CN106698880A - Preparation method of sludge based biochar doped with hair - Google Patents
Preparation method of sludge based biochar doped with hair Download PDFInfo
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- CN106698880A CN106698880A CN201611190534.0A CN201611190534A CN106698880A CN 106698880 A CN106698880 A CN 106698880A CN 201611190534 A CN201611190534 A CN 201611190534A CN 106698880 A CN106698880 A CN 106698880A
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- hair
- sludge
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- based biochar
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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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/18—PO4-P
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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
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a preparation method of sludge based biochar doped with hair. The preparation method comprises steps as follows: 1, air-dried municipal sludge is put in a drying oven to be dried to constant weight, crushed, ground and screened by a 200-mesh sieve, hair is ground and sieved, and 200-mesh powder is obtained; 2, the sludge and the hair are mixed in a ratio being (1-3):1 in parts by weight; 3, a mixture is put in an atmosphere muffle furnace for pyrolysis, the temperature is increased to 400-600 DEG C after introduction of nitrogen, kept for 2-3 h and then reduced to 80 DEG C, the mixture is discharged and cooled, and a pyrolysis product is obtained; 4), the product obtained in the step 3) is subjected to immersion cleaning with hydrochloric acid for 5 min, soaked with deionized water and filtered, the step is repeated 5 times, an oversized product is put in the drying oven and dried to constant weight, and the sludge based biochar doped with the hair is obtained. With the adoption of the preparation method, the preparation cost of the sludge based biochar is reduced, limitation of preparation of the sludge based biochar is overcome, so that the sludge and the waste hair are turned into wealth, and quality and sewage treatment performance of the sludge based biochar are improved to the great extent.
Description
Technical field
The present invention relates to a kind of sludge base charcoal, more particularly to a kind of preparation of the sludge base charcoal of the hair that adulterates
Method.
Background technology
Charcoal refers to the biomass remaining material after high temperature pyrolysis under anoxic conditions.Charcoal has larger ratio
Surface area and loose structure, with good absorption property, can adsorb heavy metal, the ammonia in water as sewage disposal adsorbent
Nitrogen, phosphate etc..
With Development of China's Urbanization, town sewage plant construction is advanced by leaps and bounds, and municipal sludge is total as sewage disposal accessory substance
Amount also drastically rises, if the mishandling secondary pollution that can cause environment.The treatment disposal of sludge has turned into current environment face
The Tough questions for facing.
In municipal sludge contain a certain amount of carbon, can as the raw material for preparing charcoal, but its also because contained by sludge into
Divide complexity, institute's phosphorus content is relatively low, therefore the simple charcoal quality being made of it and performance are compared with commercial biological charcoal gap very
Greatly, its range of application is also limited significantly with value.
Hair refers to human hair and pig, ox, chicken, the duck animal wool that pruning process is intended abandoning.The main component of hair
It is keratoprotein, the fine powder of formation is crushed after high temperature thermal denaturation, be incorporated into sludge, the phosphorus content of sludge can be improved, can
Make the sludge base charcoal quality of preparation more preferably, absorption property is more preferably.
The present invention takes and prepares charcoal to the hair that adulterated in sludge, improves the absorption property of sludge base charcoal, while
Realize the recycling of sludge and hair discarded object.
The content of the invention
Preparation method and application it is an object of the invention to provide a kind of sludge base charcoal of the hair that adulterates, with one kind
Simple exercisable mode, improves the performance of sludge base charcoal, lifts its absorption dirt-removing power in sewage disposal application.
The purpose of the present invention is achieved by the following scheme：
1st, municipal sludge is air-dried under field conditions (factors), is then placed in baking oven and is dried to constant weight in 105 DEG C, removes the debris such as stone
After be crushed to 4-8mm, then it is ground, cross 200 mesh sieves.Hair grinds after special equipment high temperature thermal denaturation, sieves, as 200
Purpose powder.
2nd, by sludge and hair according to weight portion 1~3:1 ratio is sufficiently mixed, standby.
3rd, the mixture of step (2) is inserted in atmosphere Muffle furnace and is pyrolyzed, be passed through the nitrogen 15min of 100-200mL/min,
400-600 DEG C is heated to the programming rate of 10-20 DEG C/min afterwards, after stopping 2-3h, stopping is heated and is cooled to 80 DEG C of dischargings,
It is placed on cooling in drier and obtains thermal decomposition product.
4th, the product of step (3) is embathed into 5min with the hydrochloric acid of 1M.Hydrochloric acid is filtered off, solid content is soaked with deionized water
Filtered after 20min, deionized water immersion is repeated 5 times with filtration step, then the upper thing of filter is put into baking oven in 105 DEG C of drying to perseverance
Weight, the final sludge base charcoal for obtaining doping hair.
Hair of the present invention refers to the human hair that pruning process is intended abandoning, and pig, ox, chicken, duck etc. other move
Thing fur.
The advantage of the invention is that：
The preparation cost of sludge base charcoal has been saved, the limitation of sludge base charcoal preparation has been overcome so that sludge
Turn waste into wealth with waste wool hair, while largely improving the quality and sewage disposal performance of sludge base charcoal.
Specific embodiment
Embodiment 1
(1) the municipal sludge (moisture content 72%) for coming will be fetched to air-dry under field conditions (factors), baking oven is then placed in 105 DEG C
Moisture is removed in baking, until taking out cooling after constant weight, removes the debris such as stone cleaning, with crusher in crushing to 4-8mm, then ground, mistake 200
Mesh sieve.Hair grinds after special equipment high temperature thermal denaturation, sieves, the powder as 200 mesh.
(2) the sludge and hair that 200 eye mesh screens will be crossed press 1:It is uniform that 1 ratio respectively takes 50g blending.
(3) will (2) blend homogeneous material and be put into the treatment of atmosphere Muffle furnace high temperature pyrolysis.Nitrogen is first passed through with 200mL/min speed
Gas 15min, then starts to warm up heating, and to 400 DEG C and temperature 3h is kept with 10 DEG C/min programming rates, closes heating system
Temperature fall to 80 DEG C is allowed to, taking-up material is placed on cooling in drier and obtains high temperature pyrolysis product.
(4) after high temperature pyrolysis product is cooled to room temperature, 5min is embathed with the hydrochloric acid of 1M.Filter off hydrochloric acid, by filter residue spend from
Sub- water immersion, is filtered after stirring and washing 15min, and the deionized water being repeated 5 times is embathed and filtration step.Finally the upper thing of filter is put into
In 105 DEG C of drying to constant weight, taking-up dries the sludge base biology that doping hair manufactured in the present embodiment is obtained after cooling down to baking oven
Charcoal finished product.
Determination of iodine value：Using the sludge base charcoal prepared by the present embodiment step, its iodine number is with specific surface area by simple
301.1mg/g, the 245.3m for the sludge base charcoal prepared using municipal sludge2/ g brings up to 501.1mg/g, 489.3m2/g。
The application of sewage disposal：Weigh 2g steps (5) gained finished product, phosphorus-containing wastewater of the input equipped with 1L electromechanics polishing processes
In, precipitated after stirring reaction, take supernatants after precipitation and determine its corresponding water quality index, show the doping hair sludge of the present embodiment
COD of the base charcoal to the waste waterCr, TN and TP clearances be respectively 53.9%, 22.1% and 96.7%, it is relatively simple using municipal administration
The sludge base charcoal that sludge is made improves 15.8%, 5.6% and 15.6% respectively.
Municipal sludge described in the present embodiment is taken from:Zhen Ban sewage treatment plants of Fuzhou City.
Embodiment 2
(1) the municipal sludge (moisture content 80%) for coming will be fetched to air-dry under field conditions (factors), baking oven is then placed in 105 DEG C
Moisture is removed in baking, until taking out cooling after constant weight, removes the debris such as stone cleaning, with crusher in crushing to 4-8mm, then ground, mistake 200
Mesh sieve.Hair grinds after special equipment high temperature thermal denaturation, sieves, the powder as 200 mesh.
(2) the sludge and hair that 200 eye mesh screens will be crossed press 2:It is uniform that 1 ratio respectively takes 100g and 50g blending.
(3) (2) step is blended homogeneous material and is put into the treatment of atmosphere Muffle furnace high temperature pyrolysis.It is first logical with 150mL/min speed
Enter nitrogen 15min, then start to warm up heating, temperature 2.5h to 500 DEG C and is kept with 15 DEG C/min programming rates, close plus
Hot systems are allowed to Temperature fall to 80 DEG C, and taking-up material is placed on cooling in drier and obtains high temperature pyrolysis product.
(4) after high temperature pyrolysis product is cooled to room temperature, 5min is embathed with the hydrochloric acid of 1M, filters off hydrochloric acid, by filter residue spend from
Sub- water immersion, is filtered after stirring and washing 15min, and the deionized water being repeated 5 times is embathed and filtration step.Finally the upper thing of filter is put into
In 105 DEG C of drying to constant weight, taking-up dries the sludge base biology that doping hair manufactured in the present embodiment is obtained after cooling down to baking oven
Charcoal finished product.
Determination of iodine value：Using the sludge base charcoal prepared by the present embodiment step, its iodine number is with specific surface area by simple
253.7mg/g, the 205.3m for the sludge base charcoal prepared using municipal sludge2/ g brings up to 446.6mg/g, 422.1m2/g。
The application of sewage disposal：Weigh 2g steps (5) gained finished product, phosphorus-containing wastewater of the input equipped with 1L electromechanics polishing processes
In, precipitated after stirring reaction, take supernatants after precipitation and determine its corresponding water quality index, show the doping hair sludge of the present embodiment
COD of the base charcoal to the waste waterCr, TN and TP clearances be respectively 49.9%, 20.6% and 93.5%, it is relatively simple using municipal administration
The sludge base charcoal that sludge is made improves 12.5%, 4.3% and 12.8% respectively.
Municipal sludge described in the present embodiment is taken from:Zhen Ban sewage treatment plants of Fuzhou City.
Embodiment 3
(1) the municipal sludge (moisture content 75%) for coming will be fetched to air-dry under field conditions (factors), baking oven is then placed in 105 DEG C
Moisture is removed in baking, until taking out cooling after constant weight, removes the debris such as stone cleaning, with crusher in crushing to 4-8mm, then ground, mistake 200
Mesh sieve.Hair grinds after special equipment high temperature thermal denaturation, sieves, the powder as 200 mesh.
(2) the sludge and hair that 200 eye mesh screens will be crossed press 3:It is uniform that 1 ratio respectively takes 150g and 50g blending.
(3) (2) step is blended homogeneous material and is put into the treatment of atmosphere Muffle furnace high temperature pyrolysis.It is first logical with 100mL/min speed
Enter nitrogen 15min, then start to warm up heating, temperature 2h to 600 DEG C and is kept with 20 DEG C/min programming rates, close heating
System is allowed to Temperature fall to 80 DEG C, and taking-up material is placed on cooling in drier and obtains high temperature pyrolysis product.
(4) after high temperature pyrolysis product is cooled to room temperature, embathe 5min with the hydrochloric acid of 1M and (5) filter off hydrochloric acid, filter residue is spent
Ionized water is soaked, and is filtered after stirring and washing 15min, and the deionized water being repeated 5 times is embathed and filtration step.Finally the upper thing of filter is put
Enter baking oven in 105 DEG C of drying to constant weight, taking-up dries after cooling down the sludge base for being to obtain doping hair manufactured in the present embodiment and gives birth to
Thing charcoal finished product.
Determination of iodine value：Using the sludge base charcoal prepared by the present embodiment step, its iodine number is with specific surface area by simple
215.2mg/g, the 163.3m for the sludge base charcoal prepared using municipal sludge2/ g, brings up to 392.6mg/g, 333.7m2/g。
The application of sewage disposal：Weigh 2g steps (5) gained finished product, phosphorus-containing wastewater of the input equipped with 1L electromechanics polishing processes
In, precipitated after stirring reaction, take supernatants after precipitation and determine its corresponding water quality index, show the doping hair sludge of the present embodiment
COD of the base charcoal to the waste waterCr, TN and TP clearances be respectively 44.3%, 18.3% and 86.1%, it is relatively simple using municipal administration
The sludge base charcoal that sludge is made improves 10.2%, 4.2% and 10.9% respectively.
Municipal sludge described in the present embodiment is taken from:Zhen Ban sewage treatment plants of Fuzhou City.
Claims (4)
1. it is a kind of adulterate hair sludge base charcoal preparation method, it is characterized in that：
1）Municipal sludge is air-dried under field conditions (factors), is then placed in baking oven and is dried to constant weight in 105 DEG C, is crushed to 4-8mm, then through grinding
Grind, cross 200 mesh sieves；Hair grinds after high temperature thermal denaturation, sieves, the powder as 200 mesh；
2）By sludge and hair according to weight portion 1~3:1 ratio is sufficiently mixed；
3）By step 2）Mixture insert in atmosphere Muffle furnace and be pyrolyzed, be passed through to heat up after nitrogen and be heated to 400-600 DEG C, stop
After 2-3h, stopping is heated and is cooled to 80 DEG C of dischargings, is placed on cooling in drier and is obtained thermal decomposition product；
4）By step 3）Product embathe 5min with the hydrochloric acid of 1M, hydrochloric acid is filtered off, after solid content is soaked into 20min with deionized water
Filtering, deionized water immersion is repeated 5 times with filtration step, then the upper thing of filter is put into baking oven in 105 DEG C of drying to constant weight, is finally obtained
Must be adulterated the sludge base charcoal of hair.
2. it is according to claim 1 it is a kind of adulterate hair sludge base charcoal preparation method, it is characterized in that described
Hair refers to the human hair that pruning process is abandoned, and pig, ox, chicken, duck animal skin.
3. it is according to claim 1 it is a kind of adulterate hair sludge base charcoal preparation method, it is characterized in that described
Nitrogen is passed through, throughput is 100-200 mL/min, and duration of ventilation is 15min.
4. it is according to claim 1 it is a kind of adulterate hair sludge base charcoal preparation method, it is characterized in that described
Heat up heating, and programming rate is 10-20 DEG C/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611190534.0A CN106698880A (en) | 2016-12-21 | 2016-12-21 | Preparation method of sludge based biochar doped with hair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611190534.0A CN106698880A (en) | 2016-12-21 | 2016-12-21 | Preparation method of sludge based biochar doped with hair |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857245A (en) * | 2017-11-01 | 2018-03-30 | 上海大学 | The preparation method of high bioavilability phosphorus containing sludge base Carbon Materials |
| CN109317098A (en) * | 2018-10-25 | 2019-02-12 | 肇庆市珈旺环境技术研究院 | A kind of sludge base mixed adsorbing material and preparation method thereof |
| CN110075792A (en) * | 2019-04-11 | 2019-08-02 | 兰州资源环境职业技术学院 | A kind of preparation method and application based on house refuse charcoal adsorbent material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09241015A (en) * | 1996-03-12 | 1997-09-16 | Ngk Insulators Ltd | Production of activated carbon from sewage sludge and device therefor |
| CN102078791A (en) * | 2011-01-05 | 2011-06-01 | 北京工业大学 | Sludge activated carbon and preparation method thereof |
| JP4919253B2 (en) * | 2005-08-03 | 2012-04-18 | 独立行政法人産業技術総合研究所 | Biological organic resource processing method and system |
| CN102530941A (en) * | 2011-12-16 | 2012-07-04 | 北京工业大学 | Sludge-based activated carbon and preparation method thereof |
| CN104003384A (en) * | 2013-02-27 | 2014-08-27 | 上海化学工业区中法水务发展有限公司 | Method for preparing activated carbon by using mixture of activated sludge and reed straws |
-
2016
- 2016-12-21 CN CN201611190534.0A patent/CN106698880A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09241015A (en) * | 1996-03-12 | 1997-09-16 | Ngk Insulators Ltd | Production of activated carbon from sewage sludge and device therefor |
| JP4919253B2 (en) * | 2005-08-03 | 2012-04-18 | 独立行政法人産業技術総合研究所 | Biological organic resource processing method and system |
| CN102078791A (en) * | 2011-01-05 | 2011-06-01 | 北京工业大学 | Sludge activated carbon and preparation method thereof |
| CN102530941A (en) * | 2011-12-16 | 2012-07-04 | 北京工业大学 | Sludge-based activated carbon and preparation method thereof |
| CN104003384A (en) * | 2013-02-27 | 2014-08-27 | 上海化学工业区中法水务发展有限公司 | Method for preparing activated carbon by using mixture of activated sludge and reed straws |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857245A (en) * | 2017-11-01 | 2018-03-30 | 上海大学 | The preparation method of high bioavilability phosphorus containing sludge base Carbon Materials |
| CN109317098A (en) * | 2018-10-25 | 2019-02-12 | 肇庆市珈旺环境技术研究院 | A kind of sludge base mixed adsorbing material and preparation method thereof |
| CN110075792A (en) * | 2019-04-11 | 2019-08-02 | 兰州资源环境职业技术学院 | A kind of preparation method and application based on house refuse charcoal adsorbent material |
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