CN106492750A - A kind of preparation method of mesoporous cattle manure charcoal heavy-metal adsorption material - Google Patents
A kind of preparation method of mesoporous cattle manure charcoal heavy-metal adsorption material Download PDFInfo
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- CN106492750A CN106492750A CN201610919028.4A CN201610919028A CN106492750A CN 106492750 A CN106492750 A CN 106492750A CN 201610919028 A CN201610919028 A CN 201610919028A CN 106492750 A CN106492750 A CN 106492750A
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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
- B01J20/02—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
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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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28078—Pore diameter
- B01J20/28083—Pore diameter being in the range 2-50 nm, i.e. mesopores
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- 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
-
- 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
Abstract
The present invention relates to a kind of preparation method of mesoporous cattle manure charcoal heavy-metal adsorption material, belongs to technical field of adsorption material preparation.The present invention is with cattle manure as raw material, cattle manure charcoal is obtained through dry in the sun carbonization, the solution soaking of metalline is used, and is used liquid nitrogen freezing, under the ice effect of splitting, made cattle manure charcoal internal expansion, expansion of pores, with cattle manure charcoal as substrate, nickel, aluminum are skeleton, and most the composite fermentation afterwards through plant homogenates and aspergillus niger is modified, meso-hole structure is ultimately formed, mesoporous cattle manure charcoal heavy-metal adsorption material is obtained.The advantages of good adsorption effect of mesoporous cattle manure charcoal heavy-metal adsorption material heavy metal prepared by the present invention, adsorption rate reach more than 97%；Utilization rate is high, greatly reduces the waste of adsorbing material, cost-effective.
Description
Technical field
The present invention relates to a kind of preparation method of mesoporous cattle manure charcoal heavy-metal adsorption material, belongs to adsorbing material technology of preparing
Field.
Background technology
Heavy-metal adsorption material is with silica gel as framework material, by activation, is coupled, is grafted having for various organo-functional groups
Machine/inorganic compounding functional material.Be mainly used in metallurgy industry various micro- (traces) amount heavy metal and organometallic absorption, separation,
Enrichment, purification and recovery；Water and wastewater treatment, industry/mining and metallurgy waste water and nuclear industry waste water is drunk in environmental protection industry (epi) for cities and towns
Process, water pollution control；It is used for manufacturing active substance such as aminoacid, peptide, protein, enzyme, various in pharmacy/biological engineering industry
The separating-purifying agent of antibiotic etc.；It is used for manufacturing catalyst, separating medium etc. in chemical industry.
With the continuous development of China's industrial or agricultural, the pollution problem for producing therefrom is increasingly serious, a substantial amounts of harmful huge sum of money
Category pollutant are entered in water, seriously threaten the healthy and ecological environment of the mankind；For this purpose, people come up with a variety of absorption
The method of material modification pollution administration thing, generally uses hydrothermal modification, chemical modification method, physical modification method, at present
Maximally effective method of modifying is the performance for changing adsorbing material by way of growth of microorganism, is the side grown using funguses
Formula makes the performance of the surface of solids be strengthened, but cannot change the internal structure of material, causes adsorbing material waste, utilization rate not
Height, so that the raising that absorption property cannot be overall；Therefore one kind can be worked out on this basis and not only can changes thing
The surface property of matter, the method that can also change material internal structure is the technology development of current microorganism modified absorbing material
Direction.
Content of the invention
The technical problem to be solved：For the method for modifying to natural adsorbing material common at present it is mostly
Hydrothermal modification, chemical modification and physical modification method, but these methods can only change the surface property of material, improve absorption
Effect, but material internal structure cannot be changed, cause adsorbing material to waste, utilization rate not high, absorption property integrally can not be carried
High the drawbacks of, the present invention, obtain cattle manure charcoal through dry in the sun carbonization, are used the solution soaking of metalline with cattle manure as raw material, and
With liquid nitrogen freezing, cattle manure charcoal internal expansion is made under the ice effect of splitting, expansion of pores, with cattle manure charcoal as substrate, nickel, aluminum are skeleton,
Composite fermentation most afterwards through plant homogenates and aspergillus niger is modified, ultimately forms meso-hole structure, obtains mesoporous cattle manure charcoal heavy metal and inhales
Enclosure material.The present invention increases its specific surface area by widening cattle manure charcoal internal void, improves its physical adsorbability, then by micro-
Biological and plant homogenates ferment, and in the organic acid such as cattle manure carbon surface and internal void load kojic acid, tartaric acid, citric acid, utilize
The characteristic of its complexation of metal ions, further increases the chemical adsorptivity of cattle manure charcoal, not only changes the surface property of material,
Change the internal structure of material again, make the absorption more thorough, utilization rate of material higher, also greatly reduce the wave of adsorbing material
Take, it is achieved that the overall raising of absorption property, have broad application prospects
For solving above-mentioned technical problem, the technical solution used in the present invention is：
（1）Weigh 10～20kg cattle manures to be laid in bamboo sieve, exposure in the sun is put 5～7 days up to cattle manure water content less than 5%,
Cattle manure after drying is crushed with jet mill and discharge after 10～15min, obtained cattle manure granule, then cattle manure granule is put into charcoal
Change in stove, under nitrogen atmosphere with 500～600 DEG C of insulation 3～5h of carbonization, obtain cattle manure charcoal granule；
（2）Weigh in 400～500g cattle manure charcoal granules obtained above immersion 3～5L dehydrated alcohol, with blender stirring 10～
15min obtains mixed liquor, then adds 30～40g phosphoamides, 3～5g Dodecyl trimethyl ammonium chloride, 6～8g in mixed liquor
Nickel nitrate and 10～12g aluminum chloride, proceed in sonic oscillation instrument, with 200～300W power ultrasonics vibration 12～14h of dipping, mistake
Isolated filtering residue is filtered, and 5～10min is freezed with liquid nitrogen spraying immediately, is treated that its clear-cutting forestland, to room temperature, obtains final product pretreatment cattle manure
Charcoal；
（3）Weigh 2～3kg Fructus Citri Limoniaes, 3～5kg Fructus Vitis viniferaes and 6～8kg tamarinds be sequentially placed in tissue pulverizer crush 15～
Ground product is proceeded to refiner 20～30min of homogenate after terminating and obtains mixed slurry by 20min, crushing again, by above-mentioned pretreatment cattle
Fermentation tank is put in excrement charcoal loading gauze bag, then the mixed slurry of 5～8 times of cattle manure charcoal gross mass is added in fermentation tank until will
Gauze bag is completely covered, and obtains mixed fermentation substrate；
（4）It is 10% access aspergillus niger, insulation at 35～40 DEG C after sealing tank mouth in above-mentioned mixed fermentation substrate by inoculum concentration
Fermentation 7～9 days, takes out gauze bag after fermentation ends, pour out the modified cattle manure charcoal of fermentation, then be laid on Folium Nelumbinis, put
Temperature be 30～40 DEG C, relative air humidity be 60～80% in the environment of, every 12h on cattle manure charcoal 2～3L of sprinkle biogas
Liquid makes which naturally mouldy 10～14 days；
（5）When above-mentioned mouldy cattle manure carbon surface Hyphal length reaches 0.5～1.0mm, cattle manure charcoal is put in high temperature sterilize pot,
Sterilize at 120～130 DEG C 10～15min, then moves into vacuum freeze-drying machine, lyophilization at -30～-25 DEG C, after pack i.e.
Obtain mesoporous cattle manure charcoal heavy-metal adsorption material.
The application process of the present invention：The mesoporous cattle manure charcoal heavy-metal adsorption material for weighing 20～25mg present invention preparations is placed in
100～125mL concentration is in 40mg/mL industrial wastewater containing chromiums, after being mixed, and is placed in shaking table and vibrates 1～2h, and controlling rotating speed is
130～150rpm, adsorption temp be 25～27min, to be adsorbed after the completion of, filter, collect filtrate, measure the chrome content in filtrate
1.2mg/L is less than, adsorption rate reaches more than 97%, and adsorption effect is obvious.
Compared with additive method, Advantageous Effects are the present invention：
（1）The advantages of good adsorption effect of mesoporous cattle manure charcoal heavy-metal adsorption material heavy metal prepared by the present invention, adsorption rate reach
More than 97%；
（2）Mesoporous cattle manure charcoal heavy-metal adsorption material utilization rate prepared by the present invention is high, greatly reduces the waste of adsorbing material,
Cost-effective.
Specific embodiment
Weigh 10～20kg cattle manures first to be laid in bamboo sieve, exposure in the sun 5～7 days is put until cattle manure water content is low
In 5%, the cattle manure after drying is crushed with jet mill and discharge after 10～15min, obtain cattle manure granule, then by cattle manure granule
It is put in retort, under nitrogen atmosphere with 500～600 DEG C of insulation 3～5h of carbonization, obtains cattle manure charcoal granule；Weigh 400～
In 500g cattle manure charcoal granule immersion 3～5L dehydrated alcohol obtained above, 10～15min is stirred with blender and obtains mixed liquor,
30～40g phosphoamide, 3～5g Dodecyl trimethyl ammonium chloride, 6～8g nickel nitrate and 10～12g are added in mixed liquor again
Aluminum chloride, proceeds in sonic oscillation instrument, with 200～300W power ultrasonics vibration 12～14h of dipping, is separated by filtration and obtains filtering residue,
5～10min is freezed with liquid nitrogen spraying immediately, its clear-cutting forestland is treated to room temperature, is obtained final product pretreatment cattle manure charcoal；Weigh 2～3kg lemons
Lemon, 3～5kg Fructus Vitis viniferaes and 6～8kg tamarinds are sequentially placed into 15～20min of crushing in tissue pulverizer, crush after terminating again by powder
Mince proceed to refiner be homogenized 20～30min obtain mixed slurry, will above-mentioned pretreatment cattle manure charcoal load gauze bag in be put into send out
Fermentation tank, then the mixed slurry of 5～8 times of cattle manure charcoal gross mass is added until gauze bag to be completely covered in fermentation tank, mixed
Close fermentation substrate；Aspergillus niger is accessed by inoculum concentration in above-mentioned mixed fermentation substrate for 10%, after sealing tank mouth at 35～40 DEG C
Heat-preservation fermentation 7～9 days, takes out gauze bag after fermentation ends, pour out the modified cattle manure charcoal of fermentation, then be laid in Folium Nelumbinis
On, be placed in the environment of temperature is 60～80% for 30～40 DEG C, relative air humidity, every 12h on cattle manure charcoal sprinkle 2～
3L methane liquids make which naturally mouldy 10～14 days；When above-mentioned mouldy cattle manure carbon surface Hyphal length reaches 0.5～1.0mm, will
Cattle manure charcoal is put in high temperature sterilize pot, and sterilize at 120～130 DEG C 10～15min, then moves into vacuum freeze-drying machine, -30～-
Lyophilization at 25 DEG C, obtains final product mesoporous cattle manure charcoal heavy-metal adsorption material after pack.
Example 1
Weigh 20kg cattle manures first to be laid in bamboo sieve, exposure in the sun 7 days is put until cattle manure water content will be dried less than 5%
Cattle manure afterwards is crushed with jet mill and discharge after 15min, obtains cattle manure granule, then cattle manure granule is put in retort,
With 600 DEG C of insulation 3～5h of carbonization under nitrogen atmosphere, cattle manure charcoal granule is obtained；Weigh 500g cattle manure charcoal granule leachings obtained above
Enter in 5L dehydrated alcohol, 15min is stirred with blender and obtain mixed liquor, then add 40g phosphoamides, 5g dodecyls in mixed liquor
Trimethyl ammonium chloride, 8g nickel nitrates and 12g aluminum chloride, proceed in sonic oscillation instrument, with 300W power ultrasonics vibration dipping 14h,
Be separated by filtration and obtain filtering residue, 10min is freezed with liquid nitrogen spraying immediately, treat its clear-cutting forestland to room temperature, obtain final product pretreatment cattle manure charcoal；
Weigh 3kg Fructus Citri Limoniaes, 5kg Fructus Vitis viniferaes and 8kg tamarinds and be sequentially placed into crushing 20min in tissue pulverizer, crush after terminating again by powder
Mince proceed to refiner homogenate 30min obtain mixed slurry, will above-mentioned pretreatment cattle manure charcoal load gauze bag in be put into fermentation tank,
The mixed slurry of 8 times of cattle manure charcoal gross mass is added in fermentation tank until gauze bag to be completely covered again, obtains mixed fermentation bottom
Thing；By inoculum concentration be 10% in above-mentioned mixed fermentation substrate access aspergillus niger, sealing tank mouth after at 40 DEG C heat-preservation fermentation 9 days,
Gauze bag is taken out after fermentation ends, the modified cattle manure charcoal of fermentation is poured out, then is laid on Folium Nelumbinis, be placed on temperature for 40
DEG C, relative air humidity be 80% in the environment of, every 12h, on cattle manure charcoal, sprinkle 3L methane liquids make which naturally mouldy 14 days；Treat
When above-mentioned mouldy cattle manure carbon surface Hyphal length reaches 1.0mm, cattle manure charcoal is put in high temperature sterilize pot, is sterilized at 130 DEG C
15min, then vacuum freeze-drying machine is moved into, lyophilization at -25 DEG C obtains final product mesoporous cattle manure charcoal heavy-metal adsorption material after pack.
Weigh mesoporous cattle manure charcoal heavy-metal adsorption material prepared by the 25mg present invention to be placed in 125mL concentration and contain for 40mg/mL
In chromium industrial wastewater, after being mixed, shaking table vibration 2h being placed in, rotating speed being controlled for 150rpm, adsorption temp is 27min, waits to inhale
After the completion of attached, filter, collect filtrate, it is 1.0mg/L to measure chrome content in filtrate, adsorption rate reaches 97.5%, adsorption effect
Good.
Example 2
Weigh 10kg cattle manures first to be laid in bamboo sieve, exposure in the sun 5 days is put until cattle manure water content will be dried less than 5%
Cattle manure afterwards is crushed with jet mill and discharge after 10min, obtains cattle manure granule, then cattle manure granule is put in retort,
With 500 DEG C of insulation carbonization 3h under nitrogen atmosphere, cattle manure charcoal granule is obtained；Weigh 400g cattle manure charcoal granules obtained above and immerse 3L
In dehydrated alcohol, mixed liquor is obtained with blender stirring 10min, then add 30g phosphoamides, 3g dodecyls three in mixed liquor
Ammonio methacrylate, 6g nickel nitrates and 10g aluminum chloride, proceed in sonic oscillation instrument, with 200W power ultrasonics vibration dipping 12h, mistake
Isolated filtering residue is filtered, and 5min is freezed with liquid nitrogen spraying immediately, is treated its clear-cutting forestland to room temperature, obtain final product pretreatment cattle manure charcoal；Claim
Take 2kg Fructus Citri Limoniaes, 3kg Fructus Vitis viniferaes and 6kg tamarinds and be sequentially placed into crushing 15min in tissue pulverizer, crush
Thing proceeds to refiner homogenate 20min and obtains mixed slurry, above-mentioned pretreatment cattle manure charcoal is loaded in gauze bag and is put into fermentation tank, then
The mixed slurry of 5 times of cattle manure charcoal gross mass is added until gauze bag to be completely covered in fermentation tank, mixed fermentation substrate is obtained；
By inoculum concentration be 10% in above-mentioned mixed fermentation substrate access aspergillus niger, sealing tank mouth after at 35 DEG C heat-preservation fermentation 7 days, send out
Ferment takes out gauze bag after terminating, and pours out the modified cattle manure charcoal of fermentation, then is laid on Folium Nelumbinis, be placed on temperature for 30 DEG C,
In the environment of relative air humidity is 60%, every 12h, on cattle manure charcoal, sprinkle 2L methane liquids make which naturally mouldy 10 days；Treat
When stating mouldy cattle manure carbon surface Hyphal length and reaching 0.5mm, cattle manure charcoal is put in high temperature sterilize pot, is sterilized at 120 DEG C
10min, then vacuum freeze-drying machine is moved into, lyophilization at -30 DEG C obtains final product mesoporous cattle manure charcoal heavy-metal adsorption material after pack.
Weigh mesoporous cattle manure charcoal heavy-metal adsorption material prepared by the 20mg present invention to be placed in 100mL concentration and contain for 40mg/mL
In chromium industrial wastewater, after being mixed, shaking table vibration 1h being placed in, rotating speed being controlled for 130rpm, adsorption temp is 25min, waits to inhale
After the completion of attached, filter, collect filtrate, it is 0.9mg/L to measure chrome content in filtrate, adsorption rate reaches 97.7%, adsorption effect
Good.
Example 3
Weigh 15kg cattle manures first to be laid in bamboo sieve, exposure in the sun 6 days is put until cattle manure water content will be dried less than 5%
Cattle manure afterwards is crushed with jet mill and discharge after 12min, obtains cattle manure granule, then cattle manure granule is put in retort,
With 520 DEG C of insulation carbonization 4h under nitrogen atmosphere, cattle manure charcoal granule is obtained；Weigh 450g cattle manure charcoal granules obtained above and immerse 4L
In dehydrated alcohol, mixed liquor is obtained with blender stirring 12min, then add 35g phosphoamides, 4g dodecyls three in mixed liquor
Ammonio methacrylate, 7g nickel nitrates and 11g aluminum chloride, proceed in sonic oscillation instrument, with 250W power ultrasonics vibration dipping 13h, mistake
Isolated filtering residue is filtered, and 7min is freezed with liquid nitrogen spraying immediately, is treated its clear-cutting forestland to room temperature, obtain final product pretreatment cattle manure charcoal；Claim
Take 3kg Fructus Citri Limoniaes, 4kg Fructus Vitis viniferaes and 7kg tamarinds and be sequentially placed into crushing 17min in tissue pulverizer, crush
Thing proceeds to refiner homogenate 25min and obtains mixed slurry, above-mentioned pretreatment cattle manure charcoal is loaded in gauze bag and is put into fermentation tank, then
The mixed slurry of 7 times of cattle manure charcoal gross mass is added until gauze bag to be completely covered in fermentation tank, mixed fermentation substrate is obtained；
By inoculum concentration be 10% in above-mentioned mixed fermentation substrate access aspergillus niger, sealing tank mouth after at 37 DEG C heat-preservation fermentation 5 days, send out
Ferment takes out gauze bag after terminating, and pours out the modified cattle manure charcoal of fermentation, then is laid on Folium Nelumbinis, be placed on temperature for 35 DEG C,
In the environment of relative air humidity is 70%, every 12h, on cattle manure charcoal, sprinkle 2L methane liquids make which naturally mouldy 12 days；Treat
When stating mouldy cattle manure carbon surface Hyphal length and reaching 0.7mm, cattle manure charcoal is put in high temperature sterilize pot, is sterilized at 125 DEG C
12min, then vacuum freeze-drying machine is moved into, lyophilization at -27 DEG C obtains final product mesoporous cattle manure charcoal heavy-metal adsorption material after pack.
It is that 40mg/mL contains chromium to weigh the 23mg mesoporous cattle manure charcoal heavy-metal adsorption materials for preparing of the invention and be placed in 110L concentration
In industrial wastewater, after being mixed, shaking table vibration 1h being placed in, rotating speed being controlled for 140rpm, adsorption temp is 26min, to be adsorbed
After the completion of, filter, collect filtrate, it is 0.8mg/L to measure chrome content in filtrate, and adsorption rate reaches 98.0%, advantages of good adsorption effect.
Claims (1)
1. a kind of preparation method of mesoporous cattle manure charcoal heavy-metal adsorption material, it is characterised in that concrete preparation process is：
（1）Weigh 10～20kg cattle manures to be laid in bamboo sieve, exposure in the sun is put 5～7 days up to cattle manure water content less than 5%,
Cattle manure after drying is crushed with jet mill and discharge after 10～15min, obtained cattle manure granule, then cattle manure granule is put into charcoal
Change in stove, under nitrogen atmosphere with 500～600 DEG C of insulation 3～5h of carbonization, obtain cattle manure charcoal granule；
（2）Weigh in 400～500g cattle manure charcoal granules obtained above immersion 3～5L dehydrated alcohol, with blender stirring 10～
15min obtains mixed liquor, then adds 30～40g phosphoamides, 3～5g Dodecyl trimethyl ammonium chloride, 6～8g in mixed liquor
Nickel nitrate and 10～12g aluminum chloride, proceed in sonic oscillation instrument, with 200～300W power ultrasonics vibration 12～14h of dipping, mistake
Isolated filtering residue is filtered, and 5～10min is freezed with liquid nitrogen spraying immediately, is treated that its clear-cutting forestland, to room temperature, obtains final product pretreatment cattle manure
Charcoal；
（3）Weigh 2～3kg Fructus Citri Limoniaes, 3～5kg Fructus Vitis viniferaes and 6～8kg tamarinds be sequentially placed in tissue pulverizer crush 15～
Ground product is proceeded to refiner 20～30min of homogenate after terminating and obtains mixed slurry by 20min, crushing again, by above-mentioned pretreatment cattle
Fermentation tank is put in excrement charcoal loading gauze bag, then the mixed slurry of 5～8 times of cattle manure charcoal gross mass is added in fermentation tank until will
Gauze bag is completely covered, and obtains mixed fermentation substrate；
（4）It is 10% access aspergillus niger, insulation at 35～40 DEG C after sealing tank mouth in above-mentioned mixed fermentation substrate by inoculum concentration
Fermentation 7～9 days, takes out gauze bag after fermentation ends, pour out the modified cattle manure charcoal of fermentation, then be laid on Folium Nelumbinis, put
Temperature be 30～40 DEG C, relative air humidity be 60～80% in the environment of, every 12h on cattle manure charcoal 2～3L of sprinkle biogas
Liquid makes which naturally mouldy 10～14 days；
（5）When above-mentioned mouldy cattle manure carbon surface Hyphal length reaches 0.5～1.0mm, cattle manure charcoal is put in high temperature sterilize pot,
Sterilize at 120～130 DEG C 10～15min, then moves into vacuum freeze-drying machine, lyophilization at -30～-25 DEG C, after pack i.e.
Obtain mesoporous cattle manure charcoal heavy-metal adsorption material.
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| CN107029750A (en) * | 2017-05-14 | 2017-08-11 | 蒋春霞 | A kind of preparation method of the long-acting high activity denitrating catalyst of self refresh |
| CN107715647A (en) * | 2017-06-17 | 2018-02-23 | 江苏奔拓电气科技有限公司 | A kind of kitchen garbage organic waste gas treatment device and its application process |
| CN108395337A (en) * | 2018-05-30 | 2018-08-14 | 郭迎庆 | A kind of preparation method of diatom soil matrix anti-caking agent for fertilizer |
| CN108636373A (en) * | 2018-06-01 | 2018-10-12 | 太原理工大学 | A kind of fungi is modified the preparation method of biogas residue heavy metal absorbent |
| CN111116012A (en) * | 2020-02-18 | 2020-05-08 | 鸿泰瑞佶环保(北京)有限公司 | Sludge conditioner and application treatment method thereof |
| CN111389366A (en) * | 2020-04-20 | 2020-07-10 | 南华大学 | Modification method of activated carbon, modified activated carbon and application thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029750A (en) * | 2017-05-14 | 2017-08-11 | 蒋春霞 | A kind of preparation method of the long-acting high activity denitrating catalyst of self refresh |
| CN107715647A (en) * | 2017-06-17 | 2018-02-23 | 江苏奔拓电气科技有限公司 | A kind of kitchen garbage organic waste gas treatment device and its application process |
| CN108395337A (en) * | 2018-05-30 | 2018-08-14 | 郭迎庆 | A kind of preparation method of diatom soil matrix anti-caking agent for fertilizer |
| CN108636373A (en) * | 2018-06-01 | 2018-10-12 | 太原理工大学 | A kind of fungi is modified the preparation method of biogas residue heavy metal absorbent |
| CN111116012A (en) * | 2020-02-18 | 2020-05-08 | 鸿泰瑞佶环保(北京)有限公司 | Sludge conditioner and application treatment method thereof |
| CN111389366A (en) * | 2020-04-20 | 2020-07-10 | 南华大学 | Modification method of activated carbon, modified activated carbon and application thereof |
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Application publication date: 20170315 |