FR2302971A2 - Procede de traitement des eaux residuaires contenant de l'acide sulfurique - Google Patents

Procede de traitement des eaux residuaires contenant de l'acide sulfurique

Info

Publication number
FR2302971A2
FR2302971A2 FR7507330A FR7507330A FR2302971A2 FR 2302971 A2 FR2302971 A2 FR 2302971A2 FR 7507330 A FR7507330 A FR 7507330A FR 7507330 A FR7507330 A FR 7507330A FR 2302971 A2 FR2302971 A2 FR 2302971A2
Authority
FR
France
Prior art keywords
soln
stage
sulphur
contg
cao
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.)
Granted
Application number
FR7507330A
Other languages
English (en)
French (fr)
Other versions
FR2302971B2 (enExample
Inventor
Jacques Alagy
Christian Busson
Maurice Cessou
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7507330A priority Critical patent/FR2302971A2/fr
Priority to IT25914/75A priority patent/IT1040230B/it
Priority to US05/603,621 priority patent/US4039649A/en
Priority to GB33396/75A priority patent/GB1524233A/en
Priority to NL7509615A priority patent/NL7509615A/xx
Priority to DE19752535886 priority patent/DE2535886A1/de
Priority to ES440213A priority patent/ES440213A1/es
Priority to JP50099065A priority patent/JPS5145456A/ja
Priority to CA233,391A priority patent/CA1066021A/fr
Priority to NO752818A priority patent/NO139382C/no
Publication of FR2302971A2 publication Critical patent/FR2302971A2/fr
Application granted granted Critical
Publication of FR2302971B2 publication Critical patent/FR2302971B2/fr
Granted 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
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/05—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by wet processes
    • 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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
FR7507330A 1974-08-14 1975-03-06 Procede de traitement des eaux residuaires contenant de l'acide sulfurique Granted FR2302971A2 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7507330A FR2302971A2 (fr) 1975-03-06 1975-03-06 Procede de traitement des eaux residuaires contenant de l'acide sulfurique
IT25914/75A IT1040230B (it) 1974-08-14 1975-07-30 Procedimento di trattamento di acque residue contenenti acido solforico
GB33396/75A GB1524233A (en) 1974-08-14 1975-08-11 Recovery of sulphur values from sulphuric-acid-containing aqueous liquid
US05/603,621 US4039649A (en) 1974-08-14 1975-08-11 Process for removing sulfur from waste waters containing sulfuric acid
NL7509615A NL7509615A (nl) 1974-08-14 1975-08-12 Werkwijze voor de behandeling van zwavelzuur bevattend afvalwater.
DE19752535886 DE2535886A1 (de) 1974-08-14 1975-08-12 Behandlung von schwefelsaeure enthaltendem rueckstandswasser zur schwefelgewinnung
ES440213A ES440213A1 (es) 1974-08-14 1975-08-12 Un procedimiento de tratamiento de un agua residual.
JP50099065A JPS5145456A (en) 1974-08-14 1975-08-13 Ryusano fukumu haisuino jokahoho
CA233,391A CA1066021A (fr) 1974-08-14 1975-08-13 Procede de traitement d'eaux residuaires contenant de l'acide sulfurique
NO752818A NO139382C (no) 1974-08-14 1975-08-13 Fremgangsmaate til behandling av avfallsvann som inneholder svovelsyre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7507330A FR2302971A2 (fr) 1975-03-06 1975-03-06 Procede de traitement des eaux residuaires contenant de l'acide sulfurique

Publications (2)

Publication Number Publication Date
FR2302971A2 true FR2302971A2 (fr) 1976-10-01
FR2302971B2 FR2302971B2 (enExample) 1979-02-09

Family

ID=9152319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7507330A Granted FR2302971A2 (fr) 1974-08-14 1975-03-06 Procede de traitement des eaux residuaires contenant de l'acide sulfurique

Country Status (1)

Country Link
FR (1) FR2302971A2 (enExample)

Also Published As

Publication number Publication date
FR2302971B2 (enExample) 1979-02-09

Similar Documents

Publication Publication Date Title
DK0455285T3 (da) Fremgangsmåde til rensning af en gas indeholdende H2S og CO2
MX6297E (es) Procedimiento para la purificacion de agua residual que contiene urea,conjuntamente con la separacion de nh3 y co2 substancialmente puros
ATE111055T1 (de) Verfahren zum entfärben von schwefelsäure aus der säureherstellung.
FR2302971A2 (fr) Procede de traitement des eaux residuaires contenant de l'acide sulfurique
FR2281900A1 (fr) Procede de traitement d'eaux residuaires contenant de l'acide sulfurique
FR2260532A1 (en) Ammonia removed from aq. effluents by stripping with air - with subsequent absorption of ammonia in acid soln and recirculation of air
ATE45131T1 (de) Verfahren zum gewinnen von ammoniak aus einem ammoniak, kohlendioxyd und schwefelwasserstoff enthaltenden abwasser.
US3984529A (en) Process for recovering sulfur by removal of sulfur dioxide from gaseous mixtures
GB1005977A (en) Improvements in or relating to processes for treating gaseous effluents
GB785561A (en) Regeneration of ammonia-sulphur dioxide cooking acid used in production of wood pulp
DE3476792D1 (en) Process for removing ammonia from a gas containing sulphurous acid anhydride
GB773462A (en) Improvements in or relating to the manufacture of melamine
DE59807725D1 (de) Verfahren zur Rückgewinnung von Schwefelsäure aus schwefelhaltigen Nebenprodukten eines Prozesses zur Herstellung von 2-Hydroxy-4-methylthiobuttersäure (MHA)
GB1100410A (en) A process of recovering hydrochloric acid used in a pickup bath in which sheet carbon steel has been treated
DE3868186D1 (de) Verfahren zur herstellung von umsetzungsprodukten epoxidierter ricinolsaeureglyceride mit schwefeltrioxid.
FR2338738A1 (fr) Procede de regeneration des absorbants pour l'epuration des gaz contenant de l'hydrogene sulfure ou de l'anhydride sulfureux
DE59602478D1 (de) Verfahren zur Herstellung von Thioglykolsäure
SE8000764L (sv) Forfarande for att rena avgaser med sura komponenter eller dylikt, serskilt so?712
JPS5288268A (en) Desulfurization of exhaust flue gas
FR2152666A1 (en) Sulphur dioxide/trioxide removal - from waste gases using amine soln and regeneration with lime
KR930023630A (ko) H2s의 연소방법 및 이것과 관련된 클라우스 공정
FR2233278A1 (en) Sulphur recovery from desulphurisation effluent etc. - by dissociating hydrogen sulphide and rapid cooling to collect sulphur
FR2142715A1 (en) Removing sulphur dioxide - from gases by use of ammonia or ammonium sulphite solns
NL7203993A (en) Treating chromium contg ind effluents - by neutralising with ammonia, heating and drying
GB2014978A (en) Removal of ammonia from sludge liquor