CN103551362A - Novel process for comprehensively utilizing agricultural wastes - Google Patents
Novel process for comprehensively utilizing agricultural wastes Download PDFInfo
- Publication number
- CN103551362A CN103551362A CN201310527628.2A CN201310527628A CN103551362A CN 103551362 A CN103551362 A CN 103551362A CN 201310527628 A CN201310527628 A CN 201310527628A CN 103551362 A CN103551362 A CN 103551362A
- Authority
- CN
- China
- Prior art keywords
- aldehyde
- agricultural wastes
- furfural
- furfural dregs
- new technology
- 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.)
- Granted
Links
- 239000002154 agricultural waste Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 19
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical group O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims abstract description 141
- 150000001299 aldehydes Chemical class 0.000 claims abstract description 44
- 239000002028 Biomass Substances 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000010881 fly ash Substances 0.000 claims abstract description 9
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002910 solid waste Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000010248 power generation Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 16
- 238000006386 neutralization reaction Methods 0.000 claims description 13
- 238000004064 recycling Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000005903 acid hydrolysis reaction Methods 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 230000003472 neutralizing effect Effects 0.000 abstract description 2
- 238000007670 refining Methods 0.000 abstract description 2
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 239000003895 organic fertilizer Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- VQKFNUFAXTZWDK-UHFFFAOYSA-N 2-Methylfuran Chemical compound CC1=CC=CO1 VQKFNUFAXTZWDK-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010016275 Fear Diseases 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920005546 furfural resin Polymers 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- IAIWVQXQOWNYOU-FPYGCLRLSA-N nitrofural Chemical compound NC(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 IAIWVQXQOWNYOU-FPYGCLRLSA-N 0.000 description 1
- 229960001907 nitrofurazone Drugs 0.000 description 1
- BBNYLDSWVXSNOQ-UHFFFAOYSA-N oxolane-2-carbaldehyde Chemical compound O=CC1CCCO1 BBNYLDSWVXSNOQ-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Images
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of reutilization of agricultural wastes and particularly relates to a novel process for comprehensively utilizing the agricultural wastes. The novel process comprises the following steps: adding acid into the agricultural wastes and hydrolyzing to obtain aldehyde gas and furfural residues; carrying out filter pressing on the furfural residues and primarily reducing the water content of the furfural residues to be 40%-45%; then drying the furfural residues and further dehydrating the furfural residues; when the water content of the furfural residues is reduced to be 15%-20%, adding fly ash to neutralize; after neutralizing, granulating to obtain biomass fuel; combusting the biomass fuel to be used for biomass power generation; meanwhile, taking solid wastes generated by combustion as raw materials of an organic fertilizer to be reutilized; after filtering and condensing the aldehyde gas, condensing to obtain liquid, namely raw aldehyde; carrying out deacidifying and dehydrating on the raw aldehyde to obtain crude aldehyde; refining the crude aldehyde to obtain finished aldehyde; and carrying out heat exchange on the uncondensed aldehyde gas to replace aldehyde gas heat energy to be used as a heat source for drying the furfural residues, wherein all the percentages are mass percentages.
Description
Technical field
The invention belongs to agricultural wastes reutilization technology field, be specifically related to a kind of agricultural wastes comprehensive utilization new technology.
Background technology
There are in the world at present a large amount of agricultural product in idle, can not make full use of.Along with the storage level of non-renewable resources reduces gradually, how people uses renewable resource to substitute the product of non-renewable resources if beginning one's study.Furfural is a kind of important Organic Chemicals, being widely used in synthetic resin, electrically insulating material, fiber, rubber, dyestuff, medicine, agricultural chemicals, solvent, varnish, nitrofurazone and refining crude fears, as anticorrisive agent and cigarette flavoring etc., industrial for the synthesis of furfuryl alcohol, tetrahydrofurfural, furane resins, phenol furfural resin, 2-methylfuran etc., or the raw material of pharmacy and multiple organic synthesis and reagent.Furfural is produced in agricultural wastes acid hydrolysis, very ripe technology, and furfural production is the process of comprehensive utilization of waste materials, meet recycling economy development theory, being the important industry of a tool sustainable development with broad prospects for development, is the production process to the basic material of the corresponding product chain of industry conversion by agricultural resource.
China is as large agricultural country, and wastes of crops source is abundant, so furfurol industry is in the ascendant, development prospect is wide.At present, approximately 250,000-300,000 tons/year of China's furfural aggregated capacities, furfural per ton is discharged the furfural dregs of about 10-13 ton, most of air storage.Because furfural dregs salt content is high, be acid, have the advantages that discharge capacity is large, contaminative is strong.Its bulk deposition can produce and pollute atmosphere, soil, river.Only has a small amount of furfural dregs through the simple burning of processing for boiler.In furfural dregs, contain certain acidic materials, mainly acetic acid, sulfuric acid, the acid-base neutralization method that current domestic employing is more, use the NaOH aqueous solution to carry out neutralisation treatment to furfural dregs, in whole process, need strictly control feeding intake of aqueous slkali and furfural dregs, operating procedure relative complex, and can bring a certain amount of moisture into, drops into for the processed of later process has increased extra cost.When furfural dregs is processed, generally adopt the method for Direct Dehydration, the method needs more heat energy, inefficiency, costs and poor dehydration results.
Meanwhile, furfural dregs contains a large amount of celluloses, hemicellulose, lignin as a kind of living beings class discarded object, has good recycle value.Therefore, reasonably recycling furfural dregs, eliminates its pollution to environment, increase the economic value added of furfural dregs simultaneously, realize the zero release of pollutant target in furfural enterprise production process, the object that reach cleaner production, recycles, is the problem that furfural dregs recycling is needed solution badly.
Summary of the invention
The object of the present invention is to provide a kind of agricultural wastes comprehensive utilization new technology.
For achieving the above object, the technical scheme that the present invention takes is as follows:
Agricultural wastes comprehensive utilization new technology: agricultural wastes acid hydrolysis obtains aldehyde vapour and furfural dregs, furfural dregs is first through press filtration, the preliminary furfural dregs water content that reduces is to 40-45%, send to subsequently and dry further dehydration, when furfural dregs moisture is down to 15-20%, add flyash to neutralize, after neutralization, granulation makes biomass fuel, after biomass fuel combustion, for biomass power generation, the solid waste thing simultaneously producing after burning is realized recycling as the raw material of fertilizer; Aldehyde vapour is after filtration after condensation, and the liquid that condensation obtains is a mao aldehyde, and hair aldehyde dewaters and to obtain thick aldehyde through depickling, and thick aldehyde carries out the rectifying furfural that gets product; The aldehyde vapour not being condensed displaces aldehyde vapour heat energy, the thermal source while drying as furfural dregs by heat exchange; Above-mentioned % is mass percent.
Described agricultural wastes are the biological materials such as corncob, stalk or its combination.
Preferably, adopt belt filter press to carry out press filtration.
Preferably, adopt rotary dryer to dry.
Preferably, adopt finned heat exchanger to carry out heat exchange.
Preferably, when furfural dregs moisture is down to 15-20%, be calculated in mass percent, add the flyash that accounts for furfural dregs 5-10% to neutralize.
New technology of the present invention, can " eat dry squeezing only " by agricultural wastes, realizes the maximum using of resource, and details are as follows for its advantage:
1, the efficient processing to hair aldehyde
During traditional handicraft production furfural, first hair aldehyde reduce acidity through neutralization, then carries out distillation dehydration, and thick aldehyde obtains finished product after returning steaming, batch production, and product yield is low, and purity is low, and efficiency is low;
The present invention, through experimental study, carries out technological innovation, has changed traditional mao of aldehyde treatment process, and hair aldehyde is obtained to thick aldehyde without neutralization by the depickling of dehydrating tower Direct Dehydration, thick aldehyde is entered to rectifying column continuous rectification and obtain finished product; Product purity is high, acidity is low, and yield is high, efficiency is high.
2, furfural dregs is carried out to pretreatment
The furfural dregs that the present invention produces while adopting belt filter press to furfural production carries out pretreatment, removes part moisture, for baking stage is saved the energy.
The advantage of belt filter press is can continuous operation, take up an area economize, efficiency is high, treating capacity is large and water separation capability strong, save the energy, can effectively get rid of the restriction of nature and site factors, guarantees treating capacity and the treatment effect of furfural dregs.Through test of many times, use belt filter press to process furfural dregs, can reach good dehydrating effect.Test effect is as follows:
When furfural moisture content is down to 40% left and right, the follow-up baking stage of furfural dregs can be saved a lot of heat energy, reaches energy-saving and cost-reducing effect.
3, aldehyde vapour recycling in furfural production, has saved resource
Furfural dregs dry utilize aldehyde vapour waste heat by finned heat exchanger for rotary drying machine provides heat, make furfural dregs moisture drop to 15% left and right by 40% left and right, improve burning unit calorific capacity.Meanwhile, utilize aldehyde vapour as thermal source, do not increase energy resource consumption.When furfural dregs moisture is during in 40% left and right, calorific value is not enough 2000Kcal/ Kg also needs to absorb a large amount of heats in combustion process, and whole combustion thermal efficiency is low.When the moisture of furfural dregs is down to 15% left and right, more than combustion heat value can reach 3500Kcal/Kg.
From drying mechanism, in rotary dryer, the exchange of material and thermal current is more abundant, more scientific and reasonable.The present invention is when using rotary dryer to dry furfural dregs, and heat comes from the aldehyde vapour waste heat that furfural production device produces, so in whole process, do not increase the consumption of resource.
4, furfural dregs is carried out to neutralisation treatment
According to the production technology of furfural, in furfural dregs, contain certain acidic materials, be mainly acetic acid, sulfuric acid, if do not process, can cause certain corrosivity to equipment such as dedustings, increase operation and the maintenance cost of equipment.The acid-base neutralization method that current domestic employing is more, use the NaOH aqueous solution to carry out neutralisation treatment to furfural dregs, in whole process, need strictly control feeding intake of aqueous slkali and furfural dregs, operating procedure relative complex, and can bring a certain amount of moisture into, for the processed of later process has increased extra cost, drop into.
The present invention adopts and adds the method for flyash to carry out sour neutralisation treatment to furfural dregs, can reach good effect.In flyash, contain the alkaline matters such as CaO, MgO, acidic materials are had to stronger neutralising capacity, and low price, the cost of neutralization saved.
Through the present invention, a large number of experiments show that, the flyash that adds 5-10% in furfural dregs can effectively reduce the acidity of furfural dregs, play good neutralization, in being transported to the process of boiler combustion, later stage furfural dregs can effectively reduce the corrosivity to equipment, extend the service life of machinery equipment, reduce and produce and maintenance cost.
5, solid refuse reclamation
The treated raw material of producing fertilizer that can be used as of solid waste thing producing after furfural dregs burning, realizes the comprehensive utilization of resource.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
The specific embodiment
As shown in Figure 1, agricultural wastes comprehensive utilization new technology: agricultural wastes (corncob+stalk) acid hydrolysis obtains aldehyde vapour and furfural dregs, furfural dregs first carries out press filtration by belt filter press, the preliminary furfural dregs water content that reduces is to 40wt%, send to subsequently the further drying and dewatering of rotary dryer, when furfural dregs moisture is down to 15wt%, add the flyash that accounts for furfural dregs quality 10wt% to neutralize, neutralization makes biomass fuel by briquetting granulation, after biomass fuel combustion for biomass power generation, the solid waste thing simultaneously producing after burning is realized recycling as the raw material of fertilizer, aldehyde vapour is after filtration after condensation, and the liquid that condensation obtains is a mao aldehyde, and hair aldehyde enters dehydrating tower depickling and dewaters and to obtain thick aldehyde, and thick aldehyde enters the rectifying column continuous rectification furfural that gets product, the aldehyde vapour not being condensed displaces aldehyde vapour heat energy by finned heat exchanger, and heat energy is input to rotary dryer by pipeline, and furfural dregs is dried.
Gained finished product furfural quality meets national GB/T 1926.1-2009 top grade product standard-requireds, and specific targets are as following table:
Simultaneously, the biomass fuel that furfural dregs is raw material of take of producing meets < < biomass solid formed fuel technical conditions > > (NY/T 1878-2010) standard-required, and specific targets are as following table:
Claims (6)
1. agricultural wastes fully utilize new technology, it is characterized in that: agricultural wastes acid hydrolysis obtains aldehyde vapour and furfural dregs, furfural dregs is first through press filtration, the preliminary furfural dregs water content that reduces, to 40-45%, is sent to subsequently and is dried further dehydration, when furfural dregs moisture is down to 15-20%, add flyash to neutralize, after neutralization, granulation makes biomass fuel, and after biomass fuel combustion, for biomass power generation, the solid waste thing simultaneously producing after burning is realized recycling as the raw material of fertilizer; Aldehyde vapour is after filtration after condensation, and the liquid that condensation obtains is a mao aldehyde, and hair aldehyde dewaters and to obtain thick aldehyde through depickling, and thick aldehyde carries out the rectifying furfural that gets product; The aldehyde vapour not being condensed displaces aldehyde vapour heat energy, the thermal source while drying as furfural dregs by heat exchange; Above-mentioned % is mass percent.
2. agricultural wastes comprehensive utilization new technology as claimed in claim 1, is characterized in that: described agricultural wastes are corncob, stalk or its combination.
3. agricultural wastes comprehensive utilization new technology as claimed in claim 1 or 2, is characterized in that: adopt belt filter press to carry out press filtration.
4. agricultural wastes comprehensive utilization new technology as claimed in claim 1 or 2, is characterized in that: adopt rotary dryer to dry.
5. agricultural wastes comprehensive utilization new technology as claimed in claim 1 or 2, is characterized in that: adopt finned heat exchanger to carry out heat exchange.
6. agricultural wastes comprehensive utilization new technology as claimed in claim 1 or 2, is characterized in that: when furfural dregs moisture is down to 15-20%, be calculated in mass percent, add the flyash that accounts for furfural dregs 5-10% to neutralize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527628.2A CN103551362B (en) | 2013-10-31 | 2013-10-31 | Agricultural wastes comprehensive utilization new technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527628.2A CN103551362B (en) | 2013-10-31 | 2013-10-31 | Agricultural wastes comprehensive utilization new technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103551362A true CN103551362A (en) | 2014-02-05 |
| CN103551362B CN103551362B (en) | 2015-10-21 |
Family
ID=50005812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310527628.2A Active CN103551362B (en) | 2013-10-31 | 2013-10-31 | Agricultural wastes comprehensive utilization new technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103551362B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395419A (en) * | 2018-01-29 | 2018-08-14 | 安徽理工大学 | A kind of furfural production new process of novel energy-saving environment-friendly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337953A (en) * | 2008-08-14 | 2009-01-07 | 河南宏业化工有限公司 | Method for producing furfural by cleaning hydrolysis of biomass |
| CN101735181A (en) * | 2008-11-18 | 2010-06-16 | 刘绍凯 | Pollution-free energy-saving new process for producing furfural, acetic acid and active carbon |
| CN101899350A (en) * | 2010-08-02 | 2010-12-01 | 韩新平 | Preparation method of biomass solid-molded composite fuel and biomass solid-molded composite fuel |
| CN101914078A (en) * | 2010-08-17 | 2010-12-15 | 山东万盛环保科技发展有限公司 | Process for producing furfural by bagasse |
| CN202164251U (en) * | 2011-08-12 | 2012-03-14 | 济南圣泉集团股份有限公司 | Residual heat recycling device for aldehyde steam of furfuraldehyde |
| WO2013030131A1 (en) * | 2011-08-26 | 2013-03-07 | Centre National De La Recherche Scientifique (C.N.R.S) | Method for preparing furfural |
-
2013
- 2013-10-31 CN CN201310527628.2A patent/CN103551362B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337953A (en) * | 2008-08-14 | 2009-01-07 | 河南宏业化工有限公司 | Method for producing furfural by cleaning hydrolysis of biomass |
| CN101735181A (en) * | 2008-11-18 | 2010-06-16 | 刘绍凯 | Pollution-free energy-saving new process for producing furfural, acetic acid and active carbon |
| CN101899350A (en) * | 2010-08-02 | 2010-12-01 | 韩新平 | Preparation method of biomass solid-molded composite fuel and biomass solid-molded composite fuel |
| CN101914078A (en) * | 2010-08-17 | 2010-12-15 | 山东万盛环保科技发展有限公司 | Process for producing furfural by bagasse |
| CN202164251U (en) * | 2011-08-12 | 2012-03-14 | 济南圣泉集团股份有限公司 | Residual heat recycling device for aldehyde steam of furfuraldehyde |
| WO2013030131A1 (en) * | 2011-08-26 | 2013-03-07 | Centre National De La Recherche Scientifique (C.N.R.S) | Method for preparing furfural |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395419A (en) * | 2018-01-29 | 2018-08-14 | 安徽理工大学 | A kind of furfural production new process of novel energy-saving environment-friendly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103551362B (en) | 2015-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102409572B (en) | New environmentally-friendly process for synthetically separating lignocellulose from bagasse | |
| CN103013610B (en) | Method for preparing biomass briquette by virtue of lower-calorific-value coal | |
| CN202558749U (en) | Improved device for sludge pyrolysis treatment | |
| WO2013142317A1 (en) | Processes and apparatus for producing fermentable sugars and low-ash biomass for combustion at reduced emissions | |
| CN103555387B (en) | Preparation method of bio-fuel | |
| CN102766703B (en) | Hydrolysis method for hemicelluloses of lignocelluloses | |
| WO2016091169A1 (en) | Method and apparatus for disposing organic refuse | |
| US20130244291A1 (en) | Processes and apparatus for producing energy-dense biomass for combustion and fermentable sugars from the biomass | |
| CN102605020B (en) | Method for improving lignocellulose enzymolysis and saccharification efficiency | |
| CN103771410A (en) | Preparation method for crop straw active carbon | |
| CN105461758A (en) | A method of increasing a humic acid extraction ratio from brown coal | |
| CN104130034A (en) | Method for producing fiber board and organic fertilizer by utilizing garden waste | |
| CN102329675A (en) | Environment-friendly biomass granular fuel and preparation method thereof | |
| CN102679689B (en) | Low energy consumption, low emission, coal quality guaranteed and safe drying method and device for chemical feed coal | |
| CN104164801A (en) | Method for separating and recycling cellulose, semicellulose and lignin in lignocellulosic biomass at one time | |
| CN103214045B (en) | A kind for the treatment of process of furfural waste-water | |
| CN103551362B (en) | Agricultural wastes comprehensive utilization new technology | |
| CN103466618A (en) | Continuous type preparation method of biomass activated carbon | |
| CN206276399U (en) | A kind of preparation system of giantreed biomass carbon adsorbent | |
| CN102391102A (en) | Method for preparing acetylpropionic acid by hydroxyacid hydrolysis of straw | |
| CN102465152A (en) | Cellulose ethanol internal circulation production method without pretreatment | |
| CN101186834A (en) | Method for preparing biological diesel oil from rubber seed oil | |
| CN205102572U (en) | Power generation system is synthesized with waste heat recovery to dry brown coal and weary air water | |
| CN205420242U (en) | Furfural cleaner production assembly line | |
| CN103342733A (en) | Extraction method for protein in juice |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: The biomass energy industry in Nanle County of Puyang Henan province 457400 City Park Patentee after: HONGYE BIOLOGICAL TECHNOLOGY CO.,LTD. Address before: Puyang City, Henan province Nanle County 457409 Han Zhang Zhen Xia Zhuang Cun, Dongan Ji Road South Patentee before: Hongye Chemical Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Novel process for comprehensively utilizing agricultural wastes Effective date of registration: 20180525 Granted publication date: 20151021 Pledgee: Nan Le County Rural credit cooperative association Zhang Guo Tun Credit Union Pledgor: HONGYE BIOLOGICAL TECHNOLOGY CO.,LTD. Registration number: 2018990000412 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190624 Granted publication date: 20151021 Pledgee: Zhang Guotun Branch of Henan Nanle Rural Commercial Bank Co.,Ltd. Pledgor: HONGYE BIOLOGICAL TECHNOLOGY CO.,LTD. Registration number: 2018990000412 |
|
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20190624 Registration number: 2018990000412 Pledgee after: Zhang Guotun Branch of Henan Nanle Rural Commercial Bank Co.,Ltd. Pledgee before: Nan Le County Rural credit cooperative association Zhang Guo Tun Credit Union |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Novel process for comprehensively utilizing agricultural wastes Effective date of registration: 20200701 Granted publication date: 20151021 Pledgee: Zhang Guotun Branch of Henan Nanle Rural Commercial Bank Co.,Ltd. Pledgor: HONGYE BIOLOGICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980003695 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220406 Granted publication date: 20151021 Pledgee: Zhang Guotun Branch of Henan Nanle Rural Commercial Bank Co.,Ltd. Pledgor: HONGYE BIOLOGICAL TECHNOLOGY CO.,LTD. Registration number: Y2020980003695 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221205 Address after: 457000 Han Zhang Zhen Xia Zhuang Cun Dong, Nanle County, Puyang City, Henan Province Patentee after: Puyang Hongye biomass energy Co.,Ltd. Address before: 457400 Biomass Energy Industrial Park, Nanle County, Puyang City, Henan Province Patentee before: HONGYE BIOLOGICAL TECHNOLOGY CO.,LTD. |