CN106139812A - Carbon disulfide Special desulfurizing agent and preparation method thereof - Google Patents
Carbon disulfide Special desulfurizing agent and preparation method thereof Download PDFInfo
- Publication number
- CN106139812A CN106139812A CN201510185571.1A CN201510185571A CN106139812A CN 106139812 A CN106139812 A CN 106139812A CN 201510185571 A CN201510185571 A CN 201510185571A CN 106139812 A CN106139812 A CN 106139812A
- Authority
- CN
- China
- Prior art keywords
- desulfurizing agent
- carbon disulfide
- minutes
- preparation
- degrees celsius
- 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
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The present invention relates to desulfurizing agent of carbon disulfide and preparation method thereof in cracking of ethylene work cracking gas, particularly to carbon disulfide Special desulfurizing agent and preparation method thereof, its formula contains: water 50%～80%；NaOH 10%～40%；Dimethylamine 10%～40%.The NaOH of 10%～40% is joined in 50%～80% water by its preparation method: a., is sufficiently stirred for dissolving 30 minutes to 60 minutes at a temperature of 25 to 40 degrees Celsius；B. add the dimethylamine of 10%～40%, be sufficiently stirred for absorbing 90 minutes to 120 minutes at a temperature of 25 to 40 degrees Celsius；C. liquid being passed through filter screen filtration, obtaining final products desulfurizing agent, inventive desulfurization effect is good, and in production application, operation is simple, and production unit investment is less, and cost performance is high.
Description
Technical field
The present invention relates to desulfurizing agent of carbon disulfide and preparation method thereof in cracking of ethylene work cracking gas, particularly to carbon disulfide Special desulfurizing agent and preparation method thereof.
Background technology
Ethylene cracker is the tap of petrochemical industry, in ethylene cracking gas, carbon disulfide is a kind of critically important objectionable impurities, physicochemical characteristic due to carbon disulfide, boiling range and carbon five weight and, in cracking tail gas separation product, in carbon five, carbon disulfide enriching quantity is maximum, concentration to 100ppm 500ppm.It is easily caused catalyst poisoning in the following process of carbon five, affect carbon five product quality and continuous production, and increase production cost.Prior art is not enough and shortcoming is that cracking of ethylene production does not has removal of carbon disulfide technique unit, the way of part producer sampling physical absorption reduces carbon disulfide content, but effect is limited, and viscose rayon tail gas contains great amount of carbon dioxide, now remove completely without effective ways, high chimney can only be used to empty, serious environment pollution.
Content of the invention
It is an object of the invention to, for above-mentioned problem, provide carbon disulfide Special desulfurizing agent, it is characterised in that component and weight percentage: water 50%～80%；NaOH 10%～40%；Dimethylamine 10%～40%.
Present invention also offers a kind of method preparing carbon disulfide Special desulfurizing agent, it is characterised in that comprise the steps sequentially:
A. the NaOH of 10%～40% is joined in 50%～80% water, be sufficiently stirred for dissolving 30 minutes to 60 minutes at a temperature of 25 to 40 degrees Celsius；
B. add the dimethylamine of 10%～40%, be sufficiently stirred for absorbing 90 minutes to 120 minutes at a temperature of 25 to 40 degrees Celsius；
C. liquid is passed through filter screen filtration, obtain final products desulfurizing agent.
The described method preparing carbon disulfide Special desulfurizing agent, it is characterised in that described screen pack, it is specially 500 mesh filter screens.
For existing ethylene industry situation, Carbon Disulfide in cracking of ethylene carbon five raw material and casing-head gas can be dropped to below 10ppm by the present invention, about 500ppm containing carbon disulfide in carbon five raw material in the past not processed, also can only achieve about 200ppm through what simple physical was adsorbed, compare effect of the present invention clearly, in production application, operation is simple simultaneously, and production unit investment is less, and cost performance is high.
Detailed description of the invention
Embodiment 1
The invention provides carbon disulfide Special desulfurizing agent, it is characterised in that component and weight percentage: water 50%～80%；NaOH 10%～40%；Dimethylamine 10%～40%
Illustrate the method preparing carbon disulfide Special desulfurizing agent of the present invention below in conjunction with following example.
The described method preparing carbon disulfide Special desulfurizing agent, it is characterised in that comprise the steps sequentially:
A. the NaOH of 10%～40% is joined in 50%～80% water, be sufficiently stirred for dissolving 30 minutes to 60 minutes at a temperature of 25 to 40 degrees Celsius；
B. add the dimethylamine of 10%～40%, be sufficiently stirred for absorbing 90 minutes to 120 minutes at a temperature of 25 to 40 degrees Celsius；
C. liquid is passed through filter screen filtration, obtain final products desulfurizing agent.
Preferably, the described method preparing carbon disulfide Special desulfurizing agent, it is characterised in that described screen pack, it is specially 500 mesh filter screens.
During specifically used, on the carbon five feedstock transportation pipeline of 100PPm containing Carbon Disulfide, temperature 25 degrees Celsius, pressure 0.2mp, under the process conditions of ph=8～7, adds product desulfurizing agent 1% of the present invention according to carbon five mass flow with measuring pump, precipitation storage tank is entered by static mixer after being mixed, in precipitation storage tank, the desulfurizing agent of the present invention carries out following chemical reaction with carbon five raw material of Carbon Disulfide 100PPm
(CH3)2NH+Na+CS2→H6C3NS2Na+H2O
Carbon five raw material separates storage tank bottom waste water after precipitating storage tank static 4 hours, its process conditions are temperature 25 degrees Celsius, pressure normal pressure, ph=8～7, are dissolved in the impurity of water with aqueous phase separation, waste water proportion 1.005～1.001 in the carbon disulfide of removing and carbon five, top just obtains carbon five raw material relatively low containing carbon disulfide, waste water flows to sewage disposal unit, and carbon five raw material flows to use unit, and now the carbon disulfide in raw material falls below 3ppm.
Embodiment 2
Add the desulfurizing agent of the present invention of 1%--2% in carbon five raw material of 500PPm containing Carbon Disulfide, Carbon Disulfide after washing, can be made to drop to 10ppm.
Claims (3)
1. carbon disulfide Special desulfurizing agent, it is characterised in that component and weight percentage: water 50%～80%；NaOH 10%～40%；Dimethylamine 10%～40%.
2. the method preparing carbon disulfide Special desulfurizing agent described in claim 1, it is characterised in that comprise the steps sequentially:
A. the NaOH of 10%～40% is joined in 50%～80% water, be sufficiently stirred for dissolving 30 minutes to 60 minutes at a temperature of 25 to 40 degrees Celsius；
B. add the dimethylamine of 10%～40%, be sufficiently stirred for absorbing 90 minutes to 120 minutes at a temperature of 25 to 40 degrees Celsius；
C. liquid is passed through filter screen filtration, obtain final products desulfurizing agent.
3. the method preparing carbon disulfide Special desulfurizing agent according to claim 2, it is characterised in that described screen pack, it is specially 500 mesh filter screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185571.1A CN106139812A (en) | 2015-04-20 | 2015-04-20 | Carbon disulfide Special desulfurizing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185571.1A CN106139812A (en) | 2015-04-20 | 2015-04-20 | Carbon disulfide Special desulfurizing agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106139812A true CN106139812A (en) | 2016-11-23 |
Family
ID=58058561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510185571.1A Pending CN106139812A (en) | 2015-04-20 | 2015-04-20 | Carbon disulfide Special desulfurizing agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106139812A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2418047A (en) * | 1943-11-09 | 1947-03-25 | Robinson Bros Ltd | Process for the removal of carbon disulphide from a hydrocarbon liquid |
| CN1095963A (en) * | 1994-03-12 | 1994-12-07 | 湖北省化学研究所 | Auto-vulcanization hydrogen, sulphur carbonoxide, carbon disulfide inversion absorption type desulfurizing agent and preparation |
| CN1265604A (en) * | 1997-06-17 | 2000-09-06 | 斯托克工程师和承包人公司 | Method for desulfurizing off-gases |
| US20100011958A1 (en) * | 2005-12-22 | 2010-01-21 | Renaud Cadours | Method of Deacidizing a Gas with a Fractional Regeneration Absorbent Solution with Control of the Water Content of the Solution |
| CN102186560A (en) * | 2008-10-14 | 2011-09-14 | 埃克森美孚上游研究公司 | Removal of acid gases from a gas stream |
| CN102321890A (en) * | 2011-09-13 | 2012-01-18 | 南开大学 | Method for preparing thiram by direct-electrochemical-oxidation |
| CN103819375A (en) * | 2014-01-21 | 2014-05-28 | 青岛惠国新材料科技有限公司 | Synthetic method of high-purity solid sodium dimethyl dithiocarbamate |
-
2015
- 2015-04-20 CN CN201510185571.1A patent/CN106139812A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2418047A (en) * | 1943-11-09 | 1947-03-25 | Robinson Bros Ltd | Process for the removal of carbon disulphide from a hydrocarbon liquid |
| CN1095963A (en) * | 1994-03-12 | 1994-12-07 | 湖北省化学研究所 | Auto-vulcanization hydrogen, sulphur carbonoxide, carbon disulfide inversion absorption type desulfurizing agent and preparation |
| CN1265604A (en) * | 1997-06-17 | 2000-09-06 | 斯托克工程师和承包人公司 | Method for desulfurizing off-gases |
| US20100011958A1 (en) * | 2005-12-22 | 2010-01-21 | Renaud Cadours | Method of Deacidizing a Gas with a Fractional Regeneration Absorbent Solution with Control of the Water Content of the Solution |
| CN102186560A (en) * | 2008-10-14 | 2011-09-14 | 埃克森美孚上游研究公司 | Removal of acid gases from a gas stream |
| CN102321890A (en) * | 2011-09-13 | 2012-01-18 | 南开大学 | Method for preparing thiram by direct-electrochemical-oxidation |
| CN103819375A (en) * | 2014-01-21 | 2014-05-28 | 青岛惠国新材料科技有限公司 | Synthetic method of high-purity solid sodium dimethyl dithiocarbamate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108883360B (en) | Chemical process for sulfur reduction of hydrocarbons | |
| CN109499334B (en) | Efficient trapping and separating H2S and CO2And resource utilization method | |
| WO2011147173A1 (en) | Device and method for filtering catalytic cracking slurry oil | |
| WO2021255591A2 (en) | Systems and methods for processing pyrolysis oil | |
| US20200109335A1 (en) | Chemical process for sulfur reduction of hydrocarbons | |
| CN104592036B (en) | A kind of Nitrobenzol, dinitro benzene catalyst recovery devices and recovery method thereof | |
| CN106139812A (en) | Carbon disulfide Special desulfurizing agent and preparation method thereof | |
| CN106390721B (en) | Control of carbonyl sulfide with sodium borohydride in caustic treatment column for petroleum/petrochemical process | |
| US8137565B2 (en) | Naphthenic acid removal and conversion | |
| JP6771296B2 (en) | Hydrothermal gasification reactor and wastewater treatment method | |
| CN210631907U (en) | Complex iron method desulfurizer performance evaluation device | |
| CN107188776A (en) | The removal methods of acid impurities in ethylene cracking gas | |
| CN209178485U (en) | Spent acid recycles remanufacture line | |
| TWI566822B (en) | Method for removal of organic amines from hydrocarbon streams | |
| CN101654626A (en) | Cyclone separation technology used for on-line separation of hydrocarbons and solid granules in desulfurized solvent | |
| CN208532699U (en) | The process system of tubular membrane and the integrated removing heat stable salt of electrodialytic membranes | |
| CN112142565A (en) | Neopentyl glycol refining and ester removing method and device system with low energy consumption | |
| CN109012631A (en) | A kind of chelating resin and its application for effectively removing the heavy metal in electroplating wastewater | |
| JP2006257442A (en) | Process for removal of salt, catalytic reforming method and catalytic reforming apparatus using the process | |
| CN108384576A (en) | The process system and method for tubular membrane and the integrated removing heat stable salt of electrodialytic membranes | |
| CN202410431U (en) | Device for filtering impurities of outlet gas of ammonium bicarbonate desulfurizer | |
| JP3017856B2 (en) | Method for simultaneously removing carbonyl sulfide and carbon monoxide contained in propylene | |
| JP4261805B2 (en) | Method for removing salt, catalytic reforming method and catalytic reformer using the same | |
| CN108435193A (en) | Reproducible removing organochlorine catalyst of one kind and preparation method thereof | |
| US9102542B1 (en) | Method of producing activated carbon from fuel oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |