CN106040173A - Corn stalk biochar, method for removing sulfonamide antibiotics in water by using corn stalk biochar and application of corn stalk biochar - Google Patents

Corn stalk biochar, method for removing sulfonamide antibiotics in water by using corn stalk biochar and application of corn stalk biochar Download PDF

Info

Publication number
CN106040173A
CN106040173A CN201610448595.6A CN201610448595A CN106040173A CN 106040173 A CN106040173 A CN 106040173A CN 201610448595 A CN201610448595 A CN 201610448595A CN 106040173 A CN106040173 A CN 106040173A
Authority
CN
China
Prior art keywords
water
charcoal
cornstalk biological
biological charcoal
corn stalk
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
Application number
CN201610448595.6A
Other languages
Chinese (zh)
Inventor
丘锦荣
赵涛
卢文洲
雷育涛
易皓
林晓君
曾经文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South China Institute of Environmental Sciences MEE
Original Assignee
South China Institute of Environmental Sciences MEE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by South China Institute of Environmental Sciences MEE filed Critical South China Institute of Environmental Sciences MEE
Priority to CN201610448595.6A priority Critical patent/CN106040173A/en
Publication of CN106040173A publication Critical patent/CN106040173A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/38Organic compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/40Organic compounds containing sulfur

Abstract

The invention relates to corn stalk biochar, a method for removing sulfonamide antibiotics in water by using the corn stalk biochar and application of the corn stalk biochar. The corn stalk biochar is prepared by the following steps: firstly, drying and crushing; secondly, putting into a tubular atmosphere furnace, heating by adopting programs, and performing oxygen-free carbonization under the condition of 500 to 700DEG C for 120 to 180 minutes; thirdly, cooling in the furnace to room temperature, and grinding charcoal ash; fourthly, soaking with hydrochloric acid, filtering, washing, drying to constant weight, and sieving. The corn stalk biochar serving as an adsorbent is put into a water body containing the sulfonamide antibiotics for adsorbing to remove the sulfonamide antibiotics, so that the difficult problem that antibiotics in water are difficult to remove is solved. Meanwhile, the environment problem brought by straw burning is solved, wastes are changed into the valuables, the recycling of corn stalks is realized, and better economic benefits and social benefits are obtained.

Description

Cornstalk biological charcoal and utilize its remove the method for sulfa antibiotics in water and Application
Technical field
The present invention relates to cornstalk biological charcoal and utilize it to remove the methods and applications of sulfa antibiotics in water, belonging to Water-treatment technology field.
Background technology
Sulfa antibiotics is the antibiotic of a kind of synthetic, is a kind of broad ectrum antibiotic.To most of grams sun Property and gram negative bacteria have inhibitory action, be widely used in medical treatment and animal husbandry in.There is the spies such as has a broad antifungal spectrum, curative effect be strong Point, therefore be widely used in preventing and treating various bacterial infective diseases in the mankind, poultry and aquaculture.Domestic and international many research finds, In the natural water such as surface water, subsoil water, the detection frequency of sulfa antibiotics is higher, such as at present: sulfadiazine, sulfanilamide Chlorine pyridazine.Owing to overwhelming majority sulfa antibiotics can not be absorbed by organism completely, sulfa antibiotics can be with parent or generation The form thanking to thing adds soil, water body environment, thus pollution of ecological environment, causes and is depositing in-ductive drug-tolerance antibacterial in the environment, Human health is produced potential hazard.
Have straw charcoal as sulfapyridine and the report of Sulfamethoxazole adsorbent at present, but straw charcoal Preparation method difference absorption property can be caused to there is larger difference, it there is also selectivity, existing straw to the absorption of substrate Stalk Linesless charcoal is unable to reach good adsorption effect.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of cornstalk biological charcoal its can effectively go Except the sulfa antibiotics in water, and provide the methods and applications utilizing its removal water sulfa antibiotics.
To achieve these goals, the technical scheme that the present invention takes is as follows:
Technical scheme one:
A kind of cornstalk biological charcoal, its key technology is, it is prepared by following steps:
1) corn straw is cleaned by pulverizing, dries, is ground into unqualified;
2) put in tube-type atmosphere furnace by unqualified for corn straw, use temperature programming, anaerobic carbonization under the conditions of 500 ~ 700 DEG C 120~180min;
3) in stove, it is cooled to room temperature, grinds charcoal ash;
4) the charcoal ash obtained by soak with hydrochloric acid step 3), filters, washing, dries to constant weight, sieve, obtain cornstalk biological Charcoal.
Above-mentioned unqualified length is less than 2cm.
The programming rate of above-mentioned tube-type atmosphere furnace is 10 DEG C/min, and atmosphere is N2
Above-mentioned carbon ash was 60 mesh sieve powder.
Above-mentioned hydrochloric acid is 1mol/L HCl, and soak time is 4 ~ 6h.
Above-mentioned washing be distilled water wash to washing liquid be neutrality.
Above-mentioned sieves as crossing 100 mesh sieves.
Preferably, above-mentioned cornstalk biological charcoal is prepared by following steps:
1) corn straw is cleaned, air-dries 2d, place into baking oven at 60 DEG C, dry 12h, then with pulverizer be crushed to 2cm with Under;
2) unqualified for corn straw masking foil is wrapped it is placed in porcelain crucible, build lid and put into tube-type atmosphere furnace, logical N2, use Temperature programming also rises to target temperature 700 DEG C with the heating rate of 10 DEG C/min, keeps 3h subsequently;
3), after naturally cooling to room temperature in stove, taking-up mortar grinder also crosses 60 mesh sieves;
4) product 1mol/L HCl after sieving processes 4h, sucking filtration, is washed with distilled water to after washing liquid is neutrality, put into 80 DEG C baking oven dries 24h, is cooled to room temperature and crosses 100 mesh sieves, obtains end product cornstalk biological charcoal.
Technical scheme two:
A kind of cornstalk biological charcoal utilized described in technical scheme one removes the method for sulfa antibiotics in water, and it includes Following methods:
Cornstalk biological charcoal is put into as adsorbent in the water body of sulfa antibiotics and carry out Adsorption sulfonamides antibiosis Element, the temperature wherein adsorbed is 10 ~ 40 DEG C, and adsorption time is 10 ~ 720min, and after adsorption equilibrium, the pH of solution is about 5.5, its In middle water body, the initial concentration of sulfa antibiotics is 1 ~ 20mg/L, corn stalk charcoal and the quality of the water body containing sulfa antibiotics Ratio is 1:100 ~ 200.
Preferably, described adsorption temp is 25 ± 2 DEG C.
Preferably, described cornstalk biological charcoal is 1:100 ~ 200 with the mass ratio of the water body containing sulfa antibiotics.
Technical scheme three:
Cornstalk biological charcoal described in technical scheme one is the application in sulfa antibiotics in removing water.
Compared with prior art, having the beneficial effect that acquired by the present invention:
Cornstalk biological carbon surface the most provided by the present invention have more rule pore passage structure, every duct has tiny and Intensive micropore, pore structure enriches, has huge reference area, has significantly absorption to sulfa antibiotics in water body Effect;
2. the cornstalk biological charcoal that the present invention provides is without crystalline mineral, and content of ashes is low, has higher activity function, can With pollutant substantial amounts of in adsorbed water body, purification of water quality and environmental conservation are made huge contribution;
3. the present invention utilizes charcoal that corn straw makes as adsorbent, is provided with multiple sulfa antibiotics preferably Adsorption, can effectively remove the sulfa antibiotics in water body, solves the reluctant difficult problem of antibiotic in water.With Time solve the environmental problem that crop straw burning brings, turn waste into wealth, it is achieved that the recycling of corn straw, possess preferably Economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope sem figure of the cornstalk biological charcoal that the embodiment of the present invention 1 obtains;
Fig. 2 is the Fourier infrared spectrum figure of the cornstalk biological charcoal that the embodiment of the present invention 1 obtains;
Fig. 3 is the XRD figure of the cornstalk biological charcoal that the embodiment of the present invention 1 obtains.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-3 and specific embodiment, the present invention is carried out further details of narration.
Embodiment 1
A kind of cornstalk biological charcoal, it is prepared by following steps:
1) corn straw is cleaned, air-dries 2d, place into baking oven at 60 DEG C, dry 12h, then with pulverizer be crushed to 2cm with Under;
2) unqualified for corn straw masking foil is wrapped it is placed in porcelain crucible, build lid and put into tube-type atmosphere furnace, logical N2, use Temperature programming also rises to target temperature 700 DEG C with the heating rate of 10 DEG C/min, keeps 3h subsequently;
3), after naturally cooling to room temperature in stove, taking-up mortar grinder also crosses 60 mesh sieves;
4) product 1mol/L HCl after sieving processes 4h, sucking filtration, is washed with distilled water to after washing liquid is neutrality, put into 80 DEG C baking oven dries 24h, is cooled to room temperature and crosses 100 mesh sieves, obtains end product cornstalk biological charcoal.
Cornstalk biological charcoal prepared by the present embodiment is carried out phenetic analysis: scheme for its SEM as shown in Figure 1, from Seeing on collection of illustrative plates, there is the pore passage structure of more rule on prepared charcoal surface, and every duct has tiny and intensive micropore, Pore structure is the abundantest, and it has huge specific surface area.Accompanying drawing 2 is its Fourier infrared spectrum figure, from this collection of illustrative plates, There is the functional groups such as hydroxyl, carboxyl, ester, phenol, ether, alkene and fragrance, from the intensity of stretching vibration in prepared charcoal surface On see, containing more C-O singly-bound and C=C, C=O double bond in prepared charcoal structure.Accompanying drawing 3 is composed for its XRD figure, from this Collection of illustrative plates is it can be seen that prepared charcoal is without crystalline mineral, and content of ashes is low, has more high-activity function.
Embodiment 2
Utilize the cornstalk biological charcoal obtained by embodiment 1 as adsorbent, process the micro-polluted water containing sulfadiazine, The tool plug vial of 100mL carries out adsorption experiment.Wherein, corn stalk charcoal charcoal and the quality of the aqueous solution containing sulfadiazine Ratio is 1:100, and adsorption temp is 25 ± 2 DEG C, and the initial concentration of sulfadiazine is 1 ~ 20mg/L, and adsorption time is 3h, and absorption is flat After weighing apparatus, the pH value of solution is about 5.60, and result is shown in Table 1.
Embodiment 3
Utilize the cornstalk biological charcoal obtained by embodiment 1 as adsorbent, process the micro-polluted water containing cistosulfa, The tool plug vial of 100mL carries out adsorption experiment.Wherein, corn stalk charcoal charcoal and the matter of the aqueous solution containing cistosulfa Amount ratio is 1:200, and adsorption temp is 25 ± 2 DEG C, and the initial concentration of cistosulfa is 1 ~ 20mg/L, and adsorption time is 3h, inhales After attached balance, the pH value of solution is about 5.20, and result is shown in Table 1.
Table 1 cornstalk biological charcoal result summary sheet.
Pollutant Before process (mg/L) After process (mg/L) Clearance (%)
Sulfadiazine 1~20 0.13~6.43 69.09~95.72
Cistosulfa 1~20 0.02~4.18 78.50~98.28
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.Right For persons skilled in the art, to its done any showing on the premise of without departing substantially from the principle of the invention and spirit The change being clear to, within all should being contemplated as falling with the claims of the present invention.

Claims (10)

1. a cornstalk biological charcoal, it is characterised in that it is prepared by following steps:
1) corn straw is cleaned by pulverizing, dries, is ground into unqualified;
2) put in tube-type atmosphere furnace by unqualified for corn straw, use temperature programming, anaerobic carbonization under the conditions of 500 ~ 700 DEG C 120~180min;
3) in stove, it is cooled to room temperature, grinds charcoal ash;
4) the charcoal ash obtained by soak with hydrochloric acid step 3), filters, washing, dries to constant weight, sieve, obtain cornstalk biological Charcoal.
A kind of cornstalk biological charcoal the most according to claim 1, it is characterised in that the intensification of described tube-type atmosphere furnace Speed is 10 DEG C/min, and atmosphere is N2
A kind of cornstalk biological charcoal the most according to claim 1, it is characterised in that described charcoal ash was 60 mesh sieve powder End.
A kind of cornstalk biological charcoal the most according to claim 1, it is characterised in that described hydrochloric acid is 1mol/L HCl, soak time is 4 ~ 6h, described washing be distilled water wash to washing liquid be neutrality.
A kind of cornstalk biological charcoal the most according to claim 1, it is characterised in that described sieves as crossing 100 mesh sieves.
A kind of cornstalk biological charcoal the most according to claim 1, it is characterised in that above-mentioned cornstalk biological charcoal passes through Prepared by following steps:
1) corn straw is cleaned, air-dries 2d, place into baking oven at 60 DEG C, dry 12h, then with pulverizer be crushed to 2cm with Under;
2) unqualified for corn straw masking foil is wrapped it is placed in porcelain crucible, build lid and put into tube-type atmosphere furnace, logical N2, with 10 DEG C/heating rate of min rises to target temperature 700 DEG C, keeps 3h subsequently;
3), after naturally cooling to room temperature in stove, taking-up mortar grinder also crosses 60 mesh sieves;
4) product 1mol/L HCl after sieving processes 4h, sucking filtration, is washed with distilled water to after washing liquid is neutrality, put into 80 DEG C baking oven dries 24h, is cooled to room temperature and crosses 100 mesh sieves, obtains end product cornstalk biological charcoal.
7. the cornstalk biological charcoal utilized as described in any one of claim 1 ~ 6 removes the side of sulfa antibiotics in water Method, it is characterised in that it includes following methods:
Cornstalk biological charcoal is put into as adsorbent in the water body of sulfa antibiotics and carry out Adsorption sulfonamides antibiosis Element, the temperature wherein adsorbed is 10 ~ 40 DEG C, and adsorption time is 10 ~ 720min, and after adsorption equilibrium, the pH of solution is about 5.5, its In middle water body, the initial concentration of sulfa antibiotics is 1 ~ 20mg/L, corn stalk charcoal and the quality of the water body containing sulfa antibiotics Ratio is 1:100 ~ 200.
The method of sulfa antibiotics in removal water the most according to claim 7, it is characterised in that described adsorption temp is 25±2℃。
The method of sulfa antibiotics in removal water the most according to claim 7, it is characterised in that described corn straw is raw Thing charcoal is 1:100 ~ 200 with the mass ratio of the water body containing sulfa antibiotics.
10. the application in sulfa antibiotics in removing water of the cornstalk biological charcoal as described in any one of right 1 ~ 6.
CN201610448595.6A 2016-06-21 2016-06-21 Corn stalk biochar, method for removing sulfonamide antibiotics in water by using corn stalk biochar and application of corn stalk biochar Pending CN106040173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610448595.6A CN106040173A (en) 2016-06-21 2016-06-21 Corn stalk biochar, method for removing sulfonamide antibiotics in water by using corn stalk biochar and application of corn stalk biochar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610448595.6A CN106040173A (en) 2016-06-21 2016-06-21 Corn stalk biochar, method for removing sulfonamide antibiotics in water by using corn stalk biochar and application of corn stalk biochar

Publications (1)

Publication Number Publication Date
CN106040173A true CN106040173A (en) 2016-10-26

Family

ID=57168640

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610448595.6A Pending CN106040173A (en) 2016-06-21 2016-06-21 Corn stalk biochar, method for removing sulfonamide antibiotics in water by using corn stalk biochar and application of corn stalk biochar

Country Status (1)

Country Link
CN (1) CN106040173A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106824105A (en) * 2017-01-10 2017-06-13 华南理工大学 A kind of rhamnolipid functionalization maize straw and its preparation method and application
CN106914216A (en) * 2017-03-08 2017-07-04 井冈山大学 A kind of preparation of feces of livestock and poultry charcoal and its method for removing sulfa antibiotics in water removal
CN106995224A (en) * 2017-06-09 2017-08-01 环境保护部华南环境科学研究所 A kind of method for going to remove water moderate resistance life element
CN107469768A (en) * 2017-08-25 2017-12-15 华南农业大学 A kind of animal dung biogas residue charcoal/manganese oxide composite material and preparation method thereof
CN108408713A (en) * 2017-05-31 2018-08-17 中国农业大学 A kind of charcoal and the preparation method and application thereof
CN108654563A (en) * 2018-06-13 2018-10-16 华北电力大学 A kind of biological carbon materials and preparation method thereof removing iodate in water removal
CN109775684A (en) * 2019-03-07 2019-05-21 天津市实验林场 A method of charcoal is prepared using rice straw
CN110801808A (en) * 2019-11-06 2020-02-18 天津城建大学 Preparation method and application of coffee grounds biochar
WO2020097955A1 (en) * 2018-11-16 2020-05-22 华南师范大学 Phosphorylation ultra-fast straw fiber adsorption material, preparation method and application thereof
CN111607606A (en) * 2020-06-02 2020-09-01 浙江工商大学 Method for inhibiting transformation of extracellular antibiotic resistance gene in water by using charcoal
CN112279240A (en) * 2020-10-30 2021-01-29 井冈山大学 Graphene-like biochar prepared from allium aviculare and method for removing sulfonamide antibiotics by graphene-like biochar
CN112973634A (en) * 2021-03-04 2021-06-18 福建农林大学 Method for preparing biochar from tea leaves

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103523849A (en) * 2013-10-21 2014-01-22 南京大学 Method for removing sulfamethoxazole in water bodies with straw charcoal through adsorption and application of straw charcoal in removing sulfamethoxazole in water bodies
CN103523847A (en) * 2013-10-21 2014-01-22 南京大学 Method for removing sulfapyridine in water bodies with straw charcoal through adsorption and application of straw charcoal in removing sulfapyridine in water bodies
CN103865552A (en) * 2014-03-27 2014-06-18 广东省农业科学院农业资源与环境研究所 Method of preparing charcoal based on agricultural and forestry wastes and charcoal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103523849A (en) * 2013-10-21 2014-01-22 南京大学 Method for removing sulfamethoxazole in water bodies with straw charcoal through adsorption and application of straw charcoal in removing sulfamethoxazole in water bodies
CN103523847A (en) * 2013-10-21 2014-01-22 南京大学 Method for removing sulfapyridine in water bodies with straw charcoal through adsorption and application of straw charcoal in removing sulfapyridine in water bodies
CN103865552A (en) * 2014-03-27 2014-06-18 广东省农业科学院农业资源与环境研究所 Method of preparing charcoal based on agricultural and forestry wastes and charcoal

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
叶正钱等: "《生物炭环境生态修复实用技术》", 30 November 2015, 中国农业出版社 *
闵凡飞: "《新鲜生物质热解气化制富氢燃料气的基础研究》", 31 May 2008, 中国矿业大学出版社 *
黄华等: ""不同烧制温度下玉米秸秆生物炭的性质及对萘的吸附性能"", 《环境科学》 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106824105A (en) * 2017-01-10 2017-06-13 华南理工大学 A kind of rhamnolipid functionalization maize straw and its preparation method and application
CN106914216A (en) * 2017-03-08 2017-07-04 井冈山大学 A kind of preparation of feces of livestock and poultry charcoal and its method for removing sulfa antibiotics in water removal
CN108408713A (en) * 2017-05-31 2018-08-17 中国农业大学 A kind of charcoal and the preparation method and application thereof
CN106995224A (en) * 2017-06-09 2017-08-01 环境保护部华南环境科学研究所 A kind of method for going to remove water moderate resistance life element
CN107469768A (en) * 2017-08-25 2017-12-15 华南农业大学 A kind of animal dung biogas residue charcoal/manganese oxide composite material and preparation method thereof
CN108654563A (en) * 2018-06-13 2018-10-16 华北电力大学 A kind of biological carbon materials and preparation method thereof removing iodate in water removal
WO2020097955A1 (en) * 2018-11-16 2020-05-22 华南师范大学 Phosphorylation ultra-fast straw fiber adsorption material, preparation method and application thereof
CN109775684A (en) * 2019-03-07 2019-05-21 天津市实验林场 A method of charcoal is prepared using rice straw
CN110801808A (en) * 2019-11-06 2020-02-18 天津城建大学 Preparation method and application of coffee grounds biochar
CN111607606A (en) * 2020-06-02 2020-09-01 浙江工商大学 Method for inhibiting transformation of extracellular antibiotic resistance gene in water by using charcoal
CN111607606B (en) * 2020-06-02 2022-04-19 浙江工商大学 Method for inhibiting transformation of extracellular antibiotic resistance gene in water by using charcoal
CN112279240A (en) * 2020-10-30 2021-01-29 井冈山大学 Graphene-like biochar prepared from allium aviculare and method for removing sulfonamide antibiotics by graphene-like biochar
CN112973634A (en) * 2021-03-04 2021-06-18 福建农林大学 Method for preparing biochar from tea leaves

Similar Documents

Publication Publication Date Title
CN106040173A (en) Corn stalk biochar, method for removing sulfonamide antibiotics in water by using corn stalk biochar and application of corn stalk biochar
CN103773752B (en) The process for fixation of a kind of oil degradation bacteria and application
CN106861622B (en) A kind of water treatment agent handling eutrophication water
CN104071788B (en) Based on CaCl 2the preparation method and its usage of the straw-stem active charcoal improved
Lutts et al. Salinity influences biosorption of heavy metals by the roots of the halophyte plant species Kosteletzkya pentacarpos
CN105413648A (en) Folium ginkgo adsorbing material and preparation method thereof
CN100391578C (en) Air-purifying material and its preparation
CN107583612A (en) Charcoal preparation method and preparation system and mercury absorbent based on corncob
CN105381787A (en) New environmentally friendly adsorbent material and preparation process thereof
WO2019100535A1 (en) Bentonite cat litter and preparation method therefor
CN110523379A (en) A kind of low cost preparation method of porous charcoal
CN109174026A (en) A kind of method of chromium in compound microalgae biological adsorption agent microballoon and its absorption waste water
CN108975327A (en) A method of preparing active carbon
CN106040171A (en) Preparation method of activated carbon fiber based adsorbing material
KR101931088B1 (en) Method of preparing activated carbon for filter using biomass and method of preparing filter using the same
CN103301811A (en) preparation method of biomass charcoal adsorbent and method for treating oily wastewater by biomass charcoal adsorbent
CN105854453B (en) Disease-resistant type air purifier filter device and its installation and application method
CN109939661A (en) A kind of adsorbent and its preparation method and application of adsorbable fixed heavy metal lead ion
CN106178928A (en) A kind of controlled natural biological taste removal is except formaldehyde products and its preparation method and application
CN110449124A (en) It is a kind of to be reinforced removing the phosphatic method of water body with paper mill sludge biological carbon
CN107522371B (en) Livestock and poultry breeding waste treatment method capable of reducing heavy metal and pathogenic bacteria
CN109012599A (en) A kind of load Fe3+Antibiotic bacterium dregs active carbon and its preparation method and application
CN108579673A (en) Silkworm excrement charcoal and preparation method thereof and purposes
CN109173999A (en) A kind of preparation method and applications of biology carbon microspheres
CN102671632B (en) Method for manufacturing low-cost biological adsorbent

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20161026

RJ01 Rejection of invention patent application after publication