KR101692201B1 - Compost, bedding material for pen and manufacturing method thereof - Google Patents
Compost, bedding material for pen and manufacturing method thereof Download PDFInfo
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- KR101692201B1 KR101692201B1 KR1020130165310A KR20130165310A KR101692201B1 KR 101692201 B1 KR101692201 B1 KR 101692201B1 KR 1020130165310 A KR1020130165310 A KR 1020130165310A KR 20130165310 A KR20130165310 A KR 20130165310A KR 101692201 B1 KR101692201 B1 KR 101692201B1
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- 239000000463 material Substances 0.000 title claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000002361 compost Substances 0.000 title description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000012798 spherical particle Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 4
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 4
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 4
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 4
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 239000010871 livestock manure Substances 0.000 abstract description 11
- 241000533293 Sesbania emerus Species 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000009264 composting Methods 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- -1 geolite Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0157—Mats; Sheets
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0155—Litter comprising organic material
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fertilizers (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
본 발명은 축사 깔개 제조방법에 관한 것으로, 커피 찌꺼기의 수분 함량을 10% 이내로 건조하는 제1단계; 상기 커피 찌꺼기에 결합재를 첨가하여 커피 찌꺼기를 구형 입자로 가공하는 제2단계; 상기 구형 입자로 가공된 커피 찌꺼기에 이산화규소(SiO2)를 첨가하여 혼합하는 제3단계; 상기 이산화규소 혼합 과정에서 자광석 분말과 에틸 셀룰로오스(Ethyl cellulose)을 첨가하는 제4단계; 및 상기 제4단계에서 가공된 커피 찌꺼기와 톱밥을 1 : 0.3~0.8 중량비로 혼합하는 제5단계;를 포함하는 것을 특징으로 한다.
본 발명에 따르면, 톱밥과 커피 찌꺼기를 혼합하여 형성되므로, 커피 찌꺼기에 의해 가축 분뇨의 냄새 제거 효과가 있고, 이로 인해 축사 깔개 교체 주기를 늘일 수 있다는 효과가 있다.The present invention relates to a method of manufacturing a rug, comprising a first step of drying the moisture content of the coffee grounds to 10% or less; A second step of adding a binding material to the coffee grounds to process the coffee grounds into spherical particles; A third step of adding and mixing silicon dioxide (SiO 2 ) to the coffee grounds processed into the spherical particles; A fourth step of adding a magnetite powder and ethyl cellulose in the silicon dioxide mixing process; And a fifth step of mixing the coffee grounds processed in the fourth step with sawdust at a weight ratio of 1: 0.3 to 0.8.
According to the present invention, since coffee beans are formed by mixing sawdust and coffee grounds, there is an effect of removing the odor of livestock manure by the coffee grounds, thereby increasing the replacement period of the rug.
Description
본 발명은 퇴비, 축사 깔개 및 이의 제조방법에 관한 것이다. The present invention relates to a compost, a housing rug and a method of manufacturing the same.
가축을 사육하는 축사에서 발생하는 가축들의 배설물, 즉 축산분뇨를 처리하기 위한 방법으로, 발효퇴비화, 정화, 건조 및 화학적 처리 방법이 있고, 그 중 경제성과 효율성 면에서 발효퇴비화 방법이 선호되고 있다.There are fermentation composting, purification, drying and chemical treatment methods as a method for treating excrements of livestock excrement, that is, livestock manure, which are generated in a housing for raising livestock. Among them, fermented composting methods are preferred in terms of economy and efficiency.
이러한 발효퇴비화 방법을 이용하여 축산분뇨를 처리하는 방법에 있어서, 분뇨의 수분을 조절하는 것이 중요한데, 수분 조절재로 톱밥을 사용하는 것이 일반적이다.In the method of treating livestock manure using this fermented composting method, it is important to control the moisture of the manure, and it is common to use sawdust as a moisture regulator.
그러나, 톱밥의 경우, 톱밥의 원재료인 원목이 대부분 수입에 의존하고 있어 비용이 비싸고 공급에 한계가 있다는 문제점이 있다.However, in the case of sawdust, most of the wood, which is the raw material of sawdust, is dependent on imports, which is costly and there is a limit to supply.
또한, 톱밥과 같은 목질물은 퇴비화에 장시간이 소요되고 화학비료보다 부피가 많으며, 운반 시비 등에 인력 및 비용이 많이 소요되는 문제점이 있다.In addition, the woody material such as sawdust has a problem that it takes a long time to compost, has a bulky volume than chemical fertilizer, and requires a lot of manpower and cost for transportation.
본 발명이 이루고자 하는 과제는 커피 찌꺼기를 포함하는 축사 깔개를 제공함으로써 축사 깔개의 교체 주기를 늘이고 분뇨 처리 효율을 높이기 위한 것이다.SUMMARY OF THE INVENTION [0008] The present invention provides a housing rug including coffee grounds to increase the replacement cycle of the rug and improve the manure treatment efficiency.
본 발명의 한 실시예에 따른 커피 찌꺼기의 수분 함량을 10% 이내로 건조하는 제1단계; 상기 커피 찌꺼기에 결합재를 첨가하여 커피 찌꺼기를 구형 입자로 가공하는 제2단계; 상기 구형 입자로 가공된 커피 찌꺼기에 이산화규소(SiO2)를 첨가하여 혼합하는 제3단계; 상기 이산화규소 혼합 과정에서 자광석 분말과 에틸 셀룰로오스(Ethyl cellulose)을 첨가하는 제4단계; 및 상기 제4단계에서 가공된 커피 찌꺼기와 톱밥을 1 : 0.3~0.8 중량비로 혼합하는 제5단계;를 포함하는 것을 특징으로 한다.
상기 결합재는 황토, 지오라이트, 석회석, 자광석 중 어느 하나인 것을 특징으로 한다.
상기 커피 찌꺼기를 건조하는 단계는 상기 커피 찌꺼기를 고온의 건조로 내부에 투입하고 교반 작업을 통해 건조시키는 방법으로 이루어지는 것이 좋다.A first step of drying the moisture content of the coffee grounds to 10% or less according to an embodiment of the present invention; A second step of adding a binding material to the coffee grounds to process the coffee grounds into spherical particles; A third step of adding and mixing silicon dioxide (SiO 2 ) to the coffee grounds processed into the spherical particles; A fourth step of adding a magnetite powder and ethyl cellulose in the silicon dioxide mixing process; And a fifth step of mixing the coffee grounds processed in the fourth step with sawdust at a weight ratio of 1: 0.3 to 0.8.
The binding material is characterized by being any one of loess, geolite, limestone, and magnetite.
The step of drying the coffee grounds may include a method in which the coffee grounds are put into a high-temperature drying furnace and dried through a stirring operation.
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이러한 특징에 이러한 특징에 따르면, 축사 깔개는 톱밥과 커피 찌꺼기를 혼합하여 형성되므로, 커피 찌꺼기에 의해 가축 분뇨의 냄새 제거 효과가 있고, 이로 인해 축사 깔개 교체 주기를 늘일 수 있다는 효과가 있다.According to this feature, according to this aspect, since the housing rug is formed by mixing the sawdust and the coffee grounds, the coffee grounds have an effect of removing the odor of the livestock manure, thereby increasing the replacement period of the rug.
도 1은 본 발명의 한 실시예에 따른 축사 깔개 제조 방법을 나타낸 흐름도이다.1 is a flowchart illustrating a method of manufacturing a rug according to an embodiment of the present invention.
아래에서는 첨부한 도면을 참고로 하여 본 발명의 실시예에 대하여 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다. 그리고 도면에서 본 발명을 명확하게 설명하기 위해서 설명과 관계없는 부분은 생략하였으며, 명세서 전체를 통하여 유사한 부분에 대해서는 유사한 도면 부호를 붙였다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.
그러면 본 발명의 한 실시예에 따른 축사 깔개에 대하여 설명한다.A housing rug according to an embodiment of the present invention will now be described.
먼저, 본 발명의 한 실시예에 따른 축사 깔개는 커피 찌꺼기와 톱밥을 혼합하여 포함한다.First, a rug according to an embodiment of the present invention includes a mixture of coffee grounds and sawdust.
여기서, 상기 커피 찌꺼기와 톱밥을 1 : 0.3~0.8 중량비로 혼합한다.Here, the coffee grounds and the sawdust are mixed at a weight ratio of 1: 0.3 to 0.8.
상기 커피 찌꺼기는 구형 입자로 가공된 형태이거나 원상태 그대로 혼합될 수 있다.The coffee grounds may be machined into spherical particles or mixed as they are.
구형 입자로 가공된 형태의 커피 찌꺼기는, 커피 찌꺼기에 결합재를 혼합함으로써 5~10mm정도의 크기를 갖는 구형 입자로 가공될 수 있다. 이와 같이 커피 찌꺼기가 구형 입자로 가공된 형태를 가짐에 따라, 커피 찌꺼기가 균일한 형상을 갖게 된다.The coffee grounds processed into spherical particles can be processed into spherical particles having a size of about 5 to 10 mm by mixing the binding material with the coffee grounds. Since the coffee grounds are processed into spherical particles as described above, the coffee grounds have a uniform shape.
결합재는 커피 찌꺼기의 30% 중량부 가량 사용되는 것이 좋고, 한 예에서, 결합재는 황토, 지오라이트, 석회석 또는 석고일 수 있다.The binder is preferably used in an amount of 30% by weight of the coffee ground, and in one example, the binder may be yellow soil, geolite, limestone or gypsum.
이러한 커피 찌꺼기는 원두 커피를 가공하고 남은 찌꺼기로, 식물성인 원두커피를 일정온도 이상으로 가열하고 잘게 파쇄한 분말에서 커피 원액을 추출하고 남은 찌꺼기이므로, 식물의 주성분인 리그린, 셀룰로오스 등을 포함하는 다공성 물질이며, 따라서 식물세포 조직의 특성상 통기성이 뛰어나다.Such coffee grounds are remnants obtained by extracting the coffee stock solution from finely pulverized powders by heating the vegetable coffee beans to a certain temperature or higher with the residue remaining after processing the coffee beans. Therefore, the coffee grounds include remigin, cellulose, It is a porous material, and therefore, it has excellent air permeability due to the nature of plant cell tissue.
그리고 이때, 커피 찌꺼기는 건조공정으로부터 10% 미만의 수분 함량을 갖는다.And at this time, the coffee grounds have a water content of less than 10% from the drying process.
다음으로, 도 1을 참고로 하여 본 발명의 한 예에 따른 축사 깔개의 제조방법을 자세하게 설명한다.Next, with reference to FIG. 1, a method of manufacturing a rug according to an example of the present invention will be described in detail.
먼저, 커피 찌꺼기의 수분 함량을 10% 이내로 떨어뜨리는 건조단계를 수행한다(S10). 건조 단계는 자연광에서 수분을 자연 증발 시키는 방법 또는 고온의 건조로에서 가열하여 건조하는 방법을 이용할 수 있다.First, a drying step of lowering the moisture content of the coffee residue to 10% or less is performed (S10). The drying step may be a method of naturally evaporating water in natural light, or a method of drying by heating in a high temperature drying furnace.
바람직하게는, 다량의 커피 찌꺼기를 건조시키기 위해서, 고온의 건조로 내부에 커피 찌꺼기를 투입하고 교반 작업을 통해 커피 찌꺼기를 휘저으며 건조하는 것이 좋다.Preferably, in order to dry a large amount of coffee grounds, it is preferable to add coffee grounds in a high-temperature drying furnace and stir the coffee grounds by stirring to dry the coffee grounds.
다음으로, 건조단계(S10)에 의해 10% 미만의 수분 함량을 갖는 커피 찌꺼기에 결합재를 첨가하여 커피 찌꺼기를 구형 입자로 가공한다(S20). Next, a binder is added to the coffee grounds having a water content of less than 10% by the drying step (S10), and the coffee grounds are processed into spherical particles (S20).
그런 다음, 구형 입자로 가공된 커피 찌꺼기에 이산화규소(SiO2)를 첨가한다(S30). 이로 인해, 구형 입자로 가공된 커피 찌꺼기가 이산화규소로 코팅된다.Then, silicon dioxide (SiO 2 ) is added to the coffee grounds processed into spherical particles (S30). As a result, coffee grounds processed into spherical particles are coated with silicon dioxide.
이때, 커피 찌꺼기와 이산화규소의 혼합 과정에서, 자광석 분말을 첨가하여 함으로써 커피 찌꺼기와 이산화규소의 혼합물이 전체적으로 균일한 형상을 갖도록 하는 것이 좋다.At this time, it is preferable that the mixture of the coffee grounds and the silicon dioxide is made to have a uniform uniform shape by adding the magnetite powder in the mixing process of the coffee grounds and the silicon dioxide.
그리고 이때, 커피 찌꺼기와 이산화규소의 혼합 과정에서 에틸 셀룰로오스(Ethyl cellulose)를 첨가하여 혼합 안정성을 향상시키는 것이 좋다.At this time, it is preferable to add ethyl cellulose in the mixing process of the coffee grounds and the silicon dioxide to improve the mixing stability.
마지막으로, 구형 입자로 가공된 커피 찌꺼기와 톱밥을 일정한 비율로 혼합한다(S40).Finally, coffee grounds processed into spherical particles and sawdust are mixed at a certain ratio (S40).
이때, 커피 찌꺼기와 톱밥은 1 : 0.3~0.8 중량비로 혼합되는 것이 좋다.At this time, the coffee grounds and the sawdust are preferably mixed at a weight ratio of 1: 0.3 to 0.8.
이러한 방법으로 형성된 축사 깔개를 축사 바닥에 놓으면, 커피 찌꺼기로부터 축사 내부의 냄새를 제거할 수 있다는 효과가 있다.When the housing rug formed in this manner is placed on the floor of the housing, there is an effect that the smell inside the housing can be removed from the coffee grounds.
그리고, 축사 내부의 가축 분뇨가 축사 깔개 위에 올려지게 되면 가축 분뇨가 축사 깔개와 혼합되며 발효되고, 가축 분뇨와 축사 깔개가 혼합된 물질을 퇴비로 사용할 수 있다.When livestock manure inside the house is raised on the rug, the livestock manure is mixed with the rug, and fermented, and the mixture of livestock manure and house rug can be used as compost.
이러한 퇴비는 축사 내부의 가축으로부터 발생하는 가축 분뇨와 톱밥 및 커피 찌꺼기를 포함한다.These composts include livestock manure and sawdust and coffee grounds originating from domestic livestock.
삭제delete
가축 분뇨와 축사 깔개가 혼합 및 발효되어 생성된 이 퇴비는 식물성인 커피 찌꺼기를 포함하기 때문에, 퇴비로 사용하였을 때 인체에 무해하다는 장점이 있다. This compost produced by mixing and fermenting livestock manure and cattle rug has the advantage of being harmless to the human body when used as compost because it contains vegetable coffee grounds.
이상에서 본 발명의 실시예에 대하여 상세하게 설명하였지만 본 발명의 권리범위는 이에 한정되는 것은 아니고 다음의 청구범위에서 정의하고 있는 본 발명의 기본 개념을 이용한 당업자의 여러 변형 및 개량 형태 또한 본 발명의 권리범위에 속하는 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.
Claims (12)
상기 커피 찌꺼기에 결합재를 첨가하여 커피 찌꺼기를 구형 입자로 가공하는 제2단계;
상기 구형 입자로 가공된 커피 찌꺼기에 이산화규소(SiO2)를 첨가하여 혼합하는 제3단계;
상기 이산화규소 혼합 과정에서 자광석 분말과 에틸 셀룰로오스(Ethyl cellulose)을 첨가하는 제4단계; 및
상기 제4단계에서 가공된 커피 찌꺼기와 톱밥을 1 : 0.3~0.8 중량비로 혼합하는 제5단계;를 포함하는 것을 특징으로 하는 축사 깔개 제조방법. A first step of drying the moisture content of the coffee grounds to 10% or less;
A second step of adding a binding material to the coffee grounds to process the coffee grounds into spherical particles;
A third step of adding and mixing silicon dioxide (SiO 2 ) to the coffee grounds processed into the spherical particles;
A fourth step of adding a magnetite powder and ethyl cellulose in the silicon dioxide mixing process; And
And a fifth step of mixing the coffee grounds and the sawdust processed in the fourth step at a weight ratio of 1: 0.3 to 0.8.
상기 결합재는 황토, 지오라이트, 석회석, 자광석 중 어느 하나인 것을 특징으로 하는 축사 깔개 제조방법.8. The method of claim 7,
Wherein the binding material is any one of loess, geolite, limestone, and magnetite.
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| KR20210058114A (en) | 2019-11-13 | 2021-05-24 | 대구대학교 산학협력단 | Method of utilizing miscanthus plant |
| KR102398878B1 (en) * | 2021-10-12 | 2022-05-17 | 경상북도(보건환경연구원장) | Use of coffee grounds to reduce the odor of livestock manure |
| KR20230005510A (en) | 2021-07-01 | 2023-01-10 | 다나농업회사 법인주식회사 | Functional rug composition for livestock |
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| KR102436073B1 (en) * | 2019-05-21 | 2022-08-24 | 신유근 | Eco-friendly flooring for livestock pen and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000287571A (en) | 1999-04-05 | 2000-10-17 | Hitachi Kako Kk | Excreta absorbing material for pet and its production |
| JP2005287369A (en) | 2004-03-31 | 2005-10-20 | Pokka Corp | Litter for rearing cattle |
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| KR910008731B1 (en) * | 1989-12-29 | 1991-10-19 | 정경택 | Method of preparating compost added fine ceramics |
| KR20090120612A (en) | 2008-05-20 | 2009-11-25 | 전영철 | Sawdust fungibility, compost composition and manufacturing method for the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000287571A (en) | 1999-04-05 | 2000-10-17 | Hitachi Kako Kk | Excreta absorbing material for pet and its production |
| JP2005287369A (en) | 2004-03-31 | 2005-10-20 | Pokka Corp | Litter for rearing cattle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20210058114A (en) | 2019-11-13 | 2021-05-24 | 대구대학교 산학협력단 | Method of utilizing miscanthus plant |
| KR20230005510A (en) | 2021-07-01 | 2023-01-10 | 다나농업회사 법인주식회사 | Functional rug composition for livestock |
| KR102398878B1 (en) * | 2021-10-12 | 2022-05-17 | 경상북도(보건환경연구원장) | Use of coffee grounds to reduce the odor of livestock manure |
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