CN107812513B - Method for preparing oil stain absorbent by utilizing kitchen and vegetable peel garbage - Google Patents
Method for preparing oil stain absorbent by utilizing kitchen and vegetable peel garbage Download PDFInfo
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- CN107812513B CN107812513B CN201710977550.2A CN201710977550A CN107812513B CN 107812513 B CN107812513 B CN 107812513B CN 201710977550 A CN201710977550 A CN 201710977550A CN 107812513 B CN107812513 B CN 107812513B
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- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28011—Other properties, e.g. density, crush strength
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- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
- B01J2220/4887—Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
Abstract
The invention relates to a kitchen pericarp waste treatment method, in particular to a method for preparing an oil stain adsorbent by utilizing kitchen vegetable pericarp waste, which comprises the steps of crushing vegetable pericarp, feeding the crushed vegetable pericarp into a treatment barrel, adding sodium metasilicate pentahydrate and acetic acid, mixing and stirring, then emulsifying, inoculating rhodopseudomonas palustris into an emulsified material, fermenting, feeding the fermented material into a granulator, granulating, and then carrying out vacuum drying.
Description
Technical Field
The invention relates to a kitchen peel waste treatment method, in particular to a method for preparing an oil stain absorbent by utilizing kitchen vegetable peel waste.
Background
Kitchen waste, commonly known as swill, is a domestic waste formed in the process of domestic consumption of residents, is extremely easy to rot and deteriorate, emits foul odor, and spreads bacteria and viruses. The main components of the kitchen waste comprise rice and flour food residues, vegetables, animal and vegetable oil, meat and bones and the like, and the kitchen waste comprises starch, cellulose, protein, lipid and inorganic salt in terms of chemical composition. The kitchen waste is mainly characterized by being rich in organic matter content, high in water content and easy to decay, the properties and smell of the kitchen waste can cause bad influence on environmental sanitation, and harmful substances such as pyrrole microorganisms and mycotoxin are easy to grow, so that the problems of environmental pollution, harm to human health, disease propagation, increase of burden of a sewage treatment plant and the like can be caused if the kitchen waste is not effectively treated, and at present, treatment research aiming at the kitchen waste is centered on the aspect of preparing organic feed by utilizing the kitchen waste, and the research on the aspect of preparing an oil stain adsorbent by utilizing the kitchen waste is not seen.
Disclosure of Invention
In order to solve the technical problem of high-yield breeding of the existing tubificidae, the invention provides a method for preparing an oil stain absorbent by utilizing kitchen and vegetable peel garbage.
The scheme of the invention is as follows: a method for preparing an oil stain absorbent by utilizing kitchen and vegetable peel garbage comprises the following specific steps:
(1) crushing the vegetable and fruit peel, feeding the crushed vegetable and fruit peel into a treatment barrel, adding sodium metasilicate pentahydrate and 1-1.5% acetic acid according to the weight ratio of 4-5%, uniformly mixing, stirring and treating for 6-7 hours at the temperature of 75-80 ℃, wherein the stirring speed is 20-22r/min, so as to obtain a stirring material, the treatment can obviously improve the specific surface area of the crushed vegetable and fruit peel particles, after treatment, the specific surface area of the vegetable and fruit peel particles is improved by more than 68 times compared with that before treatment, and the stirring material has a key effect on the adsorption effect of an adsorbent;
(2) performing secondary emulsification treatment on the stirred material, wherein the pressure of the primary emulsification treatment is 30-32MPa, the rotating speed is 2000-2200rpm, the pressure of the secondary emulsification treatment is 0.12-0.15MPa, and the rotating speed is 500-550rpm to obtain an emulsified material, and after the secondary emulsification treatment, the dispersibility and the suspension property of the vegetable and fruit peel particles are ensured, so that the prepared adsorbent can be well dispersed and suspended in oil stains;
(3) inoculating rhodopseudomonas palustris into the emulsified material according to the weight ratio of 1.6-1.8 per mill, fermenting for 20-22 hours at the temperature of 33-35 ℃, stirring in the fermentation treatment process to ensure that the temperature of the emulsified material is not higher than 42 ℃, finally obtaining the fermented material, and after the rhodopseudomonas palustris is inoculated for fermentation treatment, improving the overall viscosity of the emulsified material by more than 10 times, forming stable particles and ensuring that the finally obtained adsorbent cannot be broken and dispersed when absorbing oil stains in dirt;
(4) and (4) feeding the fermented material into a granulator for granulation, and then carrying out vacuum drying.
Preferably, the pressure of the first-stage emulsification treatment is 32MPa, the rotating speed is 2000rpm, the pressure of the second-stage emulsification treatment is 0.12MPa, and the rotating speed is 500rpm, so that the emulsified material is obtained.
Preferably, rhodopseudomonas palustris is inoculated into the emulsified material according to the weight ratio of 1.8 per mill, and the fermentation treatment is carried out for 20 hours at the temperature of 35 ℃.
Preferably, the particle size of the granules is 1.5-2mm, and the obtained adsorbent has the best adsorbability and dispersibility.
Preferably, when the oil stain absorbent prepared by the invention is used, the oil stain absorbent is mixed with the dirt to be treated, and the mixture is fished out after 10 to 12 minutes;
preferably, when the oil stain absorbent prepared by the invention is used, the oil stain absorbent is mixed with the dirt to be treated, stirred at the speed of 25-30r/min for 10-12 minutes and then fished out.
The beneficial effect of the invention is that,
(1) the adsorbent is prepared by taking kitchen, vegetable, fruit and peel garbage as a raw material, and has the advantages of low cost, simple preparation process and low equipment requirement;
(2) the adsorbent prepared by the invention has better physical adsorption and larger specific surface area, has better dispersibility in oil stains, can adsorb a large amount of oil stains in a short time, has obvious oil stain removing capability, can be further applied to industrial and domestic wastewater to remove the oil stains, and can adsorb the oil stains with the mass of more than 2.8 times according to the mass ratio;
(3) the adsorbent obtained by the invention has light weight and good suspension property, is suspended on the surface of dirt together with oil stain during treatment, has the recovery rate close to 100 percent, is simple to recover and avoids secondary pollution.
Detailed Description
Embodiment 1, a method for preparing an oil stain absorbent by using kitchen and vegetable peel garbage, which comprises the following specific steps:
(1) crushing the vegetable and fruit peel, sending into a treatment barrel, adding sodium metasilicate pentahydrate and 1% acetic acid according to the weight ratio of 4%, uniformly mixing, and stirring at 75 ℃ for 6 hours at the stirring speed of 20r/min to obtain a stirred material;
(2) performing secondary emulsification treatment on the stirred material, wherein the pressure of the primary emulsification treatment is 30MPa, the rotating speed is 2000rpm, the pressure of the secondary emulsification treatment is 0.12MPa, and the rotating speed is 500rpm to obtain an emulsified material;
(3) inoculating rhodopseudomonas palustris into the emulsified material according to the weight ratio of 1.6 per mill, fermenting for 20 hours at the temperature of 33 ℃, and stirring in the fermentation process to ensure that the temperature of the emulsified material is not higher than 42 ℃ to finally obtain a fermented material;
(4) and (3) feeding the fermented material into a granulator for granulation, and then carrying out vacuum drying, wherein the grain size of the granules is 1.5-2 mm.
Embodiment 2, a method for preparing an oil stain absorbent by using kitchen and vegetable peel garbage, which comprises the following specific steps:
(1) crushing the vegetable and fruit peel, sending into a treatment barrel, adding 5 wt% of sodium metasilicate pentahydrate and 1.5 wt% of acetic acid, uniformly mixing, and stirring at 80 ℃ for 7 hours at a stirring speed of 22r/min to obtain a stirred material;
(2) performing secondary emulsification treatment on the stirred material, wherein the pressure of the primary emulsification treatment is 32MPa, the rotating speed is 2200rpm, the pressure of the secondary emulsification treatment is 0.15MPa, and the rotating speed is 550rpm, so as to obtain an emulsified material;
(3) inoculating rhodopseudomonas palustris into the emulsified material according to the weight ratio of 1.8 per mill, fermenting for 22 hours at the temperature of 35 ℃, and stirring in the fermentation process to ensure that the temperature of the emulsified material is not higher than 42 ℃ to finally obtain a fermented material;
(4) and (3) feeding the fermented material into a granulator for granulation, and then carrying out vacuum drying, wherein the grain size of the granules is 1.5-2 mm.
Embodiment 3, a method for preparing an oil stain absorbent by using kitchen and vegetable pericarp garbage, which comprises the following specific steps:
(1) crushing the vegetable and fruit peel, sending into a treatment barrel, adding sodium metasilicate pentahydrate and 1.2% acetic acid according to the weight ratio of 4-5%, uniformly mixing, and stirring at 76 ℃ for 6.3 hours at the stirring speed of 21r/min to obtain a stirring material;
(2) performing secondary emulsification treatment on the stirred material, wherein the pressure of the primary emulsification treatment is 31MPa, the rotating speed is 2100rpm, the pressure of the secondary emulsification treatment is 0.13MPa, and the rotating speed is 520rpm, so as to obtain an emulsified material;
(3) inoculating rhodopseudomonas palustris into the emulsified material according to the weight ratio of 1.7 per mill, fermenting for 21 hours at 34 ℃, and stirring in the fermentation treatment process to ensure that the temperature of the emulsified material is not higher than 42 ℃ to finally obtain a fermented material;
(4) and (3) feeding the fermented material into a granulator for granulation, and then carrying out vacuum drying, wherein the grain size of the granules is 1.5-2 mm.
Embodiment 4, a method for preparing an oil stain absorbent by using kitchen and vegetable pericarp garbage, which comprises the following specific steps:
(1) crushing the vegetable and fruit peel, sending into a treatment barrel, adding sodium metasilicate pentahydrate and 1.3% acetic acid according to the weight ratio of 4.8%, uniformly mixing, and stirring at 79 ℃ for 6.8 hours at the stirring speed of 21r/min to obtain a stirring material;
(2) performing secondary emulsification treatment on the stirred material, wherein the pressure of the primary emulsification treatment is 31MPa, the rotating speed is 2150rpm, the pressure of the secondary emulsification treatment is 0.14MPa, and the rotating speed is 540rpm, so as to obtain an emulsified material;
(3) inoculating rhodopseudomonas palustris into the emulsified material according to the weight ratio of 1.7 per mill, fermenting for 21 hours at 34 ℃, and stirring in the fermentation treatment process to ensure that the temperature of the emulsified material is not higher than 42 ℃ to finally obtain a fermented material;
(4) and (3) feeding the fermented material into a granulator for granulation, and then carrying out vacuum drying, wherein the grain size of the granules is 1.5-2 mm.
Claims (5)
1. A method for preparing an oil stain absorbent by utilizing kitchen and vegetable peel garbage is characterized by comprising the following specific steps:
(1) crushing the vegetable and fruit peel, sending into a treatment barrel, adding sodium metasilicate pentahydrate and 1-1.5% acetic acid according to the weight ratio of 4-5%, uniformly mixing, and stirring at the temperature of 75-80 ℃ for 6-7 hours at the stirring speed of 20-22r/min to obtain a stirring material;
(2) performing secondary emulsification treatment on the stirred material, wherein the pressure of the primary emulsification treatment is 30-32MPa, the rotating speed is 2000-550 rpm, the pressure of the secondary emulsification treatment is 0.12-0.15MPa, and the rotating speed is 500-550rpm, so as to obtain an emulsified material;
(3) inoculating rhodopseudomonas palustris into the emulsified material according to the weight ratio of 1.6-1.8 per mill, fermenting for 20-22 hours at the temperature of 33-35 ℃, and stirring in the fermentation treatment process to ensure that the temperature of the emulsified material is not higher than 42 ℃ to finally obtain a fermented material;
(4) and (4) feeding the fermented material into a granulator for granulation, and then carrying out vacuum drying.
2. The method for preparing the oil stain absorbent by using the kitchen vegetable and fruit peel garbage according to claim 1,
crushing the vegetable and fruit peel, sending into a treatment barrel, adding sodium metasilicate pentahydrate and 1.5% acetic acid according to the weight ratio of 4%, uniformly mixing, and stirring at the temperature of 75 ℃ for 7 hours at the stirring speed of 22r/min to obtain a stirred material.
3. The method for preparing the oil stain absorbent by using the kitchen vegetable and fruit peel garbage according to claim 1,
the pressure of the first-stage emulsification treatment is 32MPa, the rotating speed is 2000rpm, the pressure of the second-stage emulsification treatment is 0.12MPa, and the rotating speed is 500rpm, so that the emulsified material is obtained.
4. The method for preparing the oil stain absorbent by using the kitchen vegetable and fruit peel garbage according to claim 1,
inoculating Rhodopseudomonas palustris to the emulsified material according to the weight ratio of 1.8 per mill, and fermenting at 35 ℃ for 20 hours.
5. The method for preparing the oil stain absorbent by using the kitchen vegetable and fruit peel garbage according to claim 1,
the grain diameter of the granules is between 1.5 and 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710977550.2A CN107812513B (en) | 2017-10-19 | 2017-10-19 | Method for preparing oil stain absorbent by utilizing kitchen and vegetable peel garbage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710977550.2A CN107812513B (en) | 2017-10-19 | 2017-10-19 | Method for preparing oil stain absorbent by utilizing kitchen and vegetable peel garbage |
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| CN107812513A CN107812513A (en) | 2018-03-20 |
| CN107812513B true CN107812513B (en) | 2020-08-04 |
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| CN108465695B (en) * | 2018-04-18 | 2023-12-12 | 宁波悦丰新电有限公司 | Intelligent household kitchen waste processor |
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| JP2002320966A (en) * | 2001-04-25 | 2002-11-05 | Hitachi Chemical Filtec Inc | Oil absorption bag |
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| CN103084377A (en) * | 2013-01-28 | 2013-05-08 | 重庆绿色智能技术研究院 | Treatment and recycling of kitchen wastes |
| CN104498541A (en) * | 2014-12-30 | 2015-04-08 | 湖南大学 | Method for producing short-chain volatile fatty acids by utilizing kitchen wastes and short-chain volatile fatty acids |
| CN106630065A (en) * | 2016-12-27 | 2017-05-10 | 吉林化工学院 | Preparation method of polysilicate aluminum-titanium and chitosan composite flocculant |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847516A (en) * | 2012-08-24 | 2013-01-02 | 嘉兴学院 | Biological modified straw adsorbent, and reparation method and application thereof |
| CN102824897B (en) * | 2012-08-28 | 2015-09-16 | 华南理工大学 | A kind of polluted-water petroleum adsorbent and preparation method thereof |
| CN104273323A (en) * | 2014-09-19 | 2015-01-14 | 中山市鸿程科研技术服务有限公司 | Straw reutilization method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002320966A (en) * | 2001-04-25 | 2002-11-05 | Hitachi Chemical Filtec Inc | Oil absorption bag |
| CN102372316A (en) * | 2010-08-06 | 2012-03-14 | 江红霞 | Water purifying agent used for absorbing organics |
| CN103084377A (en) * | 2013-01-28 | 2013-05-08 | 重庆绿色智能技术研究院 | Treatment and recycling of kitchen wastes |
| CN104498541A (en) * | 2014-12-30 | 2015-04-08 | 湖南大学 | Method for producing short-chain volatile fatty acids by utilizing kitchen wastes and short-chain volatile fatty acids |
| CN106630065A (en) * | 2016-12-27 | 2017-05-10 | 吉林化工学院 | Preparation method of polysilicate aluminum-titanium and chitosan composite flocculant |
Non-Patent Citations (1)
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| "二氧化硅整体材料的制备及其吸油性能的研究";王珊珊;《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》;20150715(第07期);第25-27页和38页 * |
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