CN103979534A - Active carbon preparing method by adopting walnut shell as raw material and application of the active carbon - Google Patents

Active carbon preparing method by adopting walnut shell as raw material and application of the active carbon Download PDF

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CN103979534A
CN103979534A CN201410202616.7A CN201410202616A CN103979534A CN 103979534 A CN103979534 A CN 103979534A CN 201410202616 A CN201410202616 A CN 201410202616A CN 103979534 A CN103979534 A CN 103979534A
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gac
active carbon
fertilizer
raw material
negative pressure
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CN103979534B (en
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刘志军
王占武
李明
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SHIJIAZHUANG GOLDEN SUN BIO-ORGANIC FERTILIZER CO LTD
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SHIJIAZHUANG GOLDEN SUN BIO-ORGANIC FERTILIZER CO LTD
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Abstract

The invention relates to an active carbon preparing method by adopting walnut shell as raw material and an application of the active carbon. The walnut shell is adopted as the raw material. The active carbon is prepared by adoption of a vacuum pyrolysis method through steps of smashing, drying, charring, puffing for activation, cooling, discharging, sieving, and the like. The obtained active carbon is applied as a microbial fertilizer carrier. The preparing method and the application are advantaged by: short production period, low reaction temperature, low production cost, low energy consumption, no pollution to the environment, and capability of improving the soil granular structure, reducing soil hardening, enhancing the water retention property of the soil, playing a role of nitrogen-fixation controlled release fertilizers, and reducing the using amount of fertilizers and decomposed crop straw when the active carbon is applied as a microbial fertilizer carrier and used in the agriculture.

Description

A kind ofly take nut-shell and prepare method and the application of gac as raw material
Technical field
The present invention relates to gac preparation field, particularly a kind ofly with nut-shell, prepare the method for gac and using the application as microorganism fertilizer carrier of the gac that obtains.
Background technology
Current domestic Activated Carbon Production manufacturing process exists high pollution, high energy consumption, many defects such as expensive, the development of activated carbon industry and the application of product have seriously been restricted, and the organic resource of producing gac is as wide in resource branch regions such as wood chip, shell, fruit stones, as not being used, has not only caused the wasting of resources also to form environmental pollution.Take walnut as example, and many enterprises are edible for convenience of human consumer in recent years, in advance walnut shell-breaking taken out to walnut kernel, then, by selling after walnut kernel frying processing, produced thus a large amount of walnut duricrusts again.These duricrust quality are firmly close, not perishable, stack the easy contaminate environment in field, are substantially all at present to adopt the mode of burning to process.Although provided some in part technical literature, utilize nut-shell to prepare the method for gac, these preparation methods mainly be take chemical activation method and physical activation method as main.Chemical activation method is that raw material is mixed, floods after for some time with pharmaceutical chemicals with certain proportion; a kind of preparation method under the protection of rare gas element, charing and activation being carried out simultaneously; conventional activator mostly is highly basic and strong acid; during this method operation, there is certain danger; the waste liquid producing is difficult to reuse, and environmental pollution is serious and technique is complicated.And physical activation method is that raw material is first carried out after 600~800 ℃ of left and right high temperature carbonizations, under 600~1200 ℃ of left and right, carbide is activated, this method temperature of reaction is high again, and soak time is long, generally more than tens hours, and facility investment is large, energy consumption is high.Therefore providing that a kind of pollution-free, less energy-consumption, production cost are low, the Activated Carbon Production technology of less investment, has been current scientific and technological environment-friendly type market economic development technical problem urgently to be resolved hurrily.
In addition, use at present gac to have no report as microorganism fertilizer carrier.By take the microorganism fertilizer that gac is carrier, for the cash crop such as agriculture flowers, booth vegetable, fruit and agriculture land for growing field crops, use, at rural economy crop improved seeds, cultivate, having wide market and application prospect aspect green agriculture production development.Microorganism fertilizer common vector has the agricultural crop straw, rice husk of cow dung, pulverizing etc., and these carriers all exist that the bacterial manure shelf time is short and miscellaneous bacteria is many, assorted native foreign material composition and the situation such as objectionable impurities is many, have a strong impact on survival and the breeding of thalline.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, provides that a kind of pollution-free, less energy-consumption, production cost are low, the preparing active carbon method and using the application as microorganism fertilizer carrier of the gac that obtains with nut-shell of less investment.
The technical solution adopted for the present invention to solve the technical problems is:
The nut-shell of take is prepared the method for gac as raw material, and the method comprises the following steps:
A) pulverize: by nut-shell clean air-dry after, grinding screen is divided into the particle of 1~2mm particle diameter;
B) dry: the walnut shell particle in step a), under 600mmHg negative pressure of vacuum condition, is warming up to 120 ℃ in stirring, dry 1~2 hour in inherent the continuing of Reaktionsofen;
C) charing: when water content≤5% of walnut shell particle, under 600mmHg negative pressure of vacuum condition, continue to be warming up to 400~450 ℃ of charings 4~6 hours;
D) expanded, activation: under 400~450 ℃ and 600mmHg negative pressure of vacuum condition, at least divide and be filled with the 3m that total amount is 280Kpa~330Kpa for three times 3water vapor is to step c) raw material made carries out expanded, activation, and be wherein filled with volume is 1m at every turn 3water vapor after stop filling vapour, when furnace pressure drops to 600mmHg negative pressure of vacuum, be again filled with water vapor;
E) cooling: as d) be filled with for the last time when water vapor finishes and furnace pressure drops to 600mmHg negative pressure of vacuum in step and cool;
F) discharging screening: discharging when temperature is down to 60 ℃ in stove, screening obtains the active carbon finished products of 0.2~1.2mm particle diameter.
In above-mentioned steps, the initial temperature rise rate of step b) is controlled at 0.5 ℃/min, and when being warmed up to 60 ℃, temperature rise rate is adjusted into 1 ℃/min, and the temperature rise rate of step c) is controlled at 1 ℃/min; By adding thermogenetic gas importing burner in step b), step c), it is Reaktionsofen boosting.
By above-mentioned, a kind ofly using nut-shell and prepare the gac that method was obtained of gac as the application of microorganism fertilizer carrier as raw material.
Liquid composite bio-fertilizer by the living bacteria count >=2.0 hundred million/g of described gac and the production of Shijiazhuang gold sun biological organic fertilizer company limited, is mixed evenly by the ratio of weight and number of 1:0.3, granulation shape composite microbiological fertilizer.
Liquid biological fertilizer by the living bacteria count >=2.0 hundred million/g of described gac and the production of Shijiazhuang gold sun biological organic fertilizer company limited, is mixed evenly by the ratio of weight and number of 1:0.3, granulation shape biological organic fertilizer.
Liquid straw decomposing agent by the living bacteria count >=2.0 hundred million/g of described gac and the production of Shijiazhuang gold sun biological organic fertilizer company limited, is mixed evenly by the ratio of weight and number of 1:0.3, granulation shape organic matter decomposing inoculant.
The obtained beneficial effect of the present invention is:
1, owing to having adopted vacuum Rapid Thermal solution; in vacuum degree control, under other processing condition in 600mmHg negative pressure and this preparation method, be dried, charing and expanded, reactivation process, life cycle of the product is short, temperature of reaction is low, production cost is low, energy consumption is low, yield rate is high; Because dry, charing of the present invention and expanded, reactivation process are all carried out in same Reaktionsofen, so facility investment is few; Due to the CO, the CH that produce in dry, carbonization process 4, to turn back to burner be Reaktionsofen boosting to the inflammable gas such as tar, not only reduced energy consumption, stopped the environmental pollution that fume emission brings simultaneously.Referring to table 1.
Table 1: this preparation method and other production method synopsis
2, the raw material of this method for preparation of active carbon temperature rise rate in carbonization process is controlled at 1 ℃/min, it is the carbonization process that heats up gradually, carbochain fracture becomes small molecules carbon from macromole carbon, and due to expanded, priming reaction be 400~450 ℃ and vacuum tightness under 600mmHg condition of negative pressure, at least divide and be filled with fast the 3m that total amount is 280Kpa~330Kpa for three times 3water vapor, because the hole of raw material under vacuum environment is also vacuum state, at this moment in raw material, pour water vapor and make quenching of Mierocrystalline cellulose, the swollen expandable pores in raw material, thereby form macrovoid, bigger serface, gel powder with high adsorptive active carbon finished products that total hole volume is large, its indices detects and is all up to state standards through experiment, and have part index number to be better than the product that additive method obtains, referring to table 2.
Table 2: this preparation method and other production method finished product technical indicator synopsis
3, application has no report as microorganism fertilizer carrier to use at present gac.Trace it to its cause, mainly have following problem, referring to above-mentioned table 1 and table 2 content analysis, find out, conventional chemical activation method is produced gac and affected by its technological process, process characteristic and promoting agent, be difficult to as the application of microorganism fertilizer carrier, and manufacturing cost is too high, cannot apply; And the physical activation method production cycle is long, energy consumption is high, cost of goods manifactured is high equally, is difficult to promote; And the present invention has well solved the problems referred to above, guaranteeing, under the satisfactory prerequisite of product all technical, to effectively reduce manufacturing cost, have a extensive future.The present invention is usingd gac that nut-shell obtains as raw material preparation as microorganism fertilizer carrier, can be widely used in the cash crop such as agriculture flowers, booth vegetable, fruit and agriculture land for growing field crops uses, because this gac has passed through 400 ℃ of above pyroprocessing, so without miscellaneous bacteria and the material harmful to microbial strains, there are more micropore or crack in carbon granule surface, granular carbon total hole volume>=1.00 cm 3/ g, micropore specific area>=1500m 2/ g, so void content greatly, easily adsorbs the microbial inoculum of volume, for the accumulation of survival, breeding and the fermentation substrate of microorganism fertilizer carrier thalline preferably.And be that bacterial strain is adsorbed on carrier top layer state with other carriers microorganism fertilizer that is mixed; and as the carrier microorganism fertilizer that is mixed, be that bacterial strain absorption humble abode is in gac hole with gac of the present invention; therefore bacterial strain is had to good protectiveness; shelf time is long, can wake up fast while using, Fast-propagation; and in use can improve soil aggregate, reduce soil compaction, strengthen soil water storage, play nitrogen fixing slow release fertilizer, reduce fertilizer amount and become thoroughly decomposed crop stalk effect.Referring to table 3.
Table 3: microorganism fertilizer carrier service condition synopsis
Embodiment
Below in conjunction with embodiment, be intended to further illustrate the present invention, and unrestricted the present invention.
Embodiment 1
A) pulverize: take 500Kg nut-shell clean air-dry after, through pulverizer, pulverize, be sieved into the irregular particle of 1~2mm particle diameter;
B) dry: the walnut shell particle in step a) is sent in Reaktionsofen, open vaccum-pumping equipment, control the interior vacuum tightness of Reaktionsofen in 600mmHg negative pressure, after continuing to stir material and being warming up to 120 ℃, be dried 1 hour, wherein, initial temperature rise rate is controlled at 0.5 ℃/min, when being warmed up to 60 ℃, temperature rise rate is adjusted into 1 ℃/min, and the gas producing in heat-processed is as CO, CH 4, tar, utilize vacuum lead to be directed at burner for Reaktionsofen boosting;
C) charing: during sampling and testing walnut shell particle water content≤5%, charing is 4 hours after vacuum tightness is under 600mmHg condition of negative pressure, continues to be warming up to 400 ℃, and wherein temperature rise rate is controlled at 1 ℃/min, and the gas producing in heat-processed is as CO, CH 4, tar, utilize vacuum lead to be directed at burner for Reaktionsofen boosting;
D) expanded, activation: keep 400 ℃ of temperature and and vaccum-pumping equipment is set in to vacuum tightness is 600mmHg condition of negative pressure, the 3m that minutes three times charged pressures are 280Kpa 3water vapor is to step c) raw material made carries out expanded, activation, is wherein filled with for the first time 1m 3after water vapor, stop filling vapour, after furnace pressure returns to 600mmHg negative pressure of vacuum, be again filled with 1m 3water vapor, stops filling vapour after charging, be filled with for the third time 1m after furnace pressure returns to 600mmHg negative pressure of vacuum 3water vapor;
E) cooling: as d) be filled with for the last time when water vapor finishes and furnace pressure drops to vacuum tightness 600mmHg negative pressure in step, stop heating exhausting cooling;
F) discharging screening: discharging when temperature drops to 60 ℃ in stove, divides the active carbon finished products that obtains 0.2~1.2mm particle diameter through sifted.
The fertilizer registration card number that the 350Kg gac of above-mentioned acquisition and Shijiazhuang gold sun biological organic fertilizer company limited is produced is that the liquid composite bio-fertilizer 105Kg of the accurate word of microorganism fertilizer (2013) (1075) number, commodity composite bio-fertilizer by name, living bacteria count >=2.0 hundred million/g is mixed evenly, obtain particulate state composite microbiological fertilizer, sample examination is qualified in quantitative package machine packing warehouse-in.
Prepared particulate state composite microbiological fertilizer meets the composite microbiological fertilizer requirement of the agricultural industry criteria NY/T 798-2004 of the People's Republic of China (PRC).
Embodiment 2
A) pulverize: take 500Kg nut-shell clean air-dry after, through pulverizer, pulverize, be sieved into the irregular particle of 1~2mm particle diameter;
B) dry: the walnut shell particle in step a) is sent in Reaktionsofen, open vaccum-pumping equipment, control the interior vacuum tightness of Reaktionsofen in 600mmHg negative pressure, after continuing to stir material and being warming up to 120 ℃, be dried 1.5 hours, wherein, initial temperature rise rate is controlled at 0.5 ℃/min, when being warmed up to 60 ℃, temperature rise rate is adjusted into 1 ℃/min, and the gas producing in heat-processed is as CO, CH 4, tar utilizes vacuum lead to be directed at burner for Reaktionsofen boosting;
C) charing: during sampling and testing walnut shell particle water content≤5%, charing is 5 hours after vacuum tightness is under 600mmHg condition of negative pressure, continues to be warming up to 425 ℃, and wherein temperature rise rate is controlled at 1 ℃/min, and the gas producing in heat-processed is as CO, CH 4, tar utilizes vacuum lead to be directed at burner for Reaktionsofen boosting;
D) expanded, activation: keep 400 ℃ of temperature and and vaccum-pumping equipment be set in to vacuum tightness 600mmHg condition of negative pressure, the 3m that minutes three times charged pressures are 300Kpa 3water vapor is to step c) raw material made carries out expanded, activation, is wherein filled with for the first time 1m 3after water vapor, stop filling vapour, after furnace pressure returns to vacuum tightness 600mmHg negative pressure, be again filled with 1m 3water vapor, stops filling vapour after charging, after furnace pressure returns to vacuum tightness 600mmHg negative pressure, be filled with for the third time 1m 3water vapor;
E) cooling: as d) be filled with for the last time when water vapor finishes and furnace pressure drops to vacuum tightness 600mmHg negative pressure in step, stop heating exhausting cooling;
F) discharging screening: discharging when temperature drops to 60 ℃ in stove, divides the active carbon finished products that obtains 0.2~1.2mm particle diameter through sifted.
The fertilizer registration card number that the 350Kg gac of above-mentioned acquisition and Shijiazhuang gold sun biological organic fertilizer company limited is produced is that the accurate word of microorganism fertilizer (2013) (1068) number, trade(brand)name are that the liquid biological fertilizer 105Kg of biological organic fertilizer, living bacteria count >=2.0 hundred million/g is mixed evenly, obtain particulate state biological organic fertilizer, sample examination is qualified in quantitative package machine packing warehouse-in.
Prepared particulate state biological organic fertilizer meets the biological organic fertilizer requirement of the agricultural industry criteria NY 884-2012 of the People's Republic of China (PRC).
Embodiment 3
A) pulverize: take 500Kg nut-shell clean air-dry after, through pulverizer, pulverize, be sieved into the irregular particle of 1~2mm particle diameter;
B) dry: the walnut shell particle in step a) is sent in Reaktionsofen, open vaccum-pumping equipment, control the interior vacuum tightness of Reaktionsofen in 600mmHg negative pressure of vacuum, after stirring material and being warming up to 120 ℃, be dried 2 hours, wherein, initial temperature rise rate is controlled at 0.5 ℃/min, when being warmed up to 60 ℃, temperature rise rate is adjusted into 1 ℃/min, and the gas producing in heat-processed is as CO, CH 4, tar utilizes vacuum lead to be directed at burner for Reaktionsofen boosting;
C) charing: during sampling and testing walnut shell particle water content≤5%, under vacuum tightness 600mmHg condition of negative pressure, continue to be warming up to 450 ℃ after charing 4 hours, wherein temperature rise rate is controlled at 1 ℃/min, the gas producing in heat-processed is as CO, CH 4, tar utilizes vacuum lead to be directed at burner for Reaktionsofen boosting;
D) expanded, activation: keep 400 ℃ of temperature and and vaccum-pumping equipment be set in to vacuum tightness 600mmHg condition of negative pressure, the 3m that minutes three times charged pressures are 330Kpa 3water vapor is to step c) raw material made carries out expanded, activation, is wherein filled with for the first time 1m 3after water vapor, stop filling vapour, after furnace pressure returns to vacuum tightness 600mmHg negative pressure, be again filled with 1m 3water vapor, stops filling vapour after charging, after furnace pressure returns to vacuum tightness 600mmHg negative pressure, be filled with for the third time 1m 3water vapor;
E) cooling: as d) be filled with for the last time when water vapor finishes and furnace pressure drops to vacuum tightness 600mmHg negative pressure in step, stop heating exhausting cooling;
F) discharging screening: discharging when temperature drops to 60 ℃ in stove, divides the active carbon finished products that obtains 0.2~1.2mm particle diameter through sifted.
The fertilizer registration card number that the 350Kg gac of above-mentioned acquisition and Shijiazhuang gold sun biological organic fertilizer company limited is produced is that the liquid straw decomposing inoculant 105Kg that microorganism fertilizer (2011) faces word (5177) number, commodity straw decomposing inoculant by name, living bacteria count >=2.0 hundred million/g is mixed evenly, obtain particulate state organic matter decomposing inoculant, sample examination is qualified in quantitative package machine packing warehouse-in.
Prepared particulate state organic matter decomposing inoculant meets the organic matter decomposing inoculant requirement of the agricultural industry criteria NY 609-2002 of the People's Republic of China (PRC).

Claims (6)

1. the nut-shell of take is prepared the method for gac as raw material, it is characterized in that the method comprises the following steps:
A) pulverize: by nut-shell clean air-dry after, grinding screen is divided into the particle of 1~2mm particle diameter;
B) dry: the walnut shell particle in step a), under 600mmHg negative pressure of vacuum condition, is warming up to 120 ℃ in stirring, dry 1~2 hour in inherent the continuing of Reaktionsofen;
C) charing: when water content≤5% of walnut shell particle, under 600mmHg negative pressure of vacuum condition, continue to be warming up to 400~450 ℃ of charings 4~6 hours;
D) expanded, activation: under 400~450 ℃ and 600mmHg negative pressure of vacuum condition, at least divide and be filled with the 3m that total amount is 280Kpa~330Kpa for three times 3water vapor is to step c) raw material made carries out expanded, activation, and be wherein filled with volume is 1m at every turn 3water vapor after stop filling vapour, when furnace pressure drops to 600mmHg negative pressure of vacuum, be again filled with water vapor;
E) cooling: as d) be filled with for the last time when water vapor finishes and furnace pressure drops to 600mmHg negative pressure of vacuum in step, cool;
F) discharging screening: discharging when temperature is down to 60 ℃ in stove, screening obtains the active carbon finished products of 0.2~1.2mm particle diameter.
2. as claimed in claim 1ly a kind ofly take nut-shell and prepare the method for gac as raw material, it is characterized in that: wherein the initial temperature rise rate of step b) is controlled at 0.5 ℃/min, when being warmed up to 60 ℃, temperature rise rate is adjusted into 1 ℃/min, the temperature rise rate of step c) is controlled at 1 ℃/min, and the gas producing in step b), step c) is directed into burner.
3. as claimed in claim 1 or 2ly a kind ofly using nut-shell and prepare the gac that method was obtained of gac as the application of microorganism fertilizer carrier as raw material.
4. a kind of gac as claimed in claim 3 is as the application of microorganism fertilizer carrier, it is characterized in that the liquid composite bio-fertilizer of the living bacteria count >=2.0 hundred million/g of described gac and the production of Shijiazhuang gold sun biological organic fertilizer company limited, by the ratio of weight and number of 1:0.3, be mixed evenly, granulation shape composite microbiological fertilizer.
5. a kind of gac as claimed in claim 3 is as the application of microorganism fertilizer carrier, it is characterized in that the liquid biological fertilizer of the living bacteria count >=2.0 hundred million/g of described gac and the production of Shijiazhuang gold sun biological organic fertilizer company limited, by the ratio of weight and number of 1:0.3, be mixed evenly, granulation shape biological organic fertilizer.
6. a kind of gac as claimed in claim 3 is as the application of microorganism fertilizer carrier, it is characterized in that the liquid straw decomposing agent of the living bacteria count >=2.0 hundred million/g of described gac and the production of Shijiazhuang gold sun biological organic fertilizer company limited, by the ratio of weight and number of 1:0.3, be mixed evenly, granulation shape organic matter decomposing inoculant.
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CN105217629A (en) * 2015-10-30 2016-01-06 广东工业大学 The preparation method of coffee grounds gac
CN105921119A (en) * 2016-04-26 2016-09-07 南京中科水治理股份有限公司 Production method and application of cotton stalk carbon ecological attachment base rods
CN106118199A (en) * 2016-06-28 2016-11-16 陈建峰 A kind of preparation method of coating dedicated biomass antistatic filler
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CN106904611A (en) * 2017-03-20 2017-06-30 陕西师范大学 A kind of preparation method of walnut shell activated carbon
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CN107469793A (en) * 2017-09-19 2017-12-15 江苏科力特环保科技有限公司 A kind of novel active carbon adsorbent
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1085882A (en) * 1993-11-04 1994-04-27 北京市绿源生物技术研究所 Bio-bacterial manure and manufacture method thereof
CN1490279A (en) * 2003-08-21 2004-04-21 中国农业科学院油料作物研究所 Fixed bacterial fertilizer and preparing method thereof
CN103342360A (en) * 2013-07-25 2013-10-09 哈尔滨工业大学 High-performance mesoporous active carbon suitable for biological enhancement and preparation method thereof
CN103693642A (en) * 2013-12-23 2014-04-02 湖南华银能源技术有限公司 Method for preparing bamboo-based activated carbon and production device thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1085882A (en) * 1993-11-04 1994-04-27 北京市绿源生物技术研究所 Bio-bacterial manure and manufacture method thereof
CN1490279A (en) * 2003-08-21 2004-04-21 中国农业科学院油料作物研究所 Fixed bacterial fertilizer and preparing method thereof
CN103342360A (en) * 2013-07-25 2013-10-09 哈尔滨工业大学 High-performance mesoporous active carbon suitable for biological enhancement and preparation method thereof
CN103693642A (en) * 2013-12-23 2014-04-02 湖南华银能源技术有限公司 Method for preparing bamboo-based activated carbon and production device thereof

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CN105217629B (en) * 2015-10-30 2017-11-07 广东工业大学 The preparation method of coffee grounds activated carbon
CN105217629A (en) * 2015-10-30 2016-01-06 广东工业大学 The preparation method of coffee grounds gac
CN105921119B (en) * 2016-04-26 2018-10-30 南京中科水治理股份有限公司 A kind of preparation method and applications of cotton stalk carbon ecology attachment base rod
CN105921119A (en) * 2016-04-26 2016-09-07 南京中科水治理股份有限公司 Production method and application of cotton stalk carbon ecological attachment base rods
CN106118199A (en) * 2016-06-28 2016-11-16 陈建峰 A kind of preparation method of coating dedicated biomass antistatic filler
CN106212449A (en) * 2016-07-11 2016-12-14 董晓 A kind of preparation method of plant source slow-release bactericide
CN107098329A (en) * 2016-12-29 2017-08-29 重庆文理学院 A kind of preparation method and applications of biological carbon
CN106797823A (en) * 2017-02-24 2017-06-06 蚌埠市凯婷农民种植专业合作社 A kind of orchid Nutrition Soil
CN106904611A (en) * 2017-03-20 2017-06-30 陕西师范大学 A kind of preparation method of walnut shell activated carbon
CN106904611B (en) * 2017-03-20 2018-06-29 陕西师范大学 A kind of preparation method of walnut shell activated carbon
CN107469793A (en) * 2017-09-19 2017-12-15 江苏科力特环保科技有限公司 A kind of novel active carbon adsorbent
CN107745004A (en) * 2017-12-05 2018-03-02 广东环境保护工程职业学院 A kind of processing method of kitchen garbage and application
CN108017055A (en) * 2017-12-29 2018-05-11 北海星石碳材料科技有限责任公司 The method that coconut husk prepares super-activated carbon
CN108017055B (en) * 2017-12-29 2021-07-06 北海星石碳材料科技有限责任公司 Method for preparing super activated carbon from coconut shells
CN108822858A (en) * 2018-04-25 2018-11-16 汕头大学 A method of improving soil moisture and crack using water hyacinth synthesising biological charcoal
CN108822858B (en) * 2018-04-25 2020-11-10 汕头大学 Method for improving soil moisture and cracks by synthesizing biochar from water hyacinth
CN108997041A (en) * 2018-08-14 2018-12-14 云南唯七诺健康科技有限公司 Matrix fertilizer and preparation method thereof and the application in notoginseng planting
CN110143837A (en) * 2019-07-02 2019-08-20 舒艳婷 A kind of organic fertilizer preparation process and method of administration based on biomass
CN113267573A (en) * 2021-06-21 2021-08-17 国科大杭州高等研究院 Preparation method and application of walnut shell activated carbon solid-phase extraction column
CN115520973A (en) * 2021-06-25 2022-12-27 神美科技有限公司 Preparation method of biological activated carbon loaded with microbial inoculum
CN115069216A (en) * 2022-07-08 2022-09-20 江苏里下河地区农业科学研究所 Preparation method and application of magnetic activated charcoal
CN115069216B (en) * 2022-07-08 2023-09-22 江苏里下河地区农业科学研究所 Preparation method and application of magnetic activated biochar

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