IT1025053B - Processo per la concentrazione di acido solforico diluito contenentesale - Google Patents

Processo per la concentrazione di acido solforico diluito contenentesale

Info

Publication number
IT1025053B
IT1025053B IT28597/74A IT2859774A IT1025053B IT 1025053 B IT1025053 B IT 1025053B IT 28597/74 A IT28597/74 A IT 28597/74A IT 2859774 A IT2859774 A IT 2859774A IT 1025053 B IT1025053 B IT 1025053B
Authority
IT
Italy
Prior art keywords
concentration
sulfuric acid
acid containing
containing salt
diluted sulfuric
Prior art date
Application number
IT28597/74A
Other languages
English (en)
Original Assignee
Hoechst 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
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1025053B publication Critical patent/IT1025053B/it

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
    • B01D1/26—Multiple-effect evaporating
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT28597/74A 1973-10-20 1974-10-18 Processo per la concentrazione di acido solforico diluito contenentesale IT1025053B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732352701 DE2352701A1 (de) 1973-10-20 1973-10-20 Verfahren zum aufkonzentrieren salzhaltiger, verduennter schwefelsaeure

Publications (1)

Publication Number Publication Date
IT1025053B true IT1025053B (it) 1978-08-10

Family

ID=5895979

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28597/74A IT1025053B (it) 1973-10-20 1974-10-18 Processo per la concentrazione di acido solforico diluito contenentesale

Country Status (9)

Country Link
US (1) US3992247A (it)
JP (1) JPS5067795A (it)
BE (1) BE821286A (it)
CA (1) CA1048737A (it)
DE (1) DE2352701A1 (it)
FR (1) FR2248235B1 (it)
GB (1) GB1492055A (it)
IT (1) IT1025053B (it)
NL (1) NL7413530A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2632989A1 (de) * 1976-07-22 1978-02-02 Hoechst Ag Verfahren zum regenerieren von schwefelsaeure
DE3938915C1 (it) * 1989-11-24 1991-05-08 Bayer Ag, 5090 Leverkusen, De
FI89901C (fi) * 1990-10-23 1993-12-10 Kemira Oy Reningsfoerfarande
CH682398A5 (de) * 1991-09-13 1993-09-15 Escher Wyss Ag Verfahren zur Energieeinsparung bei der Herstellung von Titandioxid.
DE4139651A1 (de) * 1991-12-02 1993-06-03 Hoechst Ag Verfahren zur abtrennung organischer phosphorverbindungen und weiterer verunreinigungen aus verduennter schwefelsaeure
US5603839A (en) * 1995-09-18 1997-02-18 Cecebe Technologies Inc. Process for the recovery of waste sulphuric acid
CN103373710B (zh) * 2012-04-15 2016-05-11 辽阳环亚废酸再生科技有限公司 从生产苝系列颜料产生的废硫酸中回收硫酸的装置和方法
CN103373711B (zh) * 2012-04-15 2016-05-11 辽阳环亚废酸再生科技有限公司 从生产分散红60＃染料所产生的废硫酸中回收硫酸的装置和方法
CN103351049A (zh) * 2013-06-28 2013-10-16 中国恩菲工程技术有限公司 处理污酸的方法
EP3505225B1 (de) * 2017-12-27 2025-08-27 Christof Global Impact Limited Vorrichtung und verfahren mit einem ablauf zum abzug von flüssigem salz
CN116216653B (zh) * 2023-01-03 2025-06-03 万华化学集团股份有限公司 一种硫酸浓缩在线除盐及防垢的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB390634A (en) * 1931-03-26 1933-04-13 Kestner App Evaporateurs Improved process of and apparatus for the concentration of sulphuric acid to a high density
US1934234A (en) * 1931-04-10 1933-11-07 Texas Co Process for purifying and concentrating acid
GB547600A (en) * 1941-01-09 1942-09-03 Percy Parrish Process for the manufacture of concentrated sulphuric acid

Also Published As

Publication number Publication date
JPS5067795A (it) 1975-06-06
BE821286A (fr) 1975-04-21
DE2352701A1 (de) 1975-06-12
NL7413530A (nl) 1975-04-22
GB1492055A (en) 1977-11-16
CA1048737A (en) 1979-02-20
FR2248235B1 (it) 1979-02-16
FR2248235A1 (it) 1975-05-16
US3992247A (en) 1976-11-16

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