KR20100080574A - Bulking agent for organic waste composting - Google Patents
Bulking agent for organic waste composting Download PDFInfo
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- KR20100080574A KR20100080574A KR1020090000002A KR20090000002A KR20100080574A KR 20100080574 A KR20100080574 A KR 20100080574A KR 1020090000002 A KR1020090000002 A KR 1020090000002A KR 20090000002 A KR20090000002 A KR 20090000002A KR 20100080574 A KR20100080574 A KR 20100080574A
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- C—CHEMISTRY; METALLURGY
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- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
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Abstract
Description
본 발명은 유기성 폐기물의 퇴비화를 위한 수분조절제에 관한 것으로, 더욱 상세하게는 축산분뇨(畜産糞尿), 인분(人糞), 음식물쓰레기, 농·수산물가공공장에서 배출되는 폐기물, 식품가공공장에서 배출되는 폐기물, 도축공장에서 배출되는 폐기물과 같은 유기성 폐기물의 퇴비화공정에서 사용하는 수분조절제에 관한 것이다.The present invention relates to a moisture control agent for the composting of organic waste, more specifically, livestock waste (인), phosphorus (人糞), food waste, waste discharged from agricultural and marine processing plants, discharged from food processing plants It relates to a water control agent used in the composting process of organic waste, such as waste, waste from the slaughterhouse.
일반적으로 유기성 폐기물을 호기성 발효를 하여 숙성된 퇴비를 만들 때 팽윤성을 향상토록 하기 위해서 톱밥, 이탄(泥炭, Peat), 초탄(草炭, Peat moss), 야자박(椰子粕), 사탕수수박, 버섯폐재, 밀기울, 수피(Bark), 목재분말, 활성탄, 왕겨, 부엽토와 같은 수분조절제를 주로 사용하는데, 축산분뇨와 같이 함수율이 높은 유기성 폐기물의 경우는 수분조절제의 소모량이 많아서 경제성이 없는 문제점이 있어서 상당량은 아직까지 해양 투기를 함으로써 해양오염을 야기하는 2차적인 문제점이 있다. Generally, aerobic fermentation of organic wastes produces sawdust, peat, peat moss, palm leaves, sugarcane, and mushrooms in order to improve swelling when making mature compost. Moisture control agents such as waste ash, bran, bark, wood powder, activated carbon, rice hull, and foliar soil are mainly used.In the case of organic wastes with high moisture content such as livestock manure, there is a problem in that there is no economic efficiency due to high consumption of moisture control agents. Many still have secondary problems causing marine pollution by ocean dumping.
본 발명은 축산분뇨(畜産糞尿), 인분(人糞), 음식물쓰레기, 농·수산물가공에서 배출되는 폐기물, 식품가공공장에서 배출되는 폐기물, 도축공장에서 배출되는 폐기물과 같은 유기성 폐기물의 퇴비화공정에 적은 수분조절제를 사용하여 퇴비화제조 비용을 절감할 수 있는 수분조절제를 제공하는데 그 목적이 있다.The present invention is applied to the composting process of organic wastes such as livestock manure, phosphorus, food waste, waste discharged from agricultural and marine products processing, waste discharged from food processing plant, waste discharged from slaughterhouse It is an object of the present invention to provide a moisture control agent that can reduce the cost of composting by using a small moisture control agent.
본 발명은 축산분뇨, 인분, 음식물쓰레기, 농·수산물가공에서 배출되는 폐기물, 식품가공공장에서 배출되는 폐기물, 도축공장에서 배출되는 폐기물과 같은 유기성 폐기물의 퇴비화공정에서 사용하는 수분조절제에 있어서, 상기 유기성 폐기물을 호기성 발효를 하여 숙성된 퇴비를 만들 때 톱밥, 이탄(泥炭, Peat), 초탄(草炭, Peat moss), 야자박(椰子粕), 사탕수수박, 버섯폐재, 밀기울, 수피(Bark), 목재분말, 활성탄, 왕겨 또는 부엽토 중에서 한 종류의 수분조절제에 친수성 폴리머를 혼합한 수분조절제를 유기성 폐기물의 퇴비화의 호기성 발효공정에 사용하는 것에 특징이 있다.The present invention is a moisture control agent used in the composting process of organic waste, such as livestock manure, nutrients, food waste, waste discharged from agricultural and marine products processing, waste discharged from food processing plants, waste discharged from slaughterhouses, When aerobic fermentation of organic waste is used to make mature compost, sawdust, peat, peat, Peat moss, palm watermelon, sugarcane, mushroom waste, bran, bark It is characterized by the use of a moisture control agent in which a hydrophilic polymer is mixed with one type of moisture control agent among wood powder, activated charcoal, rice hull or foliar soil in the aerobic fermentation process for composting organic waste.
본 발명은 축산분뇨, 인분, 음식물쓰레기, 농·수산물가공에서 배출되는 폐기물, 식품가공공장에서 배출되는 폐기물, 도축공장에서 배출되는 폐기물과 같은 유기성 폐기물의 퇴비화에서 적은 수분조절제를 사용하여서도 공극률(팽윤성)을 향상시켜 퇴비화를 할 수 있어, 저렴한 비용으로 퇴비화를 할 수 있는 효과가 있음으 로 유기성 폐기물의 퇴비화에 널리 이용될 것을 기대된다.The present invention has a porosity even when using a small moisture control agent in the composting of organic waste, such as livestock manure, phosphorus, food waste, waste discharged from agricultural and fishery processing, waste discharged from food processing plants, waste discharged from slaughterhouses ( It is expected to be widely used for the composting of organic waste because it can improve the swelling property) and composting at low cost.
축산분뇨(畜産糞尿), 인분(人糞), 음식물쓰레기, 농·수산물가공공장에서 배출되는 폐기물, 식품가공공장에서 배출되는 폐기물, 도축공장에서 배출되는 폐기물과 같은 유기성 폐기물을 호기성 발효를 하여 퇴화하는 경우, 톱밥, 이탄(泥炭, Peat), 초탄(草炭, Peat moss), 야자박(椰子粕), 사탕수수박, 버섯 폐재, 밀기울, 수피(Bark), 목재분말, 활성탄, 왕겨, 부엽토와 같은 수분조절제를 혼합하여 함수율을 55∼62wt% 범위로 조정하여 팽윤성(澎潤性)을 향상시켜 통기성을 좋게 하여 호기성 발효숙성하여 완숙된 퇴비를 만든다.Degradation of organic wastes such as livestock manure, phosphorus, food waste, wastes from agricultural and marine processing plants, wastes from food processing plants, and wastes from slaughter plants by aerobic fermentation Sawdust, peat, peat, Peat moss, palm watermelon, sugarcane, mushroom waste, bran, bark, wood powder, activated carbon, rice husk, flounder The same moisture control agent is mixed to adjust the water content in the range of 55 to 62wt% to improve swelling properties and improve breathability to make aerobic fermentation ripening to make mature compost.
축산분뇨의 경우는 함수율이 높아 퇴비화에서 수분조절제의 소요량이 많아 경제성이 없으며, 이를 폐수처리를 하는 경우는 오염부하가 높아서 완벽하게 처리할 수 없는 문제가 있어 현재로서는 거의 대부분을 해양에 투기하고 있는 실정에 있으며, 해양에 투기를 하였을 때는 해양을 오염시켜 적조현상을 야기하는 문제가 있어 사회적인 문제점을 야기하고 있는 실정에 있다.In the case of livestock manure, the water content is high, so it is not economical because there is a large amount of moisture control agent in composting, and wastewater treatment has a problem that cannot be completely processed due to high pollution load. In the present situation, when dumping on the ocean, there is a problem that causes the red tide phenomenon by polluting the ocean, causing social problems.
본 발명은 상기와 같은 문제점을 해결하기 위해서 적은 수분조절제를 사용하여 높은 함수율에서도 원활한 호기성 발효를 하여 완숙된 퇴비를 만들 수 있는 수분조절제를 제공한다.The present invention provides a moisture control agent capable of making a mature compost by a smooth aerobic fermentation even at high moisture content using a low moisture control agent to solve the above problems.
먼저, 유기성 폐기물을 퇴비화에서 사용하는 수분조절제의 조건을 검토하면 첫째 흡수율이 높으면서 공극률(孔隙率)이 우수하여야 하며, 두 번째는 정당한 C/N 비율을 유지할 수 있어야 한다. 그리고는 구입이 용이하면서 가격이 저렴하여야 한 다.First, when reviewing the condition of the moisture control agent used for organic waste in composting, first, the absorption rate should be high and the porosity should be excellent, and the second should be able to maintain a reasonable C / N ratio. And it should be easy to buy and cheap.
일반적으로 유기성 폐기물을 퇴비화 경우 수분조절제로는 주로 톱밥을 이용하는데, 톱밥은 흡수율이 280∼300%로 다른 수분조절제에 비해서 흡수율이 높으면서 C/N비율이 230∼250로 C/N비율이 높은 특징이 있기 때문이다.In general, when composting organic wastes, sawdust is mainly used as a moisture control agent. Sawdust has an absorption rate of 280 to 300% and a high C / N ratio of 230 to 250 with a high absorption rate compared to other moisture control agents. Because of this.
축산분뇨나 음식물쓰레기의 경우는, 함수율이 82∼92wt% 범위로 높으면서 여름철의 경우는 상당부분의 유기물이 액화되어 수용액상태로 존재하기 때문에 고형물의 농도는 5wt% 이하가 되기 때문에 수분조절제의 소모량이 많아 생산된 퇴비의 가격보다 수분조절제의 비용이 높은 경제적인 문제가 있어 퇴비화를 하지 못하고 있는 실정에 있다.In the case of livestock manure or food waste, the moisture content is high in the range of 82-92 wt%, and in summer, a substantial portion of organic matter is liquefied and exists in an aqueous solution state, so the concentration of solids is 5 wt% or less. There is a lot of economic problems that the cost of the moisture control agent than the price of the compost produced a lot of the situation is not composting.
그래서 본 발명에서는 흡수율이 높은, 디메틸 아미노 에틸 메타크리레이트(Dimethyl amino ethyl methacrylate), 디에틸아미노에틸메타크리레이트(Diethyl amino ethyl methacrylate), 디에틸 아미노-2-히드록시 프로필 메타크리레이트(Diethyl amino-2-hydroxypropyl methacrylate), 디메틸 아미노 프로필 메타크리레이트(Dimethyl amino propyl methacrylate), 디에틸아미노에틸메타크릴아미드(Dimethyl amino ethyl methacrylamide), 알긴산 나트륨(Sodium alginate), 폴리 아크릴산(Poly acrylic acid)계, 폴리 N－비닐아세트아미드(Poly N-vinylacetamide)계, 전분, 히드록시에틸셀룰로오스(Hydroxyethyl cellulose), 카르복시메틸셀룰로오스(Carboxymethyl cellulose), 알긴산(Alginic acid), 히알루론산(Hyaluronic acid), 폴리 글루탐산(Polyglutamic acid), 키토산(Chitosan), 리그닌(Lignin), 폴리리신(Polylysine), 견(絹)피브로인(Fibroin), 카세인(Casein), 셀 룰로오스 글리콜산(Cellulose Glycolic acid), 콜라겐(Collagen), 젤라틴(Gelatin), 폴리비닐알코올(Polyvinyl alcohol), 폴리 아크릴 아미드(Polyacrylamide), 폴리 비닐피로리돈(Polyvinylpyrrolidone), 폴리 하이드록시에틸메타크릴레이트(Polyhydroxyethyl methacrylate), 폴리 비닐메틸에테르(Poly vinylmethylether), 폴리 이소부틸렌-말레산(Poly isobutylene-maleic acid), 폴리 2-아크릴 아미도-메틸-1-프로판술폰산(Poly 2-acrylamido-2-methyl-1-propanesulfonic acid), 2-아크릴 아미도-2-메틸프로판 술폰산(2-Acrylamido-2-methyl Propanesulfonic Acid), 폴리비닐 포스폰산(polyvinyl phosphonic acid), 폴리 메타크릴로일옥시에틸 4급화염화암모늄(Poly methacryloyloxyethyl quaternary ammonium chloride), 폴리 4-비닐 피리딘(Poly 4-vinylpyridine), N-N-디메틸-N-(3-아크릴 아미드 프로필)-N-(카르복시메틸) 암모늄[N-N-Dimethyl-N-(3-acrylamidepropyl)-N-(carboxymethyl) ammonium], 폴리에틸렌 글리콜(Polyethylene glycol), 폴리 디옥소란(Poly dioxolane) 또는 폴리에틸렌이민(Polyethyleneimine)과 같은 친수성 폴리머(Polymer), 이들 폴리머의 금속염 또는 에스테르(Ester) 중의 한 종류의 첨가제를, 톱밥, 이탄(泥炭, Peat), 초탄(草炭, Peat moss), 야자박(椰子粕), 사탕수수박, 버섯 폐재, 밀기울, 수피(Bark), 목재분말, 활성탄, 왕겨, 부엽토와 같은 수분조절제에 혼합하여 사용하는 방법을 상세히 검토한 결과, 적은 비용으로 양질의 퇴비를 만들 수 있는 것으로 판명되었다.Therefore, in the present invention, high absorption rate, dimethyl amino ethyl methacrylate (Dimethyl amino ethyl methacrylate), diethyl amino ethyl methacrylate (Diethyl amino ethyl methacrylate), diethyl amino-2-hydroxy propyl methacrylate (Diethyl amino -2-hydroxypropyl methacrylate, dimethyl amino propyl methacrylate, diethyl amino ethyl methacrylamide, sodium alginate, poly acrylic acid, Poly N-vinylacetamide series, starch, hydroxyethyl cellulose, Carboxymethyl cellulose, alginic acid, hyaluronic acid, polyglutamic acid acid, Chitosan, Lignin, Polylysine, Fibroin, Casein, Cellulose Cellulose Glycolic acid, Collagen, Gelatin, Gelatin, Polyvinyl alcohol, Polyacrylamide, Polyvinylpyrrolidone, Polyhydroxyethyl methacrylate (Polyvinylpyrrolidone) Polyhydroxyethyl methacrylate, Poly vinylmethylether, Poly isobutylene-maleic acid, Poly 2-acrylamido-methyl-1-propanesulfonic acid (Poly 2-acrylamido-2-methyl -1-propanesulfonic acid), 2-acrylamido-2-methyl propanesulfonic acid, polyvinyl phosphonic acid, poly methacryloyloxyethyl quaternary salt Poly methacryloyloxyethyl quaternary ammonium chloride, Poly 4-vinylpyridine, NN-dimethyl-N- (3-acrylamide propyl) -N- (carboxymethyl) ammonium [NN-Dimethyl-N- (3-acrylamidepropyl) -N- (carboxymethyl) ammonium], poly Hydrophilic polymers such as polyethylene glycol, poly dioxolane or polyethyleneimine, and additives of one of the metal salts or esters of these polymers are sawdust, peat Mixed with moisture control agents such as Peat, Peat moss, palm watermelon, sugarcane, mushroom waste, bran, bark, wood powder, activated carbon, rice hulls, and hardwood A detailed review of the method found that it was possible to produce good quality compost at low cost.
상기 수분조절제에 친수성 폴리머(Polymer), 이들 폴리머의 금속염 또는 에스테르(Ester) 중의 한 종류를 혼합하는 비율은, 톱밥, 이탄, 초탄, 야자박, 사탕 수수박, 버섯 폐재, 밀기울, 수피, 목재분말, 활성탄, 왕겨 또는 부엽토 중에서 한 종류 이상 혼합한 수분조절제 100중량부에 상기 친수성 폴리머(Polymer), 이들 폴리머의 금속염 또는 에스테르(Ester) 중의 한 종류의 첨가제 0.1∼2중량부를 혼합하여 사용한다. The proportion of the hydrophilic polymer (Polymer), a metal salt of these polymers or ester (Ester) to the moisture control agent is a mixture of sawdust, peat, peat, coconut, watermelon watermelon, mushroom waste, bran, bark, wood powder 0.1 to 2 parts by weight of one of the hydrophilic polymers, metal salts or esters of these polymers are mixed with 100 parts by weight of a moisture control agent mixed with one or more kinds of activated carbon, rice hulls or flounder.
그리고 토양개량의 목적으로 필요에 따라서는 토양개량제는, 수분조절제와 유입되는 유기성 폐기물을 합한 량의 100중량부에 천매암(千枚岩, Phyllite), 황토(黃土), 질석(蛭石, Vermiculite), 일라이트(Illite), 고령토(Kaolin), 제올라이트(Zeolite), 진주암(Perlite), 벤토나이트(Bentonite), 스멕타이트(Smectite), 몬모릴로나이트(Montmorillonite), 개울바닥 흙 또는 점토함량이 25% 이상 되는 산 흙 중에서 한 종류이상 혼합한 것을 0.5∼10중량부를 혼합하여 사용할 수도 있다.For the purpose of soil improvement, if necessary, the soil improver includes phyllite, loess and vermiculite in 100 parts by weight of the sum of the moisture control agent and the introduced organic waste. , Illite, Kaolin, Zeolite, Perlite, Bentonite, Smectite, Montmorillonite, Creek Soil or Clay Soil 0.5-10 weight part of things mixed with one or more types of these can also be mixed and used.
이하 본 발명을 실시 예를 중심으로 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to Examples.
양돈 농장에서, 함수율이 92.2wt%의 축산분뇨가 평균 22톤/일로 배출되는 것에, 함수율이 27wt%인 톱밥 100중량부에 양 이온성 폴리 아크릴 아미드(Poly acrylamide)를 0.3중량부를 혼합한 수분조절제를 평균 11.5톤/일로 혼합하고, 그리고 토양개량의 목적으로 경주 양북에서 출토되는 양이온교환능력(Cation Exchange Capacity, CEC)이 82meq/100g인 벤토나이트(Bentonite) 분말을 평균 500㎏/일을 혼화기(1)에 공급하고, 혼화기 믹서(2)로, 8rpm의 회전속도로 30분간 교반하여 혼화(混和)한 다음, 발효설비 공급 컨베이어(3)로 발효설비(4)에 공급하였다. In pig farms, 92.2 wt% of livestock manure is discharged at an average of 22 tons / day, and 100 wt% of sawdust having 27 wt% of water is mixed with 0.3 parts by weight of positive ionic polyacrylamide. 11.5 tons / day, and 500 kg / day of bentonite powder having a Cation Exchange Capacity (CEC) of 82 meq / 100g from the north of Gyeongju for the purpose of soil improvement. 1), the mixture was stirred and mixed with the mixer mixer 2 at a rotational speed of 8 rpm for 30 minutes, and then supplied to the fermentation equipment 4 by the fermentation
폭 4m× 길이 60m× 퇴비의 퇴적 깊이 4m로 된 2라인의 발효설비(3)에서 로터리 믹서(5)로 1일 2회 뒤집기를 하면서 호기성 발효를 하여 발효숙성 된 퇴비 평 균 8.3톤/일을 생산하여 삽차(6)로 이물질선별기 공급호퍼(7)에 주입한 다음, 진동스크린형의 이물질선별기(8)로 보내어 이물질을 선별한 것을 완숙퇴비 저장호퍼(9)에 주입한 다음, 완숙퇴비 이송 컨베이어(10)로 완숙퇴비 저장설비로 보내었다가, 포장 후 퇴비제품으로 출하하였다. The fermentation averages 8.3 tons / day of fermentation matured by aerobic fermentation with a rotary mixer (5) twice a day in a two-line fermentation plant (3) with a width of 4 m x 60 m x 4 m of compost depth. Produced and inserted into the foreign matter sorter supply hopper (7) by shovel (6), and then sent to the foreign matter sorter (8) of the vibrating screen type to inject foreign matters into the mature compost storage hopper (9), and then transfer the mature compost The
이때 퇴비의 품질을 분석한 결과는 다음 표1의 내용과 같았다.At this time, the results of analyzing the quality of compost were as shown in Table 1 below.
표 1 제조된 완숙퇴비의 품질 분석치Table 1 Quality analysis of manufactured mature compost
상기에서 보는 바와 같이 축산분뇨를 친수성 폴리머를 혼합한 수분조절제를 사용하여 함수율 70wt%로 호기성 발효를 하여도, 종래의 일반 수분조절제를 사용하여 함수율을 60wt%로 조절하였을 때와 대등하게 호기성 발효를 할 수 있음을 알 수 있었다.As described above, even when aerobic fermentation of livestock manure is carried out at a water content of 70 wt% using a hydrophilic polymer mixed with a hydrophilic polymer, the aerobic fermentation is equivalent to that of a conventional moisture control agent at 60 wt%. I could see that.
그리고 상기 표 1에서 보는 바와 같이 유기물 함량, 염분의 함량, C/N비, 양이온교환능력(CEC) 값을 보면 양질의 완숙퇴비임을 알 수 있으며, 함수율이 종래의 일반 수분 조절제를 사용하였을 때는 40∼42wt%보다 다소 높은 것은 친수성 폴리머의 흡수성에 기인하는 것으로 보이며, 각종 중금속 함량은 퇴비 기준치 이내로 존재하며, 이 중금속성분은 사료에 함유되는 성장촉진제 등의 혼합에 인한 것으로 보인다.And as shown in Table 1, the organic content, the salt content, the C / N ratio, and the cation exchange capacity (CEC) value shows that it is a good ripening compost, and the water content is 40 when using the conventional general moisture control agent. Some higher than ~ 42wt% seems to be due to the absorbency of the hydrophilic polymer, the various heavy metal content is within the compost standard value, this heavy metal component seems to be due to the mixing of the growth promoter and the like contained in the feed.
본 발명에서 생산된 퇴비를 가을 배추의 재배에서 기비(基肥)로 시비를 하여 재배를 한 결과, 축산분뇨를 일반 톱밥을 수분조절제로 사용하여 생산된 완숙퇴비를 시비하여 재배한 것과 대등하게 재배되었으며, 도 2에서 보는 바와 같이 본 발명에서 생산된 퇴비의 경우는 친수성 폴리머의 수분보유율이 우수하여, 배추에 수분공급이 좋아서 배추의 잎이 싱싱하게 생육 되고 있음을 알 수 있었다.As a result of cultivating the compost produced in the present invention by fertilization in the cultivation of autumn Chinese cabbage, it was cultivated equally to cultivate the mature compost produced by using livestock manure as a sawdust as a moisture control agent In the case of compost produced in the present invention, as shown in Figure 2, the water retention rate of the hydrophilic polymer was excellent, and it was found that the leaves of the cabbage were freshly grown due to the good water supply to the cabbage.
본 발명의 친수성 폴리머가 함유된 퇴비의 경우는 수분의 흡수성이 우수하면서, 수분보유율이 좋기 때문에 내한성(耐旱性) 좋음으로 급수공급이 원활하지 않은 경사진 산지 등의 지역에서 재배하는 작물의 기비로 매우 적합할 것으로 판단된다.In the case of the compost containing the hydrophilic polymer of the present invention is excellent in water absorption and good moisture retention rate because of good cold resistance (耐旱 性) It seems to be very suitable.
도 1은 유기성 폐기물의 퇴비화공정도1 is a composting process diagram of organic waste
도 2는 퇴비를 시비하여 재배 중인 배추의 사진Figure 2 is a photo of cabbage being grown by fertilizing compost
〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>
1: 혼화기 2: 혼화기 믹서(Mixer)1: Mixer 2: Mixer Mixer
3: 발효설비 공급 컨베이어 4: 발효설비3: fermentation equipment supply conveyor 4: fermentation equipment
5: 로터리 믹서(Rotary mixer) 6: 삽차5: rotary mixer 6: shovel
7: 이물질선별기 공급호퍼 8: 이물질선별기7: Foreign material sorter supply hopper 8: Foreign material sorter
9: 완숙퇴비 저장 호퍼 10: 완숙퇴비 이송 컨베이어9: Full Compost Storage Hopper 10: Full Compost Transfer Conveyor
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| CN108440199A (en) * | 2018-05-09 | 2018-08-24 | 合肥慧明瀚生态农业科技有限公司 | A kind of fertilizer additive and preparation method thereof |
| CN108546204A (en) * | 2018-07-25 | 2018-09-18 | 南京轩凯生物科技有限公司 | A kind of organic-inorganic complex fertilizer master batch and the preparation method and application thereof containing gamma-polyglutamic acid and nucleotide |
| KR102222139B1 (en) * | 2020-07-13 | 2021-03-04 | 주식회사 티에스이앤씨 | Aerobic rapid fermentation accelerator of livestock manure and/or organic waste |
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