CN105692771A - Material for treating wastewater containing heavy metal - Google Patents
Material for treating wastewater containing heavy metal Download PDFInfo
- Publication number
- CN105692771A CN105692771A CN201610250081.XA CN201610250081A CN105692771A CN 105692771 A CN105692771 A CN 105692771A CN 201610250081 A CN201610250081 A CN 201610250081A CN 105692771 A CN105692771 A CN 105692771A
- Authority
- CN
- China
- Prior art keywords
- parts
- heavy metal
- hydroxy propyl
- water treatment
- chitosan
- 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.)
- Granted
Links
Classifications
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses material for treating wastewater containing heavy metal. The material comprises, by weight, 10-20 parts of hydrochloric acid-modified sepiolite, 15-25 parts of pyridine quaternary ammonium salt type cationic polyacrylamide, 5-8 parts of zeolite powder, 3-10 parts of modified attapulgite, 10-15 parts of cellulose xanthate, 2-8 parts of chitosan, 10-25 parts of crosslinking carboxymethyl starch, 5-10 parts of hydroxy propyl cellulose grafted copolymer, 2-8 parts of ferric sulfate, 1-5 parts of lime powder and 3-8 parts of activated carbon powder, wherein hydroxy propyl cellulose grafted copolymer is formed by hydroxy propyl cellulose grafted with 4-vinyl pyridine. The material for treating the wastewater containing the heavy metal has the advantages that the material is used for separating and removing the heavy metal ions in an aqueous solution, is high in selectivity on the heavy metal ions, is capable of efficiently removing pollution, and is easy in raw material regeneration; energy consumption during the sewage treatment is avoided, the material is simple to produce, and the treated water can reach the discharge standards.
Description
Technical field
The present invention relates to sewage treating material technical field, be specifically related to a kind of process material for heavy metal containing sewage。
Background technology
Discharging the substantial amounts of waste water containing heavy metal in the industrial processes such as mining and metallurgy, chemical industry, electronics, instrument, machine-building, the waste water containing heavy metal (as containing cadmium, nickel, hydrargyrum, zinc etc.) is to pollute the most serious to natural environment and the mankind endanger one of maximum industrial wastewater。Heavy metal generally not easily disappears in nature, it is impossible to decomposes and destroys, and it exists position can only to change its Material Form and transfer, and they can be enriched with by food chain；Heavy metal is except directly acting on human body and causing disease, it is also possible to promote the development of chronic disease。Therefore the process of heavy metal sewage is very urgent。
The processing method being currently used for heavy metal containing sewage includes the sedimentation method, electrolysis, hyperfiltration, evaporation and ion exchange etc., processing method is various, but often because the heavy metal ion content in heavy metal containing sewage is big, power consumption is serious, process material the precipitation of the heavy metal in sewage, Adsorption efficiency is low, and the relatively high reason of expense, the process causing Producer heavy metal sewage is taken a passive attitude, and this is also one of heavy metal containing sewage reason of remaining incessant after repeated prohibition of discharge。
Summary of the invention
Not enough for prior art, the invention provides a kind of low energy consumption, high efficiency, the simple and practical green process material for heavy metal containing sewage。
This invention address that the technical scheme that above-mentioned technical problem adopts is: a kind of heavy metal-polluted material for water treatment, including following raw material: hydrochloric Acid Modification meerschaum, pyridine quaternary ammonium salt type PAMC, zeolite powder, attapulgite modified, cellulose xanthate ester, chitosan, crosslinked carboxymethyl fecula, hydroxy propyl cellulose graft copolymer, iron sulfate, pulverized limestone, activated carbon powder；The mass fraction of described raw material is: hydrochloric Acid Modification meerschaum 10 ~ 20 parts, pyridine quaternary ammonium salt type PAMC 15 ~ 25 parts, zeolite powder 5 ~ 8 parts, attapulgite modified 3 ~ 10 parts, cellulose xanthate ester 10 ~ 15 parts, chitosan 2 ~ 8 parts, crosslinked carboxymethyl fecula 10 ~ 25 parts, hydroxy propyl cellulose graft copolymer 5 ~ 10 parts, 2 ~ 8 parts of iron sulfate, pulverized limestone 1 ~ 5 part, activated carbon powder 3 ~ 8 parts；Described for hydroxypropyl cellulose graft copolymerized 4-vinyl pyridine copolymer。
Further, the heavy metal-polluted material for water treatment of described one, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 15 parts, pyridine quaternary ammonium salt type PAMC 20 parts, zeolite powder 6 parts, attapulgite modified 6 parts, cellulose xanthate ester 12 parts, chitosan 6 parts, crosslinked carboxymethyl fecula 18 parts, hydroxy propyl cellulose graft copolymer 8 parts, 5 parts of iron sulfate, pulverized limestone 3 parts, activated carbon powder 5 parts。
Further, described attapulgite modified preparation method is: by a certain amount of attapulgite through broken, grind after at 700 ~ 1000 DEG C calcination 20 ~ 30min, it is placed in exsiccator is cooled to room temperature through cooling, then soak with the sulfuric acid solution that concentration is 40%, stir 30 ~ 40min, be placed on saturated AlCl through washing, drying3In solution, under room temperature, stir 10 ~ 20min, prepare attapulgite modified after filtering, dry, crushing。
Further, the heavy metal-polluted material for water treatment of described one, its preparation method is: be on the waiting list raw material according to described mass fraction；Be placed in container by hydrochloric Acid Modification meerschaum, zeolite powder, iron sulfate and the pulverized limestone be on the waiting list ultrasonic vibration 15min, be then sequentially added into attapulgite modified, activated carbon powder, crosslinked carboxymethyl fecula and chitosan, every kind of raw material add after stirring 5min；Add pyridine quaternary ammonium salt type PAMC and hydroxy propyl cellulose graft copolymer, stir 20min, prepare heavy metal-polluted material for water treatment。
Compared with prior art, the heavy metal-polluted material for water treatment of the present invention that what the present invention possessed have the beneficial effect that is for separating the heavy metal ion removed in aqueous solution, best composition of raw materials and proportioning is obtained by test of many times, collaborative onset between each raw material in sewage disposal process, play higher adsorption precipitation power and complexation, chelatropic reaction, heavy metal ion has significantly high selectivity, efficient scrubbing, and raw material is prone to regeneration；Sewage disposal process Non-energy-consumption produces, and sewage treating material produces simplicity, and the water quality after gained process reaches discharge standard。
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further。
Embodiment 1: a kind of heavy metal-polluted material for water treatment, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 15 parts, pyridine quaternary ammonium salt type PAMC 20 parts, zeolite powder 6 parts, attapulgite modified 6 parts, cellulose xanthate ester 12 parts, chitosan 6 parts, crosslinked carboxymethyl fecula 18 parts, hydroxy propyl cellulose graft copolymer 8 parts, 5 parts of iron sulfate, pulverized limestone 3 parts, activated carbon powder 5 parts。
Embodiment 2: a kind of heavy metal-polluted material for water treatment, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 10 parts, pyridine quaternary ammonium salt type PAMC 15 parts, zeolite powder 5 parts, attapulgite modified 3 parts, cellulose xanthate ester 10 parts, chitosan 2 parts, crosslinked carboxymethyl fecula 10 parts, hydroxy propyl cellulose graft copolymer 5 parts, 2 parts of iron sulfate, pulverized limestone 1 part, activated carbon powder 3 parts。
Embodiment 3: a kind of heavy metal-polluted material for water treatment, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 20 parts, pyridine quaternary ammonium salt type PAMC 25 parts, zeolite powder 8 parts, attapulgite modified 10 parts, cellulose xanthate ester 15 parts, chitosan 8 parts, crosslinked carboxymethyl fecula 25 parts, hydroxy propyl cellulose graft copolymer 10 parts, 8 parts of iron sulfate, pulverized limestone 5 parts, activated carbon powder 8 parts。
Embodiment 4: a kind of heavy metal-polluted material for water treatment, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 10 parts, pyridine quaternary ammonium salt type PAMC 25 parts, zeolite powder 5 parts, attapulgite modified 10 parts, cellulose xanthate ester 10 parts, chitosan 8 parts, crosslinked carboxymethyl fecula 10 parts, hydroxy propyl cellulose graft copolymer 10 parts, 2 parts of iron sulfate, pulverized limestone 5 parts, activated carbon powder 3 parts。
Embodiment 5: a kind of heavy metal-polluted material for water treatment, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 12 parts, pyridine quaternary ammonium salt type PAMC 22 parts, zeolite powder 7 parts, attapulgite modified 8 parts, cellulose xanthate ester 11 parts, chitosan 6 parts, crosslinked carboxymethyl fecula 15 parts, hydroxy propyl cellulose graft copolymer 6 parts, 4 parts of iron sulfate, pulverized limestone 2 parts, activated carbon powder 6 parts。
In above example, described attapulgite modified preparation method is: by a certain amount of attapulgite through broken, grind after at 800 DEG C calcination 25min, it is placed in exsiccator is cooled to room temperature through cooling, then soak with the sulfuric acid solution that concentration is 40%, stir 35min, be placed on saturated AlCl through washing, drying3In solution, under room temperature, stir 15min, prepare attapulgite modified after filtering, dry, crushing。
The heavy metal-polluted material for water treatment of one described in above example, its preparation method is: be on the waiting list raw material according to described mass fraction；Be placed in container by hydrochloric Acid Modification meerschaum, zeolite powder, iron sulfate and the pulverized limestone be on the waiting list ultrasonic vibration 15min, be then sequentially added into attapulgite modified, activated carbon powder, crosslinked carboxymethyl fecula and chitosan, every kind of raw material add after stirring 5min；Add pyridine quaternary ammonium salt type PAMC and hydroxy propyl cellulose graft copolymer, stir 20min, prepare heavy metal-polluted material for water treatment。
In order to test the treatment effect of gained sewage treating material heavy metal sewage of the present invention, the sewage treating material of embodiment of the present invention 1-5 gained is carried out heavy metal containing sewage process, and adopt commercially available heavy metal-polluted material for water treatment (Guangzhou Xi Jie Environmental Protection Technology Co., Ltd) to carry out identical process as a comparison case, acquired results (unit mg/L) as shown in the table:
| Process material | Input amount | BOD | COD | Hydrargyrum | Chromium | Plumbous | Nickel | Copper |
| Water sample | - | 59 | 364 | 10.2 | 12.7 | 7.1 | 16.5 | 80.3 |
| Embodiment 1 | 150 | 0.8 | 15 | 0.00042 | 0.02 | 0.04 | 0.15 | 0.24 |
| Embodiment 2 | 150 | 1.3 | 22 | 0.00089 | 0.04 | 0.05 | 0.19 | 0.33 |
| Embodiment 3 | 150 | 0.8 | 14 | 0.00050 | 0.02 | 0.02 | 0.14 | 0.20 |
| Embodiment 4 | 150 | 1.1 | 18 | 0.00076 | 0.03 | 0.04 | 0.17 | 0.28 |
| Embodiment 5 | 150 | 1.0 | 16 | 0.00061 | 0.03 | 0.03 | 0.16 | 0.29 |
| Comparative example | 150 | 2.3 | 35 | 0.00373 | 0.08 | 0.06 | 0.23 | 0.47 |
As can be known from the above table, carrying out the material of heavy metal containing sewage process as same treatment method, compared with prior art (comparative example), the present invention has more excellent heavy metal treatment effect and turbidity removal, water purification performance, and heavy metal removing rate is higher。
Claims (7)
1. a heavy metal-polluted material for water treatment, it is characterized in that, including following raw material: hydrochloric Acid Modification meerschaum, pyridine quaternary ammonium salt type PAMC, zeolite powder, attapulgite modified, cellulose xanthate ester, chitosan, crosslinked carboxymethyl fecula, hydroxy propyl cellulose graft copolymer, iron sulfate, pulverized limestone, activated carbon powder；The mass fraction of described raw material is: hydrochloric Acid Modification meerschaum 10 ~ 20 parts, pyridine quaternary ammonium salt type PAMC 15 ~ 25 parts, zeolite powder 5 ~ 8 parts, attapulgite modified 3 ~ 10 parts, cellulose xanthate ester 10 ~ 15 parts, chitosan 2 ~ 8 parts, crosslinked carboxymethyl fecula 10 ~ 25 parts, hydroxy propyl cellulose graft copolymer 5 ~ 10 parts, 2 ~ 8 parts of iron sulfate, pulverized limestone 1 ~ 5 part, activated carbon powder 3 ~ 8 parts；Described for hydroxypropyl cellulose graft copolymerized 4-vinyl pyridine copolymer。
2. the heavy metal-polluted material for water treatment of one according to claim 1, it is characterized in that, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 15 parts, pyridine quaternary ammonium salt type PAMC 20 parts, zeolite powder 6 parts, attapulgite modified 6 parts, cellulose xanthate ester 12 parts, chitosan 6 parts, crosslinked carboxymethyl fecula 18 parts, hydroxy propyl cellulose graft copolymer 8 parts, 5 parts of iron sulfate, pulverized limestone 3 parts, activated carbon powder 5 parts。
3. the heavy metal-polluted material for water treatment of one according to claim 1, it is characterized in that, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 10 parts, pyridine quaternary ammonium salt type PAMC 15 parts, zeolite powder 5 parts, attapulgite modified 3 parts, cellulose xanthate ester 10 parts, chitosan 2 parts, crosslinked carboxymethyl fecula 10 parts, hydroxy propyl cellulose graft copolymer 5 parts, 2 parts of iron sulfate, pulverized limestone 1 part, activated carbon powder 3 parts。
4. the heavy metal-polluted material for water treatment of one according to claim 1, it is characterized in that, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 20 parts, pyridine quaternary ammonium salt type PAMC 25 parts, zeolite powder 8 parts, attapulgite modified 10 parts, cellulose xanthate ester 15 parts, chitosan 8 parts, crosslinked carboxymethyl fecula 25 parts, hydroxy propyl cellulose graft copolymer 10 parts, 8 parts of iron sulfate, pulverized limestone 5 parts, activated carbon powder 8 parts。
5. the heavy metal-polluted material for water treatment of one according to claim 1, it is characterized in that, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 10 parts, pyridine quaternary ammonium salt type PAMC 25 parts, zeolite powder 5 parts, attapulgite modified 10 parts, cellulose xanthate ester 10 parts, chitosan 8 parts, crosslinked carboxymethyl fecula 10 parts, hydroxy propyl cellulose graft copolymer 10 parts, 2 parts of iron sulfate, pulverized limestone 5 parts, activated carbon powder 3 parts。
6. the heavy metal-polluted material for water treatment of one according to claim 1, it is characterized in that, the heavy metal-polluted material for water treatment of described one, including the raw material of following mass fraction: hydrochloric Acid Modification meerschaum 12 parts, pyridine quaternary ammonium salt type PAMC 22 parts, zeolite powder 7 parts, attapulgite modified 8 parts, cellulose xanthate ester 11 parts, chitosan 6 parts, crosslinked carboxymethyl fecula 15 parts, hydroxy propyl cellulose graft copolymer 6 parts, 4 parts of iron sulfate, pulverized limestone 2 parts, activated carbon powder 6 parts。
7. the heavy metal-polluted material for water treatment of one according to any one of claim 1-6, it is characterized in that, described attapulgite modified preparation method is: by a certain amount of attapulgite through broken, grind after at 700 ~ 1000 DEG C calcination 20 ~ 30min, it is placed in exsiccator is cooled to room temperature through cooling, then soak with the sulfuric acid solution that concentration is 40%, stir 30 ~ 40min, be placed on saturated AlCl through washing, drying3In solution, under room temperature, stir 10 ~ 20min, prepare attapulgite modified after filtering, dry, crushing。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250081.XA CN105692771B (en) | 2016-04-21 | 2016-04-21 | A kind of heavy metal-polluted water process material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250081.XA CN105692771B (en) | 2016-04-21 | 2016-04-21 | A kind of heavy metal-polluted water process material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105692771A true CN105692771A (en) | 2016-06-22 |
| CN105692771B CN105692771B (en) | 2018-11-23 |
Family
ID=56217242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610250081.XA Active CN105692771B (en) | 2016-04-21 | 2016-04-21 | A kind of heavy metal-polluted water process material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105692771B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390941A (en) * | 2016-11-04 | 2017-02-15 | 金福兴 | Environment-friendly heavy metal ion adsorbing material and preparation method thereof |
| CN106669617A (en) * | 2016-12-08 | 2017-05-17 | 余姚市庆达机械有限公司 | Sepiolite-based heavy metal adsorption material and preparation method thereof |
| CN106966542A (en) * | 2017-05-31 | 2017-07-21 | 覃祖勇 | The processing method of steel wastewater |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009053972A1 (en) * | 2007-10-22 | 2009-04-30 | Toxsorb Ltd | Modified activated carbon as adsorbent for anionic and cationic inorganic pollutants |
| CN101503255A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Method for treating heavy metal polluted water by multicomponent composite flocculating setting agent |
| CN103193339A (en) * | 2013-04-08 | 2013-07-10 | 中南大学 | Polymetallic-ore-dressing wastewater coagulating sedimentation device and method |
| CN103739053A (en) * | 2014-01-26 | 2014-04-23 | 河北工程大学 | Treating agent for electroplating waste water |
| CN103936200A (en) * | 2014-04-22 | 2014-07-23 | 苏州羽帆新材料科技有限公司 | Treatment method of heavy metal waste water |
| CN104785202A (en) * | 2015-04-21 | 2015-07-22 | 南京林业大学 | Preparation method for modified attapulgite adsorbing agent |
| CN105000651A (en) * | 2015-08-25 | 2015-10-28 | 宁波保税区维迪克环保科技有限公司 | Electroplating wastewater treatment agent |
| CN105498729A (en) * | 2016-01-18 | 2016-04-20 | 徐光武 | Heavy metal wastewater adsorbing material and preparation method thereof |
-
2016
- 2016-04-21 CN CN201610250081.XA patent/CN105692771B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009053972A1 (en) * | 2007-10-22 | 2009-04-30 | Toxsorb Ltd | Modified activated carbon as adsorbent for anionic and cationic inorganic pollutants |
| CN101503255A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Method for treating heavy metal polluted water by multicomponent composite flocculating setting agent |
| CN103193339A (en) * | 2013-04-08 | 2013-07-10 | 中南大学 | Polymetallic-ore-dressing wastewater coagulating sedimentation device and method |
| CN103739053A (en) * | 2014-01-26 | 2014-04-23 | 河北工程大学 | Treating agent for electroplating waste water |
| CN103936200A (en) * | 2014-04-22 | 2014-07-23 | 苏州羽帆新材料科技有限公司 | Treatment method of heavy metal waste water |
| CN104785202A (en) * | 2015-04-21 | 2015-07-22 | 南京林业大学 | Preparation method for modified attapulgite adsorbing agent |
| CN105000651A (en) * | 2015-08-25 | 2015-10-28 | 宁波保税区维迪克环保科技有限公司 | Electroplating wastewater treatment agent |
| CN105498729A (en) * | 2016-01-18 | 2016-04-20 | 徐光武 | Heavy metal wastewater adsorbing material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390941A (en) * | 2016-11-04 | 2017-02-15 | 金福兴 | Environment-friendly heavy metal ion adsorbing material and preparation method thereof |
| CN106669617A (en) * | 2016-12-08 | 2017-05-17 | 余姚市庆达机械有限公司 | Sepiolite-based heavy metal adsorption material and preparation method thereof |
| CN106966542A (en) * | 2017-05-31 | 2017-07-21 | 覃祖勇 | The processing method of steel wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105692771B (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102190345B (en) | Method for enriching low-concentration heavy metal in water by recyclable magnesium hydroxide adsorbent | |
| Krishna et al. | Physico-Chemical Key Parameters, Langmuir and Freundlich isotherm and Lagergren Rate Constant Studies on the removal of divalent nickel from the aqueous solutions onto powder of calcined brick | |
| CN103769058B (en) | The preparation method of carbonization chitosan absorbent, product and application process | |
| CN107162093A (en) | A kind of aquaculture water purifying agent and preparation method thereof | |
| CN105289562B (en) | Heavy metal wastewater thereby recoverying and utilizing method | |
| Bansal et al. | Sequestration of heavy metal ions from multi-metal simulated wastewater systems using processed agricultural biomass | |
| Gupta et al. | Adsorption of chromium (VI) by a low-cost adsorbent prepared from tamarind seeds | |
| CN102963953A (en) | Method for treating coal washing wastewater | |
| CN109012565A (en) | A kind of method of the magnetic carbon material Adsorption heavy metal ions in wastewater of nitrating | |
| Vinodhini et al. | Biowaste materials as sorbents to remove chromium (VI) from aqueous environment-a comparative study | |
| CN107970885A (en) | Compound ammonia nitrogen adsorbent prepared by a kind of microwave radiation method and preparation method thereof | |
| CN109107524B (en) | Red mud adsorbent and preparation method and application thereof | |
| CN105692771A (en) | Material for treating wastewater containing heavy metal | |
| CN105198030B (en) | A kind of method of chlorion in utilization garlic waste removing water | |
| CN105107457B (en) | A kind of preparation method of inorganic powder material and application | |
| Yang et al. | Effect of pyrolysis conditions on food waste conversion to biochar as a coagulant aid for wastewater treatment | |
| CN102963951A (en) | Method for treating papermaking wastewater | |
| CN102963952A (en) | Method for treating oily wastewater | |
| CN111039466A (en) | High-efficiency industrial wastewater treatment method | |
| CN102951697A (en) | Method for treating electroplating wastewater | |
| CN105944688A (en) | Preparation method for improved pineapple peel magnetic adsorbing material and method for removing heavy metal from wastewater | |
| Yi et al. | Phosphate removal of acid wastewater from high-phosphate hematite pickling process by in-situ self-formed dynamic membrane technology | |
| CN103801259A (en) | Coal ash composite filter material and preparation method and application thereof | |
| CN105621524A (en) | Environment-friendly sewage treatment agent and preparation method thereof | |
| NL2029939B1 (en) | Treatment process for purifying chlorine-containing wastewater by crystallization of ammonium salt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190729 Address after: Room 202, Building 2, Jinxiuxuan, Yuexiu Huayuan, Yang Road, Zhanggong District, Ganzhou City, Jiangxi Province, 341000 Patentee after: Jiangxi Jingran Puzhen Environmental Protection Technology Co., Ltd. Address before: 215104 Wuzhong District, Jiangsu, Yue Yue Street, South Guandu Road, No., No. 6 Patentee before: SUZHOU YUNSHU NEW MATERIAL SCIENCE & TECHNOLOGY CO., LTD. |