CN102373122B - Inorganic ferrous sulfide passivation abluent - Google Patents
Inorganic ferrous sulfide passivation abluent Download PDFInfo
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- CN102373122B CN102373122B CN 201010251127 CN201010251127A CN102373122B CN 102373122 B CN102373122 B CN 102373122B CN 201010251127 CN201010251127 CN 201010251127 CN 201010251127 A CN201010251127 A CN 201010251127A CN 102373122 B CN102373122 B CN 102373122B
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- China
- Prior art keywords
- abluent
- passivation
- ferrous sulfide
- inorganic ferrous
- fes
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- 238000002161 passivation Methods 0.000 title claims abstract description 29
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims abstract description 10
- JXAZAUKOWVKTLO-UHFFFAOYSA-L sodium pyrosulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OS([O-])(=O)=O JXAZAUKOWVKTLO-UHFFFAOYSA-L 0.000 claims abstract description 6
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims abstract description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 9
- 239000010865 sewage Substances 0.000 abstract description 8
- 238000007670 refining Methods 0.000 abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000011593 sulfur Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 abstract 1
- 235000019801 trisodium phosphate Nutrition 0.000 abstract 1
- 230000002000 scavenging effect Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000005292 vacuum distillation Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009849 deactivation Effects 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003924 oil dispersant Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to an inorganic ferrous sulfide passivation abluent which is characterized in that: the inorganic ferrous sulfide passivation abluent is composed of components of, by mass: 5 to 15% of sodium pyrosulfate, 15 to 35% of hypochlorite, 0.5 to 10% of trisodium phosphate, 0.1 to 5% of sodium bicarbonate, and 35 to 79% of water. The pH value of the product is controlled at 11 to 12. With the inorganic ferrous sulfide passivator, FeS and oil stains on refining equipments can be effectively and quickly removed; and gases such as H2S, micro-molecular sulfur and alcohol in equipments such as towers and containers can be absorbed. Indexes such as COD of the abluent satisfy an oil refinery sewage discharging standard. With the inorganic ferrous sulfide passivation abluent, environment protection problems such as a FeS passivation problem and an abluent waste liquid discharging problem can be well solved.
Description
Technical field
The present invention relates to a kind of inorganic ferrous sulfide passivation abluent.
Background technology
Refinery is when the higher crude oil of refining sulfur-bearing, and the sulfide in the crude oil particularly can produce a large amount of FeS under the effect of catalyzer under hot conditions, and FeS is adsorbed on the e-quipment and pipe of refinery.When equipment was opened in shut-down, FeS contacted with airborne oxygen and strong redox reaction can occur and emit a large amount of heat, causes spontaneous combustion behind the thermal accumlation, causes fire and explosion hazard.FeS passivation clean-out system commonly used mainly is organic chelate mould assembly, acid type, oxygenant (mainly being potassium permanganate) type at present, exists discharging environmental protection (mainly being that COD exceeds standard) not up to standard, equipment corrosion, the heavy metal secondary pollution problems of scavenging solution.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: a kind of inorganic ferrous sulfide passivation abluent is provided, and this product has namely solved the problem of passivation of FeS, can guarantee that again environmental requirement is satisfied in the discharging of scavenging solution.
The technical solution adopted for the present invention to solve the technical problems is: a kind of inorganic ferrous sulfide passivation abluent, it is characterized in that according to the mass percent meter, be comprised of sodium pyrosulfate 5～15%, hypochlorite 15～35%, tertiary sodium phosphate 0.5～10%, sodium bicarbonate 0.1～5% and water 35～79%, the pH value of product is controlled between 11～12.
It is 12～13 low alkali value type Losantin or clorox that described hypochlorite is preferably selected the pH value.
During use, with described clean-out system according to 1 (clean-out system): the mass ratio of 10 (water) is mixed with the aqueous solution.Carry out wash cycles after when in oil refining apparatus, using injectant pump, pharmacy jar, the refining equipment that need to carry out the FeS passivation being connected by pipeline.
The FeS passivator of most all forms by several in tensio-active agent, oil dispersant, emulsifying agent, sweetening agent, sequestrant, the oxygenant etc., although can solve the problem of passivation of FeS, but there are the problems such as medicament COD is higher, heavy-metal pollution, and the present invention namely solves the problem of passivation of FeS, guaranteed that refining equipment the FeS dieseling do not occur when opening maintenance, guarantee that again environmental requirement is satisfied in the discharging of clean-out system.The weakly alkaline clean-out system also has better effects to the sump oil in the cleaning equipment simultaneously, supporting cleaning technique calculates according to related data of the scale of oil refining apparatus, the cycle of operation, feedstock property, monitoring etc., can control effectively to the consumption of ferrous sulfide deactivation cleaning agent, scavenging period, cleaning performance etc.
The beneficial effect that the present invention has is: the ferrous sulfide deactivation cleaning agent of inorganic type can be removed FeS and the sump oil dirt on the refining equipment effectively and quickly, but the H in the equipment such as while absorption tower, container
2The gases such as S, small molecules sulphur, alcohol.The indexs such as clean-out system waste liquid COD satisfy the sewage from oil refinery emission standard.Inorganic ferrous sulfide passivation abluent has solved the problem of passivation of FeS and the environmental issue of clean-out system discharging preferably.
Embodiment
Embodiment one
The mass percent of each component of inorganic ferrous sulfide passivation abluent is: sodium pyrosulfate 5%, pH value are 12 low alkali value type Losantin 35%, tertiary sodium phosphate 10%, sodium bicarbonate 0.1% and water 49.9%.
Inorganic type ferrous sulfide cleaning agent (adding the water dilution of 10 times of weight during use) with above-mentioned configuration carries out FeS passivation, cleaning to refinery the 3rd atmospheric and vacuum distillation unit vacuum distillation tower (C-4), and Sulfur-containing Sewage Stripping Tower (C-6), sour water tank (D25/1,2) are carried out sewage and take off H
2S, NH
3The Passivation Treatment of-N processing and FeS, this Passivation Treatment 10 days consuming time altogether, use 25 tons of (former medicaments of inorganic ferrous sulfide passivation abluent of above-mentioned configuration, do not comprise diluting water), wherein the 3rd atmospheric and vacuum distillation unit vacuum distillation tower (C-4) is with 12 tons, and Sulfur-containing Sewage Stripping Tower (C-6) is with 5 tons, and sour water tank (D25/1,2) is with 8 tons, dieseling does not appear in the equipment after the processing, has eliminated H
2S and RSH reach the condition into the people, and the COD of the clean-out system waste liquid of discharging is all less than 1000mg/L.It is 501mg/L that vacuum distillation tower subtracts end scavenging solution COD; Sulfur-containing Sewage Stripping Tower scavenging solution COD is 586mg/L; Sour water tank scavenging solution COD is 904mg/L.
Embodiment two
The mass percent of each component of inorganic ferrous sulfide passivation abluent is: sodium pyrosulfate 15%, pH value are 12 low alkali value type clorox 15%, tertiary sodium phosphate 0.5%, sodium bicarbonate 5% and water 64.5%.
Inorganic type ferrous sulfide cleaning agent with above-mentioned configuration carries out the ferrous sulfide deactivation processing to refinery's reformer preliminary fractionator (T2101) (comprising return tank and overhead line, water-cooled, air cooling), evaporator tower (T2102) (comprising return tank and overhead line, interchanger).This Passivation Treatment 2 days consuming time altogether, reformer preliminary fractionator (T2101) uses 2.5 tons of above-mentioned inorganic ferrous sulfide passivation abluents, and evaporator tower (T2102) uses 2 tons.Dieseling does not appear in the equipment after the processing, has eliminated H
2S and RSH reach the condition into the people, and the COD of the clean-out system waste liquid of discharging meets pollution exhaust criteria all less than 1000mg/L, permit entering sewage work.
Embodiment three
The mass percent of each component of inorganic ferrous sulfide passivation abluent is: sodium pyrosulfate 10%, pH value are 13 low alkali value type Losantin 25%, tertiary sodium phosphate 5%, sodium bicarbonate 5% and water 55%.
With the inorganic type ferrous sulfide cleaning agent of above-mentioned configuration to the high-pressure separator (V3005) of hydrogenation unit, the Passivation Treatment that light pressure separator (V3006) carries out FeS, this Passivation Treatment 2 days consuming time is altogether used 2 tons of above-mentioned inorganic ferrous sulfide passivation abluents.Dieseling does not appear in the equipment after the processing, has eliminated H
2S and RSH reach the condition into the people, and the COD of the clean-out system waste liquid of discharging meets pollution exhaust criteria all less than 1000mg/L, permit entering sewage work.
Claims (1)
1. inorganic ferrous sulfide passivation abluent, it is characterized in that according to the mass percent meter, formed by sodium pyrosulfate 5～15%, hypochlorite 15～35%, tertiary sodium phosphate 0.5～10%, sodium bicarbonate 0.1～5% and water 35～79%, the pH value of product is controlled between 11～12, and wherein to select the pH value be 12～13 low alkali value type Losantin or clorox to hypochlorite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010251127 CN102373122B (en) | 2010-08-12 | 2010-08-12 | Inorganic ferrous sulfide passivation abluent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010251127 CN102373122B (en) | 2010-08-12 | 2010-08-12 | Inorganic ferrous sulfide passivation abluent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102373122A CN102373122A (en) | 2012-03-14 |
| CN102373122B true CN102373122B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010251127 Active CN102373122B (en) | 2010-08-12 | 2010-08-12 | Inorganic ferrous sulfide passivation abluent |
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| CN (1) | CN102373122B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634423B (en) * | 2012-03-21 | 2013-08-28 | 王春玲 | Deodorizing and passivating cleaning agent for oil refining devices |
| CN102908888B (en) * | 2012-10-18 | 2014-08-20 | 中国石油化工股份有限公司 | Cleaning and passivating device, method and application for ferrous sulfide and hydrothion-containing gas |
| CN102912366B (en) * | 2012-10-18 | 2014-07-09 | 中国石油化工股份有限公司 | Ferrous sulfide passivation cleaning agent and preparation method and application thereof |
| CN102877079B (en) * | 2012-10-26 | 2014-09-10 | 陈守文 | Ferrous sulfide removal method for petroleum industry pipeline and equipment |
| CN103160322A (en) * | 2013-04-03 | 2013-06-19 | 济南瑞东实业有限公司 | Ferrous sulfide passivator and preparation method thereof |
| CN104003447B (en) * | 2014-04-11 | 2015-07-01 | 中国石油化工股份有限公司 | Ferrous sulfide gas phase passivation method |
| CN104263408A (en) * | 2014-10-02 | 2015-01-07 | 济南瑞东实业有限公司 | Environment-friendly composite ferrous sulfide passivator and preparation method thereof |
| CN106221806B (en) * | 2016-08-23 | 2018-01-30 | 南京南炼宏泰技术开发有限公司 | Environment-friendly highly efficient ferrous sulfide deactivation agent and preparation method thereof |
| CN110042019A (en) * | 2019-04-18 | 2019-07-23 | 西安石油大学 | A kind of passivation deodorant cleaning agent and its application method suitable for sulfur Gas Fields |
| CN117866658B (en) * | 2024-03-11 | 2024-07-02 | 淄博康业环保科技有限公司 | Ferrous sulfide passivation deodorant and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410596A (en) * | 2002-11-09 | 2003-04-16 | 中国石油化工集团公司 | Ferrous fulfide fire retarding cleaning agent |
| CN101255383A (en) * | 2008-03-27 | 2008-09-03 | 中国石油化工股份有限公司 | Highly effective ferrous sulfide deactivation cleaning agent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7271137B2 (en) * | 2000-06-29 | 2007-09-18 | Sandia Corporation | Decontamination formulations for disinfection and sterilization |
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- 2010-08-12 CN CN 201010251127 patent/CN102373122B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410596A (en) * | 2002-11-09 | 2003-04-16 | 中国石油化工集团公司 | Ferrous fulfide fire retarding cleaning agent |
| CN101255383A (en) * | 2008-03-27 | 2008-09-03 | 中国石油化工股份有限公司 | Highly effective ferrous sulfide deactivation cleaning agent |
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| CN102373122A (en) | 2012-03-14 |
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