JPS6256392A - Manufacture of manure - Google Patents
Manufacture of manureInfo
- Publication number
- JPS6256392A JPS6256392A JP60195477A JP19547785A JPS6256392A JP S6256392 A JPS6256392 A JP S6256392A JP 60195477 A JP60195477 A JP 60195477A JP 19547785 A JP19547785 A JP 19547785A JP S6256392 A JPS6256392 A JP S6256392A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- compost
- human waste
- moisture content
- fermentation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は、し尿汚泥と製紙スラッジを原料とする堆肥
製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for producing compost using human waste sludge and papermaking sludge as raw materials.
〈従来の技術〉
一般にし尿汚泥とは、人糞の汲み取りし尿を処理施設で
生物処理する際、に副生ずる含水率75〜85%(重量
%、以下同じ)の余剰汚泥でおる。また浄化槽汚泥とは
、各建物に付帯して設置される浄化槽から出る汚泥でお
り、生し尿処理施設で処理されるか海洋投棄処分される
。<Prior Art> Generally, human waste sludge is surplus sludge with a water content of 75 to 85% (weight %, the same applies hereinafter) that is produced as a by-product when human excrement is collected and subjected to biological treatment in a treatment facility. Septic tank sludge is sludge produced from septic tanks installed in each building, and is either treated at a human waste treatment facility or dumped into the ocean.
本明細書中では上記したごときし尿汚泥と浄化槽汚泥を
合わせて“し原汚泥パと総称する。In this specification, the above-mentioned human waste sludge and septic tank sludge are collectively referred to as "raw sludge."
かようなし尿汚泥を好気性発酵させて堆肥化するために
は、そのままでは含水率が高いため、オガ屑、モミガラ
、木材チップ等を水分調整材としてし尿汚泥に添加混合
して混合物の含水率を好気性発酵に適した含水率(70
%以下)としたのち好気性発酵させる方法が知られてい
る。In order to compost the human waste sludge through aerobic fermentation, it is necessary to add and mix sawdust, rice husk, wood chips, etc. to the human waste sludge as a moisture regulating material, since the moisture content is high if it is left as is. to a moisture content suitable for aerobic fermentation (70
% or less) and then aerobic fermentation is known.
一方、紙パルプ産業から排出される廃棄物として製紙ス
ラッジが、ある。この製紙スラッジは、紙の製造過程で
発生する汚濁物質のうち濃縮燃焼ないし湿式燃焼の対象
にならない低濃度のりゲニンスルホン酸を主成分とする
パルプ廃液を、凝集沈澱ないし浮上分離などの一次処理
を行なったのち生物学的処理を施す際に副生ずる含水率
65〜75%の余剰汚泥である。On the other hand, paper sludge is a waste product discharged from the pulp and paper industry. This papermaking sludge is a pulp waste liquid whose main component is low-concentration gluegenin sulfonic acid, which is not subject to concentrated combustion or wet combustion, and which is not subject to concentrated combustion or wet combustion, and is processed through primary treatment such as coagulation sedimentation or flotation separation. This is surplus sludge with a moisture content of 65 to 75% that is produced as a by-product when biological treatment is performed.
かような製紙スラッジについても、これを堆肥化する試
みがなされている。例えば、製紙スラッジに肥料三要素
および苦土石灰を添加してロータリーキルンに通し含水
率50%程度の粒状半製品としたのち山積みして熟成、
堆肥化する方法が知られている。Attempts have also been made to compost such paper sludge. For example, three fertilizer elements and magnesium lime are added to papermaking sludge, passed through a rotary kiln to form a granular semi-finished product with a moisture content of about 50%, and then piled up and aged.
A method of composting is known.
〈発明が解決しようとする問題点〉
上述したようにし尿汚泥あるいは製紙スラッジを各々別
個に堆肥原料として利用する方法が従来から検討されて
いるが、そのいずれもがし尿汚泥あるいは製紙スラッジ
の他に副資材を必要とし、加えて、堆肥原料として利用
しうる但は各々の排出量に比べて極く一部であり、その
大部分は生投棄、埋立、焼却、乾燥処理により処分され
ているのが実情である。しかしながら生投棄や埋立の場
合には二次公害の生ずる恐れもあり、また焼却、乾燥処
理の場合には燃料が必要となる。<Problems to be Solved by the Invention> As mentioned above, methods of using human waste sludge or paper manufacturing sludge separately as compost raw materials have been studied, but none of these methods use human waste sludge or paper manufacturing sludge in addition to human waste sludge or paper manufacturing sludge. It requires secondary materials, and in addition, the amount that can be used as compost raw material is only a small portion compared to the amount of each waste, and most of it is disposed of by raw dumping, landfill, incineration, or drying. is the reality. However, in the case of raw dumping or landfilling, there is a risk of secondary pollution, and in the case of incineration or drying, fuel is required.
そこでこの発明は、従来からその処分に困つているし尿
汚泥と製紙スラッジの両方を同時に堆肥原料として有効
に利用できるとともに、その他の副資材を特に必要とし
ない堆肥化方法を提供することを目的としてなされたも
のである。Therefore, the purpose of this invention is to provide a composting method that can effectively utilize both human waste sludge and papermaking sludge, which have conventionally been difficult to dispose of, as compost raw materials at the same time, and does not require any other auxiliary materials. It has been done.
く問題点を解決するための手段〉
すなわちこの発明による堆肥製造方法は、製紙スラッジ
を乾燥して含水率20〜30%とし、この乾燥製紙スラ
ッジをし尿汚泥と混合して含水率60〜70%の混合物
とし、この混合物を好気性発酵させて堆肥化することを
特徴とするものである。In other words, the method for producing compost according to the present invention involves drying papermaking sludge to a moisture content of 20 to 30%, and mixing this dried papermaking sludge with human waste sludge to a moisture content of 60 to 70%. This mixture is characterized by being aerobically fermented and composted.
前述したように、製紙スラッジは通常65〜75%の含
水率を有しているが、この発明においてはこれを乾燥し
て含水率20〜30%とし、この乾燥製紙スラッジを水
分調整材としてし尿汚泥に混合するのである。As mentioned above, papermaking sludge usually has a moisture content of 65 to 75%, but in the present invention, it is dried to a moisture content of 20 to 30%, and this dried papermaking sludge is used as a moisture control material for human waste. It is mixed with the sludge.
製紙スラッジの乾燥には自然乾燥おるいは強制乾燥のい
ずれの方式でも採用できるが、ロータリーキルンを用い
る強制乾燥を採用すれば、粒状の乾燥物が(qられるた
め好ましい。Although either natural drying or forced drying can be used to dry the papermaking sludge, it is preferable to use forced drying using a rotary kiln because it produces granular dried material.
かくして得られた乾燥製紙スラッジを通常75〜85%
の含水率を有するし尿汚泥に添加混合する。この際、混
合物の含水率を好気性発酵に適した60〜70%となる
ように両者の混合割合を適宜調節する。The dry papermaking sludge thus obtained is usually 75-85%
It is added to and mixed with human waste sludge having a moisture content of . At this time, the mixing ratio of both is adjusted as appropriate so that the water content of the mixture becomes 60 to 70%, which is suitable for aerobic fermentation.
、水分調整した混合物は、通気装置および切返し装置を
備えた発酵槽内で好気性発酵させる。The water-adjusted mixture is subjected to aerobic fermentation in a fermenter equipped with an aeration device and a turning device.
発酵過程での切返し回数は、1日1回程度でよい。切返
し操作を過度に行なうと品温か低下してしまうので好ま
しくない。発酵の初期段階(1〜7日目)では易分解性
有機物の分解が主として進み、品温も最高70〜75℃
に上昇する。その後は難分解性有機物が徐々に分解して
いき、品温も30〜60’C程度となる。この後期段階
では通気量も初期段階に比べて少なくてよい。なお、上
述した発酵初期段階終了後は発酵槽内に堆積された原料
は減容し、堆積高が減少する。1つの発酵槽内で引続き
後期発酵段階を施すこともできるが、発酵槽の効率的使
用および発酵期間の短縮という観点から、−次発酵槽と
二次発酵槽を用意し、−次発酵槽で初期発酵を完了した
未完熟堆肥を、二次発酵槽に堆積し直したのち後期発酵
を施して完熟堆肥とすることが好ましい。The number of times of turning during the fermentation process may be about once a day. It is not preferable to perform the turning operation excessively because the product temperature will drop. In the early stages of fermentation (days 1 to 7), the decomposition of easily decomposable organic matter mainly progresses, and the product temperature reaches a maximum of 70 to 75 degrees Celsius.
rise to After that, the persistent organic matter gradually decomposes, and the product temperature becomes about 30 to 60'C. At this later stage, the amount of ventilation may also be lower than at the early stage. Note that after the above-mentioned initial stage of fermentation is completed, the volume of the raw material deposited in the fermenter is reduced, and the pile height is reduced. It is also possible to carry out the later fermentation stage in one fermenter, but from the point of view of efficient use of the fermenter and shortening of the fermentation period, a secondary fermenter and a secondary fermenter are prepared, and the secondary fermenter is It is preferable that unripe compost, which has undergone initial fermentation, is deposited again in a secondary fermentation tank and then subjected to late fermentation to obtain fully ripened compost.
かくして得られる完熟堆肥は一般に含水率35%以下、
炭素率10〜15を有している。The mature compost thus obtained generally has a moisture content of 35% or less,
It has a carbon content of 10 to 15.
かような炭素率の値は堆肥として好ましい数値である。Such a carbon percentage value is a preferable value for compost.
なお、必要に応じて得られた堆肥を篩分けして粒径1〜
5叩の粒状物を製品としてもよい。上記の粒径範囲外の
完熟堆肥は、発M前のし原汚泥−乾燥製紙スラッジ混合
物中に戻して混合することにより、水分調整材的に利用
することができるとともに、好気性発酵に有用な微生物
の種菌ともなるので好ましい。In addition, if necessary, the obtained compost may be sieved to obtain particles with a particle size of 1~
The product may be made of 5-pound granules. Ripe compost outside the above particle size range can be used as a moisture control material by mixing it back into the raw sludge-dried papermaking sludge mixture before M generation, and it can also be used as a moisture control material. This is preferable because it also serves as a seed for microorganisms.
なお、製紙スラッジの帷燥工程で強靭乾燥を施す場合に
は熱源を必要とするが、この発明の好ましい実施態様に
おいては、堆肥原料となるし尿汚泥と製紙スラッジの一
部をメタン発酵させることによってメタンガスを発生せ
しめ、これを熱源として用いることができる。Note that a heat source is required to perform strong drying in the papermaking sludge drying process, but in a preferred embodiment of the present invention, a part of the papermaking sludge and human waste sludge, which will be used as compost raw materials, are subjected to methane fermentation. Methane gas can be generated and used as a heat source.
〈実施例〉
以下に、図面に示すフローシートを参照してこの発明の
好ましい実施例を説明する。原料である製紙スラッジ、
(含水率72%)はホッパー1からロータリーキルン2
へ送り、ここで含水率的25%の粒状乾燥製紙スラッジ
とした。ロータリーキルン2の熱源は後述する埋立処分
場8より発生させたメタンガスを用い、キルンにおける
入口温度は約650℃、出口温度は約150℃とした。<Embodiments> Preferred embodiments of the present invention will be described below with reference to flow sheets shown in the drawings. Paper sludge, which is a raw material,
(moisture content 72%) from hopper 1 to rotary kiln 2
The papermaking sludge was sent to a granular dry papermaking sludge with a moisture content of 25%. The heat source of the rotary kiln 2 was methane gas generated from a landfill 8, which will be described later, and the inlet temperature of the kiln was about 650°C, and the outlet temperature was about 150°C.
一方、し尿汚泥(含水率80%)はホッパー3から供給
し、ホッパー4へ送られた乾燥製紙スラッジと混合し、
上面にスクープ式切返し装置と底面に通気装置を備えた
一次発酵槽5に仕込み、ここで通気、攪拌(1日1回切
返し)下で7日間好気性発酵せしめた。得られた未完熟
堆肥を一次発酵槽と同様な構造の二次発酵槽6へ移し、
通気、1拌下で更に30日間。On the other hand, human waste sludge (water content 80%) is supplied from hopper 3 and mixed with dry papermaking sludge sent to hopper 4.
The mixture was charged into a primary fermenter 5 equipped with a scoop-type turning device on the top and an aeration device on the bottom, and aerobic fermentation was carried out for 7 days under aeration and stirring (turning once a day). The obtained unripe compost is transferred to a secondary fermenter 6 having the same structure as the primary fermenter,
A further 30 days under aeration and 1 stirring.
好気性発酵せしめた。かくして得られた熟成堆肥を分析
した結果は下記のごとくであった。Fermented aerobically. The results of analysis of the aged compost thus obtained were as follows.
含水率 35% T −C312mM a (dry) P2O319,8〃 に20 1.96 u 粗繊維 164〃 T−N 24.3 、。Moisture content: 35% T-C312mM a (dry) P2O319,8〃 20 1.96 u Crude fiber 164 T-N 24.3,.
炭素率 12.8
次いでこの堆肥を篩分機7により篩分けし粒径1〜5u
のものを袋詰めして堆肥製品とした。Carbon rate: 12.8 Next, this compost was sieved by a sieve machine 7 to obtain particles with a particle size of 1 to 5 u.
The materials were packed into bags and made into compost products.
一方上記粒径範囲外のものは一次発酵槽へ戻し、し原汚
泥−乾燥製紙スラッジ混合物中に戻し堆肥として混合し
、含水率60〜70%の仕込み原料混合物の調整に用い
た。混合割合の一例を示すと、し尿汚泥(含水率80%
):乾燥製紙スラッジ(含水率25%):戻し堆肥(含
水率35%)=10:4:4(重量比)とすることによ
って含水率57.7%の仕込み原料混合物が得られた。On the other hand, particles outside the above particle size range were returned to the primary fermenter, mixed back into the raw sludge-dried papermaking sludge mixture as compost, and used to prepare a raw material mixture with a moisture content of 60 to 70%. An example of the mixing ratio is human waste sludge (water content 80%).
): dried papermaking sludge (moisture content 25%): returned compost (moisture content 35%) = 10:4:4 (weight ratio), a raw material mixture with a water content of 57.7% was obtained.
前述したようにこの実施例においては、堆肥原料として
使用しなかったし尿汚泥および製紙スラッジは埋立処分
場8内に埋立てた。ここでこれらの廃棄物をメタン発酵
せしめ、発生するメタンガスをガス収集管9により集め
、ガス中間貯槽10を経てガス貯槽11に貯えた。この
メタンガスをロータリーキルン2へ送って製紙スラッジ
の乾燥用熱源として利用することによって、し尿汚泥と
製紙スラッジの総合的処理システムを提供することがで
きる。As described above, in this example, human waste sludge and paper sludge that were not used as compost raw materials were buried in the landfill site 8. Here, these wastes were subjected to methane fermentation, and the generated methane gas was collected through a gas collection pipe 9 and stored in a gas storage tank 11 via an intermediate gas storage tank 10. By sending this methane gas to the rotary kiln 2 and using it as a heat source for drying papermaking sludge, it is possible to provide a comprehensive treatment system for human waste sludge and papermaking sludge.
試験例
上記で得られた堆肥の秋冬野菜に対する施用試験を行な
った。Test Example A test was conducted on the application of the compost obtained above to autumn and winter vegetables.
作 目 :ブロッコリー、キャベツ(早生)。Crop: Broccoli, cabbage (early).
白菜、カブラ、大根、ホーレン草
面 積 :各区 2,8a
耕種概要:
9月2日 本発明による堆肥および化成肥料の基肥、苦
土石灰施用耕起
9月4日 苗定植(8月20日播種O7ロッコリー、キ
ャベツ、白菜)
9月5日 直播く白菜、カブラ、大根、ホーレン草)
9月25〜28日 追肥、中耕土寄せ、除草剤散布2間
引き
施肥量:(10a当り)
註)*化成肥料の3要素成分(%)
PK
化成肥料A 15.00 15.00 io、o。Chinese cabbage, turnip, radish, spinach Area: 2,8a in each district Cultivation overview: September 2nd: Compost and chemical fertilizer base fertilizer according to the present invention, plowing with magnesium lime applied September 4th: Seedling planting (sowing on August 20th) O7 Roccoli, cabbage, Chinese cabbage) September 5th Direct sowing Chinese cabbage, turnip, radish, spinach) September 25th to 28th Top dressing, inter-tillage, soiling, herbicide application 2 thinning Fertilization amount: (per 10a) Note) *Chemical fertilizer Three element components (%) PK Chemical fertilizer A 15.00 15.00 io, o.
化成肥料B・17.00 0 17.00試験結
果:
10月〜12月に各作物を収穫し、収量指数および品質
を作物別にまとめた結果を下表に示す。Chemical Fertilizer B・17.00 0 17.00 Test Results: Each crop was harvested from October to December, and the results of the yield index and quality for each crop are shown in the table below.
註) 申 試験区1の収量を100とした収量指数。Note: Yield index with the yield of test plot 1 as 100.
傘拳 上下、下、中、上、上上の5段階評価による。Umbrella fist: Based on 5-level evaluation: top, bottom, middle, top, and top.
上表から明らかなように、本発明による堆肥を施用した
試験区2と3は施用しない試験区1に比べて収量および
品質に優れ、いずれも堆肥施用による悪影響は全く認め
られなかった。As is clear from the above table, test plots 2 and 3 to which the compost of the present invention was applied had superior yield and quality compared to test plot 1 to which no compost was applied, and no adverse effects were observed in either case due to the application of the compost.
〈発明の効果〉
以上説明したようにこの発明によれば、いずれもその処
分に困っているし尿汚泥と製紙スラッジを堆肥原料とし
て利用し、他の副資材を用いずども作物に有効に施用す
ることができる熟成堆肥を得ることができる。<Effects of the Invention> As explained above, according to the present invention, human waste sludge and papermaking sludge, both of which are difficult to dispose of, can be used as compost raw materials and can be effectively applied to crops without using other auxiliary materials. It is possible to obtain aged compost.
特に、製紙スラッジの乾燥用熱源として、し尿汚泥およ
び製紙スラッジのメタン発酵により発生するメタンガス
を利用することによって、し尿汚泥と製紙スラッジの総
合的処理システムが可能となる。In particular, by using methane gas generated by methane fermentation of human waste sludge and paper manufacturing sludge as a heat source for drying paper manufacturing sludge, a comprehensive treatment system for human waste sludge and paper manufacturing sludge becomes possible.
添付図面はこの発明の好ましい実施例を示すフローシー
トである。
1・・・製紙スラッジホッパー、2・・・ロータリーキ
ルン、3・・・し尿汚泥ホッパー、4・・・乾燥製紙ス
ラッジホッパー、5・・・−次発酸槽、6・・・二次発
酵槽、7・・・篩分機、8・・・埋立処分場、11・・
・メタンガス貯槽。The accompanying drawings are flow sheets illustrating preferred embodiments of the invention. 1... Paper sludge hopper, 2... Rotary kiln, 3... Human waste sludge hopper, 4... Dry paper sludge hopper, 5...-Secondary acid generation tank, 6... Secondary fermentation tank, 7... Sieving machine, 8... Landfill disposal site, 11...
・Methane gas storage tank.
Claims (1)
し、この乾燥製紙スラッジをし尿汚泥と混合して含水率
60〜70重量%の混合物とし、この混合物を好気性発
酵させて堆肥化することを特徴とする堆肥の製造方法。 2、製紙スラッジの乾燥をメタンガスを熱源とする強制
乾燥により行ない、このメタンガスをし尿汚泥および製
紙スラッジをメタン発酵せしめて発生させる特許請求の
範囲第1項記載の堆肥の製造方法。[Claims] 1. Dry papermaking sludge to a moisture content of 20 to 30% by weight, mix this dried papermaking sludge with human waste sludge to form a mixture with a moisture content of 60 to 70% by weight, and apply this mixture to an aerobic A method for producing compost, which is characterized by fermentation and composting. 2. The method for producing compost according to claim 1, wherein papermaking sludge is dried by forced drying using methane gas as a heat source, and the methane gas is generated by methane fermentation of human waste sludge and papermaking sludge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60195477A JPS6256392A (en) | 1985-09-04 | 1985-09-04 | Manufacture of manure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60195477A JPS6256392A (en) | 1985-09-04 | 1985-09-04 | Manufacture of manure |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6256392A true JPS6256392A (en) | 1987-03-12 |
Family
ID=16341736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60195477A Pending JPS6256392A (en) | 1985-09-04 | 1985-09-04 | Manufacture of manure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6256392A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0199583A (en) * | 1987-10-14 | 1989-04-18 | Sophia Co Ltd | Pinball machine |
WO2006088124A1 (en) * | 2005-02-17 | 2006-08-24 | Kenichi Iwabuchi | Method of treating paper industry sludge by fermentation, article comprising product of the fermentation treatment, method of treating organic waste by fermentation, and article comprising the product |
JP2006223976A (en) * | 2005-02-17 | 2006-08-31 | Kenichi Iwabuchi | Method for fermentation of organic waste and product using it |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52150276A (en) * | 1976-06-05 | 1977-12-13 | Miyoshi Suzue | Molded fertilizer material |
JPS5523072A (en) * | 1978-08-08 | 1980-02-19 | Susumu Kiyokawa | Fertilizer |
JPS5537438A (en) * | 1978-09-08 | 1980-03-15 | Kojin Kk | Fermented manure of pulp sludge |
JPS56105799A (en) * | 1980-01-29 | 1981-08-22 | Tokai Pulp Kk | Preparation of manure by suction method of paper manufacturing sludge |
-
1985
- 1985-09-04 JP JP60195477A patent/JPS6256392A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52150276A (en) * | 1976-06-05 | 1977-12-13 | Miyoshi Suzue | Molded fertilizer material |
JPS5523072A (en) * | 1978-08-08 | 1980-02-19 | Susumu Kiyokawa | Fertilizer |
JPS5537438A (en) * | 1978-09-08 | 1980-03-15 | Kojin Kk | Fermented manure of pulp sludge |
JPS56105799A (en) * | 1980-01-29 | 1981-08-22 | Tokai Pulp Kk | Preparation of manure by suction method of paper manufacturing sludge |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0199583A (en) * | 1987-10-14 | 1989-04-18 | Sophia Co Ltd | Pinball machine |
WO2006088124A1 (en) * | 2005-02-17 | 2006-08-24 | Kenichi Iwabuchi | Method of treating paper industry sludge by fermentation, article comprising product of the fermentation treatment, method of treating organic waste by fermentation, and article comprising the product |
JP2006223976A (en) * | 2005-02-17 | 2006-08-31 | Kenichi Iwabuchi | Method for fermentation of organic waste and product using it |
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