CN109081553A - A kind of municipal sewer mud purification method - Google Patents
A kind of municipal sewer mud purification method Download PDFInfo
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- CN109081553A CN109081553A CN201810979331.2A CN201810979331A CN109081553A CN 109081553 A CN109081553 A CN 109081553A CN 201810979331 A CN201810979331 A CN 201810979331A CN 109081553 A CN109081553 A CN 109081553A
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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
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/06—Aluminium; Calcium; Magnesium; Compounds thereof
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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
- C02F11/00—Treatment of sludge; Devices therefor
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- 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
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of municipal sewer mud purification methods, it is collected including mud, pretreatment, sterilizing, getting fat, drying, system fertilizer and etc., it is the mud collected in sewer by sludge vehicle that mud, which is collected, and transfer to sludge-tank, pretreatment is by the waste water extraction in mud, sterilizing is that fungicide and molysite are added in mud, getting fat is that catalyst is added in mud, sodium hydroxide is sprinkled after uniform stirring, and it covers film and is sealed by fermentation sludge-tank, drying is to salvage the mud after fermentation, by revolution kiln drying and break into powdery, fertilizer processed is that cinder is added in mud, plant ash, base manure is made in fine sand and clay after mixing evenly.The present invention by setting mud collections, pretreatment, sterilizing, getting fat, drying, system it is fertile and etc. avoidable ecological pollution.
Description
Technical field
The present invention relates to sludge treatment fields, more particularly to a kind of municipal sewer mud purification method.
Background technique
In urban sanitation work, need periodically to remove rubbish, the sludge etc. in sewer, to guarantee that sewer is unobstructed.
With the high speed development of China's urban construction, the length of city sewer is also increased rapidly, and the dredging work of sewer becomes to get over
Come heavier.The complicated component of sewage sludge also contains a large amount of organic matter, difficult to degrade except containing in addition to a large amount of moisture
The ingredients such as organic matter, various trace elements, pathogenic microorganism and parasitic ovum, heavy metal and salt, if not dealing carefully with these
Mud, it will cause these mud to flow into river, causes ecological pollution.
Summary of the invention
The purpose of the present invention is to provide a kind of municipal sewer mud purification methods of avoidable ecological pollution.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of municipal sewer mud purification method, comprising the following steps:
(1) mud is collected: being collected the mud in sewer by sludge vehicle, and is transferred to sludge-tank；
(2) it pre-processes: the flocculant of 3~5kg being added in every cube of mud, the mud added with flocculant is stirred equal
2~3h is stood after even, is extracted out the waste water of muck surface by water pump after standing；
(3) sterilizing: after waste water exhausts, being added the fungicide of 2~3kg in every cube of mud, quiet after mixing evenly
4~6h is set, the molysite of 1~2kg is then added in every cube of mud；
(4) getting fat: the catalyst of 3~4kg is added in every cube of mud, sprinkles sodium hydroxide, hydrogen-oxygen after uniform stirring
Change sodium with a thickness of 3~4cm, and cover film and seal sludge-tank and ferment, fermentation time is 2~3d；
(5) it dries: the mud after fermentation being salvaged, is dried by rotary kiln, and the mud after drying is led to
It crosses pulverizer and breaks into powdery；
(6) 0.2~0.4kg of cinder, 0.1~0.2kg of plant ash, fine sand system fertilizer: are added in the mud of the powdery of every kg
Base manure is made in 0.3~0.4kg and 0.3~0.4kg of clay after mixing evenly.
Include the parts by weight of following components in every kg fungicide in the step (3): 4~6kg of hypochlorous acid, quick lime 3~
2~4kg of 5kg and calper calcium peroxide.
Catalyst in the step (4) is yeast.
The present invention has the effect that
(1) by setting pre-treatment step, the waste water in mud can be separated, to improve the efficiency of mud purification；
(2) by setting sterilizing step, the pathogenic microorganism and parasitic ovum in mud be can remove, while by adding
Enter molysite, the stench of mud can be reduced, causes ecological pollution when to avoid using mud；
(3) by setting getting fat step, the fertility in mud can be improved, to improve the utilization efficiency of mud；
(4) by the way that sodium hydroxide is added, temperature when mud fermentation can be improved, to shorten fermentation time, improve fermentation effect
Rate；
(5) by setting baking step, it can remove remaining moisture in mud and be convenient for simultaneously with reducing the volume of mud
Later period system fertilizer；
(6) fertile step is made by setting, the fertility in mud can be mixed with cinder, plant ash, fine sand and clay, is avoided
Fertility is lost；
(7) by the way that cinder is added in the mud of powdery, insert the mud of powdery in cinder, in order to fertility storage,
Fertility is lost after can avoid rain drop erosion.
Specific embodiment
Embodiment 1
Municipal sewer mud purification method provided in this embodiment, comprising the following steps:
(1) mud is collected: first scraping in sump the mud in sewer, water is then added in sump, make to become silted up
Mud forms mud, then siphons away mud by the sludge pump on sludge vehicle, then reaches at sludge-tank sludge-tank, mud is put
Enter in sludge-tank；
(2) it pre-processes: the flocculant of 4kg being added in every cube of mud, and the mud added with flocculant is stirred
3h is stood after even, when standing, flocculant accelerates the deposition efficiency of mud, forms mud and waste water and is layered, passes through water after standing
Pump extracts the waste water above mud out；
(3) sterilizing: after waste water exhausts, the fungicide of 3kg is added in every cube of mud, includes in every kg fungicide
The parts by weight of following components: hypochlorous acid 5kg, quick lime 4kg and calper calcium peroxide 3kg stand 5h after mixing evenly, pass through hypochlorous acid
The pathogenic microorganism and worm's ovum in mud can be killed, temperature when mud sterilization can be improved, by quick lime to inhibit bacterium
It generates, the molysite of 2kg is then added in every cube of mud, by the way that molysite is added, the stench that mud distributes can be reduced；
(4) getting fat: the yeast of 4kg being added in every cube of mud, sprinkles sodium hydroxide after uniform stirring, sodium hydroxide
With a thickness of 4cm, and cover film and seal sludge-tank and ferment, fermentation time 3d, sodium hydroxide with it is residual in mud
Meeting heat release after remaining contact with moisture, since sodium hydroxide is in muck surface, meeting sodium hydroxide can keep the temperature mud, with
Shorten fermentation time, improve the efficiency of fermentation, fermentation will increase the fertility of mud, improve the service efficiency of mud；
(5) it dries: the mud after fermentation being salvaged, is dried by rotary kiln, and the mud after drying is led to
It crosses pulverizer and breaks into powdery, the fertility in moisture for adulterating mud is transferred in mud；
(6) cinder 0.3kg, plant ash 0.2kg, fine sand 0.3kg and clay system fertilizer: are added in the mud of the powdery of every kg
Base manure is made in 0.4kg after mixing evenly, by the way that plant ash is added, is mixed into the fertility in mud in plant ash, by being added carefully
Sand avoids mud and plant ash from being condensed into blocks, and by the way that cinder is added, can insert mud and plant ash in the gap of cinder, with
Cinder can be wrapped up by the way that clay is added convenient for the storage of fertility, fertility is avoided to be lost.
Embodiment 2
Municipal sewer mud purification method provided in this embodiment, comprising the following steps:
(1) mud is collected: first scraping in sump the mud in sewer, water is then added in sump, make to become silted up
Mud forms mud, then siphons away mud by the sludge pump on sludge vehicle, then reaches at sludge-tank sludge-tank, mud is put
Enter in sludge-tank；
(2) it pre-processes: the flocculant of 3kg being added in every cube of mud, and the mud added with flocculant is stirred
2h is stood after even, when standing, flocculant accelerates the deposition efficiency of mud, forms mud and waste water and is layered, passes through water after standing
Pump extracts the waste water above mud out；
(3) sterilizing: after waste water exhausts, the fungicide of 2kg is added in every cube of mud, includes in every kg fungicide
The parts by weight of following components: hypochlorous acid 4kg, quick lime 3kg and calper calcium peroxide 4kg stand 4h after mixing evenly, pass through hypochlorous acid
The pathogenic microorganism and worm's ovum in mud can be killed, temperature when mud sterilization can be improved, by quick lime to inhibit bacterium
It generates, the molysite of 1~2kg is then added in every cube of mud, by the way that molysite is added, the stench that mud distributes can be reduced；
(4) getting fat: the yeast of 3kg being added in every cube of mud, sprinkles sodium hydroxide after uniform stirring, sodium hydroxide
With a thickness of 3cm, and cover film and seal sludge-tank and ferment, fermentation time 2d, sodium hydroxide with it is residual in mud
Meeting heat release after remaining contact with moisture, since sodium hydroxide is in muck surface, meeting sodium hydroxide can keep the temperature mud, with
Shorten fermentation time, improve the efficiency of fermentation, fermentation will increase the fertility of mud, improve the service efficiency of mud；
(5) it dries: the mud after fermentation being salvaged, is dried by rotary kiln, and the mud after drying is led to
It crosses pulverizer and breaks into powdery, the fertility in moisture for adulterating mud is transferred in mud；
(6) cinder 0.2kg, plant ash 0.2kg, fine sand 0.3kg and clay system fertilizer: are added in the mud of the powdery of every kg
Base manure is made in 0.3kg after mixing evenly, by the way that plant ash is added, is mixed into the fertility in mud in plant ash, by being added carefully
Sand avoids mud and plant ash from being condensed into blocks, and by the way that cinder is added, can insert mud and plant ash in the gap of cinder, with
Cinder can be wrapped up by the way that clay is added convenient for the storage of fertility, fertility is avoided to be lost.
Embodiment 3
Municipal sewer mud purification method provided in this embodiment, comprising the following steps:
(1) mud is collected: first scraping in sump the mud in sewer, water is then added in sump, make to become silted up
Mud forms mud, then siphons away mud by the sludge pump on sludge vehicle, then reaches at sludge-tank sludge-tank, mud is put
Enter in sludge-tank；
(2) it pre-processes: the flocculant of 5kg being added in every cube of mud, and the mud added with flocculant is stirred
2h is stood after even, when standing, flocculant accelerates the deposition efficiency of mud, forms mud and waste water and is layered, passes through water after standing
Pump extracts the waste water above mud out；
(3) sterilizing: after waste water exhausts, the fungicide of 3kg is added in every cube of mud, includes in every kg fungicide
The parts by weight of following components: hypochlorous acid 6kg, quick lime 5kg and calper calcium peroxide 2kg stand 6h after mixing evenly, pass through hypochlorous acid
The pathogenic microorganism and worm's ovum in mud can be killed, temperature when mud sterilization can be improved, by quick lime to inhibit bacterium
It generates, the molysite of 2kg is then added in every cube of mud, by the way that molysite is added, the stench that mud distributes can be reduced；
(4) getting fat: the yeast of 3kg being added in every cube of mud, sprinkles sodium hydroxide after uniform stirring, sodium hydroxide
With a thickness of 4cm, and cover film and seal sludge-tank and ferment, fermentation time 3d, sodium hydroxide with it is residual in mud
Meeting heat release after remaining contact with moisture, since sodium hydroxide is in muck surface, meeting sodium hydroxide can keep the temperature mud, with
Shorten fermentation time, improve the efficiency of fermentation, fermentation will increase the fertility of mud, improve the service efficiency of mud；
(5) it dries: the mud after fermentation being salvaged, is dried by rotary kiln, and the mud after drying is led to
It crosses pulverizer and breaks into powdery, the fertility in moisture for adulterating mud is transferred in mud；
(6) cinder 0.4kg, plant ash 0.2kg, fine sand 0.4kg and clay system fertilizer: are added in the mud of the powdery of every kg
Base manure is made in 0.3kg after mixing evenly, by the way that plant ash is added, is mixed into the fertility in mud in plant ash, by being added carefully
Sand avoids mud and plant ash from being condensed into blocks, and by the way that cinder is added, can insert mud and plant ash in the gap of cinder, with
Cinder can be wrapped up by the way that clay is added convenient for the storage of fertility, fertility is avoided to be lost.
Embodiment 4
Municipal sewer mud purification method provided in this embodiment, comprising the following steps:
(1) mud is collected: first scraping in sump the mud in sewer, water is then added in sump, make to become silted up
Mud forms mud, then siphons away mud by the sludge pump on sludge vehicle, then reaches at sludge-tank sludge-tank, mud is put
Enter in sludge-tank；
(2) it pre-processes: the flocculant of 3kg being added in every cube of mud, and the mud added with flocculant is stirred
2h is stood after even, when standing, flocculant accelerates the deposition efficiency of mud, forms mud and waste water and is layered, passes through water after standing
Pump extracts the waste water above mud out；
(3) sterilizing: after waste water exhausts, the fungicide of 3kg is added in every cube of mud, includes in every kg fungicide
The parts by weight of following components: hypochlorous acid 5kg, quick lime 5kg and calper calcium peroxide 3kg stand 4h after mixing evenly, pass through hypochlorous acid
The pathogenic microorganism and worm's ovum in mud can be killed, temperature when mud sterilization can be improved, by quick lime to inhibit bacterium
It generates, the molysite of 2kg is then added in every cube of mud, by the way that molysite is added, the stench that mud distributes can be reduced；
(4) getting fat: the yeast of 4kg being added in every cube of mud, sprinkles sodium hydroxide after uniform stirring, sodium hydroxide
With a thickness of 3cm, and cover film and seal sludge-tank and ferment, fermentation time 2d, sodium hydroxide with it is residual in mud
Meeting heat release after remaining contact with moisture, since sodium hydroxide is in muck surface, meeting sodium hydroxide can keep the temperature mud, with
Shorten fermentation time, improve the efficiency of fermentation, fermentation will increase the fertility of mud, improve the service efficiency of mud；
(5) it dries: the mud after fermentation being salvaged, is dried by rotary kiln, and the mud after drying is led to
It crosses pulverizer and breaks into powdery, the fertility in moisture for adulterating mud is transferred in mud；
(6) cinder 0.2kg, plant ash 0.2kg, fine sand 0.3kg and clay system fertilizer: are added in the mud of the powdery of every kg
Base manure is made in 0.4kg after mixing evenly, by the way that plant ash is added, is mixed into the fertility in mud in plant ash, by being added carefully
Sand avoids mud and plant ash from being condensed into blocks, and by the way that cinder is added, can insert mud and plant ash in the gap of cinder, with
Cinder can be wrapped up by the way that clay is added convenient for the storage of fertility, fertility is avoided to be lost.
Embodiment 5
Municipal sewer mud purification method provided in this embodiment, comprising the following steps:
(1) mud is collected: first scraping in sump the mud in sewer, water is then added in sump, make to become silted up
Mud forms mud, then siphons away mud by the sludge pump on sludge vehicle, then reaches at sludge-tank sludge-tank, mud is put
Enter in sludge-tank；
(2) it pre-processes: the flocculant of 3kg being added in every cube of mud, and the mud added with flocculant is stirred
3h is stood after even, when standing, flocculant accelerates the deposition efficiency of mud, forms mud and waste water and is layered, passes through water after standing
Pump extracts the waste water above mud out；
(3) sterilizing: after waste water exhausts, the fungicide of 3kg is added in every cube of mud, includes in every kg fungicide
The parts by weight of following components: hypochlorous acid 4kg, quick lime 4kg and calper calcium peroxide 2kg stand 5h after mixing evenly, pass through hypochlorous acid
The pathogenic microorganism and worm's ovum in mud can be killed, temperature when mud sterilization can be improved, by quick lime to inhibit bacterium
It generates, the molysite of 1kg is then added in every cube of mud, by the way that molysite is added, the stench that mud distributes can be reduced；
(4) getting fat: the yeast of 4kg being added in every cube of mud, sprinkles sodium hydroxide after uniform stirring, sodium hydroxide
With a thickness of 3cm, and cover film and seal sludge-tank and ferment, fermentation time 3d, sodium hydroxide with it is residual in mud
Meeting heat release after remaining contact with moisture, since sodium hydroxide is in muck surface, meeting sodium hydroxide can keep the temperature mud, with
Shorten fermentation time, improve the efficiency of fermentation, fermentation will increase the fertility of mud, improve the service efficiency of mud；
(5) it dries: the mud after fermentation being salvaged, is dried by rotary kiln, and the mud after drying is led to
It crosses pulverizer and breaks into powdery, the fertility in moisture for adulterating mud is transferred in mud；
(6) cinder 03kg, plant ash 0.2kg, fine sand 0.4kg and clay system fertilizer: are added in the mud of the powdery of every kg
Base manure is made in 0.3kg after mixing evenly, by the way that plant ash is added, is mixed into the fertility in mud in plant ash, by being added carefully
Sand avoids mud and plant ash from being condensed into blocks, and by the way that cinder is added, can insert mud and plant ash in the gap of cinder, with
Cinder can be wrapped up by the way that clay is added convenient for the storage of fertility, fertility is avoided to be lost.
The above is only the preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, any
The transformation and replacement carried out based on technical solution provided by the present invention and inventive concept should all be covered in protection model of the invention
In enclosing.
Claims (3)
1. a kind of municipal sewer mud purification method, it is characterised in that the following steps are included:
(1) mud is collected: being collected the mud in sewer by sludge vehicle, and is transferred to sludge-tank；
(2) it pre-processes: the flocculant of 3~5kg being added in every cube of mud, after mixing evenly by the mud added with flocculant
2~3h is stood, is extracted out the waste water of muck surface by water pump after standing；
(3) sterilizing: after waste water exhausts, in every cube of mud be added 2~3kg fungicide, after mixing evenly stand 4~
The molysite of 1~2kg is then added in 6h in every cube of mud；
(4) getting fat: the catalyst of 3~4kg is added in every cube of mud, sprinkles sodium hydroxide, sodium hydroxide after uniform stirring
With a thickness of 3~4cm, and cover film and seal sludge-tank and ferment, fermentation time is 2~3d；
(5) it dries: the mud after fermentation being salvaged, is dried by rotary kiln, and the mud after drying is passed through into powder
Broken machine breaks into powdery；
(6) system fertilizer: in the mud of the powdery of every kg be added 0.2~0.4kg of cinder, 0.1~0.2kg of plant ash, fine sand 0.3~
Base manure is made in 0.4kg and 0.3~0.4kg of clay after mixing evenly.
2. municipal sewer mud purification method according to claim 1, it is characterised in that: every kg in the step (3)
It include the parts by weight of following components: 2~4kg of 4~6kg of hypochlorous acid, 3~5kg of quick lime and calper calcium peroxide in fungicide.
3. municipal sewer mud purification method according to claim 1, it is characterised in that: urging in the step (4)
Agent is yeast.
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| CN110204379A (en) * | 2019-07-03 | 2019-09-06 | 中交一公局海威工程建设有限公司 | A kind of method and slow-release organic fertilizer preparing organic fertilizer using riverway sludge |
| CN110839509A (en) * | 2019-11-12 | 2020-02-28 | 江苏澳洋生态园林股份有限公司 | Method for treating river and lake sludge and then using water-land interlaced belt plant planting matrix |
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Application publication date: 20181225 |