CN105854808A - Composite adsorbing material based on straw and coal gangue and preparation method thereof - Google Patents
Composite adsorbing material based on straw and coal gangue and preparation method thereof Download PDFInfo
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- CN105854808A CN105854808A CN201610428775.8A CN201610428775A CN105854808A CN 105854808 A CN105854808 A CN 105854808A CN 201610428775 A CN201610428775 A CN 201610428775A CN 105854808 A CN105854808 A CN 105854808A
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- straw
- gangue
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- coal gangue
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
- B01J20/0229—Compounds of Fe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/041—Oxides or hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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- 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
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- 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
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/165—Natural alumino-silicates, e.g. zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
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- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- 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
-
- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
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- 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
-
- 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
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Abstract
The invention discloses a composite adsorbing material based on straw and coal gangue. The composite adsorbing material comprises the straw and the coal gangue, and the mass ratio of the straw to the coal gangue is 75 to 25. According to the composite adsorbing material, the straw and the coal gangue serve as raw materials, by drying, crushing and screening, a powdery material is obtained, the straw size is 150 microns, and the coal gangue size is 75 microns; the straw and the coal gangue are mixed evenly according to the mass ratio of 75: 25, and the mixture is placed into a crucible to be compacted; calcination is conducted in a muffle, wherein the temperature is raised at the heating rate of 15 DEG C/min, heat preservation is conducted for 30 min at the temperature of 500 DEG C and then conducted for 60 min at the temperature of 815 DEG C, and then the finished composite adsorbing material product is obtained. According to the composite adsorbing material based on the straw and the coal gangue, the comprehensive utilization field of the straw and the coal gangue is expanded, the preparation process is simple, complex operation is not involved, cost is low, the effect of the composite adsorbing material applied to the field of sewage purification is remarkable, and the adsorbing performance is excellent.
Description
The application is the preparation method that invention entitled a kind of straw and gangue prepare composite adsorbing material altogether, application number
It it is the divisional application in 201410583341.6 (October 27 2014 applying date).
Technical field
The invention belongs to the recycling field of solid waste, be specifically related to a kind of based on straw and gangue compound
Adsorbing material and preparation method thereof.
Background technology
China is as large agricultural country, and the annual production of agricultural crop straw is up to more than 700,000,000 tons.Due to straw comprehensive development and utilization
Technology is not mature enough, and investment is relatively big, and utilization rate is relatively low, and substantial amounts of straw mainly uses incineration technology to process.
The a large amount of dense smog that annual season for a bumper harvest field straw burning produces, becomes what current rural environmental pollution was difficult to administer
Technical bottleneck.Therefore, expand stalk resource utilize technology and be effectively improved the key that recovery utilization rate is solution problem.
Along with the continuous growth of coal in China yield, half-cooked in coal seam and with the gangue yield of coal facies companion's interpromoting relation in five elements also with
All increasings.According to statistics, total heap of whole nation gangue is the most more than 4,700,000,000 tons at present, and with the speed of annual 200000000 tons
Increasing, it has become one of maximum Mine Solid Wastes of China.The gangue not only severe contamination stacked is around
Environment, and occupy farmland, a large amount of soil, serious to land resource type.Therefore, how gangue is carried out efficiently
Utilize and reduce cost of investment and become the key issue that Coal Industrial is badly in need of solving instantly.
Summary of the invention
It is an object of the invention to provide a kind of composite adsorbing material based on straw and gangue and preparation method thereof, throw
Money low cost, wastewater purifying efficiency is notable.
The invention provides a kind of based on straw with the composite adsorbing material of gangue, including straw and gangue, described
The mass ratio of straw and gangue is 75:25, and this composite adsorbing material is using straw and gangue as raw material, by dry
Dry, broken, screening obtains granular material, and straw a size of 150um, the size of gangue is 75um;By straw and coal
Spoil uniformly mixes according to mass ratio 75:25, places into crucible and is compacted;Calcination processing is carried out: with 15 DEG C in Muffle furnace
The heating rate of/min heats up, and is incubated 30min in 500 DEG C, then at 815 DEG C of insulation 60min, i.e. obtains composite adsorption material
Material finished product.
The invention also discloses a kind of based on straw with the preparation method of the composite adsorbing material of gangue, including walking as follows
Rapid:
(1) using straw and gangue as raw material, by being dried, broken, screening obtains granular material, straw chi
Very little for 150um, the size of gangue is 75um;
(2) straw and gangue are uniformly mixed according to mass ratio 75:25, place into crucible and be compacted;
(3) in Muffle furnace, calcination processing is carried out by entering the mixture that step (2) processed: with 15 DEG C/min's
Heating rate heats up, and is incubated 30min in 500 DEG C, then at 815 DEG C of insulation 60min, i.e. obtains composite adsorbing material and becomes
Product.
Compared with existing composite adsorbing material and preparation method thereof, the beneficial effects of the present invention is:
(1) a kind of composite adsorbing material based on straw and gangue of the present invention and preparation method thereof, with gangue and straw
Stalk is raw material, and that can effectively reduce gangue piles up the pollution problem caused with straw burning, turns waste into wealth, and improves
Its added value.
(2) with existing gangue utilization ways (as gangue is combined with flyash, discarded carbonate tailings) phase
Ratio, the present invention is by crushing gangue and straw, sieve, mix and calcination process, it is thus achieved that hole prosperity
Novel light porous material, explores the most novel route of a gangue and the utilization of straw common resourceization.
(3) compared with commercially available wood activated charcoal, the present invention a kind of is based on straw with the composite adsorbing material of gangue
Organic dye waste water is shown equal excellent adsorption effect, is giving up containing heavy metal ion solution and actual coking
Also having good characterization of adsorption in the process of water, application prospect is extensive.
(4) one agricultural crop straw of the present invention and gangue prepare composite adsorbing material altogether, and preparation technology is simple, absorption
Excellent performance, with low cost, it is easy to popularization and application.
Accompanying drawing explanation
Fig. 1 is the SEM picture of composite adsorbing material of the present invention;
Fig. 2 is that composite adsorbing material of the present invention contrasts picture with commercially available activated carbon to the treatment effect of methylene blue solution;
Fig. 3 is that composite adsorbing material of the present invention contrasts picture with commercially available activated carbon to the treatment effect of copper-bath;
Fig. 4 is that composite adsorbing material of the present invention contrasts picture with commercially available activated carbon to the treatment effect of actual coking chemical waste water.
Detailed description of the invention:
Below in conjunction with Figure of description and embodiment, the invention will be further described.
Embodiment 1:
Selecting agricultural crop straw and gangue as raw material, the most respectively by being dried, broken, screening obtains certain
The granular material (size of straw and gangue is 250um) of particle size range;Then according to straw and gangue is mixed
Closing mass ratio is that the two is uniformly mixed by 60:40, puts into crucible and is compacted, carrying out calcination processing (place in Muffle furnace
Reason system is to heat up with the heating rate of 12 DEG C/min, is incubated 40min, 850 DEG C of insulation 60min in 600 DEG C), i.e. obtain
Obtain composite adsorbing material finished product.
The composite adsorbing material prepared by the present embodiment carries out absorption property detection.Under the conditions of magnetic agitation, by 25mg
Composite adsorbing material adds in methylene blue solution (50mL, 0.03g/L), stirs 15min, centrifugal filtration, takes upper strata
Clear liquid carries out absorbance test.Utilize ultraviolet-uisible spectrophotometer carry out absorbance test (deionized water makees color solution,
Wavelength is arranged on 665nm), it is 2.688 that test result display processes the absorbance of front methylene blue solution, methylene after process
The absorbance of base indigo plant solution is 0.14.
Embodiment 2:
Selecting agricultural crop straw and gangue as raw material, the most respectively by being dried, broken, screening obtains certain
The granular material (straw a size of 250um, the size of gangue is 75um) of particle size range;Then according to straw and coal
The two is uniformly mixed by the mixing quality of spoil than for 90:10, puts into crucible and is compacted, calcining in Muffle furnace
(resolving system is to heat up with the heating rate of 15 DEG C/min, is incubated 35min, 800 DEG C of insulations in 500 DEG C in process
70min), composite adsorbing material finished product is i.e. obtained.Composite adsorbing material prepared by the present embodiment is for processing front methylene
The absorbance of blue solution is 2.688, and after process, the absorbance of methylene blue solution is 0.041.
Embodiment 3:
Selecting agricultural crop straw and gangue as raw material, the most respectively by being dried, broken, screening obtains certain
The granular material (straw a size of 150um, the size of gangue is 75um) of particle size range;Then according to straw and coal
The two is uniformly mixed by the mixing quality of spoil than for 75:25, puts into crucible and is compacted, calcining in Muffle furnace
(resolving system is to heat up with the heating rate of 15 DEG C/min, is incubated 30min, 815 DEG C of insulations in 500 DEG C in process
60min), composite adsorbing material finished product is i.e. obtained.
Composite adsorbing material prepared by the present embodiment is 2.688 for processing the absorbance of front methylene blue solution, after process
The absorbance of methylene blue solution is 0.033.
The microscopic appearance of the composite adsorbing material of the embodiment of the present invention 3 preparation is as shown in Figure 1.Composite adsorbing material has
Substantial amounts of various sizes of micropore, the pore structure of its prosperity and big specific surface area can fully connect with adsorbed material
Touch, provide good architecture basics for absorption property.
Fig. 2 is that methylene blue solution is processed by composite adsorbing material prepared by the embodiment of the present invention with commercially available activated carbon
Effect contrast figure's sheet after 15min.It can be seen that compared with commercially available activated carbon, be combined through product of the present invention
The adsorption treatment of adsorbing material, the absorbance of methylene blue solution is reduced to 0.033 by 2.688, is shown solution methylene
Blue concentration is degraded to zero substantially.Which imply product composite adsorbing material of the present invention methylene blue solution to be had and city
Sell the good clean-up effect that activated carbon property is similar.
Fig. 3 is that composite adsorbing material prepared by the embodiment of the present invention processes 15min with commercially available activated carbon to copper-bath
Rear effect contrast figure's sheet.It can be seen that through product composite adsorbing material of the present invention and the suction of commercially available activated carbon
Attached process, the absorbance of copper-bath is reduced to 0.25 by 0..413, it is shown that good characterization of adsorption.
Fig. 4 be the composite adsorbing material prepared of the embodiment of the present invention with commercially available activated carbon to actual Treatment of Coking Effluent
Effect contrast figure's sheet after 15min.It can be seen that product composite adsorbing material of the present invention is to actual coking chemical waste water
There is the adsorption effect equally similar to commercially available activated carbon.
The performance comparison of composite adsorbing material prepared by embodiment 1-3 is shown in Table 1.
The composite adsorbing material that 1 three kinds of embodiments of table the obtain absorption property to methylene blue solution
Claims (2)
1. one kind based on straw and the composite adsorbing material of gangue, it is characterised in that include straw and gangue, institute
The mass ratio stating straw and gangue is 75:25;
This composite adsorbing material is using straw and gangue as raw material, and by being dried, broken, screening obtains powder
Material, straw a size of 150um, the size of gangue is 75um;By uniform according to mass ratio 75:25 to straw and gangue
Mixing, places into crucible and is compacted;Calcination processing is carried out: heat up with the heating rate of 15 DEG C/min in Muffle furnace,
It is incubated 30min in 500 DEG C, then at 815 DEG C of insulation 60min, i.e. obtains composite adsorbing material finished product.
2. one kind based on straw and the preparation method of the composite adsorbing material of gangue, it is characterised in that include walking as follows
Rapid:
(1) using straw and gangue as raw material, by being dried, broken, screening obtains granular material, straw chi
Very little for 150um, the size of gangue is 75um;
(2) straw and gangue are uniformly mixed according to mass ratio 75:25, place into crucible and be compacted;
(3) in Muffle furnace, calcination processing is carried out by entering the mixture that step (2) processed: with 15 DEG C/min's
Heating rate heats up, and is incubated 30min in 500 DEG C, then at 815 DEG C of insulation 60min, i.e. obtains composite adsorbing material and becomes
Product.
Priority Applications (1)
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CN201610428775.8A CN105854808A (en) | 2014-10-27 | 2014-10-27 | Composite adsorbing material based on straw and coal gangue and preparation method thereof |
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Application Number | Priority Date | Filing Date | Title |
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CN201610428775.8A CN105854808A (en) | 2014-10-27 | 2014-10-27 | Composite adsorbing material based on straw and coal gangue and preparation method thereof |
CN201410583341.6A CN104289182B (en) | 2014-10-27 | 2014-10-27 | A kind of straw and gangue prepare the simple and easy method of composite adsorbing material altogether |
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CN201410583341.6A Division CN104289182B (en) | 2014-10-27 | 2014-10-27 | A kind of straw and gangue prepare the simple and easy method of composite adsorbing material altogether |
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CN201610428772.4A Pending CN106000309A (en) | 2014-10-27 | 2014-10-27 | Composite adsorbing material and preparing method thereof |
CN201410583341.6A Expired - Fee Related CN104289182B (en) | 2014-10-27 | 2014-10-27 | A kind of straw and gangue prepare the simple and easy method of composite adsorbing material altogether |
CN201610428766.9A Pending CN105854807A (en) | 2014-10-27 | 2014-10-27 | Composite adsorbing material based on straw and preparation method thereof |
CN201610428775.8A Pending CN105854808A (en) | 2014-10-27 | 2014-10-27 | Composite adsorbing material based on straw and coal gangue and preparation method thereof |
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CN201610428772.4A Pending CN106000309A (en) | 2014-10-27 | 2014-10-27 | Composite adsorbing material and preparing method thereof |
CN201410583341.6A Expired - Fee Related CN104289182B (en) | 2014-10-27 | 2014-10-27 | A kind of straw and gangue prepare the simple and easy method of composite adsorbing material altogether |
CN201610428766.9A Pending CN105854807A (en) | 2014-10-27 | 2014-10-27 | Composite adsorbing material based on straw and preparation method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106799205A (en) * | 2016-12-22 | 2017-06-06 | 新疆水处理工程技术研究中心有限公司 | A kind of preparation method of drinking water fluorine removal arsenic adsorbent |
CN108421529A (en) * | 2018-04-02 | 2018-08-21 | 武汉理工大学 | A kind of chlorion remover |
CN109821412A (en) * | 2019-03-26 | 2019-05-31 | 安徽工业大学 | A kind of composite modified active carbon and preparation method thereof for flue gas desulfurization and denitrification |
Families Citing this family (8)
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CN104741083A (en) * | 2015-03-30 | 2015-07-01 | 安徽理工大学 | Method for preparing composite magnetic adsorption material |
CN108079937B (en) * | 2018-01-26 | 2020-07-14 | 辽宁大学 | Adsorbent based on waste coal gangue and preparation method and application thereof |
CN108892221A (en) * | 2018-06-21 | 2018-11-27 | 湖南双晟科技信息咨询有限公司 | A method of water body fluoride removal material is prepared using solid waste |
CN108993450A (en) * | 2018-09-10 | 2018-12-14 | 芜湖新达园林绿化集团有限公司 | A kind of low toxic and environment-friendly adsorbent and preparation method thereof, application |
CN109929560A (en) * | 2019-04-26 | 2019-06-25 | 珠海三豫环保新材料科技有限公司 | A method of magnetic bio-carrier is prepared using gangue |
CN113788559A (en) * | 2021-09-15 | 2021-12-14 | 浙江浙能技术研究院有限公司 | Method for treating low-concentration degradation-resistant organic pollutants by using solid waste compound |
CN115672943A (en) * | 2022-11-07 | 2023-02-03 | 昆明理工大学 | Preparation method of stable mineral modified biochar material |
CN117696021B (en) * | 2024-02-05 | 2024-04-16 | 陇东学院 | Gangue modified heavy metal adsorbent and preparation method thereof |
Citations (2)
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CN102225806A (en) * | 2011-05-24 | 2011-10-26 | 合肥工业大学 | Magnetic biological carrier and preparation method thereof |
CN103412114A (en) * | 2013-07-31 | 2013-11-27 | 南京梅山冶金发展有限公司 | Quality comprehensive analysis method for limestone raw materials used in sleeve kiln |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100528247C (en) * | 2007-05-21 | 2009-08-19 | 毛长兴 | Purifying agent |
CN101104141A (en) * | 2007-07-25 | 2008-01-16 | 宁夏大学 | Technique method for preparing active carbon-oxide composite absorbing material and polysilicate-aluminium from coal gangue |
CN101274267A (en) * | 2007-12-22 | 2008-10-01 | 河南理工大学 | Novel technique for producing adsorbent material by activating coal gangue |
CN102266752B (en) * | 2011-06-24 | 2013-01-02 | 东北师范大学 | Method for preparing carbonizing absorption grains used for purifying water |
CN104069690B (en) * | 2014-04-11 | 2016-06-15 | 内蒙古大学 | A kind of utilize coal gangue to prepare zeolite ceramsite filtrate and its preparation method |
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2014
- 2014-10-27 CN CN201610428772.4A patent/CN106000309A/en active Pending
- 2014-10-27 CN CN201410583341.6A patent/CN104289182B/en not_active Expired - Fee Related
- 2014-10-27 CN CN201610428766.9A patent/CN105854807A/en active Pending
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CN106799205A (en) * | 2016-12-22 | 2017-06-06 | 新疆水处理工程技术研究中心有限公司 | A kind of preparation method of drinking water fluorine removal arsenic adsorbent |
CN108421529A (en) * | 2018-04-02 | 2018-08-21 | 武汉理工大学 | A kind of chlorion remover |
CN109821412A (en) * | 2019-03-26 | 2019-05-31 | 安徽工业大学 | A kind of composite modified active carbon and preparation method thereof for flue gas desulfurization and denitrification |
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CN105854807A (en) | 2016-08-17 |
CN106000309A (en) | 2016-10-12 |
CN104289182A (en) | 2015-01-21 |
CN104289182B (en) | 2016-09-21 |
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