezu
    1. Způsob přípravy akumulátorové kyseliny, zvláště míšeníkyseliny sírové a destilované vody, přičemž proces míšeníprobíhá za současného uvolňování tepla, vyznačující setím, Že se míšené kapaliny před přivedením do průtokovémísící nádoby vedou přes výměník tepla, a že dávkovanémnožství koncentrované kyseliny sírové, přiváděné přímýmvstřikováním, se mění při překročení hodnoty limitní tep-loty regulačními teploměry, které jsou určeny pro nepřetr-žitou kontrolu směsi, a jsou umístěny ve výměníku tepla a za ním.
  2. 2. Způsob přípravy akumulátorové kyseliny podle bodu 1, vyzna-čující se tím, že proces míšení destilované vody a kyselinysírové probíhá zejména v rozmezí teplot 20 °C až 90 °C.
CS832022A 1982-04-08 1983-03-24 Method of battery acid preparation CS248287B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD82238929A DD220485A3 (de) 1982-04-08 1982-04-08 Verfahren zum herstellen von akkusaeure

Publications (2)

Publication Number Publication Date
CS202283A1 CS202283A1 (en) 1985-08-15
CS248287B1 true CS248287B1 (en) 1987-02-12

Family

ID=5537852

Family Applications (1)

Application Number Title Priority Date Filing Date
CS832022A CS248287B1 (en) 1982-04-08 1983-03-24 Method of battery acid preparation

Country Status (4)

Country Link
CS (1) CS248287B1 (cs)
DD (1) DD220485A3 (cs)
DE (1) DE3310119A1 (cs)
HU (1) HU189258B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118961C2 (de) * 1991-06-08 1995-09-28 Kodak Ag Verfahren und Vorrichtung zum Zuführen von Zusatzflüssigkeit, insbesondere von Zusätzen zu einer fotografischen Behandlungsflüssigkeit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD111624A3 (cs) * 1972-11-03 1975-03-12
SE422007B (sv) * 1976-07-02 1982-02-15 Nordiska Ackumulator Fabriker Anordning for att framstella en blandning av svavelsyra och vatten

Also Published As

Publication number Publication date
DE3310119C2 (cs) 1990-04-26
HUT35973A (en) 1985-08-28
CS202283A1 (en) 1985-08-15
DD220485A3 (de) 1985-03-27
HU189258B (en) 1986-06-30
DE3310119A1 (de) 1983-10-20

Similar Documents

Publication Publication Date Title
JPS5314173A (en) Heat regenerating material
GB1471093A (en) Method for recovering terephthalic acid and ethylene glycol from polyester materials
CS248287B1 (en) Method of battery acid preparation
EP1078884A3 (en) Manufacturing process for quaternary ammonium tannate, a vegetable coagulating/flocculating agent
JPS52103390A (en) Removal of acidic substances from reaction product
JPS56118475A (en) Water-repellent adhesive composition for wood
JPS5681137A (en) Ion exchange resin
ES8105160A1 (es) Un procedimiento para poner en contacto liquido con liquido
JPS565133A (en) Preparation of removing agent for sulfureous malodorant substance
IE34377L (en) Polymeric electrolytes
GB1240711A (en) Reactor vessels
JPS54121297A (en) Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture
JPS56144756A (en) Selective floatation
JPS5536231A (en) Removal of free formaldehyde
HILBORN et al. Human factors experiments for data link(coding of air traffic control messages)[Interim Report, Aug. 1972- Jan. 1973]
Scott et al. The U. S. sulphite industry faces present and future waste control needs
JPS5246290A (en) Ph control system of waste fluid
JPS5674179A (en) Back-filling process
JPS5544352A (en) Electrodialytic method
MORIN et al. STUDY OF CHELATED MIXTURES OF FERRIC IONS WITH NITRILOTRIACETIC, SULFO-5-SALICYLIC AND PYROCATECHOL-3, 5-DISULFONIC ACIDS,(IN FRENCH)
GB1440530A (en) Wet air oxidation
Rokita Review of the Behaviour of Corrosion-Proof Steels in Solutions of Phosphoric Acid
JPS55100912A (en) Utilization of converter slug
JPS55132631A (en) Preparation of microcapsule containing hydrophobic oil-drop
JPS55152506A (en) Recovery method for valuable substance from waste acid