CN1197771A - Method of eliminating greasy dirt on the surface of iron slime - Google Patents
Method of eliminating greasy dirt on the surface of iron slime Download PDFInfo
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- CN1197771A CN1197771A CN 97109093 CN97109093A CN1197771A CN 1197771 A CN1197771 A CN 1197771A CN 97109093 CN97109093 CN 97109093 CN 97109093 A CN97109093 A CN 97109093A CN 1197771 A CN1197771 A CN 1197771A
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- oil
- iron mud
- greasy dirt
- detergent
- kerosene
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- 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.)
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- Treatment Of Sludge (AREA)
Abstract
The method to use detergent in eliminating greasy dirt on the surface of hot-rolling iron slime includes the steps of iron slime pH value regulation to pH greater than 12, mixing with detergent while stirring, dewatering, water washing of precipitated sand and filtering in filter. The said detergent consists of sodium alkylbenzenesulfonate, polyglycol, polyphosphate, CMC, and kerosine. The process of the present invention is simple and continuous and the product has oil content less than 1%.
Description
The invention belongs to a kind of treatment process of hot rolling oily sludge, relate in particular to a kind of method of utilizing washing composition to remove oil-containing iron mud surface and oil contaminant.
The hot finishing operation enters thin mud fine size in the cooling waste water sediment of settling tank, contains innage, makes the dehydration difficulty, though and filter back product ferrous grade height, can not be used effectively because of containing innage (oil-containing＞10%).Day hot rolling oily sludge wet type deoiling treatment method of the present disclosure (clear 53-100970, clear 54-94170), wherein clear 54-94170 patented technology technological process is longer, after stirring, need carry out the secondary water washing operation, filter again, and flow process is discontinuous carries out (requiring static 90 minutes after the stirring); And the washing assistant of clear 54-94170 patented technology washing composition is organic solvent entirely, has inflammable volatile characteristics, will cause atmospheric pollution, and flow process is similarly discontinuous and carries out.
It is simple to the purpose of this invention is to provide a kind of technical process, and industrial energy quantity-produced can effectively be handled the method for oily sludge.
For achieving the above object, the technical solution used in the present invention is: after transferring iron mud mud PH＞12 to add washing composition, through the water extracter dehydration, add in its sand setting again and enter filter after the proper amount of clear water washing and filter, filter cake is extraction of superpure concentrate of magnetite.
Used washing composition is made up of alkylbenzene sulfonate, polyoxyethylene glycol, polymeric phosphate, carboxymethyl cellulose, kerosene.
This detergent component content is: alkylbenzene sulfonate 8-10%, polyoxyethylene glycol 10-20%; Polymeric phosphate 50-60%, carboxymethyl cellulose 2-5%, kerosene 12-14%.Because adopt technique scheme, not only technical process is simple to make the present invention, and industrial energy continuous production, can obtain oil-containing＜1%, the extraction of superpure concentrate of magnetite powder of iron grade＞70% is applicable to the processing of all oil-containing iron mud.
Embodiment: accent hot rolling oil-containing is 14.9% iron mud mud PH＞12, adds the washing composition of following component: alkylbenzene sulfonate 10%, polyoxyethylene glycol 14%, polymeric phosphate 58%, carboxymethyl cellulose 4%, kerosene 14%.Stirred 25 minutes, and after the water extracter dehydration, in sand setting, added proper amount of clear water, after washing, enter filter and filter, promptly obtain oil-containing 0.85%, the extraction of superpure concentrate of magnetite of ferrous grade 70.1%.
Claims (3)
1. a method of removing iron mud surface and oil contaminant is characterized in that transferring iron mud mud FH＞12, after the adding washing composition stirs, dewaters through water extracter, adds to enter filter after proper amount of clear water is washed in its sand setting again.
2. the method for removal oil-containing iron mud surface and oil contaminant according to claim 1 is characterized in that described washing composition is made up of alkylbenzene sulfonate, polyoxyethylene glycol, polymeric phosphate, carboxymethyl cellulose, kerosene.
3. the method for removal oil-containing iron mud surface and oil contaminant according to claim 2 is characterized in that described detergent component content is: alkylbenzene sulfonate 8-10%, polyoxyethylene glycol 10-20%, polymeric phosphate 50-60%, carboxymethyl cellulose 2-5%, kerosene 12-14%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97109093 CN1197771A (en) | 1997-04-28 | 1997-04-28 | Method of eliminating greasy dirt on the surface of iron slime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97109093 CN1197771A (en) | 1997-04-28 | 1997-04-28 | Method of eliminating greasy dirt on the surface of iron slime |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1197771A true CN1197771A (en) | 1998-11-04 |
Family
ID=5170910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97109093 Pending CN1197771A (en) | 1997-04-28 | 1997-04-28 | Method of eliminating greasy dirt on the surface of iron slime |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1197771A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993167A (en) * | 2014-06-15 | 2014-08-20 | 楚源高新科技集团股份有限公司 | New process for synthesizing iron pellets by use of reduction-position iron mud in H acid production process |
| CN104773931A (en) * | 2015-03-17 | 2015-07-15 | 浙江海洋学院 | Method utilizing city sewage to process greasy filth |
| CN106269836A (en) * | 2016-08-10 | 2017-01-04 | 中国环境科学研究院 | The solidification and stabilization method of organic polluted soil and the application in soil remediation thereof |
| CN110241304A (en) * | 2019-06-26 | 2019-09-17 | 中国科学院过程工程研究所 | A method of cutting oily iron mud regeneration |
| CN110904462A (en) * | 2019-12-19 | 2020-03-24 | 钢城集团凉山瑞海实业有限公司 | Oil removing agent and using method thereof |
-
1997
- 1997-04-28 CN CN 97109093 patent/CN1197771A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993167A (en) * | 2014-06-15 | 2014-08-20 | 楚源高新科技集团股份有限公司 | New process for synthesizing iron pellets by use of reduction-position iron mud in H acid production process |
| CN104773931A (en) * | 2015-03-17 | 2015-07-15 | 浙江海洋学院 | Method utilizing city sewage to process greasy filth |
| CN106269836A (en) * | 2016-08-10 | 2017-01-04 | 中国环境科学研究院 | The solidification and stabilization method of organic polluted soil and the application in soil remediation thereof |
| CN106269836B (en) * | 2016-08-10 | 2019-10-22 | 中国环境科学研究院 | The solidification and stabilization method of organic polluted soil and its application in soil remediation |
| CN110241304A (en) * | 2019-06-26 | 2019-09-17 | 中国科学院过程工程研究所 | A method of cutting oily iron mud regeneration |
| CN110904462A (en) * | 2019-12-19 | 2020-03-24 | 钢城集团凉山瑞海实业有限公司 | Oil removing agent and using method thereof |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |