NL150079B - PROCESS FOR RELEASING 55- TO 85-BY-WEIGHT PROCENTS OF SULFURIC ACID FROM HEAVY METAL POLLUTANTS. - Google Patents

PROCESS FOR RELEASING 55- TO 85-BY-WEIGHT PROCENTS OF SULFURIC ACID FROM HEAVY METAL POLLUTANTS.

Info

Publication number: NL150079B
Authority: NL; Netherlands
Prior art keywords: procents; releasing; weight; sulfuric acid; heavy metal
Prior art date: 1969-06-16

Application number

NL707008726A

Other languages

Dutch (nl)

Other versions

NL7008726A (en

Original Assignee

Inventa 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.)

1969-06-16

Filing date

1970-06-15

Publication date

1976-07-15

1970-06-15 Application filed by Inventa Ag filed Critical Inventa Ag

1970-12-18 Publication of NL7008726A publication Critical patent/NL7008726A/xx

1976-07-15 Publication of NL150079B publication Critical patent/NL150079B/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- 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
- C01B17/90—Separation; Purification
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Treatment Of Water By Ion Exchange (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Detergent Compositions (AREA)
Manufacture And Refinement Of Metals (AREA)

NL707008726A 1969-06-16 1970-06-15 PROCESS FOR RELEASING 55- TO 85-BY-WEIGHT PROCENTS OF SULFURIC ACID FROM HEAVY METAL POLLUTANTS. NL150079B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH913869A CH511190A (en)	1969-06-16	1969-06-16	Process for removing 55-85% sulfuric acid from its contamination by metals and / or semi-metals

Publications (2)

Publication Number	Publication Date
NL7008726A NL7008726A (en)	1970-12-18
NL150079B true NL150079B (en)	1976-07-15

Family

ID=4348732

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL707008726A NL150079B (en)	1969-06-16	1970-06-15	PROCESS FOR RELEASING 55- TO 85-BY-WEIGHT PROCENTS OF SULFURIC ACID FROM HEAVY METAL POLLUTANTS.

Country Status (13)

Country	Link
KR (1)	KR780000403B1 (en)
AT (1)	AT297748B (en)
BR (1)	BR7019749D0 (en)
CH (1)	CH511190A (en)
DE (1)	DE2029117C3 (en)
ES (1)	ES380730A1 (en)
FR (1)	FR2052583A5 (en)
GB (1)	GB1304254A (en)
IE (1)	IE34300B1 (en)
NL (1)	NL150079B (en)
RO (1)	RO61032A (en)
TR (1)	TR17373A (en)
YU (1)	YU36133B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3947561A (en) *	1973-10-02	1976-03-30	St. Joe Minerals Corporation	Method of removing mercury from sulfuric acid
JPS59162108A (en) *	1983-03-03	1984-09-13	Tadao Nagai	Washing of solution of sulfuric acid
DE3726047A1 (en) *	1987-08-06	1989-02-16	Bayer Ag	METHOD FOR SEPARATING METAL SULFATES FROM SULFURIC ACID
US5009868A (en) *	1987-12-14	1991-04-23	East Penn Manufacturing Co., Inc.	Process for the extended use of strip acid employed in the reclamation of battery acid fluid from expanded lead-acid batteries
EP1964811B1 (en) *	2007-02-28	2016-11-30	China Petrochemical Development Corporation	Method for preparing hydroxylammonium phosphate

1969
- 1969-06-16 CH CH913869A patent/CH511190A/en not_active IP Right Cessation
1970
- 1970-05-28 RO RO63488A patent/RO61032A/ro unknown
- 1970-06-12 DE DE2029117A patent/DE2029117C3/en not_active Expired
- 1970-06-13 ES ES380730A patent/ES380730A1/en not_active Expired
- 1970-06-15 TR TR17373A patent/TR17373A/en unknown
- 1970-06-15 KR KR7000837A patent/KR780000403B1/en active
- 1970-06-15 GB GB2890370A patent/GB1304254A/en not_active Expired
- 1970-06-15 NL NL707008726A patent/NL150079B/en not_active IP Right Cessation
- 1970-06-15 IE IE770/70A patent/IE34300B1/en unknown
- 1970-06-15 AT AT536570A patent/AT297748B/en not_active IP Right Cessation
- 1970-06-15 FR FR7021903A patent/FR2052583A5/fr not_active Expired
- 1970-06-15 BR BR219749/70A patent/BR7019749D0/en unknown
- 1970-08-15 YU YU1512/70A patent/YU36133B/en unknown

Also Published As

Publication number	Publication date
YU36133B (en)	1982-02-25
IE34300L (en)	1970-12-16
DE2029117C3 (en)	1978-10-05
DE2029117B2 (en)	1978-02-02
CH511190A (en)	1971-08-15
KR780000403B1 (en)	1978-10-10
BR7019749D0 (en)	1973-01-25
GB1304254A (en)	1973-01-24
DE2029117A1 (en)	1970-12-23
AT297748B (en)	1972-04-10
FR2052583A5 (en)	1971-04-09
YU151270A (en)	1981-02-28
ES380730A1 (en)	1972-08-16
RO61032A (en)	1976-07-15
NL7008726A (en)	1970-12-18
IE34300B1 (en)	1975-04-02
TR17373A (en)	1975-03-24

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NL169608C (en)	1982-08-02	METHOD FOR HYDROFORMING NAFTA.
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NL7410136A (en)	1975-01-28	PROCESS FOR DESULFURIZING GASES AND PROCESS FOR THE PREPARATION OF SULFURIC ACID.

Legal Events

Date	Code	Title	Description
1982-02-16	V1	Lapsed because of non-payment of the annual fee
1990-06-30	NL80	Abbreviated name of patent owner mentioned of already nullified patent	Owner name: INVENTA