CN102942229A - Preparation method of mineral water purifying agent - Google Patents
Preparation method of mineral water purifying agent Download PDFInfo
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- CN102942229A CN102942229A CN2012104428688A CN201210442868A CN102942229A CN 102942229 A CN102942229 A CN 102942229A CN 2012104428688 A CN2012104428688 A CN 2012104428688A CN 201210442868 A CN201210442868 A CN 201210442868A CN 102942229 A CN102942229 A CN 102942229A
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Abstract
The invention relates to a preparation method of a mineral water purifying agent, belonging to the technical field of water treatment. The mineral water purifying agent is prepared successively through five steps, i.e. crushing and screening of natural zeolite ores, high-temperature roasting treatment, aluminum treatment, acid treatment and hydrophobic treatment by using the natural zeolite ores as raw materials. The mineral water purifying agent prepared by adopting the method is a filter material and the quality of flowing water reaches purified water quality under the filtration effect of the purifying agent. The mineral water purifying agent is mainly used for purification of supply water, including domestic water, industrial water, aquaculture water, agricultural water and the like, and can also be used for wastewater treatment for water reuse. The absorption-exchange capacity of calcium per gram mineral water purifying agent is more than 200mg/g and the comprehensive adsorption-exchange capacity is more than 350mg/g; and the mineral water purifying agent additionally has the functions of disinfection, deodorizing, organic matter degradation and the like.
Description
Technical field
The present invention relates to water-treatment technology field, especially relate to a kind of preparation method of mineral substance water quality scavenging agent.
Background technology
Natural zeolite is used for purification of water quality, in the existing nearly 30 years history of the developed countries such as the U.S., Japan.Since the eighties in 20th century, China also has some scientific workers to carry out the experimental study of this respect, but not yet sees detailed report as when participating in the cintest practicality.Can water-purifying material can be made in the zeolite ore deposit, and many experts know already, and really become the product of social utility, and its key is the technology level of processing to zeolite.This raw mineral materials has three property: adsorptivity, ion exchangeable and chemical conversion, the technology level of processing is high, zeolite can become water quality purification material of high quality and at a reasonable price, its loading capacity surpasses gac, loading capacity is also not second to ion exchange resin, but also possesses many special water purifying functions.Therefore, be exactly the key problem in technology that manufactures a product to the deep processing method of zeolite, also be the most important factor of weighing product technology content.Investigator both domestic and external from " the technical matters method " of different approach discussion processing ores, is kept absolutely secret to this.As far as is known, domestic research work is so far still without important breakthrough.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, proposes a kind of mineral substance water quality scavenging agent, and this invention through the technical process of four sections processing, makes mineral substance water quality scavenging agent (NMAWP) take natural zeolite as raw material.Described every gram scavenging agent comprehensively adsorbs exchange capacity and has reached＞350mg/g the absorption exchange capacity＞200mg/g of calcium; Described mineral substance water quality scavenging agent also has the functions such as sterilization, deodorizing, degradation of organic substances.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of preparation method of mineral substance water quality scavenging agent is characterized in that, comprises the steps:
The pre-treatment of A, natural zeolite: mining contain the ore of amount of zeolite more than 70%, after the machined fragmentation, sieve out particle diameter 10 ~ 50 purpose ores in sand form;
B, high-temperature roasting are processed: the ore in sand form of gained in the described steps A is carried out high-temperature roasting;
C, aluminium are processed: the ore in sand form after the pyroprocessing among the described step B is carried out aluminium process;
D, acid treatment: the ore in sand form of gained among the described step C is carried out acid treatment;
E, hydrophobic treatment: the ore in sand form of gained among the described step D is cleaned, dries and sprays hydrophobizing agent and process, namely get the mineral substance water quality scavenging agent.
Preferably, the preferred mordenite of described natural zeolite and clinoptilolite.
Preferably, described high-temperature roasting total time is 80 ~ 100 minutes, comprises heat up section, constant temperature zone and three time periods of temperature descending section; Described constant temperature zone constant temperature time 30 ~ 40 minutes, temperature are 400 ~ 550 ℃; Described temperature descending section ore in sand form tapping temperature is 150 ~ 250 ℃.
Further, the high-temperature roasting furnace of described high-temperature roasting use adopts aluminabased material.
Preferably, described aluminium is processed and is comprised the steps: the ore in sand form after the pyroprocessing among the described step B, and put in the container that mass concentration 4 ~ 8% aluminum salt solutions are housed, the weight of solution is 1/4 of ore in sand form weight, the hot dipping 40 ~ 60 minutes in described container of described ore in sand form.
Further, the container of described ore in sand form hot dipping adopts aluminum products or Stainless Steel Products.
Preferably, described acid treatment comprises the steps:
A, the wet ore in sand form after described aluminium processed are put in the stoving oven and are toasted, and the total time that is fed to discharging is 40 ~ 60 minutes, 20 ~ 30 minutes constant temperature zone time, 200 ~ 300 ℃ of temperature;
B, with the hot ore in sand form of coming out of the stove among the described step a, drop in the acid solution and soak;
C, with impregnated ore in sand form among the described step b, embathe with clear water.
Further, it is 8 ~ 12% acid that mass concentration is selected in the acid in the described acid treatment, and the described acid treatment time is 100 ~ 120 minutes.
Preferably, described hydrophobic treatment comprises the steps:
A, with the wet ore in sand form that carries out among the described step D after the acid treatment, with drying plant oven dry, drying time 30 ~ 50 minutes, 150 ~ 200 ℃ of temperature;
B, the ore in sand form after the oven dry among the described step a is transported in the hydrophobizing agent flusher, sprays hydrophobizing agent.
Further, described hydrophobizing agent is the mixture of cationoid hydroxyl silicon oil emulsion and containing hydrogen silicone oil emulsion, and hydroxyl and hydrogen base mass ratio are 7:3.
The invention has the beneficial effects as follows:
1, the mineral substance water quality scavenging agent is mainly used in feedwater (water supply) purification, comprises the purification of life, industry, fishery, livestock industry and agricultural water, but emphasis is to make high-purity high-quality Drinking Water;
2, it is longer that the mineral substance water quality scavenging agent is used the cycle, and the regeneration multiplexing number is more than 5 times of gac or ion exchange resin, and the effect of reconstituted product is still not to bate a jot of one's demands;
3, the mineral substance water quality scavenging agent can be controlled degree of purification and demanding criteria by specific treatment process for the water quality requirement that varies of each department; The price of mineral substance water quality scavenging agent is not higher than 1/4th of the half price of water treatment gac and ion exchange resin price.
4, the long-term regeneration of mineral substance water quality scavenging agent is left over ore in sand form after multiplexing, but also grinding becomes the solid material of waste water control agent, can not stay any pollutent.
Description of drawings
Fig. 1 is the mineral substance water quality scavenging agent process flow sheet for preparing in the embodiment of the invention.
Fig. 2 is that the mineral substance water quality scavenging agent of the embodiment of the invention 1 ~ 6 preparation is with the variation calcium ion absorption exchange capacity variation diagram of maturing temperature.
Fig. 3 is that the mineral substance water quality scavenging agent of the embodiment of the invention 1,7,8,9 and 10 preparations changes calcium ion absorption exchange capacity variation diagram with the aluminum sulfate salt concentration of polymer solution.
Fig. 4 is that the mineral substance water quality scavenging agent of the embodiment of the invention 1,11,12,13 and 14 preparations changes absorption calcium variation comparison diagram with h 2 so 4 concentration.
Fig. 5 is that the mineral substance water quality scavenging agent filtration of most preferred embodiment 3 preparations of the present invention contains ammonia nitrogen (NH
3-N) time and its absorption exchange capacity variation relation figure of solution.
Embodiment
Example of the present invention is can not limit the present invention to explanation of the present invention, in the implication suitable with the present invention and any change and the adjustment in the scope, all should think within the scope of the invention.
The present invention will be further described below in conjunction with embodiment.
Referring to Fig. 1, a kind of preparation method of mineral substance water quality scavenging agent, its concrete technology step is:
The pre-treatment of A, natural zeolite: mining contain the ore of amount of zeolite more than 70%, after the machined fragmentation, sieve out particle diameter 10 ~ 50 purpose ores in sand form, as the raw material of making water quality cleansing agent.
Described natural zeolite is the zeolite ore deposit that take in the field, and the content of general requirement zeolite is more high better, preferred clinoptilolite and mordenite.
B, high-temperature roasting are processed: the ore in sand form of gained in the described step 1 is carried out high-temperature roasting;
Described high-temperature roasting total time is 80 ~ 100 minutes, comprise heat up section, constant temperature zone and three time periods of temperature descending section, described constant temperature zone constant temperature time 30 ~ 40 minutes, temperature is 400 ℃, the ore in sand form tapping temperature of described temperature descending section is 150 ~ 250 ℃, and all ore in sand form will be heated as far as possible equably.The used high-temperature roasting furnace of described high-temperature roasting must adopt aluminabased material.
After the constant temperature time, in time outage enters cooling period; Under the condition that fire door closes, lowered the temperature 15 minutes, then with the crack very little crack of fire door, As time goes on, strengthen gradually the slit of fire door, so that ore in sand form is accelerated the speed of cooling.When temperature was down to 250 ℃, ore in sand form had just been come out of the stove; After taking out ore in sand form, closed furnace door remains the temperature of furnace as far as possible.
C, aluminium are processed: the ore in sand form after the pyroprocessing in the described step 2 is carried out aluminium process;
The step that described aluminium is processed is with the ore in sand form after the pyroprocessing in the described step 2, in time puts in the container that mass concentration 4% alum liquor is housed, and the weight of solution is 1/4 of ore in sand form weight; Under the condition of container covered and enclosed, ore in sand form hot dipping 40 ~ 60 minutes in container.
Described aluminium salt comprises Tai-Ace S 150, aluminum chloride or aluminum nitrate, preferably sulfuric acid aluminium; The container of described heat soaking must adopt aluminum products or Stainless Steel Products, must guard against the use common iron.Flood and substantially do not have alum liquor in the cooled ore in sand form, but ore in sand form is moistening.
D, acid treatment: the ore in sand form of gained in the described step 3 is carried out acid treatment;
Described acid treatment comprises the steps:
A, the wet ore in sand form after described aluminium processed are put in the stoving oven and are toasted, and the total time that is fed to discharging is 40 ~ 60 minutes, 20 ~ 30 minutes constant temperature zone time, 200 ~ 300 ℃ of temperature;
B, with the hot ore in sand form of coming out of the stove among the described step a, dropping into mass concentration is in 10% sulphuric acid soln, soaks under the condition of closing flaps;
C, with impregnated ore in sand form among the described step b, embathe with clear water, residual sulfuric acid is washed off.
Described acid can be sulfuric acid, hydrochloric acid or nitric acid, preferably sulfuric acid; The acid soak container must be acid resisting material, such as aluminium alloy, stainless steel, plastic plate etc.; Described sulfuric acid liquid level will cover described ore in sand form surface, and described sulfuric acid soak time is 120 minutes; Then emit sulphuric acid soln, flow in the sulfuric acid pool specialized, in order to again utilizing.
E, hydrophobic treatment: the ore in sand form of gained among the described step D is cleaned, and hydrophobic treatment is carried out in oven dry, namely gets described mineral substance water quality scavenging agent; Described hydrophobic treatment comprises the steps:
Step a: the wet ore in sand form with carrying out in the described step 4 after the acid treatment makes it to become dry sand with drying plant, drying time 30 ~ 50 minutes, 150 ~ 200 ℃ of temperature.
Step b: the hot ore in sand form after the described step a oven dry is transported in the hydrophobizing agent flusher immediately, with the atomizing of sanitation-grade hydrophobizing agent be sprayed at equably on the ore in sand form, make on the mineral crystal He on the wall of intracrystalline space and all form one deck hydrophobic film, the jail is attached and do not come off.
Described hydrophobizing agent is the mixture of cationoid hydroxyl silicon oil emulsion and containing hydrogen silicone oil emulsion, and the mass ratio of described cationoid hydroxyl silicon oil emulsion and containing hydrogen silicone oil emulsion is 7:3; The viscosity of described cationoid hydroxyl silicon oil emulsion and containing hydrogen silicone oil emulsion is 10 ~ 20PaS, concentration is 10 ~ 15%.
Mix the silicon breast to described two kinds, 25 ~ 30 times of dilute with waters are the hydrophobizing agent of practical application; Mixing silicon breast after the dilution is sprayed on the ore in sand form of 150 ℃ of high temperature, moisture evaporation, silicone oil adheres to the internal pore of ore in sand form and outside surface and forms one deck silicone oil film.Moisture just is difficult to enter in the mineral during practical application, and ore in sand form does not absorb water or lack suction, increase the absorption exchange capacity to pollutent to reach.
Spray the amount of hydrophobizing agent, generally be no more than 10% of ore in sand form weight, reach every ore in sand form as far as possible and can both be drawn onto hydrophobizing agent, but adsorptive capacity again can not be excessive, can affect effect because the thin film layer that forms is too thick.
Steam trap connection can be designed to the cylinder of certain altitude, on quantitative lower funnel is arranged, several atomizing lances are up installed in the bottom.Hydrophobic spray film contacts with each ore in sand form in cylinder equably, and mineral outside surface and crystal space wall all form one deck hydrophobic film.Through above-mentioned processing, namely obtain described mineral substance water quality scavenging agent.
Its colourity of tap water after this mineral substance water quality scavenging agent is processed, opacity, total plate count, amount of total colibacillus, heavy metal content etc. can reach national drinking water standard GB5749-2006.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 425 ℃.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 475 ℃.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 500 ℃.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 550 ℃.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 2% among the described step C.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 3% among the described step C.
Embodiment 9
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 5% among the described step C.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 6% among the described step C.
Embodiment 11
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 4% among the described step C; H 2 so 4 concentration is 8% among the described step D.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 4% among the described step C; H 2 so 4 concentration is 9% among the described step D.
Embodiment 13
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 4% among the described step C; H 2 so 4 concentration is 11% among the described step D.
Identical with embodiment 1, difference is:
High-temperature roasting is processed among the described step B, and the constant temperature zone temperature is 450 ℃; The aluminum sulfate salt concentration of polymer solution is 4% among the described step C; H 2 so 4 concentration is 12% among the described step D.
Embodiment 15
Such as Fig. 2, Fig. 3 and shown in Figure 4, high-temperature roasting processing among the step B described in the embodiment 3, the constant temperature zone temperature is 450 ℃, the aluminum sulfate salt concentration of polymer solution is 4% among the described step C, when h 2 so 4 concentration is 10% among the described step D, prepared mineral substance water quality scavenging agent calcium ion absorption switching performance is best, and embodiment 3 is most preferred embodiment.Prepare gained mineral substance water quality scavenging agent with this most preferred embodiment, measure the ammonia nitrogen absorption exchange capacity, draw described mineral substance water quality scavenging agent filtration and contain ammonia nitrogen (NH
3-N) time and its absorption exchange capacity variation relation figure of solution, as shown in Figure 5.
Concrete determination experiment step is:
1, artificial obtain solution contains ammonia nitrogen (NH
3-N) solution.
2, described mineral substance water quality scavenging agent is packed in the hollow plastic tube, contain ammonia nitrogen (NH
3-N) solution from an end enter, the other end out, solution reaches filteration by described mineral substance water quality scavenging agent.
3, the total length of plastics tubing is 3.5m, internal diameter 0.15m, and filling described mineral substance water quality purification dosage is 74kg, described mineral substance water quality scavenging agent granularity 0.3-2mm.
4, total filtration time was 388 hours, got a sample every 20 hours, with nessler reagent photometry NH
3The content of-N.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the preparation method of a mineral substance water quality scavenging agent is characterized in that, comprises the steps:
The pre-treatment of A, natural zeolite: mining contain the ore of amount of zeolite more than 70%, after the machined fragmentation, sieve out particle diameter 10 ~ 50 purpose ores in sand form;
B, high-temperature roasting are processed: the ore in sand form of gained in the described steps A is carried out high-temperature roasting;
C, aluminium are processed: the ore in sand form after the pyroprocessing among the described step B is carried out aluminium process;
D, acid treatment: the ore in sand form of gained among the described step C is carried out acid treatment;
E, hydrophobic treatment: the ore in sand form of gained among the described step D is cleaned, dries and sprays hydrophobizing agent and process, namely get the mineral substance water quality scavenging agent.
2. mineral substance water quality scavenging agent according to claim 1 is characterized in that: the preferred mordenite of described natural zeolite and clinoptilolite.
3. mineral substance water quality scavenging agent according to claim 1, it is characterized in that: described high-temperature roasting total time is 80 ~ 100 minutes, comprises heat up section, constant temperature zone and three time periods of temperature descending section; Described constant temperature zone constant temperature time 30 ~ 40 minutes, temperature are 400 ~ 550 ℃; Described temperature descending section ore in sand form tapping temperature is 150 ~ 250 ℃.
4. mineral substance water quality scavenging agent according to claim 3 is characterized in that: the high-temperature roasting furnace employing aluminabased material that described high-temperature roasting is used.
5. mineral substance water quality scavenging agent according to claim 1, it is characterized in that: described aluminium is processed and is comprised the steps: the ore in sand form after the pyroprocessing among the described step B, put in the container that mass concentration 4 ~ 8% aluminum salt solutions are housed, the weight of solution is 1/4 of ore in sand form weight, the hot dipping 40 ~ 60 minutes in described container of described ore in sand form.
6. mineral substance water quality scavenging agent according to claim 5 is characterized in that: container employing aluminum products or the Stainless Steel Products of described ore in sand form hot dipping.
7. mineral substance water quality scavenging agent according to claim 1, it is characterized in that: described acid treatment comprises the steps:
A, the wet ore in sand form after described aluminium processed are put in the stoving oven and are toasted, and the total time that is fed to discharging is 40 ~ 60 minutes, 20 ~ 30 minutes constant temperature zone time, 200 ~ 300 ℃ of temperature;
B, with the hot ore in sand form of coming out of the stove among the described step a, drop in the acid solution and soak;
C, with impregnated ore in sand form among the described step b, embathe with clear water.
8. mineral substance water quality scavenging agent according to claim 7 is characterized in that: it is 8 ~ 12% acid that mass concentration is selected in the acid in the described acid treatment, and the described acid treatment time is 100 ~ 120 minutes.
9. mineral substance water quality scavenging agent according to claim 1 is characterized in that, described hydrophobic treatment comprises the steps:
A, with the wet ore in sand form that carries out among the described step D after the acid treatment, with drying plant oven dry, drying time 30 ~ 50 minutes, 150 ~ 200 ℃ of temperature;
B, the ore in sand form after the oven dry among the described step a is transported in the hydrophobizing agent flusher, sprays hydrophobizing agent.
10. mineral substance water quality scavenging agent according to claim 9, it is characterized in that: described hydrophobizing agent is the mixture of cationoid hydroxyl silicon oil emulsion and containing hydrogen silicone oil emulsion, hydroxyl and hydrogen base mass ratio are 7:3.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289479A (en) * | 2014-05-28 | 2016-02-03 | 古菊云 | Mineral purification agent for purifying water and preparation method therefor |
| CN112028164A (en) * | 2020-08-25 | 2020-12-04 | 广西桂林新大桂工环境科技中心(有限合伙) | Preparation method of zeolite liquid for sewage treatment |
| CN115569633A (en) * | 2022-10-10 | 2023-01-06 | 上海火运材料科技有限公司 | Environmental management method and management equipment thereof |
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| CN1393401A (en) * | 2001-07-04 | 2003-01-29 | 北京运衡兴源科技发展有限公司 | Modified zeolite and its preparing process, application and regeneration |
| CN102145239A (en) * | 2011-02-14 | 2011-08-10 | 天润绿业（北京）环保技术有限公司 | Preparation method of zeolite filter material for water purification |
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2012
- 2012-11-07 CN CN2012104428688A patent/CN102942229A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393401A (en) * | 2001-07-04 | 2003-01-29 | 北京运衡兴源科技发展有限公司 | Modified zeolite and its preparing process, application and regeneration |
| CN102145239A (en) * | 2011-02-14 | 2011-08-10 | 天润绿业（北京）环保技术有限公司 | Preparation method of zeolite filter material for water purification |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289479A (en) * | 2014-05-28 | 2016-02-03 | 古菊云 | Mineral purification agent for purifying water and preparation method therefor |
| CN112028164A (en) * | 2020-08-25 | 2020-12-04 | 广西桂林新大桂工环境科技中心(有限合伙) | Preparation method of zeolite liquid for sewage treatment |
| CN115569633A (en) * | 2022-10-10 | 2023-01-06 | 上海火运材料科技有限公司 | Environmental management method and management equipment thereof |
| CN115569633B (en) * | 2022-10-10 | 2023-10-20 | 上海火运材料科技有限公司 | Environment treatment method and treatment equipment thereof |
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Application publication date: 20130227 |