CN106966756A - The method that a kind of utilization feces of livestock and poultry and sludge prepare water quality purification function eco-concrete - Google Patents
The method that a kind of utilization feces of livestock and poultry and sludge prepare water quality purification function eco-concrete Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
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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
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- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- C04B33/00—Clay-wares
- C04B33/32—Burning methods
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
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Abstract
The invention discloses a kind of method that utilization feces of livestock and poultry and excess sludge prepare the eco-concrete with water quality purification function.Step is：1st, hydrogen peroxide and sour heating response are added in feces of livestock and poultry, separation of solid and liquid obtains solid A and liquid A；2nd, take with the quality sludge such as excrement, plus diatomite and 50% liquid A, then add iron powder, pH value is adjusted in reaction, then adds hydrogen peroxide, and heating response adds remaining liq A, and agitating and heating reaction, separation of solid and liquid obtains solid B and liquid B；3rd, liquid B pH value is adjusted, separation of solid and liquid obtains solid C and liquid C；4th, solid A, B and C is mixed, and bead is made in ball milling, is calcined, is obtained porous ball；5th, porous ball is impregnated into upper liquid C, add water Ni Heshui in proportion, and concrete material is made.While the present invention prepares the eco-concrete with Function For Purifying Water, innoxious, comprehensive utilization of resources feces of livestock and poultry and excess sludge, energy-conserving and environment-protective, with very high environmental benefit and economic benefit.
Description
Technical field
The invention belongs to building material field, and in particular to the residue of a kind of utilization feces of livestock and poultry and municipal sewage plant
The method that sludge prepares the eco-concrete material with water quality purification function.
Background technology
In recent years, the need for expanding economy, the construction of infrastructure and environmental and ecological protection, environmentally friendly life
State concrete has obtained the extensive attention of people.It is the main of water ecology reparation to build waterside structures using eco-concrete
One of method.Eco-concrete is substantially a kind of celluar concrete for having a continuous hole, during its loose structure is water body
Microorganism, animal and plant provide apposition growth space, are conducive to the multifarious increase of aqueous bio, promote the ecosystem
Repair.It has been developed that substantial amounts of environmentally friendly eco-concrete material, protection and infrastructure to ecological environment
Construction, which is served, energetically to be acted on（Advance in Research on Eco-concrete, Li Huajian, Sun Henghu, Xiao Xuejun, material Leader, 2005,19
（3）:17-24）.But, current eco-concrete is confined to permeable and plant Growable concrete mostly.As environment is dirty
Aggravation and people increasingly the improving, it is necessary to a kind of environment for possessing water process and air-cleaning function to environmental quality requirement of dye
Friendly eco-concrete material.Jiang Ting（Water pollution recovery technique research based on eco-concrete, Hebei University Of Engineering is large
Bachelorship paper, 2015）By reducing the method that gel material content and addition ferrous sulfate reduce eco-concrete pH value
The eco-concrete with nitrogen phosphorus and organics function in purified water is prepared for, but concrete prepared by this method does not have
The remove function of heavy metal.
As the improvement of people's living standards, people increase the demand of the meat, eggs and milk of high-quality year by year, aquaculture is promoted
Great development, plant discharge feces of livestock and poultry very big pressure is caused to environment.In traditional farming and animal husbandry, feces of livestock and poultry is all
It is to be used for agricultural production after compost.But, in modern livestock and poultry cultivation industry, in order to improve the yield and quality of meat, eggs and milk,
And needs of preventing and curing diseases, substantial amounts of nutritional ingredient and various additives rich in trace element, livestock and poultry can be added in feed
After feed, these materials have greatly to be excreted with fecaluria in the form of original shape, so, in feces of livestock and poultry except containing
Have outside protein, amino acid and cellulose wood quality, can also contain the heavy metals such as substantial amounts of copper and iron zinc, and antibiotic and growth
The harmful substances such as accelerator.Traditional composting process, it is impossible to effectively remove these harmful substances, these harmful substances enter with muck
Agricultural product and environment can be caused serious harm by soil.So, it is badly in need of the new method that new feces of livestock and poultry is utilized and handled.
With Chinese Urbanization modernization, urban wastewater discharge increases sharply, in order to handle these waste water, builds a large amount of
Sewage treatment plant, but sewage treatment plant inevitably produces substantial amounts of excess sludge, and these excess sludges are as not in time
Processing, pollutes the environment.At present, various countries are frequently with the processing of the methods such as sanitary landfills, burning and compost.But what these methods had
Environmental security hidden danger is there is, some costs are high.Contain the metallic element such as substantial amounts of organic matter and copper zinc-iron, organic matter in sludge
Based on biological residuum, rich in protein, many compositions therein are all valuable resources.Thus, actively inquire into the comprehensive of sludge
Application way is closed, turns waste into wealth, is the best outlet of sludge treatment.Tong Jie（Plant-growing type eco-concrete material is prepared and its net
Water performance study, Tong Jie, Dalian University of Technology, master thesis, 2014）One kind is developed based on zeolite and excess sludge
Want the plant natural disposition eco-concrete material of raw material, study the eco-concrete of its preparation technology and different mixture ratio to water body pH and
The influence of effects of purification quality.But this method is that directly sludge is added in concrete material, because the composition of sludge is non-
It is often complicated, many harmful substances can be contained, without processing, directly added, the concrete material of preparation has serious environment
Risk.
In order to prepare the eco-concrete with water quality purification function, innoxious, comprehensive utilization and processing feces of livestock and poultry and
Excess sludge, the present invention provides a kind of ecology with Function For Purifying Water prepared by a kind of utilization feces of livestock and poultry and excess sludge
Concrete.
The content of the invention
The purpose of the present invention, is to provide a kind of utilization feces of livestock and poultry and sludge prepares water quality purification function eco-concrete
Method, while preparing the concrete with Function For Purifying Water, makes sludge obtain reasonable employment, is conducive to environment comprehensive to control
Reason, and energy-conserving and environment-protective.
The technical scheme of use is：
The method that a kind of utilization feces of livestock and poultry and sludge prepare the eco-concrete with water quality purification function, it is characterised in that should
Method comprises the following steps：
（1）Fresh feces of livestock and poultry is taken, moisture content 80%-85% is adjusted, the 10%-20% of stool quality weight/mass percentage composition is added
For 30% hydrogen peroxide, stir, heat micro-boiling 10-20min, then kilogram number and the liter of acid solution volume by stool quality
Number is than being 1kg:1L, adds 1-2mol/L sulfuric acid solution, stirs, and continues to heat holding micro-boiling 10-20min, solid-liquid point
From obtaining solid A and liquid A；（2）The moisture content taken with the quality such as excrement is 85%-90% fresh sludge, adds sludge quality
15%-30% diatomite and step one obtain the 50% of liquid A, stir, heating keeps micro-boiling 10-20min, then by step
50% that sulfuric acid total mole number is added in rapid one adds iron powder, stirs, and heats 50-80 DEG C, reacts 10-20min, uses sulfuric acid
The hydrogen peroxide that the percentage composition that solution or calcium hydroxide adjust pH value between 3-4, to add stool quality 15%-30% is 30%, is stirred
Mix uniform, continue heating response 10-30min, remaining liquid A is added, stirred, continue to heat micro-boiling, stirring reaction
30-60min, separation of solid and liquid obtains solid B and liquid B；
（3）It is 7-8 that the liquid B obtained in step 2 is adjusted into pH value with potassium hydroxide, stands 12h-24h, and separation of solid and liquid is obtained
Solid C and liquid C；
（4）The solid C that the solid B and step 3 that solid A that step one is obtained, step 2 are obtained are obtained directly is mixed, and is dried,
Ball milling 2-8h, adds the liquid C wettings that appropriate step three is obtained, and is made the bead that particle diameter is 8-15mm, drying, in burning till temperature
Spend and calcine 10-20min for 1000-1300 DEG C, obtain porous ball；
（5）The porous ball that step 4 is obtained, is soaked in the liquid C that step 3 is obtained, stirring, adsorption saturation, drying, then presses
Mass ratio is porous ball:Cement is 6:1, the ratio of mud is 0.2 ratio feeding, is well mixed, prepares concrete material or directly pour
Build, moisture-keeping maintaining 28d, obtain the eco-concrete material for possessing water quality purification function.
Above-mentioned feces of livestock and poultry includes the excrement of the phytophage such as ox, pig, chicken, sheep, horse and Omnivore.
Method for calcinating is in above-mentioned steps four：300 DEG C are raised to 3 DEG C/min programming rate, and is incubated at this temperature
30 min, then continue to be warming up to firing temperature with 5 DEG C/min speed.
The cement added in above-mentioned steps five is label 42.5 and the ordinary cement of the above.
It is an advantage of the current invention that while preparing the eco-concrete with Function For Purifying Water, innoxious, recycling
Comprehensively utilize feces of livestock and poultry and excess sludge, twice laid, non-secondary pollution, energy-conserving and environment-protective, with very high environmental benefit and
Economic benefit.
Brief description of the drawings
Fig. 1 is the process chart of this method.
Embodiment
Methods and techniques of the present invention are illustrated below by example.
Embodiment 1：The preparation of eco-concrete 1
The cow dung 2Kg that fresh moisture content is 81% is taken, the weight/mass percentage composition for adding 300g is 30% hydrogen peroxide, and stirring is equal
It is even, the min of micro-boiling 15 is heated, 1mol/L sulfuric acid solution 2L is added, stirs, continues to heat the holding min of micro-boiling 15, takes out
Filter, separation of solid and liquid obtains solid A and liquid A；It is another to take the fresh sludge that 2Kg moisture content is 85%, add 400g diatomite and
The 50% of liquid A total amount, stirs, and heating keeps the min of micro-boiling 15, adds 56g iron powders, stirs, be heated to 60 DEG C, instead
15 min are answered, adjust pH value to be 3 with sulfuric acid solution and calcium hydroxide, the weight/mass percentage composition for adding 400g is 30% hydrogen peroxide,
Stir, continue heating response 20min, remaining liquid A is added, stirred, continue to heat micro-boiling, stirring reaction
40min, suction filtration, separation of solid and liquid obtains solid B and liquid B；The pH value for adjusting liquid B with potassium hydroxide is 7, stands 12h, takes out
Filter, separation of solid and liquid obtains solid C and liquid C；Solid A, solid B and solid C are mixed, drying, ball milling 6h, ejecting liquid C,
Wetting, the bead that particle diameter is 8-15mm is made of disk balling machine, dries, is placed in Muffle furnace, with 3 DEG C/min programming rate
It is raised to 300 DEG C, is incubated 30 min, then continue with 5 DEG C/min speed to be warming up to 1050 DEG C, and is incubated cold in 20 min, stove
But room temperature is arrived, porous ball is obtained；Porous ball is soaked in remaining liquid C, stirred, adsorption saturation, porous ball is taken out, in
105 DEG C of drying, then be porous ball in mass ratio:Cement is 6:1, the ratio of mud is that 0.2 ratio takes No. 42.5 portland cements and water,
It is well mixed, 150*150*150mm concrete block is made, moisture-keeping maintaining 28d, the ecology for obtaining possessing water quality purification function is mixed
Solidifying soil material 1.
Embodiment 2：The preparation of eco-concrete 2
Fresh cow dung moisture content is adjusted to 85%, 2Kg is weighed, the weight/mass percentage composition for adding 200g is 30% hydrogen peroxide,
Stir, heat micro-boiling 20min, add 2mol/L sulfuric acid solution 2L, stir, continue to heat holding micro-boiling
20min, suction filtration, separation of solid and liquid obtains solid A and liquid A；It is another to take the fresh sludge that 2Kg moisture content is 90%, add 300g's
The 50% of diatomite and liquid A total amount, stirs, and heating keeps micro-boiling 10min, adds 112g iron powder, stirs, plus
Heat reacts 20min to 50 DEG C, adjusts pH value to be 4 with sulfuric acid solution and calcium hydroxide, the weight/mass percentage composition for adding 300g is
30% hydrogen peroxide, stirs, and continues heating response 30min, remaining liquid A is added, stirred, and continues heating micro-
Boiling, stirring reaction 60min, suction filtration, separation of solid and liquid obtains solid B and liquid B；The pH value for adjusting liquid B with potassium hydroxide is 8,
24h is stood, suction filtration, separation of solid and liquid obtains solid C and liquid C；Solid A, solid B and solid C are mixed, drying, ball milling 2h,
Ejecting liquid C is soaked, and the bead that particle diameter is 8-15mm is made of disk balling machine, is dried, is placed in Muffle furnace, with 3 DEG C/min
Programming rate be raised to 300 DEG C, be incubated 30 min, then continue with 5 DEG C/min speed to be warming up to 1000 DEG C of temperature, and be incubated
Room temperature is cooled in 20 min, stove, porous ball is obtained；Porous ball is soaked in remaining liquid C, stirred, adsorption saturation,
Porous ball is taken out, in 105 DEG C of drying, then is porous ball in mass ratio:Cement is 6:1, the ratio of mud is that 0.2 ratio takes No. 42.5 sulphur
Aluminate cement and water, are well mixed, 150*150*150mm concrete block are made, moisture-keeping maintaining 28d obtains possessing water quality
The eco-concrete material 2 of purification function.
Embodiment 3：The preparation of eco-concrete 3
Fresh pig manure moisture content is adjusted to 83%, 2Kg is weighed, the weight/mass percentage composition for adding 400g is 30% hydrogen peroxide,
Stir, heat micro-boiling 20min, add 1mol/L sulfuric acid solution 2L, stir, continue to heat holding micro-boiling
10min, suction filtration, separation of solid and liquid obtains solid A and liquid A；It is another to take the fresh sludge that 2Kg moisture content is 88%, add 500g's
The 50% of diatomite and liquid A total amount, stirs, and heating keeps micro-boiling 20min, adds 56g iron powders, stirs, be heated to
80 DEG C, 10min is reacted, adjusts pH value to be 3.5 with sulfuric acid solution and calcium hydroxide, the weight/mass percentage composition for adding 600g is 30%
Hydrogen peroxide, stir, remaining liquid A is added, stirred by heating response 30min, continue heat micro-boiling, stirring
30min is reacted, suction filtration, separation of solid and liquid obtains solid B and liquid B；The pH value for adjusting liquid B with potassium hydroxide is 7.5, is stood
20h, suction filtration, separation of solid and liquid obtains solid C and liquid C；Solid A, solid B and solid C are mixed, drying, ball milling 5h, spray
Liquid C is soaked, and the bead that particle diameter is 8-15mm is made of disk balling machine, is dried, is placed in Muffle furnace, with 3 DEG C/min liter
Warm speed is raised to 300 DEG C, is incubated 30 min, then continues with 5 DEG C/min speed to be warming up to 1300 DEG C of temperature, and is incubated 10
Room temperature is cooled in min, stove, porous ball is obtained；Porous ball is soaked in remaining liquid C, stirred, adsorption saturation, taken out
Porous ball, in 105 DEG C of drying, then is porous ball in mass ratio:Cement is 6:1, the ratio of mud is that 0.2 ratio takes No. 42.5 silicate
Cement and water, are well mixed, 150*150*150mm concrete block are made, moisture-keeping maintaining 28d obtains possessing purification of water quality work(
The eco-concrete material 3 of energy.
Embodiment 4：The preparation of eco-concrete 4
Fresh chicken manure moisture content is adjusted to 80%, 2Kg is weighed, the weight/mass percentage composition for adding 400g is 30% hydrogen peroxide,
Stir, heat micro-boiling 20min, add 2mol/L sulfuric acid solution 2L, stir, continue to heat holding micro-boiling
10min, suction filtration, separation of solid and liquid obtains solid A and liquid A；It is another to take the fresh sludge that 2Kg moisture content is 85%, add 400g's
The 50% of diatomite and liquid A total amount, stirs, and heating keeps micro-boiling 15min, adds 112g iron powder, stirs, plus
Heat reacts 20min to 70 DEG C, adjusts pH value to be 4 with sulfuric acid solution and calcium hydroxide, and it is 30% to add 400g percentage composition
Hydrogen peroxide, stirs, and continues heating response 10min, remaining liquid A is added, stirred, and continues to heat micro-boiling, stirs
Reaction 60min is mixed, suction filtration, separation of solid and liquid obtains solid B and liquid B；The pH value for adjusting liquid B with potassium hydroxide is 8, is stood
15h, suction filtration, separation of solid and liquid obtains solid C and liquid C；Solid A, solid B and solid C are mixed, drying, ball milling 2h, spray
Liquid C is soaked, and the bead that particle diameter is 8-15mm is made of granulating disc, is dried, is placed in Muffle furnace, with 3 DEG C/min liter
Warm speed is raised to 300 DEG C, is incubated 30 min, then continues with 5 DEG C/min speed to be warming up to 1200 DEG C of temperature, and is incubated 10
Room temperature is cooled in min, stove, porous ball is obtained；Porous ball is soaked in remaining liquid C, stirred, adsorption saturation, taken out
Porous ball, in 105 DEG C of drying, then is porous ball in mass ratio:Cement is 6:1, the ratio of mud is that 0.2 ratio takes No. 42.5 sulphur aluminic acids
Salt cement and water, are well mixed, 150*150*150mm concrete block are made, moisture-keeping maintaining 28d obtains possessing purification of water quality
The eco-concrete material 4 of function.
Embodiment 5：The preparation of eco-concrete 5
Fresh sheep manure moisture content is adjusted to 80%, 2Kg is weighed, the weight/mass percentage composition for adding 300g is 30% hydrogen peroxide,
Stir, heat micro-boiling 10min, add 1mol/L sulfuric acid solution 2L, stir, continue to heat holding micro-boiling
20min, suction filtration, separation of solid and liquid obtains solid A and liquid A；It is another to take the fresh sludge that 2Kg moisture content is 86%, add 600g's
The 50% of diatomite and liquid A total amount, stirs, and heating keeps micro-boiling 10min, adds 56g iron powder, stirs, and heats
To 60 DEG C, 10min is reacted, adjusts pH value to be 3.5 with sulfuric acid solution and calcium hydroxide, it is 30% to add 300g percentage composition
Hydrogen peroxide, stirs, and continues heating response 20min, remaining liquid A is added, stirred, and continues to heat micro-boiling, stirs
Reaction 30min is mixed, suction filtration, separation of solid and liquid obtains solid B and liquid B；The pH value for adjusting liquid B with potassium hydroxide is 7, is stood
20h, suction filtration, separation of solid and liquid obtains solid C and liquid C；Solid A, solid B and solid C are mixed, drying, ball milling 8h, spray
Liquid C is soaked, and the bead that particle diameter is 8-15mm is made of granulating disc, is dried, is placed in Muffle furnace, with 3 DEG C/min liter
Warm speed is raised to 300 DEG C, is incubated 30 min, then continues with 5 DEG C/min speed to be warming up to 1100 DEG C of temperature, and is incubated 10
Room temperature is cooled in min, stove, porous ball is obtained；Porous ball is soaked in remaining liquid C, stirred, adsorption saturation, taken out
Porous ball, in 105 DEG C of drying, then is porous ball in mass ratio:Cement is 6:1, the ratio of mud is that 0.2 ratio takes No. 42.5 silicate
Cement and water, are well mixed, 150*150*150mm concrete block are made, moisture-keeping maintaining 28d obtains possessing purification of water quality work(
The eco-concrete material 5 of energy.
Embodiment 6：The preparation of eco-concrete 6
Fresh horsehit moisture content is adjusted to 80%, 2Kg is weighed, the weight/mass percentage composition for adding 400g is 30% hydrogen peroxide,
Stir, heat micro-boiling 10min, add 1mol/L sulfuric acid solution 2L, stir, continue to heat holding micro-boiling
10min, suction filtration, separation of solid and liquid obtains solid A and liquid A；It is another to take the fresh sludge that 2Kg moisture content is 85%, add 400g's
The 50% of diatomite and liquid A total amount, stirs, and heating keeps micro-boiling 10min, adds 56g iron powder, stirs, and heats
To 50 DEG C, 10min is reacted, adjusts pH value to be 4 with sulfuric acid solution and calcium hydroxide, it is 30% pair to add 500g percentage composition
Oxygen water, stirs, and continues heating response 20min, remaining liquid A is added, stirred, and continues to heat micro-boiling, stirring
30min is reacted, suction filtration, separation of solid and liquid obtains solid B and liquid B；The pH value for adjusting liquid B with potassium hydroxide is 7, is stood
12h, suction filtration, separation of solid and liquid obtains solid C and liquid C；Solid A, solid B and solid C are mixed, drying, ball milling 4h, spray
Liquid C is soaked, and the bead that particle diameter is 8-15mm is made of granulating disc, is dried, is placed in Muffle furnace, with 3 DEG C/min liter
Warm speed is raised to 300 DEG C, is incubated 30 min, then continues with 5 DEG C/min speed to be warming up to 1150 DEG C of temperature, and is incubated 10
Room temperature is cooled in min, stove, porous ball is obtained；Porous ball is soaked in remaining liquid C, stirred, adsorption saturation, taken out
Porous ball, in 105 DEG C of drying, then is porous ball in mass ratio:Cement is 6:1, the ratio of mud is that 0.2 ratio takes No. 42.5 ordinary silicons
Acid salt cement and water, are well mixed, are made 150*150*150mm concrete block, moisture-keeping maintaining 28d, obtain possessing water quality net
Change the eco-concrete material 6 of function.
Embodiment 7：Eco-concrete performance indications
The porosity of eco-concrete coupon is determined using volumetric method；Each eco-concrete coupon is determined using hydrostatic head method
Coefficient of permeability；With reference to GB50081-2002《Standard for test methods of mechanical properties of ordinary concrete》, determine concrete sample
The compression strength of block；Using monoblock concrete test block 24h submerged in water, the pH values of soaking water are determined.It the results are shown in Table 1.
The eco-concrete performance indications of table 1
Embodiment 8：Purifying property of the eco-concrete to water quality
Using the simulated domestic wastewater of preparation, respectively using glucose, ammonium chloride and potassium dihydrogen phosphate as main carbon, nitrogen and phosphorus source,
Heavy metal is used as using lead ion；Measure 5L total nitrogens (TN), total phosphorus (TP), COD (CODCr) and lead（Pb）Concentration difference
For 2.5mg/L, 0.5mg/L, 75.3mg/L and 200 mg/L waste water sample.Respectively by the eco-concrete obtained by embodiment 1-6
Each 1 piece, clear water is soaked after lixiviating, is placed in the waste water sample, and stirs water sample with 30r/min mixing speeds, is placed at room temperature, fixed
Phase according to《Water and effluent monitoring analysis method》Specified in method Determination TN in water (TN), total phosphorus (TP), COD
(CODCr) and lead（Pb）Content, the results are shown in Table 2
Purifying property of the eco-concrete of table 2 to water quality
Claims (4)
1. a kind of method that utilization feces of livestock and poultry and sludge prepare the eco-concrete with water quality purification function, it is characterised in that
This method comprises the following steps：
（1）Fresh feces of livestock and poultry is taken, moisture content 80%-85% is adjusted, the 10%-20% of stool quality weight/mass percentage composition is added
For 30% hydrogen peroxide, stir, heat micro-boiling 10-20min, then kilogram number and the liter of acid solution volume by stool quality
Number is than being 1kg:1L, adds 1-2mol/L sulfuric acid solution, stirs, and continues to heat holding micro-boiling 10-20min, solid-liquid point
From obtaining solid A and liquid A；
（2）The moisture content taken with the quality such as excrement is 85%-90% fresh sludge, adds the 15%-30% of sludge quality diatom
Soil and step one obtain the 50% of liquid A, stir, and heating keeps micro-boiling 10-20min, then total by sulfuric acid is added in step one
The 50% of molal quantity adds iron powder, stirs, and heats 50-80 DEG C, reacts 10-20min, is adjusted with sulfuric acid solution or calcium hydroxide
PH value continues to heat between 3-4, it is 30% hydrogen peroxide to add stool quality 15%-30% percentage composition, is stirred
10-30min is reacted, remaining liquid A is added, stirred, continues to heat micro-boiling, stirring reaction 30-60min, solid-liquid point
From obtaining solid B and liquid B；
（3）It is 7-8 that the liquid B obtained in step 2 is adjusted into pH value with potassium hydroxide, stands 12h-24h, and separation of solid and liquid is obtained
Solid C and liquid C；
（4）The solid C that the solid B and step 3 that solid A that step one is obtained, step 2 are obtained are obtained directly is mixed, and is dried,
Ball milling 2-8h, adds the liquid C wettings that appropriate step three is obtained, and is made the bead that particle diameter is 8-15mm, drying, in burning till temperature
Spend and calcine 10-20min for 1000-1300 DEG C, obtain porous ball；
（5）The porous ball that step 4 is obtained, is soaked in the liquid C that step 3 is obtained, stirring, adsorption saturation, drying, then presses
Mass ratio is porous ball:Cement is 6:1, the ratio of mud is 0.2 ratio feeding, is well mixed, prepares concrete material, produce.
2. a kind of utilization feces of livestock and poultry according to claim 1 and sludge prepare the eco-concrete with adsorption function
Method, it is characterised in that described feces of livestock and poultry includes the excrement of ox, pig, chicken, sheep, horse phytophage and Omnivore.
3. a kind of utilization feces of livestock and poultry according to claim 1 and sludge prepare the side of water quality purification function eco-concrete
Method, it is characterised in that method for calcinating is in step 4：300 DEG C are raised to 3 DEG C/min programming rate, and is protected at this temperature
30 min of temperature.Continue to be warming up to firing temperature with 5 DEG C/min speed again.
4. a kind of utilization feces of livestock and poultry according to claim 1 and sludge prepare the side of water quality purification function eco-concrete
Method, it is characterised in that the cement added in step 5 is label 42.5 and above ordinary cement.
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