CN100574870C - Peat oil absorption material and preparation method thereof - Google Patents
Peat oil absorption material and preparation method thereof Download PDFInfo
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- CN100574870C CN100574870C CN200810050488A CN200810050488A CN100574870C CN 100574870 C CN100574870 C CN 100574870C CN 200810050488 A CN200810050488 A CN 200810050488A CN 200810050488 A CN200810050488 A CN 200810050488A CN 100574870 C CN100574870 C CN 100574870C
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Abstract
The invention belongs to the environment-friendly materials preparation method, be specifically related to peat oil absorption material and preparation method thereof.Peat oil absorption material of the present invention be with peat as primary raw material, realize by processes such as raw material screening, air-dry pulverizing, modification processing, finished product processing.Characteristics such as oil absorption material of the present invention has that oil suction is fast, oil absorption is big, easy to use, with low cost, safety and environmental protection.After the oil suction for the first time,, can reuse 2～3 times through handling.At last, the oil absorption material after the oil suction can be made into fuel briquette or fuel rod etc. and utilize, perhaps utilizes bioanalysis to degrade, and can not cause secondary pollution to environment.Peat after the modification is made certain thickness peat sheet or pad, can adsorb the sump oil on the water surface.The sump oil of the modified turf of granular, loose shape, sheet on can oil suction soil.
Description
Technical field:
The invention belongs to the environment-friendly materials preparation method, be specifically related to peat oil absorption material and preparation method thereof.
Background technology:
All kinds of greasy dirts of handling on the water surface or the soil dye, and adopting oil absorption material is a kind of method commonly used.Common commercial oil absorbent is that they have excellent hydrophobic property and lipophile by polypropylene or the synthetic adsorbent of polyurethane at present, but these chemical oil absorbing polymer material utmost point difficult for biological degradation, and cost an arm and a leg.On the other hand, natural inorganic oil absorption material, as clay, perlite, vermiculite, diatomite etc., because of its oil absorbency is low, in the time of oil suction, also suction is seldom used; Natural organic oil absorption material, as porous materials such as raw cotton, agricultural crop straw, lumber fibre, wools, oil absorbency is better, if but handle without modification, in the time of oil suction, also suction.So in recent years, people inquire into different method of modifying one after another, improve the hydrophobicity of natural organic matter material, thereby improve their competitiveness on market.
Peat is to form, contain a large amount of plant residues, the content of organic matter under a kind of anaerobic condition to surpass 35% deposit (butt).Initial people utilize its porous and stringy texture, with peat as oil absorption material, but the peat oil suction time, also suction.People improved its hydrophobicity with the peat modification afterwards, and with it as oil absorption material, a kind of oil sucting pads of development such as Chen Shuyun as Chinese patent is announced are used to adsorb the oil on the water surface.Concrete way is, selects meadow peat, earlier peat washed deliming, processed again, makes the peat pad of certain specification, and then sprays hydrophober respectively to peat pad two sides, (hydrophober is atoleine) thus make the peat oil sucting pad.This peat oil sucting pad is mainly used in the processing oil-polluted water.
Summary of the invention:
The objective of the invention is to develop a kind of environmental protection peat oil absorption material, existing excellent absorption performance has good biodegradability again, and cost is low.This oil absorption material can use on the water surface, can use on soil again.
Particular content of the present invention is as follows:
Peat oil absorption material be with peat as primary raw material, form through modification.Since differences such as peat type, degree of decomposition, granularity, oil suction effect difference; And even with a kind of raw material, because the method for modifying difference, the oil suction effect is difference to some extent also.
Peat oil absorption material of the present invention is realized by processes such as raw material screening, air-dry pulverizing, modification processing, finished product processing.Concrete preparation technology is as follows:
Raw material screening: first-selected peat type is a moss peat, secondly is meadow peat.On degree of decomposition, with in low degree of decomposition be good (resolution＜25%);
Air-dry pulverizing: the peat of choosing is air-dry to moisture 25～55%, pulverize, make its granularity between 0.5～5mm.
Modification is handled: the method for modifying that the present invention selects has three kinds, one, and under 120～180 ℃ of conditions, heating 1-5h makes its water content＜5%; Its two, in the one process, simultaneously add Mg (OH) according to weight ratio 1: 0.01-0.05
2Or Ca (OH)
2, make its water content＜5%; Its three, the peat after the benzene extraction is heated 1-5h under 150～300 ℃ temperature, make its water content＜5%.
Finished product processing: the peat after the heating can be made granular or the sheet finished product, as oil absorption material.
Characteristics such as oil absorption material of the present invention has that oil suction is fast, oil absorption is big, easy to use, with low cost, safety and environmental protection.
After the oil suction for the first time,, can reuse 2～3 times through handling.At last, the oil absorption material after the oil suction can be made into fuel briquette or fuel rod etc. and utilize, perhaps utilizes bioanalysis to degrade, and can not cause secondary pollution to environment.
The existing excellent absorption performance of the present invention has good biodegradability again, and cost is low.This oil absorption material can use on the water surface, can use on soil again.Peat after the modification is made certain thickness peat sheet or pad, can adsorb the sump oil on the water surface.The sump oil of the modified turf of granular, loose shape, sheet on can oil suction soil.
The specific embodiment
(being not limited to following several):
Embodiment 1:
Select the Liuhe County, Jilin Province to breathe out the mud moss peat, air-dry, be crushed to 0.5～5mm, heat 2h down at 150 ℃, make its water content＜5%.At normal temperatures, such modified turf can adsorb 15～20 times crude oil of own wt.
Embodiment 2:
Select Jinchuan, Huinan County, Jilin Province meadow peat, air-dry, be crushed to 0.5～5mm, add Mg (OH) at 1: 0.02 according to weight ratio
2, under 130 ℃, heating 3h makes its water content＜5% then.At normal temperatures, such modified turf can adsorb 2.5～3 times crude oil of own wt.
Embodiment 3:
Select Jinchuan, Huinan County, Jilin Province moss peat, air-dry, be crushed to 0.5～5mm.Use apparatus,Soxhlet's, benzene extract is proposed, residue heats 2h down at 250 ℃, and such modified turf can adsorb 15～20 times crude oil of own wt.
Claims (3)
1, peat oil absorption material preparation method is characterized in that concrete preparation technology is as follows:
Raw material screening: first-selected peat type is a moss peat, or meadow peat, resolution＜25%;
Air-dry pulverizing: the peat of choosing is air-dry to moisture 25～55%, pulverize, make its granularity between 0.5～5mm;
Modification is handled: method of modifying has two kinds, one, and under 120～180 ℃ of conditions, heating 1-5h adds Mg (OH) according to weight ratio 1: 0.01-0.05 simultaneously
2Or Ca (OH)
2, make its water content＜5%; Its two, the peat after the benzene extraction is heated 1-5h under 150～300 ℃ temperature, make its water content＜5%;
Finished product processing: the peat after modification is handled can be made granular or the sheet finished product.
2, according to the described peat oil absorption material preparation method of claim 1, it is characterized in that: select Jinchuan, Huinan County, Jilin Province meadow peat, air-dry, be crushed to 0.5～5mm, add Mg (OH) at 1: 0.02 according to weight ratio
2, under 130 ℃, heating 3h makes its water content＜5% then.
3, according to the peat oil absorption material of the preparation method of claim 1 or 2 preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810050488A CN100574870C (en) | 2008-03-11 | 2008-03-11 | Peat oil absorption material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810050488A CN100574870C (en) | 2008-03-11 | 2008-03-11 | Peat oil absorption material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101244379A CN101244379A (en) | 2008-08-20 |
| CN100574870C true CN100574870C (en) | 2009-12-30 |
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| CN200810050488A Expired - Fee Related CN100574870C (en) | 2008-03-11 | 2008-03-11 | Peat oil absorption material and preparation method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711974B (en) * | 2008-10-08 | 2012-01-11 | 中国石油天然气股份有限公司 | Peat absorbent and method thereof for processing soil polluted by spilled oil |
| CN103447011B (en) * | 2013-07-05 | 2015-08-19 | 浙江海洋学院 | A kind of straw oil absorbent |
| CN103464121B (en) * | 2013-07-05 | 2015-05-27 | 浙江海洋学院 | Straw oil-absorbing product |
| CN108854161B (en) * | 2018-07-06 | 2021-07-13 | 长沙大山新材料有限公司 | Natural organic oil absorption body and preparation method thereof |
| CN113731372B (en) * | 2021-09-15 | 2023-06-09 | 陕西环保产业研究院有限公司 | Peat adsorbent for treating spilled oil polluted soil and treatment method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2187459C2 (en) * | 2000-10-19 | 2002-08-20 | Тюменская государственная архитектурно-строительная академия | Method of adsorption treatment of waste waters to remove petroleum products and metal ions |
| CN1796294A (en) * | 2004-12-22 | 2006-07-05 | 桦甸市裕丰泥炭生物工程有限责任公司 | Blotter pad of peat and production technique |
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2008
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2187459C2 (en) * | 2000-10-19 | 2002-08-20 | Тюменская государственная архитектурно-строительная академия | Method of adsorption treatment of waste waters to remove petroleum products and metal ions |
| CN1796294A (en) * | 2004-12-22 | 2006-07-05 | 桦甸市裕丰泥炭生物工程有限责任公司 | Blotter pad of peat and production technique |
Non-Patent Citations (2)
| Title |
|---|
| 泥炭净化含油污水的技术和方法. 白燕等.城市环境与城市生态，第9卷第3期. 1996 |
| 泥炭净化含油污水的技术和方法. 白燕等.城市环境与城市生态，第9卷第3期. 1996 * |
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| CN101244379A (en) | 2008-08-20 |
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Granted publication date: 20091230 Termination date: 20120311 |