CN102174589B - Method for co-production of chemicals by solid-state fermentation in cane sugar manufacture and comprehensive utilization of canes - Google Patents
Method for co-production of chemicals by solid-state fermentation in cane sugar manufacture and comprehensive utilization of canes Download PDFInfo
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- CN102174589B CN102174589B CN201110034113XA CN201110034113A CN102174589B CN 102174589 B CN102174589 B CN 102174589B CN 201110034113X A CN201110034113X A CN 201110034113XA CN 201110034113 A CN201110034113 A CN 201110034113A CN 102174589 B CN102174589 B CN 102174589B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention provides a method for co-production of ethanol, butanol, lactic acid and the like by solid-state fermentation in cane sugar manufacture and comprehensive utilization of canes, aiming at overcoming the defects of energy consumption due to multi-pass squeezing for sugar juice extraction and difficulty in recycling subsequent bagasse resources in cane sugar manufacture and other utilization processes. In the method, about 75% of total cane sugar amount can be extracted by consuming about 25% of the energy consumed by the traditional cane sugar juice extraction process, and a solid fermentation manner is used to reduce the energy consumption for cane utilization by utilizing about 25% of the residual sugar amount in raw materials; and the bagasse obtained after the solid fermentation is subjected to long/short fiber grading treatment, separated long fibers are used as raw materials for papermaking, and the short fibers, bagasse piths and the like are used as feed. By means of graded utilization of fermented bagasse, the property of the raw materials for papermaking is improved and the quality of feed products is improved, and thus, the high-value comprehensive utilization of the cane resources is realized.
Description
Technical field
The invention belongs to biomass resource higher value application technical field, particularly a kind of method of cane sugar manufacture solid state fermentation co-producing ethanol and comprehensive utilization.
Background technology
Sugarcane is one of Main Economic crop of south China and important renewable resources.Cane sugar manufacture is that nine of China's Eleventh Five-Year Plan development of food industry give priority to one of industry.China is the third-largest Sugar Production state and second largest sugar country of consumption in the world, but still there is development space in the consumption of sugar per capita of China, and simultaneously, the sugaring industrial technology all far lags behind the international average level in key links such as water consumption, power consumption, recyclings.
Sugar manufacturing industry is with a long history, and traditional comprises take sugarcane as the raw material sugar refining technology: extraction of the juice, peace and quiet, evaporation, crystallization, purging and the operation such as dry, extracting sugarcane juice mainly adopts milling process.Be mainly to cut into thread sugarcane and sugarcane material sheet, enter squeezing machine, make the cell walls of the sugarcane cell that is full of sugarcane juice be subject to the pressure of squeezing machine roller and oil pressure and break, the sugarcane material is compressed, discharges sugarcane juice when cell is crushed; The bagasse that to discharge from squeezing machine, begin to expand by means of the maceration system adds water or dilute juice maceration, with the sugar in diluting cells, extracts more sugarcane juice.In the extraction of the juice flow process, squeezing for the first time can obtain 75% of syrup, the energy consumption of using is 25% of whole extraction of the juice flow process energy consumption, but in sugar manufacturing industry, for sufficient extraction of the juice, most sugar enterprise adopts the squeezing more than three times and three times to process, and that is to say that the energy consumption that will consume in addition 75% obtains 25% syrup, and this improves the extraction of the juice flow process energy consumption of sugar manufacturing industry greatly.
Bagasse is the main byproduct of sugar industry, and general every product 1t sugar just produces 2t bagasse, so a large amount of bagasse of each sugar refinery stock.Traditionally bagasse often go out of use need not or majority only be used as fuel, its utilization ratio is very low, has not only caused the waste of resource, but also has brought the pollution of environment.Along with the deep development of cane sugar industry, the Resource analysis such as bagasse further to be carried out, feed, papermaking etc. are mainly concentrated in bagasse utilization now.But the bagasse of processing through squeezing the juice more than three times or three times, in low and bagasse, degree of lignification is high due to its sugar, and during as ruminant feed, organic matter digestibility only has 20%～25% or lower.Aspect bagasse slurrying, to have developed some bagasse pulping process, but be mingled with etc. because the bagasse raw material contains Pith and long and short fiber, this slurry only is fit to produce more low-grade paper kind, and printing adaptability is relatively poor, and Financial cost is very high.
Above-mentioned analysis can find out, cane sugar manufacture adopts the technique of traditional multiple tracks squeeze juice extracting, is also the difficulty that the utilization of follow-up bagasse produces in the time of power consumption, is unfavorable for the comprehensive utilization of sugarcane resource.
Summary of the invention
The purpose of invention
Utilize in process for cane sugar manufacture etc., multiple tracks squeeze juice extracting power consumption and cause the shortcoming such as follow-up bagasse resource utilization difficulty, the method of the chemical such as cane sugar manufacture solid state fermentation co-producing ethanol, butanols, lactic acid and comprehensive utilization is proposed, consume traditional extracting sugarcane juice technique approximately 25% energy approximately 75% sugarcane total reducing sugar amount is once proposed, adopt the mode of solid state fermentation to utilize approximately 25% sugar amount remaining in raw material, reduce sugarcane and utilize energy expenditure; Bagasse after solid state fermentation carries out the long and short fiber stage treatment, the macrofiber that separates is as paper making raw material, staple fibre and sugarcane marrow etc. are as feed, bagasse classification after fermentation is utilized, the performance that improves paper making raw material makes the quality of feeds product improve simultaneously, realizes the high-valued comprehensive utilization of sugarcane resource.
Concrete technical scheme is:
(1) fresh sugarcane is carried out extraction of the juice one, the sugarcane raw material after obtaining sugarcane juice and containing the extraction of the juice of part sugar;
(2) sugarcane raw material after the single extraction of the juice is carried out solid state fermentation;
(3) bagasse after solid state fermentation is carried out the long and short fiber classification, the macrofiber after classification is as pulping raw material, and staple fibre and sugarcane marrow thereof etc. are as feedstuff raw material.
Described solid state fermentation is solid state fermentation of ethanol through, butanols, lactic acid, citric acid etc.
Described sugarcane raw material after the single extraction of the juice is carried out solid state fermentation of ethanol through: the ratio that adds the 0.2-0.5g dry yeast according to every 100g raw material, yeast-inoculated after activation is carried out solid state fermentation in raw material, leavening temperature is 30-35 ℃, fermentation time is 24-48 hour, the ethanol that the distillation fermentation obtains.
Sugarcane raw material after described single extraction of the juice carries out the solid state fermentation butanols: after raw material sterilization, 10-15gC.acetobutylicum seed liquor, 0.1-0.2g ammonium sulfate, 0.1-0.2g yeast extract, 0.1-0.25g potassium dihydrogen sulfate and 0.01-0.10g dipotassium hydrogen phosphate are added in sugarcane raw material after the ratio of 100g raw material adds the single extraction of the juice; Carry out butylic fermentation after stirring, leavening temperature is 30-35 ℃, and fermentation time is 24-48 hour, the butanols that the distillation fermentation obtains;
Sugarcane raw material after described single extraction of the juice carries out solid state fermentation lactic acid: with 0.10-0.25g (NH
4)
2SO
4, 0.02-0.04gKH
2PO
4, 0.015-0.035gMgSO
47H
2O, 0.03-0.07gZnSO
47H
2The Pfansteihl rhizopus of O and 10-15g (Rhizopus oryzaAS3.81) seed liquor adds in sugarcane raw material after the ratio of 100g raw material adds the single extraction of the juice, at 32-35 ℃ of fermentation 60-72h, the lactic acid that separate fermentation produces.
Sugarcane raw material after described single extraction of the juice carries out the solid state fermentation citric acid: with 0.02-0.035g (NH
4)
2SO
4And 10-15g aspergillus niger (Aspergillus niger AS3.4309) seed liquor adds in sugarcane raw material after the ratio of 100g raw material adds the single extraction of the juice, at 25-28 ℃ of fermentation fermentation 60-96h, the citric acid that separate fermentation produces.
Method advantage of the present invention has:
1, the present invention only carries out extraction of the juice one to sugarcane raw material, consume traditional extracting sugarcane juice technique approximately 25% energy approximately 75% sugarcane total reducing sugar amount is once proposed, adopt the mode of solid state fermentation to utilize approximately 25% sugar amount remaining in raw material, remaining sugar in sugarcane raw material is obtained without four roads or the multiple tracks squeezing process of power consumption, but directly microbial fermentation utilization, save approximately 75% energy consumption than traditional sugarcane four roads or multiple tracks extracting juice process, reduce the Sugarcane Industry energy and utilize cost.
2, the sugarcane raw material with the single track extraction of the juice carries out solid state fermentation of ethanol through, butanols, lactic acid etc., reduce product fractionation by distillation energy consumption, do not produce waste water, low through the fermentation residue water content after solid state fermentation, can directly carry out stage treatment, be that the sugarcane of a kind of cleaning, low consumption utilizes technique.
3, the fermentation residue classification is utilized, to be mingled with the paper quality that inequality causes low with separating the macrofiber that obtains after staple fibre and sugarcane marrow as paper making raw material, solve bagasse integral body fiber when utilizing, the shortcoming that printing is poor, the economy of the raising sugarcane utilization of resources.
4, the fermentation residue classification is utilized, to separate the staple fibre that obtains after macrofiber and sugarcane marrow etc. as feed, reduced the wood substance component in the feedstuff raw material, the shortcomings such as the feed palatability is poor, digestibility is low have been solved, and after the processing that undergoes microbial fermentation, protein content increases, and improves the quality of feed.
Embodiment
The present invention will be further described below by embodiment.
Embodiment 1:
Fresh sugarcane 1kg is carried out extraction of the juice one, the sugarcane raw material 0.23kg after obtaining sugarcane juice 0.75kg and containing the extraction of the juice of part sugar; Sugarcane raw material after the single extraction of the juice is carried out solid state fermentation of ethanol through: the ratio that adds the 0.25g dry yeast according to every 100g raw material, yeast-inoculated after activation is carried out solid state fermentation in raw material, leavening temperature is 32 ℃, and fermentation time is 48 hours, the ethanol that the distillation fermentation obtains; Bagasse after solid state fermentation is carried out the long and short fiber classification, and the macrofiber after classification is as pulping raw material, and staple fibre and sugarcane marrow thereof etc. are as feedstuff raw material.
Embodiment 2:
Fresh sugarcane 1kg is carried out extraction of the juice one, the sugarcane raw material 0.23kg after obtaining sugarcane juice 0.75kg and containing the extraction of the juice of part sugar; Sugarcane raw material after the single extraction of the juice is carried out solid state fermentation of ethanol through: the ratio that adds the 0.5g dry yeast according to every 100g raw material, yeast-inoculated after activation is carried out solid state fermentation in raw material, leavening temperature is 30 ℃, fermentation time is 36 hours, the ethanol that the distillation fermentation obtains, sugared transformation efficiency is 88.2%; Bagasse after solid state fermentation is carried out the long and short fiber classification, and the macrofiber after classification is as pulping raw material, and staple fibre and sugarcane marrow thereof etc. are as feedstuff raw material.
Embodiment 3:
fresh sugarcane 1kg is carried out extraction of the juice one, the sugarcane raw material 0.23kg after obtaining sugarcane juice 0.75kg and containing the extraction of the juice of part sugar, described solid ferment process is that the sugarcane raw material after the single extraction of the juice carries out the solid state fermentation butanols: access 15% (m/m) C.acetobutylicum seed liquor (seed liquor of C.acetobutylicum is comprised of 6% corn mash) after the raw material sterilization, add 0.2% (m/m) ammonium sulfate, the yeast extract of 0.1% (m/m), the dipotassium hydrogen phosphate of the potassium dihydrogen sulfate of 0.15% (m/m) and 0.05% (m/m), carry out butylic fermentation after stirring, leavening temperature is 30-35 ℃, fermentation time is 48 hours, the butanols that the distillation fermentation obtains, solvent total amount in the gas chromatography determination fermented liquid is 18.25g/L, butanol content is 12.44g/L, acetone content is 4.73g/L, bagasse after solid state fermentation is carried out the long and short fiber classification, and the macrofiber after classification is as pulping raw material, and staple fibre and sugarcane marrow thereof etc. are as feedstuff raw material.
Embodiment 4:
Fresh sugarcane 1kg is carried out extraction of the juice one, the sugarcane raw material 0.23kg after obtaining sugarcane juice 0.75kg and containing the extraction of the juice of part sugar; Described solid ferment process is that the sugarcane raw material after the single extraction of the juice carries out solid state fermentation lactic acid: add 0.25% nitrogenous source (NH
4)
2SO
4, 0.03%KH
2PO
4, 0.025%MgSO
47H
2O, 0.05%ZnSO
47H
2O, Pfansteihl rhizopus (RhizopusoryzaAS3.81) seed liquor of access 10%, at 32 ℃ of fermentation 60h, the lactic acid that separate fermentation produces, lactic acid reaches 87.6% to the transformation efficiency of sugar; Bagasse after solid state fermentation is carried out the long and short fiber classification, and the macrofiber after classification is as pulping raw material, and staple fibre and sugarcane marrow thereof etc. are as feedstuff raw material.
Embodiment 5:
Fresh sugarcane 1kg is carried out extraction of the juice one, the sugarcane raw material 0.23kg after obtaining sugarcane juice 0.75kg and containing the extraction of the juice of part sugar; Sugarcane raw material after described single extraction of the juice carries out the solid state fermentation citric acid: with 0.03g (NH
4)
2SO
4And 15g aspergillus niger (Aspergillus niger AS3.4309) seed liquor adds in sugarcane raw material after the ratio of 100g raw material adds the single extraction of the juice, and at 25-28 ℃ of fermentation fermentation 60h, the citric acid that separate fermentation produces obtains containing 15% citric acid; Bagasse after solid state fermentation is carried out the long and short fiber classification, and the macrofiber after classification is as pulping raw material, and staple fibre and sugarcane marrow thereof etc. are as feedstuff raw material.
Claims (1)
1. the method for a cane sugar manufacture solid state fermentation coproduction chemical and comprehensive utilization comprises following steps:
(1) fresh sugarcane is carried out extraction of the juice one, the sugarcane raw material after obtaining sugarcane juice and containing the single extraction of the juice of part sugar;
(2) sugarcane raw material after the single extraction of the juice is carried out solid state fermentation of ethanol through or butanols or lactic acid or citric acid;
Described solid state fermentation of ethanol through step is: the ratio that adds the 0.2-0.5g dry yeast according to every 100g raw material, to carry out solid state fermentation in the sugarcane raw material of the yeast-inoculated after activation after the single extraction of the juice, leavening temperature is 30-35 ℃, and fermentation time is 24-48 hour, the ethanol that the distillation fermentation obtains;
Described solid state fermentation butanols step is: after the raw material sterilization, the ratio that adds 10-15g C.acetobutylicum seed liquor, 0.1-0.2g ammonium sulfate, 0.1-0.2g yeast extract, 0.1-0.25g potassium dihydrogen sulfate and 0.01-0.10g dipotassium hydrogen phosphate according to the sugarcane raw material after 100g single extraction of the juice adds seed liquor, ammonium sulfate, yeast extract, potassium dihydrogen sulfate and dipotassium hydrogen phosphate in the sugarcane raw material after the single extraction of the juice; Carry out butylic fermentation after stirring, leavening temperature is 30-35 ℃, and fermentation time is 24-48 hour, the butanols that the distillation fermentation obtains;
Described solid state fermentation lactic acid step is: add 0.10-0.25g (NH according to the sugarcane raw material after 100g single extraction of the juice
4)
2SO
4, 0.02-0.04g KH
2PO
4, 0.015-0.035g MgSO
47H
2O, 0.03-0.07g ZnSO
47H
2The ratio of the Pfansteihl rhizopus seed liquor of O and 10-15g adds (NH in the sugarcane raw material after the single extraction of the juice
4)
2SO
4, KH
2PO
4, MgSO
47H
2O, ZnSO
47H
2O and seed liquor are at 32-35 ℃ of fermentation 60-72h, the lactic acid that separate fermentation produces;
Described solid state fermentation citric acid step is: add 0.02-0.035g (NH according to the sugarcane raw material after 100g single extraction of the juice
4)
2SO
4And the ratio of 10-15g aspergillus niger seed liquor, add (NH in the sugarcane raw material after the single extraction of the juice
4)
2SO
4And seed liquor, at 25-28 ℃ of fermentation 60-96h, the citric acid that separate fermentation produces;
(3) bagasse after solid state fermentation is carried out the long and short fiber classification, the macrofiber after classification is as pulping raw material, and staple fibre and sugarcane marrow thereof are as feedstuff raw material.
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|---|---|---|---|
| CN201110034113XA CN102174589B (en) | 2011-01-31 | 2011-01-31 | Method for co-production of chemicals by solid-state fermentation in cane sugar manufacture and comprehensive utilization of canes |
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| CN102174589B true CN102174589B (en) | 2013-06-05 |
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| CN102660885A (en) * | 2012-05-14 | 2012-09-12 | 中国科学院过程工程研究所 | Method for preparing high-performance long fiber by utilizing lignocelluloses biological method |
| CN104365994A (en) * | 2014-11-18 | 2015-02-25 | 广西海酩威酿酒有限公司 | Method for producing feed by using sugarcane rum distillers' grains liquid and bagasse |
| WO2023203583A1 (en) * | 2022-04-23 | 2023-10-26 | Taraprakash Prabhakar Vartak | Process for producing ethanol by oversaturated substrate fermentation and equipment for same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594584A (en) * | 2004-07-09 | 2005-03-16 | 哈尔滨工业大学 | Method for preparing lactic acid and feedstuff concurrent with crop straw fermentation |
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|---|---|---|---|---|
| CN1594584A (en) * | 2004-07-09 | 2005-03-16 | 哈尔滨工业大学 | Method for preparing lactic acid and feedstuff concurrent with crop straw fermentation |
Non-Patent Citations (2)
| Title |
|---|
| 甘蔗副产品的发展趋势;Ｂ.Ｓ.珀切斯;《广西轻工业》;19961231(第2期);47-55 * |
| 甘蔗渣生产燃料乙醇研究现状与对策;蓝艳华;《甘蔗糖业》;20071231(第6期);34-39 * |
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