CN111138052A - Medical sludge treatment method - Google Patents
Medical sludge treatment method Download PDFInfo
- Publication number
- CN111138052A CN111138052A CN202010075018.3A CN202010075018A CN111138052A CN 111138052 A CN111138052 A CN 111138052A CN 202010075018 A CN202010075018 A CN 202010075018A CN 111138052 A CN111138052 A CN 111138052A
- Authority
- CN
- China
- Prior art keywords
- sludge
- stirring
- minutes
- water
- continuously
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/12—Hydraulic lime
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- 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
- C02F2303/02—Odour removal or prevention of malodour
-
- 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
- C02F2303/04—Disinfection
-
- 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
- C02F2303/06—Sludge reduction, e.g. by lysis
Abstract
The invention discloses a treatment method of medical sludge, which comprises the following steps: step 1, taking 5kg of medical sludge with the water content of 80-85%, taking 0.2g-0.7g of deodorant, diluting the deodorant with 3kg of tap water, fully and uniformly stirring the diluted deodorant and the sludge by using a stirrer, and performing deodorization treatment for 5 minutes; step 2, adding 0.2g to 1.0g of sodium pyrophosphate solution dissolved by 100g of warm water under the state of uniform stirring, and stirring for 5 to 10 minutes; and 3, filtering the sludge treated in the step 2 by using a vibrating screening sieve, and separating … … gravel from the sludge. The invention is characterized in that viruses and bacteria in the sludge are solved at high temperature, the harmful components such as heavy metal and the like can be effectively separated by strong oxidant, magnetic field and active material adsorption, and light bricks and environment-friendly building materials are produced according to different conditions and purposes after sludge treatment, so that the treated sludge is completely changed into valuables.
Description
Technical Field
The invention belongs to a sludge treatment method, and particularly relates to a treatment method of medical sludge.
Background
The medical sludge is a waste solid which is remained after sewage treatment of a hospital sewage treatment plant and can not be completely absorbed, and contains harmful components: such As cadmium (Cd), mercury (Hg), lead (Pb), chromium (Cr), arsenic (As), silver (Ag), hexavalent chromium (Cr6+), and bacteria, and has the dangerous characteristics of corrosivity, reactivity, and infection. The sludge is foul and smelly due to long-term sedimentation and fermentation, and the sludge is doped with a little gravel in the sedimentation process. If the environment-friendly treatment is not carried out in time or the treatment method is improper, the health of human beings and the damage to the environment are directly influenced, and the harm degree is conceivable, so the environment-friendly treatment of the sludge is urgently solved, and the treatment is not slow at all.
Disclosure of Invention
The invention aims to provide a treatment method of medical sludge with good effect.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the invention provides a medical sludge treatment method, which comprises the following steps:
step 1, taking 5kg of medical sludge with the water content of 80-85%, taking 0.2g-0.7g of deodorant, diluting the deodorant with 3kg of tap water, fully and uniformly stirring the diluted deodorant and the sludge by using a stirrer, and performing deodorization treatment for 5 minutes;
step 2, adding 0.2g to 1.0g of sodium pyrophosphate solution dissolved by 100g of warm water under the state of uniform stirring, and stirring for 5 to 10 minutes;
step 3, filtering the sludge treated in the step 2 by a vibrating screening sieve to separate gravel from the sludge;
step 4, adding the gravel separated in the step 3 into 0.2g-1.5g of calcium carbonate solution diluted by 10kg of tap water for soaking, uniformly stirring the mixture by using a stirrer for 20-30 minutes, discharging the liquid into a water pool for recycling, and reserving the gravel for subsequent use;
step 5, heating the sludge treated in the step 3 to 100-180 ℃ by using steam, wherein the heating time is 110-150 minutes;
step 6, cooling the sludge to normal temperature, adding 2kg of solution containing 0.2g to 0.8g of potassium permanganate, stirring for 5 minutes by using a stirrer, and then continuously adding 0.2kg to 1.1 kg of sodium peroxide under the condition of uniform stirring and continuing stirring for 5 to 10 minutes;
step 7, heating the sludge to 30-50 ℃ by using steam again under the condition that the stirring speed of the stirrer is uniform, adding 60-150 g of chitin solution in which 70g of chitin is dissolved by 30g of ethanol, and stirring for 10-15 minutes;
step 8, after cooling, adding quicklime water prepared by adding 1kg of tap water into 0.3kg to 1kg of quicklime, stirring for 2 to 5 minutes under the condition of uniform-speed stirring, adding 0.2g to 0.7g of ferrous sulfate solution again, stirring for 2 to 5 minutes, and carrying out primary reduction treatment;
step 9, adding 10g to 50g of acetic acid into the sludge reduced to the normal temperature under the condition of uniform rotating speed, continuously stirring for 5 minutes, and standing for 20 to 30 minutes;
step 10, continuously heating the sludge to 30-50 ℃ by using steam, stirring for 5 minutes, and sequentially adding 10-70 g of chitose solution, wherein the stirring time is 5-10 minutes;
step 11, continuously adding 10g to 50g of polyacrylamide under the constant stirring speed at normal temperature, and continuously stirring for 5 minutes;
step 12, pouring the treated sludge into a container with an electrode magnetic field, continuously stirring the sludge for 5 minutes, sequentially adding 20g-80g of tricyclohexylphosphine, continuously stirring for 5-10 minutes, adding 10g-80g of hydrogen peroxide again, and continuously stirring for 5-10 minutes;
step 13, adding 50g to 300g of active material again, and stirring for 5 to 10 minutes;
step 14, filtering the sludge by using a vibrating screen with a certain specification and mesh number, recovering active materials, treating the materials, and continuously utilizing the materials;
step 15, adding quicklime water prepared by adding 1kg of tap water into 0.3g-1.5g of quicklime at normal temperature, stirring for 2 minutes under the condition of uniform stirring speed, adding 0.2g-0.6g of ferrous sulfate solution again, stirring for 2 minutes, standing for 2 minutes, adding 0.5g-10g of sodium hydroxide solution again, stirring for 2 minutes, and carrying out second reduction treatment;
step 16, detecting the pH value of water in the sludge at normal temperature, and adjusting the pH value to be neutral by using proper quicklime;
step 17, dewatering the treated sludge to about 40% by using a filter press at normal temperature, and completely separating sludge and water;
step 18, crushing the mud cakes containing about 40 percent of water, and carrying out air drying treatment at 70-100 ℃;
and 19, adding the sludge dried in the step 18 and the gravel treated in the step 4 into the fly ash or rock powder, the quicklime, the stone particles and the cement according to the ratio of 6:2:1:0.5:2.5, adding a proper amount of PVC (polyvinyl chloride) coagulant, fully and uniformly stirring, and pressing and molding the materials by using molding equipment to prepare a cement product.
Advantageous effects
The invention is characterized in that viruses and bacteria in the sludge are solved at high temperature, the harmful components such as heavy metal and the like can be effectively separated by strong oxidant, magnetic field and active material adsorption, and light bricks and environment-friendly building materials are produced according to different conditions and purposes after sludge treatment, so that the treated sludge is completely changed into valuables.
The invention can effectively put an end to potential safety hazard and secondary pollution caused by sludge landfill, and simultaneously, the reduction landfill after sludge treatment is reduced as much as possible, so that harmless treatment in a real sense is realized and thorough recycling is realized.
The technical solution of the present invention will be further described with reference to the following embodiments.
Detailed Description
The invention provides a medical sludge treatment method, which comprises the following steps:
step 1, taking 5kg of sludge with the water content of 80-85%, taking 0.5g (or 0.2g or 0.7 g) of deodorant, diluting the deodorant with 3kg of tap water, fully and uniformly stirring the diluted deodorant and the sludge by using a stirrer, and performing deodorization treatment for 5-10 minutes;
step 2, adding 0.3g (or 0.2g or 1.0 g) of sodium pyrophosphate solution dissolved by 100g of warm water under the condition of uniform stirring, and stirring for 5-10 minutes, wherein the sodium pyrophosphate is a catalyst and can play an adsorption role on heavy metals;
step 3, filtering the sludge treated in the step 2 by a vibrating screening sieve to separate gravel from the sludge;
step 4, adding the gravel separated in the step 3 into 0.5kg (or 0.2g or 1.5 g) of calcium carbonate solution diluted by 10kg of tap water for soaking, stirring at a constant speed for 20-30 minutes by using a stirrer, discharging the liquid into a water pool for recycling, and reserving the gravel for subsequent use;
step 5, heating the sludge treated in the step 3 to 100-180 ℃ by using steam for 110-150 minutes to play a role in sterilization and disinfection;
step 6, cooling the sludge to normal temperature, adding 2kg of solution containing 0.5g (or 0.2g or 0.8 g) of potassium permanganate into a 304 stainless steel container, stirring for 5-10 minutes by using a stirrer, then continuously adding 0.5kg (0.2 kg or 1.1 kg) of sodium peroxide under the condition of uniform stirring speed, continuously stirring for 5-10 minutes, and separating heavy metal lead and chromium from the sludge by using a strong oxidant potassium permanganate and sodium peroxide to play a demulsification role, wherein the heavy metal lead and chromium can be disinfected, sterilized and deodorized;
step 7, heating the sludge to 30-50 ℃ by using steam again under the condition that the stirring speed of the stirrer is uniform, adding 100g (or 60g or 150 g) of chitin solution in which 70g of chitin is dissolved by 30g of ethanol, stirring for 10-15 minutes, and adsorbing heavy metal lead and chromium by using adsorbent chitin;
step 8, after cooling, adding quicklime water prepared by adding 1kg of tap water into 0.5kg (or 0.3kg or 1 kg) of quicklime, stirring for 2-5 minutes under the condition of uniform-speed stirring, adding 0.3g (or 0.2g or 0.7 g) of ferrous sulfate solution again, stirring for 2-5 minutes, and carrying out first reduction treatment;
step 9, adding 30g (or 10g or 50 g) of acetic acid into the sludge reduced to the normal temperature under the condition of uniform rotating speed, continuously stirring for 5 minutes, standing for 20-30 minutes, wherein the acetic acid is a strong oxidant, and can further separate heavy metals from the sludge while playing a demulsification role;
step 10, continuously heating the sludge to 10-30 ℃ by using steam, stirring for 5 minutes, adding 30g (or 10g or 50 g) of sodium thiosulfate, continuously stirring for catalysis, adding 30g (or 10g or 70 g) of chitose solution, stirring for 5-10 minutes, and adsorbing heavy metal lead and chromium by using catalyst sodium thiosulfate and adsorbing heavy metal chitose by using adsorbent;
step 11, under the state of stirring at constant speed at normal temperature, sequentially adding 30g (or 10g or 50 g) of polyacrylamide, and continuously stirring for 5 minutes, wherein the polyacrylamide is a flocculating agent and can flocculate sludge, and a foundation is laid for subsequent separation;
step 12, pouring the treated sludge into a container with an electrode magnetic field, continuously stirring the sludge for 5 minutes, sequentially adding 50g (or 20g or 80 g) of tricyclohexylphosphine, continuously stirring for 5-10 minutes, adding 50g (or 10g or 80 g) of hydrogen peroxide again, continuously stirring for 5-10 minutes, adsorbing heavy metals by using the magnetic field, and performing demulsification by using the hydrogen peroxide to separate the heavy metals from the sludge;
step 13, adding 200g (or 50g or 300 g) of active materials such as granular active carbon or porous active carbon, fine-pore active carbon and the like again, and stirring for 5-10 minutes;
step 14, filtering the sludge by using a vibrating screen with a certain specification and mesh number, recovering active materials, treating the materials, and continuously utilizing the materials;
step 15, adding quicklime water prepared by adding 1kg of tap water into 0.5kg (or 0.3g or 1.5 g) of quicklime at normal temperature, stirring for 2 minutes under the condition of uniform stirring, adding 0.3g (or 0.2g or 0.6 g) of ferrous sulfate solution again, stirring for 2 minutes, and carrying out second reduction treatment;
step 16, detecting the pH value of water in the sludge at normal temperature, and adjusting the pH value to be neutral by using proper quicklime;
step 17, dewatering the treated sludge to about 40% by using a filter press at normal temperature, and completely separating sludge and water;
step 18, crushing the mud cakes processed in the step 17, and carrying out air drying treatment at the temperature of 70-100 ℃;
and 19, adding the sludge dried in the step 18 and the gravel treated in the step 4 into fly ash or rock powder, quicklime, stone particles and cement (namely the sludge and the gravel 6, the fly ash or the rock powder 2, the quicklime 1, the stone particles 0.5 and the cement 2.5) according to the ratio of 6:2:1:0.5:2.5 respectively, adding a proper amount of PVC (polyvinyl chloride) coagulant by using a general stirring device, fully and uniformly stirring, and pressing and molding the materials by using a common molding device to form a cement product similar to a brick block shape.
The cement product prepared by the method can be used as a building foundation material for facilities such as building foundations, slope protection, river channel reinforcement, highways and the like.
Claims (1)
1. The treatment method of the medical sludge is characterized by comprising the following steps:
step 1, taking 5kg of medical sludge with the water content of 80-85%, taking 0.2g-0.7g of deodorant, diluting the deodorant with 3kg of tap water, fully and uniformly stirring the diluted deodorant and the sludge by using a stirrer, and performing deodorization treatment for 5 minutes;
step 2, adding 0.2g to 1.0g of sodium pyrophosphate solution dissolved by 100g of warm water under the state of uniform stirring, and stirring for 5 to 10 minutes;
step 3, filtering the sludge treated in the step 2 by a vibrating screening sieve to separate gravel from the sludge;
step 4, adding the gravel separated in the step 3 into 0.2g-1.5g of calcium carbonate solution diluted by 10kg of tap water for soaking, uniformly stirring the mixture by using a stirrer for 20-30 minutes, discharging the liquid into a water pool for recycling, and reserving the gravel for subsequent use;
step 5, heating the sludge treated in the step 3 to 100-180 ℃ by using steam, wherein the heating time is 110-150 minutes;
step 6, cooling the sludge to normal temperature, adding 2kg of solution containing 0.2g to 0.8g of potassium permanganate, stirring for 5 minutes by using a stirrer, and then continuously adding 0.2kg to 1.1 kg of sodium peroxide under the condition of uniform stirring and continuing stirring for 5 to 10 minutes;
step 7, heating the sludge to 30-50 ℃ by using steam again under the condition that the stirring speed of the stirrer is uniform, adding 60-150 g of chitin solution in which 70g of chitin is dissolved by 30g of ethanol, and stirring for 10-15 minutes;
step 8, after cooling, adding quicklime water prepared by adding 1kg of tap water into 0.3kg to 1kg of quicklime, stirring for 2 to 5 minutes under the condition of uniform-speed stirring, adding 0.2g to 0.7g of ferrous sulfate solution again, stirring for 2 to 5 minutes, and carrying out primary reduction treatment;
step 9, adding 10g to 50g of acetic acid into the sludge reduced to the normal temperature under the condition of uniform rotating speed, continuously stirring for 5 minutes, and standing for 20 to 30 minutes;
step 10, continuously heating the sludge to 30-50 ℃ by using steam, stirring for 5 minutes, and sequentially adding 10-70 g of chitose solution, wherein the stirring time is 5-10 minutes;
step 11, continuously adding 10g to 50g of polyacrylamide under the constant stirring speed at normal temperature, and continuously stirring for 5 minutes;
step 12, pouring the treated sludge into a container with an electrode magnetic field, continuously stirring the sludge for 5 minutes, sequentially adding 20g-80g of tricyclohexylphosphine, continuously stirring for 5-10 minutes, adding 10g-80g of hydrogen peroxide again, and continuously stirring for 5-10 minutes;
step 13, adding 50g to 300g of active material again, and stirring for 5 to 10 minutes;
step 14, filtering the sludge by using a vibrating screen with a certain specification and mesh number, recovering active materials, treating the materials, and continuously utilizing the materials;
step 15, adding quicklime water prepared by adding 1kg of tap water into 0.3g-1.5g of quicklime at normal temperature, stirring for 2 minutes under the condition of uniform stirring speed, adding 0.2g-0.6g of ferrous sulfate solution again, stirring for 2 minutes, standing for 2 minutes, adding 0.5g-10g of sodium hydroxide solution again, stirring for 2 minutes, and carrying out second reduction treatment;
step 16, detecting the pH value of water in the sludge at normal temperature, and adjusting the pH value to be neutral by using proper quicklime;
step 17, dewatering the treated sludge to about 40% by using a filter press at normal temperature, and completely separating sludge and water;
step 18, crushing the mud cakes containing about 40 percent of water, and carrying out air drying treatment at 70-100 ℃;
and 19, adding the sludge dried in the step 18 and the gravel treated in the step 4 into the fly ash or rock powder, the quicklime, the stone particles and the cement according to the ratio of 6:2:1:0.5:2.5, adding a proper amount of PVC (polyvinyl chloride) coagulant, fully and uniformly stirring, and pressing and molding the materials by using molding equipment to prepare a cement product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075018.3A CN111138052A (en) | 2020-01-22 | 2020-01-22 | Medical sludge treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075018.3A CN111138052A (en) | 2020-01-22 | 2020-01-22 | Medical sludge treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111138052A true CN111138052A (en) | 2020-05-12 |
Family
ID=70526851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010075018.3A Pending CN111138052A (en) | 2020-01-22 | 2020-01-22 | Medical sludge treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111138052A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304230A (en) * | 2022-07-22 | 2022-11-08 | 重庆大学 | Three-in-one method for sludge reduction, VFAs production and phosphorus recovery |
| CN116903201A (en) * | 2023-09-13 | 2023-10-20 | 北京建筑大学 | Heavy metal-PPCP composite medical wastewater integrated restoration treatment method and device |
| CN117003226A (en) * | 2023-09-28 | 2023-11-07 | 江苏钠博恩新材料有限公司 | Hard carbon composite material, preparation method and application thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010075901A (en) * | 2008-09-29 | 2010-04-08 | Hitachi Plant Technologies Ltd | Method for separating oil from sludge |
| CN101811814A (en) * | 2010-04-13 | 2010-08-25 | 张国清 | Mechanical dehydration treatment method for sludge modification |
| CN102702387A (en) * | 2012-06-18 | 2012-10-03 | 广东工业大学 | Preparation method and using method for sterilization type sludge dehydrant |
| CN104261536A (en) * | 2014-09-28 | 2015-01-07 | 佑景天（北京）国际水环境研究中心有限公司 | Efficient flocculating agent for rapidly removing heavy metals in water |
| CN104529396A (en) * | 2015-01-16 | 2015-04-22 | 邹汉成 | Method for making bricks by using household sludge |
| CN106905980A (en) * | 2017-03-02 | 2017-06-30 | 北京绿安创华环保科技股份有限公司 | A kind of heavy metal sewage sludge soil-repairing agent, preparation method and its application in sludge is dissolved |
| CN109293340A (en) * | 2018-09-21 | 2019-02-01 | 江苏腾业新型材料有限公司 | A kind of making brick from sludge method using biological deodorizing technology |
| CN109851451A (en) * | 2019-01-31 | 2019-06-07 | 李健 | A kind of 80 percent sludge of moisture content production organic compound fertilizer and manufacturing method |
| CN110024658A (en) * | 2019-03-23 | 2019-07-19 | 李健 | A method of with the sludge production organic media soil of moisture content 80 percent |
-
2020
- 2020-01-22 CN CN202010075018.3A patent/CN111138052A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010075901A (en) * | 2008-09-29 | 2010-04-08 | Hitachi Plant Technologies Ltd | Method for separating oil from sludge |
| CN101811814A (en) * | 2010-04-13 | 2010-08-25 | 张国清 | Mechanical dehydration treatment method for sludge modification |
| CN102702387A (en) * | 2012-06-18 | 2012-10-03 | 广东工业大学 | Preparation method and using method for sterilization type sludge dehydrant |
| CN104261536A (en) * | 2014-09-28 | 2015-01-07 | 佑景天（北京）国际水环境研究中心有限公司 | Efficient flocculating agent for rapidly removing heavy metals in water |
| CN104529396A (en) * | 2015-01-16 | 2015-04-22 | 邹汉成 | Method for making bricks by using household sludge |
| CN106905980A (en) * | 2017-03-02 | 2017-06-30 | 北京绿安创华环保科技股份有限公司 | A kind of heavy metal sewage sludge soil-repairing agent, preparation method and its application in sludge is dissolved |
| CN109293340A (en) * | 2018-09-21 | 2019-02-01 | 江苏腾业新型材料有限公司 | A kind of making brick from sludge method using biological deodorizing technology |
| CN109851451A (en) * | 2019-01-31 | 2019-06-07 | 李健 | A kind of 80 percent sludge of moisture content production organic compound fertilizer and manufacturing method |
| CN110024658A (en) * | 2019-03-23 | 2019-07-19 | 李健 | A method of with the sludge production organic media soil of moisture content 80 percent |
Non-Patent Citations (1)
| Title |
|---|
| 编辑委员会: "《环境保护与污水处理技术及应用》", 北京：文化发展出版社有限公司, pages: 104 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304230A (en) * | 2022-07-22 | 2022-11-08 | 重庆大学 | Three-in-one method for sludge reduction, VFAs production and phosphorus recovery |
| CN115304230B (en) * | 2022-07-22 | 2023-07-14 | 重庆大学 | Sludge reduction-VFAs production-phosphorus recovery three-in-one method |
| CN116903201A (en) * | 2023-09-13 | 2023-10-20 | 北京建筑大学 | Heavy metal-PPCP composite medical wastewater integrated restoration treatment method and device |
| CN116903201B (en) * | 2023-09-13 | 2023-12-05 | 北京建筑大学 | Heavy metal-PPCP composite medical wastewater integrated restoration treatment method and device |
| CN117003226A (en) * | 2023-09-28 | 2023-11-07 | 江苏钠博恩新材料有限公司 | Hard carbon composite material, preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111138052A (en) | Medical sludge treatment method | |
| JP5667637B2 (en) | Waste, especially sludge treatment method derived from wastewater purification | |
| CN104891779B (en) | A kind of Opsonizing method of combined type sludge high-efficiency dehydration | |
| US6015498A (en) | Coal ashes used for treating various media and facilities for using same | |
| CN107032567B (en) | Method for deodorizing and reducing municipal sludge | |
| CN104445863A (en) | Method for achieving deep sludge dehydration and energy utilization on plate-and-frame filter press | |
| CN107032568B (en) | Municipal sludge deodorization decrement processing system | |
| CN106396308A (en) | Excess activated sludge recycling method | |
| CN107512746B (en) | Filtering agent produced by municipal sludge and used for treating sewage and preparation method thereof | |
| CN109574105A (en) | A kind of the dirty water decontamination handles agent and its preparation process | |
| CN104399315A (en) | Method for simultaneously detoxicating and dehydrating cyanobacteria | |
| CN108341583A (en) | A kind of sludge dehydration conditioner and its dewatering | |
| CN110304755A (en) | A kind of wastewater treatment method and its processing system containing electrolytic manganese residues | |
| KR101967898B1 (en) | Dehydrating and drying method of sludge using chlorine dioxide and polar organic chemicals | |
| CN104129897B (en) | The dewatering process of one way of life mud | |
| CN105884144A (en) | Process for efficiently treating sewage | |
| CN100418907C (en) | Method and device for treating garbage percolation sewage using composite dieselguhr | |
| JP2792820B2 (en) | High-performance activated carbon and its production method | |
| CN105174546A (en) | Industrial wastewater treatment system | |
| CN109264962A (en) | A kind of method for sludge treatment and device | |
| CN211814058U (en) | Sludge resource treatment device | |
| CN108249735A (en) | A kind of municipal sludge processing method | |
| CN106927537A (en) | A kind of river course concave convex rod purification of water quality bag and preparation method | |
| CN109052538B (en) | Multifunctional water purification agent and preparation method thereof | |
| JPS5881498A (en) | Dehydration of organic sludge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |