CN107029675B - A method of oil suction fibre is prepared using eucalyptus barks - Google Patents
A method of oil suction fibre is prepared using eucalyptus barks Download PDFInfo
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- CN107029675B CN107029675B CN201710288590.6A CN201710288590A CN107029675B CN 107029675 B CN107029675 B CN 107029675B CN 201710288590 A CN201710288590 A CN 201710288590A CN 107029675 B CN107029675 B CN 107029675B
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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
- B01J20/28014—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
- B01J20/28023—Fibres or filaments
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- 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
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
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Abstract
The present invention discloses a kind of method for preparing oil suction fibre using eucalyptus barks, including eucalyptus barks are cut into strip, is put into digester, adds water boiling, and brooming in defibrator is put into after discharging and is discongested, and then purge drying obtains eucalyptus hide fiber of the moisture content less than 8%；Eucalyptus hide fiber is mixed with oleophilic drainage agent again, is impregnated, dehydration is dry to get oil suction fibre.Preparation method raw material of the invention is easy to get, simple production process, the oil suction fibre being prepared has oil absorption efficiency high, it can recycle, it is easy to use, it is degradable, the advantages of post-processing will not generate secondary pollution, will not cause environmental damage has preferable economic benefit, ecological benefits and social benefit.
Description
Technical field
The present invention relates to adsorbent material technical fields, and in particular to a method of oil suction fibre is prepared using eucalyptus barks.
Background technique
With the development of industry, polluting caused by the waste water containing greasy dirt, waste liquid, offshore oil leakage etc. can not be ignored,
Wherein 40% oily pollution comes from oil tanker and shipping in water body, such as oil carrier, tank leakage accident.When oil leak occur at ocean,
Usual 1 ton of petroleum can at sea form covering 12km2The oil film of range, the large area oil film being consequently formed will obstruct normal sea
Gas exchange process, makes unusual weather conditions, influences the circulation of biological chain, to destroy marine ecology balance, gives marine environment and the mankind
Health care belt endangers.When oil spilling enters city river, one layer of oil film will be formed in the water surface, and hinder the mistake of water reaeration
Journey, the dissolved oxygen that part oil spilling will also be consumed in water due to oxidation and largely cause water hypoxia, and fish are dead, water quality by
It destroys.When oil leak occurs at land, it will affect local plant, animal and the region used, destroy soil texture, so that
Its function reduction generates serious harm to the ecosystem of soil.Therefore, when oil spill accident occurs, if without timely
Effective processing, will seriously affect water quality, destroy ecological environment, influence water supply and aquatic resources, or even endanger city dweller's
Health.
At present to the processing method of oil pollution accident, mainly there are fence method, dispersion method, absorption method, freezing method, detergent
Method, filtration method etc., in these processing methods, most viable is to carry out adsorption recovery to oils using oil suction fibre.Oil suction fibre
Kind it is more, using it is most be using synthetic organic polymer substance and natural fiber as oil suction fibre made of raw material.It closes
It is mainly polypropylene synthetic fibers at polymer, polypropylene synthetic fibers are not degradable, and post-processing generates environment
Secondary pollution, it will be gradually eliminated；Also have at present and is made using plant fiber such as cotton, mestha and animal origin such as wool
Oil suction fibre is applied to be studied in oil removing, but these costs of material are higher, is not suitable for long-term a large amount of uses.
Eucalyptus (EucalyptusrobustaSmith) is also known as You Jiali tree, is the general designation of Myrtaceae eucalyptus plant,
There is a country more than 90 to have cultivation eucalyptus.Data is reported according to the study, and bark yield can be with log yield multiplied by coefficient
0.13 acquires.In 2016, single Guangxi just produced about 7,500,000 m3Eucalyptus bark.Currently, eucalyptus barks some for giving birth to
Wood-based plate is produced, however is burnt mostly as fuel, some is even taken as rubbish and throws away, and does not only take up large area in this way
Stacking place, breed pest and disease damage, or even lead to fire, cause the great wasting of resources and environmental pollution.The comprehensive fiber of eucalyptus barks
The content of element and cellulose is high, and it is strong that surface has microcellular structure, capillary attraction to act on, and has large specific surface area and preferable suction
Attached function；Simultaneously also containing objects not soluble in water and having certain lubricating action such as a certain amount of lignin, fatty acid ester, resins
Matter, the characteristics of making eucalyptus barks have the characteristics that oleophylic and hydrophilic, how to utilize eucalyptus barks, develop oil absorption material, will be that eucalyptus barks are ground
The important directions studied carefully.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of method for preparing oil suction fibre using eucalyptus barks, is by eucalyptus
Skin is discongested by hydrolysis boiling, brooming, purge drying and oleophilic drainage are modified is made.Preparation method raw material of the invention is easy to get,
Simple production process, the oil suction fibre being prepared has oil absorption efficiency high, can recycle, easy to use, degradable, after
The advantages of processing will not generate secondary pollution, will not cause environmental damage has preferable economic benefit, ecological benefits and society
It can benefit.
The invention is realized by the following technical scheme:
A method of oil suction fibre being prepared using eucalyptus barks, including hydrolysis boiling → brooming discongests → purge drying → parent
Oily hydrophobically modified → drying process, technological operation step are as follows:
(1) it hydrolyzes boiling: eucalyptus barks being cut into the block of 3~4cm long, are put into digester, 4~5 times of weight are added
Water, heating keep the temperature 60~210min, discharging in being warming up to 140~165 DEG C in 60~90min；
(2) brooming is discongested: will through hydrolysis boiling, treated that material is put into defibrator, wash according to a conventional method,
Sieving, drying, obtains pulp；
(3) purge drying: by pulp according to a conventional method be dispersed in water stand or with scummer remove pulp in the grains of sand,
Small knot and the eucalyptus barks impurity for not steaming solution, then handsheet, is placed in 60 DEG C of air blowers and air-dries, obtain eucalyptus of the moisture content less than 8%
Bark fiber；
(4) oleophilic drainage is modified: eucalyptus hide fiber being mixed with oleophilic drainage agent, is impregnated, dehydration is dry to get oil suction
Fiber.
As a further explanation of the present invention, step (4) the oleophilic drainage modification procedure can also use following steps
Replacement: eucalyptus hide fiber is placed in muffle furnace, with the heating rate of 3 DEG C/min, be warming up to and 300~350 DEG C and keep the temperature 1~
1.5h is to get oil suction fibre.
As a further explanation of the present invention, step (4) the oleophilic drainage agent includes the raw material of following parts by weight: Gu
100~150 parts of body paraffin, 50~70 parts of stearic acid, 10~12 parts of emulsifier, 500~800 parts of water, appropriate potassium hydroxide.
As a further explanation of the present invention, the oleophilic drainage agent the preparation method comprises the following steps: take solid paraffin, stearic acid and
Water is placed in reactor, is heated to 50~60 DEG C, when solid paraffin and stearic acid start fusing, stirring, when solid paraffin and
After stearic acid is completely dissolved, emulsifier is added, continues to stir and be warming up to 75~90 DEG C, potassium hydroxide is added and adjusts reaction solution
PH value reacts 25~60min to 8~9 to get oleophilic drainage agent is arrived.
As a further explanation of the present invention, the emulsifier is Isosorbide-5-Nitrae-morpholine and fatty alcohol and ethylene oxide
The mixture of condensation product, the weight ratio of the Isosorbide-5-Nitrae-morpholine, fatty alcohol and ethylene oxide condensate be 1:0.6~
60。
As a further explanation of the present invention, the weight ratio that step (4) the eucalyptus hide fiber is mixed with oleophilic drainage agent
For 1:22~30.
As a further explanation of the present invention, the time of step (4) described immersion is 60~120min, and temperature is 75~85
℃。
As a further explanation of the present invention, the time of step (4) described drying be 120~180min, temperature be 90~
110℃。
Compared with prior art, the advantages and benefits of the present invention are:
1, preparation method raw material of the invention be easy to get, simple production process, the oil suction fibre being prepared with oil suction imitate
Rate is high, can recycle, easy to use, degradable, post-processing will not generate secondary pollution, will not cause environmental damage
Advantage has preferable economic benefit, ecological benefits and social benefit.
2, the present invention has the characteristic of bigger serface and oleophylic according to eucalyptus barks, is modified preparation to discarded eucalyptus barks
The advantages of oil suction fibre, having turns waste into wealth, and protects environment, reduces production cost.
3, the primary raw material that oleophilic drainage agent of the present invention uses is paraffin, hydrophilic lipophilic balance 0, entirely without hydrophilic
Property, it is lipophilic extremely strong；Isosorbide-5-Nitrae-morpholine pH value is in strong basicity in emulsifier, has dissolution and emulsification to paraffin,
Fatty alcohol and ethylene oxide condensate are nonionic surfactants, and pH value is in neutrality, and stability is high in the solution, not vulnerable to strong
The influence of electrolyte inorganic salts and acid, alkali, hydrophilic lipophilic balance < 9.Using emulsifier of the invention to paraffin and stearic acid
It is emulsified, it is good that paraffin and stearic acid are emulsified effect, high-efficient.
4, the oil suction fibre that is prepared of the present invention has specific gravity small, all waterborne feature before and after oil suction, can it is most fast,
The contact of maximum area simultaneously absorbs oily substance, and oil absorption efficiency is high, easy to use；Moreover, oil suction fibre of the invention also has
Extrudability and can deformation behavior, the oils being adsorbed can be recycled rapidly by the method for simple mechanical presses mode or centrifugation
Oils, recycling is convenient, and the oil suction fibre of oil removing can recycle Reusability, high recycling rate；Further, since suction of the invention
Oily fiber is plant fiber, can be biodegradable, not contaminated soil, environmentally friendly.
Specific embodiment
Embodiment 1
A method of oil suction fibre being prepared using eucalyptus barks, including hydrolysis boiling → brooming discongests → purge drying → parent
Oily hydrophobically modified → drying process, technological operation step are as follows:
(1) it hydrolyzes boiling: eucalyptus barks being cut into the block of 3cm long, are put into digester, the water of 4 times of weight is added, adds
Heat keeps the temperature 60min, discharging in being warming up to 140 DEG C in 60min；
(2) brooming is discongested: will through hydrolysis boiling, treated that material is put into defibrator, wash according to a conventional method,
Sieving, drying, obtains pulp；
(3) purge drying: by pulp according to a conventional method be dispersed in water stand or with scummer remove pulp in the grains of sand,
Small knot and the eucalyptus barks impurity for not steaming solution, then handsheet, is placed in 60 DEG C of air blowers and air-dries, obtain eucalyptus of the moisture content less than 8%
Bark fiber；
It prepares oleophilic drainage agent: taking 100g solid paraffin, 50g stearic acid and 500g water to be placed in reactor, be heated to 50
DEG C, when solid paraffin and stearic acid start fusing, 10g emulsification is added after solid paraffin and stearic acid are completely dissolved in stirring
Agent continues to stir and be warming up to 75 DEG C, and potassium hydroxide is added and adjusts reacting solution pH value to 8, reacts 25min to get oleophylic is arrived
Hydrophobing agent；Wherein the emulsifier is 6.25g1,4- morpholine, 3.75g fatty alcohol and ethylene oxide condensate；
(4) oleophilic drainage is modified: 10g eucalyptus hide fiber being mixed with 220g oleophilic drainage agent, is impregnated at 75 DEG C
60min, dehydration, dry 120min is at 90 DEG C to get oil suction fibre.
Oil suction fibre made from 1g the present embodiment is taken, lies against 5min in oil groove and sink respectively, sample is then taken out and puts
In standing 5min on the net less than 170 purposes, to diesel oil, machine oil, gear oil oil absorption be respectively 28.7g, 25.6g,
33.1g, water absorption 1.1g；Oil suction fibre after oil suction is put into the wide-mouth bottle equipped with 300ml water, oscillator is then used
5min is vibrated, taking-up sample is put in stands 5min less than 170 purposes on the net, and oil-retaining power is respectively 85%, 86%, 88%.
Embodiment 2
A method of oil suction fibre being prepared using eucalyptus barks, including hydrolysis boiling → brooming discongests → purge drying → parent
Oily hydrophobically modified → drying process, technological operation step are as follows:
(1) it hydrolyzes boiling: eucalyptus barks being cut into the block of 4cm long, are put into digester, the water of 5 times of weight is added, adds
Heat keeps the temperature 210min, discharging in being warming up to 165 DEG C in 90min；
(2) brooming is discongested: will through hydrolysis boiling, treated that material is put into defibrator, wash according to a conventional method,
Sieving, drying, obtains pulp；
(3) purge drying: by pulp according to a conventional method be dispersed in water stand or with scummer remove pulp in the grains of sand,
Small knot and the eucalyptus barks impurity for not steaming solution, then handsheet, is placed in 60 DEG C of air blowers and air-dries, obtain eucalyptus of the moisture content less than 8%
Bark fiber；
It prepares oleophilic drainage agent: taking 150g solid paraffin, 70g stearic acid and 800g water to be placed in reactor, be heated to 60
DEG C, when solid paraffin and stearic acid start fusing, 12g emulsification is added after solid paraffin and stearic acid are completely dissolved in stirring
Agent continues to stir and be warming up to 90 DEG C, and potassium hydroxide is added and adjusts reacting solution pH value to 9, reacts 60min to get oleophylic is arrived
Hydrophobing agent；Wherein the emulsifier is 0.2g1,4- morpholine, 11.8g fatty alcohol and ethylene oxide condensate；
(4) oleophilic drainage is modified: 10g eucalyptus hide fiber being mixed with 300g oleophilic drainage agent, is impregnated at 85 DEG C
120min, dehydration, dry 180min is at 110 DEG C to get oil suction fibre.
Oil suction fibre made from 1g the present embodiment is taken, lies against 5min in oil groove and sink respectively, sample is then taken out and puts
In standing 5min on the net less than 170 purposes, to diesel oil, machine oil, gear oil oil absorption be respectively 26.6g, 27.1g,
30.5g, water absorption 1.0g, oil suction fibre can float on liquid level always；Oil suction fibre after oil suction is put into and is equipped with
In the wide-mouth bottle of 300ml water, 5min then is vibrated with oscillator, taking-up sample is put in stands 5min less than 170 purposes on the net,
Oil-retaining power is respectively 87%, 86%, 86%.
Embodiment 3
A method of oil suction fibre being prepared using eucalyptus barks, including hydrolysis boiling → brooming discongests → purge drying → parent
Oily hydrophobically modified → drying process, technological operation step are as follows:
(1) it hydrolyzes boiling: eucalyptus barks being cut into the block of 4cm long, are put into digester, the water of 5 times of weight is added, adds
Heat keeps the temperature 150min, discharging in being warming up to 150 DEG C in 75min；
(2) brooming is discongested: will through hydrolysis boiling, treated that material is put into defibrator, wash according to a conventional method,
Sieving, drying, obtains pulp；
(3) purge drying: by pulp according to a conventional method be dispersed in water stand or with scummer remove pulp in the grains of sand,
Small knot and the eucalyptus barks impurity for not steaming solution, then handsheet, is placed in 60 DEG C of air blowers and air-dries, obtain eucalyptus of the moisture content less than 8%
Bark fiber；
It prepares oleophilic drainage agent: taking 120g solid paraffin, 60g stearic acid and 650g water to be placed in reactor, be heated to 55
DEG C, when solid paraffin and stearic acid start fusing, 11g emulsification is added after solid paraffin and stearic acid are completely dissolved in stirring
Agent continues to stir and be warming up to 80 DEG C, and potassium hydroxide is added and adjusts reacting solution pH value to 9, reacts 40min to get oleophylic is arrived
Hydrophobing agent；Wherein the emulsifier is 5g1,4- morpholine, 6g fatty alcohol and ethylene oxide condensate；
(4) oleophilic drainage is modified: 10g eucalyptus hide fiber being mixed with 280g oleophilic drainage agent, is impregnated at 80 DEG C
100min, dehydration, dry 150min is at 100 DEG C to get oil suction fibre.
Oil suction fibre made from 1g the present embodiment is taken, lies against 5min in oil groove and sink respectively, sample is then taken out and puts
In standing 5min on the net less than 170 purposes, to diesel oil, machine oil, gear oil oil absorption be respectively 28.4g, 27.5g,
34.6g, water absorption 0.7g, oil suction fibre can float on liquid level always；Oil suction fibre after oil suction is put into and is equipped with
In the wide-mouth bottle of 300ml water, 5min then is vibrated with oscillator, taking-up sample is put in stands 5min less than 170 purposes on the net,
Oil-retaining power is respectively 86%, 86%, 88%.
Embodiment 4
A method of oil suction fibre being prepared using eucalyptus barks, including hydrolysis boiling → brooming discongests → purge drying → parent
Oily hydrophobically modified → drying process, technological operation step are as follows:
(1) it hydrolyzes boiling: eucalyptus barks being cut into the block of 3cm long, are put into digester, the water of 4 times of weight is added, adds
Heat keeps the temperature 90min, discharging in being warming up to 155 DEG C in 80min；
(2) brooming is discongested: will through hydrolysis boiling, treated that material is put into defibrator, wash according to a conventional method,
Sieving, drying, obtains pulp；
(3) purge drying: by pulp according to a conventional method be dispersed in water stand or with scummer remove pulp in the grains of sand,
Small knot and the eucalyptus barks impurity for not steaming solution, then handsheet, is placed in 60 DEG C of air blowers and air-dries, obtain eucalyptus of the moisture content less than 8%
Bark fiber；
It prepares oleophilic drainage agent: taking 130g solid paraffin, 65g stearic acid and 700g water to be placed in reactor, be heated to 55
DEG C, when solid paraffin and stearic acid start fusing, 10.5g cream is added after solid paraffin and stearic acid are completely dissolved in stirring
Agent continues to stir and be warming up to 85 DEG C, and potassium hydroxide is added and adjusts reacting solution pH value to 8, reacts 50min to get parent is arrived
Oily hydrophobing agent；Wherein the emulsifier is 1g1,4- morpholine, 9.5g fatty alcohol and ethylene oxide condensate；
(4) oleophilic drainage is modified: 10g eucalyptus hide fiber being mixed with 265g oleophilic drainage agent, is impregnated at 80 DEG C
100min, dehydration, dry 165min is at 105 DEG C to get oil suction fibre.
Oil suction fibre made from 1g the present embodiment is taken, lies against 5min in oil groove and sink respectively, sample is then taken out and puts
In standing 5min on the net less than 170 purposes, to diesel oil, machine oil, gear oil oil absorption be respectively 28.6g, 27.7g,
34.4g, water absorption 0.8g, oil suction fibre can float on liquid level always；Oil suction fibre after oil suction is put into and is equipped with
In the wide-mouth bottle of 300ml water, 5min then is vibrated with oscillator, taking-up sample is put in stands 5min less than 170 purposes on the net,
Oil-retaining power is respectively 87%, 88%, 87%.
Embodiment 5
A method of oil suction fibre being prepared using eucalyptus barks, including hydrolysis boiling → brooming discongests → purge drying → parent
Oily hydrophobically modified → drying process, technological operation step are as follows:
(1) it hydrolyzes boiling: eucalyptus barks being cut into the block of 3cm long, are put into digester, the water of 4 times of weight is added, adds
Heat keeps the temperature 90min, discharging in being warming up to 155 DEG C in 80min；
(2) brooming is discongested: will through hydrolysis boiling, treated that material is put into defibrator, wash according to a conventional method,
Sieving, drying, obtains pulp；
(3) purge drying: by pulp according to a conventional method be dispersed in water stand or with scummer remove pulp in the grains of sand,
Small knot and the eucalyptus barks impurity for not steaming solution, then handsheet, is placed in 60 DEG C of air blowers and air-dries, obtain eucalyptus of the moisture content less than 8%
Bark fiber；
Eucalyptus hide fiber is placed in muffle furnace, with the heating rate of 3 DEG C/min, 300~350 DEG C is warming up to and keeps the temperature 1
~1.5h is to get oil suction fibre.
Oil suction fibre made from 1g the present embodiment is taken, lies against 5min in oil groove and sink respectively, sample is then taken out and puts
In standing 5min on the net less than 170 purposes, to diesel oil, machine oil, gear oil oil absorption be respectively 25.9g, 24.8g,
30.2g, water absorption 1.5g, oil suction fibre can float on liquid level always；Oil suction fibre after oil suction is put into and is equipped with
In the wide-mouth bottle of 300ml water, 5min then is vibrated with oscillator, taking-up sample is put in stands 5min less than 170 purposes on the net,
Oil-retaining power is respectively 84%, 83%, 83%.
Claims (8)
1. a kind of method for preparing oil suction fibre using eucalyptus barks, which is characterized in that discongested including hydrolyzing boiling → brooming → net
Change drying → oleophilic drainage modification → drying process, technological operation step are as follows:
(1) it hydrolyzes boiling: eucalyptus barks being cut into the block of 3~4cm long, are put into digester, the water of 4~5 times of weight is added, adds
Heat keeps the temperature 60~210min, discharging in being warming up to 140~165 DEG C in 60~90min；
(2) brooming is discongested: will through hydrolysis boiling, treated that material is put into defibrator, wash, be sieved according to a conventional method,
Drying, obtains pulp；
(3) purge drying: by pulp according to a conventional method be dispersed in water stand or with scummer remove pulp in the grains of sand, trifle
Son and the eucalyptus barks impurity for not steaming solution, then handsheet, is placed in 60 DEG C of air blowers and air-dries, obtain eucalyptus barks of the moisture content less than 8%
Fiber；
(4) oleophilic drainage is modified: eucalyptus hide fiber being mixed with oleophilic drainage agent, is impregnated, dehydration is dry to get oil suction fibre.
2. the method for preparing oil suction fibre using eucalyptus barks according to claim 1, which is characterized in that step (4) described parent
Oily hydrophobically modified step can also be replaced using following steps: eucalyptus hide fiber be placed in muffle furnace, with the heating of 3 DEG C/min
Speed is warming up to 300~350 DEG C and keeps the temperature 1~1.5h to get oil suction fibre.
3. the method for preparing oil suction fibre using eucalyptus barks according to claim 1, which is characterized in that step (4) described parent
Oily hydrophobing agent includes the raw material of following parts by weight: 100~150 parts of solid paraffin, 50~70 parts of stearic acid, emulsifier 10~12
Part, 500~800 parts of water, appropriate potassium hydroxide.
4. the method for preparing oil suction fibre using eucalyptus barks according to claim 3, which is characterized in that the oleophilic drainage agent
The preparation method comprises the following steps: solid paraffin, stearic acid and water is taken to be placed in reactor, 50~60 DEG C are heated to, when solid paraffin and hard
When resin acid starts fusing, stirring is added emulsifier, continues to stir and be warming up to after solid paraffin and stearic acid are completely dissolved
75~90 DEG C, potassium hydroxide is added and adjusts reacting solution pH value to 8~9, reacts 25~60min to get oleophilic drainage agent is arrived.
5. the method for preparing oil suction fibre using eucalyptus barks according to claim 3, which is characterized in that the emulsifier is 1,
The mixture of 4- morpholine and fatty alcohol and ethylene oxide condensate, the Isosorbide-5-Nitrae-morpholine, fatty alcohol with
The weight ratio of ethylene oxide condensate is 1:0.6~60.
6. the method for preparing oil suction fibre using eucalyptus barks according to claim 1, which is characterized in that step (4) described eucalyptus
The weight ratio that bark fiber is mixed with oleophilic drainage agent is 1: 22~30.
7. the method for preparing oil suction fibre using eucalyptus barks according to claim 1, which is characterized in that step (4) described leaching
The time of bubble is 60~120min, and temperature is 75~85 DEG C.
8. the method for preparing oil suction fibre using eucalyptus barks according to claim 1, which is characterized in that step (4) is described dry
The dry time is 120~180min, and temperature is 90~110 DEG C.
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| CN106140102A (en) * | 2016-06-02 | 2016-11-23 | 刘*泽 | Hydrophobic oleophilic oil food stage oil absorption material and preparation method thereof |
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