CN105540812A - Heavy metal wastewater treatment agent and preparation method of heavy metal wastewater treatment agent - Google Patents
Heavy metal wastewater treatment agent and preparation method of heavy metal wastewater treatment agent Download PDFInfo
- Publication number
- CN105540812A CN105540812A CN201610062932.8A CN201610062932A CN105540812A CN 105540812 A CN105540812 A CN 105540812A CN 201610062932 A CN201610062932 A CN 201610062932A CN 105540812 A CN105540812 A CN 105540812A
- Authority
- CN
- China
- Prior art keywords
- parts
- heavy metal
- wastewater treatment
- treatment agent
- mixture
- 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
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a heavy metal wastewater treatment agent and a preparation method of the heavy metal wastewater treatment agent. The heavy metal wastewater treatment agent is prepared from the following raw materials in parts by weight: 3 to 8 parts of polyacrylamide, 15 to 22 parts of phosphorus ferric polychloride, 12 to 18 parts of gypsum, 20 to 28 parts of zeolite, 10 to 15 parts of sodium lignin sulfonate, 6 to 10 parts of polymerized ferric phosphate, 50 to 58 parts of water, 3 to 8 parts of calcium oxide, 12 to 18 parts of aluminum hydroxide, 3 to 8 parts of calcium chloride, 5 to 10 parts of active carbon, 12 to 15 parts of aluminum potassium sulfate and 5 to 8 parts of diatomite. The heavy metal wastewater treatment agent is prepared by treating the polyacrylamide, the phosphorus ferric polychloride, the polymerized ferric phosphate, the calcium chlorid, the sodium lignin sulfonate and the zeolite by high-pressure water steam to prepare a mixture A, mixing the gypsum, the calcium oxide, the aluminum hydroxide, the active carbon, the aluminum potassium sulfate, the diatomite and the water, and carrying out ultrasonic treatment to obtain a mixture B, and putting the mixture A into the mixture B and treating. The heavy metal wastewater treatment agent disclosed by the invention has a chelating effect on heavy metal, has the advantages of short precipitation time, good effect, low cost and complete treatment, and can be widely applied to the field of heavy metal wastewater treatment.
Description
Technical field
The present invention relates to technical field of waste water processing, specifically a kind of heavy metal containing wastewater treatment agent and preparation method thereof.
Background technology
Heavy metal wastewater thereby refers to the waste water containing heavy metal of discharging in the Industrial processes such as mining and metallurgy, machinofacture, chemical industry, electronics, instrument.Heavy metal (as containing cadmium, nickel, mercury, zinc etc.) waste water is the most serious to an environmental pollution and endangers one of maximum trade effluent to the mankind, and its water quality and quantity is relevant with production technique.Heavy metal in waste water generally can not decompose destruction, can only shift its location and change its Material Form.Treatment process first reforms production technique, use no or little the heavy metal that toxicity is large, often adopt chemical precipitation method, ion exchange method etc. to process at production site treatment in situ (if do not discharged production plant), in the water after process, heavy metal can discharge or reuse lower than emission standard.Form new heavy metal enriched product to recycle or in addition harmless treatment as far as possible.Tradition heavy metal water treatment method is as follows: by several bursts of waste water mixing, reduce heavy metals concentration, then add calcium hydroxide, then add flocculation agent natural subsidence.Finally discharge.This method has length consuming time, Gu slag cannot process, processing cost is high, and processes the shortcomings such as incomplete.
Summary of the invention
The object of the present invention is to provide heavy metal containing wastewater treatment agent that a kind of sedimentation time is short, effective, cost is low and preparation method thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of heavy metal containing wastewater treatment agent, is made up of the following raw material according to weight part: polyacrylamide 3-8 part, poly-phosphorus iron(ic) chloride 15-22 part, gypsum 12-18 part, zeolite 20-28 part, sodium lignosulfonate 10-15 part, polymer phosphate iron 6-10 part, water 50-58 part, calcium oxide 3-8 part, aluminium hydroxide 12-18 part, calcium chloride 3-8 part, gac 5-10 part, aluminum potassium sulfate 12-15 part, diatomite 5-8 part.
As the further scheme of the present invention: described heavy metal containing wastewater treatment agent, be made up of the following raw material according to weight part: polyacrylamide 4-7 part, poly-phosphorus iron(ic) chloride 17-20 part, gypsum 14-16 part, zeolite 22-26 part, sodium lignosulfonate 11-14 part, polymer phosphate iron 7-9 part, water 52-56 part, calcium oxide 4-7 part, aluminium hydroxide 14-16 part, calcium chloride 4-7 part, gac 6-9 part, aluminum potassium sulfate 13-14 part, diatomite 6-7 part.
As the further scheme of the present invention: described heavy metal containing wastewater treatment agent, be made up of the following raw material according to weight part: polyacrylamide 5 parts, poly-18 parts, phosphorus iron(ic) chloride, 15 parts, gypsum, 24 parts, zeolite, sodium lignosulfonate 12 parts, polymer phosphate iron 8 parts, 54 parts, water, 5 parts, calcium oxide, 15 parts, aluminium hydroxide, 6 parts, calcium chloride, gac 7 parts, aluminum potassium sulfate 13 parts, 7 parts, diatomite.
The preparation method of described heavy metal containing wastewater treatment agent, is made up of following steps:
1) get polyacrylamide, poly-phosphorus iron(ic) chloride, polymer phosphate iron, calcium chloride, sodium lignosulfonate, zeolite put into and keep 4.5 normal atmosphere to carry out pressure after pressure cooker passes into water vapour steaming reaction, generation mixture A;
2) gypsum, calcium oxide, aluminium hydroxide, gac, aluminum potassium sulfate, diatomite are mixed with water, and carry out supersound process, ultrasonic power is 900-1000W, and ultrasonic time is 45-50min, obtained mixture B;
3) remaining on Reynolds number inserts in mixture B higher than in the high-speed stirring situation of 6000 by mixture A, stirs the mixture with water cooling by above-mentioned simultaneously, to make the temperature of mixture remain on 35-40 DEG C, and obtained heavy metal containing wastewater treatment agent.
Compared with prior art, the invention has the beneficial effects as follows:
Water conditioner of the present invention is under the acting in conjunction of each raw material, heavy metal has sequestering action, sedimentation time is short, effective, cost is low, process is complete, improve objectionable impurities and the heavy metal ability of degradation water, especially can effectively process the heavy metal wastewater thereby containing high density, can be widely used in heavy metal containing wastewater treatment field, the water quality after process can realize recycling.Formula of the present invention is simple, with low cost, excellent property, is applicable to large-scale production.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of heavy metal containing wastewater treatment agent, is made up of the following raw material according to weight part: polyacrylamide 3 parts, poly-15 parts, phosphorus iron(ic) chloride, 12 parts, gypsum, 20 parts, zeolite, sodium lignosulfonate 10 parts, polymer phosphate iron 6 parts, 50 parts, water, 3 parts, calcium oxide, 12 parts, aluminium hydroxide, 3 parts, calcium chloride, gac 5 parts, aluminum potassium sulfate 12 parts, 5 parts, diatomite.
Get polyacrylamide, poly-phosphorus iron(ic) chloride, polymer phosphate iron, calcium chloride, sodium lignosulfonate, zeolite put into and keep 4.5 normal atmosphere to carry out pressure after pressure cooker passes into water vapour steaming reaction, generation mixture A.
Gypsum, calcium oxide, aluminium hydroxide, gac, aluminum potassium sulfate, diatomite are mixed with water, and carry out supersound process, ultrasonic power is 900W, and ultrasonic time is 45min, obtained mixture B.
Remaining on Reynolds number inserts in mixture B higher than in the high-speed stirring situation of 6000 by mixture A, stirs the mixture with water cooling by above-mentioned simultaneously, to make the temperature of mixture remain on 35 DEG C, and obtained heavy metal containing wastewater treatment agent.
Embodiment 2
In the embodiment of the present invention, a kind of heavy metal containing wastewater treatment agent, is made up of the following raw material according to weight part: polyacrylamide 8 parts, poly-22 parts, phosphorus iron(ic) chloride, 18 parts, gypsum, 28 parts, zeolite, sodium lignosulfonate 15 parts, polymer phosphate iron 10 parts, 58 parts, water, 8 parts, calcium oxide, 18 parts, aluminium hydroxide, 8 parts, calcium chloride, gac 10 parts, aluminum potassium sulfate 15 parts, 8 parts, diatomite.
Get polyacrylamide, poly-phosphorus iron(ic) chloride, polymer phosphate iron, calcium chloride, sodium lignosulfonate, zeolite put into and keep 4.5 normal atmosphere to carry out pressure after pressure cooker passes into water vapour steaming reaction, generation mixture A.
Gypsum, calcium oxide, aluminium hydroxide, gac, aluminum potassium sulfate, diatomite are mixed with water, and carry out supersound process, ultrasonic power is 1000W, and ultrasonic time is 50min, obtained mixture B.
Remaining on Reynolds number inserts in mixture B higher than in the high-speed stirring situation of 6000 by mixture A, stirs the mixture with water cooling by above-mentioned simultaneously, to make the temperature of mixture remain on 40 DEG C, and obtained heavy metal containing wastewater treatment agent.
Embodiment 3
In the embodiment of the present invention, a kind of heavy metal containing wastewater treatment agent, is made up of the following raw material according to weight part: polyacrylamide 4 parts, poly-17 parts, phosphorus iron(ic) chloride, 14 parts, gypsum, 22 parts, zeolite, sodium lignosulfonate 11 parts, polymer phosphate iron 7 parts, 52 parts, water, 4 parts, calcium oxide, 14 parts, aluminium hydroxide, 4 parts, calcium chloride, gac 6 parts, aluminum potassium sulfate 13 parts, 6 parts, diatomite.
Get polyacrylamide, poly-phosphorus iron(ic) chloride, polymer phosphate iron, calcium chloride, sodium lignosulfonate, zeolite put into and keep 4.5 normal atmosphere to carry out pressure after pressure cooker passes into water vapour steaming reaction, generation mixture A.
Gypsum, calcium oxide, aluminium hydroxide, gac, aluminum potassium sulfate, diatomite are mixed with water, and carry out supersound process, ultrasonic power is 1000W, and ultrasonic time is 48min, obtained mixture B.
Remaining on Reynolds number inserts in mixture B higher than in the high-speed stirring situation of 6000 by mixture A, stirs the mixture with water cooling by above-mentioned simultaneously, to make the temperature of mixture remain on 38 DEG C, and obtained heavy metal containing wastewater treatment agent.
Embodiment 4
In the embodiment of the present invention, a kind of heavy metal containing wastewater treatment agent, is made up of the following raw material according to weight part: polyacrylamide 7 parts, poly-20 parts, phosphorus iron(ic) chloride, 16 parts, gypsum, 26 parts, zeolite, sodium lignosulfonate 14 parts, polymer phosphate iron 9 parts, 56 parts, water, 7 parts, calcium oxide, 16 parts, aluminium hydroxide, 7 parts, calcium chloride, gac 9 parts, aluminum potassium sulfate 14 parts, 7 parts, diatomite.
Get polyacrylamide, poly-phosphorus iron(ic) chloride, polymer phosphate iron, calcium chloride, sodium lignosulfonate, zeolite put into and keep 4.5 normal atmosphere to carry out pressure after pressure cooker passes into water vapour steaming reaction, generation mixture A.
Gypsum, calcium oxide, aluminium hydroxide, gac, aluminum potassium sulfate, diatomite are mixed with water, and carry out supersound process, ultrasonic power is 9000W, and ultrasonic time is 46min, obtained mixture B.
Remaining on Reynolds number inserts in mixture B higher than in the high-speed stirring situation of 6000 by mixture A, stirs the mixture with water cooling by above-mentioned simultaneously, to make the temperature of mixture remain on 39 DEG C, and obtained heavy metal containing wastewater treatment agent.
Embodiment 5
In the embodiment of the present invention, a kind of heavy metal containing wastewater treatment agent, is made up of the following raw material according to weight part: polyacrylamide 5 parts, poly-18 parts, phosphorus iron(ic) chloride, 15 parts, gypsum, 24 parts, zeolite, sodium lignosulfonate 12 parts, polymer phosphate iron 8 parts, 54 parts, water, 5 parts, calcium oxide, 15 parts, aluminium hydroxide, 6 parts, calcium chloride, gac 7 parts, aluminum potassium sulfate 13 parts, 7 parts, diatomite.
Preparation process is consistent with embodiment 3.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. a heavy metal containing wastewater treatment agent, it is characterized in that, be made up of the following raw material according to weight part: polyacrylamide 3-8 part, poly-phosphorus iron(ic) chloride 15-22 part, gypsum 12-18 part, zeolite 20-28 part, sodium lignosulfonate 10-15 part, polymer phosphate iron 6-10 part, water 50-58 part, calcium oxide 3-8 part, aluminium hydroxide 12-18 part, calcium chloride 3-8 part, gac 5-10 part, aluminum potassium sulfate 12-15 part, diatomite 5-8 part.
2. heavy metal containing wastewater treatment agent according to claim 1, it is characterized in that, be made up of the following raw material according to weight part: polyacrylamide 4-7 part, poly-phosphorus iron(ic) chloride 17-20 part, gypsum 14-16 part, zeolite 22-26 part, sodium lignosulfonate 11-14 part, polymer phosphate iron 7-9 part, water 52-56 part, calcium oxide 4-7 part, aluminium hydroxide 14-16 part, calcium chloride 4-7 part, gac 6-9 part, aluminum potassium sulfate 13-14 part, diatomite 6-7 part.
3. heavy metal containing wastewater treatment agent according to claim 2, it is characterized in that, be made up of the following raw material according to weight part: polyacrylamide 5 parts, poly-18 parts, phosphorus iron(ic) chloride, 15 parts, gypsum, 24 parts, zeolite, sodium lignosulfonate 12 parts, polymer phosphate iron 8 parts, 54 parts, water, 5 parts, calcium oxide, 15 parts, aluminium hydroxide, 6 parts, calcium chloride, gac 7 parts, aluminum potassium sulfate 13 parts, 7 parts, diatomite.
4. a preparation method for the heavy metal containing wastewater treatment agent as described in as arbitrary in claim 1-3, is characterized in that, be made up of following steps:
1) get polyacrylamide, poly-phosphorus iron(ic) chloride, polymer phosphate iron, calcium chloride, sodium lignosulfonate, zeolite put into and keep 4.5 normal atmosphere to carry out pressure after pressure cooker passes into water vapour steaming reaction, generation mixture A;
2) gypsum, calcium oxide, aluminium hydroxide, gac, aluminum potassium sulfate, diatomite are mixed with water, and carry out supersound process, ultrasonic power is 900-1000W, and ultrasonic time is 45-50min, obtained mixture B;
3) remaining on Reynolds number inserts in mixture B higher than in the high-speed stirring situation of 6000 by mixture A, stirs the mixture with water cooling by above-mentioned simultaneously, to make the temperature of mixture remain on 35-40 DEG C, and obtained heavy metal containing wastewater treatment agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062932.8A CN105540812A (en) | 2016-01-30 | 2016-01-30 | Heavy metal wastewater treatment agent and preparation method of heavy metal wastewater treatment agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062932.8A CN105540812A (en) | 2016-01-30 | 2016-01-30 | Heavy metal wastewater treatment agent and preparation method of heavy metal wastewater treatment agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105540812A true CN105540812A (en) | 2016-05-04 |
Family
ID=55820444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062932.8A Pending CN105540812A (en) | 2016-01-30 | 2016-01-30 | Heavy metal wastewater treatment agent and preparation method of heavy metal wastewater treatment agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105540812A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477653A (en) * | 2016-12-27 | 2017-03-08 | 郑州源冉生物技术有限公司 | A kind of for processing medicament of sanitary sewage and preparation method thereof |
| CN106745633A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of heavy metal-polluted water treatment agent and preparation method thereof |
| CN106745387A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of domestic sewage treating compound and preparation method thereof |
| CN106745464A (en) * | 2017-02-08 | 2017-05-31 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of waste water control medicament rapidly and efficiently and preparation method thereof |
| CN106732402A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of heavy metal-polluted water treatment agent |
| CN107082499A (en) * | 2017-06-08 | 2017-08-22 | 张日龙 | A kind of heavy metal containing wastewater treatment agent |
| CN108002546A (en) * | 2017-12-08 | 2018-05-08 | 中山市绿浪助剂有限公司 | Heavy metal removing water quality restoration agent |
| CN108557920A (en) * | 2018-05-17 | 2018-09-21 | 韩邦森 | A kind of industrial waste water purifying agent and the preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241818A (en) * | 2013-05-29 | 2013-08-14 | 滁州友林科技发展有限公司 | Organic/inorganic compound type flocculant |
| CN104843841A (en) * | 2015-05-23 | 2015-08-19 | 张家港市山牧新材料技术开发有限公司 | Sewage flocculant |
| CN105152294A (en) * | 2015-09-09 | 2015-12-16 | 天津工业大学 | Preparation method and application of flocculant for treating urban sewage |
| CN105198058A (en) * | 2015-10-13 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Industrial waste water composite flocculating agent and preparation method thereof |
| CN105198057A (en) * | 2015-10-13 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Industrial wastewater flocculating agent and preparation method thereof |
| CN105236534A (en) * | 2015-10-13 | 2016-01-13 | 桂林市春晓环保科技有限公司 | Composite flocculating agent for treating industrial wastewater and preparation method thereof |
-
2016
- 2016-01-30 CN CN201610062932.8A patent/CN105540812A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241818A (en) * | 2013-05-29 | 2013-08-14 | 滁州友林科技发展有限公司 | Organic/inorganic compound type flocculant |
| CN104843841A (en) * | 2015-05-23 | 2015-08-19 | 张家港市山牧新材料技术开发有限公司 | Sewage flocculant |
| CN105152294A (en) * | 2015-09-09 | 2015-12-16 | 天津工业大学 | Preparation method and application of flocculant for treating urban sewage |
| CN105198058A (en) * | 2015-10-13 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Industrial waste water composite flocculating agent and preparation method thereof |
| CN105198057A (en) * | 2015-10-13 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Industrial wastewater flocculating agent and preparation method thereof |
| CN105236534A (en) * | 2015-10-13 | 2016-01-13 | 桂林市春晓环保科技有限公司 | Composite flocculating agent for treating industrial wastewater and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477653A (en) * | 2016-12-27 | 2017-03-08 | 郑州源冉生物技术有限公司 | A kind of for processing medicament of sanitary sewage and preparation method thereof |
| CN106745633A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of heavy metal-polluted water treatment agent and preparation method thereof |
| CN106745387A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of domestic sewage treating compound and preparation method thereof |
| CN106732402A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of heavy metal-polluted water treatment agent |
| CN106745464A (en) * | 2017-02-08 | 2017-05-31 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of waste water control medicament rapidly and efficiently and preparation method thereof |
| CN107082499A (en) * | 2017-06-08 | 2017-08-22 | 张日龙 | A kind of heavy metal containing wastewater treatment agent |
| CN108002546A (en) * | 2017-12-08 | 2018-05-08 | 中山市绿浪助剂有限公司 | Heavy metal removing water quality restoration agent |
| CN108557920A (en) * | 2018-05-17 | 2018-09-21 | 韩邦森 | A kind of industrial waste water purifying agent and the preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105540812A (en) | Heavy metal wastewater treatment agent and preparation method of heavy metal wastewater treatment agent | |
| CN109912288B (en) | Synergistic harmless treatment method for electrolytic manganese slag and phosphogypsum | |
| CN101791534B (en) | Phosphorus-removing adsorbent and preparation method thereof | |
| CN103043759B (en) | Method for preparing polyaluminium ferric chloride flocculating agent by pickling waste liquid and waste aluminium material | |
| CN104356294A (en) | Polyacrylamide flocculant and preparation method thereof | |
| CN102151548B (en) | Adsorption material for treating phosphorus wastewater and use thereof | |
| CN104291371A (en) | Preparation method for nanometer calcium hydroxide | |
| CN103787473A (en) | High-stability sewage treating agent and preparation method thereof | |
| CN102002366A (en) | Salinized soil curing agent prepared from industrial waste slag | |
| CN113968716A (en) | Harmless treatment method for electrolytic manganese slag | |
| CN103752261A (en) | Method for preparing uranium adsorbent and curing agent by using raw materials of white mud and oil shale ash | |
| Kalombe et al. | Treatment of acid mine drainage with coal fly ash in a jet loop reactor pilot plant | |
| AU2012367236B2 (en) | A process for lime slurry production | |
| CN105293728A (en) | Reagent used for treating papermaking waste water | |
| JP2013095662A (en) | Method for immobilizing carbon dioxide | |
| CN101913743A (en) | Agent special for bioleaching municipal sludge and production process thereof | |
| CN107445185A (en) | A kind of coal ash for manufacturing for aluminium polychloride method | |
| CN112794488A (en) | Method for synergistic harmless treatment of electrolytic manganese slag leachate and phosphogypsum leachate | |
| CN112390549A (en) | Composite cement of stainless steel slag tailing mud and slag and preparation method thereof | |
| CN106698890A (en) | Method for preparing sludge treating agent through waste acid containing ferrous ions | |
| CN101665278A (en) | Compound phosphorus removal flocculating agent for water treatment | |
| CN105836917A (en) | A method of removing ammonia nitrogen from an aged percolate by utilizing a pyrolysis cyclic stone guano process | |
| CN104787935A (en) | Fluorine-containing wastewater treatment method | |
| CN115432714A (en) | Comprehensive utilization method of electrolytic manganese slag and demanganization building material | |
| CN113145612B (en) | Method for solidifying electrolytic manganese slag heavy metal by utilizing coal gasification process tail gas and carbide slag in cooperation |
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: 20160504 |
|
| RJ01 | Rejection of invention patent application after publication |