CN106365365B - Method for treating manganese ore wastewater - Google Patents
Method for treating manganese ore wastewater Download PDFInfo
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- CN106365365B CN106365365B CN201610729983.1A CN201610729983A CN106365365B CN 106365365 B CN106365365 B CN 106365365B CN 201610729983 A CN201610729983 A CN 201610729983A CN 106365365 B CN106365365 B CN 106365365B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 36
- 239000011572 manganese Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000005539 carbonized material Substances 0.000 claims abstract description 31
- 238000001179 sorption measurement Methods 0.000 claims abstract description 19
- 230000015271 coagulation Effects 0.000 claims abstract description 6
- 238000005345 coagulation Methods 0.000 claims abstract description 6
- 239000008394 flocculating agent Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 24
- 239000002023 wood Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 241000209094 Oryza Species 0.000 claims description 15
- 235000007164 Oryza sativa Nutrition 0.000 claims description 15
- 239000003575 carbonaceous material Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 239000010903 husk Substances 0.000 claims description 15
- 235000009566 rice Nutrition 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000006228 supernatant Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 14
- 239000011812 mixed powder Substances 0.000 claims description 12
- 229910021532 Calcite Inorganic materials 0.000 claims description 10
- 108010010803 Gelatin Proteins 0.000 claims description 10
- 239000006004 Quartz sand Substances 0.000 claims description 10
- 229910021536 Zeolite Inorganic materials 0.000 claims description 10
- 239000000440 bentonite Substances 0.000 claims description 10
- 229910000278 bentonite Inorganic materials 0.000 claims description 10
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 10
- 239000003738 black carbon Substances 0.000 claims description 10
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 10
- 229920000159 gelatin Polymers 0.000 claims description 10
- 239000008273 gelatin Substances 0.000 claims description 10
- 235000019322 gelatine Nutrition 0.000 claims description 10
- 235000011852 gelatine desserts Nutrition 0.000 claims description 10
- 239000010457 zeolite Substances 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- 239000002283 diesel fuel Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 5
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 5
- 239000012286 potassium permanganate Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 5
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 238000011109 contamination Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 231100000739 chronic poisoning Toxicity 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- -1 solute Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F2101/206—Manganese or manganese compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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 discloses a method for treating manganese ore wastewater, which comprises the following steps: adsorption, irradiation, secondary adsorption and coagulation discharge. The self-made carbonized material adopted by the invention has strong adsorption and purification effects, and the treatment method is simple and obvious in effect, and finally the self-made carbonized material is matched with a high-efficiency flocculating agent to play a role in mutually compensating and improving the efficiency with the carbonized material.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a method for treating manganese ore wastewater.
Background
The exploitation of manganese ore can generate a large amount of manganese ore wastewater, the water passing capacity of a drain pipe can be reduced in the long-term discharge process of the manganese ore wastewater, a large amount of precipitates can be generated in the pipeline, the pipeline can be broken in serious cases, and if the manganese-containing wastewater enters normal drinking water, chronic poisoning can be caused to harm human health. Radioactive contamination and thermal contamination are also present in some mines. The mineral pollution comprises sand, mud particles, mineral impurities, dust, solute, acid, alkali and the like; organic contamination is by oxidation decomposition products of grease, biological metabolites, wood and other substances. The bacterial pollution is mainly caused by rock powder, mineral powder and associated minerals scattered in the process of mining and transportation. The manganese ore mine water has the characteristic of high manganese ion content, and manganese in the mine water is caused by dissolving manganese oxides, sulfides, carbonates, silicates and the like in rocks and minerals in water. Manganese in the oxidation process migrates into water to generate Mn2 +, so that manganese in the mine water exists mainly in the form of Mn2 +. In the mining process of a mine, a large amount of waste water and waste rock are discharged from the underground, so that the river is polluted, a large amount of farmlands, mountain forests and grasslands are occupied, and the ecological balance is destroyed, so that the serious environmental pollution can be caused if the manganese ore waste water is not treated properly, and the method for treating the manganese ore waste water is provided by the inventor through a large amount of experiments and researches.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method for treating manganese ore wastewater.
The invention is realized by the following technical scheme:
a method for treating manganese ore wastewater, comprising the following steps:
a. adsorption: introducing the manganese ore wastewater into a sedimentation tank, adding a carbonized material into the manganese ore wastewater, and standing for 3-7 h;
b. irradiation: after the standing treatment is finished, taking out the supernatant of the wastewater, carrying out ultraviolet irradiation treatment, then adding a strong oxidant, and stirring for 16-20min according to a specified linear speed;
c. secondary adsorption: continuously adding a carbonized material into the supernatant after the irradiation treatment, and treating for 1-2 h;
d. and (3) coagulation and discharge: and adding a flocculating agent into the supernatant after the secondary adsorption, stirring for reacting for 16-20min, standing for 1h, separating and discharging.
The carbonized material in the step a is prepared from the following raw materials in parts by weight: 8-14 parts of rice husk, 8-14 parts of wood, 6-12 parts of bentonite, 4-12 parts of diatomite, 4-8 parts of calcite, 4-8 parts of quartz sand, 2-8 parts of zeolite and 4-10 parts of gelatin.
The preparation method of the carbonized material comprises the following steps: pulverizing calcite and zeolite to 220-260 meshes, uniformly mixing with bentonite, diatomite and quartz sand to obtain a mixture, cutting wood into wood particles with the diameter of 0.8-1cm, mixing with rice husks, pouring diesel oil with the mass of 5-7% of the wood particles and the rice husks, igniting and burning to obtain black carbon, then pouring out the black carbon by using water to obtain a carbon material, uniformly mixing the mixture and the carbon material according to the proportion, putting the mixture into a pulverizer to be pulverized to 220-260 meshes to obtain a mixed powder, mixing the mixed powder with water according to the mass ratio, adding gelatin, and finally drying to obtain a carbonized material finished product for wastewater treatment.
The mixing ratio of the mixture to the carbon material is 1: 1, and mixing.
The mass ratio of the mixed powder to water in the step is 1: 1.
the time of the ultraviolet irradiation treatment in the step b is 8-16min, and the irradiation distance is 12-18 cm.
The drying temperature is 60-70 deg.C, and the drying time is 20-30 min.
And the strong oxidant in the step b is potassium permanganate.
And the stirring linear speed in the step b is controlled to be 8-12 m/s.
And d, the flocculating agent in the step d is ferric sulfate.
The invention has the beneficial effects that: the self-made carbonized material adopted by the invention has strong adsorption and purification effects, and the treatment method is simple and obvious in effect, and finally the self-made carbonized material is matched with a high-efficiency flocculating agent to play a role in mutually compensating and improving the efficiency with the carbonized material.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific examples, but the scope of the claims is not limited thereto.
Example one
A method for treating manganese ore wastewater, comprising the following steps:
a. adsorption: introducing the manganese ore wastewater into a sedimentation tank, adding a carbonized material into the manganese ore wastewater, and standing for 3 hours;
b. irradiation: after the standing treatment is finished, taking out the supernatant of the wastewater, carrying out ultraviolet irradiation treatment for 8min at an irradiation distance of 12cm, then adding potassium permanganate, and stirring for 16min at a stirring linear speed of 8 m/s;
c. secondary adsorption: continuously adding a carbonized material into the supernatant after the irradiation treatment, and treating for 1 h;
d. and (3) coagulation and discharge: and adding ferric sulfate into the supernatant after the secondary adsorption, stirring for reacting for 16min, standing for 1h, and separating and discharging.
The formula of the carbonized material is as follows: 8 parts of chaff, 8 parts of wood, 6 parts of bentonite, 4 parts of diatomite, 4 parts of calcite, 4 parts of quartz sand, 2 parts of zeolite and 4 parts of gelatin.
The preparation method of the carbonized material comprises the following steps: pulverizing calcite and zeolite to 220 meshes, uniformly mixing with bentonite, diatomite and quartz sand to obtain a mixture, cutting wood into wood particles with the diameter of 0.8cm, mixing with rice husks, pouring diesel oil with the mass of 5% of that of the wood particles and the rice husks, igniting and burning to obtain black carbon, and then pouring out the black carbon by using water to obtain a carbon material, wherein the mass ratio of the carbon material to the wood particles to the rice husks is 1: 1, uniformly mixing the mixture and the carbon material, putting the mixture into a grinder to be ground into 220 meshes to obtain mixed powder, and mixing the mixed powder with water according to a mass ratio of 1: 1, adding gelatin, and finally drying to obtain a carbonized material finished product for wastewater treatment, wherein the drying temperature is 60 ℃ and the drying time is 20 min.
Example two
A method for treating manganese ore wastewater, comprising the following steps:
a. adsorption: introducing the manganese ore wastewater into a sedimentation tank, adding a carbonized material into the manganese ore wastewater, and standing for 7 hours;
b. irradiation: after the standing treatment is finished, taking out the supernatant of the wastewater, carrying out ultraviolet irradiation treatment for 16min at an irradiation distance of 18cm, then adding potassium permanganate, and stirring for 20min at a stirring linear speed of 12 m/s;
c. secondary adsorption: continuously adding a carbonized material into the supernatant after the irradiation treatment, and treating for 2 h;
d. and (3) coagulation and discharge: and adding ferric sulfate into the supernatant after the secondary adsorption, stirring for reacting for 20min, standing for 1h, and separating and discharging.
The formula of the carbonized material is as follows: 14 parts of chaff, 14 parts of wood, 12 parts of bentonite, 12 parts of diatomite, 8 parts of calcite, 8 parts of quartz sand, 8 parts of zeolite and 10 parts of gelatin.
The preparation method of the carbonized material comprises the following steps: smashing calcite and zeolite to 260 meshes, uniformly mixing with bentonite, diatomite and quartz sand to obtain a mixture, cutting wood into wood particles with the diameter of 1cm, mixing with rice husks, pouring 7% diesel oil by mass of the wood particles and the rice husks, igniting and burning to obtain black carbon, and pouring out the black carbon with water to obtain a carbon material, wherein the mass ratio of the carbon material to the wood particles to the rice husks is 1: 1, uniformly mixing the mixture and the carbon material, putting the mixture into a grinder to be ground to 260 meshes to obtain mixed powder, and mixing the mixed powder with water according to a mass ratio of 1: 1, adding gelatin, and finally drying to obtain a carbonized material finished product for wastewater treatment, wherein the drying temperature is 70 ℃, and the drying time is 30 min.
EXAMPLE III
A method for treating manganese ore wastewater, comprising the following steps:
a. adsorption: introducing the manganese ore wastewater into a sedimentation tank, adding a carbonized material into the manganese ore wastewater, and standing for 5 hours;
b. irradiation: after the standing treatment is finished, taking out the supernatant of the wastewater, carrying out ultraviolet irradiation treatment for 12min at an irradiation distance of 15cm, then adding potassium permanganate, and stirring for 18min at a stirring linear speed of 15 m/s;
c. secondary adsorption: continuously adding a carbonized material into the supernatant after the irradiation treatment, and treating for 1.5 h;
d. and (3) coagulation and discharge: and adding ferric sulfate into the supernatant after the secondary adsorption, stirring for reacting for 18min, standing for 1h, and separating and discharging.
The formula of the carbonized material is as follows: 11 parts of chaff, 11 parts of wood, 9 parts of bentonite, 8 parts of diatomite, 6 parts of calcite, 6 parts of quartz sand, 5 parts of zeolite and 7 parts of gelatin.
The preparation method of the carbonized material comprises the following steps: smashing calcite and zeolite to 240 meshes, uniformly mixing with bentonite, diatomite and quartz sand to obtain a mixture, cutting wood into wood particles with the diameter of 0.9cm, mixing with rice husks, pouring diesel oil with the mass of 6% of that of the wood particles and the rice husks, igniting and burning to obtain black carbon, and then pouring out the black carbon by using water to obtain a carbon material, wherein the mass ratio of the carbon material to the wood particles to the rice husks is 1: 1, uniformly mixing the mixture and the carbon material, putting the mixture into a grinder to be ground into 240 meshes to obtain mixed powder, and mixing the mixed powder with water according to a mass ratio of 1: 1, adding gelatin, and finally drying to obtain a carbonized material finished product for wastewater treatment, wherein the drying temperature is 65 ℃ and the drying time is 25 min.
Claims (7)
1. A method for treating manganese ore wastewater is characterized by comprising the following steps: the method comprises the following steps:
a. adsorption: introducing the manganese ore wastewater into a sedimentation tank, adding a carbonized material into the manganese ore wastewater, and standing for 3-7 h;
b. irradiation: after the standing treatment is finished, taking out the supernatant of the wastewater, carrying out ultraviolet irradiation treatment, then adding a strong oxidant, and stirring for 16-20min according to a specified linear speed;
c. secondary adsorption: continuously adding a carbonized material into the supernatant after the irradiation treatment, and treating for 1-2 h;
d. and (3) coagulation and discharge: adding a flocculating agent into the supernatant after the secondary adsorption, stirring for reacting for 16-20min, standing for 1h, separating and discharging;
the carbonized material in the step a is prepared from the following raw materials in parts by weight: 8-14 parts of rice husk, 8-14 parts of wood, 6-12 parts of bentonite, 4-12 parts of diatomite, 4-8 parts of calcite, 4-8 parts of quartz sand, 2-8 parts of zeolite and 4-10 parts of gelatin;
the preparation method of the carbonized material comprises the following steps: pulverizing calcite and zeolite to 260 meshes, uniformly mixing with bentonite, diatomite and quartz sand to obtain a mixture, cutting wood into wood particles with the diameter of 0.8-1cm, mixing with rice husks, pouring diesel oil with the mass of 5-7% of the wood particles and the rice husks, igniting and burning to obtain black carbon, then pouring out the black carbon by using water to obtain a carbon material, uniformly mixing the mixture and the carbon material according to a ratio, putting the mixture into a pulverizer to be pulverized to 260 meshes of 220 meshes to obtain a mixed powder, mixing the mixed powder with water according to a mass ratio, adding gelatin, and finally drying to obtain a carbonized material finished product for wastewater treatment; the mixing ratio of the mixture to the carbon material is 1: 1, and mixing.
2. The method of treating manganese ore wastewater as claimed in claim 1, wherein: the mass ratio of the mixed powder to water in the step is 1: 1.
3. the method of treating manganese ore wastewater as claimed in claim 1, wherein: the time of the ultraviolet irradiation treatment in the step b is 8-16min, and the irradiation distance is 12-18 cm.
4. The method of treating manganese ore wastewater as claimed in claim 1, wherein: the drying temperature is 60-70 deg.C, and the drying time is 20-30 min.
5. The method of treating manganese ore wastewater as claimed in claim 1, wherein: and the strong oxidant in the step b is potassium permanganate.
6. The method of treating manganese ore wastewater as claimed in claim 1, wherein: and the stirring linear speed in the step b is controlled to be 8-12 m/s.
7. The method of treating manganese ore wastewater as claimed in claim 1, wherein: and d, the flocculating agent in the step d is ferric sulfate.
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| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
| CN105236637A (en) * | 2015-10-10 | 2016-01-13 | 贵州万山兴隆锰业有限公司 | Manganese ore wastewater comprehensive treatment method |
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