CN105002219A - Method using furfural residues for producing biochemical humic acid solution - Google Patents
Method using furfural residues for producing biochemical humic acid solution Download PDFInfo
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- CN105002219A CN105002219A CN201510469388.4A CN201510469388A CN105002219A CN 105002219 A CN105002219 A CN 105002219A CN 201510469388 A CN201510469388 A CN 201510469388A CN 105002219 A CN105002219 A CN 105002219A
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- humic acid
- acid solution
- furfural dregs
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Abstract
The invention relates to a method for producing a biochemical humic acid solution, in particular to a method using furfural residues for producing the biochemical humic acid solution. The method is characterized in that at first, the furfural residues are fermented, then the fermented furfural residues, alkali and water are added into a reaction kettle, an agitator is started, and an anti-foaming agent is slowly added; a steam valve is opened, temperature of the material in the reaction kettle rises to 55 DEG C-90 DEG C, and the material is stirred for 0.5-3.5 h at constant temperature; after the reaction is finished, the agitator is stopped, and the material in the kettle is thrown into a centrifugal machine to be centrifuged, so that the biochemical humic acid solution and the extracted residues are separated; the centrifuged biochemical humic acid solution is thrown into a finished product storage tank. The method is unique, waste is utilized, the effect of environmental protection is achieved, and certain economic, social and environmental benefits are brought.
Description
Technical field
The present invention relates to a kind of method of producing biochemical humic acid solution, especially relate to a kind of method that furfural dregs produces biochemical humic acid solution.
Background technology
Use a large amount of corn cobs in furfural production process, produce furfural and can produce a large amount of furfural dregs; Furfural production enterprise usually can by the fuel combustion of furfuraldehyde waste slag as boiler house, and the waste gas of burning furfuraldehyde waste slag discharge pollutes the environment.Furfural dregs is as the waste produced in biomass water solution preocess, and its bulk deposition can produce and pollute air, soil, river.
Furfural dregs contains a large amount of Mierocrystalline celluloses, hemicellulose, xylogen as a kind of biomass class waste, has good recycle value.Therefore, reasonably recycling furfural dregs, eliminates its pollution to environment, increase the economic value added of furfural dregs simultaneously, realizing the zero release of pollutant target in furfural enterprise production process, reach the object of cleaner production, recycle, is the problem that furfural dregs recycling needs solution badly.
The macromole such as the Mierocrystalline cellulose in furfural dregs can produce small organic molecule matter humic acids after undergoing microbial fermentation and degrading.Humic acids is except having improvement soil, synergy chemical fertilizer, the effects such as stimulating plant growth, also at enhancing stress resistance of plant, cultivate seed development, increase water-retaining quantity among field of soil, promote beneficial microorganism growth in soil, suppress pathogenic micro-organism to occur, improve the aspects such as soil microenvironment and play an important role.
The method of biochemical humic acid solution is not also produced at present with furfural dregs.
Summary of the invention
The object of the invention is the defect overcoming prior art, provide a kind of method unique, realize utilization of waste material, solve environmental issue, bring again certain economy, society, environmental benefit a kind of furfural dregs produce the method for biochemical humic acid solution.
The present invention realizes in the following way:
Furfural dregs produces a method for biochemical humic acid solution, it is characterized in that: the method, for first to ferment to furfural dregs, then adds fermentation furfural dregs, alkali, water, starts stirrer, slowly add defoamer in reactor; Open steam valve, material in reactor is warming up to 55-90 DEG C, and constant temperature stirs 0.5-3.5h; After reaction terminates, close and stir, material in still is squeezed into centrifuge, biochemical humic acid solution is separated with extraction residue; Biochemical humic acid solution after centrifugal is squeezed into finished product storage tank; The mass percentage of above-mentioned raw materials is: fermentation furfural dregs 12-25%, alkali 2-15%, water 65-85%, defoamer 0.05-0.5%;
The method of described fermentation of furfural residues is as follows:
A. base-material raw material based on furfural dregs, adding 1.0% ~ 4.0% urea regulates carbon-nitrogen ratio to be conducive to fermentable, inoculate BM microbial inoculum heap fermentation to form, microbial inoculum add-on accounts for the 0.1%-0.5% of furfuraldehyde waste slag quality, adds and makes the moisture control of compound 50 ~ 65%;
B. adopt the fermentation of bar buttress formula, carry out after mixing beating heap, pile high 1-2.5m, wide 1.5-3m, length is not limit;
C. monitor temperature change every day, temperature is elevated to 60 DEG C and starts first time turning later, and every turning in 4-7 days is later once;
D. get fermentation furfural dregs after fermenting one month and carry out Indexs measure, pH reaches more than 5.5 and humic acids content reaches more than 15%, if Testing index does not reach proceed turning fermentation until qualified;
Described alkali is sodium hydroxide or potassium hydroxide;
Described defoamer is tributyl phosphate.
The present invention has following effect:
1) method is unique: method provided by the invention, for first to ferment to furfural dregs, then adds fermentation furfural dregs, alkali, water, starts stirrer, slowly add defoamer in reactor; Open steam valve, material in reactor is warming up to 55-90 DEG C, and constant temperature stirs 0.5-3.5h; After reaction terminates, close and stir, material in still is squeezed into centrifuge, biochemical humic acid solution is separated with extraction residue; Biochemical humic acid solution after centrifugal is squeezed into finished product storage tank; The mass percentage of above-mentioned raw materials is: fermentation furfural dregs 12-25%, alkali 2-15%, water 65-85%, defoamer 0.05-0.5%.
2) environment protecting is good: the present invention for raw material with the furfural dregs produced in furfural, carries out utilization of waste material to furfural dregs, both solved environmental issue, brings again certain economy, society, environmental benefit.Furfural dregs belongs to furfural production waste, and acid strong, random stacking can cause soil, water body, topsoil etc.Equally, if furfural dregs carries out as fuel, the flue gas of burning and exhausting is mishandling to pollute the environment equally.The process problem that can solve furfural dregs is extracted by fermentation of furfural residues.
3) there is good economic benefit: first method provided by the invention carries out fermentative processing to furfural dregs, obtain fermentation maturity furfural dregs, then carry out extraction and obtain biochemical humic acid solution.The biochemical humic acid solution that extraction obtains can be used for production derived product such as liquid and containing biochemical humic acid soil improvement agent, has good economic benefit containing biochemical humic acid soil conditioner, liquid containing biochemical humic acid water-soluble fertilizer, liquid.
Embodiment
Embodiment one: a kind of furfural dregs produces the method for biochemical humic acid solution, adopts and obtains with the following method:
I. fermentation of furfural residues:
A. base-material raw material based on furfural dregs, adds 2% urea and regulates carbon-nitrogen ratio, inoculate 0.2%BM microbial inoculum, add water and make the water ratio of compound 55 ~ 60%.
B. carry out after mixing beating heap, pile high 2m, wide 2m.
C. accomplish fluently the change of heap monitor temperature rear every day, temperature is elevated to 60 DEG C and starts first time turning later, and turning in later every 5 days once.
D. fermentation detects for one month, and pH reaches more than 5.5 and humic acids content reaches more than 15%.
II. biochemical humic acid extracts:
A. in reactor, add 12% fermentation furfural dregs, 6% sodium hydroxide, 81.95% water, start stirrer, slowly add 0.05% defoamer;
B. open steam valve, be warming up to 60 DEG C in reactor, constant temperature stirs 3.5h;
C. after reaction terminates, close and stir, material in still is squeezed into centrifuge, biochemical humic acid solution is separated with extraction residue;
D. the biochemical humic acid solution after centrifugal is squeezed into finished product storage tank.
Embodiment two: a kind of furfural dregs produces the method for biochemical humic acid solution, adopts and obtains with the following method:
I. fermentation of furfural residues:
A. base-material raw material based on furfural dregs, adds 1.5% urea and regulates carbon-nitrogen ratio, inoculate 0.4%BM microbial inoculum, add water and make the water ratio of compound 55 ~ 60%.
B. carry out after mixing beating heap, pile high 1m, wide 2.5m.
C. accomplish fluently the change of heap monitor temperature rear every day, temperature is elevated to 60 DEG C and starts first time turning later, and turning in later every 6 days once.
D. fermentation detects for one month, and pH reaches more than 5.5 and humic acids content reaches more than 15%.
II. biochemical humic acid extracts:
A. in reactor, add 16% fermentation furfural dregs, 10% potassium hydroxide, 73.8% water, start stirrer, slowly add 0.2% defoamer;
B. open steam valve, be warming up to 90 DEG C in reactor, constant temperature stirs 0.5h;
C. after reaction terminates, close and stir, material in still is squeezed into centrifuge, biochemical humic acid solution is separated with extraction residue;
D. the biochemical humic acid solution after centrifugal is squeezed into finished product storage tank.
Embodiment three: a kind of furfural dregs produces the method for biochemical humic acid solution, adopts and obtains with the following method:
I. fermentation of furfural residues:
A. base-material raw material based on furfural dregs, adds 3.5% urea and regulates carbon-nitrogen ratio, inoculate 0.5%BM microbial inoculum, add water and make the water ratio of compound 50 ~ 60%.
B. carry out after mixing beating heap, pile high 1.5m, wide 2m.
C. accomplish fluently the change of heap monitor temperature rear every day, temperature is elevated to 60 DEG C and starts first time turning later, and turning in later every 7 days once;
D. fermentation detects for one month, and pH reaches more than 5.5 and humic acids content reaches more than 15%.
II. biochemical humic acid extracts:
A. in reactor, add 22% fermentation furfural dregs, 8% sodium hydroxide, 69.7% water, start stirrer, slowly add 0.3% defoamer;
B. open steam valve, be warming up to 75 DEG C in reactor, constant temperature stirs 2h;
C. after reaction terminates, close and stir, material in still is squeezed into centrifuge, biochemical humic acid solution is separated with extraction residue;
D. the biochemical humic acid solution after centrifugal is squeezed into finished product storage tank.
Embodiment four: a kind of furfural dregs produces the method for biochemical humic acid solution, adopts and obtains with the following method:
I. fermentation of furfural residues:
A. base-material raw material based on furfural dregs, adds 3% urea and regulates carbon-nitrogen ratio, inoculate 0.3%BM microbial inoculum, add water and make the water ratio of compound 55 ~ 60%.
B. carry out after mixing beating heap, pile high 2m, wide 2.5m.
III. accomplish fluently the change of heap monitor temperature rear every day, temperature is elevated to 60 DEG C and starts first time turning later, and turning in later every 4 days is once.
C. fermentation detects for one month, and pH reaches more than 5.5 and humic acids content reaches more than 15%.
II. biochemical humic acid extracts:
A. in reactor, add 25% fermentation furfural dregs, 2% potassium hydroxide, 72.5% water, start stirrer, slowly add 0.5% defoamer;
B. open steam valve, be warming up to 80 DEG C in reactor, constant temperature stirs 1.5h;
C. after reaction terminates, close and stir, material in still is squeezed into centrifuge, biochemical humic acid solution is separated with extraction residue;
D. the biochemical humic acid solution after centrifugal is squeezed into finished product storage tank.
Described defoamer is tributyl phosphate.
Claims (4)
1. produce a method for biochemical humic acid solution with furfural dregs, it is characterized in that: the method, for first to ferment to furfural dregs, then adds fermentation furfural dregs, alkali, water, starts stirrer, slowly add defoamer in reactor; Open steam valve, material in reactor is warming up to 55-90 DEG C, and constant temperature stirs 0.5-3.5h; After reaction terminates, close and stir, material in still is squeezed into centrifuge, biochemical humic acid solution is separated with extraction residue; Biochemical humic acid solution after centrifugal is squeezed into finished product storage tank; The mass percentage of above-mentioned raw materials is: fermentation furfural dregs 12-25%, alkali 2-15%, water 65-85%, defoamer 0.05-0.5%.
2. a kind of furfural dregs produces the method for biochemical humic acid solution as claimed in claim 1, it is characterized in that: the method for described fermentation of furfural residues is as follows:
A. base-material raw material based on furfural dregs, adding 1.0% ~ 4.0% urea regulates carbon-nitrogen ratio to be conducive to fermentable, inoculate BM microbial inoculum heap fermentation to form, microbial inoculum add-on accounts for the 0.1%-0.5% of furfuraldehyde waste slag quality, adds and makes the moisture control of compound 50 ~ 65%;
B. adopt the fermentation of bar buttress formula, carry out after mixing beating heap, pile high 1-2.5m, wide 1.5-3m, length is not limit;
C. monitor temperature change every day, temperature is elevated to 60 DEG C and starts first time turning later, and every turning in 4-7 days is later once;
D. get fermentation furfural dregs after fermenting one month and carry out Indexs measure, pH reaches more than 5.5 and humic acids content reaches more than 15%, if Testing index does not reach proceed turning fermentation until qualified.
3. a kind of furfural dregs produces the method for biochemical humic acid solution as claimed in claim 1, it is characterized in that: described alkali is sodium hydroxide or potassium hydroxide.
4. a kind of furfural dregs produces the method for biochemical humic acid solution as claimed in claim 1, it is characterized in that: described defoamer is tributyl phosphate.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517334A (en) * | 2011-12-09 | 2012-06-27 | 宁夏共享集团有限责任公司 | Method for producing biochemical humate by microbially fermented furfural residues |
| CN102515885A (en) * | 2011-10-26 | 2012-06-27 | 石家庄学院 | Method for preparing humic acid by using weathered coal |
| CN102517338A (en) * | 2011-12-09 | 2012-06-27 | 宁夏共享集团有限责任公司 | Method for producing biochemical humic acid through microbial fermentation of furfural residue |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515885A (en) * | 2011-10-26 | 2012-06-27 | 石家庄学院 | Method for preparing humic acid by using weathered coal |
| CN102517334A (en) * | 2011-12-09 | 2012-06-27 | 宁夏共享集团有限责任公司 | Method for producing biochemical humate by microbially fermented furfural residues |
| CN102517338A (en) * | 2011-12-09 | 2012-06-27 | 宁夏共享集团有限责任公司 | Method for producing biochemical humic acid through microbial fermentation of furfural residue |
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