CN109954477A - A kind of atlapulgite acid lowering agent - Google Patents
A kind of atlapulgite acid lowering agent Download PDFInfo
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- CN109954477A CN109954477A CN201711427731.4A CN201711427731A CN109954477A CN 109954477 A CN109954477 A CN 109954477A CN 201711427731 A CN201711427731 A CN 201711427731A CN 109954477 A CN109954477 A CN 109954477A
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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
- B01J20/04—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
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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
- B01J20/06—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
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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
- B01J20/06—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
Abstract
The present invention relates to atlapulgite technical fields, and in particular to a kind of atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2Content 36-66%, Al2O3Content 5.0-20%, Fe2O3Content 0.5-12%, content of MgO 0.2-10%, CaO content 0.2-10%, K2O content 0.1-4.0%, TiO2Content 0.1-15%, Na2O content 0.1-5%, surplus are inevitable impurity, pH value >=7.The atlapulgite finished product of atlapulgite finished product or client's specified value that meet national standards can not only be prepared using the present invention, and atlapulgite yield can be increased, improves Business Economic Benefit.
Description
Technical field
The present invention relates to atlapulgite technical fields, and in particular to a kind of atlapulgite acid lowering agent.
Background technique
It is raw material that atlapulgite, which is with clay (mainly bentonite), at inorganic acid or salt or other impurity methods
Reason, then through water rinsing, it is dry made of adsorption decolouriser, appearance be it is powdered, odorless, tasteless, nontoxic, absorption property is very strong,
Coloring matter, organic substance can be adsorbed, the fields such as petroleum, chemistry, food, national defence or medical treatment are widely used in.
Activated clay production technique mainly has suspension method (wet process), ageing method (wet process), extrusion (semidry method), ultrasound
Wave, microwave method (dry method).Full-dry method, half wet process production technology operation difficulty are big, and stable product quality is poor, and it is white to limit activity
The purposes of soil, using less in industrial actual production.Currently, domestic preparation activated clay production mostly uses wet processing,
Wet processing be by bentonite ore roughing, crush, it is purified, mashing after in a kettle acid adding, heating, at 70-100 DEG C
It activates within reaction 1.5-6 hours, is repeatedly centrifugated and is rinsed, then neutralized drying, crush obtained atlapulgite production
Product.Although this method stable product quality, acid consumption is very big, causes slurry amount big, and environmental pollution is serious, cost
It is high.
The main production process of existing atlapulgite is as follows: 1, the Chinese invention patent of Patent No. CN99105673.6 is public
A kind of preparation method of wet production atlapulgite is opened, including by after bentonite ore roughing, crushing, with acid at 70~100 DEG C
Lower reaction 1.5~4.5 hours, is repeatedly centrifugated and is rinsed, then neutralized, and control its pH, then drying, crushing
Up to product.This method production process is more rough, while needing to heat reaction, and energy consumption is higher, and is neutralized using a large amount of strong acid
PH value, environmental pollution is larger, repeatedly washes, water consumption is larger, and process is longer, production capacity is low, and production cost is higher.
2, the Chinese invention patent of Patent No. CN200810020192.7 discloses a kind of production technology of atlapulgite,
The invention is handled by depickling before former atlapulgite great Chi soaking and water washing technique is changed to acidification slurry washing, and uses high-pressure flow
Water is washed.The Granularity Structure for changing atlapulgite by the high pressure depickling of early period and high pressure washing, using novel device plus
Work makes the rate of filtration of product from 12 minutes or so at fast filter type atlapulgite product under the premise of not changing decoloration performance
It is increased to less than 7 minutes.Although this method acid elution number is greatly reduced, acid pickle still has pollution to environment, and high
Hydraulic water amount is larger, and process is complex, and production cost is difficult to control.
3, application No. is the Chinese invention patent applications of CN201610654509.7 to disclose a kind of preparation of atlapulgite
Method, clay is added in crusher first carry out it is rough and torn, it is rough and torn after clay enter ball mill, while in the ball mill according to
Certain mass is than being added water and dispersing agent, and by clay abrasive at ore pulp, ore pulp is squeezed into reactive tank with acid in certain temperature condition
Under, it is activated according to certain mass ratio, after activating a period of time, after washing, filters pressing, drying, crushing, detection and packaging,
Up to atlapulgite.Although this method reduces the usage amount of acid and the water consumption of washing, dispersing agent by the way that dispersing agent is added
Additional addition drop influence product quality, and appointed with sour water consumption right larger.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of activity for deficiency present in the background technique
Carclazyte acid lowering agent produces atlapulgite using the atlapulgite acid lowering agent, it is white can not only to prepare activity that meet national standards
The atlapulgite finished product of native finished product or client's specified value, but also simplify the conventional wet technological process of production, it is greatly reduced
Industrial water, electricity consumption reduce sour water and administer and outlet load, saving enterprise's production cost.Meanwhile using the atlapulgite
Acid lowering agent also further increases atlapulgite yield, improves Business Economic Benefit.
The scheme that the present invention solves above-mentioned technical problem is: a kind of atlapulgite acid lowering agent, by as follows by weight percentage
At being grouped as: SiO2Content 36-66%, Al2O3Content 5.0-20%, Fe2O3Content 0.5-12%, content of MgO 0.2-10%,
CaO content 0.2-10%, K2O content 0.1-4.0%, TiO2Content 0.1-15%, Na2O content 0.1-5%, surplus are inevitable
Impurity, pH value >=7.
Preferably, above-mentioned atlapulgite acid lowering agent at being grouped as are as follows: SiO2Content 36.12%, Al2O3Content 19.26%,
Fe2O3Content 8.58%, content of MgO 9.86%, CaO content 10.26%, K2O content 4.0%, TiO2Content 1.2%, Na2O content
7.65%, other impurity 3.07%, pH value 7.2.
Preferably, above-mentioned atlapulgite acid lowering agent at being grouped as are as follows: SiO2Content 59.62%, Al2O3Content 14.53%,
Fe2O3Content 2.82%, content of MgO 9.17%, CaO content 5.26%, K2O content 0.17%, TiO2Content 2.39%, Na2O content
4.45%, other impurity 1.59%, pH value 8.4.
Preferably, above-mentioned atlapulgite acid lowering agent at being grouped as are as follows: SiO2Content 47.62%, Al2O3Content 9.53%,
Fe2O3Content 0.82%, content of MgO 9.17%, CaO content 4.26%, K2O content 0.19%, TiO2Content 2.64%, Na2O content
3.45%, other impurity 22.32%, pH value 7.6.
Preferably, above-mentioned atlapulgite acid lowering agent at being grouped as are as follows: SiO2Content 48.4%, Al2O3Content 7.54%,
Fe2O3Content 6.09%, content of MgO 3.37%, CaO content 6.37%, K2O content 0.18%, TiO2Content 0.08%, Na2O content
5.75%, other impurity 22.22%, pH value 8.
Preferably, above-mentioned atlapulgite acid lowering agent at being grouped as are as follows: SiO2Content 57.76%, Al2O3Content 7.46%,
Fe2O3Content 4.48%, content of MgO 2.59%, CaO content 10.23%, K2O content 1.98%, TiO2Content 0.43%, Na2O content
1.55%, other impurity 13.52%, pH value 8.7.
Preferably, above-mentioned atlapulgite acid lowering agent at being grouped as are as follows: SiO2Content 65.77%, Al2O3Content 8.62%,
Fe2O3Content 5.18%, content of MgO 2.99%, CaO content 11.82%, K2O content 2.29%, TiO2Content 0.5%, Na2O content
1.79%, other impurity 1.04%, pH value 9.5.
Preferably, moisture content≤12% of above-mentioned atlapulgite acid lowering agent.
The preparation method of above-mentioned atlapulgite acid lowering agent, includes the following steps:
Step 1: raw material is chosen, and chooses 90 parts of attapulgites, 5 parts of bentonites and 5 parts of ingredients as basic raw material；
Step 2: raw material mixing is mixed evenly attapulgite, bentonite and ingredient in step 1 to form mixture A；
Step 3: the mixture A in step 2 is carried out room temperature acidification with 1-10 parts of acid and 15 parts of water and is formed by acidification
Mixture B, acidificatoin time >=72 hour；
Step 4: 1-5 parts of alkali is added in the mixture B into step 3 for basification, add water be mixed evenly to be formed it is mixed
Material C is closed, mixture C water content is 10-20%；
Step 5: brilliant beam dissociation is repeatedly extruded with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture
D；
Step 6: drying roasting, by step 5 mixture D be sent into roaster roast 30-90 minutes, 300-500 DEG C of temperature,
Form mixture E；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture E, percent of pass >=90% forms final finished.
Preferably, the ingredient in the preparation method step 1 of above-mentioned atlapulgite acid lowering agent is kaolinite, illite, stone
The combination material of one or more of the mineral such as English, dolomite, feldspar.
It preferably, is sulfuric acid or hydrochloric acid etc. with acid in the preparation method step 3 of above-mentioned atlapulgite acid lowering agent, preferably
98% sulfuric acid or the low-concentration sulfuric acid to convert on an equal basis, the hydrochloric acid of 36-38% or the low-concentration hcl to convert on an equal basis.
It preferably, is sodium hydroxide, calcium hydroxide, hydrogen with alkali in the preparation method step 4 of above-mentioned atlapulgite acid lowering agent
Magnesia etc..
Preferably, in the preparation method step 5 of above-mentioned atlapulgite acid lowering agent twin rollers pressing steps four mixture C
It is 2-5 times.
Preferably, it can also use and dry in the preparation method step 6 of above-mentioned atlapulgite acid lowering agent, it is mixed after drying
Close material E moisture content≤12%.
Preferably, powder is carried out to mixture E using Raymond mill in the preparation method step 7 of above-mentioned atlapulgite acid lowering agent
Mill.
It is using the method that above-mentioned atlapulgite acid lowering agent prepares atlapulgite；First by clay pit through ore dressing, activation, pressure
The prefabricated material that free acid content is 0.30-2.5% is made after filter, drying, then atlapulgite acid lowering agent is added in prefabricated material and passes through
8 hours are stood after grinding and can be made into finished product, according to the content 0.30-2.5% of free acid in prefabricated material, in every 100 parts of prefabricated material
Add 1-20 parts of atlapulgite acid lowering agents.
Preferably, above-mentioned atlapulgite acid lowering agent is prepared in the method for atlapulgite, and atlapulgite acid lowering agent is added prefabricated
In material when grinding, grinding machine temperature is 30-100 DEG C.
Preferably, above-mentioned atlapulgite acid lowering agent is prepared in the method for atlapulgite, when the content of free acid in prefabricated material
When 0.30%, 1 part of atlapulgite acid lowering agent is added in every 100 parts of prefabricated material.
Preferably, above-mentioned atlapulgite acid lowering agent is prepared in the method for atlapulgite, when the content of free acid in prefabricated material
When 0.90%, 8 parts of atlapulgite acid lowering agents are added in every 100 parts of prefabricated material.
Preferably, above-mentioned atlapulgite acid lowering agent is prepared in the method for atlapulgite, when the content of free acid in prefabricated material
When 1.7%, 15 parts of atlapulgite acid lowering agents are added in every 100 parts of prefabricated material.
Preferably, above-mentioned atlapulgite acid lowering agent is prepared in the method for atlapulgite, when the content of free acid in prefabricated material
When 2.5%, 20 parts of atlapulgite acid lowering agents are added in every 100 parts of prefabricated material.
The ratio that atlapulgite acid lowering agent is added in above-mentioned prefabricated material is prioritization scheme, adds atlapulgite in actual production
The ratio of acid lowering agent, need according to free acid content in every batch of heterogeneity atlapulgite acid lowering agent, the prefabricated material of every batch of with
And in atlapulgite finished product depending on the production requirement of free acid content, when the content 0.30% of free acid in prefabricated material, every 100
20 parts of atlapulgite acid lowering agents can also be added in the prefabricated material of part；When the content 2.5% of free acid in prefabricated material, every 100 parts pre-
10 parts of atlapulgite acid lowering agents can also be only added in system material.
The beneficial effects of the present invention are: 1, simplify the conventional wet technological process of production.Use atlapulgite of the invention
The method that acid lowering agent prepares atlapulgite compares conventional wet technique, eliminates the drift in point acid fracturing filter and finished product filters pressing process
Process is washed, process flow is shortened.
2, the Con trolling index of free acid content in the prefabricated material of atlapulgite is improved.In conventional wet technique before powder-grinding process
The prefabricated material of atlapulgite in free acid content it is necessary≤0.30%, and atlapulgite acid lowering agent of the invention prepares atlapulgite
Method in, free acid content is improved to 0.30-2.5% in the prefabricated material of atlapulgite, is reduced and is washed sour water consumption in process early period
Processing and discharge load with sour water.
3, increase yield, improve benefit.The main component of atlapulgite acid lowering agent of the invention and atlapulgite finished product
Ingredient is similar, adds atlapulgite acid lowering agent not only without influence on the product quality of atlapulgite, but also directly increase life
Yield is produced, the performance of enterprises is improved.
4, easy to operate, save the cost.Atlapulgite acid lowering agent of the invention prepares the method for atlapulgite compared to tradition
Wet process technique is simpler, easily controllable, easy to operate, convenient for management, alleviates labor intensity of workers, saves manpower
Cost；On the other hand industrial water, electricity consumption is greatly reduced, reduces sour water improvement and outlet load, reduces sour water and control
Reason cost has saved charges for disposing pollutants, has good environmental benefit.
5, deacidification significant effect, strict control finished product free acid index.It is confirmed by many experiments and practice, by using
The content of free acid in the prefabricated material of atlapulgite can be greatly reduced in atlapulgite acid lowering agent.Although the work of heterogeneity proportion
Property carclazyte acid lowering agent had differences in deacidification effect, but its deacidification effect is highly significant and apparent.By preferably at
The atlapulgite acid lowering agent of distribution ratio can arrive the prefabricated material deacidification of atlapulgite that free acid content is 0.30-2.5% completely
Free acid content≤0.3% in finished product.And the additional amount of atlapulgite acid lowering agent is according in the prefabricated material of atlapulgite measured
Depending on the content of free acid, free acid norm controlling in atlapulgite finished product can be made to produce to relatively accurate numerical value, product is not
National standard range is only complied fully with, and is even more that can achieve the requirement and standard that client specifies.
Specific embodiment
Understand to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is described further.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, is not limited to this hair
It is bright.
Embodiment 1.
The first atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2Content 36.12%, Al2O3
Content 19.26%, Fe2O3Content 8.58%, content of MgO 9.86%, CaO content 10.26%, K2O content 4.0%, TiO2Content 1.2%,
Na2O content 7.65%, other impurity 3.07%, pH value 7.2.
The preparation method of the first atlapulgite acid lowering agent, includes the following steps:
Step 1: raw material is chosen, and 90 parts of grey attapulgites, 5 parts of bentonites, 3 parts of kaolinites, 1 part of illite and 1 part of stone are chosen
English is basic raw material, and particulate material is made；
Step 2: grey attapulgite, bentonite, kaolinite, illite and quartz in step 1 are mixed for raw material mixing
It is formed uniformly mixture A；
Step 3: 3 part 38% of hydrochloric acid of the mixture A in step 2 and 15 parts of water are carried out room temperature acidification by acidification
Formed mixture B, acidificatoin time 72 hours；
Step 4: 2 parts of calcium hydroxides and 2 parts of sodium hydroxides are added in the mixture B into step 3 for basification, add water mixed
Conjunction stirs evenly to form mixture C, and mixture C water content is 16%；
Step 5: brilliant beam dissociation is squeezed 5 times with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture D；
Step 6: the mixture D in step 5 is sent into roaster and roasted 60 minutes, 300 DEG C of temperature, formed mixed by drying roasting
Close material E；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture E, percent of pass 90% forms final finished.
It is using the method that the first atlapulgite acid lowering agent prepares atlapulgite；First by clay pit through ore dressing, activation,
The prefabricated material that free acid content is 0.30-2.5% is made after filters pressing, drying, then atlapulgite acid lowering agent is added in prefabricated material
8 hours are stood after grinding and can be made into finished product, according to the content 0.30-2.5% of free acid in prefabricated material, every 100 parts of prefabricated material
1-20 parts of atlapulgite acid lowering agents of middle addition.
Atlapulgite finished product is made after the prefabricated material of different free acid contents is added in the first atlapulgite acid lowering agent,
Deacidification effect such as following table.
Embodiment 2.
Second of atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2Content 59.62%, Al2O3
Content 14.53%, Fe2O3Content 2.82%, content of MgO 9.17%, CaO content 5.26%, K2O content 0.17%, TiO2Content
2.39%, Na2O content 4.45%, other impurity 1.59%, pH value 8.4.
The preparation method of second of atlapulgite acid lowering agent, includes the following steps:
Step 1: raw material is chosen, and it is white to choose 90 parts of celadon attapulgites, 5 parts of bentonites, 2 parts of kaolinites, 2 parts of quartz and 1 part
Marble is basic raw material, and particulate material is made；
Step 2: celadon attapulgite, bentonite, kaolinite, quartz and dolomite in step 1 are mixed and are stirred by raw material mixing
It mixes and is formed uniformly mixture A；
Step 3: 5 part 36% of hydrochloric acid of the mixture A in step 2 and 15 parts of water are carried out room temperature acidification by acidification
Formed mixture B, acidificatoin time 80 hours；
Step 4: 3 parts of magnesium hydroxides are added in the mixture B into step 3, water is added to be mixed evenly to be formed for basification
Mixture C, mixture C water content are 10%；
Step 5: brilliant beam dissociation is squeezed 5 times with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture D；
Step 6: the mixture D in step 5 is sent into roaster and roasted 60 minutes, 500 DEG C of temperature, formed mixed by drying roasting
Close material E；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture E, percent of pass 95% forms final finished.
It is using the method that second of atlapulgite acid lowering agent prepares atlapulgite；First by clay pit through ore dressing, activation,
The prefabricated material that free acid content is 0.30-2.5% is made after filters pressing, drying, then atlapulgite acid lowering agent is added in prefabricated material
8 hours are stood after grinding and can be made into finished product, according to the content 0.30-2.5% of free acid in prefabricated material, every 100 parts of prefabricated material
1-20 parts of atlapulgite acid lowering agents of middle addition.
Atlapulgite finished product is made after the prefabricated material of different free acid contents is added in second of atlapulgite acid lowering agent,
Deacidification effect such as following table.
Embodiment 3.
Third atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2Content 47.62%, Al2O3Contain
Measure 9.53%, Fe2O3Content 0.82%, content of MgO 9.17%, CaO content 4.26%, K2O content 0.19%, TiO2Content 2.64%,
Na2O content 3.45%, other impurity 22.32%, pH value 7.6.
The preparation method of the third atlapulgite acid lowering agent, includes the following steps:
Step 1: raw material is chosen, and chooses 90 parts of canescence attapulgites, 5 parts of bentonites, 3 parts of kaolinites, 1 part of quartz and 1 part long
Stone is basic raw material, and particulate material is made；
Step 2: canescence attapulgite, bentonite, kaolinite, quartz and feldspar in step 1 are mixed for raw material mixing
It is formed uniformly mixture A；
Step 3: acidification carries out 10 part 37% of hydrochloric acid of the mixture A in step 2 and 15 parts of water at room temperature acidification
It manages and forms mixture B, acidificatoin time 75 hours；
Step 4: 5 parts of calcium hydroxides are added in the mixture B into step 3, water is added to be mixed evenly to be formed for basification
Mixture C, mixture C water content are 20%；
Step 5: brilliant beam dissociation is squeezed 2 times with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture D；
Step 6: drying, and the mixture D in step 5 is dried, moisture content 11.8；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture D, percent of pass 90% forms final finished.
It is using the method that the third atlapulgite acid lowering agent prepares atlapulgite；First by clay pit through ore dressing, activation,
The prefabricated material that free acid content is 0.30-2.5% is made after filters pressing, drying, then atlapulgite acid lowering agent is added in prefabricated material
8 hours are stood after grinding and can be made into finished product, according to the content 0.30-2.5% of free acid in prefabricated material, every 100 parts of prefabricated material
1-20 parts of atlapulgite acid lowering agents of middle addition.
Atlapulgite finished product is made after the prefabricated material of different free acid contents is added in the third atlapulgite acid lowering agent,
Deacidification effect such as following table.
Embodiment 4.
4th atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2Content 48.4%, Al2O3Contain
Measure 7.54%, Fe2O3Content 6.09%, content of MgO 3.37%, CaO content 6.37%, K2O content 0.18%, TiO2Content 0.08%,
Na2O content 5.75%, other impurity 22.22%, pH value 8.
The preparation method of 4th kind of atlapulgite acid lowering agent, includes the following steps:
Step 1: raw material is chosen, and 90 parts of red attapulgite soil, 5 parts of bentonites, 2 parts of kaolinites, 1 part of quartz and 2 parts of feldspars are chosen
Particulate material is made；
Step 2: raw material mixing red attapulgite soil, bentonite, kaolinite, quartz and feldspar in step 1 is mixed equal
Even formation mixture A；
Step 3: 3 part 98% of sulfuric acid of the mixture A in step 2 and 15 parts of water are carried out room temperature acidification by acidification
Formed mixture B, acidificatoin time 82 hours；
Step 4: 2 parts of sodium hydroxides are added in the mixture B into step 3, water is added to be mixed evenly to be formed for basification
Mixture C, mixture C water content are 15%；
Step 5: brilliant beam dissociation is squeezed 3 times with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture D；
Step 6: drying, and the mixture D in step 5 is dried, moisture content 10.3；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture D, percent of pass 90% forms final finished.
It is using the method that the 4th kind of atlapulgite acid lowering agent prepares atlapulgite；First by clay pit through ore dressing, activation,
The prefabricated material that free acid content is 0.30-2.5% is made after filters pressing, drying, then atlapulgite acid lowering agent is added in prefabricated material
8 hours are stood after grinding and can be made into finished product, according to the content 0.30-2.5% of free acid in prefabricated material, every 100 parts of prefabricated material
1-20 parts of atlapulgite acid lowering agents of middle addition.
Atlapulgite finished product is made after the prefabricated material of different free acid contents is added in 4th kind of atlapulgite acid lowering agent,
Deacidification effect such as following table.
Embodiment 5.
5th atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2Content 57.76%, Al2O3Contain
Measure 7.46%, Fe2O3Content 4.48%, content of MgO 2.59%, CaO content 10.23%, K2O content 1.98%, TiO2Content 0.43%,
Na2O content 1.55%, other impurity 13.52%, pH value 8.7.
The preparation method of 5th kind of atlapulgite acid lowering agent, includes the following steps:
Step 1: raw material is chosen, and chooses 90 parts of celadon attapulgites, 5 parts of bentonites, 5 parts of kaolinites and particulate material is made；
Step 2: raw material mixing, celadon attapulgite, bentonite and kaolinite in step 1 are mixed evenly to be formed it is mixed
Close material A；
Step 3: 5 part 98% of sulfuric acid of the mixture A in step 2 and 15 parts of water are carried out room temperature acidification by acidification
Formed mixture B, acidificatoin time 90 hours；
Step 4: 3 parts of sodium hydroxides are added in the mixture B into step 3, water is added to be mixed evenly to be formed for basification
Mixture C, mixture C water content are 19%；
Step 5: brilliant beam dissociation is squeezed 3 times with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture D；
Step 6: drying, and the mixture D in step 5 is dried, moisture content 10.1；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture D, percent of pass 90% forms final finished.
It is using the method that the 5th kind of atlapulgite acid lowering agent prepares atlapulgite；First by clay pit through ore dressing, activation,
The prefabricated material that free acid content is 0.30-2.5% is made after filters pressing, drying, then atlapulgite acid lowering agent is added in prefabricated material
8 hours are stood after grinding and can be made into finished product, according to the content 0.30-2.5% of free acid in prefabricated material, every 100 parts of prefabricated material
10-20 parts of atlapulgite acid lowering agents of middle addition.
Atlapulgite finished product is made after the prefabricated material of different free acid contents is added in 5th kind of atlapulgite acid lowering agent,
Deacidification effect such as following table.
Embodiment 6.
6th atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2 content 65.77%, Al2O3
Content 8.62%, Fe2O3 content 5.18%, content of MgO 2.99%, CaO content 11.82%, K2O content 2.29%, TiO2 content
0.5%, Na2O content 1.79%, other impurity 1.04%, pH value 9.5.
The preparation method of 6th kind of atlapulgite acid lowering agent, includes the following steps:
Step 1: raw material is chosen, and chooses 90 parts of celadon attapulgites, 5 parts of bentonites, 5 parts of kaolinites and particulate material is made；
Step 2: raw material mixing, celadon attapulgite, bentonite and kaolinite in step 1 are mixed evenly to be formed it is mixed
Close material A；
Step 3: 5 part 98% of sulfuric acid of the mixture A in step 2 and 15 parts of water are carried out room temperature acidification by acidification
Formed mixture B, acidificatoin time 95 hours；
Step 4: 5 parts of sodium hydroxides are added in the mixture B into step 3, water is added to be mixed evenly to be formed for basification
Mixture C, mixture C water content are 20%；
Step 5: brilliant beam dissociation is squeezed 3 times with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture D；
Step 6: the mixture D in step 5 is sent into roaster and roasted 90 minutes, 350 DEG C of temperature, formed mixed by drying roasting
Close material E；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture D, percent of pass 90% forms final finished.
It is using the method that the 6th kind of atlapulgite acid lowering agent prepares atlapulgite；First by clay pit through ore dressing, activation,
The prefabricated material that free acid content is 0.30-2.5% is made after filters pressing, drying, then atlapulgite acid lowering agent is added in prefabricated material
8 hours are stood after grinding and can be made into finished product, according to the content 0.30-2.5% of free acid in prefabricated material, every 100 parts of prefabricated material
1-20 parts of atlapulgite acid lowering agents of middle addition.
Atlapulgite finished product is made after the prefabricated material of different free acid contents is added in 6th kind of atlapulgite acid lowering agent
Effect such as following table.
Due to the mineral such as the attapulgite of different sources, bentonite, kaolinite, illite, quartz, dolomite, feldspar at
Divide different from, producing atlapulgite acid lowering agent ingredient according to the raw material of above-described embodiment, slightly different, but overall all at this
In the protection scope of invention.
The foregoing is merely a kind of preferred embodiments of the invention, are not intended to restrict the invention, all in the present invention
Spirit and principle within any modifications, equivalent replacements, and improvements etc. done, should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of atlapulgite acid lowering agent, by as follows by weight percentage at being grouped as: SiO2Content 36-66%, Al2O3Content
5.0-20%, Fe2O3Content 0.5-12%, content of MgO 0.2-10%, CaO content 0.2-10%, K2O content 0.1-4.0%, TiO2
Content 0.1-15%, Na2O content 0.1-5%, surplus are inevitable impurity, pH value >=7.
2. atlapulgite acid lowering agent according to claim 1, which is characterized in that the SiO2Content 36.12%, Al2O3Contain
Measure 19.26%, Fe2O3Content 8.58%, content of MgO 9.86%, CaO content 10.26%, K2O content 4.0%, TiO2Content 1.2%,
Na2O content 7.65%, other impurity 3.07%, pH value 7.2.
3. atlapulgite acid lowering agent according to claim 1, which is characterized in that SiO2Content 59.62%, Al2O3Content
14.53%, Fe2O3Content 2.82%, content of MgO 9.17%, CaO content 5.26%, K2O content 0.17%, TiO2Content 2.39%, Na2O
Content 4.45%, other impurity 1.59%, pH value 8.4.
4. atlapulgite acid lowering agent according to claim 1, which is characterized in that the SiO2Content 47.62%, Al2O3Contain
Measure 9.53%, Fe2O3Content 0.82%, content of MgO 9.17%, CaO content 4.26%, K2O content 0.19%, TiO2Content 2.64%,
Na2O content 3.45%, other impurity 22.32%, pH value 7.6.
5. atlapulgite acid lowering agent according to claim 1, which is characterized in that the SiO2Content 48.4%, Al2O3Content
7.54%, Fe2O3Content 6.09%, content of MgO 3.37%, CaO content 6.37%, K2O content 0.18%, TiO2Content 0.08%, Na2O
Content 5.75%, other impurity 22.22%, pH value 8.
6. atlapulgite acid lowering agent according to claim 1, which is characterized in that the SiO2Content 57.76%, Al2O3Contain
Measure 7.46%, Fe2O3Content 4.48%, content of MgO 2.59%, CaO content 10.23%, K2O content 1.98%, TiO2Content 0.43%,
Na2O content 1.55%, other impurity 13.52%, pH value 8.7.
7. atlapulgite acid lowering agent according to claim 1, which is characterized in that the SiO2Content 65.77%, Al2O3Contain
Measure 8.62%, Fe2O3Content 5.18%, content of MgO 2.99%, CaO content 11.82%, K2O content 2.29%, TiO2Content 0.5%,
Na2O content 1.79%, other impurity 1.04%, pH value 9.5.
8. atlapulgite acid lowering agent described in -7 according to claim 1, which is characterized in that the moisture content of the atlapulgite acid lowering agent
≤12%。
9. atlapulgite acid lowering agent described in -7 according to claim 1, which is characterized in that the preparation of the atlapulgite acid lowering agent
Method includes the following steps:
Step 1: raw material is chosen, and chooses 90 parts of attapulgites, 5 parts of bentonites and 5 parts of ingredients as basic raw material；
Step 2: raw material mixing is mixed evenly attapulgite, bentonite and ingredient in step 1 to form mixture A；
Step 3: the mixture A in step 2 is carried out room temperature acidification with 1-10 parts of acid and 15 parts of water and is formed by acidification
Mixture B, acidificatoin time >=72 hour；
Step 4: 1-5 parts of alkali is added in the mixture B into step 3 for basification, add water be mixed evenly to be formed it is mixed
Material C is closed, mixture C water content is 10-20%；
Step 5: brilliant beam dissociation is repeatedly extruded with mixture C of the twin rollers to step 4, is carried out brilliant beam and is dissociated to form mixture
D；
Step 6: drying roasting, by step 5 mixture D be sent into roaster roast 30-90 minutes, 300-500 DEG C of temperature,
Form mixture E；
Step 7: grinding finished product: grinding, 200 mesh of fineness are carried out to mixture E, percent of pass >=90% forms final finished.
10. atlapulgite acid lowering agent according to claim 9, which is characterized in that the ingredient in the step 1 is kaolinite
The combination material of one or more of stone, illite, quartz, dolomite, feldspar；In the step 3 with acid be 98% sulfuric acid or
The hydrochloric acid of person 36-38%；It with alkali is sodium hydroxide, calcium hydroxide or magnesium hydroxide in the step 4；To roller in the step 5
It is 2-5 times that machine, which squeezes mixture C,；The step 6 can be used and be dried, mixture E moisture content≤12% after drying.
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