KR101994042B1 - A roadway block including a complex effective microorganism removing nitrogen compounds having a function of purifying permeated rainwater and reducing downtown fine dust and a method for manufacturing the same - Google Patents

Abstract

The present invention relates to a paving block functioning to reduce urban fine dust and purify rainwater by containing complex effective microorganisms for removing a nitrogen compound and a manufacturing method thereof and, more specifically, to a paving block capable of enhancing rainwater purification and urban fine dust reduction, and a manufacturing method thereof. Complex effective microorganisms for removing a nitrogen compound are formed by adding at least one among water, polycarboxylic acid, an aluminum sulfate solution, a microorganism low-molecular strain, a microorganism high-molecular strain and a microorganism denitrification strain to a base material, which is formed by mixing 70-88 wt% of dolomite or stone flour with 10-20 wt% of OPC, 1-5 wt% of calcium sulfo-aluminate and 1-5 wt% of kaolinite, white clay and perlite. The paving block contains the complex effective microorganisms to reduce urban fine dust and purify rainwater.

Description

RO ROADWAY BLOCK INCLUDING A COMPLEX EFFECTIVE MICROORGANISM REMOVING NITROGEN COMPOUNDS HAVING A FUNCTION OF PURIFYING PERMEATED RAINWATER AND REDUCING DOWNTOWN FINE DUST AND A METHOD FOR MANUFACTURING THE SAME}

The present invention relates to a beam, a driveway block, and a manufacturing method thereof having a function of reducing permeated rainwater purification and urban dust including a complex useful microorganism to remove nitrogen compounds, and in detail, rainwater purification and urban dust. The present invention relates to a beam, a driveway block, and a method of manufacturing the same, which increase the reduction function.

Recently, a sustainable and eco-friendly natural purification technology is required as a concept of purification that is aware of water and air problems around the world. Water and air pollution due to the discharge of various harmful substances due to the development of industry, and especially nitrogen compounds generated from automobile smoke in urban areas accumulate on roads and roads, resulting in rainwater, fine dust, smog and water and air pollution. It is hurting our health. On the other hand, research and development have been conducted by various physical and chemical methods for water quality and air purification by nitrogen (TN) components of beams and driveway blocks installed in urban centers in Korea. Although microbial materials are applied, strong alkalis (> pH 12 or more) of the block are causing the difficulties of continuous natural purification technology due to technical limitations in creating and immobilizing the growth environment. Therefore, it is possible to reduce permeated rainwater purification and urban fine dust, including complex useful microorganisms that remove nitrogen compounds in a growth environment that can be immobilized by complex useful microorganisms that remove nitrogen compounds in beams and driveway blocks used in urban areas. Beam and driveway blocks with the ability to help reduce water quality and urban fine dust. Therefore, beams, driveway blocks, and manufacturing methods thereof, which have a function of reducing permeated rainwater and reducing urban dust including complex useful microorganisms to remove nitrogen compounds, may be considered as alternatives thereto.

The present invention has been made in view of the above, and provides a beam, a driveway block, and a method for manufacturing the same, including a composite useful microorganism that removes nitrogen compounds, and has a function of reducing permeated rainwater purification and urban fine dust. .

In order to achieve the above object, the present invention is a base material formed by mixing dolomite or stone powder 70 ~ 88wt% OPC 10 ~ 20wt%, calcium sulfoaluminate 1 ~ 5wt%, kaolin, clay and perlite 1 ~ 5wt% Permeated rainwater, including complex useful microorganisms to remove nitrogen compounds, characterized in that the composition is added to at least one of water, polycarboxylic acid, aluminum sulfate aqueous solution, microbial low molecular strain, microbial polymer strain, microbial denitrification strain Provides blocks for cars and driveways with functions to purify and reduce urban dust.

In one embodiment, the components added together to the base material is 90 to 95wt% water, 5 to 10wt% polycarboxylic acid, 0.088mol / kg aluminum sulfate 10-15wt%, microorganisms relative to the total weight of the base material Low molecular strain 1 ~ 1.5wt%, microbial polymer strain 1 ~ 1.5wt%, microbial denitrification strain may be 0.5 ~ 1wt%.

In one embodiment, the microorganism small molecule strain, Lactobacillus (Lactobacillus) , Saccharomyces ( Saccharomyces ) , Rhodopsedomonas ( Rhodopsedomonas ) , Streptomyces (Steptomyces) genus 0.2 ~ 0.3: 0.18 ~ 0.28: It may be mixed in a 0.3 to 0.5: 0.02 weight ratio.

In one embodiment, the microbial polymer strain, Bacillus ( Bacillus ) genus, Bacillus megatrium ( Bacillus Megatrium genus, Bacillus Polymixa ) genus, Bacillus Coaguians genus may be mixed in a weight ratio of 0.5: 0.3: 0.1: 0.1.

In one embodiment, the inside of the Bacillus (Bacillus) mesophilic and thermophilic species paper 1 can be mixed with 1 weight ratio.

In one embodiment, the dolomite or stone powder may have a particle size of 8 ~ 13mesh or less.

In one embodiment, the OPC may have a specific surface area of 4,000 to 5,000 cm² / g.

In one embodiment, the calcium sulfoaluminate may have a specific surface area of 4,000 ~ 5,000cm² / g.

The present invention, permeated rainwater purification and urban microparticle dust including complex useful microorganisms to remove nitrogen compounds as additives are added to the base material of dolomite or stone powder, OPC, calcium sulfoaluminate, kaolin, white clay powder or pearlite Implement a beam, a driveway block, and a manufacturing method thereof having a reducing function. In addition, the present invention implements a method for producing a beam, driveway block excellent in rainwater purification and fine dust reduction, permeability by the mixing ratio of the additives.

1 is a flow chart showing a rainwater purification, fine dust reduction, excellent water permeability, and a method of manufacturing a driveway block according to an embodiment of the present invention.
2 is a real picture of rainwater purification and fine dust reduction beams, driveway kaolin permeation block according to an embodiment of the present invention.
3 is a real picture of rainwater purification, fine dust reduction, excellent water permeability, and roadway clay block interlocking according to an embodiment of the present invention.
4 is a mass production physical photograph of rainwater purification, fine dust reduction, excellent water permeability, and road-loaded kaolin blocks according to an embodiment of the present invention.
5 is a real photograph of a permeation experiment using the samples prepared in Examples 1 to 4.
6a to 6d are graphs showing the results of the TN removal efficiency test using the samples prepared in Examples 1 to 4;
Figure 7 is a photograph confirming the population of the composite useful microorganism culture.
8 is a schematic diagram of a polycarboxylic acid reaction.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated and described in detail. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention. The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. The terms "comprises" or "having" in the present application are intended to indicate that there is a feature, number, component, or combination thereof described on the specification, and that one or more other features or numbers, components, or It should be understood that it does not exclude in advance the possibility of the presence or addition of combinations.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art.

Terms such as those defined in the commonly used dictionaries should be construed in accordance with their meaning in the context of the related art, and shall not be construed in an ideal or excessively formal sense unless clearly defined herein.

Hereinafter, an embodiment of the present invention will be described. In the context of the present invention, the material of rainwater purification and fine dust reduction beams, driveway blocks, comprises a base material comprising OPC, calcium sulfoaluminate, kaolin, clay powder or pearlite in dolomite or stone powder.

As such an example, the base material is composed of dolomite or stone powder from 70 to 88 wt%, 10 to 20 wt% of Ordinary Portland Cement (OPC), 1 to 5 wt% of calcium sulfoaluminate (CSA), 1 to 5 wt% of kaolin, white clay powder or pearlite. Can be.

In addition, the base material may be formed by adding at least one of an aqueous solution formed by mixing water and a polycarboxylic acid, an aqueous aluminum sulfate solution, a microbial low molecular strain, a microbial polymer strain, and a microbial denitrification strain.

Dolomite, the material, is a sedimentary rock of carbonate minerals containing calcium and magnesium. The chemical component is CaMg (CO ₃ ) ₂ and Mg may be substituted with Fe, Mn or the like. The ratio of Ca and Mg is less than 1: 5. White, gray or pink, yellow, brown, green. It is transparent or translucent and has a glass luster, and the crystal sometimes has a pearl luster. Similar to calcite, but slightly heavier, the degree of foaming due to dilute hydrochloric acid is weaker than calcite and its strength is a mineral widely used as aggregate for civil engineering materials. The raw material, stone powder, is a by-product from the collection and processing of feldspar. Furnace has a complex chemical composition of (K, Na, Ca, Ba, Rb, Sr, Fe) Al (Al, Si) ₃O. According to the type of metal element to be contained, it is classified into alkali feldspar, such as long stone and microsalt, and plagioclase such as soda and calcium feldspar, and barium feldspar. The most extensive of all minerals, accounting for 60% of the earth's crust. When pure, it is close to white and transparent, but has a different color depending on impurities. Mohs hardness is 6 and specific gravity is 2 to 2.7. It shows monoclinic or triclinic crystal structure depending on the type, and has cleavage and twin in two directions. Dolomite or stone powder is preferably used in a ratio of 70 ~ 88wt%. This results in a decrease in surface frictional strength when used below 70wt% and a drop in durability and flexural strength when used above 88wt%.

OPC, which is a material of the base material, is mainly mixed with fine silicate and iron oxide raw materials, and finely pulverized and mixed with fine siliceous and iron oxide raw materials at a suitable ratio. And the specific surface area is 4,000 ~ 5,000cm² / g, which is produced by pulverizing. The OPC is preferably used at a rate of 10 to 20wt%. This is because the hydration reaction is lowered when using less than 10wt%, the physical properties are significantly lowered, when using more than 20wt%, workability is lowered by the rapid hydration reaction and the problem of cost increase.

The calcium sulfo aluminate (CSA) can be obtained in the composition of C4A3S, C2S-C4A3S, etc., depending on the raw material to be added, the hydrated product is calcium silicate hydrate (CSH), the firing temperature is 100 compared to general portland cement (OPC) It is a low-temperature fired high functional binder having a low degree of 200 ° C. CAS produces hydrates such as ettringite, calcium monosulfoaluminate hydrate, and Ca (OH) ₂ in the acicular and columnar phases by hydration upon contact with cement and water to prevent dry shrinkage cracks, which are usually a drawback of portland cement. It can improve the curing speed, weak bending strength and the like. The calcium sulfoaluminate is preferably used in 1 ~ 5wt%. This decreases the permeability of the block surface due to delayed hardening when used below 1wt%, and decreases workability due to rapid hardening when used above 5wt% and causes cost increase.

The kaolin or clay powder is a mineral produced by the weathering of the rock and kaolinite (Kaolinite, Al ₂ O ₃ .2SiO ₂ .2H ₂ O) and halosite (Halloysite, Al ₂ O ₃ .2SiO ₂ .4H ₂ O) consists of single minerals of plate and needle structure or mixed in various ratios. It contains small amounts of mica, quartz, alum, spectite and various forms of iron and titanium oxides. The kaolin or clay powder is a clay mineral whose main component is more than 65% of SiO, and has high viscosity and plasticity when added with moisture and rigidity when dried, and doubles the pozzolanic reaction.

Kaolin or white clay powder, which is the base material, is preferably used having a particle size of 200mesh 80% or more. This is because when the particle size is less than 200mesh 80% pass rate, the reaction area is small and plasticity and reactivity are poor.

The one material, pearlite, is an off-white silicon mineral and is derived from volcanoes. Perlite can contain 3 ~ 4 times the weight of its own weight and has no function as a buffer, but has a neutral pH of 6.0 and is a mineral that is heated and expanded to 850 ~ 1,200 ℃. It is used in various industries such as soil. The kaolin, clay powder or pearlite is preferably used at a rate of 1 ~ 5wt%. This is because when using less than 1wt%, the physical properties are remarkably decreased, and when using more than 5wt%, the permeability decreases due to the reduction of the pores, which is a characteristic of the product.

Hereinafter, each composition of the additive added to the base material will be described in more detail. The range of content of each composition described below may be an optimum range for maximizing the synergistic effect obtained by mixing each effect and other composition obtained when using each composition.

는 Polycarboxylic Acid 와 반응해서

염이 발생하는데, Polycarboxylate 의 Backbone에 붙은 Carboxyl 그룹이 (-) charge를 띄어 시멘트에 포함된

와 같은 (+) charge의 입자들과 전기적인 인력에 의해 결합 된다. 시멘트 입자에 붙은 가지 형태의 Carboxyl 기는 시멘트 입자간의 전기적 반발과 입체장애 효과에 의해 반발력을 유도하고, 이를 통해 적은 물의 양으로 시멘트의 유동성을 확보할 수 있고, 이에따른 시멘트의 강도에도 효과를 증진하는 물질로서. 물 90~95wt%에 폴리카복실산 5~10wt%의 비율로 형성되어진 수용액을 수분율 10~20wt%로 사용됨이 바람직하다. 이는 10wt% 미만 사용시 수분율 부족으로 성형 후 부스러지는 문제점이 있으며 20wt% 초과 사용시 수분율 과다로 인한 성형의 문제점과 작업성이 떨어진다. The water uses clean water that is not contaminated, such as tap water or groundwater, and the polycarboxylic acid used together is generated during the hydration of cement.

Reacts with Polycarboxylic Acid

Salt occurs, and the carboxyl group attached to the backbone of polycarboxylate has a negative charge,

It is coupled by electrical attraction with particles of positive charge such as Branched Carboxyl group attached to cement particles induces repulsive force by electrical repulsion and steric hindrance effect between cement particles, thereby securing the fluidity of cement with a small amount of water, thereby improving the strength of cement. As a substance. It is preferable that an aqueous solution formed at a ratio of 5 to 10 wt% of polycarboxylic acid to 90 to 95 wt% of water is used at a moisture content of 10 to 20 wt%. It has a problem of shattering after molding due to lack of moisture content when using less than 10wt%, and problem of workability and workability due to excess moisture content when using more than 20wt%.

The aluminum sulfate aqueous solution which is the said additive is a sulfate of aluminum. It is a colorless crystal obtained by dissolving aluminum hydroxide in concentrated sulfuric acid. Soluble in water, aqueous solution has weak acidity, and is used in various industries such as flocculant and pharmaceuticals. It is preferable to use 10-15 wt% of 0.088 mol / kg of aluminum sulfate. This is because it is difficult to adjust the pH for the growth environment of the composite useful microorganism outside the range of 10wt% ~ 15wt%.

The Lactobacillus bacteria (Lactobacillus), An erase Caro My process (Saccharomyces), A also Pseudomonas (Rhodopsedomonas) genus Streptomyces (Streptomyces) lie 0.2-0.3: mixed in a weight ratio of 0.02: 0.18 ~ 0.28: 0.3 to 0.5 The composite low molecular weight microbial strain is a microorganism having a molecular number of 100 or less, and the low molecular weight microbial strain is preferably used at a ratio of 1 to 1.5 wt% based on the base material. It can not be expected to purify the microorganisms when used less than 1wt%, and the use of more than 1.5wt% is an expensive microorganism, which leads to a cost increase.

The Bacillus (Bacillus) mesophilic and thermophilic species of the genus paper 1: 1 are mixed in a weight ratio, Bacillus megateurium (BacillusMegatrium) genus, Bacillus miksa poly (Bacillus Polymixa) genus, Bacillus core roasting Alliance (Bacillus Coaguians genus Bacillus genus polymer strains are mixed in a 0.5: 0.3: 0.1: 0.1 weight ratio, the polymer microorganism strain is preferably used in 1 ~ 1.5wt% ratio with respect to the base material. It can not be expected to purify the microorganisms when used less than 1wt%, the absolute value when used above 1.5wt% is a factor of cost increase.

The castle liner (Castellaniella) strain, para Cocos (Paracocuus) in one Denny tree blood construct (Denitrificans) species of 0.9 strain belonging to the genus: as a combined denitrification strain mixed in a 0.1 weight ratio, the microbial denitrification strain the bay seujae It is preferably used in a ratio of 0.5 to 1wt% relative to. It can not be expected to purify the microorganisms when using less than 0.5wt% and when using more than 1wt% is a complex cost-effective microbial strain caused by the cost increase.

Hereinafter, a beam, a driveway block, and a manufacturing method thereof having a function of reducing permeated rainwater purification and urban fine dust including a composite-use microorganism for removing nitrogen compounds completed using the above materials will be described with reference to the accompanying drawings. It demonstrates in more detail.

1 is a flow chart illustrating a beam, driveway permeable block having a function of reducing permeated rainwater purification and urban microdust including a complex useful microorganism to remove nitrogen compounds according to an embodiment of the present invention and a method of manufacturing the same. 2 to 4 are physical pictures showing embodiments of beam and driveway block products having a function of reducing permeated rainwater purification and urban fine dust, including complex useful microorganisms to remove nitrogen compounds related to the present invention. , FIG. 5 is a real photograph of a permeation experiment using the samples prepared in Examples 1 to 4, and FIGS. 6A to 6D are graphs showing results of a TN removal efficiency test. 7 to 8 is a schematic diagram according to the population identification photograph and polycarboxylic acid reaction cultured a complex useful microorganism.

First, a base material is prepared (S201). The base material may be formed by mixing 70-88 wt% of dolomite or stone powder with 10-20 wt% of Ordinary Portland Cement (OPC), 1-5 wt% of calcium sulfoaluminate (CSA), 1-5 wt% of kaolin, white clay or pearlite. .

Next, at least one of water, polycarboxylic acid, aluminum sulfate aqueous solution, microbial low molecular strain, microbial polymer strain, and microbial denitrification strain is added to the base material as an additive and stirred (S202). .

Next, the stirred material is molded (S203).

Finally, the molded block is completed through a natural curing process (S204). In this case, the material to which the at least one is added to the base material added to the stirrer is at least one of a cylindrical rotary stirring method and an impeller corotating rotary stirring method and an aqueous solution formed with water and a polycarboxylic acid, an aqueous aluminum sulfate solution, and a microorganism low molecule. Strain, microbial polymer strain and microbial denitrification strain supply may be agitated by at least one method by a shower supply method, a mist spray method, the molding method is at least one method of dry hydraulic vibration method, tilting method, wet mold method and The curing method may be prepared by natural curing.

2 to 4 show the rainwater purification and fine dust reduction beams produced by the above-described method, the kaolin permeability block for the driveway, the actual product of the interlocking and the mass production of the kaolin block. FIG. 2 shows rainwater purification and fine dust reduction beams, kaolin permeability blocks for driveways, FIG. 3 shows interlocking clay, and FIG. 4 shows mass production.

Rainwater purification and fine dust reduction beams and driveway blocks manufactured by the above method have high efficiency of TN natural purification removal by composite useful microorganisms and rainwater purification and fine dust reduction beams beyond national regulations such as permeability coefficient and bending strength. It can be used suitably as a block for a roadway.

The following describes an embodiment of rainwater purification, fine dust reduction beams and driveway blocks produced by the above method. Rainwater purification and fine dust reduction beams, driveway block by the composition and manufacturing method of each material described above may be composed of the following components.

Rainwater purification and fine dust reduction beam according to an embodiment of the invention, the material of the block for driveway, dolomite 70-88wt%, OPC 10-20wt%, calcium sulfoaluminate 1-5wt%, water 90-95% and polycarboxyl 10 ~ 20wt% aqueous solution formed with 5 ~ 10wt% acid, 0.088mol / kg aluminum sulfate 10 ~ 15wt%, microbial low molecular strain 1 ~ 1.5wt%, microbial polymer strain 1 ~ 1.5wt%, microbial denitrification strain 0.5 ~ 1wt% It may be made, including. Rainwater purification and fine dust reduction beam consisting of the above components, can be used for the use of a permeable block products for the roadway.

As another example, the material of rainwater purification and fine dust reduction beams and driveway block for roadway is 70 ~ 88wt% of stone powder, 10 ~ 20wt% of OPC, 1 ~ 5wt% of calcium sulfoaluminate, 90 ~ 95% of water and polycarboxyl 10 ~ 20wt% aqueous solution formed with 5 ~ 10wt% acid, 0.088mol / kg aluminum sulfate 10 ~ 15wt%, microbial low molecular strain 1 ~ 1.5wt%, microbial polymer strain 1 ~ 1.5wt%, microbial denitrification strain 0.5 ~ 1wt% It may be made, including. Rainwater purification and fine dust reduction beam consisting of the above components, can be used for the use of a permeable block products for the roadway.

As another example, rainwater purification and fine dust reduction beams, the material for the driveway block for the driveway, dolomite 70-88wt%, OPC 10-20wt%, calcium sulfoaluminate 1-5wt%, kaolin 1-5wt%, water 90 ~ 10-20 wt% of aqueous solution formed of 95% and 5-10 wt% of polycarboxylic acid, 0.088 mol / kg of aluminum sulfate 10-15 wt%, low molecular strain of microorganism 1-1.5 wt%, microorganism polymer strain of 1-1.5 wt%, microorganism Denitrification strain may be made to include 0.5 ~ 1wt%. Rainwater purification and fine dust reduction beam consisting of the above components, can be used for the use of a permeable block products for the roadway.

As another example, the material for rainwater purification and fine dust reduction beams and driveway blocks is dolomite 70-88 wt%, OPC 10-20wt%, calcium sulfoaluminate 1-5wt%, clay 1-5wt%, water 90-95 % And aqueous solution formed by 5-10 wt% polycarboxylic acid 10-20 wt%, aluminum sulfate 0.088 mol / kg aqueous solution 10-15 wt%, microorganism low molecular strain 1-1.5 wt%, microbial polymer strain 1-1.5wt%, microorganism Denitrification strain may be made to include 0.5 ~ 1wt%. Rainwater purification and fine dust reduction beam consisting of the above components, can be used in the use of block products for the driveway.

As another example, the materials for rainwater purification and fine dust reduction beams and driveway blocks are dolomite 70-88 wt%, OPC 10-20 wt%, calcium sulfoaluminate 1-5 wt%, pearlite 1-5 wt%, water 90-95 % And aqueous solution formed by 5-10 wt% polycarboxylic acid 10-20 wt%, aluminum sulfate 0.088 mol / kg aqueous solution 10-15 wt%, microorganism low molecular strain 1-1.5 wt%, microbial polymer strain 1-1.5wt%, microorganism Denitrification strain may be made to include 0.5 ~ 1wt%. Rainwater purification and fine dust reduction beam consisting of the above components, can be used in the use of block products for the driveway.

As another example, the materials for rainwater purification and fine dust reduction beams and driveway blocks are 70 to 88 wt% of stone powder, 10 to 20 wt% of OPC, 1 to 5 wt% of calcium sulfoaluminate, 1 to 5 wt% of kaolin, and 90 to 95 water. % And aqueous solution formed by 5-10 wt% polycarboxylic acid 10-20 wt%, aluminum sulfate 0.088 mol / kg aqueous solution 10-15 wt%, microorganism low molecular strain 1-1.5 wt%, microbial polymer strain 1-1.5wt%, microorganism Denitrification strain may be made to include 0.5 ~ 1wt%. Rainwater purification and fine dust reduction beam consisting of the above components, can be used in the use of block products for the driveway.

As another example, the material for rainwater purification and fine dust reduction beams and driveway blocks is 70 to 88 wt% of stone powder, 10 to 20 wt% of OPC, 1 to 5 wt% of calcium sulfoaluminate, 1 to 5 wt% of clay, and 90 to 95 water. % And aqueous solution formed by 5-10 wt% polycarboxylic acid 10-20 wt%, aluminum sulfate 0.088 mol / kg aqueous solution 10-15 wt%, microorganism low molecular strain 1-1.5 wt%, microbial polymer strain 1-1.5wt%, microorganism Denitrification strain may be made to include 0.5 ~ 1wt%. Rainwater purification and fine dust reduction beam consisting of the above components, can be used in the use of block products for the driveway.

As another example, the material for rainwater purification and fine dust reduction beams and driveway blocks is 70 to 88 wt% of stone powder, 10 to 20 wt% of OPC, 1 to 5 wt% of calcium sulfoaluminate, 1 to 5 wt% of pearlite, and 90 to 95 water. % And aqueous solution formed by 5-10 wt% polycarboxylic acid 10-20 wt%, aluminum sulfate 0.088 mol / kg aqueous solution 10-15 wt%, microorganism low molecular strain 1-1.5 wt%, microorganism polymer strain 1-1.5 wt%, microbial denitrification It can be made, including the strain 0.5 ~ 1wt%. Rainwater purification and fine dust reduction beam consisting of the above components, can be used in the use of block products for the driveway.

Example 1

Dolomite 88wt% with 8mm particle size, OPC 20wt% with specific surface area of 4,000 ~ 5,000cm² / g, Sulfoaluminate 5wt%, 200mesh 80% or more Passage rate 2kg% of kaolin, to the total weight of the base material 15 wt% aqueous solution formed with 95% water and 5 wt% polycarboxylic acid, 10 wt% aluminum sulfate 0.088 mol / kg aqueous solution, 1 wt% microbial low molecular strain, 1 wt% microbial polymer strain, and 0.5 wt% microbial denitrification strain were supplied. It is mixed by stirring and rotating by feeding method and feeding into the mold of 2,000x2,000x60mm standard, and it is manufactured by the dry hydraulic vibration forming method and natural curing method to clean rainwater and reduce fine dust, and to produce kaolin permeability block for roadway. It was. (See Figure 2)

Example 2

In the base material consisting of 88wt% of the grain size of 20mm, 20wt% of OPC having a specific surface area of 4,000 ~ 5,000cm² / g, 5wt% of sulfoaluminate, and 2wt% of white soil of 200mesh or more, the total weight of the base material 15 wt% aqueous solution formed with 95% water and 5 wt% polycarboxylic acid, 10 wt% aluminum sulfate 0.088 mol / kg aqueous solution, 1 wt% microbial low molecular strain, 1 wt% microbial polymer strain, and 0.5 wt% microbial denitrification strain were supplied. It is mixed by stirring and rotating by feeding method and feeding into the mold of size of 2,000x1,000x60mm, and it is applied by dry hydraulic vibration forming method and natural curing method to reduce rainwater purification, fine dust, and interlocking clay block for roadway. Produced. (See Figure 3)

Samples of rainwater purification and fine dust reduction beams and driveway permeation blocks by the method of Examples 1 to 2 were taken as 200 x 200 x 60 mm, and their bending strengths and permeability coefficients are shown in Table 1 and Table 2, and Comparative Examples. The test items of KS Standard KSF 4419: 2009 are the standards performed by Korea Institute of Construction and Environmental Testing and Korea Institute of Chemical Convergence Testing.

Test Items unit Test Methods KS Standard Test result Flexural strength Mpa KS F 4419: 2009 4 or more 4

Test Items unit Test Methods Test result Permeability coefficient mm / s KS F 4419: 2009 1.2

Table 3 below is an experiment conducted by the School of Environmental Engineering at Seoul National University, and it can be seen that the efficiency is high as a result of the rainwater purification test. Table 4 is a test subject conducted by the M21 Microbiology Laboratory. Able to know.

division unit CODcr T-N T-P Control mg / L 31.34 7.32 0.624 Implementation mg / L 15.22 0.6 0.053 Removal efficiency % 51.5 91.8 91.5

division Number of individuals Test Methods Complex useful microorganisms 1x10cfu / mg Petridish

Table 5 below is a test carried out by the Korea Institute of Chemical Convergence Testing, it can be seen that as a result of the heavy metal elution test of kaolin and white clay used as a base material as described above is harmless.

Inspection items unit Designated Waste Level result Test Methods Hexavalent chrome mg / L 1.5 or more Not detected Waste Process Test 2008 Lead Content 3 or more Cadmium content 0.3 or more Arsenic content 1.5 or more Mercury content 0.005 or more Copper content 3 or more Trichloroethylene 0.3 or more Tetrachlorethylene 0.1 or more Cyan content 1 or more Organophosphorus compounds 1 or more Oil content % 5 or more 0.00

According to the test results, the rainwater purification and fine dust reduction beams and driveway block samples produced by the method of Examples 1 to 2 showed excellent results of bending strength KS standard, permeability coefficient, TN removal efficiency, and microbial population. It can be seen that. Therefore, the beam, driveway block of the present invention can be utilized as rainwater purification and fine dust reduction block. Although the detailed description of the present invention described above has been described with reference to preferred embodiments of the present invention, those skilled in the art or those skilled in the art will have the idea of the present invention described in the claims to be described later. And it will be understood that various modifications and changes of the present invention can be made without departing from the scope of the art.

Claims (10)

Beam, driveway block,
Dolomite or stone powder 70 ~ 88wt% OPC 10 ~ 20wt%, calcium sulfoaluminate 1 ~ 5wt%, kaolin, white clay and pearlite base material formed by mixing, 90 ~ water relative to the total weight of the base material 95wt%, polycarboxylic acid 5-10wt%, aluminum sulfate 0.088mol / kg aqueous solution 10-15wt%, microbial low molecular strain 1-1.5wt%, microbial polymer strain 1-1.5wt%, microbial denitrification strain 0.5-1wt% Added,
The permeability coefficient of the beam, driveway block is more than 1.2mm / s, the bending strength is 4Mpa or more, 70 ~ 88wt% of the base material is made of dolomite or stone powder, the dolomite or stone powder has a particle size of 8 ~ 13mesh ego,
The microorganism small molecule strain, Lactobacillus genus, Saccharomyces genus, Rhodopsedomonas genus, Streptomyces genus 0.2-0.3: 0.18-0.28: 0.3-0.5: 0.02 weight Mixed in proportion,
The microbial polymer strain, Bacillus genus, Bacillus Megatrium genus, Bacillus Polymixa genus, Bacillus Coaguians genus 0.5: 0.3: 0.1: 0.1 mixed in the weight ratio Become,
Mesophilic species and pyrogenic species in the Bacillus genus are mixed in a 1: 1 weight ratio,
The OPC has a specific surface area of 4,000 to 5,000 cm² / g,
The calcium sulfo aluminate has a specific surface area of 4,000 ~ 5,000 cm² / g,
The aluminum sulfate is added together with the calcium sulfoaluminate so as to neutralize Ca (OH) ₂ generated by the hydration reaction of the calcium sulfoaluminate permeate including a mixed useful microorganism to remove the nitrogen compound. Blocks for beams and driveways with the function of purifying rainwater and reducing fine dust in the city. delete delete delete delete delete delete delete In the method of manufacturing a beam, a driveway block,
Preparing a base material formed by mixing dolomite or stone powder with 70 to 88 wt% of OPC 10 to 20 wt%, calcium sulfoaluminate 1 to 5 wt%, kaolin, white clay or pearlite 1 to 5 wt%;
Adding and stirring an aqueous solution formed of water and polycarboxylic acid, an aqueous aluminum sulfate solution, a microbial low molecular strain, a microbial polymer strain, and a microbial denitrification strain to the base material;
Injecting the stirred material into a mold and forming the molded material; And
Curing the molded block,
The permeability coefficient of the beam, driveway block is more than 1.2mm / s, the bending strength is 4Mpa or more, 70 ~ 88wt% of the base material is made of dolomite or stone powder, the dolomite or stone powder has a particle size of 8 ~ 13mesh ego,
The microorganism small molecule strain, Lactobacillus genus, Saccharomyces genus, Rhodopsedomonas genus, Streptomyces genus 0.2-0.3: 0.18-0.28: 0.3-0.5: 0.02 weight Mixed in proportion,
The microbial polymer strain, Bacillus genus, Bacillus Megatrium genus, Bacillus Polymixa genus, Bacillus Coaguians genus 0.5: 0.3: 0.1: 0.1 mixed in a weight ratio Become,
Mesophilic species and pyrogenic species in the Bacillus genus are mixed in a 1: 1 weight ratio,
The OPC has a specific surface area of 4,000 to 5,000 cm² / g,
The calcium sulfo aluminate has a specific surface area of 4,000 ~ 5,000 cm² / g,
The stirring step is performed by at least one method of the cylindrical rotary stirring method, impeller revolving stirring method,
The aluminum sulfate is added together with the calcium sulfoaluminate so as to neutralize Ca (OH) ₂ generated by the hydration reaction of the calcium sulfoaluminate permeate including a mixed useful microorganism to remove the nitrogen compound. A method for manufacturing beam and driveway blocks with the function of reducing rainwater purification and fine dust in the city. delete

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