CN106390955A - Heavy metal ion treatment agent and preparation method thereof - Google Patents

Heavy metal ion treatment agent and preparation method thereof Download PDF

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Publication number
CN106390955A
CN106390955A CN201610978057.8A CN201610978057A CN106390955A CN 106390955 A CN106390955 A CN 106390955A CN 201610978057 A CN201610978057 A CN 201610978057A CN 106390955 A CN106390955 A CN 106390955A
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parts
heavy metal
mixture
chitosan
sodium
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张强
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Zhengzhou Chenghe Information Technology Co Ltd
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Zhengzhou Chenghe Information Technology Co Ltd
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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
    • B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
    • 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
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • 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
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/048—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing phosphorus, e.g. phosphates, apatites, hydroxyapatites
    • 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
    • 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
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • 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
    • 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
    • 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
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates

Abstract

The invention discloses a heavy metal ion treatment agent which comprises the following raw materials by weight: 32-56 parts of polypropylene glycol, 26-29 parts of activated carbon, 5-12 parts of modified bentonite powder, 2-5 parts of modified chitosan, 18-24 parts of sodium tripolyphosphate, 32-36 parts of sodium metaaluminate, 10-14 parts of ensete lasiocarpum powder, 14-23 parts of sunflower straw, and 3-9 parts of sodium lignin sulfonate. The invention further discloses a preparation method of the heavy metal ion treatment agent. The source of the raw materials is wide, the costs of the raw materials are low, the preparation process is simple, and the preparation method is suitable for large-scale industrial production. The raw materials produce a synergistic effect, the effect of treating sewage containing heavy metal ions is good, the heavy metal ion treatment agent has high capability of capturing the heavy metal ions, no secondary pollution is generated, and the environmental protection property is high.

Description

One heavy metal species are from inorganic agent and preparation method thereof
Technical field
The present invention relates to heavy mental treatment field, specifically one heavy metal species are from inorganic agent.
Background technology
Mankind nowadays society heavy metal resources requirement increases rapidly, produces big during producing, process and using The garbage containing heavy metal and its compound for the amount, causes serious heavy metal pollution, has a strong impact on structure, the function of ecosystem Utilization with resource.Especially the industry such as smelting, chemical industry, electronics, automobile, mining, plating and light industry is all kinds of heavy because using in a large number Metal and heavy metal compound and discharge the waste water containing heavy metal ion in a large number.The industrial wastewater that these contain heavy metal can be over the ground Table water and subsoil water cause serious pollution, and are unable to biodegradation in the environment, easily accumulate, and are easily entered by root system very much Enter plant and by soil Crop, suppress crop growth, promote drought to decline, reduce yield, and pass through food further The transmission of chain and enrichment enter human body, lead to canceration, deformity etc., serious harm health, heavy metal ion mainly by mining, Waste gas discharge, sewage irrigation and using the anthropic factor such as heavy metals exceeding standard product caused by, lead to the weight in environment because of mankind's activity Tenor increases, and beyond normal range, is directly detrimental to health, is insoluble in water, and leads to environmental quality to deteriorate, Ren Mendou Using medicament, the heavy metal ion in sewage to be processed, but existing treatment agent expensive so that process medicine The extensive application of agent is restricted.
Content of the invention
It is an object of the invention to provide heavy metal species are from inorganic agent, with asking of solving to propose in above-mentioned background technology Topic.
For achieving the above object, the present invention provides following technical scheme：
One heavy metal species, from inorganic agent, are made up of according to weight portion following raw material：POLYPROPYLENE GLYCOL 32-56 part, activated carbon 26- 29 parts, modified alta-mud powder 5-12 part, modification of chitosan 2-5 part, sodium tripolyphosphate 18-24 part, sodium metaaluminate 32-36 part, Flos Musellae Lasiocarpae powder 10-14 part, sunflower straw 14-23 part and sodium lignin sulfonate 3-9 part.
As the further scheme of the present invention：Modified alta-mud powder is 240-350 degree Celsius using bentonite in temperature Calcining furnace in calcine 1-4 hour, the product after calcining is placed in the hydrochloric acid of 2mol/L and soaks 10-15 minute, then uses deionization It is washed to neutrality and be dried to obtain.
As the further scheme of the present invention：Modification of chitosan is that shitosan is put into 10-30 parts by volume volume ratio for 2： The potassium hydroxide solution of 1-3 and urea liquid, with microwave heating to 65-120 degree Celsius, and stirring reaction 30-60 minute, then Reactant liquor is centrifuged under 1500-2400rpm, the solid deionized water supersound washing obtaining, until cleaning mixture is neutrality, will Solid lyophilization after washing, obtains modification of chitosan.
Described heavy metal, from the preparation method of inorganic agent, comprises the following steps that：
Step one, POLYPROPYLENE GLYCOL, activated carbon and modified alta-mud powder are added in blender and with 300-450rpm Rotating speed stirring 25-40 minute, Deca sodium metaaluminate in whipping process, after completion of dropping under 20-35 degree Celsius stirring 4-6 little When, obtain the first mixture；
Step 2, adds POLYPROPYLENE GLYCOL, modification of chitosan and sodium tripolyphosphate in the first mixture, Celsius in 45-60 Degree is lower to stir 2-3 hour, obtains the second mixture；
Step 3, the second mixture is cooled to room temperature, adds sunflower straw and adjusts pH value to 10-11, adds Flos Musellae Lasiocarpae powder, stirs 3-5 hour under 40-45 degree Celsius, obtains the 3rd mixture；
Step 4, adds sodium lignin sulfonate in the 3rd mixture, is sufficiently stirred for 2-6 hour, and reaction spends after terminating Ionized water supersound washing 3-5 time and carry out sucking filtration, is then washed 3-4 time with the ethanol solution that volume fraction is 50%, then Lyophilization, to constant weight, obtains solid product.
Compared with prior art, the invention has the beneficial effects as follows：Raw material sources of the present invention extensively and low in raw material price, Preparation process is simple is it is adaptable to large-scale industrial production；The raw synergism of each group distribution of this invention, processes and contains heavy metal Ion sewage effect is good, has very strong heavy metal ion capturing ability, will not produce secondary pollution, green environmental protection is good.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Embodiment 1
One heavy metal species, from inorganic agent, are made up of according to weight portion following raw material：32 parts of POLYPROPYLENE GLYCOL, 26 parts of activated carbon, 5 parts of modified alta-mud powder, 2 parts of modification of chitosan, 18 parts of sodium tripolyphosphate, 32 parts of sodium metaaluminate, 10 parts of Flos Musellae Lasiocarpae powder, 14 parts of sunflower straw and 3 parts of sodium lignin sulfonate.Modified alta-mud powder is 240 degrees Celsius forge using bentonite in temperature Burn in stove and calcine 1 hour, the product after calcining is placed in the hydrochloric acid of 2mol/L and soaks 10 minutes, then deionized water is washed till neutrality And it is dried to obtain.
Described heavy metal, from the preparation method of inorganic agent, comprises the following steps that：
Step one, POLYPROPYLENE GLYCOL, activated carbon and modified alta-mud powder are added in blender and turning with 300rpm Speed stirring 25 minutes, Deca sodium metaaluminate in whipping process, stirs at 20 degrees celsius after completion of dropping 4 hours, obtains first Mixture；
Step 2, adds POLYPROPYLENE GLYCOL, modification of chitosan and sodium tripolyphosphate, in the first mixture under 45 degrees Celsius Stirring 2 hours, obtains the second mixture；
Step 3, the second mixture is cooled to room temperature, adds sunflower straw and adjusts pH value to 10, gushes with adding Lily feet powder, stirs 3 hours under 40 degrees Celsius, obtains the 3rd mixture；
Step 4, in the 3rd mixture add sodium lignin sulfonate, be sufficiently stirred for 2 hours, reaction terminate after spend from Sub- water supersound washing 3 times and carry out sucking filtration, is then washed with the ethanol solution that volume fraction is 50% 3 times, then freezes dry Dry to constant weight, obtain solid product.
Embodiment 2
One heavy metal species, from inorganic agent, are made up of according to weight portion following raw material：38 parts of POLYPROPYLENE GLYCOL, 28 parts of activated carbon, 7 parts of modified alta-mud powder, 4 parts of modification of chitosan, 20 parts of sodium tripolyphosphate, 33 parts of sodium metaaluminate, 12 parts of Flos Musellae Lasiocarpae powder, 18 parts of sunflower straw and 6 parts of sodium lignin sulfonate.Modification of chitosan is that shitosan is put into 10 parts by volume volume ratios for 2：1 Potassium hydroxide solution and urea liquid, with microwave heating to 65 degrees Celsius, and stirring reaction 30 minutes, then reactant liquor is existed It is centrifuged under 1500rpm, the solid deionized water supersound washing obtaining, until cleaning mixture is neutrality, will be cold for the solid after washing Lyophilizing is dry, obtains modification of chitosan.
Described heavy metal, from the preparation method of inorganic agent, comprises the following steps that：
Step one, POLYPROPYLENE GLYCOL, activated carbon and modified alta-mud powder are added in blender and turning with 360rpm Speed stirring 32 minutes, Deca sodium metaaluminate in whipping process, stirs 5 hours under 24 degrees Celsius after completion of dropping, obtains first Mixture；
Step 2, adds POLYPROPYLENE GLYCOL, modification of chitosan and sodium tripolyphosphate, in the first mixture under 48 degrees Celsius Stirring 2.5 hours, obtains the second mixture；
Step 3, the second mixture is cooled to room temperature, adds sunflower straw and adjusts pH value to 10.3, adds ground Gush lily feet powder, stir 4 hours under 42 degrees Celsius, obtain the 3rd mixture；
Step 4, in the 3rd mixture add sodium lignin sulfonate, be sufficiently stirred for 4 hours, reaction terminate after spend from Sub- water supersound washing 4 times and carry out sucking filtration, is then washed with the ethanol solution that volume fraction is 50% 3 times, then freezes dry Dry to constant weight, obtain solid product.
Embodiment 3
One heavy metal species, from inorganic agent, are made up of according to weight portion following raw material：46 parts of POLYPROPYLENE GLYCOL, 29 parts of activated carbon, 10 parts of modified alta-mud powder, 4 parts of modification of chitosan, 23 parts of sodium tripolyphosphate, 35 parts of sodium metaaluminate, Flos Musellae Lasiocarpae powder 13 Part, 20 parts of sunflower straw and 7 parts of sodium lignin sulfonate.Modified alta-mud powder adopts bentonite to be 320 degrees Celsius in temperature Calcining furnace in calcine 3 hours, the product after calcining is placed in the hydrochloric acid of 2mol/L and soaks 15 minutes, then deionized water is washed till Neutral and be dried to obtain.Modification of chitosan is that shitosan is put into 23 parts by volume volume ratios for 2：3 potassium hydroxide solution and Urea liquid, with microwave heating to 92 degrees Celsius, and stirring reaction 44 minutes, then reactant liquor is centrifuged under 1800rpm, obtains The solid deionized water supersound washing arrived, until cleaning mixture is neutrality, the solid lyophilization after washing obtains modified shell Polysaccharide.
Described heavy metal, from the preparation method of inorganic agent, comprises the following steps that：
Step one, POLYPROPYLENE GLYCOL, activated carbon and modified alta-mud powder are added in blender and turning with 420rpm Speed stirring 36 minutes, Deca sodium metaaluminate in whipping process, stirs 5 hours under 32 degrees Celsius after completion of dropping, obtains first Mixture；
Step 2, adds POLYPROPYLENE GLYCOL, modification of chitosan and sodium tripolyphosphate, in the first mixture under 55 degrees Celsius Stirring 2.5 hours, obtains the second mixture；
Step 3, the second mixture is cooled to room temperature, adds sunflower straw and adjusts pH value to 10.6, adds ground Gush lily feet powder, stir 5 hours under 45 degrees Celsius, obtain the 3rd mixture；
Step 4, in the 3rd mixture add sodium lignin sulfonate, be sufficiently stirred for 6 hours, reaction terminate after spend from Sub- water supersound washing 3 times and carry out sucking filtration, is then washed with the ethanol solution that volume fraction is 50% 4 times, then freezes dry Dry to constant weight, obtain solid product.
Embodiment 4
One heavy metal species, from inorganic agent, are made up of according to weight portion following raw material：56 parts of POLYPROPYLENE GLYCOL, 29 parts of activated carbon, 12 parts of modified alta-mud powder, 5 parts of modification of chitosan, 24 parts of sodium tripolyphosphate, 36 parts of sodium metaaluminate, Flos Musellae Lasiocarpae powder 14 Part, 23 parts of sunflower straw and 9 parts of sodium lignin sulfonate.Modified alta-mud powder adopts bentonite to be 350 degrees Celsius in temperature Calcining furnace in calcine 1 hour, the product after calcining is placed in the hydrochloric acid of 2mol/L and soaks 15 minutes, then deionized water is washed till Neutral and be dried to obtain.Modification of chitosan is that shitosan is put into 30 parts by volume volume ratios for 2：1 potassium hydroxide solution and Urea liquid, with microwave heating to 120 degrees Celsius, and stirring reaction 60 minutes, then reactant liquor is centrifuged under 2400rpm, The solid deionized water supersound washing obtaining, until cleaning mixture is neutrality, the solid lyophilization after washing obtains modification Shitosan.
Described heavy metal, from the preparation method of inorganic agent, comprises the following steps that：
Step one, POLYPROPYLENE GLYCOL, activated carbon and modified alta-mud powder are added in blender and turning with 450rpm Speed stirring 40 minutes, Deca sodium metaaluminate in whipping process, stirs 6 hours under 35 degrees Celsius after completion of dropping, obtains first Mixture；
Step 2, adds POLYPROPYLENE GLYCOL, modification of chitosan and sodium tripolyphosphate, at 60 c in the first mixture Stirring 3 hours, obtains the second mixture；
Step 3, the second mixture is cooled to room temperature, adds sunflower straw and adjusts pH value to 11, gushes with adding Lily feet powder, stirs 3 hours under 45 degrees Celsius, obtains the 3rd mixture；
Step 4, in the 3rd mixture add sodium lignin sulfonate, be sufficiently stirred for 6 hours, reaction terminate after spend from Sub- water supersound washing 5 times and carry out sucking filtration, is then washed with the ethanol solution that volume fraction is 50% 3 times, then freezes dry Dry to constant weight, obtain solid product.
Comparative example 1
Except not containing Flos Musellae Lasiocarpae, remaining component and preparation method are with embodiment 4.
Laboratory simulation heavy metal ion pollutant effluents, the concentration wherein containing various heavy metal ion is lOmg/L. Take on product, the product of comparative example 1 and the market of embodiment 1-4 conventional treatment agent, agitated, standing, filter after Measure heavy metal ions in wastewater concentration, test result is shown in Table 1.
Table 1
From table 1, using embodiment 1-4 heavy metal ion medicament when, to Cu2+、Zn2+、Pb2+、Ni2+And Cr6+'s Adsorbance all exceedes existing product on comparative example 1 market, and extensively, production cost is lower, has more for the raw material sources of this medicament Good economic benefit.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined Understandable other embodiment.

Claims (4)

1. heavy metal species from inorganic agent it is characterised in that being made up of according to weight portion following raw material：POLYPROPYLENE GLYCOL 32-56 part, Activated carbon 26-29 part, modified alta-mud powder 5-12 part, modification of chitosan 2-5 part, sodium tripolyphosphate 18-24 part, sodium metaaluminate 32-36 part, Flos Musellae Lasiocarpae powder 10-14 part, sunflower straw 14-23 part and sodium lignin sulfonate 3-9 part.
2. heavy metal according to claim 1 from inorganic agent it is characterised in that described modified alta-mud powder adopts swelling Soil calcines 1-4 hour in temperature is for 240-350 degree Celsius of calcining furnace, and the product after calcining is placed in the hydrochloric acid of 2mol/L and soaks Steep 10-15 minute, then deionized water is washed till neutrality and is dried to obtain.
3. heavy metal according to claim 1 and 2 from inorganic agent it is characterised in that described modification of chitosan is to gather shell 10-30 parts by volume volume ratio put into by sugar is 2：The potassium hydroxide solution of 1-3 and urea liquid, Celsius to 65-120 with microwave heating Then reactant liquor is centrifuged, the solid deionized water obtaining under 1500-2400rpm by degree, and stirring reaction 30-60 minute Supersound washing, until cleaning mixture is neutrality, the solid lyophilization after washing obtains modification of chitosan.
4. a kind of described heavy metal as arbitrary in claim 1-3 from the preparation method of inorganic agent it is characterised in that concrete steps As follows：
Step one, POLYPROPYLENE GLYCOL, activated carbon and modified alta-mud powder are added in blender and turning with 300-450rpm Speed stirring 25-40 minute, Deca sodium metaaluminate in whipping process, stir 4-6 hour under 20-35 degree Celsius after completion of dropping, Obtain the first mixture；
Step 2, adds POLYPROPYLENE GLYCOL, modification of chitosan and sodium tripolyphosphate, in the first mixture under 45-60 degree Celsius Stirring 2-3 hour, obtains the second mixture；
Step 3, the second mixture is cooled to room temperature, adds sunflower straw and adjusts pH value to 10-11, gushes with adding Lily feet powder, stirs 3-5 hour under 40-45 degree Celsius, obtains the 3rd mixture；
Step 4, adds sodium lignin sulfonate in the 3rd mixture, is sufficiently stirred for 2-6 hour, and reaction uses deionization after terminating Water supersound washing 3-5 time and carry out sucking filtration, is then washed 3-4 time with the ethanol solution that volume fraction is 50%, then freezes It is dried to constant weight, obtain solid product.
CN201610978057.8A 2016-11-08 2016-11-08 Heavy metal ion treatment agent and preparation method thereof Withdrawn CN106390955A (en)

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CN107262060A (en) * 2017-07-05 2017-10-20 南京律智诚专利技术开发有限公司 A kind of heavy metal ion adsorbing material and preparation method thereof
CN107262061A (en) * 2017-07-05 2017-10-20 南京律智诚专利技术开发有限公司 A kind of heavy metal ion adsorbing material based on graphene and preparation method thereof
CN107376849A (en) * 2017-08-09 2017-11-24 河海大学 A kind of application of ethylenediamine tetraacetic acid modified diatomite adsorbant and preparation method thereof and processing heavy metal ions in wastewater
CN107890853A (en) * 2017-09-30 2018-04-10 成都尊华荣域科技有限公司 A kind of wastewater efficient scavenging material
CN110076185A (en) * 2019-05-10 2019-08-02 生态环境部南京环境科学研究所 A kind of method of remediating heavy metal and polycyclic aromatic hydrocarbon composite pollution soil
CN117583031A (en) * 2024-01-18 2024-02-23 上格环境科技（上海）有限公司 Heavy metal sewage treatment agent and preparation process thereof

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN107262060A (en) * 2017-07-05 2017-10-20 南京律智诚专利技术开发有限公司 A kind of heavy metal ion adsorbing material and preparation method thereof
CN107262061A (en) * 2017-07-05 2017-10-20 南京律智诚专利技术开发有限公司 A kind of heavy metal ion adsorbing material based on graphene and preparation method thereof
CN107376849A (en) * 2017-08-09 2017-11-24 河海大学 A kind of application of ethylenediamine tetraacetic acid modified diatomite adsorbant and preparation method thereof and processing heavy metal ions in wastewater
CN107376849B (en) * 2017-08-09 2020-07-31 河海大学 Ethylene diamine tetraacetic acid modified diatomite adsorbent, preparation method thereof and application of adsorbent in treatment of heavy metal ions in wastewater
CN107890853A (en) * 2017-09-30 2018-04-10 成都尊华荣域科技有限公司 A kind of wastewater efficient scavenging material
CN110076185A (en) * 2019-05-10 2019-08-02 生态环境部南京环境科学研究所 A kind of method of remediating heavy metal and polycyclic aromatic hydrocarbon composite pollution soil
CN117583031A (en) * 2024-01-18 2024-02-23 上格环境科技（上海）有限公司 Heavy metal sewage treatment agent and preparation process thereof
CN117583031B (en) * 2024-01-18 2024-03-19 上格环境科技（上海）有限公司 Heavy metal sewage treatment agent and preparation process thereof

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Application publication date: 20170215