CN107413308A - A kind of preparation method of hydrophilic coconut husk water treatment agent - Google Patents
A kind of preparation method of hydrophilic coconut husk water treatment agent Download PDFInfo
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- CN107413308A CN107413308A CN201710398091.2A CN201710398091A CN107413308A CN 107413308 A CN107413308 A CN 107413308A CN 201710398091 A CN201710398091 A CN 201710398091A CN 107413308 A CN107413308 A CN 107413308A
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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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
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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
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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
- B01J20/26—Synthetic macromolecular compounds
- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
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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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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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
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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
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Geochemistry & Mineralogy (AREA)
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- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of preparation method of hydrophilic coconut husk water treatment agent, comprise the following steps：Coconut shell flour is sent into oxalic acid and soaked, microwave irradiation processing, is filtrated to get pretreatment coconut shell flour；Absolute ethyl alcohol, toluene are stirred, pretreatment coconut shell flour, clay compound, aminopropyl trimethoxysilane is added, heating stirring, centrifuges, deionized water rinsing to pH value dry, pulverize to obtain hydrophilic coconut husk water treatment agent in neutrality.Clay compound is prepared using following technique：Clay, sodium lignin sulfonate, lecithin, water are well mixed, heating water bath, ultrasonic disperse, add polyethylenimine solution, with hydrochloric acid regulation system pH value to 7.1 7.4, graphite powder stirring is added, is filtered, washing is dried, grinding obtains clay compound to neutrality.Gained coconut husk water treatment agent adsorption capacity of the invention is high, good hydrophilic property, heavy metal ion and organic pollution in can effectively removing water, moreover it is possible to which playing reduces electrolyte in water concentration.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly to a kind of preparation method of hydrophilic coconut husk water treatment agent.
Background technology
Plant powdered carbon water treatment agent has that the rate of filtration is fast, absorption property is good, decolouring odor removing ability is strong, economy and durability etc. is excellent
Point, it is widely used in the industries such as food, beverage, medicine, running water, sugar, grease, in wine brewing, sewage disposal, power plant, plating etc.
Field application is also more universal.Self property and processing characteristics based on plant powdered carbon, usual plant powdered carbon have hydrophobic surface,
Need to carry out hydrophilic surface modification in the application of reality.Hydrophilic modification method is complicated at present, and can produce a large amount of pollutions
Thing, pollutes environment, and the plant powdered carbon absorption property of preparation also can not meet demand, it would be highly desirable to solve.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of preparation side of hydrophilic coconut husk water treatment agent
Method, gained coconut husk water treatment agent adsorption capacity is high, good hydrophilic property, heavy metal ion and organic pollution in can effectively removing water,
Can also play reduces electrolyte in water concentration, and material source is extremely wide, and cost is low.
A kind of preparation method of hydrophilic coconut husk water treatment agent proposed by the present invention, comprises the following steps：
S1, coconut shell flour is sent into oxalic acid and soaked, microwave irradiation processing, be filtrated to get pretreatment coconut shell flour；
S2, absolute ethyl alcohol, toluene stirred, add pretreatment coconut shell flour, clay compound, aminopropyl trimethoxy
Silane, heating stirring, centrifugation, deionized water rinsing to pH value dry, pulverize to obtain hydrophilic coconut husk water treatment agent in neutrality.
Preferably, in S1, coconut shell flour is sent into oxalic acid and soaked 2-4 days, microwave irradiation processing 5-15min, microwave irradiation
Power is 1000-1200W, is filtrated to get pretreatment coconut shell flour.
Preferably, in S1, the weight ratio of coconut shell flour and oxalic acid is 40-80：80-100.
Preferably, in S2, absolute ethyl alcohol, toluene are stirred, add pretreatment coconut shell flour, clay compound, ammonia third
Base trimethoxy silane, is warming up to 50-60 DEG C of stirring 4-10h, centrifugation, and deionized water rinsing to pH value dry, pulverize in neutrality
Obtain hydrophilic coconut husk water treatment agent.
Preferably, in S2, absolute ethyl alcohol, toluene, pretreatment coconut shell flour, clay compound, aminopropyl trimethoxysilane
Weight ratio be 40-50：15-25：40-60：4-10：1-2.
Preferably, in S2, clay compound is prepared using following technique：By clay, sodium lignin sulfonate, lecithin, water
It is well mixed, heating water bath, ultrasonic disperse, polyethylenimine solution is added, with hydrochloric acid regulation system pH value to 7.1-7.4, is added
Enter graphite powder stirring, filter, wash to neutrality, dry, grinding obtains clay compound.
Preferably, in S2, clay compound is prepared using following technique：By clay, sodium lignin sulfonate, lecithin, water
Well mixed, heating water bath 5-15min, bath temperature is 75-85 DEG C, ultrasonic disperse 30-50min, and addition concentration is 10-
18wt% polyethylenimine solutions, with hydrochloric acid regulation system pH value to 7.1-7.4, add graphite powder stirring 5-12min, stirring speed
Spend for 6000-6800r/min, filter, wash to neutrality, 60-70 DEG C of drying, grinding and obtain clay compound.
Preferably, in S2, clay compound is prepared using following technique：It is by weight that 4-10 parts clay, 1-3 parts is wooden
Plain sodium sulfonate, 2-4 parts lecithin, 60-80 part water are well mixed, heating water bath 5-15min, and bath temperature is 75-85 DEG C, ultrasound
Scattered 30-50min, it is 10-18wt% polyethylenimine solutions to add 2-5 parts concentration, with hydrochloric acid regulation system pH value to 7.1-
7.4,2-4 parts graphite powder stirring 5-12min, mixing speed 6000-6800r/min are added, filters, washs to neutrality, 60-70
DEG C drying, grinding obtain clay compound.
Gained coconut husk water treatment agent adsorption capacity of the invention is high, heavy metal ion and organic contamination in can effectively removing water
Thing, moreover it is possible to which playing reduces electrolyte in water concentration, and material source is extremely wide, and cost is low；Wherein coconut shell flour is carried out by oxalic acid
After acid etching, a large amount of active holes are formed, and microwave radiation effectively can discharge hole inner material；And aminopropyl trimethoxy silicon
Particle can be adsorbed on hole surface after alkane hydrolysis, and form uniform coating, and good hydrophilic property, it is combined height with clay compound, bag
It is simple to cover process, cost is cheap, and adsorption activity is extremely excellent, it is easy to industrialization is realized, before having application well
Scape；And in clay compound, clay powder acts under the cooperation of lecithin with sodium lignin sulfonate, and makees by water-bath, ultrasound
With compatibility is good, and combination degree is high, further contains a large amount of active groups with grafting polyethylene imine, surface, absorption is strong
Spend it is high, and graphite powder can effectively strengthen the present invention it is wear-resisting, acid-proof alkaline is good, be suitable for polluted-water complex environment.
Gained coconut husk water treatment agent of the invention can go to remove water middle and high concentration organic pollution, suitable for the depth of various waste water
Degree processing, environmental protection, non-secondary pollution, this product are applied to the processing of various waste water, are especially suitable for the processing of waste water from dyestuff.
As testing coconut husk water treatment agent obtained by the present invention, it can make the COD indexs in sewage discharge by original 150
28 are reduced to, and Colority of Sewage Water reduces substantially, meets the requirement to COD indexs in state sewage emission standard.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of hydrophilic coconut husk water treatment agent proposed by the present invention, comprises the following steps：
S1, coconut shell flour is sent into oxalic acid and soaked, microwave irradiation processing, be filtrated to get pretreatment coconut shell flour；
S2, absolute ethyl alcohol, toluene stirred, add pretreatment coconut shell flour, clay compound, aminopropyl trimethoxy
Silane, heating stirring, centrifugation, deionized water rinsing to pH value dry, pulverize to obtain hydrophilic coconut husk water treatment agent in neutrality.
Embodiment 2
A kind of preparation method of hydrophilic coconut husk water treatment agent proposed by the present invention, comprises the following steps：
S1,40 parts of coconut shell flours are sent into 100 parts of oxalic acid soaked 2 days by weight, microwave irradiation processing 15min, microwave
Irradiation power is 1000W, is filtrated to get pretreatment coconut shell flour；
S2,50 parts of absolute ethyl alcohols, 15 parts of toluene are stirred by weight, add 60 parts of pretreatment coconut shell flours, 4 parts it is glutinous
Native compound, 2 parts of aminopropyl trimethoxysilanes, it is warming up to 50 DEG C of stirring 10h, centrifugation, during deionized water rinsing is in pH value
Property, it dry, pulverize to obtain hydrophilic coconut husk water treatment agent.
Embodiment 3
A kind of preparation method of hydrophilic coconut husk water treatment agent proposed by the present invention, comprises the following steps：
S1,80 parts of coconut shell flours are sent into 80 parts of oxalic acid soaked 4 days by weight, microwave irradiation processing 5min, microwave spoke
It is 1200W according to power, is filtrated to get pretreatment coconut shell flour；
S2,40 parts of absolute ethyl alcohols, 25 parts of toluene are stirred by weight, add 40 parts pretreatment coconut shell flours, 10 parts
Clay compound, 1 part of aminopropyl trimethoxysilane, it is warming up to 60 DEG C of stirring 4h, centrifugation, during deionized water rinsing is in pH value
Property, it dry, pulverize to obtain hydrophilic coconut husk water treatment agent.
Clay compound is prepared using following technique：Clay, sodium lignin sulfonate, lecithin, water are well mixed, water-bath
Heating, ultrasonic disperse, polyethylenimine solution is added, with hydrochloric acid regulation system pH value to 7.1-7.4, adds graphite powder stirring,
Filter, wash to neutrality, dry, grinding obtains clay compound.
Embodiment 4
A kind of preparation method of hydrophilic coconut husk water treatment agent proposed by the present invention, comprises the following steps：
S1,50 parts of coconut shell flours are sent into 95 parts of oxalic acid soaked 2.5 days by weight, microwave irradiation processing 12min, microwave
Irradiation power is 1050W, is filtrated to get pretreatment coconut shell flour；
S2,48 parts of absolute ethyl alcohols, 18 parts of toluene are stirred by weight, add 55 parts of pretreatment coconut shell flours, 6 parts it is glutinous
Native compound, 1.8 parts of aminopropyl trimethoxysilanes, it is warming up to 52 DEG C of stirring 8h, centrifugation, during deionized water rinsing is in pH value
Property, it dry, pulverize to obtain hydrophilic coconut husk water treatment agent.
Clay compound is prepared using following technique：Clay, sodium lignin sulfonate, lecithin, water are well mixed, water-bath
10min is heated, bath temperature is 80 DEG C, ultrasonic disperse 40min, and addition concentration is 14wt% polyethylenimine solutions, uses hydrochloric acid
Regulation system pH value to 7.1-7.4, addition graphite powder stirs 8min, mixing speed 6400r/min, filters, wash to neutrality,
65 DEG C of dryings, grinding obtain clay compound.
Embodiment 5
A kind of preparation method of hydrophilic coconut husk water treatment agent proposed by the present invention, comprises the following steps：
S1,70 parts of coconut shell flours are sent into 85 parts of oxalic acid soaked 3.5 days by weight, microwave irradiation processing 8min, microwave
Irradiation power is 1150W, is filtrated to get pretreatment coconut shell flour；
S2,42 parts of absolute ethyl alcohols, 22 parts of toluene are stirred by weight, add 45 parts of pretreatment coconut shell flours, 8 parts it is glutinous
Native compound, 1.2 parts of aminopropyl trimethoxysilanes, it is warming up to 58 DEG C of stirring 6h, centrifugation, during deionized water rinsing is in pH value
Property, it dry, pulverize to obtain hydrophilic coconut husk water treatment agent.
Clay compound is prepared using following technique：By weight by 10 parts of clays, 1 part of sodium lignin sulfonate, 4 parts of lecithins
Fat, 60 parts of water are well mixed, heating water bath 15min, and bath temperature is 75 DEG C, ultrasonic disperse 50min, are added 2 parts of concentration and are
18wt% polyethylenimine solutions, with hydrochloric acid regulation system pH value to 7.1-7.4, add 2 parts of graphite powder stirring 12min, stirring
Speed is 6000r/min, filters, washs to neutrality, 70 DEG C of dryings, and grinding obtains clay compound.
Embodiment 6
A kind of preparation method of hydrophilic coconut husk water treatment agent proposed by the present invention, comprises the following steps：
S1,60 parts of coconut shell flours are sent into 90 parts of oxalic acid soaked 3 days by weight, microwave irradiation processing 10min, microwave spoke
It is 1100W according to power, is filtrated to get pretreatment coconut shell flour；
S2,45 parts of absolute ethyl alcohols, 20 parts of toluene are stirred by weight, add 50 parts of pretreatment coconut shell flours, 7 parts it is glutinous
Native compound, 1.5 parts of aminopropyl trimethoxysilanes, it is warming up to 56 DEG C of stirring 7h, centrifugation, during deionized water rinsing is in pH value
Property, it dry, pulverize to obtain hydrophilic coconut husk water treatment agent.
Clay compound is prepared using following technique：By weight by 4 parts of clays, 3 parts of sodium lignin sulfonates, 2 parts of lecithins
Fat, 80 parts of water are well mixed, heating water bath 5min, and bath temperature is 85 DEG C, ultrasonic disperse 30min, are added 5 parts of concentration and are
10wt% polyethylenimine solutions, with hydrochloric acid regulation system pH value to 7.1-7.4, add 4 parts of graphite powder stirring 5min, stirring speed
Spend for 6800r/min, filter, wash to neutrality, 60 DEG C of dryings, grinding obtains clay compound.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of preparation method of hydrophilic coconut husk water treatment agent, it is characterised in that comprise the following steps：
S1, coconut shell flour is sent into oxalic acid and soaked, microwave irradiation processing, be filtrated to get pretreatment coconut shell flour；
S2, absolute ethyl alcohol, toluene stirred, add pretreatment coconut shell flour, clay compound, aminopropyl trimethoxy silicon
Alkane, heating stirring, centrifugation, deionized water rinsing to pH value dry, pulverize to obtain hydrophilic coconut husk water treatment agent in neutrality.
2. the preparation method of hydrophilic coconut husk water treatment agent according to claim 1, it is characterised in that in S1, coconut shell flour is sent
Enter in oxalic acid and soak 2-4 days, microwave irradiation processing 5-15min, microwave irradiation power is 1000-1200W, is filtrated to get pretreatment
Coconut shell flour.
3. the preparation method of hydrophilic coconut husk water treatment agent according to claim 1 or claim 2, it is characterised in that in S1, coconut shell flour and
The weight ratio of oxalic acid is 40-80：80-100.
4. according to the preparation method of any one of the claim 1-3 hydrophilic coconut husk water treatment agents, it is characterised in that, will in S2
Absolute ethyl alcohol, toluene stir, and add pretreatment coconut shell flour, clay compound, aminopropyl trimethoxysilane, are warming up to
50-60 DEG C of stirring 4-10h, centrifugation, deionized water rinsing to pH value dry, pulverize to obtain hydrophilic coconut husk water treatment agent in neutrality.
5. according to the preparation method of any one of the claim 1-4 hydrophilic coconut husk water treatment agents, it is characterised in that in S2, nothing
Water-ethanol, toluene, pretreatment coconut shell flour, clay compound, the weight ratio of aminopropyl trimethoxysilane are 40-50：15-25：
40-60：4-10：1-2.
6. according to the preparation method of any one of the claim 1-5 hydrophilic coconut husk water treatment agents, it is characterised in that in S2, stick
Native compound is prepared using following technique：Clay, sodium lignin sulfonate, lecithin, water are well mixed, heating water bath, ultrasound
It is scattered, polyethylenimine solution is added, with hydrochloric acid regulation system pH value to 7.1-7.4, graphite powder stirring is added, filters, washing
To neutrality, dry, grinding obtains clay compound.
7. according to the preparation method of any one of the claim 1-6 hydrophilic coconut husk water treatment agents, it is characterised in that in S2, stick
Native compound is prepared using following technique：Clay, sodium lignin sulfonate, lecithin, water are well mixed, heating water bath 5-
15min, bath temperature are 75-85 DEG C, ultrasonic disperse 30-50min, and addition concentration is 10-18wt% polyethylenimine solutions, are used
Hydrochloric acid regulation system pH value adds graphite powder stirring 5-12min, mixing speed 6000-6800r/min, taken out to 7.1-7.4
Filter, wash to neutrality, 60-70 DEG C of drying, grinding and obtain clay compound.
8. according to the preparation method of any one of the claim 1-7 hydrophilic coconut husk water treatment agents, it is characterised in that in S2, stick
Native compound is prepared using following technique：By weight by 4-10 parts clay, 1-3 parts sodium lignin sulfonate, 2-4 parts lecithin,
60-80 part water is well mixed, heating water bath 5-15min, and bath temperature is 75-85 DEG C, ultrasonic disperse 30-50min, adds 2-5
Part concentration is 10-18wt% polyethylenimine solutions, with hydrochloric acid regulation system pH value to 7.1-7.4, adds 2-4 part graphite powders and stirs
5-12min, mixing speed 6000-6800r/min are mixed, is filtered, is washed to neutrality, 60-70 DEG C of drying, grinding and is obtained clay and answer
Compound.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624178A (en) * | 2013-11-08 | 2015-05-20 | 东北林业大学 | Preparation method of heavy metal ion absorbent (polyethyleneimine-sodium lignin sulfonate) |
| CN106186170A (en) * | 2016-08-30 | 2016-12-07 | 樊之雄 | The adsorption method of copper ion in a kind of contaminant water |
| CN107029678A (en) * | 2017-05-31 | 2017-08-11 | 合肥绿洁环保科技有限公司 | A kind of water treatment agent preparation method of high-adsorption-capacity |
-
2017
- 2017-05-31 CN CN201710398091.2A patent/CN107413308A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624178A (en) * | 2013-11-08 | 2015-05-20 | 东北林业大学 | Preparation method of heavy metal ion absorbent (polyethyleneimine-sodium lignin sulfonate) |
| CN106186170A (en) * | 2016-08-30 | 2016-12-07 | 樊之雄 | The adsorption method of copper ion in a kind of contaminant water |
| CN107029678A (en) * | 2017-05-31 | 2017-08-11 | 合肥绿洁环保科技有限公司 | A kind of water treatment agent preparation method of high-adsorption-capacity |
Non-Patent Citations (3)
| Title |
|---|
| 丁浩: "《粉体表面改性与应用》", 31 August 2013, 清华大学出版社 * |
| 万金泉: "《造纸工业环境工程导论》", 31 August 2005, 中国轻工业出版社 * |
| 来伟良: "椰子为基础的生物吸附剂在水处理中应用的研究进展", 《能源环境保护》 * |
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