WO2010095842A2 - Adsorbant multifonctionnel a base de boues d'epuration ou de cendres et agent destine a ameliorer l'environnement du betail - Google Patents

Adsorbant multifonctionnel a base de boues d'epuration ou de cendres et agent destine a ameliorer l'environnement du betail Download PDF

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WO2010095842A2
WO2010095842A2 PCT/KR2010/000959 KR2010000959W WO2010095842A2 WO 2010095842 A2 WO2010095842 A2 WO 2010095842A2 KR 2010000959 W KR2010000959 W KR 2010000959W WO 2010095842 A2 WO2010095842 A2 WO 2010095842A2
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adsorbent
sulfuric acid
phosphoric acid
hours
powdered
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PCT/KR2010/000959
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Korean (ko)
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WO2010095842A3 (fr
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최진호
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주식회사비케이
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
    • B01J2220/4887—Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes

Definitions

  • the present invention relates to an adsorbent for adsorbing odor-causing substances and fine dust and the like, and pig mortar reducing agent, manure fertilizer additive, activated carbon substitute, and industrial deodorant including the adsorbent.
  • the present invention relates to a multifunctional adsorbent that can be applied to various sites manufactured by mixing purified sludge or ash with waste sulfuric acid and waste phosphoric acid. More specifically, the adsorbent according to the present invention reduces pig mortality and improves the growth environment, pig mortar reducing agent, manure additive additive to control the smell of peculiar odor, activated carbon substitute used for filter in dust collection equipment, various odor induction It can be applied to industrial deodorant which controls odor by applying to facility.
  • Sewage sludge has been recycled to pollen materials, land improvers, landfill materials, bricks, etc., but it is known that wastewater is difficult to sell or commercialize due to the low treatment cost.
  • Sow sludge is composed of allium-based components, silicon, and organic materials, so that various types of applications are possible, and it is a waste with high need for recycling.
  • the present invention by applying the adsorbent in a variety of fields, firstly, by controlling the ammonia generated in pigs and collecting fine dust to reduce the pig mortality at the same time, and secondly, as a good raw material of fertilizer To solve the problem that the range of application is limited due to the bad smell of poultry, it provides additives necessary to produce manure fertilizer with excellent efficacy. Third, it is difficult to secure raw materials and provides substitute of activated carbon which is continuously increasing in price. By saving foreign currency and providing cheaper products to consumers, Fourth, industrial deodorants that control various types of odors generated from environmental foundations, food processing plants and other odor-producing facilities, and control odors generated from refrigerators and vehicles. It is to provide.
  • the sludge having undergone physical dehydration has a cake state, it is difficult to expect a decrease in moisture content anymore.
  • the pore water, chemical bonding water, surface water, etc. distributed in the constant sludge is dissociated to bring additional water content reduction.
  • the mixture of purified water sludge and phosphoric acid has a structure of Poriferous Multiple Cylinder (PMC), and afterwards, it is possible to provide a multifunctional adsorbent by maximizing the specific surface area through a drying process.
  • PMC Poriferous Multiple Cylinder
  • the adsorbent according to the present invention can adsorb various harmful substances and dusts, which is understood to be due to the superior specific surface area by the PMC structure.
  • control the odor generated in pigs from the next day to reduce the mortality rate of pigs and improve the growth environment, and consequently easy to livestock wastewater treatment It will increase the income of livestock farmers and improve the work of pig workers.
  • the flour is continuously produced a large amount of odor, even though it is composed of an excellent component as a fertilizer, it is difficult to control the odor is difficult to resource the compost.
  • the manure fertilizer additive containing the adsorbent according to the present application can effectively control the malodor can be actively utilized manure fertilizer.
  • control of the malodor is started after about 3 hours, and at least 98% of the malodor generated after 24 hours can be controlled, and at the same time, it is possible to prepare a manure fertilizer having an excellent fertilizer component.
  • manure fertilizers are less odor than the fermentation compost and excellent fertilizer components can contribute to the generation of a side income of farmers operating the poultry farm, and also helps to operate the sewage treatment facilities.
  • the adsorbent according to the present invention has a specific surface area of 2 to 4 times larger than that of activated carbon, which shows that the physical adsorption capacity is excellent.
  • activated carbon is not known to adsorb various odorous substances, but the adsorbent according to the present invention can control not only the field of application of activated carbon, but also the odorous substances that activated carbon does not control, and can sufficiently replace the existing activated carbon.
  • food waste and slaughter residues are generally known as representative aversive odor-causing substances that cause thousands of odors including polymer-based odors such as aldehydes, sulfides, and amines.
  • adsorbent When adsorbent is mixed with 10 ⁇ 30% by weight of copper, it starts controlling odor after 1 hour and controls more than 98% of generated odor after 24 hours, improving working conditions, blocking civil complaints, It will be effective in establishing recycling plan.
  • Figure 1 is a 9,000 times magnification of the PMC SEM (electron microscope), confirming that the porous homogeneous surface has a large specific surface area.
  • PMC is the main component of the adsorbent made by the present invention.
  • the adsorbent according to the present application uses constant sludge dried cold with stirring.
  • the adsorbent is pulverized in this way, the dried sludge and 5-15 parts by weight of phosphoric acid source are mixed and stirred with respect to the crushed purified sludge and stirred for 10 to 30 hours, and aged at 100 ° C to 300 ° C.
  • the phosphoric acid source or sulfuric acid source is preferably phosphoric acid or sulfuric acid.
  • the phosphoric acid concentration is 60 to 90%, waste phosphoric acid or regenerative phosphoric acid can also be used. Waste phosphoric acid which has been used after etching can also be used.
  • sulfuric acid source can be used sulfuric acid, regeneration sulfuric acid if the sulfuric acid concentration is 30 ⁇ 70%.
  • the adsorbent may use ash, which is a byproduct of thermal power generation, instead of the above-mentioned constant sludge.
  • Ash is an essential by-product of thermal power plants.
  • One thermal power plant generates a large amount of about 80,000 to 100,000 tons per year, but it is buried more than 90% because proper recycling plan is not provided.
  • ash can be recycled to have useful characteristics for the environmental industry without causing environmental problems as a result of various experiments, and it is expected that the value of its use will increase in the future, but its utilization is very small at present.
  • the present invention by utilizing such an ash, it is possible to provide an adsorbent excellent in adsorption capacity as well as contributing to pollution prevention.
  • Another aspect of the present invention relates to an adsorbent produced by using a constant sludge or ash as a main raw material, and the adsorbent is characterized in that it is versatile, which can be applied to various fields such as pig sand, manure fertilizer, odor inducing facilities, and dust collecting facilities.
  • the adsorbent according to the present invention is a highly functional recycled product made using only by-products, and although the manufacturing cost is very low, the adsorption effect is much better than that of the conventional adsorbent.
  • the adsorbent of the present invention can be applied as a pig mortality reducing agent, manure fertilizer additive, activated carbon substitute, industrial deodorant and the like.
  • the adsorbent according to the present invention is a multi-functional Can have A photograph of an adsorbent according to the present invention with an SEM of 9000 magnification is shown in FIG. 1.
  • the adsorbent according to the present invention has a multilayer porous cylindrical structure, the shape is powder or pellets, the hardness is characterized in that 92% or more.
  • Sludge sludge used as the main raw material of the present invention is a final product generated in the course of water treatment, and refers to a microbial mass separated by physicochemically floating or sedimenting after being propagated by ingesting nutrients dissolved in the constant water.
  • a constant sludge is hardly made into resources, and the dumping and reclamation are mainly carried out, and thus the problem of environmental pollution has emerged.
  • the constant sludge can be recycled to possess useful characteristics for the environmental industry without causing environmental problems as a result of various experiments, and thus the utilization value is expected to increase in the future, but its utilization is very small at present.
  • the present invention by utilizing such a constant water sludge, it is possible to provide an adsorbent which can not only contribute to pollution prevention but also has excellent adsorption capacity.
  • the adsorbent according to the present application uses constant sludge dried cold with stirring.
  • the adsorbent is pulverized in this way, the dried sludge and 5-15 parts by weight of phosphoric acid source are mixed and stirred with respect to the crushed purified sludge and stirred for 10 to 30 hours, and aged at 100 to 300 for 5 to 15 hours.
  • It comprises a 100 ⁇ 200 mesh powdered phosphoric acid material aged by heating, and further mixed and stirred 5-15 parts by weight of sulfuric acid source with respect to the crushed purified sludge and the constant sludge, stirred and aged for 10-30 hours, and 100 °C It contains 100 to 200 mesh powdered sulfuric acid material aged by heating at ⁇ 300 ° C. for 5 to 15 hours.
  • the phosphoric acid source or sulfuric acid source is preferably phosphoric acid or sulfuric acid.
  • the phosphoric acid concentration is 60 to 90%, waste phosphoric acid or regenerative phosphoric acid can also be used. Waste phosphoric acid which has been used after etching can also be used.
  • sulfuric acid source can be used sulfuric acid, regeneration sulfuric acid if the sulfuric acid concentration is 30 ⁇ 70%.
  • the adsorbent may use ash, which is a byproduct of thermal power generation, instead of the above-mentioned constant sludge.
  • Ash is an essential by-product of thermal power plants.
  • One thermal power plant generates a large amount of about 80,000 to 100,000 tons per year, but it is buried more than 90% because proper recycling plan is not provided.
  • ash can be recycled to have useful characteristics for the environmental industry without causing environmental problems as a result of various experiments, and it is expected that the value of its use will increase in the future, but its utilization is very small at present.
  • the present invention by utilizing such an ash, it is possible to provide an adsorbent excellent in adsorption capacity as well as contributing to pollution prevention.
  • Another aspect of the present invention relates to an adsorbent produced by using a constant sludge or ash as a main raw material, and the adsorbent is characterized in that it is versatile, which can be applied to various fields such as pig sand, manure fertilizer, odor inducing facilities, and dust collecting facilities.
  • the adsorbent according to the present invention is a highly functional recycled product made using only by-products, and although the manufacturing cost is very low, the adsorption effect is much better than that of the conventional adsorbent.
  • Adsorbents of the present invention can be applied as a pig mortality reducing agent, manure fertilizer additives, activated carbon substitutes, industrial deodorants, etc., to present a field application example obtained by the field application experiments over the years.
  • Pigs regardless of location or season, have intense breathing gas on their eyes and nose, making it difficult for the average person to breathe and keep their eyes open. Pigs are always congested in their eyes, and their eyes are pinched, and they lie down almost except when they eat. This is a phenomenon that is poisoned by a large amount of ammonia gas generated in the manure, ammonia is inhaled into the body through the respiratory organs of pigs to the dust in the air, which acts as a major cause of death of pigs, but there is still a commercial product that efficiently controls ammonia gas There is no way to burn the children of the farm.
  • ammonia concentration begins to decrease after about 3 hours and ammonia is effectively reduced after 24 hours.
  • the day after the spray you can feel the disappearance of the gas from your eyes and nose, you can see the redness of the pig's eyeballs begin to relieve, and the pig who has been lying down You will see that.
  • the manure fertilizer additive containing the adsorbent according to the present invention When the manure is produced as a fertilizer using the manure fertilizer additive containing the adsorbent according to the present invention, it was confirmed through field tests that a good fertilizer can be made without using sawdust.
  • concrete cases are mixed, when 100 weight of poultry is mixed with 10 weights of quicklime, the quicklime absorbs the moisture in the poultry, causing hydration reactions and exothermic heat from room temperature 25 to 40. do. If the type of odor generated in this process is changed and reacted for about 1 hour, and then the manure additive is added and stirred, 95% of the odor generated after 24 hours starts to control the odor. The control is reduced. You can also see white mold on the surface, which means that the ripening process takes place.
  • manure fertilizer produced in this way was tested to meet the legal requirements as a compost through the fertilizer process standard test, and lettuce cultivation experiments showed that the lettuce yield between the manure spreading and non-spraying was about 30%. Furthermore, these manure fertilizers are added with quicklime to improve the soil, and the inherent fertilizer effect and calcium, the main ingredient of lime, enhance the crop's structure and increase the absorption of nutrients in the land, resulting in an increase in crop quality and yield.
  • Activated carbon is mainly palm-based activated carbon and coal-based activated carbon, which is dependent on imports.
  • the main source of import of coal-based activated carbon is China.
  • Incheon Port was 700,000 won per ton, and currently imports at 1.5 million won per ton.
  • the price has risen more than twice, increasing the burden on the company.
  • the development of alternative materials is urgent given that the Chinese government is gradually reducing the export of natural resources.
  • most plant facilities operating in Korea require dust collection facilities and odor prevention facilities in accordance with the related laws.
  • Most of them use activated carbon as adsorbent and the market size is estimated to be about 1 trillion won per year.
  • the adsorbent according to the present invention has a specific surface area of about 2 to 4 times larger than that of coal-based activated carbon, which is due to the above-described PMC structure. Can be replaced sufficiently.
  • activated carbon is known to be effective for adsorption of a particular malodorous substance, and the adsorbent according to the present invention can absorb and control a malodorous substance that activated carbon cannot control in addition to the specific malodorous substance.
  • the iodine adsorption test results were measured at more than 1,050g / g, the hardness was measured at more than 92% was confirmed to meet the specifications of the existing activated carbon.
  • the adsorbent according to the present invention is evaluated to have the same or superior adsorption capacity with activated carbon by the PMC.
  • the present inventors prepare the adsorbent according to the present invention in powder form and pellets, and process the leather processing plant and food waste.
  • the application of on-site applications in facilities, composting plants, slaughterhouses, etc. confirmed the potential as an activated carbon substitute.
  • a granular adsorbent prepared according to the invention is shown in FIG. 2.
  • the adsorbent according to the present application can be applied as an industrial deodorant and the inventors have confirmed this through several routes.
  • Representative examples include food waste and slaughter residues. They contain aldehydes, amines, sulfides and many other odorous substances, and there is no deodorant that can effectively control such odorous substances. It is also causing another problem such as deterioration.
  • the adsorbent industrial deodorant
  • the odor generated after 24 hours is reduced by more than 98% to improve the working environment of workers, It will be useful as an industrial deodorant by bringing various effects such as securing a recycling point and solving odor complaints.
  • the adsorbent according to the present invention comprises: a first step of air drying with stirring the purified sludge; A second step of crushing the cold-dried purified sludge; A third step of mixing and stirring the phosphate material selected from the group consisting of waste phosphoric acid, regenerated phosphoric acid and phosphoric acid and stirring the crushed purified sludge for 10 to 30 hours; A fourth step of mixing and stirring a sulfuric acid material selected from the group consisting of waste sulfuric acid, regenerated sulfuric acid and sulfuric acid and the crushed purified sludge for 10 to 30 hours; A fifth step of powdering the resultant of the third and fourth steps by heating at 100 ° C. to 300 ° C.
  • the result of the third step and the fourth step through the sixth step may be prepared by a method consisting of the seventh step of mixing the mixing ratio (A) to 55%: 45% ⁇ A ⁇ 100: 0%.
  • the above method it is possible to mix the sludge with phosphate and sulfuric acid at the same time.
  • the above system and the system can be carried out by mixing the crushed sludge with the phosphate and sulfate. Do.
  • the deodorant of the present invention is preferably a phosphate material selected from the group consisting of waste phosphoric acid, regenerated phosphoric acid, phosphoric acid and a sulfuric acid material selected from the group consisting of a first deodorant, waste sulfuric acid, regenerative sulfuric acid, sulfuric acid It can be prepared by a method of preparing a second deodorant mixed with the water sludge, and a third deodorant mixed with the first deodorant and the second deodorant, the first deodorant and the second deodorant forming the third deodorant in the present invention
  • the content ratio (A) of preferably satisfies the range of 55:45 ⁇ A ⁇ 100: 0.
  • the first step of preparing the adsorbent is to perform cold air drying while stirring the purified sludge. While stirring may be used a general stirrer used in the art, it is preferred to use a rotary stirrer. In addition, it is preferable to carry out cold air drying or room temperature drying at the time of drying, and it is preferable to carry out drying for about 1 day-2 days or more preferably the period beyond.
  • the purified sludge After drying the purified sludge, it is crushed using a crusher, and then mixed with a mixture of waste phosphoric acid or regenerated phosphoric acid or phosphoric acid, and aged for 10 to 30 hours. In this case, ash may be used instead of the dried constant sludge.
  • the amount of waste phosphoric acid or regenerative phosphoric acid or phosphoric acid is preferably added in an amount of 5 parts by weight to 15 parts by weight based on the total mass of the purified sludge or ash.
  • the amount thereof is preferably about 5 parts by weight to 15 parts by weight based on the total amount of the purified sludge or ash.
  • the mixture is pulverized to 100 to 200 mesh, and then a mixture of purified sludge and / or ash and waste phosphoric acid (first deodorant), and a mixture of purified sludge and / or ash and waste sulfuric acid (second deodorant) Are mixed with each other to produce a final deodorant (third deodorant), the mixing ratio A of which is preferably 50:50 ⁇ A ⁇ 100: 10 by mass.
  • a total of four kinds of adsorbents can be produced as described above, and each of these adsorbents can be specialized for each application.
  • the sludge and / or ash was cold-dried for 1 day and then crushed using a crusher.
  • the sludge and / or ash was then mixed with waste phosphoric acid at a concentration of 63% or spent sulfuric acid at a concentration of 50% and heated at 200 for 10 hours, which was then ground to 200 mesh.
  • the amount of purified sludge, ash, waste phosphoric acid and waste sulfuric acid, and a detailed manufacturing method are shown in Table 1 below.
  • Table 1 Water purifier Ash Waste phosphate Spent sulfuric acid quite
  • Example 1 125 g 12g Prepared by mixing 125g of purified water with 12g of waste phosphoric acid and heating at 200 °C for 10 hours.
  • Example 2 125 g 12g Prepared by mixing 125g of purified water with 12g of waste sulfuric acid and heating at 200 °C for 10 hours.
  • Example 3 125 g 6.25 g 6.25 g Prepared by mixing 62.5g of purified water sludge with 6.25g of waste phosphoric acid and heating it at 200 °C for 10 hours, by mixing 62.5g of purified water with 6.25g of waste sulfuric acid and heating it at 200 °C for 10 hours
  • Example 4 62.5 g 62.5 g 12.5 g 62.5 g of purified water sludge and 62.5 g of ash were mixed first, and then mixed with 12.5 g of waste phosphoric acid and heated at 200 ° C. for 10 hours.
  • Example 5 62.5 g 62.5 g 12.5 g 62.5 g of purified water sludge and 62.5 g of ash are mixed first, and then mixed with 12.5 g of waste sulfuric acid and heated at 200 ° C. for 10 hours.
  • Example 6 62.5 g 62.5 g 62.5 g 62.5 g Prepared by mixing 62.5g of purified water sludge with 6.25g of waste phosphoric acid and heating it at 200 °C for 10 hours, by mixing 62.5g of purified water with 6.25g of waste sulfuric acid and heating it at 200 °C for 10 hours
  • Test Example 1 is applied to pig mortality reducing agent
  • Test Example 2 is applied to fertilizer additives
  • Test Example 3 is applied to activated carbon substitutes.
  • Example 4 shows an application example for the industrial deodorant, the adsorbent according to the present invention has a versatility that can be applied to various fields in addition to.
  • the deodorization experiment was performed using the pig mortality reducing agent prepared in Examples 1-6. 10 kg of pig powder was mixed in a mixed digestion reactor, mixed for 5 minutes, and mixed evenly. After 2 minutes of stirring with 2 kg of pig mortality reducing agent, the ammonia concentration was first measured by a detection tube. Are recorded and presented in Table 2.
  • Pig mortality reducing agent Elapsed time (minutes) Money (ppm) Pig meal + pig lung mortality reduction (ppm) Ammonia Control Rate (%)
  • Example 1 5 150 25 149 70 53.02 185 150 15 90.00 365 147 7 95.24 725 145 5 96.55 1445 140 2 98.57
  • Deodorization experiments were carried out using the fertilizer additives prepared in Examples 1-6. 10kg of the mixture is put into the mixed digestion reactor, mixed by stirring for 5 minutes, and then mixed with 1kg of quicklime and allowed to react for 1 hour to allow the hydration reaction to occur, and then 30 minutes after stirring with 2kg of the fertilizer additive. After measuring the ammonia concentration with a detector tube from the beginning, a total of 5 times was measured and the results were recorded and shown in Table 3.
  • Activated carbon substitutes were molded into pellets having a diameter of 5 mm, and then the adsorption amount and hardness of iodine were checked.
  • Adsorption experiments were performed using the industrial deodorant prepared in Examples 1-6.
  • the industrial deodorant (adsorbent) was molded into pellets with a diameter of 5 mm, and then put into a bag filter and installed in a odor prevention facility with a capacity of 20 cc / cm 2 / sec installed in the slaughterhouse. Presented in 5.
  • the adsorbent according to the present invention has excellent adsorptive power, and shows extremely excellent application as a pig lung deadener, manure fertilizer additive, activated carbon substitute, and industrial deodorant. It can be seen that the product has high economical efficiency.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Treatment Of Sludge (AREA)
  • Fertilizers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

L'invention concerne un adsorbant multifonctionnel contenant de boues d'épuration (ou des cendres), un matériau à base d'acide sulfurique et un matériau à base d'acide phosphorique. L'adsorbant selon l'invention contient, comme matériau principal, des boues d'épuration ou des cendres, de l'acide phosphorique usé ou de l'acide sulfurique usé. Cet adsorbant élimine l'ammoniac et le sulfure d'hydrogène, les composés polymères tels que les amines, les sulfures, les aldéhydes ou analogues et/ou la poussière et il peut donc avoir des fonctions multiples, notamment en tant qu'agent destiné à réduire le nombre de décès de porcs, en tant qu'additif à des engrais à base d'effluents avicoles, substitut de charbon actif, désodorisant, etc.
PCT/KR2010/000959 2009-02-17 2010-02-17 Adsorbant multifonctionnel a base de boues d'epuration ou de cendres et agent destine a ameliorer l'environnement du betail WO2010095842A2 (fr)

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KR1020090012725A KR101059387B1 (ko) 2009-02-17 2009-02-17 상수오니 또는 애쉬를 이용한 다기능성 흡착제 및 축사환경개선제

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KR101317574B1 (ko) * 2012-12-05 2013-10-11 신평산업(주) 총인 처리시설에서 발생되는 총인슬러지를 이용한 흡착제 제조 방법 및 이 방법에 의해 제조된 흡착제
CN103601262B (zh) * 2013-10-24 2016-05-25 北京师范大学 一种利用给水厂污泥去除废水中硫化氢的吸附柱方法
CN111389359B (zh) * 2020-03-26 2022-02-01 西北工业大学深圳研究院 一种基于硫酸盐还原污泥的生物炭吸附材料及其制备方法和应用

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JP2006061756A (ja) * 2004-08-24 2006-03-09 Toshiba Corp 炭化脱臭材の製造方法
KR100702602B1 (ko) * 2006-08-29 2007-04-02 태성건설 주식회사 하수슬러지 고화시 발생되는 악취 제거용 탈취제 제조방법및 그 제조된 탈취제

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Publication number Priority date Publication date Assignee Title
US3998756A (en) * 1974-06-17 1976-12-21 Hercules Incorporated Preparation of activated carbonaceous material from sewage sludge and sulfuric acid
US20020183197A1 (en) * 2001-03-29 2002-12-05 Youssef El-Shoubary Adsorption powder containing cupric chloride
JP2006061756A (ja) * 2004-08-24 2006-03-09 Toshiba Corp 炭化脱臭材の製造方法
KR100702602B1 (ko) * 2006-08-29 2007-04-02 태성건설 주식회사 하수슬러지 고화시 발생되는 악취 제거용 탈취제 제조방법및 그 제조된 탈취제

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