CN101602491A - Sulfur waste acid preparing industrial grade vitriolic method in the Titanium White Production By Sulfuric Acid Process process - Google Patents
Sulfur waste acid preparing industrial grade vitriolic method in the Titanium White Production By Sulfuric Acid Process process Download PDFInfo
- Publication number
- CN101602491A CN101602491A CNA2009101813200A CN200910181320A CN101602491A CN 101602491 A CN101602491 A CN 101602491A CN A2009101813200 A CNA2009101813200 A CN A2009101813200A CN 200910181320 A CN200910181320 A CN 200910181320A CN 101602491 A CN101602491 A CN 101602491A
- Authority
- CN
- China
- Prior art keywords
- sulfuric acid
- acid
- concentration
- titanium white
- sulfur
- 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.)
- Pending
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 49
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 25
- 239000011593 sulfur Substances 0.000 title claims abstract description 25
- 239000002253 acid Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 235000010215 titanium dioxide Nutrition 0.000 title claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 239000005864 Sulphur Substances 0.000 claims abstract description 8
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052683 pyrite Inorganic materials 0.000 claims abstract description 8
- 239000011028 pyrite Substances 0.000 claims abstract description 8
- 238000010612 desalination reaction Methods 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims abstract description 4
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses the sulfur waste acid preparing industrial grade vitriolic method in a kind of Titanium White Production By Sulfuric Acid Process process, comprise the acid of the sulfur waste in the Titanium White Production By Sulfuric Acid Process process through the sulfuric acid that concentrates, the desalination processing obtains 60～70% concentration; The above-mentioned sulfuric acid of step is mixed with the sulfuric acid of 98% concentration, and to sulfuric acid concentration≤90%, the inorganic salt that crystallize out are removed in cooling, import in production of sulfur from pyrite acid or the sulphur system vitriolic technological process as absorption liquid absorption SO again
3Gas makes 〉=sulfuric acid of 98% concentration.The present invention makes full use of the sulfur waste acid in the Titanium White Production By Sulfuric Acid Process process, with SO in production of sulfur from pyrite acid or the sulphur system vitriolic technological process
3Gas absorption turns waste into wealth, decontamination.
Description
Technical field:
The present invention relates to a kind of sulfur waste acid preparing industrial grade vitriolic method.
Background technology:
SO in existing production of sulfur from pyrite acid or the sulphur system vitriolic technological process
3The assimilated efficiency of gas is not good, pollutes big.
Summary of the invention:
The object of the present invention is to provide a kind of sulfur waste acid that makes full use of in the Titanium White Production By Sulfuric Acid Process process, with SO in production of sulfur from pyrite acid or the sulphur system vitriolic technological process
3Sulfur waste acid preparing industrial grade vitriolic method in the Titanium White Production By Sulfuric Acid Process process of gas absorption.
Technical solution of the present invention is:
Sulfur waste acid preparing industrial grade vitriolic method in a kind of Titanium White Production By Sulfuric Acid Process process is characterized in that: comprise the following steps:
(1) acid of the sulfur waste in the Titanium White Production By Sulfuric Acid Process process is handled the sulfuric acid that obtains 60～70% concentration through concentrated, desalination;
(2) sulfuric acid with step (1) mixes with the sulfuric acid of 98% concentration, and to sulfuric acid concentration≤90%, the inorganic salt that crystallize out are removed in cooling, imports in production of sulfur from pyrite acid or the sulphur system vitriolic technological process as absorption liquid absorption SO again
3Gas makes 〉=sulfuric acid of 98% concentration.
In the step (2), the sulfuric acid of step (1) is mixed with the sulfuric acid of 98% concentration, to sulfuric acid concentration be 80%～90%.
The present invention makes full use of the sulfur waste acid in the Titanium White Production By Sulfuric Acid Process process, with SO in production of sulfur from pyrite acid or the sulphur system vitriolic technological process
3Gas absorption turns waste into wealth, decontamination.
The invention will be further described below in conjunction with embodiment.
Embodiment:
Sulfur waste acid preparing industrial grade vitriolic method in a kind of Titanium White Production By Sulfuric Acid Process process comprises the following steps:
(1) with the sulfur waste in Titanium White Production By Sulfuric Acid Process process acid through concentrate, desalination is handled the sulfuric acid that obtains 60～70% concentration (concrete grammar according to the patent No.: 200410041226.2 patents are carried out, and are promptly undertaken by step 1～3 or step 1～2 of embodiment part in this patent disclosure specification sheets);
(2) in the sulfuric acid input nitration mixture container with step (1), the sulfuric acid of 98% concentration that sulfurous iron ore method or sulfur method make is also imported the nitration mixture container and is mixed, to sulfuric acid concentration≤90% (general 80%～90%), be cooled to 25～35 ℃, remove the inorganic salt that crystallize out by conventional pipe filter or chamber-type press filter, import again in production of sulfur from pyrite acid or the sulphur system vitriolic technological process as absorption liquid, absorb SO
3Gas makes 〉=sulfuric acid of 98% concentration.
Claims (2)
1, the acid of the sulfur waste in a kind of Titanium White Production By Sulfuric Acid Process process preparing industrial grade vitriolic method is characterized in that: comprise the following steps:
(1) acid of the sulfur waste in the Titanium White Production By Sulfuric Acid Process process is handled the sulfuric acid that obtains 60～70% concentration through concentrated, desalination;
(2) sulfuric acid with step (1) mixes with the sulfuric acid of 98% concentration, and to sulfuric acid concentration≤90%, the inorganic salt that crystallize out are removed in cooling, imports in production of sulfur from pyrite acid or the sulphur system vitriolic technological process as absorption liquid absorption SO again
3Gas makes 〉=sulfuric acid of 98% concentration.
2, the sulfur waste in the Titanium White Production By Sulfuric Acid Process process according to claim 1 acid preparing industrial grade vitriolic method is characterized in that: in the step (2), the sulfuric acid of step (1) is mixed with the sulfuric acid of 98% concentration, to sulfuric acid concentration be 80%～90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101813200A CN101602491A (en) | 2009-07-01 | 2009-07-01 | Sulfur waste acid preparing industrial grade vitriolic method in the Titanium White Production By Sulfuric Acid Process process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101813200A CN101602491A (en) | 2009-07-01 | 2009-07-01 | Sulfur waste acid preparing industrial grade vitriolic method in the Titanium White Production By Sulfuric Acid Process process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101602491A true CN101602491A (en) | 2009-12-16 |
Family
ID=41468409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101813200A Pending CN101602491A (en) | 2009-07-01 | 2009-07-01 | Sulfur waste acid preparing industrial grade vitriolic method in the Titanium White Production By Sulfuric Acid Process process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101602491A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910594A (en) * | 2012-11-06 | 2013-02-06 | 黄正源 | Method for concentrating waste sulfuric acid by utilizing waste heat of titanium dioxide calcinator |
| CN103663389A (en) * | 2013-11-28 | 2014-03-26 | 周正勇 | Method and equipment for concentrating waste sulfuric acid in alkylate production conducted through sulfuric acid method |
| CN105692566A (en) * | 2016-04-06 | 2016-06-22 | 衢州信步化工科技有限公司 | Regeneration method of residual waste sulfuric acid after chlorine drying |
| CN107010608A (en) * | 2017-05-11 | 2017-08-04 | 梧州圣绿科技有限公司 | A kind of method that utilization titanium white waste acid prepares sulfuric acid |
-
2009
- 2009-07-01 CN CNA2009101813200A patent/CN101602491A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910594A (en) * | 2012-11-06 | 2013-02-06 | 黄正源 | Method for concentrating waste sulfuric acid by utilizing waste heat of titanium dioxide calcinator |
| CN102910594B (en) * | 2012-11-06 | 2014-10-29 | 黄正源 | Method for concentrating waste sulfuric acid by utilizing waste heat of titanium dioxide calcinator |
| CN103663389A (en) * | 2013-11-28 | 2014-03-26 | 周正勇 | Method and equipment for concentrating waste sulfuric acid in alkylate production conducted through sulfuric acid method |
| CN103663389B (en) * | 2013-11-28 | 2015-06-17 | 周正勇 | Method and equipment for concentrating waste sulfuric acid in alkylate production conducted through sulfuric acid method |
| CN105692566A (en) * | 2016-04-06 | 2016-06-22 | 衢州信步化工科技有限公司 | Regeneration method of residual waste sulfuric acid after chlorine drying |
| CN107010608A (en) * | 2017-05-11 | 2017-08-04 | 梧州圣绿科技有限公司 | A kind of method that utilization titanium white waste acid prepares sulfuric acid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3184490A1 (en) | Method for recycling ammonia from low-concentration ammonium chloride wastewater | |
| CN102534187A (en) | Method for treating pyrite cinder by combining acidic leaching with alkaline dissolving | |
| CN102976357A (en) | Method for extracting ammonium sulfate from ammonia desulphurization wastewater by oxidation process | |
| CN105417795A (en) | Desulfurization waste water zero discharging treatment process for coal-fired power plant | |
| CN101602491A (en) | Sulfur waste acid preparing industrial grade vitriolic method in the Titanium White Production By Sulfuric Acid Process process | |
| CN106865826A (en) | The method that desulfurization wastewater is recycled | |
| CN103318918B (en) | A kind of method of purifying and recovering ammonia gas | |
| CN104129816B (en) | A kind of method for titanium dioxide concentrated acid to remove iron | |
| CN103663790A (en) | Treating method of high-hardness wastewater containing phosphorus and fluorine | |
| CN106335918B (en) | A method of producing industrial anhydrous spherical calcium chloride using germanium distillation waste acid | |
| CN105731710A (en) | Comprehensive recycling method of cobalt smelting high-magnesium ammonium sulfate wastewater | |
| CN102531241A (en) | Method for removing nitrogen and phosphorus from sludge anaerobic acidification liquor | |
| CN208594131U (en) | A kind of waste acid resource system | |
| CN204400763U (en) | Tertiary iron phosphate waste water treatment and reclamation device | |
| CN106629757A (en) | Method for removing nitrogen and phosphorus from water by using calcium silicate prepared from silicon recycled from red mud | |
| CN104071805B (en) | A kind of industry subtracts the processing method of carbon emission and solid waste comprehensive utilization | |
| CN103215453B (en) | Method for treating waste residue by using arsenious wastewater in clean mode | |
| CN101973530A (en) | Method for treating waste titanium dioxide acid | |
| CN106430713A (en) | Wet desulphurization wastewater zero-discharge treatment device | |
| CN206069370U (en) | A kind of equipment for processing dinitro benzene spent acid concentrated in vacuo | |
| CN104211106A (en) | Preparation method of rare earth carbonate free of generation of ammonia-nitrogen wastewater | |
| CN106430352B (en) | Delayed coking wastewater treatment agent and preparation method and application method thereof | |
| CN103739054B (en) | Coprocessing method for phenylhydantoin phenolic wastewater and coked phenolic wastewater | |
| CN103523888A (en) | Titanium dioxide wastewater treatment method | |
| CN115124265A (en) | Phosphogypsum purification and purification method capable of realizing full utilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20091216 |