CA1070086A - Procede de recuperation de la chaux - Google Patents

Procede de recuperation de la chaux

Info

Publication number: CA1070086A
Authority: CA; Canada
Prior art keywords: lime; percent; calcium hypochlorite; slurry; weight
Prior art date: 1975-06-25
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

CA254,350A

Other languages

English (en)

Inventor

Walter J. Sakowski

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.)

Olin Corp

Original Assignee

Olin Corp

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.)

1975-06-25

Filing date

1976-06-08

Publication date

1980-01-22

1976-06-08 Application filed by Olin Corp filed Critical Olin Corp

1980-01-22 Application granted granted Critical

1980-01-22 Publication of CA1070086A publication Critical patent/CA1070086A/fr

Status Expired legal-status Critical Current

Links

235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 196
235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 196
239000004571 lime Substances 0.000 title claims abstract description 196
238000011084 recovery Methods 0.000 title description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 111
ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims abstract description 109
239000002002 slurry Substances 0.000 claims abstract description 108
238000000034 method Methods 0.000 claims abstract description 69
239000011780 sodium chloride Substances 0.000 claims abstract description 56
239000013078 crystal Substances 0.000 claims abstract description 43
239000007864 aqueous solution Substances 0.000 claims abstract description 42
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 156
238000006243 chemical reaction Methods 0.000 claims description 26
239000007787 solid Substances 0.000 claims description 21
239000002245 particle Substances 0.000 claims description 16
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 15
239000001110 calcium chloride Substances 0.000 claims description 15
229910001628 calcium chloride Inorganic materials 0.000 claims description 15
239000007788 liquid Substances 0.000 claims description 12
239000000203 mixture Substances 0.000 claims description 12
150000008044 alkali metal hydroxides Chemical class 0.000 claims description 7
-1 alkali metal salt Chemical class 0.000 claims 4
150000001447 alkali salts Chemical class 0.000 claims 3
229910052783 alkali metal Inorganic materials 0.000 claims 2
229910052784 alkaline earth metal Inorganic materials 0.000 claims 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 37
229910001868 water Inorganic materials 0.000 abstract description 37
239000012535 impurity Substances 0.000 abstract description 24
238000001914 filtration Methods 0.000 abstract description 12
150000001875 compounds Chemical class 0.000 abstract description 8
238000005406 washing Methods 0.000 abstract description 5
230000001376 precipitating effect Effects 0.000 abstract description 4
238000002156 mixing Methods 0.000 description 67
235000011121 sodium hydroxide Nutrition 0.000 description 49
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 34
239000011575 calcium Substances 0.000 description 32
239000000243 solution Substances 0.000 description 32
239000005708 Sodium hypochlorite Substances 0.000 description 30
229960005076 sodium hypochlorite Drugs 0.000 description 30
239000003518 caustics Substances 0.000 description 27
ABONIXOLZDCGIG-UHFFFAOYSA-N calcium;dihypochlorite;dihydrate Chemical compound O.O.[Ca+2].Cl[O-].Cl[O-] ABONIXOLZDCGIG-UHFFFAOYSA-N 0.000 description 21
238000005660 chlorination reaction Methods 0.000 description 18
239000012452 mother liquor Substances 0.000 description 18
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 17
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 17
229910052791 calcium Inorganic materials 0.000 description 17
239000000460 chlorine Substances 0.000 description 17
238000000926 separation method Methods 0.000 description 15
229910052801 chlorine Inorganic materials 0.000 description 14
238000001704 evaporation Methods 0.000 description 14
230000008020 evaporation Effects 0.000 description 14
239000000706 filtrate Substances 0.000 description 13
238000010790 dilution Methods 0.000 description 12
239000012895 dilution Substances 0.000 description 12
239000003513 alkali Substances 0.000 description 11
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 11
239000000047 product Substances 0.000 description 11
150000003839 salts Chemical class 0.000 description 11
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 10
239000000920 calcium hydroxide Substances 0.000 description 10
235000011116 calcium hydroxide Nutrition 0.000 description 10
229910001861 calcium hydroxide Inorganic materials 0.000 description 10
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 8
238000004519 manufacturing process Methods 0.000 description 8
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
238000004458 analytical method Methods 0.000 description 6
239000007844 bleaching agent Substances 0.000 description 6
238000001556 precipitation Methods 0.000 description 6
229910052708 sodium Inorganic materials 0.000 description 6
239000011734 sodium Substances 0.000 description 6
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 5
238000002360 preparation method Methods 0.000 description 5
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
238000013019 agitation Methods 0.000 description 4
230000000694 effects Effects 0.000 description 4
XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 3
WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
229910001902 chlorine oxide Inorganic materials 0.000 description 3
239000012065 filter cake Substances 0.000 description 3
238000000746 purification Methods 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
229910019093 NaOCl Inorganic materials 0.000 description 2
101100409194 Rattus norvegicus Ppargc1b gene Proteins 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000012267 brine Substances 0.000 description 2
229910000019 calcium carbonate Inorganic materials 0.000 description 2
235000010216 calcium carbonate Nutrition 0.000 description 2
238000010960 commercial process Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
230000005496 eutectics Effects 0.000 description 2
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
229940060367 inert ingredients Drugs 0.000 description 2
239000011777 magnesium Substances 0.000 description 2
229910052749 magnesium Inorganic materials 0.000 description 2
229910000000 metal hydroxide Inorganic materials 0.000 description 2
150000004692 metal hydroxides Chemical class 0.000 description 2
238000004064 recycling Methods 0.000 description 2
CPRMKOQKXYSDML-UHFFFAOYSA-M rubidium hydroxide Chemical compound [OH-].[Rb+] CPRMKOQKXYSDML-UHFFFAOYSA-M 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
238000003860 storage Methods 0.000 description 2
MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
241000237074 Centris Species 0.000 description 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
230000002411 adverse Effects 0.000 description 1
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
229910052925 anhydrite Inorganic materials 0.000 description 1
238000010420 art technique Methods 0.000 description 1
RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
229910001863 barium hydroxide Inorganic materials 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 1
YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 description 1
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
235000017168 chlorine Nutrition 0.000 description 1
229910001919 chlorite Inorganic materials 0.000 description 1
229910052619 chlorite group Inorganic materials 0.000 description 1
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
238000000975 co-precipitation Methods 0.000 description 1
230000002844 continuous effect Effects 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
150000004683 dihydrates Chemical class 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
159000000014 iron salts Chemical class 0.000 description 1
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
239000000395 magnesium oxide Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
229910052753 mercury Inorganic materials 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
238000005453 pelletization Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
239000002910 solid waste Substances 0.000 description 1
239000007921 spray Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 description 1
229910001866 strontium hydroxide Inorganic materials 0.000 description 1
230000009182 swimming Effects 0.000 description 1
239000010936 titanium Substances 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/04—Hypochlorous acid
- C01B11/06—Hypochlorites
- C01B11/064—Hypochlorites of alkaline-earth metals
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/03—Preparation from inorganic peroxy compounds, e.g. from peroxysulfates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/23—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using hypohalogenites

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Treatment Of Water By Oxidation Or Reduction (AREA)

CA254,350A 1975-06-25 1976-06-08 Procede de recuperation de la chaux Expired CA1070086A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US59023075A	1975-06-25	1975-06-25

Publications (1)

Publication Number	Publication Date
CA1070086A true CA1070086A (fr)	1980-01-22

Family

ID=24361389

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA254,350A Expired CA1070086A (fr)	1975-06-25	1976-06-08	Procede de recuperation de la chaux

Country Status (12)

Country	Link
JP (1)	JPS524497A (fr)
AU (1)	AU505885B2 (fr)
BE (1)	BE843442A (fr)
BR (1)	BR7604051A (fr)
CA (1)	CA1070086A (fr)
DE (1)	DE2628062A1 (fr)
ES (1)	ES449125A1 (fr)
FR (1)	FR2317228A1 (fr)
GB (1)	GB1524119A (fr)
IT (1)	IT1066160B (fr)
NL (1)	NL7606952A (fr)
ZA (1)	ZA763809B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4196184A (en) *	1972-05-30	1980-04-01	Olin Corporation	Lime recovery process
ATE30393T1 (de) *	1982-11-13	1987-11-15	Schuler Gmbh L	Vorrichtung zum elektrischen widerstandsl\|ngsnaht-quetschnahtschweissen.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3895099A (en) *	1972-05-30	1975-07-15	Olin Corp	Process for manufacture of calcium hydrochlorite
JPS5418238B2 (fr) *	1973-11-28	1979-07-05

1976
- 1976-06-08 CA CA254,350A patent/CA1070086A/fr not_active Expired
- 1976-06-15 AU AU14895/76A patent/AU505885B2/en not_active Expired
- 1976-06-21 IT IT50056/76A patent/IT1066160B/it active
- 1976-06-22 GB GB25908/76A patent/GB1524119A/en not_active Expired
- 1976-06-23 ES ES449125A patent/ES449125A1/es not_active Expired
- 1976-06-23 BR BR7604051A patent/BR7604051A/pt unknown
- 1976-06-23 DE DE19762628062 patent/DE2628062A1/de not_active Withdrawn
- 1976-06-24 FR FR7619280A patent/FR2317228A1/fr active Granted
- 1976-06-24 JP JP51074962A patent/JPS524497A/ja active Granted
- 1976-06-25 NL NL7606952A patent/NL7606952A/xx not_active Application Discontinuation
- 1976-06-25 ZA ZA00763809A patent/ZA763809B/xx unknown
- 1976-06-25 BE BE168344A patent/BE843442A/fr unknown

Also Published As

Publication number	Publication date
JPS5529923B2 (fr)	1980-08-07
DE2628062A1 (de)	1977-01-20
ES449125A1 (es)	1977-07-01
GB1524119A (en)	1978-09-06
BR7604051A (pt)	1977-07-05
FR2317228A1 (fr)	1977-02-04
AU1489576A (en)	1977-12-22
FR2317228B1 (fr)	1981-08-07
IT1066160B (it)	1985-03-04
ZA763809B (en)	1978-02-22
NL7606952A (nl)	1976-12-28
JPS524497A (en)	1977-01-13
BE843442A (fr)	1976-12-27
AU505885B2 (en)	1979-12-06

Legal Events

Date	Code	Title	Description
1997-01-22	MKEX	Expiry

Publication	Publication Date	Title
US3895099A (en)	1975-07-15	Process for manufacture of calcium hydrochlorite
US4147761A (en)	1979-04-03	Hypochlorous acid process using sweep reactor
US4310690A (en)	1982-01-12	Preparation of the calcium salt of α-hydroxy-gamma-methylmercaptobutyric acid
US4196184A (en)	1980-04-01	Lime recovery process
US3950499A (en)	1976-04-13	Process for production of calcium hypochlorite
US4328200A (en)	1982-05-04	Process for producing calcium hypochlorite
US3954948A (en)	1976-05-04	Process for manufacture of calcium hypochlorite
US4337236A (en)	1982-06-29	Process for manufacture of calcium hypochlorite
US3134641A (en)	1964-05-26	Process for the manufacture of calcium hypochlorite
US3803144A (en)	1974-04-09	Continuous production of sodium dichloroisocyanurate dihydrate
US4380533A (en)	1983-04-19	Process for the production of dibasic magnesium hypochlorite
CA1070086A (fr)	1980-01-22	Procede de recuperation de la chaux
US4468377A (en)	1984-08-28	Continuous process for the manufacture of calcium hypochlorite
US20070009423A1 (en)	2007-01-11	Apparatus and Methods For Producing Calcium Chloride, and Compositions and Products Made Therefrom
US3584996A (en)	1971-06-15	Manufacture of calcium hypochlorite
US3872219A (en)	1975-03-18	Process for manufacturing of chlorinated lime solution
US4399117A (en)	1983-08-16	Production of neutral calcium hypochlorite from its dibasic salt
US4390512A (en)	1983-06-28	Process for producing calcium hypochlorite
US4416864A (en)	1983-11-22	Process for calcium hypochlorite
JPS58151303A (ja)	1983-09-08	次亜塩素酸カルシウムの製法
US4108792A (en)	1978-08-22	Calcium hypochlorite composition containing magnesium and process for making same
US4406869A (en)	1983-09-27	Process for producing anhydrous sodium carbonate crystal
US4504457A (en)	1985-03-12	Continuous process for producing granular calcium hypochlorite particles
US4517166A (en)	1985-05-14	Two-stage chlorination process for the production of solid bleaching powder with a high active chlorine content
CA1199472A (fr)	1986-01-21	Methode de production de l'hypochlorite de calcium