CN107583932B - A method of recycling waste diapers and sanitary napkins to prepare water-retaining materials - Google Patents
A method of recycling waste diapers and sanitary napkins to prepare water-retaining materials Download PDFInfo
- Publication number
- CN107583932B CN107583932B CN201710721807.8A CN201710721807A CN107583932B CN 107583932 B CN107583932 B CN 107583932B CN 201710721807 A CN201710721807 A CN 201710721807A CN 107583932 B CN107583932 B CN 107583932B
- Authority
- CN
- China
- Prior art keywords
- disinfection treatment
- base material
- water
- treatment equipment
- sanitary napkins
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 77
- 239000002699 waste material Substances 0.000 title claims abstract description 29
- 238000004064 recycling Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims description 18
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 63
- 239000002689 soil Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000126 substance Substances 0.000 claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 14
- 239000004568 cement Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 42
- 238000001035 drying Methods 0.000 claims description 19
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 7
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000007844 bleaching agent Substances 0.000 claims description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000005352 clarification Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 238000010298 pulverizing process Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 24
- 229920005989 resin Polymers 0.000 abstract description 24
- 244000025254 Cannabis sativa Species 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000002745 absorbent Effects 0.000 description 20
- 239000002250 absorbent Substances 0.000 description 20
- 230000001678 irradiating effect Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Treatment Of Sludge (AREA)
Abstract
本发明公开了一种废弃尿不湿和卫生巾回收制备保水材料技术，所述废弃尿不湿和卫生巾经过粉碎机进行机械粉碎制成基料，然后将基料依次送入物理消毒处理设备和化学消毒处理设备中进行物理和化学消毒处理，消毒处理后的基料与土壤、污染土壤、污泥、水泥单独或混合互配制备成保水材料，废弃尿不湿和卫生巾中的高吸水性树脂与土壤、污染土壤、污泥混合，在雨季时，高吸水性树脂吸收水分，将水分锁存在高吸水性树脂内，然后在非雨季时，高吸水性树脂中锁存的水分缓慢释放，释放到土壤中，用于石漠化、沙漠化等干旱地区种植草、灌木、树木，减缓或治理大自然石漠化、沙漠化，而在与水泥混合用于道路修建时受破坏的偏坡、建筑外墙等的绿化。The invention discloses a technology for recycling waste diapers and sanitary napkins to prepare water-retaining materials. The waste diapers and sanitary napkins are mechanically pulverized by a pulverizer to form base materials, and then the base materials are sequentially sent to physical disinfection treatment equipment Physical and chemical disinfection treatment is carried out in chemical disinfection treatment equipment. The base material after disinfection treatment is mixed with soil, polluted soil, sludge, and cement to prepare water-retaining materials alone or in combination. Waste diapers and high water absorption in sanitary napkins The superabsorbent resin is mixed with soil, polluted soil and sludge. In the rainy season, the superabsorbent resin absorbs water and locks the water in the superabsorbent resin, and then in the non-rainy season, the water locked in the superabsorbent resin is slowly released. , released into the soil, used for planting grass, shrubs, trees in arid areas such as rocky desertification and desertification, slowing down or controlling natural rocky desertification and desertification, and when mixed with cement for road construction, the damaged slopes, Greening of building exterior walls, etc.
Description
Technical Field
The invention relates to the technical field of environmental management, in particular to a method for preparing a water retention material by recovering waste diapers and sanitary towels.
Background
The diaper is a daily use article for babies and is a general name of paper diapers, paper diapers and pull-up pants. The dry and comfortable diaper can keep the baby to sleep well all night, is commonly called as the diaper due to strong water absorption, wherein, the super absorbent resin (called as macromolecule SAP for short) is a perfect material for manufacturing the baby diaper and is made of starch and acrylic acid salt as main raw materials; the sanitary towel is an absorptive substance, and is mainly made of cotton, non-woven fabric, paper pulp or high-molecular polymer and high-molecular polymer composite paper formed by composites of the above materials, but the diaper and the sanitary towel are disposable articles and are directly discarded or burned in a centralized manner after being used, so that the environmental pollution and the resource waste are caused.
Aiming at the problems, the technology for preparing the water retention material by recycling the waste diaper and the sanitary towel is provided, so that the waste diaper is used for planting grass, shrubs and trees in arid regions such as stony desertification, desertification and the like, and the natural stony desertification, desertification and road construction are slowed down or controlled to be damaged for repairing.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a technology for preparing a water retention material by recovering waste diapers and sanitary towels, which fully utilizes the water absorbability of super absorbent resins in the waste diapers and the sanitary towels to latch water in the super absorbent resins in soil, polluted soil and sludge, then slowly releases the water latched in the super absorbent resins into the soil in non-rainy seasons, and simultaneously ensures that the water retention material in cement (which is not repaired) is easier to repair when roads are built.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for preparing a water retention material by recycling waste diapers and sanitary towels is characterized in that the waste diapers and the sanitary towels are mechanically crushed into base materials by a crusher, then the base materials are sequentially sent into a physical disinfection treatment device and a chemical disinfection treatment device to be subjected to physical and chemical disinfection treatment, and the base materials after the disinfection treatment are independently or mixedly matched with soil, polluted soil, sludge and cement to prepare the water retention material.
The physical disinfection treatment equipment is ultraviolet disinfection equipment, and the wavelength of ultraviolet is 240-280 nm.
The chemical disinfection treatment equipment is ozone type disinfection equipment.
Stirring devices are arranged in the physical disinfection treatment equipment and the chemical disinfection treatment equipment.
The operation of the invention is carried out according to the following steps:
(1) firstly, cleaning and airing the recovered waste diaper and sanitary towel, and then sending the waste diaper and sanitary towel into a crusher for mechanical crushing to prepare a base material;
(2) sending the base material into physical disinfection treatment equipment, irradiating by using ultraviolet light with the wavelength of 240-280nm, continuously stirring by using a stirring device in the disinfection treatment equipment in the irradiation process, fully irradiating the base material by using the ultraviolet light, simultaneously filling high-temperature steam into the equipment after the ultraviolet light irradiation is finished, continuously stirring by using the stirring device in the disinfection treatment equipment, and drying the base material after the disinfection treatment by using drying equipment;
(3) feeding the physically sterilized base material into a chemical disinfection treatment device, continuously stirring by a stirring device in the disinfection treatment device to ensure that the base material is fully contacted with ozone, filling 3 percent medical hydrogen peroxide solution into the treatment device in the stirring process or using bleaching powder clarified liquid, adding 500g of powder into 5 liters of water, uniformly stirring, standing overnight to obtain 10 percent clarified liquid, adding water to obtain the concentration of 0.2 percent, and feeding the base material into a drying device again for drying after the chemical disinfection is finished;
(4) the base material after the disinfection treatment is mixed with soil and polluted soil according to the proportion of 1: 20-50 (mass), or the base material and the sludge are mixed in a ratio of 1: 30-60 (mass), and then mixing the base material and the cement in a ratio of 1: 40-80 (mass) to prepare the water-retaining material.
The beneficial benefits are that: in the invention, the super absorbent resin in the waste diaper and the sanitary towel is mixed with soil, polluted soil and sludge, water is latched in the super absorbent resin in the soil, the polluted soil and the sludge, then the water latched in the super absorbent resin is slowly released to the soil in non-rainy season, and the super absorbent resin is mixed with cement to be used for greening slopes, building outer walls and the like damaged during road construction, and the super absorbent resin is slowly released to the soil.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
(1) Firstly, cleaning and airing the recovered waste diaper and sanitary towel, and then sending the waste diaper and sanitary towel into a crusher for mechanical crushing to prepare a base material;
(2) sending the base material into physical disinfection treatment equipment, irradiating by using ultraviolet light with the wavelength of 240-280nm, continuously stirring by using a stirring device in the disinfection treatment equipment in the irradiation process, fully irradiating the base material by using the ultraviolet light, simultaneously filling high-temperature steam into the equipment after the ultraviolet light irradiation is finished, continuously stirring by using the stirring device in the disinfection treatment equipment, and drying the base material after the disinfection treatment by using drying equipment;
(3) feeding the physically sterilized base material into a chemical disinfection treatment device, continuously stirring by a stirring device in the disinfection treatment device to ensure that the base material is fully contacted with ozone, filling 3 percent medical hydrogen peroxide solution into the treatment device in the stirring process or using bleaching powder clarified liquid, adding 500g of powder into 5 liters of water, uniformly stirring, standing overnight to obtain 10 percent clarified liquid, adding water to obtain the concentration of 0.2 percent, and feeding the base material into a drying device again for drying after the chemical disinfection is finished;
(4) the base material after the disinfection treatment is mixed with soil and polluted soil according to the proportion of 1: 20-50 (mass) of the water-retaining material is prepared by mixing, in rainy season, the super absorbent resin absorbs water and latches the water in the super absorbent resin in soil, polluted soil and sludge, and then in non-rainy season, the water latched in the super absorbent resin is slowly released and released into the soil, so that the water-retaining material is used for planting grass, shrubs and trees in arid regions such as stony desertification, desertification and the like, and slowing or treating the stony desertification and the desertification of the nature.
Example two
(1) Firstly, cleaning and airing the recovered waste diaper and sanitary towel, and then sending the waste diaper and sanitary towel into a crusher for mechanical crushing to prepare a base material;
(2) sending the base material into physical disinfection treatment equipment, irradiating by using ultraviolet light with the wavelength of 240-280nm, continuously stirring by using a stirring device in the disinfection treatment equipment in the irradiation process, fully irradiating the base material by using the ultraviolet light, simultaneously filling high-temperature steam into the equipment after the ultraviolet light irradiation is finished, continuously stirring by using the stirring device in the disinfection treatment equipment, and drying the base material after the disinfection treatment by using drying equipment;
(3) feeding the physically sterilized base material into a chemical disinfection treatment device, continuously stirring by a stirring device in the disinfection treatment device to ensure that the base material is fully contacted with ozone, filling 3 percent medical hydrogen peroxide solution into the treatment device in the stirring process or using bleaching powder clarified liquid, adding 500g of powder into 5 liters of water, uniformly stirring, standing overnight to obtain 10 percent clarified liquid, adding water to obtain the concentration of 0.2 percent, and feeding the base material into a drying device again for drying after the chemical disinfection is finished;
(4) the base material and the sludge after the disinfection treatment are mixed according to the proportion of 1: 30-60 (mass) of the components are mixed to prepare a water retention material, the super absorbent resin absorbs water in rainy season, the water is latched in the super absorbent resin in soil, polluted soil and sludge, and then the water latched in the super absorbent resin is slowly released in non-rainy season and released into the soil, so that the water retention material is used for planting grass, shrubs and trees in arid regions such as stony desertification, desertification and the like, and the stony desertification and the like of the nature are slowed down or treated.
EXAMPLE III
(1) Firstly, cleaning and airing the recovered waste diaper and sanitary towel, and then sending the waste diaper and sanitary towel into a crusher for mechanical crushing to prepare a base material;
(2) sending the base material into physical disinfection treatment equipment, irradiating by using ultraviolet light with the wavelength of 240-280nm, continuously stirring by using a stirring device in the disinfection treatment equipment in the irradiation process, fully irradiating the base material by using the ultraviolet light, simultaneously filling high-temperature steam into the equipment after the ultraviolet light irradiation is finished, continuously stirring by using the stirring device in the disinfection treatment equipment, and drying the base material after the disinfection treatment by using drying equipment;
(3) feeding the physically sterilized base material into a chemical disinfection treatment device, continuously stirring by a stirring device in the disinfection treatment device to ensure that the base material is fully contacted with ozone, filling 3 percent medical hydrogen peroxide solution into the treatment device in the stirring process or using bleaching powder clarified liquid, adding 500g of powder into 5 liters of water, uniformly stirring, standing overnight to obtain 10 percent clarified liquid, adding water to obtain the concentration of 0.2 percent, and feeding the base material into a drying device again for drying after the chemical disinfection is finished;
(4) mixing the base material after the sterilization treatment and cement in a ratio of 1: 40-80 (mass) to prepare the water-retaining material
And (3) greening of damaged slopes, building outer walls and the like during road construction.
The invention has the advantages that: the super absorbent resin in the waste diaper and the sanitary towel is mixed with soil, polluted soil and sludge, the super absorbent resin absorbs water in rainy season, the super absorbent resin latches the water in the soil, the polluted soil and the sludge, and then the water latched in the super absorbent resin is slowly released in non-rainy season and is released into the soil, so that the super absorbent resin is used for planting grass, shrubs and trees in arid regions such as stony desertification, desertification and the like, slowing or controlling the stony desertification and the desertification of nature, and is mixed with cement to be used for greening slopes damaged in road construction, building outer walls and the like.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721807.8A CN107583932B (en) | 2017-08-22 | 2017-08-22 | A method of recycling waste diapers and sanitary napkins to prepare water-retaining materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721807.8A CN107583932B (en) | 2017-08-22 | 2017-08-22 | A method of recycling waste diapers and sanitary napkins to prepare water-retaining materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107583932A CN107583932A (en) | 2018-01-16 |
| CN107583932B true CN107583932B (en) | 2021-05-28 |
Family
ID=61041726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710721807.8A Expired - Fee Related CN107583932B (en) | 2017-08-22 | 2017-08-22 | A method of recycling waste diapers and sanitary napkins to prepare water-retaining materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107583932B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900010062A1 (en) * | 2019-06-25 | 2020-12-25 | Fater Spa | PROCEDURE FOR THE STERILIZATION AND DECONTAMINATION OF POST-CONSUMER ABSORBENT HEALTH PRODUCTS CONTAMINATED BY ORGANIC COMPOUNDS DERIVED FROM HUMAN METABOLISM |
| PL430523A1 (en) * | 2019-07-09 | 2021-01-11 | Green Hills Spółka Z Ograniczoną Odpowiedzialnością | The method of preparing the mass for biological reclamation of land devoid of all life with the use of waste |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953289B (en) * | 2009-10-10 | 2012-02-01 | 梁晓辉 | Plant planting matrix from waste diapers and preparation method thereof |
| CN102320882B (en) * | 2011-06-10 | 2013-08-21 | 邓华平 | Environment-friendly lightweight vegetation block |
| CN102503072A (en) * | 2011-11-24 | 2012-06-20 | 苏州科技学院 | Process for recycling water absorbent resins in discarded diapers to sludge dewatering |
| ITTO20111090A1 (en) * | 2011-11-28 | 2013-05-29 | Fater Spa | EQUIPMENT AND PROCEDURE FOR THE RECYCLING OF ABSORBENT SANITARY PRODUCTS |
-
2017
- 2017-08-22 CN CN201710721807.8A patent/CN107583932B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107583932A (en) | 2018-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106460327A (en) | Method for making recycled pulp from used sanitary products | |
| CN106687228A (en) | Method for recovering pulp fibers from used hygiene products and recycled pulp obtained by the method | |
| CN107583932B (en) | A method of recycling waste diapers and sanitary napkins to prepare water-retaining materials | |
| GB2544621B (en) | A method of processing waste material including a super absorbent polymer | |
| CN105602261A (en) | Method for improving thermal stability of fish skin gelatin film | |
| JPH06502454A (en) | Processing of absorbent sanitary paper products | |
| CN109477297A (en) | Method for recovering pulp fibers from used absorbent articles | |
| WO2023210528A1 (en) | Method for producing plastic material derived from used sanitary product suitable for material recycling or chemical recycling, and plastic material derived from used sanitary product | |
| GB2492171A (en) | Sanitary articles comprising biodegradable plastic and Bacillus spores | |
| CN104396767A (en) | Modified straw carbon-based cat litter added with waste paper and waste cloth and preparation method thereof | |
| CN105696333A (en) | Preparation method of compound antibacterial fibers | |
| CN105833330A (en) | Preparation method of bamboo-based nano cellulose collagen composite material | |
| JP2009172599A (en) | Method for treating used paper diaper | |
| WO2021075148A1 (en) | Production method for biogas using used sanitary articles | |
| JP6820961B2 (en) | Use of recycled pulp for hygiene products and hygiene products | |
| WO2025142580A1 (en) | Resin composition derived from used sanitary article containing excreta | |
| CN106581735A (en) | Water-absorbing high polymer material for baby diapers and preparation method thereof | |
| WO2018119970A1 (en) | Recycling method, recycling system and water storage system for absorbent article | |
| CN105417789A (en) | Method for removing algae in water | |
| TWI630959B (en) | Recycling Method And Recycling System For Aborbing Products | |
| KR20160142954A (en) | Multipurpose sheet having improved water-absorption force and its manufacturing method | |
| CN104488731A (en) | Cat litter as main material of a kind of coral reef and preparation method thereof | |
| CN112869953A (en) | Production method of aromatic nano-silver paper diaper | |
| CN106880088A (en) | A kind of Graphene far infrared heating socks | |
| CN104429986A (en) | Bagasse cat litter and producing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |