WO2005123629A1 - 焼却灰を利用したリン酸肥料の製造方法及びその製造装置 - Google Patents
焼却灰を利用したリン酸肥料の製造方法及びその製造装置 Download PDFInfo
- Publication number
- WO2005123629A1 WO2005123629A1 PCT/JP2005/011264 JP2005011264W WO2005123629A1 WO 2005123629 A1 WO2005123629 A1 WO 2005123629A1 JP 2005011264 W JP2005011264 W JP 2005011264W WO 2005123629 A1 WO2005123629 A1 WO 2005123629A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- raw material
- phosphoric acid
- phosphate
- phosphate fertilizer
- molten slag
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B3/00—Fertilisers based essentially on di-calcium phosphate
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
Definitions
- the present invention relates to a method and an apparatus for producing a phosphate fertilizer using sludge incineration ash or sewage, night soil, livestock manure, or the like as a raw material.
- Japanese Patent Application Laid-Open No. 2001-80979 discloses that sludge incineration ash containing a large amount of a phosphorus component is used as a raw material, and additives such as magnesium oxide, calcium calcium salt, and a phosphoric acid component are added to the raw material.
- a method for producing a phosphate fertilizer in which a mixed raw material is prepared by caloring, the mixed raw material is melted, rapidly cooled to form slag, and then pulverized.
- 2003-112988 also proposes a method for producing a phosphate fertilizer from sludge incineration ash.
- a coatus, magnesium oxide, calcium oxide and potassium potassium are added to sludge incineration ash having a high phosphorus content and heated in a melting furnace to melt the molten metal and molten slag.
- a method is proposed in which a two-liquid separation state is set in the furnace, the molten slag is selectively discharged into a granulation tank, quenched, and granulated to produce granular slag with a high phosphorus content and metal components removed. Have been.
- the content of the phosphorus component is considered to be constant, and a high-phosphorus additive is added. Therefore, the concentration of the soluble phosphorus in the product varies. If high phosphorus additives are expensive, the incineration ash with a low phosphorus content should be discarded, and if only incineration ash with a high phosphorus content is to be used, it is necessary to separate them. Yes, low phosphorus content The problem of how to treat no incineration ash must be solved. In addition, when expensive phosphate ore or the like is added to incinerated ash having a low content of phosphorus component, a problem arises when the cost of the phosphate fertilizer increases.
- the conventional method for producing phosphorus fertilizer using sludge incineration ash has some disadvantages.
- the present invention solves these problems and changes in the content of phosphorus components.
- the phosphorus content of the incinerated ash of the main raw material was measured before it was put into the melting furnace, and the phosphorus content was low!
- inexpensive high-phosphorus-containing waste is added and mixed to increase the concentration of soluble phosphate in the product to a nearly constant level, and to produce a safe phosphorus fertilizer.
- the purpose is to provide a device.
- the present invention provides a sludge incineration ash containing a phosphorus component as a main raw material, a sub-material containing magnesium, calcium, and Z or potassium components and a reducing agent, and adding the reducing agent in a melting furnace.
- a method of producing phosphate fertilizer by heating and melting at 350 to 1450 ° C, separating the molten slag into two layers of molten metal and molten slag in the melting furnace and flowing out the molten slag, and then rapidly cooling the molten slag in Before adding the auxiliary material and the reducing agent, measure the total phosphoric acid concentration of the main raw material incinerated ash, and if the total phosphoric acid concentration is lower than a predetermined target product concentration, before the melting treatment, In order to determine the proportion of high phosphorus content added, the required amount of phosphorus-containing waste or phosphate ore selected from bone meal, fish meal, and poultry manure is added to the melting furnace to reduce the amount of soluble phosphorus in the product. It is a method for producing phosphate fertilizer, characterized by producing a product with a concentration of ⁇ 25%.
- the present invention provides a molten metal by using sludge incineration ash as a main raw material, adding an auxiliary raw material containing magnesium, calcium, and Z or potassium components and a reducing agent, and heating in an electric resistance melting furnace.
- the present invention relates to a phosphate fertilizer production apparatus characterized in that the proportion of added auxiliary materials is determined.
- Table 1 shows the total concentration of each main component for the maximum, minimum, and average cases of the total phosphoric acid concentration in the incineration ash.
- Table 2 shows the proportion of phosphorus components expected in the product. As can be seen from Tables 1 and 2, when the total phosphoric acid concentration is low, the soluble phosphoric acid concentration (C-PO) also decreases.
- Tables 3 and 4 are close to the incineration ash composition where the total phosphoric acid concentration was the minimum, and the incineration ash composition (Table 3) and the product when the product was manufactured using the raw material incineration ash and adding calcium phosphate
- Table 4 shows that the product made from incinerated ash with a low phosphoric acid concentration and added with calcium phosphate has a quosoluble phosphoric acid concentration of 19.8%.
- Table 2 when the incinerated ash, which has the highest total phosphorus concentration, is used as the raw material, the expected cubic phosphoric acid concentration of the product is 19.3%.
- calcium phosphate (hereinafter referred to as calcium phosphate) was used as a high-phosphate source for a plurality of sewage sludge incineration ashes having different total phosphoric acid concentration contents.
- Table 5 shows the main components of the incinerated ash raw materials (A to D) used for the sample, calcium phosphate (Ca (PO)), phosphate rock, and meat bone that can be used as a high phosphate source.
- Incineration ash A is the incineration ash with the lowest total phosphoric acid concentration (see Table 2), and incineration ash B to D in Table 5 is the incineration ash with a lower total phosphoric acid concentration.
- Table 6 shows that calcium phosphate, phosphate rock, and meat-and-bone meal were burned into the raw sludge incineration ash as sources of high phosphate.
- the mixing ratio of Samples 1 to 6 of the mixed raw material obtained by adding any one of the incinerated ash and further adding magnesium oxide (MgO) and calcium oxide (CaO) is shown.
- Samples 1 to 3 are mixed raw materials to which calcium phosphate was added
- sample 4 was a mixed raw material to which phosphate rock was added
- samples 5 and 6 were mixed raw materials to which meat-and-bone meal incineration ash was added.
- Sample 5 shows the case where the amount of added meat-and-bone meal ash was increased
- Sample 6 shows the case where the amount of added meat-and-bone meal ash was slightly reduced. In all samples, the mixing ratio of incinerated ash exceeded 50%.
- Table 7 shows the soluble phosphoric acid concentration (%) when products were manufactured from samples 1 to 6 in Table 6.
- the production of this product is based on a conventional method of heating a mixed raw material in a melting furnace, separating molten metal and molten slag, discharging molten slag, and then rapidly cooling to produce phosphorus fertilizer.
- meat-and-bone meal incineration ash is used as an additive, a product with a high cubic soluble phosphoric acid concentration is obtained as when calcium phosphate or phosphate rock is used as an additive. .
- the content of the phosphorus component in the sludge incineration ash is measured, and an inexpensive high phosphoric acid source is added as an additive based on the difference between the concentration and the target product.
- This has the effect of producing inexpensive phosphorus fertilizer.
- waste such as bone meal is used as the high phosphorus-containing additive, the amount of waste such as bone meal can be reduced, and the production cost can be reduced. The effect that can be obtained is obtained.
- FIG. 1 is a cross-sectional view schematically showing a phosphate fertilizer production apparatus of the present invention.
- the raw material sludge incineration ash 10 is partially measured for the content of the main component (particularly, the total phosphoric acid content (TPO)).
- the sample is taken as a sample 11 for determination, most of which is mixed with additives 12 to 15 and put into an electric resistance melting furnace 20.
- additives high phosphorus-containing wastes 15 such as magnesium oxide (MgO) 12, calcium oxide (CaO) 13 and incinerated ash from meat-and-bone meal 15 and coatas 14 for making the melting furnace 20 a reducing atmosphere are used. Is done. Magnesium iridani and calcium iridani contained in the incinerated ash are often contained at a substantially constant rate throughout the year (see FIG. 3). ⁇ Calcium 13 and Courtas 14 are added at a certain ratio.
- the supplementary knit may be performed by interrupting a pipe from each additive hopper in the middle of the carrying route.
- the total phosphoric acid content greatly fluctuates depending on the season, and the change in the content directly affects the change in the amount of soluble phosphoric acid.
- High phosphorus content waste 15 Meat-and-bone meal incineration ash and the like (hereinafter referred to as “meat-and-bone meal”) are stored in the container 18.
- high phosphorus content waste 15 high phosphorus content waste including bone meal, fish meal, chicken dung, and bone meal is used.
- a discharge mechanism 19 for discharging and adding a predetermined amount is provided at the bottom of the container 18.
- the addition control unit 17 determines the addition ratio of the meat-and-bone meal necessary for the incineration ash at the present time based on the data obtained by analyzing the sample 11, and outputs a control signal 16 to the release mechanism 19 to release a predetermined amount of the meat-and-bone meal. .
- FIG. 2 shows a block diagram of the addition control device 17.
- the addition control device 17 includes target product concentration input means 31, sample analysis means 32, data storage device 33, total phosphoric acid content determination means 34, addition rate determination means 35, control amount output means 36, and central control. It consists of 37 devices.
- the target product concentration input means 31 is provided based on seasonal fluctuations in the year, market demand trends, laws and regulations (the Fertilizer Control Law), and the like, based on the minimum soluble phosphate concentration of the target product (or the required phosphoric acid concentration of the target product). (Total phosphoric acid concentration) and enter the data.
- the minimum soluble phosphoric acid concentration of the target product is a value exceeding the legal regulations, and the profit is maximized in consideration of the selling price, the total phosphoric acid concentration of all raw materials in the previous fiscal year, and the price of meat and bone meal. May be determined as follows.
- the sample analyzing means 32 analyzes the main component of the sample 11 (or only the total phosphoric acid concentration).
- the data storage device 33 stores the relation data between the phosphoric acid concentration and the total phosphoric acid concentration, and other necessary data.
- the total phosphoric acid content determining means 34 determines the total phosphoric acid content of the target product from the relational data stored in the data storage device 33, and obtains the total phosphoric acid concentration and the difference of the sample.
- the addition ratio determining means 35 calculates the addition ratio of meat-and-bone meal to the present incineration ash.
- the control amount output means 36 determines the control amount at the determined ratio, controls the release mechanism 19, and releases a predetermined amount of meat-and-bone meal.
- a melting furnace 20 is provided with a raw material charging machine 21 and a raw material charging port 22, and the raw material is also charged into the furnace.
- a lining 29 that forms a melting space is attached to the inside of the center of the furnace body 23 to form the inside of the furnace.
- Electrodes 24 and 25 are provided on the upper and lower sides.
- the input raw material 26 is heated and melted.
- the molten raw material is separated into molten slag 27 and molten metal 28, and coexists inside the furnace in a two-liquid separation state.
- the molten metal 28 is discharged from the metal discharge port 30.
- molten slag is discharged from slag outlet 41 Then, the water is introduced into the granulation tank 43 by the water flow trough 42.
- Water 44 is stretched in the granulation tank 43, and the slag flowing into the water becomes granular 45 and accumulates at the bottom of the granulation tank 43.
- harmful substances such as lead, zinc, arsenic, and cadmium contained in the incineration ash are vaporized from a gas discharge port 46 provided at the head of the furnace body 23 and discharged to a processing device (not shown). .
- the above embodiment operates as follows. First, an additive of magnesium oxide 12, calcium oxide 13 and coatas 14 are added to raw material incineration ash 10 at a fixed ratio. At the same time, high-phosphorus-containing waste such as meat-and-bone meal stored in the container 18 or a high-phosphorus additive 15 obtained by mixing calcium phosphate or phosphate ore with the waste is added at the ratio determined by the addition control device 17. The mixed raw material to which these additives 12 to 15 have been added is charged into the raw material charging machine 21, and is charged into the melting furnace 20 from the charging port 22. The mixed raw material charged into the furnace is heated and melted by the electrodes 24 and 25.
- high-phosphorus-containing waste such as meat-and-bone meal stored in the container 18 or a high-phosphorus additive 15 obtained by mixing calcium phosphate or phosphate ore with the waste is added at the ratio determined by the addition control device 17.
- the mixed raw material to which these additives 12 to 15 have been added is charged into the raw material charging machine 21, and is charged into the melting furnace 20
- the mixed raw material When melted, the mixed raw material is separated into molten slag 27 and molten metal 28, and at the same time, a gas (not shown) is generated in the melting process.
- the molten slag 27 and the molten metal 28 accumulate in the melting furnace in a separated state.
- the gas is discharged from a gas discharge port 46 to a processing device (not shown).
- the molten metal 28 accumulated in the furnace is discharged from the metal outlet 30.
- the molten slag 27 is discharged from the slag discharge port 41, flows into the granulation tank 43 by the water stream trough 42, and becomes granular slag 45 and accumulates at the bottom of the granulation tank 43.
- the granulated slag 45 is taken out, crushed finely and commercialized.
- spraying cooling water with a water temperature of 20 to 30 ° C to the slag that is usually carried by a conveyor (not shown), or the ability to crush the slag into particles by cooling with water in the granulation tank For reasons such as saving water, treat at 40-80 ° C using a slag granulator as shown in Fig.5.
- FIG. 5 is a schematic front view showing an arrangement relationship of each part of the slag granulator.
- the molten granulated slag 27 flowing down from the slag discharge port 46 of the melting furnace is fed through a water flow trough 47 into a 50 kg granulation tank. Since the temperature of the cooling water (industrial water) 51 in the granulation tank 50 is constantly rising due to the high temperature of the molten slag, the control valve 49 is operated to inject low-temperature water from the water injection pipe 48 into the granulation tank 50. . While the inside of the tank is stirred by the stirrer 53, the water that has absorbed heat and has been heated is discharged from the drain pipe 54.
- the drain pipe 54 has a pump 55 and a control valve 56.
- a branch pipe 57 is provided on the delivery side of the pump 55, and a cooling coil (or heat exchanger) 58 and a filter 5 are provided on the way. Part of the drainage is returned to the granulation tank 50 via the intermediary 9.
- the temperature of the cooling water 51 is measured by a thermometer 61 attached to a drainpipe 54, and the measured temperature value is input to a controller 60, and the liquid level of the granulation tank 50 is measured by a water level gauge 62. Data is also input to the controller 60.
- the controller 60 controls the control valves 49 and 55 by calculating the temperature and the water level of the cooling water in the granulation tank to be set values. By doing so, the granulated slag 52 granulated is deposited while maintaining the cooling water in the range of 40 to 80 ° C, for example, around 60 ° C.
- a phosphate fertilizer having a solubility of 18.63% was applied to Hiroshimana (Tsukena), and a fertilizer effect test was performed using 0.02 m 2 of Wagner Po Ha / 5000).
- Black soil was used as the test soil, and ammonium sulfate and potassium salt were applied to all the test plots in amounts of 0.7 g each (N and KO).
- the product was applied 0.7 g as phosphoric acid (PO) and grown in a glass greenhouse for 27 days.
- PO phosphoric acid
- the yield index is the fresh weight after harvest and the value of the control fertilizer is 100, and the Po index is the harvest index.
- control fertilizer It is the value of the control fertilizer as 100 based on the amount of P O in the plant. Product is clear compared to phosphoric acid-free area
- FIG. 1 is a cross-sectional view schematically showing a phosphate fertilizer production apparatus of the present invention.
- FIG. 2 shows a block diagram of the auxiliary material addition control device in FIG. 1.
- FIG. 3 is a graph showing a fluctuation state of a main component composition in sludge incineration ash.
- FIG. 4 is a view showing the behavior of heavy metals when raw material incineration ash is treated in a melting furnace in a reducing atmosphere.
- Fig. 5 is a diagram showing an arrangement relationship of each part of the slag granulator.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006514817A JPWO2005123629A1 (ja) | 2004-06-21 | 2005-06-20 | 焼却灰を利用したリン酸肥料の製造方法及びその製造装置 |
EP05751351A EP1767509A4 (en) | 2004-06-21 | 2005-06-20 | METHOD AND APPARATUS FOR PRODUCING PHOSPHATE FERTILIZER USING COMBUSTION BAG |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-182793 | 2004-06-21 | ||
JP2004182793A JP2006001819A (ja) | 2004-06-21 | 2004-06-21 | 焼却灰を利用した燐肥料製造方法及び同製造装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005123629A1 true WO2005123629A1 (ja) | 2005-12-29 |
Family
ID=35509587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011264 WO2005123629A1 (ja) | 2004-06-21 | 2005-06-20 | 焼却灰を利用したリン酸肥料の製造方法及びその製造装置 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1767509A4 (ja) |
JP (2) | JP2006001819A (ja) |
WO (1) | WO2005123629A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009269800A (ja) * | 2008-05-08 | 2009-11-19 | Tokyo Univ Of Agriculture & Technology | Pk複合肥料 |
JP5793232B1 (ja) * | 2014-08-25 | 2015-10-14 | 日本重化学工業株式会社 | 肥料の生産方法 |
JP2015189592A (ja) * | 2014-03-27 | 2015-11-02 | 新日鐵住金株式会社 | りん酸肥料原料及びその製造方法 |
WO2021003789A1 (zh) * | 2019-07-09 | 2021-01-14 | 中国科学院城市环境研究所 | 一种污泥热解生物炭的资源化利用方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4548835B2 (ja) * | 2005-04-21 | 2010-09-22 | 村樫石灰工業株式会社 | 新規りん酸加里複合肥料 |
DE102011008008B4 (de) * | 2011-01-06 | 2015-03-05 | ingitec Engineering GmbH | Schwermetallarmes, modifizierbares, phosphathaltiges, düngewirksames Bodensubstrat |
JP5888720B2 (ja) * | 2011-04-28 | 2016-03-22 | 株式会社クボタ | 肥料の製造方法、及び肥料の製造方法に用いられる回転式表面溶融炉 |
JP5188640B2 (ja) * | 2011-06-27 | 2013-04-24 | 太平洋セメント株式会社 | りん酸肥料、及びその製造方法 |
JP5988684B2 (ja) * | 2012-05-15 | 2016-09-07 | 太平洋セメント株式会社 | りん酸肥料の製造方法 |
JP6022226B2 (ja) * | 2012-06-18 | 2016-11-09 | 太平洋セメント株式会社 | けい酸りん酸肥料の製造方法 |
EP2725001B1 (en) * | 2011-06-27 | 2019-10-02 | Taiheiyo Cement Corporation | Phosphate fertilizer, and method for producing phosphate fertilizer |
JP5954777B2 (ja) * | 2012-06-07 | 2016-07-20 | 太平洋セメント株式会社 | りん酸肥料の製造方法 |
DE102014108199B3 (de) | 2014-06-11 | 2015-05-13 | Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) | Herstellung citratlöslicher Phosphate durch Kalzinierung sekundärer Phosphatquellen mit einer Natrium-Schwefel-Verbindung |
NL2023083B1 (en) * | 2019-05-07 | 2020-11-30 | Axpip Bv | A process for recovering elemental phosphorus |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0891972A (ja) * | 1994-09-21 | 1996-04-09 | Tosoh Corp | 廃燐酸塩含有物より乾式燐酸肥料を製造する方法 |
JPH09328384A (ja) * | 1996-06-07 | 1997-12-22 | N K K Plant Kensetsu Kk | 汚泥溶融固化体の製造方法 |
JP2000169269A (ja) * | 1998-12-04 | 2000-06-20 | Nkk Plant Engineering Corp | 汚泥溶融固化体の製造方法 |
JP2001080979A (ja) * | 1999-07-07 | 2001-03-27 | Japan Sewage Works Agency | 焼却灰を原料とする肥料の生産方法 |
JP2001161315A (ja) * | 1999-12-03 | 2001-06-19 | Takatsugu Kakeida | カルシウム剤 |
JP2003112989A (ja) * | 2001-10-01 | 2003-04-18 | Sanki Eng Co Ltd | 肥料製造方法 |
JP2003112988A (ja) * | 2001-10-01 | 2003-04-18 | Japan Sewage Works Agency | リン肥料製造方法 |
JP2003137539A (ja) * | 2001-10-30 | 2003-05-14 | Masahiro Ogawa | 白色石灰窒素の製造法 |
JP2003176189A (ja) * | 2002-10-31 | 2003-06-24 | Hikoya Matsumoto | 骨灰のりん酸安定製法と肥料への活用 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2729277A1 (de) * | 1977-06-29 | 1979-01-04 | Saarberg Fernwaerme Gmbh | Verfahren zur behandlung von schlaemmen oder aschen, insbesondere von klaerschlamm oder klaerschlammaschen |
WO2006072982A1 (ja) * | 2005-01-06 | 2006-07-13 | Sanki Engineering Co., Ltd | りん酸肥料製造方法およびその装置 |
-
2004
- 2004-06-21 JP JP2004182793A patent/JP2006001819A/ja active Pending
-
2005
- 2005-06-20 EP EP05751351A patent/EP1767509A4/en not_active Withdrawn
- 2005-06-20 JP JP2006514817A patent/JPWO2005123629A1/ja active Pending
- 2005-06-20 WO PCT/JP2005/011264 patent/WO2005123629A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0891972A (ja) * | 1994-09-21 | 1996-04-09 | Tosoh Corp | 廃燐酸塩含有物より乾式燐酸肥料を製造する方法 |
JPH09328384A (ja) * | 1996-06-07 | 1997-12-22 | N K K Plant Kensetsu Kk | 汚泥溶融固化体の製造方法 |
JP2000169269A (ja) * | 1998-12-04 | 2000-06-20 | Nkk Plant Engineering Corp | 汚泥溶融固化体の製造方法 |
JP2001080979A (ja) * | 1999-07-07 | 2001-03-27 | Japan Sewage Works Agency | 焼却灰を原料とする肥料の生産方法 |
JP2001161315A (ja) * | 1999-12-03 | 2001-06-19 | Takatsugu Kakeida | カルシウム剤 |
JP2003112989A (ja) * | 2001-10-01 | 2003-04-18 | Sanki Eng Co Ltd | 肥料製造方法 |
JP2003112988A (ja) * | 2001-10-01 | 2003-04-18 | Japan Sewage Works Agency | リン肥料製造方法 |
JP2003137539A (ja) * | 2001-10-30 | 2003-05-14 | Masahiro Ogawa | 白色石灰窒素の製造法 |
JP2003176189A (ja) * | 2002-10-31 | 2003-06-24 | Hikoya Matsumoto | 骨灰のりん酸安定製法と肥料への活用 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1767509A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009269800A (ja) * | 2008-05-08 | 2009-11-19 | Tokyo Univ Of Agriculture & Technology | Pk複合肥料 |
JP2015189592A (ja) * | 2014-03-27 | 2015-11-02 | 新日鐵住金株式会社 | りん酸肥料原料及びその製造方法 |
JP5793232B1 (ja) * | 2014-08-25 | 2015-10-14 | 日本重化学工業株式会社 | 肥料の生産方法 |
WO2021003789A1 (zh) * | 2019-07-09 | 2021-01-14 | 中国科学院城市环境研究所 | 一种污泥热解生物炭的资源化利用方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1767509A1 (en) | 2007-03-28 |
JPWO2005123629A1 (ja) | 2008-07-17 |
JP2006001819A (ja) | 2006-01-05 |
EP1767509A4 (en) | 2011-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005123629A1 (ja) | 焼却灰を利用したリン酸肥料の製造方法及びその製造装置 | |
Kratzeisen et al. | Applicability of biogas digestate as solid fuel | |
DE102011008008B4 (de) | Schwermetallarmes, modifizierbares, phosphathaltiges, düngewirksames Bodensubstrat | |
Brennan et al. | Reactions of copper with soil affecting its availability to plants. I. Effect of soil type and time | |
US20060130546A1 (en) | Methods for improving crop growth | |
Kumaragamage et al. | Manure phosphorus: Mobility in soils and management strategies to minimize losses | |
Brod et al. | Closing global P cycles: The effect of dewatered fish sludge and manure solids as P fertiliser | |
JP4844941B2 (ja) | 焼却灰を原料とする肥料の生産方法 | |
WO2006072982A1 (ja) | りん酸肥料製造方法およびその装置 | |
Shahabifar et al. | The quantity/intensity relation is affected by chemical and organic P fertilization in calcareous soils | |
Wang | Heavy metal pollution in soils and its remedial measures and restoration in Mainland China | |
Shi et al. | An examination of maximum legal application rates of dairy processing and associated STRUBIAS fertilising products in agriculture | |
Dreshaj et al. | Concentration of toxic metals in agricultural land and wheat culture (Triticum aestivum L.) | |
Shi et al. | Mineral fertiliser equivalent value of dairy processing sludge and derived biochar using ryegrass (Lolium perenne L.) and spring wheat (Triticum aestivum) | |
Guo et al. | A novel amended nitrification inhibitor confers an enhanced suppression role in the nitrification of ammonium in soil | |
Boumalek et al. | Specification of sewage sludge arising from a domestic wastewater treatment plant for agricultural uses | |
Izewska et al. | Yields of grain and straw, their content and ionic proportions of macroelements in maize fertilized with ash from municipal sewage sludge combustion | |
Sitzmann et al. | Testing biowaste materials as peat replacement in organo-mineral fertilizers | |
KR20070023821A (ko) | 소각재를 이용한 인산 비료의 제조 방법 및 그 제조 장치 | |
Evanylo | Land application of biosolids | |
KR100333773B1 (ko) | 석고와 석탄회를 이용한 혼합 토양개량제 및 그 제조방법 | |
Stefankiw | Novel organic amendments to improve soil fertility and plant nutrition | |
Gupta et al. | Effect of different levels of phosphorus and sewage sludge on wheat | |
RU2281273C2 (ru) | Способ получения удобрения и линия для его осуществления | |
Gudichuttu | Phytostabilization of multi-metal contaminated mine waste materials: Long-term monitoring of influence of soil amendments on soil properties, plants, and biota and the avoidance response of earthworms |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006514817 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005751351 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077001300 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 1020077001300 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2005751351 Country of ref document: EP |