CN106365349A - High-concentration black printing waste liquid contaminant extraction and utilization method - Google Patents

High-concentration black printing waste liquid contaminant extraction and utilization method Download PDF

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Publication number
CN106365349A
CN106365349A CN201610904367.5A CN201610904367A CN106365349A CN 106365349 A CN106365349 A CN 106365349A CN 201610904367 A CN201610904367 A CN 201610904367A CN 106365349 A CN106365349 A CN 106365349A
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China
Prior art keywords
sludge
mud
high concentration
stirring
printing waste
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CN201610904367.5A
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Chinese (zh)
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CN106365349B (en
Inventor
柳荣展
邹译慧
张宾
郝龙云
石宝龙
于梦楠
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Qingdao University
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Qingdao University
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    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • 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
    • C02F2101/30—Organic compounds
    • C02F2101/308—Dyes; Colorants; Fluorescent agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The invention discloses a high-concentration black printing waste liquid contaminant extraction and utilization method. The method is characterized by comprising the following steps that high-concentration black water-based ink printing waste liquid is acidized, and stirring is conducted to enable contaminants to be agglomerated into sludge; calcium mineral powder is put into the sludge, after the materials are stirred to be uniform, the sludge is heated to 50 DEG C to 90 DEG C for dehydration while stirring is conducted, the sludge is solidified into blocks, and water is generated through dehydration and then drained; the sludge is taken out to be subjected to hot squeezing till the water content of the sludge is lower than 40%, and then drying is conducted; the dried sludge is heated to 400 DEG C to 700 DEG C under the air isolation condition, and heat preservation is conducted for 1 h to 4 h; the temperature of the sludge is lowered to 50 DEG C or below, the sludge is crushed into granules, and after a wetting agent solution is sprayed, the materials are mixed to be uniform; the sludge granules are added into cationic dye dyeing wastewater, stirring is conducted for 10 min to 120 min, the sludge granules are removed through precipitation or filtration, and the decolorized wastewater is drained; recuperative heat of the sludge granules is regenerated and recycled. According to the method, extraction of the high-concentration black water-based ink printing waste liquid contaminants and recycling utilization of solid waste are achieved, and the decolorizing rate of the cationic dye dyeing wastewater can be nearly 100%.

Description

The method that a kind of black printed waste liquor contamination thing of high concentration extracts and utilizes
Technical field
The invention belongs to printing and dyeing industry technical field, particularly to a kind of high concentration black water ink jet printing waste liquor contamination The method that thing extracts and utilizes.
Background technology
Ink is made up of pigment, binder, filler, additional material etc., can be divided into oil-based ink and water color ink.Oiliness oil Substantial amounts of organic solvent is contained in ink, seriously polluted, gradually it is eliminated.Water color ink mainly by water-soluble resin, pigment, alcohol, Amine or ammonia and other additives and water composition.Water color ink is because its health, environmental protection, the characteristic of safety, wide in every field General application.At present, substantial amounts of plastic package material is increasingly employed water color ink in stamp, printing, is changing color When need to clean printing equipment and water color ink storage tank, create a certain amount of high concentration aqueous' ink jet printing waste liquid.This kind of print The pollutant such as pigment, water soluble acrylic resin, alcohol, amine (ammonia) are contained, its content of organics is many, colourity is high in flower waste liquid, dirty Dye extremely serious (colourity: more than 30,000 times, codcr: 100,000-50 ten thousand mg/l) it is difficult to process.
For the process of this kind of waste liquid, generally pretreatment is carried out using chemical methodes such as Coagulation Method, add in waste liquid Coagulant, makes pollutant condense and forms mud, then roll filter, belt type dewaterer or centrifugal dehydrator etc. using sheet frame to carry out machinery The solid-liquid separating methods such as dehydration carry out solid-liquid separation, and water outlet carries out other chemistry again or carries out a biological disposal upon to qualified discharge.Due to useless In liquid, pollutant levels are high, and the mud solid content of formation is up to 5-10% it is difficult to processed, and by mechanism filter-pressing or from The mud cake being formed after heart dehydration carries out landfill disposal usually as solid waste, easily causes secondary pollution it is impossible to realize resource profit With.
Content of the invention
It is an object of the invention to provide a kind of high concentration black water ink jet printing waste liquor contamination thing extracts and utilizes Method.
For achieving the above object, the technical method of the present invention is:
High concentration black water ink jet printing waste liquid is acidified, stirring makes pollutant condense and forms pasty state mud；Throw in mud Plus the 100-500 mesh calcium breeze of 5-10g/l, while stirring mud is heated to 50-90 DEG C of dehydration after stirring, makes mud solid Chemical conversion is block, de- Chinese effluent；Taking-up sludge hot squeezes predrying after being less than 40% to moisture content；Mud after will be predrying every Air is heated to 400-700 DEG C of insulation 1-4h absolutely；Mud is cooled to less than 50 DEG C and is broken into graininess, spraying mass concentration is Mix homogeneously after the vaporific wetting agent solution of 0.1-0.2%；Mud granule is added to cation dye by 2-10g/l waste water consumption In material dyeing waste-water, aeration agitation 10-120min, precipitation or filtration removal mud granule, decolour discharge of wastewater；Mud granule returns Receive 400-700 DEG C of hot recycling, recycle.
Beneficial effect:
A. high concentration black water ink jet printing waste liquid is treated by the present method, and waste liquid percent of decolourization is up to more than 99.5%, codcr Clearance reaches more than 80%, organic pollution extraction rate reached more than 90%.Dewatering rate reaches more than 90%, volume minimizing More than 90% it is achieved that the deep dehydration of mud；
B. will be treated by the present method for the pollutant extracting, for cationic dyeing waste water decoloring, decolorization rate of wastewater is near 100%, it is achieved that the recycling of solid waste, has prevented mud secondary pollution problem.
Specific embodiment
Further illustrate the present invention below by specific embodiment.
Embodiment 1
It is slowly added to 92% concentrated sulphuric acid, stirring makes in the high concentration black water ink jet printing waste liquid being 39.2 ten thousand mg/l to cod Pollutant cohesion forms mud；Add the 200-500 mesh calcium breeze of 8g/l in mud, while stirring by mud after stirring It is heated to 75 DEG C of dehydrations, make sludge curing become block, de- Chinese effluent；Taking-up sludge hot squeezes dry after being less than 40% to moisture content Dry；Dried mud isolation air is heated to 500 DEG C of insulation 2h；Mud is cooled to less than 50 DEG C and is broken into graininess, Spray mix homogeneously after the vaporific wetting agent solution that mass concentration is 0.1%；Mud granule is added to Huang by 5g/l waste water consumption In color cationic dyeing waste water, aeration agitation 100min, precipitation remove mud granule, decolour discharge of wastewater, yellow sun from Sub- dyeing decolorization rate of wastewater reaches more than 99.5%；Mud granule reclaims 500 DEG C of hot recycling, recycles.
Using the inventive method it is achieved that high concentration black water ink jet printing waste liquor contamination thing extracts and utilizes, prevent Secondary pollution, and make the cationic yellow dyes dyeing waste-water decolorizing rate reach more than 99.5%, open solid wastes recycling profit New way.
Embodiment 2
It is slowly added to organic acid, stirring makes pollution in the high concentration black water ink jet printing waste liquid being 16.8 ten thousand mg/l to cod Thing cohesion forms mud；Add the 200-500 mesh calcium breeze of 5g/l in mud, while stirring mud is heated after stirring It is dehydrated to 80 DEG C, make sludge curing become block, de- Chinese effluent；Taking-up sludge hot squeezes after being less than 40% to moisture content and is dried；Will Dried mud isolation air is heated to 500 DEG C of insulation 3h；Mud is cooled to less than 50 DEG C and is broken into graininess, spray matter Measure mix homogeneously after the vaporific wetting agent solution that concentration is 0.05%；Mud granule is added to black sun by 6g/l waste water consumption In ionic dye dyeing waste-water, aeration agitation 60min, precipitation removes mud granule, and decolour discharge of wastewater, black cationic dye Dyeing waste-water decolorizing rate reaches more than 99.9%；Mud granule reclaims 550 DEG C of hot recycling, recycles.
Using the inventive method it is achieved that high concentration black water ink jet printing waste liquor contamination thing extracts and utilizes, prevent Secondary pollution, and make the black cationic dye dyeing waste-water decolorizing rate reach nearly 100%, open solid wastes recycling and utilize New way.
Embodiment 3
It is slowly added to 92% concentrated sulphuric acid, stirring makes in the high concentration black water ink jet printing waste liquid being 44.6 ten thousand mg/l to cod Pollutant cohesion forms mud；Add the 200-500 mesh calcium breeze of 10g/l in mud, while stirring by dirt after stirring Mud is heated to 75 DEG C of dehydrations, makes sludge curing become block, de- Chinese effluent；Taking-up sludge hot squeezes after being less than 40% to moisture content It is dried；Dried mud isolation air is heated to 500 DEG C of insulation 2h；Mud is cooled to less than 50 DEG C and is broken into granule Shape, sprays mix homogeneously after the vaporific wetting agent solution that mass concentration is 0.1%；Mud granule is pressed 10g/l waste water consumption add To in mixed-cation dyeing waste water, aeration agitation 60min, precipitation removes mud granule, and decolour discharge of wastewater, mixing sun Ionic dye dyeing waste-water decolorizing rate reaches more than 99.5%；Mud granule reclaims 500 DEG C of hot recycling, recycles.
The mud granule recycling 10 times is added in blue cationic dyeing waste water by 8g/l waste water consumption, Aeration agitation 30min, precipitation removes mud granule, and decolour discharge of wastewater, and blue cationic dyeing decolorization rate of wastewater reaches More than 99.7%；Mud granule reclaims 500 DEG C of hot recycling, recycles.
Using the inventive method it is achieved that high concentration black water ink jet printing waste liquor contamination thing extracts and utilizes, prevent Secondary pollution, and so that mixed-cation dyeing waste water and blue cationic dyeing decolorization rate of wastewater is all reached More than 99.5%, open the new way of solid wastes recycling utilization.
Embodiment 4
The regeneration sludge granule recycling 50 times is added to mixed-cation dyeing waste water by 10g/l waste water consumption In, aeration agitation 60min, precipitation removes mud granule, and decolour discharge of wastewater, and mixed-cation dyeing decolorization rate of wastewater reaches To more than 99.6%；Mud granule reclaims 500 DEG C of hot recycling, recycles.
Using the inventive method it is achieved that high concentration black water ink jet printing waste liquor contamination thing extracts and utilizes, prevent Secondary pollution, and make the mixed-cation dyeing decolorization rate of wastewater reach more than 99.6%, open solid wastes recycling profit New way.

Claims (5)

1. the method that a kind of black printed waste liquor contamination thing of high concentration extracts and utilizes, comprises the following steps:
High concentration black water ink jet printing waste liquid is acidified, stirring makes pollutant condense and forms pasty state mud；Throw in mud Plus the 100-500 mesh calcium breeze of 5-10g/l, while stirring mud is heated to 50-90 DEG C of dehydration after stirring, makes mud solid Chemical conversion is block, de- Chinese effluent；Taking-up sludge hot squeezes after being less than 40% to moisture percentage in sewage sludge and is dried；By dried mud every Air is heated to 400-700 DEG C of insulation 1-4h absolutely；Mud is cooled to less than 50 DEG C and is broken into graininess, spraying mass concentration is Mix homogeneously after the vaporific wetting agent solution of 0.1-0.2%；Mud granule is added to cation dye by 2-10g/l waste water consumption In material dyeing waste-water, aeration agitation 10-120min, precipitation or filtration removal mud granule, decolour discharge of wastewater；Mud granule returns Receive 400-700 DEG C of hot recycling, recycle.
2. the side that a kind of high concentration black water ink jet printing waste liquor contamination thing according to claim 1 extracts and utilizes Method is it is characterised in that described waste water acidifying refers to be acidified using mineral acid or organic acid.
3. the side that a kind of high concentration black water ink jet printing waste liquor contamination thing according to claim 1 extracts and utilizes Method is it is characterised in that described calcium breeze is Calcium Carbonate, calcium oxide or its mixture.
4. the side that a kind of high concentration black water ink jet printing waste liquor contamination thing according to claim 1 extracts and utilizes Method is it is characterised in that described wetting agent is non-ionic or anionic wetting agent or its mixture.
5. the side that a kind of high concentration black water ink jet printing waste liquor contamination thing according to claim 1 extracts and utilizes Method it is characterised in that the heating of described mud using directly heating, indirectly heat or the two combined heat mode.
CN201610904367.5A 2016-10-18 2016-10-18 Method for extracting and utilizing high-concentration black printing waste liquid pollutants Active CN106365349B (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109126710A (en) * 2018-09-20 2019-01-04 青岛大学 A method of it prepares with photo-catalysis function adsorption decolouriser
CN109126704A (en) * 2018-09-20 2019-01-04 青岛大学 A method of improving adsorbent absorption property prepared by stamp pulp thickening object
CN109126701A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of method of high-concentration waste water resource utilization
CN109126706A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent absorption property
CN109126708A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of adsorption decolouriser preparation method containing photochemical catalyst
CN109126711A (en) * 2018-09-20 2019-01-04 青岛大学 A method of it prepares with photo-catalysis function decolorising agent
CN109126703A (en) * 2018-09-20 2019-01-04 青岛大学 A method of improving adsorbent adsorption capacity prepared by stamp pulp thickening object
CN109126702A (en) * 2018-09-20 2019-01-04 青岛大学 A method of improving adsorbent adsorption capacity prepared by stamp pulp thickening object
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
CN109126709A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of preparation method with photo-catalysis function adsorption decolouriser
CN109126712A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of high-efficiency decolorant preparation method containing photochemical catalyst
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
CN109173995A (en) * 2018-09-20 2019-01-11 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent adsorption capacity
CN109173997A (en) * 2018-09-20 2019-01-11 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent adsorption capacity
CN109173996A (en) * 2018-09-20 2019-01-11 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent adsorbance
CN109289768A (en) * 2018-10-17 2019-02-01 青岛大学 A kind of efficient heavy ion adsorbent
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

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109126710A (en) * 2018-09-20 2019-01-04 青岛大学 A method of it prepares with photo-catalysis function adsorption decolouriser
CN109126704A (en) * 2018-09-20 2019-01-04 青岛大学 A method of improving adsorbent absorption property prepared by stamp pulp thickening object
CN109126701A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of method of high-concentration waste water resource utilization
CN109126706A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent absorption property
CN109126708A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of adsorption decolouriser preparation method containing photochemical catalyst
CN109126711A (en) * 2018-09-20 2019-01-04 青岛大学 A method of it prepares with photo-catalysis function decolorising agent
CN109126703A (en) * 2018-09-20 2019-01-04 青岛大学 A method of improving adsorbent adsorption capacity prepared by stamp pulp thickening object
CN109126702A (en) * 2018-09-20 2019-01-04 青岛大学 A method of improving adsorbent adsorption capacity prepared by stamp pulp thickening object
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
CN109126709A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of preparation method with photo-catalysis function adsorption decolouriser
CN109126712A (en) * 2018-09-20 2019-01-04 青岛大学 A kind of high-efficiency decolorant preparation method containing photochemical catalyst
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
CN109173995A (en) * 2018-09-20 2019-01-11 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent adsorption capacity
CN109173997A (en) * 2018-09-20 2019-01-11 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent adsorption capacity
CN109173996A (en) * 2018-09-20 2019-01-11 青岛大学 A kind of preparation method for improving stamp pulp thickening object and preparing adsorbent adsorbance
CN109289768A (en) * 2018-10-17 2019-02-01 青岛大学 A kind of efficient heavy ion adsorbent
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

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