CN105481057A - Synchronous decoloration and nitrogen recovery method for high-concentration printing waste liquids - Google Patents
Synchronous decoloration and nitrogen recovery method for high-concentration printing waste liquids Download PDFInfo
- Publication number
- CN105481057A CN105481057A CN201610032718.8A CN201610032718A CN105481057A CN 105481057 A CN105481057 A CN 105481057A CN 201610032718 A CN201610032718 A CN 201610032718A CN 105481057 A CN105481057 A CN 105481057A
- Authority
- CN
- China
- Prior art keywords
- waste liquid
- acid
- high density
- karb
- zeo
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/18—Macromolecular compounds
- B01J39/20—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
Abstract
The invention discloses a synchronous decoloration and nitrogen recovery method for high-concentration printing waste liquids. The method is characterized by comprising steps as follows: cation exchange resin is added to a certain quantity of the high-concentration printing waste liquids and stirred until pasty sludge is formed through a reaction; treated wastewater is taken as back washing water to wash the resin clean; the sludge in the back washing water is precipitated and separated from wastewater, the precipitated sludge is mechanically pressed and dewatered; the washed cation exchange resin is filtered and dewatered; an acid solution for dewatered resin is treated, nitrogen is recovered, and the resin is regenerated; the regenerated cation exchange resin is added to the high-concentration printing waste liquids and recycled. With the adoption of the treatment method, the decolorization rate of the printing waste liquids is higher than 99.5%, the ammonium-nitrogen removal rate is about 90%, the CODCr removal rate is higher than 90%, synchronous decoloration and nitrogen recovery of the waste liquids are realized, and the content of acid group ions in the wastewater is not increased.
Description
Technical field
The invention belongs to textile and dyeing industry technical field, particularly a kind of synchronous decolouring of high density stamp waste liquid and nitrogen recovery method.
Background technology
Ink is made up of pigment, binder, filler, additional material etc., can be divided into oil-based ink and water color ink.Containing a large amount of organic solvents in oil-based ink, seriously polluted, will be eliminated gradually.Water color ink is primarily of water soluble resin, pigment, alcohol, amine or ammonia and other additives and water composition.Water color ink, because the characteristic of its health, environmental protection, safety, is widely used in every field.At present, a large amount of plastic wrapping (waterproof) materials adopts water color ink more and more when stamp, needing cleaning printing equipment and water color ink storage tank, creating a certain amount of high concentration aqueous's ink waste liquid when changing color.Containing pollutents such as pigment, water soluble acrylic resin, alcohol, amine (ammonia) in this kind of ink waste liquid, its organic content is many, and colourity is high, and nitrogen content is high, pollutes very serious (colourity: more than 30,000 times; COD
cr: 100,000-50 ten thousand mg/L; Ammonia nitrogen: 1000-5000mg/L), be difficult to process.
For the process of this kind of high-concentration waste liquid, the chemical processes such as usual employing Coagulation Method, acid-precipitation method carry out pre-treatment, namely to dosing coagulant in waste liquid or mineral acid, pollutent is condensed and forms mud, adopt sheet frame to roll filter, belt type dewaterer or centrifuge etc. again to carry out the solid-liquid separating methods such as mechanical dehydration and carry out solid-liquid separation, water outlet carries out other chemistry or biological treatment again to qualified discharge.But Coagulation Method, acid-precipitation method can only remove the organism such as water soluble resin, pigment in waste liquid, can not remove the ammonia nitrogen in waste liquid, usually need to adopt other chemical methods or biological process to remove again simultaneously.Particularly acid-precipitation method adds mineral acid directly in waste liquid, improves the content of acid ion in waste water, causes secondary pollution, and easily form brackish water.
Summary of the invention
The object of the present invention is to provide a kind of synchronous decolouring and nitrogen recovery method of high density stamp waste liquid, realize the efficient removal of organic pollutant and nitrogen in waste liquid, the recovery of nitrogen can be realized simultaneously, and do not increase the content of acid ion in waste liquid.
For achieving the above object, the technology of the present invention method adopts following steps:
Zeo-karb is added in a certain amount of high density stamp waste liquid, stir 10-180min, be reacted into pasty state mud to waste liquid; Resin is rinsed well as wash-down water with the waste water after process; Be separated with waste water by sludge settling in wash-down water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the acid solution process that dehydration resin mass concentration is 2%-30%, reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
Beneficial effect:
A. high density stamp waste liquid is through present method process, and percent of decolourization is up to more than 99.5%, and ammonia nitrogen removal frank reaches about 90%, COD
crclearance reaches more than 90%, achieves waste liquid and synchronously decolours and the recovery of nitrogen.
B. Zeo-karb joins in stamp waste liquid, H
+can with [R
3nH]
+etc. various positively charged ion generation ion exchange, Liquidity limit also discharges H
+.The H discharged
+on the one hand can with water soluble acrylic resin R-COO
-in conjunction with formation R-COOH, reducing resin dissolves degree, destroy the stability of colloid system, is that hydrophobic contaminant matter is separated out by acid for the water soluble propene in waste liquid resin transitions.The H discharged on the other hand
+can with the R in waste liquid
3n forms more [R
3nH]
+, improve its concentration, promote itself and H
+carry out ion-exchange, improve the rate of recovery of nitrogen.Compared with direct acid adding acid-precipitation method, the method can not increase the acid ion concentration in waste water, prevents acid ion from forming secondary pollution, and Zeo-karb reusable edible.
C. the waste water that produces after adopting liquid waste disposal of the present invention is as wash-down water, Zeo-karb can be made to be separated with mud and to wash away resin surface mud, be beneficial to resin regeneration, water saving.
Embodiment
The present invention is further illustrated below by specific embodiment.
Embodiment 1
Hydrogen type strong acid type Zeo-karb is added (COD in the black printed waste liquid of high density
cr: 378200mg/L; Colourity: 3.5 ten thousand times; Ammonia nitrogen: 3010mg/L), stirring reaction 60min is reacted into pasty state mud to waste liquid; Resin is rinsed well as backwashing water with the waste water after process; Be separated with waste water by sludge settling in backwashing water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the acid solution process that dehydration resin mass concentration is 10%, form [R
3nH]
+cl
-reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
Adopt the inventive method process, this kind of stamp waste liquid percent of decolourization is up to 99.8%, and ammonia nitrogen removal frank reaches 94.1%, COD
crclearance reaches 93.2%, achieves waste liquid and synchronously decolours and the recovery of nitrogen, and can not significantly increase chlorine ion concentration in waste water, alleviate secondary pollution.
Embodiment 2
Be add (COD in the black printed waste liquid of high density after the hydrochloric acid soln pre-treatment displacement of 10% by sodium form strongly acidic cation-exchange mass concentration
cr: 378200mg/L; Colourity: 3.5 ten thousand times; Ammonia nitrogen: 3010mg/L), stirring reaction 60min, is reacted into pasty state mud to waste liquid; Resin is rinsed well as backwashing water with the waste water after process; Be separated with waste water by sludge settling in backwashing water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the hydrochloric acid soln process that dehydration resin mass concentration is 10%, form [R
3nH]
+cl
-reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
Adopt the inventive method process, this kind of water color ink stamp waste liquid percent of decolourization is up to 99.8%, and ammonia nitrogen removal frank reaches 93.8%, COD
crclearance reaches 92.9%, achieves waste liquid and synchronously decolours and the recovery of nitrogen, and can not significantly increase chlorine ion concentration in waste water, alleviate secondary pollution.
Embodiment 3
Hydrogen type strong acid type Zeo-karb is added (COD in the blue stamp waste liquid of high density
cr: 305000mg/L; Colourity: 30,000 times; Ammonia nitrogen: 2750mg/L), stirring reaction 60min, is reacted into pasty state mud to waste liquid; Resin is rinsed well as backwashing water with the waste water after process; Be separated with waste water by sludge settling in backwashing water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the hydrochloric acid soln process that dehydration resin mass concentration is 10%, form [R
3nH]
+cl
-reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
Adopt the inventive method process, this kind of stamp waste liquid percent of decolourization is up to 99.8%, and ammonia nitrogen removal frank reaches 93.6%, COD
crclearance reaches 92.5%, achieves waste liquid and synchronously decolours and the recovery of nitrogen, and can not significantly increase chlorine ion concentration in waste water, alleviate secondary pollution.
Embodiment 4
Be add (COD in the blue stamp waste liquid of high density after the sulphuric acid soln pre-treatment displacement of 4% by sodium form strongly acidic cation-exchange mass concentration
cr: 305000mg/L; Colourity: 30,000 times; Ammonia nitrogen: 2750mg/L), stirring reaction 60min, is reacted into pasty state mud to waste liquid; Resin is rinsed well as backwashing water with the waste water after process; Be separated with waste water by sludge settling in backwashing water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the sulphuric acid soln process that dehydration resin mass concentration is 5%, form ([R
3nH]
+)
2sO
4 2-reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
Adopt the inventive method process, this kind of stamp waste liquid percent of decolourization is up to 99.8%, and ammonia nitrogen removal frank reaches 93.3%, COD
crclearance reaches 92.4%, achieves waste liquid and synchronously decolours and the recovery of nitrogen, and can not significantly increase chlorine ion concentration in waste water, alleviate secondary pollution.
Embodiment 5
The hydrogen type strong acid type Zeo-karb of regeneration 30 times is added (COD in high density mixing stamp waste liquid
cr: 278000mg/L; Colourity: 30,000 times; Ammonia nitrogen: 2540mg/L), stirring reaction 60min, is reacted into pasty state mud to waste liquid; Resin is rinsed well as backwashing water with the waste water after process; Be separated with waste water by sludge settling in backwashing water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the hydrochloric acid soln process that dehydration resin mass concentration is 10%, form [R
3nH]
+cl
-reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
Adopt the inventive method process, mixing stamp waste liquid percent of decolourization is up to 99.7%, and ammonia nitrogen removal frank reaches 91.9%, COD
crclearance reaches 93.4%, achieves waste liquid and synchronously decolours and the recovery of nitrogen, and can not significantly increase chlorine ion concentration in waste water, alleviate secondary pollution.Regenerating resin treatment effect does not obviously reduce.
Embodiment 6
The sodium form strongly acidic cation-exchange of regeneration 30 times is added (COD in high density mixing stamp waste liquid
cr: 278000mg/L; Colourity: 30,000 times; Ammonia nitrogen: 2540mg/L), stirring reaction 60min, is reacted into pasty state mud to waste liquid; Resin is rinsed well as backwashing water with the waste water after process; Be separated with waste water by sludge settling in backwashing water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the sulphuric acid soln process that dehydration resin mass concentration is 5%, form ([R
3nH]
+)
2sO
4 2-reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
Adopt the inventive method process, mixing water-based ink jet printing waste liquid percent of decolourization is up to 99.7%, and ammonia nitrogen removal frank reaches 89.6%, COD
crclearance reaches 93.2%, achieves waste liquid and synchronously decolours and the recovery of nitrogen, and can not significantly increase chlorine ion concentration in waste water, alleviate secondary pollution.Regenerating resin treatment effect does not obviously reduce.
Claims (6)
1. the synchronous decolouring of high density stamp waste liquid and a nitrogen recovery method, comprises the following steps:
Zeo-karb is added in a certain amount of high density stamp waste liquid, stir 10-180min, be reacted into pasty state mud to waste liquid; Resin is rinsed well as wash-down water with the waste water after process; Be separated with waste water by sludge settling in wash-down water, precipitating sludge carries out mechanism filter-pressing dehydration; By the Zeo-karb filter dehydration rinsed well; By the acid solution process that dehydration resin mass concentration is 2%-30%, reclaim nitrogen and make resin regeneration simultaneously; Zeo-karb after regeneration is added in high density stamp waste liquid, recycles.
2. the synchronous decolouring of a kind of high density stamp waste liquid according to claim 1 and nitrogen recovery method, is characterized in that described Zeo-karb is one or more in hydrogen type cation exchange resin or sodium form Zeo-karb.
3. the synchronous decolouring of a kind of high density stamp waste liquid according to claim 1 and nitrogen recovery method, is characterized in that described acid is one or more in hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, silicic acid, boric acid, carbonic acid, unitary organic acid, binary organic acid or poly-basic organic acid.
4. the synchronous decolouring of a kind of high density stamp waste liquid according to claim 1 and nitrogen recovery method, if is characterized in that described Zeo-karb sodium form Zeo-karb should carry out replacement Treatment with acid solution in advance.
5. the synchronous decolouring of a kind of high density stamp waste liquid according to claim 1 and nitrogen recovery method, is characterized in that described wash-down water fluidised form is vertical-flow.
6. the synchronous decolouring of a kind of high density stamp waste liquid according to claim 1 and nitrogen recovery method, it is characterized in that described wash-down water utilize process after waste water.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032718.8A CN105481057A (en) | 2016-01-19 | 2016-01-19 | Synchronous decoloration and nitrogen recovery method for high-concentration printing waste liquids |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032718.8A CN105481057A (en) | 2016-01-19 | 2016-01-19 | Synchronous decoloration and nitrogen recovery method for high-concentration printing waste liquids |
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|---|---|
| CN105481057A true CN105481057A (en) | 2016-04-13 |
Family
ID=55668392
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Cited By (11)
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|---|---|---|---|---|
| CN106219802A (en) * | 2016-08-01 | 2016-12-14 | 浙江丝科院轻纺材料有限公司 | A kind of use the method for waste water after the Pre-Treatment of Activated dyes of cationic resin |
| CN108298744A (en) * | 2018-03-16 | 2018-07-20 | 天津市海跃水处理高科技有限公司 | A kind of non-biochemical deep treatment method of breeding wastewater |
| CN108502987A (en) * | 2018-03-16 | 2018-09-07 | 天津市海跃水处理高科技有限公司 | A kind of fast purification method of pharmacy centre waste water |
| CN109126713A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A method of there is photo-catalysis function decolorising agent using the preparation of pulp thickening object |
| CN109126705A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method that high-concentration waste water pollutant is extracted and utilized |
| CN109126711A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A method of it prepares with photo-catalysis function decolorising agent |
| CN109126707A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method that stamp waste liquor contamination object is extracted and utilized |
| CN109126701A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method of high-concentration waste water resource utilization |
| CN109289766A (en) * | 2018-10-17 | 2019-02-01 | 青岛大学 | A kind of preparation method of adsorbent for heavy metal |
| CN109289767A (en) * | 2018-10-17 | 2019-02-01 | 青岛大学 | A kind of preparation method of efficient heavy ion adsorbent |
| CN109289768A (en) * | 2018-10-17 | 2019-02-01 | 青岛大学 | A kind of efficient heavy ion adsorbent |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219802A (en) * | 2016-08-01 | 2016-12-14 | 浙江丝科院轻纺材料有限公司 | A kind of use the method for waste water after the Pre-Treatment of Activated dyes of cationic resin |
| CN108298744A (en) * | 2018-03-16 | 2018-07-20 | 天津市海跃水处理高科技有限公司 | A kind of non-biochemical deep treatment method of breeding wastewater |
| CN108502987A (en) * | 2018-03-16 | 2018-09-07 | 天津市海跃水处理高科技有限公司 | A kind of fast purification method of pharmacy centre waste water |
| CN108298744B (en) * | 2018-03-16 | 2021-02-09 | 天津市海跃水处理高科技有限公司 | Non-biochemical advanced treatment method for aquaculture wastewater |
| CN109126713A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A method of there is photo-catalysis function decolorising agent using the preparation of pulp thickening object |
| CN109126705A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method that high-concentration waste water pollutant is extracted and utilized |
| CN109126711A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A method of it prepares with photo-catalysis function decolorising agent |
| CN109126707A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method that stamp waste liquor contamination object is extracted and utilized |
| CN109126701A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method of high-concentration waste water resource utilization |
| CN109289766A (en) * | 2018-10-17 | 2019-02-01 | 青岛大学 | A kind of preparation method of adsorbent for heavy metal |
| CN109289767A (en) * | 2018-10-17 | 2019-02-01 | 青岛大学 | A kind of preparation method of efficient heavy ion adsorbent |
| CN109289768A (en) * | 2018-10-17 | 2019-02-01 | 青岛大学 | A kind of efficient heavy ion adsorbent |
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Application publication date: 20160413 |
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