ES8103191A1 - Perfeccionamientos en dispositivos evaporadores de sistema continuo - Google Patents

Perfeccionamientos en dispositivos evaporadores de sistema continuo

Info

Publication number
ES8103191A1
ES8103191A1 ES492363A ES492363A ES8103191A1 ES 8103191 A1 ES8103191 A1 ES 8103191A1 ES 492363 A ES492363 A ES 492363A ES 492363 A ES492363 A ES 492363A ES 8103191 A1 ES8103191 A1 ES 8103191A1
Authority
ES
Spain
Prior art keywords
acid
evaporator
concentrating
sulfuric acid
circulation
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.)
Expired
Application number
ES492363A
Other languages
English (en)
Other versions
ES492363A0 (es
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.)
BERTRAMS AG
Bayer AG
Original Assignee
BERTRAMS AG
Bayer AG
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
Priority claimed from CH551379A external-priority patent/CH641126A5/de
Application filed by BERTRAMS AG, Bayer AG filed Critical BERTRAMS AG
Publication of ES492363A0 publication Critical patent/ES492363A0/es
Publication of ES8103191A1 publication Critical patent/ES8103191A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/88—Concentration of sulfuric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0094—Evaporating with forced circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/02—Evaporators with heating coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/30—Accessories for evaporators ; Constructional details thereof
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/15—Special material
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/19—Acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

DISPOSITIVO EVAPORADOR PARA LA OBTENCION DE ACIDOS CON RECUBRIMIENTO DE ESMALTE. ESTE DISPOSITIVO PRETENDE EVITAR LA CORROSION DE LOS TUBOS DEL CAMBIADOR (3) A CAUSA DEL ACIDO. DEBIDO A QUE LA TEMPERATURA DE TRABAJO ES DE 350G, EL RECUBRIMIENTO DE ESMALTE MANTIENE UNA TENSION RESIDUAL A ESA TEMPERATURA DEL 20 POR 100, APROXIMADAMENTE, DE SU TENSION A TEMPERATURA AMBIENTE. POR ELLO, NO SE FORMAN GRIETAS EN DICHA CAPA, CON LO QUE LOS TUBOS ESTAN PROTEGIDOS. A TRAVES DE LOS TUBOS (2) CIRCULA EN CONTRACORRIENTE EL LIQUIDO CALEFACTOR. EL DEPOSITO SEPARADOR (8) DE VAPOR RECLICLA EL ACIDO MEDIANTE LA BOMBA (10), HASTA ALCANZAR EL 98,3 POR 100 DE CONCENTRACION. EXISTEN VARIANTES CONSTRUCTIVAS.
ES492363A 1979-06-13 1980-06-12 Perfeccionamientos en dispositivos evaporadores de sistema continuo Expired ES8103191A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH551379A CH641126A5 (en) 1979-06-13 1979-06-13 Process and system for regenerating sulphuric acid
DE19803018662 DE3018662A1 (de) 1979-06-13 1980-05-16 Verdampfer zum konzentrieren von mineralsaeure, insbesondere schwefelsaeure

Publications (2)

Publication Number Publication Date
ES492363A0 ES492363A0 (es) 1981-02-16
ES8103191A1 true ES8103191A1 (es) 1981-02-16

Family

ID=25697889

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492363A Expired ES8103191A1 (es) 1979-06-13 1980-06-12 Perfeccionamientos en dispositivos evaporadores de sistema continuo

Country Status (5)

Country Link
US (1) US4274910A (es)
EP (1) EP0021210B1 (es)
CA (1) CA1149722A (es)
ES (1) ES8103191A1 (es)
FI (1) FI67353C (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1144497B (it) * 1981-06-12 1986-10-29 Mc Quay Europa Spa Evaportatore ad espansione diretta facilmente pulibile in particolare per refrigerazione d'acqua
CH654282A5 (de) * 1983-02-09 1986-02-14 Bertrams Ag Verfahren und einrichtung zum konzentrieren und reinigen von organische verunreinigungen enthaltender schwefelsaeure.
DE3409717C2 (de) * 1984-03-16 1994-03-31 Bayer Ag Verfahren zur Herstellung von Nitrobenzol
DE3409719A1 (de) * 1984-03-16 1985-09-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von dinitrotoluol
US8580224B2 (en) 2010-11-22 2013-11-12 Teijin Aramid B.V. Method for increasing the sulfuric acid concentration of a sulfuric acid solution

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854327A (en) * 1927-07-11 1932-04-19 Niagara Electro Chemical Compa Process of making hydrogen peroxide
DE611992C (de) * 1933-04-27 1935-04-12 Ehr Harry Pauling Dipl Ing Dr Verfahren und Vorrichtung zur Konzentration von Abfallschwefelsaeure
DE1233368B (de) * 1962-08-13 1967-02-02 Heraeus Schott Quarzschmelze Verfahren zur kontinuierlichen Destillation von Schwefelsaeure in Apparaturen aus keramischen Werkstoffen
US4014735A (en) * 1973-03-06 1977-03-29 Hch. Bertrams Aktiengesellschaft Concentration and separation of corrosive liquid mixtures
DE2311085A1 (de) * 1973-03-06 1974-09-19 Bayer Ag Trennung von fluessigen aggressiven stoffgemischen
JPS5237662U (es) * 1975-09-10 1977-03-17

Also Published As

Publication number Publication date
ES492363A0 (es) 1981-02-16
EP0021210B1 (de) 1983-07-13
EP0021210A1 (de) 1981-01-07
FI801878A7 (fi) 1980-12-14
FI67353C (fi) 1985-03-11
CA1149722A (en) 1983-07-12
FI67353B (fi) 1984-11-30
US4274910A (en) 1981-06-23

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20010217