CN101920188A - Method for modifying manganese ore and application thereof in removal of arsenic from groundwater permeable reactive wall - Google Patents
Method for modifying manganese ore and application thereof in removal of arsenic from groundwater permeable reactive wall Download PDFInfo
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- CN101920188A CN101920188A CN 201010203313 CN201010203313A CN101920188A CN 101920188 A CN101920188 A CN 101920188A CN 201010203313 CN201010203313 CN 201010203313 CN 201010203313 A CN201010203313 A CN 201010203313A CN 101920188 A CN101920188 A CN 101920188A
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Abstract
The invention belongs to the technical field of groundwater treatment, and discloses a method for modifying low-grade manganese ore and application thereof in removal of arsenic from a groundwater permeable reactive wall. The method is characterized in that low-cost and readily available iron-containing manganese ore is used as a main raw material, after being subjected to modified pelleting, the material is taken as a material of the permeable reactive wall, and the material can remove arsenic from groundwater quickly and efficiently. Based on 200 kilograms of dry basis of manufactured goods, the groundwater permeable reactive wall arsenic removing material comprises the following components by weight: 120 to 150 kilograms of iron-containing manganese ore (40 to 50 percent of manganese content, 15 to 25 percent of iron content, and granules is sieved with a 200-mesh sieve), 5 to 15 kilograms of anatase nano-titanium dioxide, 10 to 20 kilograms of coconut shell activated carbon, 30 to 50 kilograms of ordinary silicate cement (grade 325) and 100 to 200 kilograms of clear water. The roasting temperature is between 150 and 200 DEG C. The invention also discloses the method for modifying the low-grade manganese ore and the application thereof in the removal of arsenic from the groundwater permeable reactive wall.
Description
Technical field
The invention belongs to the groundwater treatment technical field, be specifically related to a kind of method of modifying of manganese ore and be used for the application that groundwater seepage reacts the wall arsenic removal.With the iron content manganese ore is primary raw material, after material is carried out the modification granulation, its absorption property to arsenic is significantly improved, as the material of permeable reactive wall.The present invention can remove the arsenic in the underground water fast and efficiently.
Technical background
Because mining, sewage irrigation and digging well to get water such as drink at activity, arsenic compound dissolves in surface water and the underground water in a large number in the epigeosphere, has brought serious body of groundwater arsenic contamination problem.Arsenic and arsenic compound are the carcinogenic substances of generally acknowledging, so the improvement of Arsenic Contamination in Groundwater and repair and to have become the most urgent environmental problem and the social concern that current China need solve.
By retrieval, the relevant patent documentation of the relevant water body arsenic contamination removal of patent of invention both at home and abroad is as follows:
Application number is a kind of for the 02155224.x document discloses to contain processing method and the device that the high arsenic underground drinking water of matter is planted in the high concentration corruption, the core technology of this method is to adopt ozone Oxidation Treatment, big and unmanageable trivalent arsenic is oxidized to tractable pentavalent arsenic with toxicity, simultaneously humus is oxidized to small organic molecule, utilize biological activated carbon the humus oxidation product is degraded and to adsorb then, at last, utilize high-efficient arsenic-removing sorbent that pentavalent arsenic is removed fully.This method combines arsenious oxidation, organic pollutant removal with the technology of absorption arsenic removal, not only solved the difficult problem that trivalent arsenic can not effectively be removed in the high arsenic underground drinking water that contains the high concentration humus, and, greatly improved the effect of removing arsenic of subsequent treatment adsorbent, prolonged the service life of adsorbent, reduced regeneration times, made to contain the high concentration corruption and plant that the high arsenic of matter is underground to be drunk water outlet and reach the national security drinking water standard high efficiency, low cost.But this method needs complicated chemical reaction, and cost is higher.
Application number is that 03144232.3 document discloses a kind of chlorine dioxide and removes arsenious method in the underground water as oxidant, it is characterized in that this method is made up of following three steps: will must be oxidized to pentavalent arsenic by trivalent arsenic in the underground water with chlorine dioxide as oxidant; Conventional Coagulation with Treatment; Conventional absorption method is handled.Superiority of the present invention is: chlorine dioxide has extremely strong oxidability as a kind of novel oxidant; Harmless with trivalent arsenic in this method removal underground water.
Application number is that 200310106665.2 documents disclose a kind of potassium permanganate and remove arsenious method in the underground water as oxidant, the method is characterized in that this method is made up of following three steps: will must be oxidized to pentavalent arsenic by trivalent arsenic in the underground water with potassium permanganate as oxidant; Conventional Coagulation with Treatment; Conventional absorption method is handled.Superiority of the present invention is: potassium permanganate has extremely strong oxidability as a kind of novel oxidant; Harmless with trivalent arsenic in this method removal underground water.
Application number is that 200310106608.4 documents disclose the method that the chelating resin removal arsenic from underwater of metal is carried in a kind of utilization, and it is characterized in that being made up of the following step: the character according to the water body that will remove is selected metal ion; Metal ion and chelating resin react; Utilize the chelating resin that carries metal to remove arsenic from underwater; Post-processed.Superiority of the present invention is: can reuse; Pollution-free; Removal efficient height.
Application number is that 200410058308.8 documents disclose a kind of economical and effective, the easy processing method that contains As groundwater of operation.In containing As groundwater, pump into the composite highly effective oxidizing flocculant, fully after mixing, flocculation reaction, filtering under the stirring condition by composite double layer filtrate filter post.Water outlet arsenic, iron, manganese, turbidity, colourity, indexs such as COD, Mn can reach national drinking water standard after handling.This method not only cost is higher, and technology content is higher, and construction processing is all difficult.
Application number is arsenic is removed by water is contacted with strong basic type anion-exchange resin by 200510050959.7 (U.S.) from water a method, and this anion exchange resin comprises at least a metal ion or metallic ion, the K of its arsenate
SpBe not more than 10
-5, condition is that this metal is not a zirconium.But all do not show the preparation method and the scope of application separately in the patent, the open degree of patent is insufficient, makes the technical staff be difficult to implement its invention and reach the alleged invention effect of invention according to specification.
Application number is the method and apparatus that 200510086487.0 documents disclose a kind of arsenic polluted water body phytoremediation, utilizes excised leaf a large amount of arsenic that absorb from polluted-water of ciliate desert-grass, reaches and reduces arsenic content and the purpose that purifies water in the water body.Its device mainly is made up of storage cistern and ciliate desert-grass leatherleaf access device, and storage cistern is provided with water inlet and delivery port, is provided with agitating device at the bottom of the pond, and the ciliate desert-grass leatherleaf places in the middle of the two layers of plastic screen cloth, and plastic mesh is fixed on the leatherleaf access device.This invention has small investment and maintenance cost is low, quantities is little, energy consumption is low, the efficient height is removed in easy maintenance, simple to operate, arsenic, do not produce advantage such as secondary pollution, be a kind of applied widely, effective polluted-water " green recovery technique ", can be used for various reparation and the pollution controls that are subjected to arsenic polluted water body, the water quality after the reparation can reach the requirement of national correlation water standard.This invention mainly is subjected to many condition restriction such as the growth cycle, biomass of plant, and it is slower to remove efficient.
Application number is that 200710072657.9 documents disclose the method that a kind of preoxidized-composite electrolyzing is removed arsenic from underwater, belongs to water-treatment technology field.It is somewhat expensive that it has overcome pure Zero-valent Iron, and the corrosion rate of pure Zero-valent Iron is slower, limited the defective of the absorption of arsenic on Zero-valent Iron.The present invention includes following steps: utilize ozone, potassium ferrate, potassium permanganate, H
2O
2, photochemical catalytic oxidation reagent or Fenton reagent carries out pre-oxidation to containing As groundwater, thereby As (III) is converted into As (V); The water of process pre-oxidation is by containing the filter bed of cast-iron scrap and carbon granule, and the pre-oxidation stage, remaining oxidant promoted the reaction of this step.
Application number is that 200910272494.8 documents disclose a kind of permeable reactive wall material and preparation method and purposes of repairing Arsenic Contamination in Groundwater, is specifically related to a kind of permeable reactive wall material and preparation method and purposes of repairing Arsenic Contamination in Groundwater.The preparation of permeable reactive wall material of the present invention is earlier the natural rutile ore deposit to be carried out modification to handle, and each component by weight is as follows: in the manufactured goods butt is 1000kg: the natural rutile ore deposit is 940-960kg; Chemical pure FeCl
3Be 40-60kg; Titaniferous manganese material (TiO
2With MnO
21: 1 of being of mass ratio) be 1-10kg.The permeable reactive wall material of Arsenic Contamination in Groundwater will promptly be obtained repairing after the above-mentioned material mixing immersion.The present invention can make the rutile ore after the modification use as the permeable reactive wall material, removes the arsenic in the underground water water body efficiently, and pollution problem and guarantee drinking water (underground water) safety that solves arsenic in the water body is had crucial meaning.
Application number is that 200910080595.5 documents disclose a kind of multicomponent composite flocculating setting agent and the application in arsenic polluted water body is administered, this invention belongs to river water pollution control technical field, the application in arsenic polluted water body is administered of particularly a kind of multicomponent composite flocculating setting agent and multicomponent composite flocculating setting agent.Multicomponent composite flocculating setting agent of the present invention carries out composite obtaining by molysite, aluminium salt, permanganate and polyacrylamide and the aqueous solution.Multicomponent composite flocculating setting agent of the present invention can be applied to by in the water body treating of arsenic contamination, removal is by the arsenic in the arsenic polluted water body, in the water after the processing arsenic concentration can satisfy or be better than three class water bodys in the national water environment quality standard to the regulation of arsenic concentration require (＜0.05mg/L).Also can be used for sedimentation and remove pollutants such as heavy metal such as copper in the water, chromium, cadmium, lead and metallic iron, manganese metal, phosphate.Multicomponent composite flocculating setting agent of the present invention also can be administered in the arsenic polluted water body that does not flow or flow with the multiple element composite metal oxidate arsenic removal settling agent use in conjunction, removes by the arsenic in the arsenic polluted water body.
Application number is the method that 200910094667.1 documents disclose a kind of liquid absorbent and improvement water body in lake arsenic contamination, and this invention relates to and handled by the great water body of arsenic contamination.This adsorbent is to use molysite FeCl
3Or Fe
2(SO
4)
3Or add an amount of aluminium salt AlCl
3Or Al
2(SO
4)
3With running water or the formulated storing solution of deionized water, its mass concentration is 100-600g/L, and dilution 10-30 doubly sprays the water body that is subjected to arsenic contamination during use.Safety of the present invention, cheapness, arsenic removal efficient height, easy to operate.The extra large arsenic contamination water sample of sun ancestor that the present invention handles detects through graphite furnace atomic absorption spectrometry and atomic fluorescence spectrophotometry, the result shows: arsenic removal efficiency can be greater than 92.7%, can make arsenic concentration drop to 0.003-0.008mg/L from 0.110-0.130mg/L, be lower than the 0.050mg/L of national drinking water sanitary standard (GB5749-2006) regulation, also be lower than the 0.010mg/L of World Health Organization's drinking water quality standard regulation.
Though the material of arsenic all has higher removal to arsenic in the above-mentioned removal water body, its preparation process separately is complicated, and material is expensive.And raw material iron content manganese ore is easy to get in the patent of the present invention, cost is low, method of modifying is simple and easy to do, and effect of removing arsenic is obvious, the adsorption capacity of arsenic is big, underground water arsenic concentration after the processing meets Chinese underground water arsenic standard＜0.01mg/L, and to the underground water of concentration smaller or equal to 200ppb, the term of validity is 9-10.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, it is good to develop a kind of absorption property, and adsorption capacity is big, and preparation technology is simple, a kind of modified manganese ore of removing the arsenic from underwater thing that preparation cost is lower.The modified manganese ore arsenic removal efficient height of the present invention's preparation, saturated extent of adsorption is big, absorption back material settling out, non-secondary pollution, sorbing material are easy to regeneration, can satisfy the needs that current Arsenic Contamination in Groundwater is administered preferably.
The present invention is a raw material with the efficient natural iron content manganese ore of screening gained, sharp attitude type nano titanium oxide, active carbon, Portland cement etc., stir by the material mixing, add the water plasticizing, add the moulding of Portland cement extruder grain again, form (its preparation technology and technology path are referring to Fig. 1) by the Muffle furnace roasting.Implementing core technology of the present invention is to filter out the natural manganese ore with higher adsorption activity by experiment; add a certain proportion of sharp attitude type nano titanium oxide; abundant stirring and evenly mixing; in whipping process, add active carbon earlier; add a certain proportion of cement and water again and stir evenly, material is squeezed into the spheric granules of 1～3mm with comminutor.After the spheric granules of moulding is soaked 10 days, after 2 hours, be permeable reactive wall arsenic removal material of the present invention with the Muffle furnace roasting.
Concrete technical scheme of the present invention is:
A kind of modifying manganese ore preparation method, component by weight is as follows:
In the manufactured goods butt is 200kg:
Iron content manganese ore (manganese content 40%-50%, iron content 15-25%, particle cross 200 orders) 130-160kg;
Sharp attitude type nano titanium oxide 1-5kg;
Activated coco nut charcoal 5-15kg;
Portland cement (label 325) 30-50kg;
Replenish clear water 100-200kg;
Sintering temperature 150-200 ℃.
Prepare according to the following step:
1) by prescription manganese ore and sharp attitude type nano titanium oxide are fully mixed 15min, obtain material 1;
2) in material 1, add active carbon and continue to mix, obtain material 2;
3) gained material 2 is under agitation sprayed clear water and Portland cement, fully mixing obtains material 3;
4) gained material 3 usefulness Squeezinggranulators are made 1～3cm spherical particle, get material 4;
5) the fresh carrier water with gained material 4 floods, and makes that cement hardens gradually in the carrier, dries standbyly after 10 days, obtains material 5;
6) after 2 hours, cool off standby through 150-200 ℃ of roasting at Muffle furnace gained material 5.
According to aforesaid preparation method, the prescription of one of them optimization, component by weight is as follows:
In the manufactured goods butt is 200kg:
Sharp attitude type nano titanium oxide 1.1-2kg;
Activated coco nut charcoal 12-14.9kg;
Label is 325 Portland cement 45-49kg;
Replenish clear water 101-130kg;
Sintering temperature 180-195 ℃.
According to aforesaid preparation method, the prescription of one of them optimization, component by weight is as follows:
In the manufactured goods butt is 200kg:
Sharp attitude type nano titanium oxide 2-3kg;
Activated coco nut charcoal 8-12kg;
Label is 325 Portland cement 35-45kg;
Replenish clear water 130-170kg;
Sintering temperature 165-180 ℃.
According to aforesaid preparation method, the prescription of one of them optimization, component by weight is as follows:
In the manufactured goods butt is 200kg:
Sharp attitude type nano titanium oxide 3-4.5kg;
Activated coco nut charcoal 5-8kg;
Label is 325 Portland cement 31-35kg;
Replenish clear water 170-199kg;
Sintering temperature 155-165 ℃.
The modified manganese ore of the present invention's preparation has good economic benefit, according to the market constant price, every this permeable reactive wall arsenic removal material of production 1kg (containing 75% iron content manganese ore, 1% sharp attitude type nano titanium oxide, 4% active carbon and 20% cement) needs cost to be roughly equal to RMB 1-2 unit.
It is simple and easy to do that the permeable reactive wall arsenic removal material of the present invention preparation has method of modifying, and characteristics such as effect of removing arsenic is obvious.Adsorption effect is subjected to the influence of temperature and pH value less.Saturated absorption back is in neutral water body, and the arsenic that has adsorbed can desorb.Calculate according to mass balance, under the prerequisite of the exchangeability quality that guarantees arsenic removal material, every 1g sorbing material of the present invention can adsorbed water in the arsenic of 8～10mg.(infiltration coefficient is got 0.01m/d) arsenic removal term of validity in the underground water of concentration smaller or equal to 150ppb is more than 9～10 years (the underground water arsenic concentration after the processing meets China's groundwater environment quality standard, arsenic concentration＜0.01mg/L).Experiment simultaneously shows that this arsenic removal material can use after the NaOH solution regeneration by 0.1mol/L repeatedly.
Know-why of the present invention is:
The iron content manganese ore mainly contains a large amount of mineral matters such as ferrimanganic, and under the catalytic action of manganese, the As in the underground water (III) is converted into As (V), and in water body, As (V) is easier to be removed by absorption such as iron.Modified manganese ore contains a large amount of hydration iron carbonyls, and isoelectric pH value is 4.35.After the proper temperature roasting, activated carbon has improved adsorption effect greatly.The sharp attitude type nano titanium oxide rate of adsorption of mixing is fast, adsorption capacity is high, thereby removes the arsenide in anhydrating preferably.The present invention uses natural manganese ore, sharp attitude type nano titanium oxide, active carbon etc. dexterously, and these have the material of special nature, for reducing the underground water arsenic removal material that preparation cost is invented.
The invention has the beneficial effects as follows:
1) underground water arsenic removal material preparation process of the present invention is simple, with feed product mix, add that sharp attitude type is nano-titanium dioxide modified, the granulation sclerosis, roasting can be standby, energy consumption is low and cost of material is low, compares with former manganese ore, has improved more than 3 times through the adsorption capacity of the material after the modification to arsenic;
2) the present invention has taken into full account parsing and the regeneration (NaOH regeneration) after the arsenic removal of iron content manganese ore; And considered ecological security (natural situation be difficult for down resolve) behind the arsenic removal material arsenic-adsorbing;
3) the present invention's usefulness cement has guaranteed the mechanical strength of carrier as the adhesive of granulation, as pore creating material, has guaranteed the porous of particle with active carbon conscientiously, has improved material and phreatic contact-making surface.
Description of drawings
Fig. 1: be technology of the present invention and technology path flow chart.
Fig. 2: be the removal As (III) of the embodiment of the invention 1, embodiment 2, embodiment 3 and the saturated adsorption capacity of As (V).Fig. 2 shows, compares with former manganese ore, has improved more than 3 times through the adsorption capacity of the material after the modification to arsenic.
Fig. 3: be the embodiment of the invention 1, embodiment 2, embodiment 3 in the lab simulation permeable reactive wall, remove the effect of As (V) and As (III).Preparation contains As (III)/As (V) simulate formation waste water of 200 μ g/L, tests in the lab simulation permeable reactive wall.Fig. 3 illustrates the embodiment 1-3 of material of the present invention, and water body arsenic content is significantly descended.
Fig. 4: the material that is the embodiment of the invention 1, embodiment 2, embodiment 3 in the lab simulation permeable reactive wall, the relation of effect of removing arsenic and water pH value.Fig. 4 explanation, the embodiment 1-3 that adopts material of the present invention is in water body pH 3-8 scope, to the not influence of removal effect of water body arsenic.
Fig. 5: the material that is the embodiment of the invention 1, embodiment 2, embodiment 3 in the lab simulation permeable reactive wall, effect of removing arsenic and water temperature relation.Fig. 5 illustrates the embodiment 1-3 that adopts material of the present invention in water temperature 15-45 ℃ scope, and the removal effect of arsenic is not affected.
The specific embodiment
Embodiment 1
A kind of method for modifying manganese ore, component by weight is as follows:
In the manufactured goods butt is 200kg:
Iron content manganese ore (manganese content 40%-50%, iron content 15-25%, particle cross 200 orders) 135kg;
Sharp attitude type nano titanium oxide 1kg;
Activated coco nut charcoal 14kg;
Portland cement (label 325) 50kg;
Replenish clear water 100kg;
200 ℃ of sintering temperatures;
Prepare according to the following step:
1) by prescription manganese ore and sharp attitude type nano titanium oxide are fully mixed 15min, obtain material 1;
2) in material 1, add active carbon and continue to mix, obtain material 2;
3) gained material 2 is under agitation sprayed clear water and Portland cement, fully mixing obtains material 3;
4) gained material 3 usefulness Squeezinggranulators are made 1～3cm spherical particle, get material 4;
5) the fresh carrier water with gained material 4 floods, and makes that cement hardens gradually in the carrier, dries standbyly after 10 days, obtains material 5;
6) after 2 hours, cool off standby through 150-200 ℃ of roasting at Muffle furnace gained material 5.
The arsenic removal material that present embodiment is prepared, under laboratory condition, the simulate formation waste water with containing As (V)/As (III) 200 μ g/L adsorbs in the lab simulation permeable reactive wall.Saturated extent of adsorption to arsenic is As (III): 8.296mg/g and As (V): 8.648mg/g.As (III) and As (V) absorption are met second-order kinetics equation, correlation R
2=0.9999.The term of validity was 9 years.
Embodiment 2
A kind of method for modifying manganese ore, component by weight is as follows:
In the manufactured goods butt is 200kg:
Iron content manganese ore (manganese content 40%-50%, iron content 15-25%, particle cross 200 orders) 147kg;
Sharp attitude type nano titanium oxide 3kg;
Activated coco nut charcoal 10kg;
Portland cement (label 325) 40kg;
Replenish clear water 150kg;
180 ℃ of sintering temperatures.
The arsenic removal material that present embodiment is prepared, under laboratory condition, the simulate formation waste water with containing As (V)/As (III) 200 μ g/L adsorbs in the lab simulation permeable reactive wall.Saturated extent of adsorption to arsenic is As (III): 9.356mg/g and As (V): 9.548mg/g.As (III) and As (V) absorption are met second-order kinetics equation, correlation R
2=0.9992.The term of validity was 9.5 years.
A kind of method for modifying manganese ore, component by weight is as follows:
In the manufactured goods butt is 200kg:
Iron content manganese ore (manganese content 40%-50%, iron content 15-25%, particle cross 200 orders) 155kg;
Sharp attitude type nano titanium oxide 5kg;
Activated coco nut charcoal 5kg;
Portland cement (label 325) 35kg;
Replenish clear water 200kg;
150 ℃ of sintering temperatures.
The arsenic removal material that present embodiment is prepared, under laboratory condition, the simulate formation waste water with containing As (V)/As (III) 200 μ g/L adsorbs in the lab simulation permeable reactive wall.Saturated extent of adsorption to arsenic is As (III): 9.931mg/g and As (V): 10.101mg/g.As (III) and As (V) absorption are met second-order kinetics equation, correlation R
2=0.9922.The term of validity was 10 years.
According to technical scheme provided by the invention and embodiment, the underground water arsenic removal material of preparation of the present invention, by adding sharp attitude type nano titanium oxide, active carbon, be prepared into the spheric granules adsorbent of 1-3mm, this spheric granules adsorbent can be positioned over by in the permeable reactive wall of arsenic contamination during use, cut off pollution sources, reach the purpose of underground water arsenic removal.
Material behavior of the present invention is shown in table 1-2.
Table 1 has shown the influence that the material absorption back of the embodiment of the invention 1, embodiment 2, embodiment 3 is learned underground water hydratable.As shown in Table 1, adopt the embodiment 1-3 of material of the present invention, the water chemistry that acts on water body is had no significant effect.See Table 1.
Table 2 has shown the part physicochemical character of the material product of the embodiment of the invention 1, embodiment 2, embodiment 3.See Table 2
Mn Fe and Ti concentration (mg/L) in the solution of table 1 absorption back
The part physicochemical character of table 2 material product of the present invention
Claims (5)
1. a method for modifying manganese ore is characterized in that, component by weight is as follows:
In the manufactured goods butt is 200kg:
Manganese content 40%-50%, iron content 15-25%, particle cross 200 purpose iron content manganese ore 130-160kg;
Sharp attitude type nano titanium oxide 1-5kg;
Activated coco nut charcoal 5-15kg;
Label is 325 Portland cement 30-50kg;
Replenish clear water 100-200kg;
Sintering temperature 150-200 ℃;
Prepare according to the following step:
1) by prescription manganese ore and sharp attitude type nano titanium oxide are fully mixed 15min, obtain material 1;
2) in material 1, add activated coco nut charcoal and continue to mix, obtain material 2;
3) gained material 2 is under agitation sprayed clear water and Portland cement, fully mixing obtains material 3;
4) gained material 3 usefulness Squeezinggranulators are made 1～3cm spherical particle, get material 4;
5) material 4 waters are flooded, make carrier and make that cement hardens gradually in the carrier, dry standbyly after 10 days, obtain material 5;
6) after 2 hours, cool off standby in 150-200 ℃ of roasting at Muffle furnace gained material 5.
2. method according to claim 1 is characterized in that, component by weight is as follows:
In the manufactured goods butt is 200kg:
Manganese content 40%-50%, iron content 15-25%, particle cross 200 purpose iron content manganese ore 135-140kg;
Sharp attitude type nano titanium oxide 1.1-2kg;
Activated coco nut charcoal 12-14.9kg;
Label is 325 Portland cement 45-49kg;
Replenish clear water 101-130kg;
Sintering temperature 180-195 ℃.
3. method according to claim 1 is characterized in that, component by weight is as follows:
In the manufactured goods butt is 200kg:
Manganese content 40%-50%, iron content 15-25%, particle cross 200 purpose iron content manganese ore 140-150kg;
Sharp attitude type nano titanium oxide 2-3kg;
Activated coco nut charcoal 8-12kg;
Label is 325 Portland cement 35-45kg;
Replenish clear water 130-170kg;
Sintering temperature 165-180 ℃.
4. method according to claim 1 is characterized in that, component by weight is as follows:
In the manufactured goods butt is 200kg:
Manganese content 40%-50%, iron content 15-25%, particle cross 200 purpose iron content manganese ore 150-155kg;
Sharp attitude type nano titanium oxide 3-4.5kg;
Activated coco nut charcoal 5-8kg;
Label is 325 Portland cement 31-35kg;
Replenish clear water 170-199kg;
Sintering temperature 155-165 ℃.
5. the application of each described method of claim 1-4 in groundwater seepage reaction wall.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739057A (en) * | 2014-01-21 | 2014-04-23 | 中国地质大学（武汉） | Arsenic removal method for rural well in high-arsenic underground water region |
| CN104667866A (en) * | 2015-01-29 | 2015-06-03 | 中新苏州工业园区清城环境发展有限公司 | Fe/titanium-based biomass carbon composite material as well as preparation method and application thereof |
| CN105214610A (en) * | 2015-11-11 | 2016-01-06 | 中国电建集团中南勘测设计研究院有限公司 | A kind of underground water tungsten contamination repair materials |
| CN106348507A (en) * | 2016-11-08 | 2017-01-25 | 河南城建学院 | Method for treating black and odorous water in urban river and iron powder containing wall or manganese sand containing wall structure thereof |
| CN106914212A (en) * | 2017-04-11 | 2017-07-04 | 苏州格绿新材料科技有限公司 | A kind of Removal of Arsenic in Drinking Water filter core and preparation method thereof |
| CN109107364A (en) * | 2018-08-29 | 2019-01-01 | 山东迅达化工集团有限公司 | A kind of preparation method of sulphur/cement mercury removal agent |
| CN114751480A (en) * | 2022-03-28 | 2022-07-15 | 中国地质科学院水文地质环境地质研究所 | High-arsenic underground water improvement material, and preparation method and application thereof |
| CN115212840A (en) * | 2022-06-23 | 2022-10-21 | 中国冶金地质总局矿产资源研究院 | Method for preparing formaldehyde purification material by comprehensively utilizing refractory smelting associated iron-manganese ore |
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| CN103739057A (en) * | 2014-01-21 | 2014-04-23 | 中国地质大学（武汉） | Arsenic removal method for rural well in high-arsenic underground water region |
| CN104667866A (en) * | 2015-01-29 | 2015-06-03 | 中新苏州工业园区清城环境发展有限公司 | Fe/titanium-based biomass carbon composite material as well as preparation method and application thereof |
| CN105214610A (en) * | 2015-11-11 | 2016-01-06 | 中国电建集团中南勘测设计研究院有限公司 | A kind of underground water tungsten contamination repair materials |
| CN106348507A (en) * | 2016-11-08 | 2017-01-25 | 河南城建学院 | Method for treating black and odorous water in urban river and iron powder containing wall or manganese sand containing wall structure thereof |
| CN106914212A (en) * | 2017-04-11 | 2017-07-04 | 苏州格绿新材料科技有限公司 | A kind of Removal of Arsenic in Drinking Water filter core and preparation method thereof |
| CN109107364A (en) * | 2018-08-29 | 2019-01-01 | 山东迅达化工集团有限公司 | A kind of preparation method of sulphur/cement mercury removal agent |
| CN109107364B (en) * | 2018-08-29 | 2021-05-07 | 山东迅达化工集团有限公司 | Preparation method of sulfur/cement mercury removal agent |
| CN114751480A (en) * | 2022-03-28 | 2022-07-15 | 中国地质科学院水文地质环境地质研究所 | High-arsenic underground water improvement material, and preparation method and application thereof |
| CN115212840A (en) * | 2022-06-23 | 2022-10-21 | 中国冶金地质总局矿产资源研究院 | Method for preparing formaldehyde purification material by comprehensively utilizing refractory smelting associated iron-manganese ore |
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