KR100275586B1 - Soil conditioner using natural mineral and method for producing the same - Google Patents

Soil conditioner using natural mineral and method for producing the same Download PDF

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KR100275586B1
KR100275586B1 KR1019960064037A KR19960064037A KR100275586B1 KR 100275586 B1 KR100275586 B1 KR 100275586B1 KR 1019960064037 A KR1019960064037 A KR 1019960064037A KR 19960064037 A KR19960064037 A KR 19960064037A KR 100275586 B1 KR100275586 B1 KR 100275586B1
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oyster shell
oyster
soil
soil conditioner
producing
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KR19980045823A (en
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백우현
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배광효
백우현
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
    • C09K17/06—Calcium compounds, e.g. lime
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2101/00—Agricultural use
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S71/00—Chemistry: fertilizers
    • Y10S71/903—Soil conditioner

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Fertilizers (AREA)

Abstract

PURPOSE: Provided are a method for producing soil conditioner, using oyster shell which is a natural mineral and an industrial waste, so as to prevent a soil acidification, and a soil conditioner prepared by the method. CONSTITUTION: The method for producing soil conditioner comprises heating an oyster shell consisting of 40-53 wt.% of calcium monooxide(CaO), 0.5-0.6 wt.% of magnesium monooxide(MgO) and 30-50 wt.% of other ingredient at 650-950 deg.C for 15-120 minutes to obtain a fired oyster shell. The other ingredient means natural zeolites which is crushed into particles of 200-250 mesh. The method uses oyster shell which is a natural mineral and an industrial waste, and thus sufficiently prevents a soil acidification.

Description

[발명의 명칭][Name of invention]

천연무기질을 이용한 토양개량제의그 제조방법Manufacturing method of soil improving agent using natural inorganic substance

[발명의 상세한 설명]Detailed description of the invention

[발명의 목적][Purpose of invention]

[발명이 속하는 기술분야 및 그 분야의 종래기술][Technical field to which the invention belongs and the prior art in that field]

본 발명은 천연무기질을 이용한 토양개량제 및 그 제조방법에 관한 것으로, 특히 산업쓰레기인 굴패각을 이용하여 토양의 산성화를 방지할 수 있도록 한 것이다.The present invention relates to a soil improving agent using a natural inorganic material and a method for manufacturing the same, and in particular, to prevent acidification of the soil by using oyster shell, which is industrial waste.

종래에도 토양개량제가 여러 가지의 형태로 개발, 사용되어 왔으나, 그 대부분이 토양미생물 제재로 제조과정이 복잡하고 사용원료가 고가이기 때문에 생산원가가 높을뿐만 아니라 토양중 미생물의 서식환경악화로 토양의 지력상실과 산성화를 충분히 방지할 수 없다는 문제점이 있다.Conventionally, soil amendments have been developed and used in various forms, but most of them are soil microorganisms, which make the manufacturing process complicated and expensive. There is a problem that it is not possible to sufficiently prevent the loss of intelligence and acidification.

이러한 문제점을 해소하기 위하여 토양중화제로서 석회를 사용하였던 바, 이경우 석회가 굳어지며 토양의 작은 공간이 없어지게 되어 작물성장에 장애를 초래하게 되는 문제점이 유발된다.In order to solve this problem, lime was used as a soil neutralizer. In this case, lime becomes hard and small spaces of the soil disappear, causing problems in crop growth.

[발명이 이루고자 하는 기술적 과제][Technical problem to be achieved]

따라서 본 발명은 상기 문제점을 해결하기 위하여 이루어진 것으로서 본 발명의 목적은 토양이 산성화되는 것을 방지시키기 위하여 천연무기질이고 산업쓰레기인 굴패각을 이용한 토양개량제의 제조방법을 제공하는 데 있다.Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to provide a method for producing a soil improver using oyster shell, which is a natural inorganic and industrial waste, in order to prevent the soil from acidification.

[발명의 구성 및 작용][Configuration and Function of Invention]

상기 목적을 달성하기 위해 본 발명에 따른 천연무기질을 이용한 토양개량제는 40 내지 53중량%의 일산화칼슘(CaO)과 0.5 내지 0.6중량%의 일산화마그네슘(MgO) 및 30 내지 50중량%의 기타물질로 이루어진 소성된 굴패각으로 구성된 것을 특징으로 한다.In order to achieve the above object, the soil improving agent using the natural inorganic material according to the present invention is 40 to 53% by weight of calcium monoxide (CaO) and 0.5 to 0.6% by weight of magnesium monoxide (MgO) and 30 to 50% by weight of other materials. It is characterized by consisting of a fired oyster shell made of.

상기 천연무기질이라 함은 굴패각 외에도 조개껍질과 게껍질 등도 포함된다. 한편, 본 발명에 따른 천연무기질을 이용한 토양개량제의 제조방법은, 굴패각을 650℃ - 950℃ 에서 가열하여 소성된 굴패각을 얻을 수 있는 것을 특징으로 한다.The natural inorganic substance includes shellfish and crab shells in addition to oyster shells. On the other hand, the method for producing a soil improver using a natural inorganic material according to the present invention, characterized in that the oyster shell is heated by heating at 650 ℃-950 ℃ it can be obtained calcination shell.

또한, 본 발명에서 기타물질이라 함은 천연제올라이트를 말하며, 천연에서 채취된 제올라이트를 200내지 250메쉬로 분쇄된 것이다.In addition, in the present invention, the other material refers to natural zeolite, and the zeolite collected from nature is pulverized into 200 to 250 mesh.

[발명의 효과][Effects of the Invention]

상기와 같이 구성된 본 발명의 천연무기질을 이용한 토양개량제는 토양이 질소와 인 그리고 유기물과 미량원소를 포함하도록 함으로서 토양이 산성화되는 것을 방지할 수 있는 매우 뛰어난 효과가 있다.The soil improving agent using the natural inorganic substance of the present invention configured as described above has a very excellent effect of preventing the soil from acidification by including the nitrogen and phosphorus, and organic matter and trace elements.

이와 같이 바다의 굴 양식장에서 쓰레기로서 많이 만들어지는 굴패각이나 조개껍질, 게껍질을 유용하게 이용함으로써 자원을 절약할 수 있고, 또한 버려진 굴패각으로 인하여 바닷가의 환경오염을 방지할 수 있는 매우 뛰어난 효과가 있다.Thus, the use of oyster shells, shells, and crab shells that are made a lot of waste in the oyster farms of the sea can be used to save resources, and the abandoned oyster shells can be used to prevent environmental pollution on the beach. .

또한, 소성된 굴패각의 표면에 미생물을 생장시키고 이 미생물에 의해 유독 유기물을 제거하는 효과가 있다.In addition, there is an effect of growing microorganisms on the surface of the calcined oyster shell and removing toxic organic substances by the microorganisms.

[실시예1]Example 1

생굴 패각의 구성은 표 1과 같다.The composition of the raw oyster shell is shown in Table 1.

상기 백분율을 중량비이다.The percentage is weight ratio.

생굴패각의 비중은 2.80이고, 상기 생굴패각의 pH는 8.9이다.The specific gravity of the raw oyster shell is 2.80, and the pH of the raw oyster shell is 8.9.

미생물에 의해 유독유기물을 효과적으로 제거하도록 별도의 공정에 의해 생굴패각의 표면에 미생물을 부착하였다.The microorganisms were attached to the surface of the live oyster shell by a separate process to effectively remove the toxic organic matter by the microorganisms.

[실시예2]Example 2

생굴패각의 구성은 상기 실시예1 에서의 표1과 같다.The composition of the raw oyster shell is shown in Table 1 in Example 1.

상기 생굴패각을 채취하여 세척후 생굴패각을 전기로에서 450, 550, 650, 850, 950, 1000℃에서 30분간씩 소성하여 최적의 소성조건을 검토하였다. 상기 굴패각을 전기로에 넣고 소성을 시킨 결과 400℃에서 소성시킨 굴패각은 표면의 유기물이 전량제거되지 못한 상태였으며, 600℃에서 소성시킨 굴패각은 표면이 흡착기능을 발휘할 수 있는 기공의 발달이 충분치 못하였다. 반면, 800℃에서 소성시킨 굴패각은 표면의 기공과 유기물의 제거가 만족스러웠으며 1000℃에서의 결과는 굴패각의 강도가 너무 약해 부서지기 쉬워 사용이 곤란하였다. 상기와 같은 생굴패각을 800℃의 온도에서 30분간 가열하면 침상 또는 입자상의 아라고나이트(Aragonite)형 비결정질의 칼슘화합물이 얻어지며, 이는 광물성 석회질을 원료로한 칼사이트(Calcite)형 결정질의 칼슘화합물 보다 활성도가 높고 작물에 대한 친화도가 높은 독특한 특성을 지니고 있다. 따라서, 본 발명에서는 굴패각을 850℃에서 약 30분간 소성한 굴패각을 사용하였으며 소성한 굴패각에 대한 화학조성은 표 2에 나타내었다.After the raw oyster shells were collected and washed, the raw oyster shells were calcined at 450, 550, 650, 850, 950, and 1000 ° C. for 30 minutes in an electric furnace to examine the optimum firing conditions. When the oyster shell was put into an electric furnace and fired, the oyster shell baked at 400 ° C. was not completely removed from the organic matter. The oyster shell baked at 600 ° C. did not have enough pores to develop adsorption function. . On the other hand, the oyster shells fired at 800 ° C. were satisfactory for removing pores and organic matter on the surface, and the results at 1000 ° C. were difficult to use because they were too fragile. When the raw oyster shell is heated at a temperature of 800 ° C. for 30 minutes, acicular or granular aragonite amorphous calcium compound is obtained, which is a calcite crystalline calcium compound based on mineral lime. It has a unique characteristic of higher activity and affinity for crops. Therefore, in the present invention, the oyster shell was calcined at 850 ° C. for about 30 minutes, and the chemical composition of the oyster shell was shown in Table 2.

상기 백분율을 중량비이다.The percentage is weight ratio.

그리고, 상기 표1과 표2를 비교하면 소성에 의한 굴패각의 성분변화를 알 수 있다.And, comparing Table 1 and Table 2, it can be seen that the component change of the oyster shell by firing.

소성된 굴패각의 비중은 1.87이다. 상기 소성된 굴패각을 pH6.8의 증류수에 질량비 1:5로 넣고, 24시간 후의 상기 소성굴 패각이 담겨진 물의 pH는 11.2이다.The specific gravity of calcined oyster shell is 1.87. The calcined oyster shell was placed in distilled water at pH6.8 in a mass ratio of 1: 5, and the pH of the water containing the calcined oyster shell after 24 hours was 11.2.

상기 소성된 굴패각으로 이루어진 천연 무기질층이 생굴패각 대신에 소성굴 패각으로 이루어진 것 외에는 실시예1에서와 동일하다.The natural inorganic layer made of the fired oyster shell is the same as in Example 1 except that the fired oyster shell is used instead of the raw oyster shell.

또한, 생굴패각을 소성된 굴패각으로 대체하는 것외의 토양처리제의 제조과정은 실시예1과 동일하다.In addition, the manufacturing process of the soil treatment agent other than replacing the raw oyster shell with a fired oyster shell is the same as in Example 1.

강열감량은 생굴패각에 열을 가함으로써 감소된 생굴패각의 중량을 말한다.Loss on ignition refers to the weight of raw oyster shells reduced by heating them.

상기와 같은 굴패각이 퇴비화에 적합한지를 판정하기 위해 분석을 행하였다. 시료는 105℃에서 완전히 건조한 후 분석을 행하였으며 결과는 표 3과 4에 나타내었다. C와 N은 C, H, N 분석기를 사용하여 분석하였으며, 기타의 항목은 용출조작을 한 후 앞서의 폐수시험방법을 따랐다.Analysis was conducted to determine whether such oyster shells were suitable for composting. After the sample was completely dried at 105 ℃ was analyzed and the results are shown in Tables 3 and 4. C and N were analyzed using C, H and N analyzers, and the other items were followed by the wastewater test method after the elution operation.

생굴패각 오니의 C/N비는 14.5 : 1이었으며, 소성 굴패각 오니의 C/N비는 11.4 : 1로서 퇴비화에 적합한 수준이었으며, 중금속이나 독성유기물의 함량도 퇴비화에 지장을 주는 수준에 미치지 않았다.The C / N ratio of fresh oyster shell sludge was 14.5: 1, and the C / N ratio of calcined oyster shell sludge was 11.4: 1, which is suitable for composting, and the content of heavy metals and toxic organic matter did not interfere with composting.

특히 소성된 굴패각 오니의 경우 분쇄가 아주 쉬운 상태이며 인의 함량도 높아 농지에 사용할 경우 좋은 시비 효과가 기대된다.In particular, fired oyster shell sludge is very easy to grind and has a high phosphorus content, which is expected to have a good fertilizing effect when used on farmland.

이와같이 굴패각 오니는 토양개량제 및 퇴비로서 좋은 성분 조성을 보이고 있으며 약 4주간 느슨하게 덮개를 씌운 용기에서 부숙시키면 칼슘분과 유기물을 고루 함유한 토양개량제로 농지에 사용할 수 있는 상태가 된다.Thus, oyster shell sludge shows good composition as a soil improver and compost, and if it stays in a loosely covered container for about 4 weeks, it can be used for farmland as a soil improver containing calcium powder and organic matter.

[실시예 3]Example 3

천연 제올라이트의 화학적 조성은 표 5와 같다.The chemical composition of the natural zeolite is shown in Table 5.

채취된 천연 제올라이트를 천일건조 시키고 조크래셔(Jaw Crasher) 및 조밀(Jaw mill)등으로 분쇄하여 200내지 250메쉬의 입자상태가 되도록 하여 상기 실시예 2에서 소성한 굴패각과 적정비율로 혼합하여 토지개량제를 제조한다.The dried natural zeolite was sun dried and pulverized with a jaw crasher, a jaw mill, and the like to obtain a particle state of 200 to 250 mesh, and then mixed with the oyster shells fired in Example 2 at an appropriate ratio. To prepare.

천연 제올라이트는 이온 교환성이 크며 특히 굴패각 성분과 혼합하여 경작지에 사용하면 제올라이트중의 K이온 같은 중요한 비료성분이 지속적으로 작물성장에 작용할 수 있고, 미량의 원소들이 작물성장촉진의 촉매역활을 하며, 제올라이트의 다공질은 토양의 습도를 조절시켜 줌으로써 토질개선효과 및 작물성장 조절효과를 나타낸다.Natural zeolites are highly ion-exchangeable, especially when mixed with oyster shells and used in arable land, important fertilizers such as K ions in zeolites can continuously act on crop growth, and trace elements act as catalysts for crop growth promotion. The porosity of zeolite shows soil improvement effect and crop growth control effect by controlling soil humidity.

이와같이 굴패각과 제올라이트를 이용하는 살수여상 변법을 시험한 결과 다음과 같은 결론을 얻었다.As a result of the test of the trickling phase using oyster shell and zeolite, the following conclusions were obtained.

이와같은 방법은 굴패각을 효과적으로 재이용할 수 있는 방법이며, 굴패각은 800℃에서 30분간 소성함으로서 효율을 증대시킬 수 있다.Such a method is a method that can effectively reuse the oyster shell, the oyster shell can increase the efficiency by firing at 800 ℃ 30 minutes.

그리고, 굴패각오니는 부숙하여 퇴비화하기에 적합한 조성을 하고 있었음을 알 수 있었다.In addition, it was found that the oyster shell sludge had a suitable composition for composting and housekeeping.

따라서, 본 발명은 굴패각을 폐기물이 아닌 자원으로 활용할 수 있다.Therefore, the present invention can utilize oyster shell as a resource rather than a waste.

[실험예 1,2의 결과의 분석][Analysis of the results of Experimental Examples 1 and 2]

생굴패각과 소성한 굴패각에 대한 성분 분석을 실시하여 표 1과 표 2의 결과를 얻었다. 상기 표 1과 표 2를 비교하면 소성에 의한 굴패각 성분의 변화를 볼 수 있다. 생굴패각에서는 CaCO3의 함량이 94% 이상이었으나, 소성에 의해 CaCO3중의 CO2가 제거되어 소성한 굴패각에서는 CaO가 53.6%로 나타나고, 이때의 강열감량은 45% 정도였다. MgCO3도 MgO로 전환되었으며 다른 성분의 변화는 크지 않았다.The results of Table 1 and Table 2 were obtained by analyzing the oyster shells and baked oyster shells. Comparing Table 1 and Table 2, the change in oyster shell components due to firing can be seen. CaCO 3 content was over 94% in fresh oyster shells, but CaO was 53.6% in oyster shells where CO 2 in CaCO 3 was removed by calcination. MgCO 3 was also converted to MgO and the change in other components was not significant.

비중은 생굴패각에서 2.80 이었으며, 소성한 굴패각에서는 CO2가 제거된 부분에 구조상의 공극이 생겨 1.87로 작아졌다.The specific gravity was 2.80 in the raw oyster shell, and in the calcined oyster shell, structural voids were formed in the portion where CO 2 was removed.

굴패각을 pH 6.8의 증류수에 질량비 1:5로 넣고 24시간 후의 pH변화를 본 결과는, 생굴패각의 경우 8.9이며, 소성 굴패각의 경우는 11.2로 소성 굴패각 쪽이 크게 알칼리쪽으로 옮겨감을 볼수 있었다.When the oyster shell was added to distilled water of pH 6.8 at a mass ratio of 1: 5, the pH change after 24 hours was 8.9 for the raw oyster shell and 11.2 for the oyster shell.

이와같이 소성된 굴패각과 생굴패각의 비교는 생굴패각 쪽이 미생물의 부착 속도와 부착량이 좋았으며, 소성된 굴패각은 산화칼슘의 용출로 패각의 양이 소량 줄어드는 경향을 보였다.As compared with the baked oyster shell and the fresh oyster shell, the adhesion rate and adhesion amount of microorganisms were better in the fresh oyster shell, and the amount of shell was decreased by the leaching of calcium oxide.

실험예 1,2의 결과에 의하면, 굴 패각과 제올라이트를 이용하는 본 발명에 따른 토양개량제는 다음과 같은 효과가 있다.According to the results of Experimental Examples 1 and 2, the soil improving agent according to the present invention using the oyster shell and the zeolite has the following effects.

굴패각을 효과적으로 재이용할 수 있고, 굴패각은 800℃에서 30분간 소성함으로서 효율을 증대시킬 수 있다.Oyster shells can be effectively reused, and oyster shells can increase efficiency by firing at 800 ° C. for 30 minutes.

생굴패각을 이용할 경우 유독유기물의 제거에 좋은 효율을 보이며 소성 굴패각을 사용할 경우에는 인의 제거에 특히 좋은 효과가 있다.The use of fresh oyster shell shows good efficiency in the removal of toxic organic matter, and the use of plastic oyster shell has a particularly good effect on the removal of phosphorus.

굴패각을 폐기물이 아닌 자원으로 활용할 수 있는 발명이다.Oyster shell is an invention that can be used as a resource, not a waste.

Claims (1)

40 내지 53중량%의 일산화칼슘(CaO)과 0.5 내지 0.6중량%의 일산화마그네슘(MgO) 및 30 내지 50중량%의 기타물질로 이루어진 굴패각을 650~950℃에서 15~120분 동안 가열하여 소성된 굴패각을 얻을 수 있는 것을 특징으로 하는 천연무기질을 이용한 토양개량제의 제조방법.Oyster shell consisting of 40 to 53% by weight of calcium monoxide (CaO), 0.5 to 0.6% by weight of magnesium monoxide (MgO) and 30 to 50% by weight of other materials was calcined by heating at 650 to 950 ° C for 15 to 120 minutes. Method for producing a soil improver using a natural inorganic material, characterized in that to obtain an oyster shell.
KR1019960064037A 1996-12-11 1996-12-11 Soil conditioner using natural mineral and method for producing the same KR100275586B1 (en)

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KR20020059171A (en) * 2001-01-03 2002-07-12 박충생 Durability Coating Fertilizer using a Oyster Shell and process for preparing of the same
KR100934127B1 (en) 2009-08-04 2009-12-28 김봉규 Manufacturing method of fertilizer using oystershells
KR101140647B1 (en) 2011-03-31 2012-05-03 김수민 Method of removing upogebia major in the tidal flat farming areas, and combined composite fish farming facility for tapes philippinaraum, giant pacific oyster thereof using the method of making seed collection enviorment
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Publication number Priority date Publication date Assignee Title
KR20020059171A (en) * 2001-01-03 2002-07-12 박충생 Durability Coating Fertilizer using a Oyster Shell and process for preparing of the same
KR100934127B1 (en) 2009-08-04 2009-12-28 김봉규 Manufacturing method of fertilizer using oystershells
KR101140647B1 (en) 2011-03-31 2012-05-03 김수민 Method of removing upogebia major in the tidal flat farming areas, and combined composite fish farming facility for tapes philippinaraum, giant pacific oyster thereof using the method of making seed collection enviorment
CN111334308A (en) * 2020-04-20 2020-06-26 深圳市芭田生态工程股份有限公司 Soil heavy metal passivator, preparation method thereof and soil remediation method

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