CN105642227A - Preparation method of adsorbent for removing trivalent chromic ions in wastewater - Google Patents
Preparation method of adsorbent for removing trivalent chromic ions in wastewater Download PDFInfo
- Publication number
- CN105642227A CN105642227A CN201511033157.5A CN201511033157A CN105642227A CN 105642227 A CN105642227 A CN 105642227A CN 201511033157 A CN201511033157 A CN 201511033157A CN 105642227 A CN105642227 A CN 105642227A
- Authority
- CN
- China
- Prior art keywords
- preparation
- graphene oxide
- adsorbent
- grinding
- drying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0211—Compounds of Ti, Zr, Hf
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
- B01J20/0229—Compounds of Fe
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0274—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04 characterised by the type of anion
- B01J20/0281—Sulfates of compounds other than those provided for in B01J20/045
-
- 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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
-
- 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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to the technical field of treatment processes for wastewater containing heavy metals, in particular to a preparation method of an adsorbent for removing trivalent chromic ions in wastewater. The preparation method is characterized by comprising the following steps of: taking ferrous sulfate and sodium borohydride, grinding the ferrous sulfate and the sodium borohydride in a mortar; adding titanium dioxide into a sodium hydroxide solution so as to obtain a mixed solution; performing heat preservation on the mixed solution at a temperature of 150-170 DEG C for 8 to 12h; drying the obtained solution, then grinding uniformly, and calcinating at a temperature of 600-750 DEG C; putting the obtained powder in a reaction vessel, washing a reactant with absolute ethyl alcohol for three times, and drying in a vacuum box; feeding graphene oxide into water, and performing ultrasonic dispersion for 1-3 hours, thereby obtaining the adsorbent which utilizes graphene oxide as a carrier. Compared with the prior art, the preparation method is capable of effectively improving the adsorption effect of the adsorbent on heavy metal ions, especially chromium ions, and has the remarkable advantages of reasonable process, high adsorption rate, and the like.
Description
Technical field:
The present invention relates to the treatment process technical field containing heavy metal containing sewage, specifically the preparation method of a kind of trivalent chromic ion sorbent material for removing in waste water.
Background technology:
Chromium is widely used in the industries such as plating, chemical industry, printing and dyeing, process hides, containing a large amount of chromium compoundses in its waste water produced, the chromium of chemical combination state is the most common with sexavalence and trivalent, wherein trivalent chromium can be oxidized to high-valence state, and the toxicity of hexavalent chromium is higher, the pollutent being present in water body can enrichment in hydrobiont body, and destroy surrounding environment.
There is the shortcoming such as cost height, effect instability in current heavy metal wastewater thereby administering method, except from heavy metal on source use and except discharge contains, also need more research and development new type natural sorbent material, find the effective way administering heavy metal contamination.
Summary of the invention:
The present invention is directed in prior art the shortcoming and defect existed, it is proposed that the preparation method of a kind of trivalent chromic ion sorbent material for removing in waste water.
The present invention can be reached by following measure:
The preparation method of a kind of trivalent chromic ion sorbent material for removing in waste water, it is characterised in that comprise the following steps:
Step 1: get ferrous sulfate and sodium borohydride and grinding in mortar by weight 1:4, acquisition powder;
Step 2: add titanium dioxide in sodium hydroxide solution, obtain mixing solutions, is incubated 8 12h by mixing solutions when 150 170 degrees Celsius;
Step 3: by grinding after gained solution drying in step 2 evenly, then calcine in 600 750 DEG C when, under being cooled to room temperature condition, obtains TiO (OH)2Powder body;
Step 4: step 3 and step 1 gained powder body are placed in reaction vessel, with absolute ethanol washing reactant three times, dries in vacuum chamber;
Step 5: dropped into by graphene oxide in water, by ultrasonic disperse after 1-3 hour, obtained graphene oxide suspension, then adds powder body in step 4, carries out taking out filter, washing and drying, obtain the sorbent material that graphene oxide is carrier after fully stirring.
In the present invention, the concentration of graphene oxide suspension is 10-11mg/mL.
The present invention compared with prior art, by utilizing graphene oxide composite material as carrier, works in coordination with TiO (OH)2, ferrous sulfate, sodium borohydride powder body, it is possible to effectively improve the adsorption of ABSORBENTS ABSORPTION metal ion especially chromium ion, preparation process do not produce to cause the by product of secondary pollution, there is rational technology, the high significant advantage of adsorption efficiency.
Embodiment:
The present invention is further illustrated below.
The present invention proposes the preparation method of a kind of trivalent chromic ion sorbent material for removing in waste water, it is characterised in that comprise the following steps:
Step 1: get ferrous sulfate and sodium borohydride and grinding in mortar by weight 1:4, acquisition powder;
Step 2: add titanium dioxide in sodium hydroxide solution, obtain mixing solutions, is incubated 8 12h by mixing solutions when 150 170 degrees Celsius;
Step 3: by grinding after gained solution drying in step 2 evenly, then calcine in 600 750 DEG C when, under being cooled to room temperature condition, obtains TiO (OH)2Powder body;
Step 4: step 3 and step 1 gained powder body are placed in reaction vessel, with absolute ethanol washing reactant three times, dries in vacuum chamber;
Step 5: dropped into by graphene oxide in water, by ultrasonic disperse after 1-3 hour, obtained graphene oxide suspension, then adds powder body in step 4, carries out taking out filter, washing and drying, obtain the sorbent material that graphene oxide is carrier after fully stirring.
In the present invention, the concentration of graphene oxide suspension is 10-11mg/mL.
The present invention compared with prior art, by utilizing graphene oxide composite material as carrier, works in coordination with TiO (OH)2, ferrous sulfate, sodium borohydride powder body, it is possible to effectively improve the adsorption of ABSORBENTS ABSORPTION metal ion especially chromium ion, preparation process do not produce to cause the by product of secondary pollution, there is rational technology, the high significant advantage of adsorption efficiency.
Claims (2)
1. the preparation method of trivalent chromic ion sorbent material for removing in waste water, it is characterised in that comprise the following steps:
Step 1: get ferrous sulfate and sodium borohydride and grinding in mortar by weight 1:4, acquisition powder;
Step 2: add titanium dioxide in sodium hydroxide solution, obtain mixing solutions, is incubated 8 12h by mixing solutions when 150 170 degrees Celsius;
Step 3: by grinding after gained solution drying in step 2 evenly, then calcine in 600 750 DEG C when, under being cooled to room temperature condition, obtains TiO (OH)2Powder body;
Step 4: step 3 and step 1 gained powder body are placed in reaction vessel, with absolute ethanol washing reactant three times, dries in vacuum chamber;
Step 5: dropped into by graphene oxide in water, by ultrasonic disperse after 1-3 hour, obtained graphene oxide suspension, then adds powder body in step 4, carries out taking out filter, washing and drying, obtain the sorbent material that graphene oxide is carrier after fully stirring.
2. the preparation method of a kind of trivalent chromic ion sorbent material for removing in waste water according to claim 1, it is characterised in that the concentration of graphene oxide suspension is 10-11mg/mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033157.5A CN105642227A (en) | 2015-12-31 | 2015-12-31 | Preparation method of adsorbent for removing trivalent chromic ions in wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033157.5A CN105642227A (en) | 2015-12-31 | 2015-12-31 | Preparation method of adsorbent for removing trivalent chromic ions in wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105642227A true CN105642227A (en) | 2016-06-08 |
Family
ID=56491422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511033157.5A Pending CN105642227A (en) | 2015-12-31 | 2015-12-31 | Preparation method of adsorbent for removing trivalent chromic ions in wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105642227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469772A (en) * | 2017-10-13 | 2017-12-15 | 山东理工大学 | A kind of method of heavy metal classes incretion interferent in removal reverse osmosis concentrated water |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060045829A1 (en) * | 2004-08-26 | 2006-03-02 | Dodwell Glenn W | Process for the removal of heavy metals from gases, and compositions therefor and therewith |
| CN104826574A (en) * | 2015-04-20 | 2015-08-12 | 陕西科技大学 | Preparation method for nano TiO(OH)2 chromium ion adsorbent |
| CN105233812A (en) * | 2015-09-29 | 2016-01-13 | 安徽省绿巨人环境技术有限公司 | Preparation method of adsorbent for removing trivalent chromium ions from wastewater |
-
2015
- 2015-12-31 CN CN201511033157.5A patent/CN105642227A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060045829A1 (en) * | 2004-08-26 | 2006-03-02 | Dodwell Glenn W | Process for the removal of heavy metals from gases, and compositions therefor and therewith |
| CN104826574A (en) * | 2015-04-20 | 2015-08-12 | 陕西科技大学 | Preparation method for nano TiO(OH)2 chromium ion adsorbent |
| CN105233812A (en) * | 2015-09-29 | 2016-01-13 | 安徽省绿巨人环境技术有限公司 | Preparation method of adsorbent for removing trivalent chromium ions from wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469772A (en) * | 2017-10-13 | 2017-12-15 | 山东理工大学 | A kind of method of heavy metal classes incretion interferent in removal reverse osmosis concentrated water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107694510B (en) | Method for removing methylene blue in printing and dyeing wastewater by two-dimensional magnetic MXene | |
| Arulkumar et al. | Rapid removal of chromium from aqueous solution using novel prawn shell activated carbon | |
| CN102151546B (en) | Modified zeolite as well as preparation method and application thereof | |
| Mubarak et al. | Removal of methylene blue and orange-G from waste water using magnetic biochar | |
| CN108311117B (en) | Magnetic biochar material for heavy metal wastewater treatment and preparation method thereof | |
| CN102179253B (en) | Method for preparing catalyst by using electrolysis waste water and electrolysis sludge | |
| CN105668856A (en) | Treatment method for heavy-metal-containing wastewater | |
| CN106914219A (en) | A kind of application of magnetic carbosphere Cr VI in waste water is removed | |
| CN103933951A (en) | Method for preparing chitosan-based adsorbent for adsorbing hexavalent chromium | |
| CN105435752A (en) | Heavy metal ions absorbent and preparation method thereof | |
| CN111111612A (en) | Preparation and use method of magnetic porous biochar for removing chromium in water | |
| CN104368313B (en) | A kind of preparation for dye adsorption strontium ferrite-CMC-GO magnetic adsorbent and application | |
| CN103663602B (en) | Printing and dyeing wastewater purifying agent | |
| CN109206554B (en) | Ion imprinted polymer material for photo-reduction of hexavalent chromium and preparation and application thereof | |
| CN104772214B (en) | A kind of method that fly ash highly removes ferrum | |
| CN103818969A (en) | Iron oxide red and preparation method thereof | |
| CN105148835A (en) | Particle-type 13X molecule sieve/attapulgite-loaded nanometer iron-nickel material and preparation method thereof | |
| CN106946375A (en) | A kind of nano zero valence iron joint ion exchange resin goes the method for total nitrogen and application in water removal | |
| CN105233812A (en) | Preparation method of adsorbent for removing trivalent chromium ions from wastewater | |
| CN105642227A (en) | Preparation method of adsorbent for removing trivalent chromic ions in wastewater | |
| CN103951016B (en) | A kind of method utilizing ferrum charcoal complexing agent to process nitrogenous effluent | |
| CN107362776B (en) | Sulfobetaine and inorganic salt composite modified clay, preparation method and application thereof | |
| Li et al. | Characterization of metal removal by os sepiae of Sepiella maindroni Rochebrune from aqueous solutions | |
| CN106492752A (en) | A kind of adsorbent new preparation process for processing waste water containing chrome | |
| Nakajima et al. | Removal of selenium (VI) from simulated wet flue gas desulfurization wastewater using photocatalytic reduction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |
|
| RJ01 | Rejection of invention patent application after publication |