CN103159274A - Method for treating high-salinity concentrated waste liquid - Google Patents
Method for treating high-salinity concentrated waste liquid Download PDFInfo
- Publication number
- CN103159274A CN103159274A CN2011104324186A CN201110432418A CN103159274A CN 103159274 A CN103159274 A CN 103159274A CN 2011104324186 A CN2011104324186 A CN 2011104324186A CN 201110432418 A CN201110432418 A CN 201110432418A CN 103159274 A CN103159274 A CN 103159274A
- Authority
- CN
- China
- Prior art keywords
- sludge
- spent liquor
- concentrating spent
- high salinity
- sludge cake
- 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
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 title abstract description 10
- 239000002699 waste material Substances 0.000 title abstract description 10
- 239000010802 sludge Substances 0.000 claims abstract description 52
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims description 26
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 150000001299 aldehydes Chemical class 0.000 claims description 4
- 159000000013 aluminium salts Chemical class 0.000 claims description 4
- 229910000329 aluminium sulfate Inorganic materials 0.000 claims description 4
- 159000000007 calcium salts Chemical group 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 159000000003 magnesium salts Chemical class 0.000 claims description 4
- 150000002989 phenols Chemical group 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 150000003863 ammonium salts Chemical group 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical group Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 244000005700 microbiome Species 0.000 claims description 2
- 102000004169 proteins and genes Human genes 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract 4
- 238000004065 wastewater treatment Methods 0.000 description 5
- 208000005156 Dehydration Diseases 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005622 photoelectricity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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- Treatment Of Sludge (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A method of treating a high salinity concentrated waste liquid comprises blending a sludge cake with the high salinity concentrated waste liquid to be treated to form a salt-containing sludge mixture; and removing water from the salt-containing sludge mixture to form salt-containing dried sludge. The method comprises the steps of mixing a sludge cake with high-salinity concentrated waste liquid, removing water to form dry sludge, and enabling salt in the concentrated waste liquid to be accumulated in the dry sludge. Compared with the method for treating the high-salinity concentrated waste liquid by using the evaporation concentration device, the method disclosed by the invention can be used for treating the high-salinity concentrated waste liquid by using the sludge cake in a blending manner, so that the space for building equipment can be saved, and the treatment procedure and the cost can be reduced.
Description
Technical field
The present invention relates to a kind of method of processing the high salinity concentrating spent liquor, particularly relevant for a kind of method of utilizing the sludge cake blending to process the high salinity concentrating spent liquor.
Background technology
Along with weather transition and population Fast Growth rapidly, the problem of water resource assignment is floating upper table surface gradually.Therefore, how effectively to reclaim waste water reuse, particularly effectively reclaim photoelectricity, semi-conductor, petrochemical industry, reach a large amount of waste water that iron and steel industry produces, become an important research topic.
Trade effluent can produce the concentrating spent liquor of high salinity through after the multistage recycling and concentrating program.Often adopt traditionally the technology of evaporation concentration, to reach the purpose that subtracts appearance.Yet the process of evaporation concentration not only needs to expend the considerable energy, also needs additional space that relevant device is set simultaneously, is unfavorable for simplifying processing procedure and saves cost.
On the other hand, in traditional wastewater treatment and reclaimer, most technology can produce mud.General normal employing sludge dewatering equipment collocation sludge drier with the water ratio of reduction mud, or directly adopts the sludge dewatering drying machine to carry out drying treatment, removes most moisture in mud, forms sludge-drying, then carries out ultimate disposal.
In existing method of wastewater treatment, often can produce simultaneously liquid high salinity concentrating spent liquor, with solid-state sludge-drying waste, then utilize respectively evaporation concentration and the mode of burying is processed liquid concentrating spent liquor and solid-state sludge-drying waste.So, not only need to expend many treatment times, also increased the processing cost of high salinity concentrating spent liquor simultaneously.
Therefore, still need a kind of easyly and save cost, can process simultaneously the method for liquid high salinity concentrating spent liquor and solid-state sludge-drying waste.
Summary of the invention
Of the prior art all really main purpose of the present invention is to provide a kind of method of processing the high salinity concentrating spent liquor in view of above-mentioned, and handling procedure and cost can be reduced simultaneously in the space that not only can saving equipment builds.
The method of processing high salinity concentrating spent liquor provided by the present invention comprises blending sludge cake and pending high salinity concentrating spent liquor, to form the mud mixture of saliferous; And the moisture that removes the mud mixture of this saliferous, and form sludge-drying.
Method utilization of the present invention reheats transpiring moisture and forms sludge-drying through the sludge cake blending high salinity concentrating spent liquor of dehydration, and the salinity in concentrating spent liquor is lodged in sludge-drying.Compared to utilizing evaporation concentration device to reduce the method for concentrating spent liquor salinity, method of the present invention utilizes the dewatered sludge cake blending to process the high salinity concentrating spent liquor, and handling procedure and cost can be reduced simultaneously in the space that not only can saving equipment builds.
Description of drawings
Fig. 1 is used for showing that the present invention processes the schema of high salinity concentrating spent liquor.
The primary clustering nomenclature
10 mud
11 sludge dewatering equipments
12 sludge cakes
13 concentrating spent liquors
14 mud mixtures
15 sludge driers
16 sludge-dryings
Embodiment
Below describe embodiments of the present invention in detail by particular embodiment, the personage who has the knack of this skill can understand advantage of the present invention and effect easily by the content that specification sheets of the present invention discloses, but is not that category of the present invention is confined to this.
The present invention processes the method for high salinity concentrating spent liquor, first make sludge cake and pending high salinity concentrating spent liquor blending form the mud mixture of saliferous, make again the mud mixture of this saliferous remove the sludge-drying that moisture forms saliferous, to reach the purpose of processing the high salinity concentrating spent liquor.In method of the present invention, this pending high salinity concentrating spent liquor refers to that specific conductivity is between the concentrating spent liquor of 10 to 200mS/cm scopes, preferably refer to specific conductivity between the concentrating spent liquor of 30 to 180mS/cm scopes, preferredly refer to that specific conductivity is between the concentrating spent liquor of 50 to 160mS/cm scopes.The example of this high salinity concentrating spent liquor comprises, but non-organic concentrating spent liquor, inorganic concentrating spent liquor or its mixture of being limited to; Wherein, the organic composition in this organic concentrating spent liquor can comprise hydrocarbon, alcohol, ketone, aldehyde, acid, ester, and one or more of phenolic compound; Inorganic components in this inorganic concentrating spent liquor can comprise one or more of calcium salt, sodium salt, magnesium salts, aluminium salt and ammonium salt.
See also the schema of processing high salinity concentrating spent liquor shown in Figure 1, method of the present invention first uses the sludge cake 12 after dehydration to carry out blending with pending high salinity concentrating spent liquor 13, forms the mud mixture 14 of saliferous.In this specific examples, obtaining of this sludge cake can be used in the waste water treatment plant, and the mud 10 of water ratio 95 to 99 % by weight forms sludge cake 12 after sludge dewatering equipment 11 dehydrations.Generally speaking, the water ratio of this sludge cake is preferably the scope between 55 to 80 % by weight between the scope of 50 to 90 % by weight, more preferably between the scope of 60 to 70 % by weight.The example of sludge cake comprises, but non-organic sludge cake, inorganic sludge cake or its mixture of being limited to; Wherein, the organic composition in this organic sludge cake can comprise one or more discarded biological sludges that produce that are selected from microorganism cells, protein, hydrocarbon, alcohol, ketone, aldehyde, acid, ester, reach phenolic compound after wastewater treatment; Inorganic components in this inorganic sludge cake can comprise calcium salt, sodium salt, magnesium salts, aluminium salt and molysite one or more produce discarded chemical sludge after wastewater treatment.
In method of the present invention, this sludge cake can according to factors such as the sludge cake composition that uses or water content, carry out blending in the proper ratio with this pending high salinity concentrating spent liquor.Usually, this sludge cake forms the mud mixture of saliferous with the weight ratio ratio blending of 10: 6 to 10: 3 with this pending high salinity concentrating spent liquor, be preferably the mud mixture that forms saliferous with the weight ratio ratio blending of 10: 4 to 10: 3.If the mud mixture water ratio is too high, remove the moisture difficulty when causing drying.The water ratio of this sludge cake and this pending formed saliferous mud mixture of high salinity concentrating spent liquor blending is preferably the scope between 90 to 91 % by weight between the scope of 89 to 92 % by weight, again more preferably between the scope of 89 to 90 % by weight.
See also shown in Figure 1, in method of the present invention, after sludge cake 12 has the mud mixture 14 of saliferous with these pending high salinity concentrating spent liquor 13 blending formation, can utilize sludge drier 15, remove moisture in the mud mixture of this saliferous, salinity in concentrating spent liquor is lodged in sludge-drying 16, process simultaneously so as to reaching the purpose that this high salinity concentrating spent liquor and drying sludge subtract appearance.In a specific examples, the mud mixture of this saliferous removes moisture by the mode of heat drying, to form sludge-drying.Generally speaking, this heating is to carry out under the temperature condition of in 100 to 250 ℃, preferably carries out under the temperature condition of in 150 to 250 ℃, is more preferably under the temperature condition of in 200 to 250 ℃ to carry out, and can remove the moisture of mud mixture, to obtain sludge-drying.Usually, the water ratio of the formed sludge-drying of the inventive method, is more preferably again lower than 20 % by weight preferably lower than 30 % by weight lower than 40 % by weight.
Embodiment
Actual sludge cake (the organic sludge of photoelectricity factory after the sludge dewatering equipment dehydration of obtaining, water ratio: 87 % by weight), and concentrating spent liquor (the organic and inorganic mixed waste liquor of photoelectricity factory high salinity, specific conductivity: 38mS/cm), concentrating spent liquor with sludge cake blending high salinity, allotment to theoretical water ratio is 90 % by weight and 91 % by weight respectively, use high-effect two-stage sludge drying machine (Hyper X0500), mud after blending is carried out drying, and test condition and test result are as follows:
(1) mud mixture of allotment water ratio to 90 % by weight: blending adds up to sample size 13kg, service temperature through dehydrated sludge 10kg and concentrating spent liquor 3kg: 230 ℃, and the strainer speed 90cm/min of mud mixture charging.
(2) mud mixture of allotment water ratio to 91 % by weight: blending adds up to sample size 14.5kg, service temperature through dehydrated sludge 10kg and concentrating spent liquor 4.5kg: 230 ℃, and the strainer speed 90cm/min of mud mixture charging.
The present embodiment first forms sludge cake and pending high salinity concentrating spent liquor blending the mud mixture of saliferous, and the water ratio of the saliferous mud mixture of formation is respectively 90 and 91 % by weight.After the first paragraph heat drying, water ratio is between the scope of 50 to 60 % by weight, and after the second segment heat drying, water ratio is between the scope of 1.5 to 2.5 % by weight, more than the moisture removal rate can reach 97 % by weight.Except but the moisture of effective elimination saliferous mud mixture forms sludge-drying, simultaneously the salinity in the high salinity concentrating spent liquor is lodged in sludge-drying, then carry out ultimate disposal.
Claims (10)
1. a method of processing the high salinity concentrating spent liquor, comprise the following steps:
Blending sludge cake and pending high salinity concentrating spent liquor are to form the mud mixture of saliferous; And
Remove the moisture of the mud mixture of this saliferous, and form sludge-drying.
2. method according to claim 1, is characterized in that, the water ratio of this sludge cake is 50 to 90 % by weight.
3. method according to claim 1, is characterized in that, the specific conductivity of this high salinity concentrating spent liquor is 10 to 200mS/cm.
4. method according to claim 1, is characterized in that, this sludge cake and pending high salinity concentrating spent liquor form the mud mixture of saliferous with the weight ratio ratio blending of 10: 6 to 10: 3.
5. method according to claim 1, is characterized in that, the water ratio of the mud mixture of this saliferous is below 92 % by weight.
6. method according to claim 1, is characterized in that, the water ratio of this sludge-drying is lower than 40 % by weight.
7. method according to claim 1, is characterized in that, this sludge cake is the organic sludge cake, and its composition comprises at least one the organic composition that is selected from microorganism cells, protein, hydrocarbon, alcohol, ketone, aldehyde, acid, ester and group that phenolic compound forms.
8. method according to claim 1, is characterized in that, this sludge cake is inorganic sludge cake, and its composition comprises at least one the inorganic components that is selected from calcium salt, sodium salt, magnesium salts, aluminium salt and group that molysite forms.
9. method according to claim 1, is characterized in that, this high salinity concentrating spent liquor is organic concentrating spent liquor, and its composition comprises at least one the organic composition that is selected from hydrocarbon, alcohol, ketone, aldehyde, acid, ester and group that phenolic compound forms.
10. method according to claim 1, is characterized in that, this high salinity concentrating spent liquor is inorganic concentrating spent liquor, and its composition comprises at least one the inorganic components that is selected from calcium salt, sodium salt, magnesium salts, aluminium salt and group that ammonium salt forms.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100145490A TWI409226B (en) | 2011-12-09 | 2011-12-09 | A method for treatment of concentrated wastewater |
| TW100145490 | 2011-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103159274A true CN103159274A (en) | 2013-06-19 |
| CN103159274B CN103159274B (en) | 2015-04-01 |
Family
ID=48582854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110432418.6A Active CN103159274B (en) | 2011-12-09 | 2011-12-21 | Method for treating high-salinity concentrated waste liquid |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103159274B (en) |
| SG (1) | SG191457A1 (en) |
| TW (1) | TWI409226B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5579100A (en) * | 1978-12-08 | 1980-06-14 | Osaka Gas Co Ltd | Treating method for sludge |
| TW203594B (en) * | 1992-08-25 | 1993-04-11 | Ind Tech Res Inst | A solidification method of the high salt content slurry |
| CN201003900Y (en) * | 2006-10-09 | 2008-01-09 | 米洁 | Mud material drying system |
| CN101210678A (en) * | 2006-12-25 | 2008-07-02 | 上海环保工程成套有限公司 | Sludge desiccation burning integral treatment method and device |
| CN101823826A (en) * | 2010-04-20 | 2010-09-08 | 上海大学 | Method for adjusting and treating municipal residual sludge by using salinferous brine or seawater |
| TW201107248A (en) * | 2009-03-30 | 2011-03-01 | Kurita Water Ind Ltd | Method for dewatering sludge and method and device for electroosmotic dewatering |
| US20110084029A1 (en) * | 2009-10-08 | 2011-04-14 | Dominick O' Reilly | Waste treatment system |
| CN102140003A (en) * | 2010-02-03 | 2011-08-03 | 北京中矿环保科技股份有限公司 | Sludge drying method, incineration method, sludge incineration device, thermal power plant and system |
| CN102153267A (en) * | 2011-04-15 | 2011-08-17 | 复旦大学 | Method for modifying and dewatering sludge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003901583A0 (en) * | 2003-04-04 | 2003-05-01 | Orica Australia Pty Ltd | A process |
-
2011
- 2011-12-09 TW TW100145490A patent/TWI409226B/en active
- 2011-12-21 CN CN201110432418.6A patent/CN103159274B/en active Active
-
2012
- 2012-07-11 SG SG2012051090A patent/SG191457A1/en unknown
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5579100A (en) * | 1978-12-08 | 1980-06-14 | Osaka Gas Co Ltd | Treating method for sludge |
| TW203594B (en) * | 1992-08-25 | 1993-04-11 | Ind Tech Res Inst | A solidification method of the high salt content slurry |
| CN201003900Y (en) * | 2006-10-09 | 2008-01-09 | 米洁 | Mud material drying system |
| CN101210678A (en) * | 2006-12-25 | 2008-07-02 | 上海环保工程成套有限公司 | Sludge desiccation burning integral treatment method and device |
| TW201107248A (en) * | 2009-03-30 | 2011-03-01 | Kurita Water Ind Ltd | Method for dewatering sludge and method and device for electroosmotic dewatering |
| US20110084029A1 (en) * | 2009-10-08 | 2011-04-14 | Dominick O' Reilly | Waste treatment system |
| CN102140003A (en) * | 2010-02-03 | 2011-08-03 | 北京中矿环保科技股份有限公司 | Sludge drying method, incineration method, sludge incineration device, thermal power plant and system |
| CN101823826A (en) * | 2010-04-20 | 2010-09-08 | 上海大学 | Method for adjusting and treating municipal residual sludge by using salinferous brine or seawater |
| CN102153267A (en) * | 2011-04-15 | 2011-08-17 | 复旦大学 | Method for modifying and dewatering sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI409226B (en) | 2013-09-21 |
| SG191457A1 (en) | 2013-07-31 |
| TW201323347A (en) | 2013-06-16 |
| CN103159274B (en) | 2015-04-01 |
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