CN113181880A - Diatomite activated carbon for naphthalene removal, desulfurization and decontamination and preparation method thereof - Google Patents
Diatomite activated carbon for naphthalene removal, desulfurization and decontamination and preparation method thereof Download PDFInfo
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- CN113181880A CN113181880A CN202110645119.4A CN202110645119A CN113181880A CN 113181880 A CN113181880 A CN 113181880A CN 202110645119 A CN202110645119 A CN 202110645119A CN 113181880 A CN113181880 A CN 113181880A
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- diatomite
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- activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
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- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a diatomite activated carbon for naphthalene removal, desulfurization and decontamination and a preparation method thereof, and relates to the technical field of naphthalene removal agents for sewage treatment and water treatment for life and formaldehyde adsorption, the method comprises S1, raw material preparation, S2, activated diatomite, S3, mixed wood fiber, S4, calcination, S5, high-pressure gas cleaning and S6 to obtain a finished product, wherein the activated diatomite is obtained by crushing purchased diatomite raw materials through a crushing device, scrubbing the crushed diatomite, carrying out classification purification on the diatomite after scrubbing is finished, improving the purity of the diatomite, and finally activating the diatomite by using ultrasonic vibration to ensure that the fineness of the activated diatomite is 500-mesh and 700-mesh. Compared with the prior naphthalene removing agent, the diatomite activated carbon sewage treatment and domestic water treatment and naphthalene removing agent has shorter production process, can be used for multiple times after production is finished, and has the advantages of low production cost, stable quality, energy conservation, environmental protection, simple processing process, lower cost and repeated use.
Description
Technical Field
The invention relates to the technical field of naphthalene removing agents for sewage treatment and domestic water treatment and formaldehyde adsorption, in particular to diatomite activated carbon for naphthalene removal, desulfurization and decontamination and a preparation method thereof.
Background
Sewage treatment for the sewage to reach the discharge into a certain water body or reuse water quality requirement and carry on the purified process, sewage treatment is widely used in building, agriculture, traffic, energy, petrochemical industry, environmental protection, city landscape, medical treatment, catering, etc. each field, also increasingly come into common people's daily life, according to the sewage source classification, sewage treatment generally divides into production sewage treatment and domestic sewage treatment, production sewage includes industrial sewage, agricultural sewage and medical sewage, etc., and domestic sewage is the sewage that daily life produces, refers to the complex mixture of inorganic substance and organic substance of various forms, including: floating and suspended large and small solid particles; colloidal and gelatinous dispersions; pure solutions, by nature of the water pollution, are of two types: one is natural pollution; the other is artificial pollution, the current water body is greatly harmed by artificial pollution, the water pollution can be mainly divided into three types of chemical pollution, physical pollution and biological pollution according to different polluted impurities, and the pollutants mainly comprise: the method comprises the steps of discharging the untreated industrial wastewater; and the like untreated and discharged domestic sewage; the farmland sewage with a large amount of fertilizer, pesticide and herbicide is used; fourthly, industrial waste and household garbage stacked beside a river are obtained; fifthly, water and soil loss; sixthly, mine sewage.
With the development of science and technology, the direct utilization of sewage becomes possible, the sewage source heat pump system is used for utilizing urban raw sewage, so-called raw sewage directly discharges untreated domestic or industrial wastewater in cities, the utilization method at the present stage is that the raw sewage directly enters the sewage source heat pump system for heat exchange, and the sewage is reused for indoor refrigeration and heating of urban buildings under the condition of consuming a small amount of electric power, and the technical difficulties are overcome: blockage, corrosion and heat exchange efficiency, a large amount of carbon monoxide generated in the production and discharge processes of a coal coke plant and a thermal power plant, domestic water source pollution and the like; the requirement on the emission of harmful substances is higher and higher, a great deal of research is carried out in China on the aspect of treating sulfur dioxide, naphthalene and heavy metal adsorption, the main products are coal-based activated carbon and wood-based activated carbon, the method has high cost, high energy consumption and no environmental protection in the production process, and how to open the pores of the diatomite, the problems that harmful substances in the gas are adsorbed by utilizing the porosity of the diatomite, impurities and important metals in the domestic water are adsorbed, and sulfur, naphthalene and heavy metals in the water are adsorbed in the gas are urgently needed to be solved, therefore, the invention aims to provide the naphthalene removing agent for sewage treatment and domestic water treatment, which has the advantages of low production cost, stable quality, energy conservation, environmental protection and excellent property.
Disclosure of Invention
The invention aims to make up the defects of the prior art, provides the diatomite activated carbon for naphthalene removal, desulfurization and decontamination and the preparation method thereof, has the advantages of low production cost, stable quality, energy conservation, environmental protection, excellent properties of the naphthalene removal agent for sewage treatment and domestic water treatment, and solves the problems of high cost, high energy consumption and no environmental protection in the production process.
In order to solve the technical problems, the invention provides the following technical scheme: the diatomite activated carbon for naphthalene removal, desulfurization and decontamination comprises 95-65 parts by weight of activated diatomite and 5-35 parts by weight of mixed wood fiber.
Further, the activated diatomite and the mixed wood fiber are contained, wherein the activated diatomite is 85 parts by weight, and the mixed wood fiber is 15 parts by weight.
A method of making diatomaceous earth activated carbon, comprising:
s1, taking 85 parts by weight of activated diatomite and 15 parts by weight of mixed wood fiber;
s2, calcining;
s3, high-pressure gas cleaning;
and S4, finishing.
Further, the activated diatomite is obtained by crushing purchased diatomite raw materials through a crushing device, scrubbing the crushed diatomite, performing graded purification on the diatomite after scrubbing is completed, improving the purity of the diatomite, and finally activating the diatomite by using ultrasonic vibration to enable the fineness of the activated diatomite to be 500-mesh and 700-mesh.
Further, the wood fiber is mixed, the activated diatomite is placed inside the mixing equipment, the wood fiber is added, the activated diatomite is mixed with the wood fiber, and the mass percent of the wood fiber is 5% -35%.
Further, the calcination step includes calcining the mixed activated diatomite through a calcination device to enable wood fibers to support combustion of the diatomite and remove organic matters and water in the diatomite, and calcining the diatomite at 600 ℃ through a high-medium frequency furnace for 60 minutes.
Further, the high-pressure gas is used for cleaning, and the calcined diatomite is blown by the high-pressure gas, so that the nanometer micropores in the diatomite are opened.
Further, the finished product is obtained by taking out the cleaned diatomite and is packaged and sealed according to requirements so as to be convenient for transportation.
Compared with the prior art, the diatomite activated carbon sewage treatment and domestic water treatment agent has the following beneficial effects:
1. compared with the prior naphthalene removing agent, the production process is shorter, and the naphthalene removing agent can be used for multiple times after production is finished, so that the naphthalene removing agent has the advantages of low production cost, stable quality, energy conservation, environmental protection, excellent property, simple processing process, lower cost and repeated use.
Drawings
FIG. 1 is a flow chart of the management method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
the diatomite activated carbon for naphthalene removal, desulfurization and decontamination comprises 95-65 parts by weight of activated diatomite and 5-35 parts by weight of mixed wood fiber.
Further, the activated diatomite and the mixed wood fiber are contained, wherein the activated diatomite is 85 parts by weight, and the mixed wood fiber is 15 parts by weight.
A process for preparing diatomite activated carbon comprises
S1, taking 85 parts by weight of activated diatomite and 15 parts by weight of mixed wood fiber;
s2, calcining;
s3, high-pressure gas cleaning;
and S4, finishing.
Further, the activated diatomite is obtained by crushing purchased diatomite raw materials through a crushing device, scrubbing the crushed diatomite, classifying and purifying the diatomite after scrubbing is completed, improving the purity of the diatomite, and finally activating the diatomite by using ultrasonic vibration to enable the fineness of the activated diatomite to be 600 meshes.
Further, the wood fiber is mixed, activated diatomite is placed inside the mixing equipment, the wood fiber is added, the activated diatomite is mixed with the wood fiber, and the mass percentage of the wood fiber is 5% -35%.
Further, the calcination step includes calcining the mixed activated diatomite through a calcination device to enable wood fibers to support combustion of the diatomite and remove organic matters and water in the diatomite, and calcining the diatomite at 600 ℃ through a high-medium frequency furnace for 60 minutes.
Further, the high-pressure gas is used for cleaning, and the calcined diatomite is blown by the high-pressure gas, so that the nanometer micropores in the diatomite are opened.
Further, the finished product is obtained by taking out the cleaned diatomite and is packaged and sealed according to requirements.
In the description of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A diatomaceous earth activated carbon for naphthalene removal, desulfurization and decontamination, characterized by: comprises 95-65 parts of activated diatomite and 5-35 parts of mixed wood fiber.
2. The diatomaceous earth activated carbon for naphthalene removal, sulfur removal, and decontamination, as claimed in claim 1, wherein: comprises 85 parts of activated diatomite and 15 parts of mixed wood fiber.
3. A method for preparing diatomite activated carbon is characterized by comprising the following steps: comprises that
S1, taking 85 parts by weight of activated diatomite and 15 parts by weight of mixed wood fiber;
s2, calcining;
s3, high-pressure gas cleaning;
and S4, finishing.
4. The method for preparing the diatomite activated carbon for naphthalene removal, sulfur removal and decontamination according to claim 3, wherein: the activated diatomite is obtained by crushing purchased diatomite raw materials through a crushing device, scrubbing the crushed diatomite, purifying the diatomite in a grading mode after scrubbing is completed, improving the purity of the diatomite, and finally activating the diatomite through ultrasonic vibration to enable the fineness of the activated diatomite to be 500-700 meshes.
5. The method for preparing the diatomite activated carbon for naphthalene removal, sulfur removal and decontamination according to claim 4, wherein: the wood fiber is mixed, activated diatomite is placed inside a mixing device, wood fiber is added, the activated diatomite and the wood fiber are mixed, and the mass percent of the wood fiber is 5% -35%.
6. The method for preparing the diatomite activated carbon for naphthalene removal, sulfur removal and decontamination according to claim 5, wherein: and in the calcining step, the mixed activated diatomite is calcined through calcining equipment, so that wood fibers can support combustion of the diatomite, organic matters and water in the diatomite are removed, and the diatomite is calcined at 600 ℃ through a high-medium frequency furnace for 60 minutes.
7. The method for preparing the diatomite activated carbon for naphthalene removal, sulfur removal and decontamination according to claim 6, wherein: and (3) cleaning by using high-pressure gas, and blowing the calcined diatomite by using the high-pressure gas so as to open the nano micropores in the diatomite.
8. The method for preparing the diatomite activated carbon for naphthalene removal, sulfur removal and decontamination according to claim 1, wherein: and taking out the cleaned diatomite to obtain a finished product, and packaging and sealing the finished product according to requirements so as to facilitate transportation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110645119.4A CN113181880A (en) | 2021-06-09 | 2021-06-09 | Diatomite activated carbon for naphthalene removal, desulfurization and decontamination and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110645119.4A CN113181880A (en) | 2021-06-09 | 2021-06-09 | Diatomite activated carbon for naphthalene removal, desulfurization and decontamination and preparation method thereof |
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| CN113181880A true CN113181880A (en) | 2021-07-30 |
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