CA933724A - Regeneration of sulfuric acid from sludges - Google Patents

Regeneration of sulfuric acid from sludges

Info

Publication number
CA933724A
CA933724A CA074440A CA74440A CA933724A CA 933724 A CA933724 A CA 933724A CA 074440 A CA074440 A CA 074440A CA 74440 A CA74440 A CA 74440A CA 933724 A CA933724 A CA 933724A
Authority
CA
Canada
Prior art keywords
sludges
regeneration
sulfuric acid
sulfuric
acid
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
CA074440A
Inventor
Z. Hurlburt Harvey
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.)
Stauffer Chemical Co
Original Assignee
Stauffer Chemical Co
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 Stauffer Chemical Co filed Critical Stauffer Chemical Co
Application granted granted Critical
Publication of CA933724A publication Critical patent/CA933724A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
    • C01B17/50Preparation of sulfur dioxide
    • C01B17/58Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
CA074440A 1969-02-11 1970-02-10 Regeneration of sulfuric acid from sludges Expired CA933724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79836269A 1969-02-11 1969-02-11

Publications (1)

Publication Number Publication Date
CA933724A true CA933724A (en) 1973-09-18

Family

ID=25173195

Family Applications (1)

Application Number Title Priority Date Filing Date
CA074440A Expired CA933724A (en) 1969-02-11 1970-02-10 Regeneration of sulfuric acid from sludges

Country Status (7)

Country Link
BE (1) BE745758A (en)
BR (1) BR7016687D0 (en)
CA (1) CA933724A (en)
DE (1) DE2005905A1 (en)
FR (1) FR2032846A5 (en)
GB (1) GB1288851A (en)
NL (1) NL7001861A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091679B1 (en) * 1982-04-14 1986-01-29 Allied Corporation Thermal decomposition of waste sulfuric acid
GB8610856D0 (en) * 1986-05-02 1986-06-11 Boc Group Plc Treatment of waste material
GB2190909B (en) * 1986-05-02 1990-05-02 Boc Group Plc Treatment of waste material
DK98191A (en) * 1991-05-24 1992-11-25 Haldor Topsoe As PROCEDURE FOR THE REGENERATION OF PURIFIC SULFURIC ACID
US5628976A (en) * 1995-10-17 1997-05-13 Air Products And Chemicals Cofiring biosolids in a spent sulfuric acid regeneration facility
US10640376B2 (en) 2016-07-21 2020-05-05 Haldor Topsoe A/S Process for the production of sulfur trioxide

Also Published As

Publication number Publication date
BE745758A (en) 1970-08-10
BR7016687D0 (en) 1973-01-23
GB1288851A (en) 1972-09-13
DE2005905A1 (en) 1970-09-03
NL7001861A (en) 1970-08-13
FR2032846A5 (en) 1970-11-27

Similar Documents

Publication Publication Date Title
CA933724A (en) Regeneration of sulfuric acid from sludges
CA975792A (en) Hydroxamic acid derivatives of alfa-aminooxycarboxylic
CA930324A (en) Purification of alkoxyacetones
CA917880A (en) Process for the purification of phosphoric acid
AU439168B2 (en) Regeneration of sulfuric acid from sludges
AU1123370A (en) Regeneration of sulfuric acid from sludges
CA828060A (en) Production of sulfuric acid
CA830369A (en) Purification of hydrocarbon-contaminated sulfuric acid
CA782525A (en) Regeneration of sulfuric acid
CA923680A (en) Removal of phosphate from hexafluorosilicic acid solution
CA879082A (en) Purification of sorbic acid
CA804520A (en) Purification of phosphoric acid
CA825208A (en) Acid purification
AU416634B2 (en) Improvements inthe production of sulphuric acid
CA923845A (en) Method for the electroextraction of zinc from its sulfuric acid solutions
CA814344A (en) Utilization of phosphoric acid sludge
CA801783A (en) Purification of formic acid
AU1782570A (en) Decolorizing sulfuric acid
CA826622A (en) Acid etch
CA824603A (en) Purifying phosphoric acid
AU443792B2 (en) Recovery of used sulfuric acid alkylation catalyst
CA822707A (en) Purification of terephthalic acid
CA784143A (en) Method of treating sulfuric acid sludges
CA807587A (en) Production of sulfuric acid
CA827040A (en) Production of sulfuric acid