JP2012224752A - Method for producing biomass fuel, device for producing the same, biomass fuel, and information management method and system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for producing inexpensive and odor-eliminated biomass fuel, a device for producing the same, a biomass fuel produced thereby, and information method and system therefor.SOLUTION: (1) The method for producing biomass fuel comprises: a mixing step of preparing a mixture of used active charcoal having odor adsorbing performance and sludge. (2) The device for producing biomass fuel comprises a dehydration device used in a dehydration step and a drying device used in a drying step or a mixing device. (3) The biomass fuel including sludge and used active charcoal having odor adsorbing performance is produced by the method for producing biomass fuel of (1) or the device for producing biomass fuel of (2). The information management method for biomass fuel includes an information management facility which mutually shares information among various facilities involved in the production of the biomass fuel. The information management system includes an information storage means for storing the information and a communication means for the information.

Description

  The present invention relates to a method for producing biomass fuel including sludge and used activated carbon, a production apparatus thereof, a biomass fuel produced by them, and an information management method and system thereof.

Sewage sludge and the like are currently used as raw materials for cement and are also used as fertilizer by composting, but the parts that are not reused have been treated by being dehydrated and incinerated and then landfilled.
However, recently in Japan, where energy resources are scarce, fuel is being promoted to make the best use of sludge. There are many problems that need to be solved in the course of fuel conversion, but in that case, it is important to reduce the moisture of sludge as much as possible to improve the lower heating value and to suppress the generation of bad odor from sludge fuel.

When sludge is turned into fuel, it is roughly divided into two methods: drying treatment and carbonization treatment.
In the separation liquid drying method, sludge is dehydrated and dried to reduce the moisture content, and granulated as necessary. In the carbonization treatment, sludge is dehydrated and dried, and then heated to obtain a carbide.

  Carbonized sludge produced by the carbonization method has a low odor concentration, but part of the combustible component (organic matter) is gasified in the carbonization process, resulting in an increase in ash content, resulting in a low calorific value per unit mass. Become. On the other hand, since almost all combustible components remain in the dried sludge, the calorific value per unit mass is several tens of percent higher than that of the carbonized sludge, but a strong odor remains.

  Patent Document 1 is disclosed as a technique for reducing malodor of dried sludge produced by a drying method.

  In this document, powdered activated carbon having a particle size of 500 μm or less is attached on the surface of a dried granulated product produced from biomass such as sewage sludge, and the odor is absorbed by the attached activated carbon to reduce the amount of odor generation.

JP 2008-297508 A

Patent Document 1 discloses that a deodorizing effect is obtained by attaching activated carbon. Activated carbon is expensive (about 600 yen / kg of new coal, 350 yen / kg of regenerated coal), and even if a small amount of addition, for example, 5% of new coal is added, the price of new coal in dry sludge is about 30 yen / It becomes a high price of kg dry sludge (30,000 yen / t) or more, which is a major impediment to practical use. Reducing this price to a practical price was an important issue.
This invention solves the said subject, and provides the manufacturing method of the biomass fuel deodorized at low price, its manufacturing apparatus, the biomass fuel manufactured by them, and its information management method and system. is there.

Means for solving the above problems are as follows.
1) A method for producing biomass fuel, comprising a mixing step of preparing a mixture of used activated carbon having odor adsorbing ability and sludge.
2) The mixing step includes a step of preparing a mixture of the dehydrated sludge from which the sludge has been dehydrated in the dehydration step A or the dried sludge dried in the drying step A and the used activated carbon. A method for producing biomass fuel.
3) The mixing step includes a dehydration step B in which the sludge and the used activated carbon are mixed and then dehydrated, or a drying step B in which the dehydrated sludge in the dehydration step B is further dried. 2) A method for producing biomass fuel.
4) The method for producing biomass fuel according to any one of 1) to 3) above, wherein the used activated carbon is granular activated carbon.
5) The method for producing biomass fuel according to any one of 1) to 4) above, wherein the used activated carbon is used in a step of purifying raw water of drinking water (drinking water).
6) The dehydration apparatus used in the dehydration process A of 2) or the dehydration process B of 3) and the drying apparatus used in the drying process A of 2) or the drying process B of 3), or 2 The biomass fuel manufacturing apparatus including the mixing apparatus used in the step of preparing the mixture.
7) A biomass fuel containing sludge and spent activated carbon having an odor adsorbing capacity produced by the method for producing biomass fuel according to any one of 1) to 5) above or the biomass fuel producing apparatus according to 6) above.

8) Facility a: one or more facilities that produce the sludge, and information including at least the daily generation amount, the moisture content, the annual fluctuation of the generation amount and the moisture content, and the planned generation amount of the sludge A facility that can be shared with at least the information management facility f,
Facility b: One or more water purification facilities producing used activated carbon having odor adsorbing capacity, and at least daily generation amount, water content, generated amount and water content of the used activated carbon having odor adsorbing capacity Facilities that can share information, including annual fluctuations and planned generation amounts, at least with the information management facility f,
Facility c: a biomass fuel production facility for producing the biomass fuel of 7) above from the sludge of the facility a and the used activated carbon of the b, wherein the biomass fuel has at least daily production, annual fluctuation, and A facility capable of sharing information including the planned production volume with at least the information management facility f,
Facility d: a facility for using the biomass fuel, wherein information including at least daily consumption, annual fluctuation, and planned consumption of the biomass fuel is shared with at least the information management facility f Possible facilities, and facility e: a method for managing said information for a facility comprising at least a transportation management facility that manages a transportation system that interconnects said facilities a, b, c, and d. ,
The information management facility shares the information between f, the facilities a, b, c, d, and e;
Information management method for biomass fuel.
9) The biomass fuel information management method according to 8), wherein at least two of the facilities a, b, c, d, e, and f are on the same site.

10) Facility a: Information on one or more facilities that produce the sludge, including at least the daily generation amount, the moisture content, the annual variation of the generation amount and the moisture content, and the planned generation amount of the sludge. A facility comprising an information storage means for storing the information and a communication means capable of sharing the information with at least the information management facility f. Facility b: One used to produce a used activated carbon having an odor adsorbing ability. Stores information including at least daily generation amount, moisture content, annual fluctuation of the generation amount and the moisture content, and planned generation amount of the used activated carbon having the odor adsorbing ability at more than one location Facility comprising information storage means and communication means capable of sharing the information with each other at least between the information management facilities f Facility c: The sludge of the facility a, and the used activated carbon of the b To biomass 7) above A biomass fuel production facility for producing a feedstock, wherein information storage means for storing information including at least a daily production amount, an annual variation, and a planned production amount of the biomass fuel, and at least an information management facility f A facility comprising a communication means capable of sharing the information
Facility d: a facility for using the biomass fuel, between the information storage means for storing information including at least daily consumption, annual variation, and planned consumption of the biomass fuel, and at least the information management facility f A facility comprising communication means capable of sharing the information with each other; and facility e: at least a transportation management facility that manages a transportation system that mutually communicates between the facilities a, b, c, and d A system for managing the information for a facility,
The information management facility f includes information storage means for storing information that can be shared among the facilities a, b, c, d, and e, and the facilities a, b, c, d, and e at least communication means capable of sharing the information between each other,
Information management system for biomass fuel.

  In order to solve the above-mentioned problems, the present invention has been conceived as a result of an experimental investigation focusing on the use of used activated carbon in a water purification plant that is disposed of as a large amount of industrial waste for a fee. The used activated carbon is not all disposed as industrial waste, but may be reused as recycled charcoal and effectively used as agricultural material.

  By the way, water purification plants are constructed to purify water taken from water sources such as rivers, lakes and marshes and to supply municipal water as tap water. In recent years, water sources have become polluted due to eutrophication of closed water bodies such as lakes and marshes, and inflow of domestic wastewater into rivers, etc., especially with a strange smell remaining in tap water due to the occurrence of plankton abnormalities due to eutrophication, etc. That became a big problem. This heterogeneous taste component cannot be removed even by the coagulation sedimentation treatment, which is the main treatment of the water purification plant, and an activated carbon adsorbing device is additionally provided in the subsequent stage for advanced treatment. For the design of the activated carbon adsorption device, an adsorption isotherm is created to determine the filling capacity, incidental equipment related to activated carbon exchange, LV (linear velocity), SV (space velocity), and the like. The COD of the tap water source is 3 to 10 mg / L, and the coagulation precipitation treated water is activated carbon raw water, so the COD of the activated carbon treated water is as low as around 1 mg / L.

  Further, the adsorption isotherm of the off-flavor component, which is the main purpose of the activated carbon adsorption treatment, is shown in the literature (Kashihara Infilco Time Report, No. 100, 1989) (see FIG. 1 of the present application). As shown in Fig. 1, the saturated adsorption amount of 2-methylisoborneol (mold odor produced by cyanobacteria), which is a typical off-flavor component of tap water, and the carcinogenic substance trihalomethane precursor are extremely low. I understood. On the other hand, the standard for tap water of 2-methylisoborneol is 0.00001 mg / L (0.01 μg / L) or less, and the saturated adsorption amount of activated carbon for reducing to this concentration is 0.1 mg / g-activated carbon. Become.

  In general, used activated carbon is not reused, and it is expected that used activated carbon cannot be used for odor components that have low odor components, especially strong odors like odor components. Recalling the possibility of deodorization, a deodorization test was conducted. As a result, it was found that the used activated carbon has a deodorizing effect and a deodorizing effect, although it does not reach the performance of the new coal, and can be put into practical use, and the present invention has been found.

  Spent activated carbon generated from business sites is treated as industrial waste and is disposed of for a fee of around 10,000 yen / t. However, by converting it to biomass fuel, it becomes a valuable resource and the cost of purchasing new coal will be zero. As the sludge fuel is promoted, it becomes an important alternative energy in Japan, and the consumption of fossil fuel can be reduced by increasing the amount of biomass fuel used, thereby contributing to the prevention of global warming.

It is a graph which shows the adsorption isotherm of activated carbon in the activated carbon adsorptivity performance test with respect to off-flavor components. It is a figure explaining the process for manufacturing biomass fuel based on embodiment of this invention. It is a figure explaining the process for manufacturing biomass fuel based on embodiment of this invention. It is explanatory drawing which shows an example of the embodiment of the information management of this invention.

Hereinafter, the present invention will be described in detail.
The used activated carbon (hereinafter also simply referred to as “activated carbon”) having an odor adsorbing ability used in the present invention is a normal purification process at a water purification plant for supplying clean water (drinking water) or an equivalent equipment. Means activated and discarded activated carbon.
Moreover, the activated carbon used in the present invention is not particularly limited in shape, but is preferably granular activated carbon. Here, the granular activated carbon means that the particle diameter according to the standard of JIS K 1474: 2007 is 150 μm or more.
The sludge used in the present invention is organic sludge such as primary sludge, methane fermentation sludge, septic sludge, surplus sludge, etc. discharged in a process of treating organic substances such as sewage, manure, and soot.

Next, the manufacturing method of this invention is demonstrated.
The mixing step in the production method of the present invention is a step of preparing a mixture of activated carbon and sludge.
Although this invention can manufacture biomass fuel only by a mixing process, it can include the dehydration process which dehydrates sludge, the drying process which dries sludge, etc.
Activated carbon can be added at any step of the biomass fuel production process. For example, at least one of the dehydration step and the drying step can be performed in the presence or absence of activated carbon.
The mixing step includes a step of preparing a mixture of the dehydrated sludge from which the sludge has been dehydrated in the dehydration step A or the dried sludge dried in the drying step A and the used activated carbon, or the mixing step includes It is preferable to include a dehydration step B in which the sludge and the used activated carbon are mixed and then dehydrated, or a drying step B in which the dewatered sludge in the dehydration step B is further dried. Here, the terms dehydration step A, dehydration step B, drying step A, and drying step B are used, but are distinguished for convenience, and in the dehydration step A and drying step A, activated carbon is not necessarily used. It doesn't mean.
In the present invention, various processes described above for producing biomass fuel can be configured by the moisture content of sludge. For example, the following configurations are exemplified.
1) Method of performing dehydration step A, drying step A, and mixing step in this order In dehydration step A, for example, sludge having a moisture content of 95 to 99% is dehydrated in the absence of activated carbon. For this dehydration, a tempering method using a flocculant may be applied if desired. Dehydration can usually be performed at a water content of 80% or less using a centrifuge, a press, a screen, or the like. Here, the moisture content is 100% of the water mass of the water relative to the mass of the sludge containing water.
The drying step A is, for example, a step of drying the dehydrated sludge (hereinafter also referred to as dehydrated sludge). Usually, the dried sludge is prepared such that the moisture content is 0 to 30% and dried. The Hereinafter, this dried sludge is called dry sludge. In addition to heating means using a heat fluid (eg, gas such as steam, liquid such as hot water), a solid heat source (ceramic, metal, etc.) as a heat source, the drying apparatus physically applies power to sludge. Further, it may have a forming means that can be formed into a desired shape, for example, a granular shape.
The mixing step is, for example, a step of mixing the dehydrated sludge and activated carbon. Here, the mixing only needs to satisfy that at least the activated carbon is attached (mixed) to the dewatered sludge, and the distribution of the activated carbon in the sludge is not limited, and may be on the surface, inside, or both. The activated carbon is usually contained in an amount of 10 to 50% by mass, preferably 30% or more by mass with respect to the dried sludge.

2) Method of performing drying process B which dries the mixture of dehydrated sludge and activated carbon after dehydration process B which dehydrates the mixture of sludge and activated carbon Dehydration process B is, for example in the above-mentioned dehydration process A, Except for the coexistence of activated carbon, the above processing conditions, processing equipment, etc. can be applied. When activated carbon coexists, activated carbon has the effect of facilitating water discharge. The mixing ratio of the mixing step is applied to the amount of activated carbon. Moreover, the dehydrated sludge containing activated carbon obtained by the process of the dehydration process B (hereinafter also referred to as activated carbon-containing dehydrated sludge) is subjected to a drying process in the drying process B to produce biomass fuel. As the application device and the like in the drying step B, the same devices as those in the drying step A are applied. The activated carbon-containing dewatered sludge is preferably dried so that the sludge in the activated sludge has a moisture content of the dried sludge.

Next, the biomass fuel information management method and system of the present invention will be described.
The information management method of the present invention includes an information management facility that shares arbitrary information among the following facilities.
The information management system of the present invention includes an information storage unit that stores arbitrary information that can be shared among the following facilities, and a communication unit that can share the information between the facilities. At least.

The facility a is one or more facilities that produce sludge. As this facility a, sludge having various moisture contents can be produced. For example, concentrated sludge, dewatered sludge, dried sludge and the like can be mentioned.
The facility a is a facility capable of sharing any information related to the production of the sludge with at least an information management facility. Examples of the information include at least the daily generation amount, water content, annual fluctuation between the generation amount and the water content, and the planned generation amount of the sludge. The information is stored in an arbitrary information storage unit. Examples of the information storage means include information storage means such as a personal computer or a server, such as a hard disk. Further, the information can be shared with at least the information management facility by any communication means. Examples of the communication means include the Internet such as a personal computer or a server. The facility a can share information with at least one of the following facilities in addition to the information management facility. The same applies to the following facilities.

The facility b is one or more water purification facilities that produce activated carbon. Examples of the facility b include water treatment facilities such as drinking water and industrial water.
The facility b is a facility capable of sharing any information related to the production of the activated carbon with at least an information management facility. Examples of the information include at least the daily generation amount, water content, annual fluctuation between the generation amount and the water content, and the planned generation amount of the activated carbon. The information is stored in an arbitrary information storage unit. Examples of the information storage means include the same as the facility a. Further, the information can be shared with at least the information management facility by any communication means. Examples of the communication means include those described above.

The facility c is a facility for producing biomass fuel from the sludge of the facility a and the activated carbon of the b by the method of the present invention. This facility may also be provided at a plurality of locations as described above.
The facility c is a facility capable of sharing any information regarding the production of the biomass fuel with at least an information management facility. The information includes at least daily production, annual fluctuation, planned production, etc. of the biomass fuel. The information is stored in an arbitrary information storage unit. Examples of the information storage means are the same as those for the facilities a and b. Further, the information can be shared with at least the information management facility by any communication means. Examples of the communication means include those described above.

The facility d is a biomass fuel utilization facility. This facility may also be provided at a plurality of locations as described above. Examples of this facility include a power plant.
The facility d is a facility capable of sharing any information related to consumption of the biomass fuel with at least an information management facility. The information includes at least daily consumption, annual fluctuation, planned consumption, etc. of the biomass fuel. The information is stored in an arbitrary information storage unit. Examples of the information storage means are the same as those in the above facility. Further, the information can be shared with at least the information management facility by any communication means. Examples of the communication means include those described above.

  The facility e is a transportation management facility that manages a transportation system that interconnects the facilities a, b, c, and d. This facility may also be provided at a plurality of locations as described above. This facility includes, for example, a distribution center capable of sharing information. Examples of the transportation system include a system that monitors and controls the operation of transportation means such as cars, railroads, and airplanes.

Next, an example of the aspect for manufacturing the biomass fuel of this invention is demonstrated with reference to figures.
In FIG. 2, the sludge 1 is introduced into the dehydration step 2 and dehydrated to prepare the dehydrated filtrate 9 and the dehydrated sludge 3, and the dehydrated sludge 3 is introduced into the drying step 4 and subjected to a drying process. The dried sludge 5 prepared in the drying step 4 is mixed with the activated carbon 7 in the mixing step 6 and taken out as a deodorized biomass fuel 8. If the sludge 1 is concentrated in advance, the dewatering efficiency is better. In the dehydration step 2, a tempering method using a known flocculant or a known dehydrator can be used. The water content of the dewatered sludge is desirably 80% or less. In the drying step 4, a known dryer can be used. When dry sludge is granulated using a granulation dryer, a biomass fuel that is easy to handle as fuel can be produced. The moisture content of the dried sludge is 10% or less, preferably several% or less. A known mixer can be used for the mixing step, but a small stirring strength is sufficient. Mixing can also be performed using a screw conveyor. The activated carbon 7 to be mixed is effective even if it contains water, but the dried one has a greater deodorizing effect, so it is preferably dried and mixed.

Next, another embodiment for producing biomass fuel is shown in FIG.
The sludge 1 is introduced into the dewatering and mixing step 12, mixed with the activated carbon 7, and then conditioned by a known flocculant, and then dehydrated to prepare the dehydrated filtrate 9 and the activated carbon-containing dehydrated sludge 13. Addition of activated carbon forms a route through which water escapes, so that dehydration is facilitated and the water content decreases. The activated carbon-containing dehydrated sludge 13 is introduced into the drying step 4 and subjected to a drying process to prepare activated carbon-containing dried sludge, and this activated carbon-containing dried sludge is taken out as deodorized biomass fuel 8.

Next, an example of an embodiment of information management according to the present invention is shown in FIG. The activated carbon and sludge emissions are matched to the production of biomass fuel, and the distribution based on the demand information of the supply destination can be efficiently managed by the computer program and can be smoothly operated.
The facilities managed by the present invention are the following facilities a to e. The information management facility of the present invention is an information management facility in which an IT line that enables sharing of information with a computer program and the above facilities is installed. This facility is called facility f.
a: Processing organic wastewater or organic waste to discharge organic sludge, and transporting the discharged organic sludge out of the field as biomass fuel material in at least one of concentrated sludge, dehydrated sludge, and dried sludge More than one facility b: One or more water purification facilities c: using activated carbon to treat drinking water, industrial water, etc., and discharging used activated carbon (waste activated carbon) as a biomass fuel raw material c: the facility a Biomass fuel production facility d that uses at least one of concentrated sludge, dewatered sludge, and dried sludge and the used activated carbon b to make biomass fuel d: Biomass fuel utilization facility e that uses the biomass fuel as fuel for power generation or the like e : Facility for managing a transportation system that mutually communicates between the facilities a, b, c, and d

The facility a has information storage means for the daily generation amount, water content, and annual variation of the generation amount and water content of at least one of sludge, dehydrated sludge and dry sludge. By transmitting this stored information to the computer of the facility f, the facility f can obtain information on the daily dry matter-based sludge generation amount and the expected annual dry matter-based sludge generation amount. The daily dry matter-based sludge generation amount DS can be obtained by the following equation.
Dry matter base sludge generation amount DS (t / day) = sludge generation amount t / day × {(100-sludge water content) / 100} (1)

  The facility b has information storage means for the daily generation amount of used activated carbon, the moisture content (%) and the annual generation amount, and the annual fluctuation of the moisture content. By transmitting this stored information to the computer of the facility f, the facility f can obtain information on the daily dry matter-based used activated carbon generation amount, and the annual dry matter-based used activated carbon generation expected amount information. The daily dry matter-based used activated carbon generation amount DS can be obtained by the same formula as the formula (1).

  Information on the daily-based biomass fuel production amount calculated from the dry matter base generation amount of sludge and used activated carbon is transmitted from the facility f to the facility c, and a biomass fuel production plan can be made.

  The facility d has information storage means for the daily consumption amount of biomass fuel, the remaining storage amount, and the planned consumption amount. By transmitting this stored information to the computer of the facility f, it is possible to secure a planned amount of biomass fuel.

  The facility e receives information on biomass fuel raw materials (sludge, used activated carbon) and biomass fuel that are carried out from the facilities a, b, and c from the facility f, and makes a dispatch plan.

The facility f has the functions listed below in order to put biomass fuel production and distribution into practical use.
1) Providing information on biomass fuel production potential (based on dry matter) Calculated by program from information on facilities a and b 2) Calculating biomass fuel production cost Calculated by program based on moisture content of each sludge and used activated carbon of facilities a and b Calculated chemical, fuel, and labor costs. Biomass raw material purchase costs and transportation costs from facilities a and b.
3) Provision of information on the calorific value of biomass feedstock Calculated by program from the distribution ratio of biomass feedstock 4) Calculation of optimal transport route for biomass fuel Biomass fuel based on information on distance between transport from GPS (Global Positioning System, Global Positioning System) The shortest transportation distance of raw materials and biomass fuel is calculated, and dispatch information is transmitted to the facility e. Commercially available software for the shortest distance can be used.
5) Planning Develop an annual plan for biomass fuel production and distribution based on information accumulated by information storage means from facilities a, b, c, d, and e, and develop new supply and demand markets to ensure a balance between supply and demand Provide information for
Since the facility f of the present invention only needs to have a computer and an operator, the facility f may be in the same building as any of the facilities a, b, c, d, and e.

Hereinafter, experimental examples of the production of the biomass fuel of the present invention will be described as examples. The present invention is not limited in any way by this embodiment.
Experimental example 1
J: Used activated carbon (particle size: 0.5 ~) of A, B, C water purification plant to dry sludge (particle size: 1 to 3 mm) with a water content of 5% or less or sewage sludge with a water content of 35 to 40% 2mm) is added at an activated carbon addition rate of 0 to 50% by mass, and after adhering and mixing, about 100% (volume%) is filled into a 100 ml sealed container. After 7 days, the lid of the sealed container is removed and three people Each odor was judged sensuously and shown in Table 1.

  As shown in the table above, the effects differ depending on the water purification plant, but all have deodorizing action, the moisture of the sludge is negative for deodorization, and even if it contains moisture, adding a large amount of activated carbon deodorizes It turned out to be effective.

Experimental example 2
Concentrated sludge (sludge concentration: 5% by mass) at J sewage treatment plant and used activated carbon (particle size: 0.5-2mm, water content: 35%) from B water treatment plant, 0-60% by mass addition of activated carbon After that, 1.5% by mass of polymer was injected into SS, and dehydrated with a filter press tester (pressure belt press) to obtain dehydrated sludge having a moisture content of 72 to 78%. The dry sludge dried to the following was filled into a 100 ml sealed container at about 60% (volume%), and after 7 days, the lid of the sealed container was removed, and three people sensed the odor sensuously. As a result, it was found that the one added with activated carbon had a dehydrating effect and a deodorizing effect. The results are shown in Table 2.

Hereinafter, the Example regarding the information management of the biomass fuel of this invention is described.
Example 1
In the information management system of the present invention, a programmed computer is installed in a K environment apparatus manufacturer and operated by a manufacturer employee. Based on the information from each facility, we were able to summarize the following data for implementing biomass fuel.
-As a result of calculating the sludge discharge amount of J sewage treatment plant by the program, it was 2 t / day as dry sludge.
-As a result of calculating with the used activated carbon discharge program of A and B water purification plants, it was 1 t / day as dry coal.
-When dry sludge and dry charcoal are mixed, the activated carbon addition rate becomes 33% = (1 / (1 + 2)) × 100.
・ Biomass fuel production 3t / day ・ Biomass fuel demand 2m / day ・ Biomass fuel demand facility 1t / day .
・ Distance between each of biomass fuel production facility, J sewage treatment plant, A water treatment plant, and biomass fuel demand facility by GPS From the above information, select the dispatch facility and specify the travel route to the dispatch facility → J sewage treatment plant → A water purification plant → Biomass fuel production facility (biomass fuel loading) → Biomass fuel demand facility → Vehicle dispatch facility is calculated as the shortest distance, and it became clear that the transportation cost is also low.

DESCRIPTION OF SYMBOLS 1 ... Sludge, 2 ... Dehydration process, 3 ... Dehydrated sludge, 4 ... Drying process, 5 ... Dry sludge, 6 ... Mixing process, 7 ... Activated carbon, 8 ... Biomass fuel, 9 ... Dehydrated filtrate, 12 ... Dehydration mixing process, 13 ... Activated carbon-containing dehydrated sludge.

Claims (10)

  The manufacturing method of biomass fuel including the mixing process which prepares the mixture of the used activated carbon which has a smell adsorption capacity, and sludge.   The biomass fuel according to claim 1, wherein the mixing step includes a step of preparing a mixture of the dehydrated sludge from which the sludge has been dehydrated in the dehydration step A or the dried sludge dried in the drying step A and the used activated carbon. Manufacturing method.   The biomass according to claim 1 or 2, wherein the mixing step includes a dehydration step B in which the sludge and the used activated carbon are mixed and then dehydrated, or a drying step B in which the dewatered sludge in the dehydration step B is further dried. Fuel manufacturing method.   The method for producing biomass fuel according to any one of claims 1 to 3, wherein the used activated carbon is granular activated carbon.   The method for producing a biomass fuel according to any one of claims 1 to 4, wherein the used activated carbon is used in a step of purifying raw water of drinking water (drinking water).   The dehydration apparatus used in the dehydration process A of claim 2 or the dehydration process B of claim 3, and the drying apparatus used in the drying process A of claim 2 or the drying process B of claim 3, or of claim 2. An apparatus for producing biomass fuel, including a mixing device used in a step of preparing a mixture.   The biomass fuel containing the used activated carbon which has the sludge and the smell adsorption capacity manufactured with the manufacturing method of the biomass fuel of any one of Claims 1-5, or the manufacturing apparatus of the biomass fuel of Claim 6. Facility a: It is one or more facilities that produce the sludge, and at least the daily generation amount of the sludge, the moisture content, the annual variation of the generation amount and the moisture content, and information including the planned generation amount, Facilities that can be shared with at least the information management facility f,
Facility b: One or more water purification facilities producing used activated carbon having odor adsorbing capacity, and at least daily generation amount, water content, generated amount and water content of the used activated carbon having odor adsorbing capacity Facilities that can share information, including annual fluctuations and planned generation amounts, at least with the information management facility f,
Facility c: A biomass fuel production facility for producing the biomass fuel of claim 7 from the sludge of the facility a and the used activated carbon of the b, wherein the biomass fuel has at least daily production, annual fluctuation, and A facility capable of sharing information including the planned production volume with at least the information management facility f,
Facility d: a facility for using the biomass fuel, wherein information including at least daily consumption, annual fluctuation, and planned consumption of the biomass fuel is shared with at least the information management facility f Possible facilities, and facility e: a method for managing said information for a facility comprising at least a transportation management facility that manages a transportation system that interconnects said facilities a, b, c, and d. ,
The information management facility shares the information between f, the facilities a, b, c, d, and e;
Information management method for biomass fuel.   The biomass fuel information management method according to claim 15, wherein at least two of the facilities a, b, c, d, e, and f are on the same site. Facility a: one or more facilities that produce the sludge, storing information including at least daily generation amount, moisture content, annual variation of the generated amount and moisture content, and planned generation amount of the sludge Facility having information storage means for communication and communication means capable of sharing the information with each other at least information management facility f Facility b: One or more places producing used activated carbon having odor adsorbing ability An information storage for storing information including at least daily generation amount, moisture content, annual fluctuation of the generation amount and the moisture content, and planned generation amount of the used activated carbon having the odor adsorbing capacity And a communication means capable of sharing the information with at least the information management facility f. Facility c: Claimed from the sludge of the facility a and the used activated carbon of the b. Item 7 biomass fuel A biomass fuel production facility to be constructed, wherein information storage means for storing information including at least a daily production amount, an annual variation, and a planned production amount of the biomass fuel, and at least the information management facility f A facility comprising a communication means capable of sharing information;
Facility d: a facility for using the biomass fuel, between the information storage means for storing information including at least daily consumption, annual variation, and planned consumption of the biomass fuel, and at least the information management facility f A facility comprising communication means capable of sharing the information with each other; and facility e: at least a transportation management facility that manages a transportation system that mutually communicates between the facilities a, b, c, and d A system for managing the information for a facility,
The information management facility f includes information storage means for storing information that can be shared among the facilities a, b, c, d, and e, and the facilities a, b, c, d, and e at least communication means capable of sharing the information between each other,
Information management system for biomass fuel.

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