WO2014112703A1 - 팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 설비 및 처리 방법 - Google Patents
팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 설비 및 처리 방법 Download PDFInfo
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- WO2014112703A1 WO2014112703A1 PCT/KR2013/007620 KR2013007620W WO2014112703A1 WO 2014112703 A1 WO2014112703 A1 WO 2014112703A1 KR 2013007620 W KR2013007620 W KR 2013007620W WO 2014112703 A1 WO2014112703 A1 WO 2014112703A1
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- pome
- palm
- storage tank
- liquid
- water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
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- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B20/00—Combinations of machines or apparatus covered by two or more of groups F26B9/00 - F26B19/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/001—Heating arrangements using waste heat
- F26B23/002—Heating arrangements using waste heat recovered from dryer exhaust gases
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- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/322—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from vegetable oil production, e.g. olive oil production
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
Definitions
- the present invention is a technology that can produce dry solid renewable energy fuel using the process water generated during the processing process for extracting palm oil from the palm seed, and quickly separate the solids from the discharged water discharged from the palm oil production processing process,
- the liquefied liquid can be used as a liquid fertilizer of palm trees after oxidizing organic matter through water treatment, and the separated solid is a continuous concentrated dehydration method.
- Processing Process Palm oil production process by mixing dehydrated cake (PODC), palm seed deoiled cake (PKC) and palm seed shell (PKS) to produce dry solidified renewable energy fuel and feedstock by complex energy content
- PODC dehydrated cake
- PLC palm seed deoiled cake
- PPS palm seed shell
- the present invention relates to a treatment facility and a treatment method using the discharged water and palm by-products finally discharged from the process.
- Palm oil is a plant that grows in Malaysia and other tropical regions, and its crop range is rapidly expanding worldwide.
- the range is rapidly expanding in Africa as well as in Mexico, and the area of South China has been expanded to include the canola and soybeans, which are widely used in legumes.
- Palm oil goes through the processing process to supply oil. At this time, a lot of steam is introduced during the processing process, resulting in high temperature condensed water at around 80 °C and pressing at high pressure during the oiling process. Solids are discharged into the process water.
- palm oil process dewatering cake PODC
- palm seed shell PES
- palm seed deoiling cake PLC
- the final process water for farm processing has not only been very difficult to treat, but also cannot be processed by existing water treatment methods, and dozens of large ponds can be created sequentially for long periods of time (about 60 to 120 days) to evaporate or illegally. Although it has been taken to discharge, the situation is suffering from a lot of corruption, such as causing a bad smell, causing air pollution.
- PODC has high production volume, high moisture content, difficult disposal, and is used to produce compost as compost.
- PES is used as its own fuel, but it is difficult to secure economic feasibility due to its high water content and volume. Although it is used as a feed part, it is not able to cope with long-term response due to the difficulty in marketability due to the change in quality, and is currently being put into a yard with a large area, so it faces many difficulties to solve this problem. to be.
- Patent Document 1 KR 10-0938490 (2010.01.21)
- the waste heat of the POME discharged at a high temperature is recovered by using a heat exchanger, and then solid-liquid separation of the suspended solids contained in the cooled POME, and the liquid phase is stored and subjected to aeration to liquid liquor of palm trees and other plants.
- the sludge separated into solid-liquid is concentrated and dehydrated to around 75% water content, and then mixed with PODC, PKS and PKC to be pelletized to be used as a renewable energy source.
- a POME storage tank into which the discharged water (POME) finally discharged from the palm oil production processing process is introduced and stored.
- a discharge water storage tank connected to the POME storage tank to receive and store POME, and having a heat exchanger installed on the pipeline to recover waste heat of the POME;
- the POME is concentrated by being connected to the discharge water storage tank and concentrated, but the neutralizing agent is dissolved in the neutralizing agent tank and the coagulant is dissolved and the stored coagulant dissolving tank is connected to the pipe.
- a concentrator which desorbs liquid and sludge in POME A concentrator which desorbs liquid and sludge in POME; A dewatering device connected to the concentrator to dehydrate the sludge in the concentrated POME to produce a POME dehydration cake, and to separate the liquid phase in the sludge; One side is connected to the condenser and the pipe, the other side is connected to the dehydrator and the pipe to store the liquid in the POME desorbed from the concentrator and dehydrator, the coagulant dissolution tank is connected to the pipeline to receive the coagulant and A pressurized floatation tank having a float scraper installed on the upper portion to remove the float; It is connected to the pressure buoyancy tank is made to oxidize the organic matter while aeration of the purified liquid through the pressure buoyancy tank to produce a liquid rain, the liquid rain produced by being connected to the liquid rain storage tank on one side and stored in the liquid rain storage tank; A dehydration cake storage tank connected to the dehydration apparatus and
- the grinder for crushing the pellet discharged from the dryer Powder storage tank for storing the pulverized pellet; is further provided, the powder storage tank is connected to the mixer, characterized in that the pulverized pellet is further mixed in the mixer.
- the treatment method using the discharged water and palm by-products finally discharged from the palm oil production processing process of the present invention the cooling step of recovering and cooling the waste heat of the discharged water (POME) finally discharged from the palm oil production processing process using a heat exchanger Wow;
- the grinding step of grinding the dried pellets in the drying step is mixed in the mixing step, characterized in that the water content of the mixture to 40 to 60%.
- the drying step is supplied with the outside air and fuel to burn the fuel to generate hot air to dry, but the hot air, the waste heat of the POME discharged through the heat exchanger in the cooling step and the waste heat generated from the palm oil production processing plant
- the temperature of the mixed hot air is 50 ⁇ 150 °C
- the relative humidity is characterized in that 0 to 60%.
- the neutralizing agent in the neutralizing step is characterized in that any one selected from caustic soda, hydrated lime, quicklime, limestone, bentonite zorite, calcium hydroxide and mixed with POME through a line mix.
- the POME dewatering cake is made of sludge having a fat or oil content of 1% or more, characterized in that the PODC dewatering cake, dry pellet powder, alkali slaked lime is mixed and then formed into pellets.
- palm oil mill effluent (POME) and palm kernel shell (PKS) that is finally discharged from the palm oil production processing process occurring in the palm oil production processing process
- palm water process dewatering cake (palm) Both oil decanter cake (PODC) and palm kernel cake (PKC) are integrated and processed to produce renewable energy sources and liquid fertilizers for combustion, which improves the efficiency of waste treatment. By making it available, you become productive.
- the waste heat of the POME discharged at a high temperature is recovered by using a heat exchanger, and then solid-liquid separation of the suspended solids contained in the cooled POME, and the liquid phase is stored and subjected to aeration to liquid liquor of palm trees and other plants.
- the sludge separated into solid-liquid is concentrated and dehydrated to around 75% water content, and then mixed with PODC, PKS and PKC to be pelletized to be used as a renewable energy source.
- the unflocculated suspended solids in the separated liquid discharged through the concentration and dehydration step are floated in the pressure flotation tank and removed using a scraper, thereby having a higher removal rate than the original wastewater.
- the process can be simplified and processed in real time. It is very good and it is possible to minimize the installation area of the equipment for this purpose.
- FIG. 1 is a block diagram showing a treatment facility using the discharged water and palm by-products finally discharged in the palm oil production processing process of the present invention.
- Figure 2 is a process chart showing a treatment method using the discharged water and palm by-products finally discharged in the palm oil production processing process of the present invention.
- the palm oil extraction process produces palm oil mill effluent (POME) that is finally discharged from the palm oil production process.
- PME palm oil mill effluent
- palm oil process dewaterer cake (PODC) is generated as a dewatering cake discharged through centrifugation from the process water generated through the palm oil milking process.
- POME typically contains 3 to 6% solids, and when it is separated into solids, the pollution degree such as COD, SS, TN, and TP is reduced rapidly. It can be used as a liquid fertilizer, which can be quickly absorbed into the soil.
- the solid-liquid separated POME dewatering cake is processed to be used as an energy source for combustion when dried.
- PODC is a by-product, which is usually discharged at around 70% of moisture content, and is mostly used as compost after leaving the temperature at around 90 ° C.
- the oil content is analyzed and the value as an energy source is used for raw materials. .
- PKS has a high energy content, but requires a large amount of treatment costs due to its large volume.
- PKC is also used as an energy source, moisture control agent.
- the treatment facility of the present invention is a POME storage tank (1), discharge water storage tank (3), concentrator (7), dewatering device, pressurized flotation tank (11), aeration tank (13), dehydration cake storage tank (18), PKS Reservoir 20, PODC reservoir 19, PKC reservoir 23, mixer 25, screen 26, molding machine 27, dryer 28, hot air blower 32, multicyclone 29; includes It is configured by.
- the discharged water (POME) finally discharged from the palm oil production processing process is introduced and stored.
- the discharge water storage tank 3 is connected to the POME storage tank (1) as shown, and receives and stores the POME, the heat exchanger (2) is installed on the pipeline is configured to recover the waste heat of the POME.
- the concentrator 7 is connected to the discharge water storage tank 3 and is configured to condense the POME.
- the neutralizing agent dissolution tank (4) and the coagulant dissolving tank (5) stored and dissolved by the neutralizing agent dissolved in the pipe line is connected to the pipe is concentrated while receiving the neutralizing agent and coagulant.
- one or two line mixers 6 are provided on the conduits, and the neutralizer dissolution tanks 4 and the flocculant dissolution tanks 5 are connected to the line mixers 6, respectively, to dissolve in each tank.
- the neutralizing agent and the flocculant may be mixed and stirred on the conduit moving from the effluent storage tank 3 to the concentrator 7 through the line mixer 6.
- the pH adjustment tank may be provided so that the POME into which the neutralizing agent is added may be neutralized while remaining in the pH adjustment tank for a predetermined time.
- liquid and sludge in the POME is first desorbed while passing through the concentrator (7).
- the dewatering device is connected to the concentrator 7 as shown to dehydrate the sludge in the concentrated POME to produce a POME dewatering cake, and is configured to separate the liquid phase in the sludge.
- This dewatering device may take a configuration in which the pneumatic dehydrator 8, the conveying conveyor 15, the press press 16 of the belt press type are continuously arranged.
- the separation of the liquid phase in the sludge is preferably to be made in the press 16.
- Pressurized floatation tank (11) as shown is one side is connected to the condenser 7 and the pipe, the other side is connected to the dehydrator and the pipe to store the liquid in the POME desorbed from the concentrator (7) and dehydration device,
- the flocculant dissolution tank 5 is connected to the pipeline to receive the flocculant, and a float scraper is installed on the top to remove the flocculant.
- the buffer tank (9, 17) is preferably delivered to the line mixer 10 through the transfer pump, this line mixer It is preferable that the coagulant dissolution tank 5 is connected to 10 so that the coagulant is supplied by the fixed-quantity supply pump.
- the pressure floatation tank 11 is configured to supply fine air, and the suspended matter scraper provided on the upper portion removes the suspended matter present in the particulate state.
- the suspended matter removed from the pressure flotation tank 11 is preferably transported to the discharge water storage tank 3.
- the aeration tank 13 is connected to the pressure flotation tank 11 through the buffer tank 12 as shown, oxidizing the organic matter while aeration of the purified liquid through the pressure flotation tank 11 to produce a liquid ratio Consists of the liquid ratio produced by being connected to the liquid storage tank 14 on one side is made to store in the liquid storage tank (14).
- Dehydration cake storage tank 18 is connected to the dehydration device is stored POME dehydration cake manufactured in the dehydration device.
- PKS storage tank 20 is palm seed shell (PKS) is stored, palm processing process water dewatering cake (PODC) is stored in the PODC storage tank (19), palm seed deoiling cake (PKC) in the PKC storage tank (23) Is stored.
- PPS palm seed shell
- PODC palm processing process water dewatering cake
- PKC palm seed deoiling cake
- the mixer 25 is connected to the dehydration cake storage tank 18, PKS storage tank 20, PODC storage 19, PKC storage tank 23 as shown in the mixing to mix POME dewatering cake, PKS, POD, PKC It is made to
- the screen 26 is connected to the mixer 25 is configured to sort the foreign matter in the raw material supplied from the mixer 25, the molding machine 27 to shape the raw material passed through the screen 26 in the form of pellets Consists of.
- the dryer 28 is configured to dry the pellet received from the molding machine 27, the dryer 28 is the heat exchanger 2 is connected to one side, the waste heat of the POME is supplied, the other side The outside air flows in and is operated by the operation of the hot air blower 32 that supplies heat generated by burning fuel to the dryer 28.
- the multi-cyclone 29 has a scrubber is connected to one side, the other side is connected to the dryer 28 to separate and discharge the water and dust in the air containing moisture and dust discharged from the dryer 28 It is configured to.
- Pellet mill 30 for crushing the pellet discharged from the dryer 28 in the configuration as described above; Powder storage tank 24 for storing the pulverized pellets; is further provided, the powder reservoir 24 is connected to the mixer 25, so that the pellets pulverized in the mixer 25 to be further mixed Can be.
- the heat exchanger 2 is used to recover and cool the waste heat of the discharged water POME finally discharged from the palm oil production process.
- a heat exchanger 2 is installed between the POME storage tank 1 and the discharge water storage tank 3 to utilize the waste heat.
- one side of the heat exchanger (2) allows the outside air to be introduced, and the introduced outside air can be connected to the hot air blower (32) to utilize the waste heat in the pellet drying.
- the neutralizing agent in the neutralizing step is characterized in that any one selected from caustic soda, hydrated lime, quicklime, limestone, bentonite zorite, calcium hydroxide and mixed with POME through a line mix.
- the neutralizer is provided in the neutralizer dissolution tank (4) is provided with a hopper to the neutralizer is injected into the upper portion, a stirrer connected to the motor therein, fresh water is added with the neutralizer to dissolve the neutralizer, neutralizing agent dissolution
- the tank 4 is connected to the pipe connected from the discharge water storage tank 3 to the concentrator 7 through a line mixer 6 to supply the neutralizer.
- the pH adjustment tank of the intermediate storage tank for stabilizing and cooling the neutralizing effect is provided so that the neutralization is completed while the POME to which the neutralizing agent is added stays in the pH adjustment tank for a predetermined time.
- Coagulant injection step is also provided with a coagulant dissolving tank (5), the coagulant dissolving tank (5) to connect the pipe through the line mixer (6) to the pipe connecting the concentrator (7) in the discharge water storage tank (3).
- the flocculant dissolution tank (5) is also mixed with fresh water and the flocculant so that the flocculant is supplied in a dissolved state in the fresh water so that the flocculation reaction is made.
- the flocculant dissolution tank 5 is also preferably provided with a hopper at the upper part so that the flocculant can be quantitatively injected, and the flocculant can be mixed and dissolved in fresh water in a quantitative manner through a screw over a powder quantitatively equipped with an inverter.
- the flocculant dissolution tank (5) is provided with a plurality, it is preferable to be melted in multiple stages with the fresh water introduced and dissolved in step by step while being installed with a motor and a stirrer.
- the flocculant is condensed into the POME, and the liquid phase in the POME is first desorbed during the concentration process.
- the concentrator 7 is connected to the discharge water storage tank 3 and is configured to condense the POME.
- the sludge is first separated while concentrating the POME aggregated by the flocculation step.
- the dehydration step is carried out through the dehydration apparatus described above, which is first dewatered in a vertical pneumatic dehydrator 8 connected to the concentrator 7, and then transferred to the pneumatic dehydrator 8 and the conveying conveyor 15 and the conveying conveyor 15.
- the dewatered sludge which is further dewatered in the connected press press 16 is transferred to the final screw conveyor to the outside.
- the floating liquid is removed by inputting the pressure flotation tank 11 through a transfer pump via a storage tank communicating with a pipe while supplying a flocculant to the liquid desorbed firstly in the concentration step and the liquid desorbed secondly in the dehydration step. do.
- the pressure injured tank 11 is connected to the concentrator 7 and connected to the condenser 7, and the other side is connected to the dehydrator and piped to store the liquid in the POME from each other.
- the floating belt scraper of the rotating belt conveying method is to remove the floating material continuously.
- a fine bubble generator in the pressure flotation tank (11) to float unremoved traces of solids in the inflowing liquid as bubbles.
- the flocculant dissolution tank 5 is connected to the pipeline to receive the flocculant so that the flocculant is further coagulated with respect to the desorbed liquid, and after passing through the buffer tanks 9 and 17, the flocculant is supplied and pressurized. By doing this, the suspended solids can be separated by more than 99%.
- the separated suspended matter is piped to the discharge water storage tank (3) is transferred back to the discharge water storage tank (3).
- the liquid is removed by oxidizing the organic material while aerated for 3 to 7 days to remove the suspended solids.
- the aeration tank 13 is provided as described above to oxidize the organic matter while aeration of the purified liquid through the pressure flotation tank 11 to prepare a liquid ratio, and the liquid ratio produced by being connected to the liquid storage tank 14 on one side. Is configured to store in the liquid storage tank (14).
- the stored liquid fertilizer will be used as a liquid fertilizer such as Palm Nauvoo.
- Palm seed shell (PKS), palm processing process water dewatering cake (PODC), palm seed deoiling cake (PKC) and POME dewatering cake prepared in the dehydration step is mixed.
- a dewatered cake storage tank 18, a PKS storage tank 20, a PODC storage tank 19, and a PKC storage tank 23, in which the POME dewatering cake is stored, are respectively provided. It is provided to mix each raw material in the mixer 25.
- the PKC has a moisture content of 70% or more of the PODC and PKS, has the purpose of adjusting the total water content to 60% or less.
- the POME dehydration cake that has undergone the dehydration step has a water content of about 70 to 80%
- PODC has a discharge temperature of about 80 ° C.
- PKS also has a water content of 70% or more.
- PKC has a water content of about 10%, and by mixing them, the water content of the entire mixture is adjusted to 40 to 60% to be suitable for pellet molding.
- the foreign substances in the mixed raw materials are sorted and then put into a molding machine 27 to be molded into pellets.
- the pellet size is 5 ⁇ 20mm in diameter, 10 ⁇ 50mm in length is molded.
- the pellet produced in the molding machine 27 is dried.
- the low temperature hot air dryer 28 may be utilized as described above, and the moisture content of the dried pellets is preferably 10% or less.
- the temperature of the hot air is 50 to 150 ° C, the relative humidity is 0 to 60%, preferably 40 to 60%.
- the dried pellet may be crushed and then sent back to the mixing step to utilize the humidity control.
- a grinding step of grinding the dried pellets in the drying step may be mixed in the mixing step to make the water content of the mixture 40 to 60%.
- the drying step is supplied to the outside air and fuel to burn the fuel to generate hot air to dry, the hot air, waste heat of the POME discharged through the heat exchanger (2) in the cooling step, and generated in the palm oil production processing plant
- the waste heat to be mixed is dried in the dryer 28, the temperature of the mixed hot air is 50 ⁇ 150 °C, relative humidity is 0 to 60%, preferably 40 to 60%.
- the amount of air supplied is adjusted to induce evaporative sweating of water while inducing even evaporation of moisture in the mixture, and the air is discharged by adjusting the arrangement of the exhaust pipes so that the air is discharged constantly. It is recommended to maximize the water evaporation effect by using the convective and mechanical principles of air generated in the process.
- the air containing moisture in the dryer 28 is immediately discharged through the discharge pipe formed on one side of the dryer 28 to further increase the drying efficiency, so that it can be dried while descending sequentially, and the dried product is easily discharged It is desirable to.
- pellets dried in this way are introduced into the pellet storage tank 31 through the conveyor belt spread under the dryer 28, and the pellets stored in the pellet storage tank 31 are from the combustion raw material or regeneration of the hot air blower 32. It will be used as a raw material.
- the POME dehydrated cake in the configuration as described above is made of pellets after mixing the POME dehydrated cake and dry pellet powder, 0.05 ⁇ 3.0% by weight of alkali slaked lime according to the fluidity when the oil content is made of more than 1% sludge It is preferable.
- POME usually contains 3 to 6% of solids, and when it is solid-liquid separated, it can be seen that the pollution degree is rapidly reduced.
- liquid soluble organics separated through the solid-liquid separation is easily oxidized, so as to be rapidly converted into the liquid ratio as shown in the present invention, the burden on wastewater treatment is drastically reduced, and the dehydration cake is used as fuel of the pellet, that is, renewable energy. .
- the dried pellets have a lower moisture content and easier handling than before drying, and as shown in Table 3, the energy content is very high, and thus high value as renewable energy, and various heat sources as described above. It is dry and is economical.
- the high energy content of dried POME dewatered cakes is influenced by the retention of residual solids in some solids after milking the palm oil, which has the advantage of being able to utilize all oils remaining in the palm oil processing process.
- the treatment efficiency of the suspended solids was 99% or more.
- the present invention as described above will be applicable to sewage sludge, wastewater sludge, papermaking sludge, dyeing sludge, slaughter wastewater, food wastewater, food wastewater and fats and oils wastewater.
Abstract
Description
항 목 | M 팜오일밀(Palm Oil Mill) | B 팜오일밀(Palm Oil Mill) | ||
분리 전 | 분리 후 | 분리 전 | 분리 후 | |
COD(mg/l) | 123,000 | 39,800 | 89,000 | 25,000 |
SS(mg/l) | 65,500 | 252 | 48,500 | 120 |
T-N(mg/l) | 3,200 | 1,800 | 2,800 | 1,200 |
T-P(mg/l) | 530 | 11 | 390 | 10 |
항목 | POME 슬러지 탈수케익(함수율(%) | |
건조 전 | 건조 후 | |
M Palm Oil Mill | 75.6 | 9.1 |
B Palm Oil Mill | 72.3 | 7.6 |
I Palm Oil Mill | 77.3 | 5.4 |
P Palm Oil Mill | 75.3 | 8.2 |
항목 | POME 건조슬러지 발열량(kCal/kg, LHV) |
M Palm Oil Mill | 5,625 |
B Palm Oil Mill | 4,950 |
I Palm Oil Mill | 5,210 |
P Palm Oil Mill | 5,450 |
측정 빈도 | 부유물질(/l) | 처리효율 | |
유입 | 배출 | (%) | |
1 차 | 68,900 | 354 | 99.5 |
2 차 | 55,350 | 495 | 99.1 |
3 차 | 48,500 | 520 | 98.9 |
4 차 | 35,600 | 195 | 99.5 |
평균 | 52,087 | 391 | 99.2 |
Claims (7)
- 팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 설비에 있어서,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수(POME)가 유입되어 저장되는 POME저장조(1)와;상기 POME저장조(1)와 배관 연결되어 POME를 공급받아 저장하되, 관로상에 열교환기(2)가 설치되어 POME의 폐열을 회수하도록 되어 있는 배출수저장조(3)와;상기 배출수저장조(3)와 배관 연결되어 POME를 공급받아 농축하되 관로상에, 중화제가 용해되어 저장된 중화제용해탱크(4) 및 응집제가 용해되어 저장된 응집제용해탱크(5)가 배관 연결되어 있어 중화제 및 응집제를 공급받은 채 농축이 이루어지며, POME중의 액상과 슬러지가 탈리되는 농축기(7)와;상기 농축기(7)와 연결되어 있어 농축된 POME 중 슬러지를 탈수시켜 POME탈수케익을 제조하고, 슬러지 중의 액상이 분리되는 탈수장치와;일측은 상기 농축기(7)와 배관 연결되어 있고, 타측은 상기 탈수장치와 배관 연결되어 있어 농축기(7) 및 탈수장치로부터 탈리된 POME중의 액상을 저장하되, 관로상에 상기 응집제용해탱크(5)가 연결되어 응집제를 공급받도록 되어 있고, 상부에 부유물스크래퍼가 설치되어 있어 부유물을 제거하도록 이루어져 있는 가압부상조(11)와;상기 가압부상조(11)와 연결되어 있어 가압부상조(11)를 거쳐 정화된 액상을 폭기하면서 유기물을 산화시켜 액비를 제조하도록 이루어져 있으며, 일측에 액비저장조(14)와 연결되어 제조된 액비는 액비저장조(14)에 저장하도록 이루어진 폭기조(13)와;상기 탈수장치와 연결되어 탈수장치에서 제조된 POME탈수케익이 저장되는 탈수케익저장조(18)와;팜종실 껍질(PKS)이 저장되는 PKS저장조(20)와;팜가공 공정수 탈수케익(PODC)이 저장되는 PODC저장조(19)와;팜종실 탈유 케익(PKC)이 저장되는 PKC저장조(23)와;상기 탈수케익저장조(18), PKS저장조(20), PODC저장조(19), PKC저장조(23)와 연결되어 POME탈수케익, PKS, POD, PKC를 혼합하는 혼합기(25)와;상기 혼합기(25)와 연결되어 혼합기(25)로부터 공급받은 원료 중의 이물질을 선별하는 스크린(26)과;상기 스크린(26)을 통과한 원료를 펠렛 형태로 성형하는 성형기(27)와;상기 성형기(27)로부터 성형된 펠렛을 공급받아 건조하는 건조기(28)와;일측으로 상기 열교환기(2)가 연결되어 있어 POME의 폐열이 공급되며, 타측으로는 외기가 유입되고, 연료를 연소시켜 발생된 열을 상기 건조기(28)에 공급하는 열풍기(32)와;일측에 스크라버가 연결되어 있고, 타측은 상기 건조기(28)와 연결되어 있어 건조기(28)에서 배출되는 수분과 먼지가 포함된 공기중의 수분과 먼지를 분리 배출하는 멀티사이클론(29);을 포함하여 구성된,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 설비.
- 제 1항에 있어서,상기 건조기(28)에서 배출된 펠렛을 분쇄하는 펠렛분쇄기(30)와;상기 분쇄된 펠렛을 저장하는 분말저장조(24);가 더 구비되어 있으며,분말저장조(24)는 상기 혼합기(25)와 연결되어 있어,혼합기(25)에서 분쇄된 펠렛이 추가로 혼합되는 것을 특징으로 하는,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 설비.
- 팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 방법에 있어서,열교환기(2)를 이용하여 팜유 생산 가공 공정에서 최종적으로 배출되는 배출수(POME)의 폐열을 회수하여 냉각시키는 냉각단계와;냉각된 POME에 중화제를 투입하여 pH를 조정하는 중화단계와;pH가 조정된 POME에 응집제를 투입하는 응집제투입단계와;상기 응집제가 투입된 POME를 농축시키며, 농축 과정에서 POME 중의 액상이 일차로 탈리되는 농축단계와;상기 농축단계를 거친 POME를 탈수시켜 함수율 70 ~ 80%의 POME탈수케익을 제조하며, 탈수 과정에서 액상이 이차로 탈리되는 탈수단계와;상기 농축단계에서 일차로 탈리된 액상과, 탈수단계에서 이차로 탈리된 액상에 응집제를 공급한 채 가압부상조(11)에 투입하여 부유물을 제거하는 부유물제거단계와;상기 부유물이 제거된 액상을 3 ~ 7일간 폭기하면서 유기물을 산화시켜 액비를 제조하는 액비제조단계와;팜종실 껍질(PKS), 팜가공 공정수 탈수케익(PODC), 팜종실 탈유 케익(PKC)과 상기 탈수단계에서 제조된 POME탈수케익을 혼합하는 혼합단계와;상기 혼합된 원료 중의 이물질을 선별한 후 펠렛 형태로 성형하는 성형단계와;상기 성형단계에서 제조된 펠렛을 건조하는 건조단계;를 포함하여 구성된,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 방법.
- 제 3항에 있어서,상기 건조단계에서 건조된 펠렛을 분쇄하는 분쇄단계와;분쇄된 펠렛 분말을 상기 혼합단계에서 혼합시켜 혼합물의 함수율을 40 ~ 60%로 만드는 것을 특징으로 하는,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 방법.
- 제 3항에 있어서,상기 건조단계는 외기와 연료를 공급받아 연료를 연소시켜 열풍을 발생하여 건조시키되,상기 열풍과, 상기 냉각단계서 열교환기(2)를 통해 배출된 POME의 폐열과, 팜유 생산 가공 공장에서 발생되는 폐열을 혼합하여 건조기(28)에서 건조시키며,혼합된 열풍의 온도는 50 ~ 150℃이고, 상대습도는 0 ~ 60%인 것을 특징으로 하는,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 방법.
- 제 3항에 있어서,상기 중화단계에서 중화제는 가성소다, 소석회, 생석회, 라임스톤, 벤토나이트 조라이트, 수산화칼슘 중 선택된 어느 하나를 라인믹스를 통해 POME와 혼합, 교반하는 것을 특징으로 하는,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 방법.
- 제 3항에 있어서,상기 POME탈수케익은 유지류 함량이 1 %이상의 슬러지로 이루어져 있고,상기 POME탈수케익과 건조펠렛 분말, 알카리 소석회를 혼합한후 펠렛으로 성형하는 것을 특징으로 하는,팜유 생산 가공 공정에서 최종적으로 배출되는 배출수와 팜부산물을 이용한 처리 방법.
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- 2013-08-26 JP JP2015553641A patent/JP6048778B2/ja not_active Expired - Fee Related
- 2013-08-26 WO PCT/KR2013/007620 patent/WO2014112703A1/ko active Application Filing
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CN104671622B (zh) * | 2015-02-02 | 2017-03-15 | 杰瑞石油天然气工程有限公司 | 含c30+的固体污染物的处理系统、含油污泥的处理系统及方法 |
WO2016167638A1 (en) * | 2015-04-16 | 2016-10-20 | Sime Darby Malaysia Berhad | A process of removing free fatty acids from crude vegetable oil |
WO2017121422A1 (de) | 2016-01-11 | 2017-07-20 | Apelt, Christine | Verfahren zur stofflichen und energetischen verwertung von flüssigen und feinteiligen reststoffen der palmölgewinnung |
DE102016000198A1 (de) | 2016-01-11 | 2017-08-10 | Christine Apelt | Verfahren zur stofflichen und energetischen Verwertung von flüssigen und feinteiligen Reststoffen der Palmölgewinnung |
Also Published As
Publication number | Publication date |
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US20150345864A1 (en) | 2015-12-03 |
US10006713B2 (en) | 2018-06-26 |
JP6048778B2 (ja) | 2016-12-21 |
JP2016507370A (ja) | 2016-03-10 |
KR101265740B1 (ko) | 2013-05-20 |
CN105026061B (zh) | 2017-09-29 |
MY175939A (en) | 2020-07-15 |
SG11201505449UA (en) | 2015-08-28 |
CN105026061A (zh) | 2015-11-04 |
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