CN109264863A - A kind of water process diafiltration filler and its application method by gangue preparation - Google Patents
A kind of water process diafiltration filler and its application method by gangue preparation Download PDFInfo
- Publication number
- CN109264863A CN109264863A CN201811422261.7A CN201811422261A CN109264863A CN 109264863 A CN109264863 A CN 109264863A CN 201811422261 A CN201811422261 A CN 201811422261A CN 109264863 A CN109264863 A CN 109264863A
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- gangue
- water
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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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
- C02F2101/105—Phosphorus 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of water process diafiltration fillers and its application method by gangue preparation, the filler is to will be enriched in the gangue of active iron mineral and lime stone and/or dolomite as raw material, the coal gangue particle object of different-grain diameter will need to be only filled into water treatment building according to required grade sequence when the coal gangue particle object of required partial size that is broken, sieving, obtained after washing, application.Water process diafiltration filler of the invention can be widely applied to the diafiltration material that contaminated rain water in sponge urban construction handles, diafiltration material, the artificial latent filter filler of artificial swamp, have the characteristics that wide raw material sources, the at low cost, treatment of wastes with processes of wastes against one another, environmentally protective.
Description
Technical field
The invention belongs to solid waste resource recoveries to utilize and material for water treatment technical field, and in particular to a kind of gangue
Resource utilization method, water pollution control material.
Background technique
Gangue is the industrial solid castoff having a large capacity and a wide range, and accounts for about 20% or more of national industrial solid wastes total amount.
Average coal per ton about generates 150kg gangue during coal exploitation.China's utilization of coal gangue utilization rate is still at present
Less than 40%, causes Coal Mines city gangue to be accumulated for a long time, City Landscape Environment, atmospheric environment and ecological environment are caused sternly
Ghost image is rung.
The method for reducing gangue discharge amount at present is the backfill of stope underground, and the mode of Coal Mines in situ remediation is to coal mining
Subsidence area, which is filled, realizes soil regeneration, but this method will lead to the raising of coal mining overall cost.Utilization of coal gangue benefit
Approach is also very much, but all more or less there is a problem of various, and such as: making coal gangue brick has been widely applied and big
Amount consumption gangue, but can have gangue comminution energy conssumption height, SO compared with other brickmaking technologies2Discharge high problem.Coal
Spoil power generation is also important utilization ways, but since the calorific value of gangue is relatively low, content of ashes is high, there is power generation effect
Rate is low and the big problem of the quantity of slag.Chemical process divided silicon is carried out to gangue, aluminum for industrial chemicals and prepares water purification agent
There is many research to report, but high production cost, in market, difficulty is competitive.
Therefore, the resource utilization of gangue is still the important technological problems for needing to solve.
Essential mineral in gangue is kaolinite, quartz, chlorite, illite etc. and secondary mineral iron sulfide
(pyrite, marcasite), siderite, calcite, dolomite contain higher organic carbon simultaneously, therefore have certain calorific value
(800-2500kcal).The calorific value size of past more concern gangue carries out coal gangue power generation realization using energy source, closes
The problem of note iron sulfide leaching weathering causes Heavy Metals to change.However applicant of the present invention is by very years of researches
It was found that gangue leaching occur acid effluent mainly appear in the gangue of high sulfur low carbon acid content, in low-sulfur peracid and
In the gangue rainwater leaching process of potentiality, heavy metal ion is can be nonmigratory.
Ecological environmental protection, especially water environment protection and pollution control need a large amount of cheap, green functional material
Material.The key points and difficulties of water environment pollution control at present are the removal of nitrogen and phosphorus element.Spy of the present invention according to gangue
Property, research accumulation and water pollution control the principles of science, invented based on gangue water process diafiltration filler and its preparation and
Application method.
Summary of the invention
Place in order to overcome the shortcomings in the prior art is filled out the present invention provides a kind of by the water process diafiltration of gangue preparation
Material and its application method, it is intended to while obtaining convenient for production, low-cost water process diafiltration filler, solve the money of gangue
Source Utilizing question.
The present invention is to realize goal of the invention, is adopted the following technical scheme that
The invention discloses a kind of water process by gangue preparation to be percolated filler, it is characterized in that: the water process is seeped
Filter filler is using gangue as raw material, after broken, screening, washing, the coal gangue particle object of acquisition.
Wherein, raw material need to meet condition A: the mass percent of active iron mineral is not less than 5%, and lime stone in raw material
And/or the mass percent of dolomite is not less than 5%；The active iron mineral includes iron sulfide and iron carbonate, wherein
Iron sulfide accounts for the mass percent of raw material no more than 2%；
When gangue meets condition A, used directly as raw material；
When gangue is unsatisfactory for condition A, after being handled as follows, it is re-used as raw material use: selection iron content carbon
Hydrochlorate mass percent not less than 30% siderite ore as auxiliary material 1, lime stone and/or dolomite mass percent not
Ore lower than 90% is as auxiliary material 2, according to the needs of condition A, as original after auxiliary material 1 and/or auxiliary material 2 are mixed with gangue
Material.
The present invention further discloses above-mentioned water process diafiltration filler application method, specifically: by the coal of different-grain diameter
Spoil particulate matter is filled into the structures of water process or in place according to required grade sequence, as filtration media and microorganism
Carrier, aerobic, the facultative and anaerobism indigenous microorganism of naturally occurring is spontaneously attached to the coal gangue particle in natural water
The surfaces externally and internally of object realizes the purification of water by the reciprocation of physics, chemistry, biochemistry and microorganism and mineral.
The beneficial effects of the present invention are embodied in:
1, water process of the invention diafiltration filler can be widely applied to the infiltration that contaminated rain water is handled in sponge urban construction
Filter material material, the diafiltration material of artificial swamp, the artificial latent diafiltration material for filtering filler, black and odorous water comprehensive treatment and restoration of the ecosystem,
Have the characteristics that wide raw material sources, the at low cost, treatment of wastes with processes of wastes against one another, environmentally protective.
2, the main rock in gangue is culm, marl, siltstone and coal petrography, all have passed through it is long-term at
Rock effect, intensity and water resistance all with higher.The relatively narrow granular materials of partial size is obtained by broken, screening, washing, due to
Broken selectivity, screening, washing eliminate the low substance of intensity.
3, gangue belongs to Sedimentary Rock, by the crystallization of diagenesis and mineral, shaped minerals and grain therein
The unordered accumulation of shape mineral, embedding life.Surface particles prepared by the present invention are coarse, and material internal mineral intergranular pore is abundant, tool
Have biggish microorganism compatibility, be conducive in water it is aerobic, facultative, each quasi-microorganism of anaerobism is spontaneously attached in material surfaces externally and internally
, prepared granular materials is good microbe carrier.
4, the present invention takes full advantage of the reciprocation of gangue Minerals and microorganism complexity and its environmental effect is come only
Change the pollutant in water.During prepared particle is as diafiltration filler processing water, micro- life of gangue and its attachment
Object has adsorptivity to Organic substance in water, and filler surface layer or particle exterior surface adhere to aerobic microbiological, realize the nitre of ammonia nitrogen in water
Change and organic matter degradation.Packing layer lower part or particle inner surface adhere to anaerobe when dissolving hypoxgia, complete nitrate
Denitrification.Although the carbonaceous in gangue is stablized, very can also slowly be decomposed into small molecule under the action of microorganism has
Machine object, with the organic matter in water together as denitrifying organic carbon source.Iron sulfide, iron carbonate in gangue is even green
Mudstone also can be used as the electron donor of microbial metabolism and provide electronics for nitrate denitrification, with go water removal in nitrate, from
And realize the removal of total nitrogen in water.
5, the chlorite in gangue, iron sulfide, siderite aoxidize to form iron hydroxide by biological and chemical weathering
Object, newborn iron hydroxide have phosphorus effect in very strong fixed water, can be with the nothing of (< 0.5mg/L) micro in high-efficient purification water
Machine phosphorus.The fracture filtration effect and suction-operated of the surface attached biological film to colloidal solid of particulate matter, can be gone with effectively catching
The suspended matters such as the organic-inorganic colloidal solid in water removal.
Detailed description of the invention
Fig. 1 is the photo of coal shale in brick making used in embodiment 1；
Fig. 2 is the XRD spectrum of coal shale in brick making used in embodiment 1, and display essential mineral is quartz, illite etc.；
Fig. 3 is that embodiment 1 carries out crushing and screening, coal gangue particle of the gained grade in 2mm after washing to coal shale in brick making
The SEM image of object, display are mainly made of micron flakes, fibrous mineral, and intergranular pore development is conducive to microorganism on its surface
Attachment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below with reference to embodiment to this hair
Bright specific embodiment is described in detail.The following contents is only to design example of the invention and explanation, institute
Belong to those skilled in the art to make various modifications or additions to the described embodiments or using similar
Mode substitutes, and as long as it does not deviate from the concept of invention or beyond the scope defined by this claim, should belong to the present invention
Protection scope.
Embodiment 1
(1) it investigates and acquires satisfactory gangue typical sample, with the essential mineral of X-ray diffraction analysis gangue
Group become kaolinite, quartz, illite, chlorite, with chemical phase analysis obtain the result shows that: pyrite content 1.6%, water chestnut
The content 4.6% of iron ore, calcite+dolomite content 6%.
(2) processing of gangue double-roll crusher was obtained to the material of 10mm sieve, screening obtains 1-2mm, 2-3mm, 3-
The particulate matter of 6mm, 6-10mm size fractionated, is washed with water, that is, obtains for the coal gangue particle as water process diafiltration filler
Object.
(3) the coal gangue particle object of obtained different-grain diameter is filled into diameter according to from coarse fraction to fine-graded grade sequence
In 5cm plastic tube, the packed height of each grade is 20cm, and using the river water of eutrophication, as intaking, (influent quality parameter is
COD57mg/L、NH3-N 7mg/L、NO3- N 57mg/L, TP 2.8mg/L), hydraulic detention time 24-48h, by 30 Milky Way
Microorganism is spontaneously after coal gangue particle surface filming is reached maturity in water, and the indices for handling water outlet are basicly stable, COD
20-26mg/L、NH3-N 0.45-1mg/L、NO3- N 0.51-1.1mg/L, TP 0.2-0.3mg/L obtain good processing effect
Fruit.
Embodiment 2
(1) coal washing spoil sample is acquired from coal mine, becomes kaolinite with the essential mineral group of X-ray diffraction analysis gangue
Stone, quartz, illite, chlorite obtain pyrite content 1.3%, the content of siderite 1.2%, side with chemical phase analysis
Xie Shi+dolomite content 2.3%.
(2) siderite ore is acquired from iron ore mine, sparring mineral content is 67%；Limestone deposit is acquired from limestone mine
Stone, calcite content 86%.
(3) 90kg gangue and 4kg siderite ore, the processing of 5kg lime stone ore double-roll crusher were obtained
The material of 10mm sieve is simultaneously uniformly mixed, and screening obtains the particulate matter of 1-2mm, 2-3mm, 3-6mm, 6-10mm size fractionated, with clear
Water washing is obtained for the coal gangue particle object as water process diafiltration filler.
(4) particulate matter of obtained different-grain diameter is moulded according to diameter 5cm is filled into from coarse fraction to fine-graded grade sequence
In expects pipe, the packed height of each grade is 20cm, and using the river water of eutrophication as water inlet, (influent quality parameter is COD40-
52mg/L、NH3-N 6-9mg/L、NO3- N 8-12mg/L, TP 2-2.9mg/L), hydraulic detention time 24-48h, by 30
For microorganism spontaneously after coal gangue particle surface filming is reached maturity, the indices for handling water outlet are substantially steady in Tianhe point
It is fixed, COD < 25mg/L, NH3-N<0.5mg/L、NO3- N < 0.5mg/L, TP < 0.3mg/L obtains good treatment effect.
Claims (3)
1. a kind of water process by gangue preparation is percolated filler, it is characterised in that:
The water process diafiltration filler is using gangue as raw material, after broken, screening, washing, the required partial size of acquisition
Coal gangue particle object.
2. a kind of water process by gangue preparation according to claim 1 is percolated filler, it is characterised in that:
Condition A: the mass percent of active iron mineral is not less than 5%, and the quality percentage of lime stone and/or dolomite in raw material
Than being not less than 5%；The active iron mineral includes iron sulfide and iron carbonate, and wherein iron sulfide accounts for the quality hundred of raw material
Divide than being not more than 2%；
When gangue meets condition A, used directly as raw material；
When gangue is unsatisfactory for condition A, after being handled as follows, it is re-used as raw material use: selection iron-bearing carbonate
Siderite ore of the mass percent not less than 30% is not less than as the mass percent of auxiliary material 1, lime stone and/or dolomite
90% ore is as auxiliary material 2, and according to the needs of condition A, raw material is used as after auxiliary material 1 and/or auxiliary material 2 are mixed with gangue.
3. the application method of the diafiltration filler of water process described in a kind of any one of claim 1~2, it is characterised in that:
The coal gangue particle object of different-grain diameter is filled into the structures of water process or in place according to required grade sequence, as
Filtration media and microorganism carrier, aerobic, the facultative and anaerobism indigenous microorganism of naturally occurring is spontaneously attached in natural water
The coal gangue particle object surfaces externally and internally, it is real to pass through the reciprocation of physics, chemistry, biochemistry and microorganism and mineral
The purification of existing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422261.7A CN109264863B (en) | 2018-11-27 | 2018-11-27 | Water treatment percolation filler prepared from coal gangue and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422261.7A CN109264863B (en) | 2018-11-27 | 2018-11-27 | Water treatment percolation filler prepared from coal gangue and application method thereof |
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| CN109264863A true CN109264863A (en) | 2019-01-25 |
| CN109264863B CN109264863B (en) | 2021-03-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330547A (en) * | 2020-03-12 | 2020-06-26 | 河北工业大学 | Non-fired adsorbent for removing organic pollutants in water body based on iron-containing solid waste |
| CN112279377A (en) * | 2020-09-30 | 2021-01-29 | 国河环境研究院(南京)有限公司 | Preparation method of wetland filler for purifying black and odorous water body and water purifying device using filler |
| CN112462656A (en) * | 2020-11-19 | 2021-03-09 | 凤台县天宝建材有限责任公司 | Coal gangue resource comprehensive utilization system |
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| US20100298118A1 (en) * | 2009-05-21 | 2010-11-25 | Zhiping Tan | Fluid catalytic cracking catalyst with low coke yield and method for making the same |
| CN203807295U (en) * | 2013-10-24 | 2014-09-03 | 深圳市铁汉生态环境股份有限公司 | Efficient waveform undercurrent artificial wetland with landscape effect |
| CN104129850A (en) * | 2014-08-14 | 2014-11-05 | 合肥工业大学 | In-situ remediation method for nitrate pollutions in groundwater |
| EP3031986A1 (en) * | 2014-12-12 | 2016-06-15 | Politechnika Lubelska | Method of protection of ground waters |
| CN107573005A (en) * | 2017-10-19 | 2018-01-12 | 周夕和 | A kind of preparation method of ceramic grain filter |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100298118A1 (en) * | 2009-05-21 | 2010-11-25 | Zhiping Tan | Fluid catalytic cracking catalyst with low coke yield and method for making the same |
| CN203807295U (en) * | 2013-10-24 | 2014-09-03 | 深圳市铁汉生态环境股份有限公司 | Efficient waveform undercurrent artificial wetland with landscape effect |
| CN104129850A (en) * | 2014-08-14 | 2014-11-05 | 合肥工业大学 | In-situ remediation method for nitrate pollutions in groundwater |
| EP3031986A1 (en) * | 2014-12-12 | 2016-06-15 | Politechnika Lubelska | Method of protection of ground waters |
| CN107573005A (en) * | 2017-10-19 | 2018-01-12 | 周夕和 | A kind of preparation method of ceramic grain filter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330547A (en) * | 2020-03-12 | 2020-06-26 | 河北工业大学 | Non-fired adsorbent for removing organic pollutants in water body based on iron-containing solid waste |
| CN111330547B (en) * | 2020-03-12 | 2020-10-27 | 河北工业大学 | Non-fired adsorbent for removing organic pollutants in water body based on iron-containing solid waste |
| CN112279377A (en) * | 2020-09-30 | 2021-01-29 | 国河环境研究院(南京)有限公司 | Preparation method of wetland filler for purifying black and odorous water body and water purifying device using filler |
| CN112462656A (en) * | 2020-11-19 | 2021-03-09 | 凤台县天宝建材有限责任公司 | Coal gangue resource comprehensive utilization system |
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| CN109264863B (en) | 2021-03-09 |
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