CN1062516A - The preparation of novel coagulate decolourant and utilisation technology - Google Patents
The preparation of novel coagulate decolourant and utilisation technology Download PDFInfo
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- CN1062516A CN1062516A CN90110095A CN90110095A CN1062516A CN 1062516 A CN1062516 A CN 1062516A CN 90110095 A CN90110095 A CN 90110095A CN 90110095 A CN90110095 A CN 90110095A CN 1062516 A CN1062516 A CN 1062516A
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- waste water
- clay
- acid
- dyestuff
- dyes
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- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000000975 dye Substances 0.000 claims abstract description 32
- 239000002351 wastewater Substances 0.000 claims abstract description 31
- 239000004927 clay Substances 0.000 claims abstract description 26
- 239000000701 coagulant Substances 0.000 claims abstract description 21
- 101100110007 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) asd-1 gene Proteins 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 13
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000002091 cationic group Chemical group 0.000 claims abstract description 10
- 238000004043 dyeing Methods 0.000 claims abstract description 9
- 239000000984 vat dye Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000001179 sorption measurement Methods 0.000 abstract description 10
- 238000004061 bleaching Methods 0.000 abstract description 5
- 238000004042 decolorization Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000005189 flocculation Methods 0.000 abstract description 4
- 230000016615 flocculation Effects 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 8
- 230000004913 activation Effects 0.000 description 6
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 5
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000010306 acid treatment Methods 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 239000002594 sorbent Substances 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000003922 charged colloid Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000010919 dye waste Substances 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 pour in the beaker Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention is a kind of preparation method of NEW TYPE OF COMPOSITE coagulate decolourant, and the utilisation technology in treatment of dyeing wastewater.
ASD-1 is a kind of compound coagulate decolourant based on negative charge.It is to be raw material with the clay, reacts with mineral acid to make, and it is characterized in that directly using reacted suspension liquid.This suspension liquid is the dispersion system of a complexity, and its dispersity is higher, for dyeing waste water of different nature, can regulate different pH values, and reach cohesion, flocculation, the effect of adsorption bridging and adsorption bleaching.Be mainly used in thioxine dyes, vat dyes, Naphthol dyestuff, the improvement of cationic dyestuff waste water.Its percent of decolourization all reaches more than 90%, and wherein the thioxine dyes decolorization rate of wastewater is up to 98%, and its decolorizing effect is better than the inorganic coagulant of common usefulness, also is better than the activated clay of pressed powder type, and in addition, the COD clearance also reaches more than 60%.
Description
The present invention is a kind of preparation method of NEW TYPE OF COMPOSITE coagulate decolourant and the utilisation technology in treatment of dyeing wastewater thereof.The ASD-1 coagulate decolourant is applicable to more reluctant thioxine dyes at present, Naphthol dyestuff and vat dyes.The coagulation decoloration of waste water such as cationic dyestuff, its percent of decolourization all reaches more than 90%, and floc particle is big.Settling velocity is fast, has practical value.
Inorganic coagulant commonly used mainly is a polymerize aluminum chloride in dyeing water treatment at present. Tai-Ace S 150. and ferrous sulfate. bodied ferric sulfate and plurality of compound type coagulating agent.The present invention is to be raw material extensively to be present in natural clay, after acid treatment and make a kind of based on electronegative NEW TYPE OF COMPOSITE coagulate decolourant, result according to the Searches of Patent Literature shows that not being reported so far is that raw material uses as coagulate decolourant through simple process with clay directly.General documents and materials think that clay or activated clay only have certain adsorption bleaching. and absorption is deoiled. and effects such as adsorptive chromium removal, its adsorption bleaching characteristic is lower than sorbent material commonly used. and in addition, clay also can be used as coagulant aids and uses.
In the general document, the activation of clay is after acid treatment, needs drying. grind. sieve. and product is solid powdery.But, in the heat drying process, destroyed the ins and outs of original system, when using as sorbent material.Though contact certain hour with water, but still can not recover the character of former dispersion system, thus generally only have certain adsorption and ion exchange, and be difficult to condense. flocculation. effects such as adsorption bridging.
According to the available data contrast, all inequality with method of the present invention, this technology has significant improvement and difference on feature.
Preparation method of the present invention is (to comprise various types of clays with clay, the river is dredged and is completed mud, new pond sludge, waterworks water purification mud, building and hydro project spoir etc.) and mineral acid (sulfuric acid. or hydrochloric acid. or the mixing acid of sulfuric acid and hydrochloric acid) under normal temperature to 105 degree, react, it is characterized in that directly using reacted suspension liquid, and need not further processing treatment, this suspension liquid is the dispersion system of a complexity, existing positively charged colloid, electronegative colloid is arranged again, amphotytoid is also arranged, wherein polymer mineral colloids that belong to more, its dispersity is bigger, under different pH value conditions, the ratio of system positive and negative charge also changes, for dyeing waste water of different nature, can be by regulating different pH values, and reach cohesion. and flocculation. the effect of adsorption bridging and adsorption bleaching, for thioxine dyes. the Naphthol dyestuff. vat dyes. the inorganic coagulant that its decolorizing effect of cationic dyestuff waste water is better than using always also is better than the activated clay of pressed powder type.
The purpose of this invention is:
1. clay resource is discarded in exploitation, to reach the purpose of comprehensive utilization;
2. reduce the wastewater treatment running expense;
3. improve waste water decoloring efficient, particularly those are used the common relatively poor dyeing waste water of coagulating agent decolorizing effect, as thioxine dyes, the Naphthol dyestuff, cationic dyestuff and vat dyes etc. use this technology that percent of decolourization is reached more than 90%.
The content of this invention:
1. the activating process of clay:
It is air-dry to get clay. grind. cross 40 mesh sieves (also can save and sieve), use the 2-20% mineral acid, in 1: 2-1: 5 ratio is mixed, stir, soak at normal temperatures, leave standstill (or heating more than 4 hours under the 25-105 degree) more than 12 hours, can directly use, during use, suspension liquid should be stirred, press the coagulating agent add-on and mix with waste water.
2. the processing of dyeing waste water:
This invention mainly is applicable to vat dyes, thioxine dyes, the Naphthol dyestuff, the coagulation decoloration of cationic dyestuff waste water, other type dye waste water also there is certain coagulate decoloring effect, can adopt intermittent type or continous way coagulation sedimentation, also can adopt the air supporting Coagulation Method, other precaution are identical with general chemical coagulation sedimentation or air supporting Coagulation Method with technological process.
Its processing technological flow is as scheming:
Sediment mixes boiler of feeding burning usefulness, to eliminate secondary pollution with former coal facies behind the fine coal filter dehydration.
The advantage of this technology and positively effect:
1. clay source is extensive, can fully utilize discarded clay, and the development and use river dredges and to complete mud, reaches the effect of development of resources and comprehensive utilization.
2. the clay activation method is easy, and technological process is simple, can fully utilize the dilute sulphuric acid of various concentration, further processing treatment after the activation treatment is directly used suspension liquid, greatly reduces production cost, and having improved decolorizing effect, the clay activation can be by printing and dyeing producer by oneself.
3.ASD-1 coagulate decolourant is based on electronegative new composite coagulant, have cohesion concurrently. flocculation. adsorption bridging. effects such as adsorption bleaching, usually have amino, basic groups such as imino-because of dye molecule, amino is accepted proton and ionization under acidic conditions, so relatively poor with common its effect of cationic coagulating agent, ASD-1 then coagulate decoloring effect is better.
4. for using the reluctant thioxine dyes of common coagulating agent. the Naphthol dyestuff. vat dyes. cationic dyestuff waste water, use this technology, percent of decolourization can reach more than 90%, and what have reaches more than 97%.For example, can be that 400 times thioxine dyes waste water is reduced to below 8 times with colourity, the water after the processing is as clear as crystal, cannot see color and pH value near neutral.The COD clearance generally also can reach more than 60%.
Embodiment one:
It is air-dry to get clay. grind. sieve. and weighing 20 grams, place the 200ML beaker, measure the sulfuric acid of 50ML5%, pour in the beaker, mix with glass rod, left standstill 24 hours, can use, validity period reached more than half a year, during actual production, available acid-resistant container, or the cement pit of acid-proof cement lining.
Get vat dyes waste water 200ML and place beaker, under constantly stirring by the amount of 0.02-0.2% (in butt, following difference) adds the ASD-1 coagulate decolourant, stirred one minute fast earlier, after stirred at a slow speed 15 minutes, left standstill the sedimentation layering 15 minutes, get supernatant liquid and advance to analyze, its result is as shown in the table:
The result of vat dyes waste water (contrasting) with other coagulating agent
| The coagulating agent kind | Chroma removal rate (%) | COD clearance (%) | Ton water medicament expense usefulness (unit/T) |
| Bodied ferric sulfate | 50 | ||
| B?T－1 | 25 | ||
| ASD－1 | 90.6 | 76.6 | (0.01-0.10 notes) |
Annotate: this expense is to convert with the price of the industrial vitriol oil, if there is the dilute sulphuric acid about 50% to replace the industrial vitriol oil, then medicament expense also can reduce greatly.
Embodiment two:
Get the air-dry grinding of clay. sieve. weighing 25 grams, place the 200ML beaker, measure 50ML5% sulfuric acid, pour in the beaker, mix with glass rod, left standstill 24 hours, can use, other is with example one.
Get thioxine dyes waste water 200ML, put in the beaker, the amount by 0.1～0.4% under constantly stirring adds the ASD-1 coagulate decolourant, and other is operated with embodiment one, and its result is as shown in the table:
The result of thioxine dyes waste water (contrasting) with other coagulating agent
| The coagulating agent kind | Chroma removal rate (%) | COD clearance (%) | Ton water medicament expense usefulness (unit/T) |
| Bodied ferric sulfate | 90 | ||
| B?T－1 | Almost can not decolour | ||
| BT-1+ gathers iron | 80 | ||
| ASD－1 | 98 | 68.6 | (0.05-0.20 notes) |
Annotate: medicament expense is with higher outwardly, but thioxine dyes waste water itself is strong basicity, and basicity is bigger, generally need to regulate PH to acid with acid earlier with other coagulating agent, transfer used acid and use ASD-1 can economize disacidify, its amount just activates used acid quite with clay, if this part sour expense deduction, then the cost of ASD-1 is the expense of clay itself, its ton water medicament expense can be reduced to 0.02～0.05 yuan/T, if use discarded clay nearby, then cost can also reduce greatly.
Embodiment three:
The clay activation method is with embodiment two.
Get Naphthol waste water from dyestuff 200ML and place beaker, the amount by 0.04～0.4% under constantly stirring adds the ASD-1 coagulate decolourant, and other are operated with embodiment one, and its result is as shown in the table:
The result of Naphthol waste water from dyestuff (contrasting) with other coagulating agent
| The coagulating agent kind | Chroma removal rate (%) | COD clearance (%) | Ton water medicament expense usefulness (unit/T) |
| Bodied ferric sulfate | 30 | ||
| B?T－1 | 20 | ||
| Poly-iron+BT-1 | 40 | ||
| ASD－1 | 90 | 62.0 | (0.04-0.20 notes) |
Annotate: the former water ph value of Naphthol waste water from dyestuff generally higher (＞13), also get elder generation's acid neutralization adjusting pH value with other coagulating agent, the same with example two with the acid of using that ASD-1 then can economize the disacidify accent, ton water medicament expense is in fact not high.
Embodiment four:
The clay activation method is with embodiment one.
Get cationic dyestuff waste water 200ML and place beaker, under continuous stirring, add milk of lime earlier and regulate PH to 11, press 0.1～0.4% amount adding ASD-1 coagulate decolourant then, other is operated with embodiment one, and its result is as shown in the table:
The result of cationic dyestuff waste water (contrasting) with other coagulating agent
| The coagulating agent kind | Chroma removal rate (%) | COD clearance (%) | Ton water medicament expense usefulness (unit/T) |
| Bodied ferric sulfate | 20 | ||
| BT－1 | 90 | ||
| ASD－1 | 95 | 75.5 | 0.05－0.20 |
Claims (1)
- The technical characterstic of this invention is: though principle is abstruse, method is easy, and technology is simple, broken easily releasing, in case open, can't maintain secrecy.The spy claim the protection scope be:1, select the kind of raw clay for use: various types of clays, river are dredged and are completed mud, Xinhe River pond sludge, waterworks water purification mud and building or hydro project spoir etc.2. the activating process process and the using method of clay: activating process comprises: the kind (sulfuric acid or hydrochloric acid or both mixing acid) of acid.Working concentration scope (2～20%).Amount ratio (1: 2～1: 5), temperature of reaction (room temperature is to 105C), reaction times (more than 4～12 hours).Using method is meant direct use suspension liquid.3.ASD-1 the utilisation technology in treatment of dyeing wastewater: comprise technological process.Operation steps, the ratio with the coagulating agent add-on of feeding intake, pH value span of control, and the aftertreatment of sediment.Its range of application mainly is: thioxine dyes waste water, vat dyes waste water, Naphthol waste water from dyestuff, cationic dyestuff waste water, and the coagulation decoloration of other colorful wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90110095A CN1062516A (en) | 1990-12-22 | 1990-12-22 | The preparation of novel coagulate decolourant and utilisation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90110095A CN1062516A (en) | 1990-12-22 | 1990-12-22 | The preparation of novel coagulate decolourant and utilisation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1062516A true CN1062516A (en) | 1992-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90110095A Pending CN1062516A (en) | 1990-12-22 | 1990-12-22 | The preparation of novel coagulate decolourant and utilisation technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062516A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447093C (en) * | 2006-04-03 | 2008-12-31 | 四川大学 | A kind of manufacturing method of printing and dyeing wastewater decolorization material |
| CN105000603A (en) * | 2015-07-24 | 2015-10-28 | 刘雷 | Multi-effect sewage treatment agent and method for treating sewage by using same |
| CN105016452A (en) * | 2015-07-24 | 2015-11-04 | 刘雷 | Sewage treating agent and method for treating sewage by using same |
| CN117181184A (en) * | 2022-06-01 | 2023-12-08 | 深圳文科园林股份有限公司 | Porous material, preparation method and application thereof |
-
1990
- 1990-12-22 CN CN90110095A patent/CN1062516A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447093C (en) * | 2006-04-03 | 2008-12-31 | 四川大学 | A kind of manufacturing method of printing and dyeing wastewater decolorization material |
| CN105000603A (en) * | 2015-07-24 | 2015-10-28 | 刘雷 | Multi-effect sewage treatment agent and method for treating sewage by using same |
| CN105016452A (en) * | 2015-07-24 | 2015-11-04 | 刘雷 | Sewage treating agent and method for treating sewage by using same |
| CN117181184A (en) * | 2022-06-01 | 2023-12-08 | 深圳文科园林股份有限公司 | Porous material, preparation method and application thereof |
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