CN103864196A - Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument - Google Patents
Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument Download PDFInfo
- Publication number
- CN103864196A CN103864196A CN201410101625.7A CN201410101625A CN103864196A CN 103864196 A CN103864196 A CN 103864196A CN 201410101625 A CN201410101625 A CN 201410101625A CN 103864196 A CN103864196 A CN 103864196A
- Authority
- CN
- China
- Prior art keywords
- waste liquid
- concentration
- potassium permanganate
- line determination
- produces
- 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
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 69
- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004448 titration Methods 0.000 title abstract 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052760 oxygen Inorganic materials 0.000 title abstract 2
- 239000001301 oxygen Substances 0.000 title abstract 2
- 239000000126 substance Substances 0.000 title abstract 2
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 230000001131 transforming effect Effects 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 18
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 27
- 239000006228 supernatant Substances 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 6
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000001117 sulphuric acid Substances 0.000 claims description 4
- 235000011149 sulphuric acid Nutrition 0.000 claims description 4
- 238000010561 standard procedure Methods 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 3
- 229910021577 Iron(II) chloride Inorganic materials 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 231100000086 high toxicity Toxicity 0.000 abstract 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 abstract 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 abstract 1
- 231100000053 low toxicity Toxicity 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 30
- 239000011572 manganese Substances 0.000 description 19
- 150000002500 ions Chemical class 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 229910001385 heavy metal Inorganic materials 0.000 description 10
- 231100000419 toxicity Toxicity 0.000 description 6
- 230000001988 toxicity Effects 0.000 description 6
- 230000002110 toxicologic effect Effects 0.000 description 5
- 231100000027 toxicology Toxicity 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- DOBUSJIVSSJEDA-UHFFFAOYSA-L 1,3-dioxa-2$l^{6}-thia-4-mercuracyclobutane 2,2-dioxide Chemical compound [Hg+2].[O-]S([O-])(=O)=O DOBUSJIVSSJEDA-UHFFFAOYSA-L 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910000372 mercury(II) sulfate Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410101625.7A CN103864196B (en) | 2014-03-19 | 2014-03-19 | Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410101625.7A CN103864196B (en) | 2014-03-19 | 2014-03-19 | Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103864196A true CN103864196A (en) | 2014-06-18 |
CN103864196B CN103864196B (en) | 2015-03-11 |
Family
ID=50903283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410101625.7A Active CN103864196B (en) | 2014-03-19 | 2014-03-19 | Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103864196B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105588927A (en) * | 2014-11-14 | 2016-05-18 | 株式会社岛津制作所 | Treatment method for waste liquid in COD measurement apparatus |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52104354A (en) * | 1976-02-27 | 1977-09-01 | Shimadzu Corp | Method and apparatus for treating water containing permanganic acid io ns |
JPS5367676A (en) * | 1976-11-30 | 1978-06-16 | Nippon Soda Co Ltd | Detoxifying method for waste solution |
DE10029146A1 (en) * | 1999-06-26 | 2000-12-28 | Merck Patent Gmbh | Recycling sulfuric acid solution containing metals, preferably test solutions from determination of chemical oxygen demand, involves redox-controlled separation of silver amalgam with iron and precipitation as hydroxide |
CN102464399A (en) * | 2011-10-20 | 2012-05-23 | 常州亚环环保科技有限公司 | Composite agent for removing manganese in wastewater and application method thereof |
CN102583815A (en) * | 2012-01-28 | 2012-07-18 | 马鞍山市桓泰环保设备有限公司 | Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method |
-
2014
- 2014-03-19 CN CN201410101625.7A patent/CN103864196B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52104354A (en) * | 1976-02-27 | 1977-09-01 | Shimadzu Corp | Method and apparatus for treating water containing permanganic acid io ns |
JPS5367676A (en) * | 1976-11-30 | 1978-06-16 | Nippon Soda Co Ltd | Detoxifying method for waste solution |
DE10029146A1 (en) * | 1999-06-26 | 2000-12-28 | Merck Patent Gmbh | Recycling sulfuric acid solution containing metals, preferably test solutions from determination of chemical oxygen demand, involves redox-controlled separation of silver amalgam with iron and precipitation as hydroxide |
CN102464399A (en) * | 2011-10-20 | 2012-05-23 | 常州亚环环保科技有限公司 | Composite agent for removing manganese in wastewater and application method thereof |
CN102583815A (en) * | 2012-01-28 | 2012-07-18 | 马鞍山市桓泰环保设备有限公司 | Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105588927A (en) * | 2014-11-14 | 2016-05-18 | 株式会社岛津制作所 | Treatment method for waste liquid in COD measurement apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN103864196B (en) | 2015-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Xu et al. | Rapid catalytic oxidation of arsenite to arsenate in an iron (III)/sulfite system under visible light | |
Benatti et al. | Fenton’s process for the treatment of mixed waste chemicals | |
CN103739118A (en) | Treatment method for analyzing waste liquid | |
Zhang et al. | Effects of Fe (II)/P ratio and pH on phosphorus removal by ferrous salt and approach to mechanisms | |
Kulkarni et al. | Synthesis and characterization of carboxylic cation exchange bio-resin for heavy metal remediation | |
Wang et al. | A novel and quick method to avoid H2O2 interference on COD measurement in Fenton system by Na2SO3 reduction and O2 oxidation | |
Wen et al. | Recirculation of reject water in deep-dewatering process to influent of wastewater treatment plant and dewaterability of sludge conditioned with Fe2+/H2O2, Fe2+/Ca (ClO) 2, and Fe2+/Na2S2O8: From bench to pilot-scale study | |
CN105800762A (en) | Preparation method for amorphous FeOOH water-purifying agent | |
CN102583815B (en) | Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method | |
Li et al. | Phosphate removal during Fe (II) oxidation in the presence of Cu (II): characteristics and application for electro-plating wastewater treatment | |
Xu et al. | Reduction of Cr (VI) facilitated by biogenetic jarosite and analysis of its influencing factors with response surface methodology | |
Choi et al. | Nitrate reduction by fluoride green rust modified with copper | |
Amani‐Ghadim et al. | Comparison of organic dyes removal mechanism in electrocoagulation process using iron and aluminum anodes | |
CN103864196B (en) | Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument | |
CN111995020B (en) | Preparation method of polymeric magnesium aluminum cerium chloride coagulant | |
Thirugnanasambandham et al. | Performance evaluation of chemical coagulation process to treat bagasse wastewater: modeling and optimization | |
Sharma et al. | Enhancing arsenic removal from groundwater at household level with naturally occurring iron | |
CN109516443B (en) | Treatment method of aluminum-containing waste sulfuric acid | |
Özbaş et al. | Comparative metal (Cu, Ni, Zn, total Cr, and Fe) removal from galvanic sludge by molasses hydrolysate | |
CN105293659A (en) | Stabilization method for emergently treating sediment of heavy metal pollutants in water body | |
CN111268779B (en) | Method for quickly converting tributyl phosphate in waste liquid into polymerized iron phosphate flocculant | |
Zodi et al. | Removal of arsenic and COD from industrial wastewaters by electrocoagulation | |
CN103073588A (en) | Functional ionic liquid and its application | |
Guan et al. | Evaluation of persulfate enhanced electrocoagulation (EC/PS) for bio-treated landfill leachate: Organics transformation pathways and carbon flow quantitative analysis | |
CN109289726A (en) | A kind of curing method of serious pollution liquid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140618 Assignee: Shanghai Puchuang Longke Finance Leasing Co.,Ltd. Assignor: MOLWAY ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2019310000024 Denomination of invention: Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument Granted publication date: 20150311 License type: Exclusive License Record date: 20191225 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Treatment method for waste liquid produced by permanganate titration COD (chemical oxygen demand) online determination instrument Effective date of registration: 20191229 Granted publication date: 20150311 Pledgee: Shanghai Puchuang Longke Finance Leasing Co.,Ltd. Pledgor: MOLWAY ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2019310000044 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210106 Granted publication date: 20150311 Pledgee: Shanghai Puchuang Longke Finance Leasing Co.,Ltd. Pledgor: MOLWAY ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2019310000044 |
|
EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Shanghai Puchuang Longke Finance Leasing Co.,Ltd. Assignor: MOLWAY ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2019310000024 Date of cancellation: 20210108 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Treatment method of waste liquid produced by the instrument for on-line determination of COD by potassium permanganate method Effective date of registration: 20220624 Granted publication date: 20150311 Pledgee: Industrial Bank Co.,Ltd. Shanghai Shizhong sub branch Pledgor: MOLWAY ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022310000087 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230504 Granted publication date: 20150311 Pledgee: Industrial Bank Co.,Ltd. Shanghai Shizhong sub branch Pledgor: MOLWAY ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022310000087 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |