CN106319100A - Biomass resource utilization method - Google Patents
Biomass resource utilization method Download PDFInfo
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- CN106319100A CN106319100A CN201510370912.2A CN201510370912A CN106319100A CN 106319100 A CN106319100 A CN 106319100A CN 201510370912 A CN201510370912 A CN 201510370912A CN 106319100 A CN106319100 A CN 106319100A
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Abstract
The invention belongs to the technical field of biomass reutilization, and specifically relates to a biomass resource utilization method. According to the method, biomass is mixed with a catalyst to carry out hydrolysis so as to obtain monosaccharide and polysaccharide; wherein the catalyst is one or more of dolomite, kaolin, clay, quartz stone, glass, and silicon carbide. The catalyst source is wide; after the catalyst is mixed with biomass, the hydrolysis of cellulose and semi-cellulose is catalyzed, cellulose and semi-cellulose are rapidly converted into monosaccharide and polysaccharide; part of lignin is catalytically converted into cellulose and semi-cellulose, thus the sugar yield of biomass is greatly increased, and prominent economic benefits are generated. Moreover, dolomite and kaolin is indissoluble to water, and thus subsequent separation and purification become easier.
Description
Technical field
The invention belongs to the reutilization technology field of biomass, a kind of method being specifically related to biomass recycling use.
Background technology
In numerous straws such as Semen Tritici aestivi, Semen Maydis, Cotton Gossypii, Caulis et Folium Oryzae, weeds, Caulis Sacchari sinensis, utilizing the corn straw lacked to pass the winter in addition to feedstuff as domestic animal except northern China only a few area has, remaining straw is all directly discarded, and is not recycled.For discarded straw, peasant is usually and uses simple burning to process, but burns and bring serious atmospheric pollution.Although at present country repeats injunctions and forbids Burning Straws, but is because not having supporting stalk resource recycling technology, peasant is for the consideration of reduction labor intensity, and crop straw burning is the most common.
At present, also there is a lot of report with straw for the technology that raw material is refined sugar, be the environmental protection of very typical garbage recycling, renewable energy source item.But this technology converts out generally by by itself intrinsic sugar in straw, its substantially extraction purification technology.And possibly together with substantial amounts of cellulose, hemicellulose in straw, and water-fast lignin, can these materials maximized be converted into sugar, and be directly connected to straw goes out sugar rate.Prior art has and uses zymolysis technique that cellulose, hemicellulose are converted into sugared report, lignin is the most directly filtered to remove；Also use ionic liquid as catalyst, cellulose, hemicellulose are converted into sugared report.But these technology are not all suitable for large batch of large-scale production.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of method of biomass recycling use.The present invention is by using dolomite, Kaolin, clay, quartz etc. as catalyst, make cellulose, hemicellulose fast hydrolyzing saccharogenesis and polysaccharide, and this catalyst also makes partial lignin be converted into cellulose, hemicellulose, thus drastically increase biomass go out sugar rate, there is significant economic benefit.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of method of biomass recycling use: biomass mixed with catalyst, prepares monosaccharide and polysaccharide through hydrolysis；Described catalyst is one or more in dolomite, Kaolin, clay, quartz, glass, carborundum.
In the method for described biomass recycling use, biomass are 1:5～10:1 with the mass ratio of catalyst.
Described catalyst is clay, and it is by preparing after being pulverized by potsherd；
Described glass is with scrap glass as raw material, uses after pulverizing again.
The method of described biomass recycling use, specifically includes following steps:
(1) primary fragmentation: use beater grinder that biomass are carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer that biomass are carried out second-time breakage；
(3) catalysis is broken: after biomass being mixed homogeneously with catalyst, be ground to 80 mesh-120 mesh；The most preferentially using 25000 revs/min of laboratory mills to be ground, milling time is 5min～20min；
(4) hydrolysis: add ordinary tap water or high-purity distilled water in grinding material, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for merging is carried out heat treated, temperature programming to 90～100 DEG C, then programmed cooling is to 80 DEG C, and this heatable catalytic can accelerate being sufficiently mixed of material, promotes reaction rate, is advisable with sugar not carbonization in filtrate；Processed by heatable catalytic, the cellulose in material, hemicellulose can be rapidly converted into monosaccharide and polysaccharide, and be cellulose, hemicellulose by undissolved for part lignin conversion, and be dissolved in the water；In raw material, insoluble remainder lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: after heatable catalytic, take the mode of vacuum filtration immediately, by fast qualitative filter paper filtering, the monosaccharide being converted to, polysaccharide filtrate are collected, and remainder lignin, catalyst and other the insoluble materials that will be unable to dissolve is intercepted by qualitative filter paper and separate；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Biomass of the present invention can be the straw of numerous plants such as Semen Tritici aestivi, Semen Maydis, Cotton Gossypii, Caulis et Folium Oryzae, weeds, Caulis Sacchari sinensis, and other biological matter is equally applicable to the method for the present invention.
Described biomass are bagasse；Sucrose during technique extracts Caulis Sacchari sinensis the most routinely, the bagasse after purification mixes with catalyst, prepares monosaccharide and polysaccharide through hydrolysis；Wherein bagasse with the mass ratio of catalyst is: 1:5～10:1.
The beneficial effects of the present invention is:
(1) present invention uses dolomite, Kaolin, clay, quartz etc. as the catalyst of manufacturing sugar by biomass first, these catalyst make part lignin conversion in biomass be cellulose, hemicellulose, and prior art is all directly to be filtered to remove by water-fast lignin；Further, the cellulose in these catalyst energy quick catalysis straws, hydrolysis of hemicellulose are converted into monosaccharide and polysaccharide, promote reaction rate, and drastically increase straw goes out sugar rate, possesses significant economic benefit；
(2) water insoluble due to these catalyst itself such as dolomite, Kaolin, clays, easily separate with the sugar products being dissolved in water, simplify follow-up product separating-purifying, decrease the loss of product；And its wide material sources, easy to use, the large-scale promotion use for the inventive method provides great convenience；
(3) present invention uses break process and the grinding technique of improvement, it is ground by primary fragmentation, second-time breakage, 25000 revs/min of laboratory mills, lignin in straw, cellulose, hemicellulose are fully contacted with catalyst, increase contact area, improve catalytic efficiency, so that lignin is farthest converted into cellulose, hemicellulose, thus improve biomass go out sugar rate；
(4) steps such as broken, hydrolysis, heatable catalytic involved by the inventive method are easy to realize, it is not necessary to special equipment and reaction condition, be suitable for high-volume, large-scale production and application, and production cost is low, high financial profit；
(5) present invention is by by biomass catalyzing hydrolysis sugaring, biomass are made to turn waste into wealth, solving biomass and burn the harm causing atmospheric environment, the recycling for biomass provides direction, is the environmental protection of very typical garbage recycling, renewable energy source item.
Detailed description of the invention
Present invention the following example further illustrates the present invention, but protection scope of the present invention is not limited to the following example.
Embodiment
1
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that wheat stalk is carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer to carry out straw is carried out second-time breakage process；
(3) catalysis is broken: straw 13g, carborundum 26g being mixed, use 25000 revs/min of laboratory mills that compound is ground to 80 mesh-120 mesh, milling time is 20min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for after merging is carried out heatable catalytic process, and temperature programming to 90 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is that 43.5%(extracts the monosaccharide obtained and the polysaccharide gross weight weight divided by biomass material itself by this embodiment, obtains sugar rate).
Embodiment
2
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that corn straw is carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer to carry out straw is carried out second-time breakage process；
(3) catalysis is broken: straw 41.5g, dolomite 18.5g being mixed, use 25000 revs/min of laboratory mills that compound is ground to 80 mesh-120 mesh, milling time is 5min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for after merging is carried out heatable catalytic process, and temperature programming to 100 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is 46.00%.
Embodiment
3
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that cotton stalk is carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer to carry out straw is carried out second-time breakage process；
(3) catalysis is broken: by straw 18.9g, Kaolin 28.3g, clay 2.8g mixing, using 25000 revs/min of laboratory mills that compound is ground to 80 mesh-120 mesh, milling time is 10min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for after merging is carried out heatable catalytic process, and temperature programming to 90 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is 47.50%.
Embodiment
4
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that cotton stalk, rice straw (mass ratio 1:1 mixes) are carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer to carry out straw is carried out second-time breakage process；
(3) catalysis is broken: straw 16g, clay 24g being mixed, use 25000 revs/min of laboratory mills that compound is ground to 80 mesh-120 mesh, milling time is 10min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for after merging is carried out heatable catalytic process, and temperature programming to 90 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is 58.55%.
Embodiment
5
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that the bagasse after purifying is carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer that bagasse is carried out second-time breakage process；
(3) catalysis is broken: bagasse 13.4g, carborundum 26.6g being mixed, use 25000 revs/min of laboratory mills that compound is ground to 80 mesh-120 mesh, milling time is 20min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for after merging is carried out heatable catalytic process, and temperature programming to 95 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is 50.55%.
Embodiment
6
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that weeds straw is carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer to carry out straw is carried out second-time breakage process；
(3) catalysis is broken: straw 6.67g, carborundum 33.33g being mixed, use 25000 revs/min of laboratory mills that compound is ground to 80 mesh-120 mesh, milling time is 20min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for after merging is carried out heatable catalytic process, and temperature programming to 100 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is 45.5%.
Embodiment
7
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that rice straw is carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer to carry out straw is carried out second-time breakage process；
(3) catalysis is broken: straw 36.36g, Kaolin 3.64g being mixed, use 25000 revs/min of laboratory mills that compound is ground to 80 mesh-120 mesh, milling time is 20min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heatable catalytic: the material being sufficiently stirred for after merging is carried out heatable catalytic process, and temperature programming to 90 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is 46.5%.
Comparative example
1
A kind of method of biomass recycling use, comprises the following steps:
(1) primary fragmentation: use beater grinder that cotton stalk is carried out initial integral method process；
(2) second-time breakage: use continuous-flow type pulverizer to carry out straw is carried out second-time breakage process；
(3) catalysis is broken: using 25000 revs/min of laboratory mills that straw 50g is ground to 80 mesh-120 mesh, milling time is 10min；
(4) hydrolysis: add ordinary tap water in material after grinding, allows material and water carry out being sufficiently stirred for merging；
(5) heating: the material being sufficiently stirred for after merging is carried out heat treated, and temperature programming to 90 DEG C, then programmed cooling is to 80 DEG C；By heating, the cellulose in material, hemicellulose being converted into monosaccharide and polysaccharide, and be dissolved in the water, in raw material, insoluble lignin, catalyst and other insoluble materials, then separate in this process；
(6) vacuum filtration: take the mode of vacuum filtration, by the filtration of fast qualitative filter paper, exports the monosaccharide being converted to, polysaccharide filtrate, and the lignin that will be unable to dissolve is separated by qualitative filter paper obstruct with catalyst；
(7) drying crystalline: filtrate be positioned in electric drying oven with forced convection, carries out water evaporates out, and the monosaccharide, the polysaccharide that are converted to the most at last carry out crystallization treatment.
Result is: going out sugar rate is 12.01%.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent and modification, all should belong to the covering scope of the present invention.
Claims (10)
1. the method for a biomass recycling use, it is characterised in that: biomass are mixed with catalyst, prepares monosaccharide and polysaccharide through hydrolysis；Described catalyst is the mixture of one or more in dolomite, Kaolin, clay, quartz, glass, carborundum.
The method of biomass recycling use the most according to claim 1, it is characterised in that: biomass with the mass ratio of catalyst are: 1:5～10:1.
The method of biomass recycling use the most according to claim 1, it is characterised in that: described catalyst is clay.
The method of biomass recycling use the most according to claim 1, it is characterised in that: specifically include following steps: biomass are broken, biomass and the mixed grinding of catalyst, hydrolysis, heatable catalytic, vacuum filtration, drying crystalline.
The method of biomass recycling use the most according to claim 3, it is characterized in that: described biomass are broken includes primary fragmentation and second-time breakage, use beater grinder that biomass carry out primary fragmentation process, use continuous-flow type pulverizer that biomass are carried out second-time breakage process.
The method of biomass recycling use the most according to claim 3, it is characterized in that: described biomass with the mixed grinding of catalyst are: after broken biomass being mixed homogeneously in mass ratio with catalyst, using 25000 revs/min of laboratory mills to be ground to 80 mesh-120 mesh, milling time is 5min～20min.
The method of biomass recycling use the most according to claim 3, it is characterised in that: described is hydrolyzed to: adds ordinary tap water or high-purity distilled water in the material after grinding, allows material and water carry out being sufficiently stirred for, merging.
The method of biomass recycling use the most according to claim 1, it is characterised in that: described biomass are one or more mixture in Semen Tritici aestivi, Semen Maydis, Cotton Gossypii, Caulis et Folium Oryzae, weeds, sugarcane plants straw.
The method of biomass recycling use the most according to claim 1, it is characterised in that: described biomass are bagasse；Sucrose during technique extracts Caulis Sacchari sinensis the most routinely, the bagasse after purification mixes with catalyst, prepares monosaccharide and polysaccharide through hydrolysis.
The method of biomass recycling use the most according to claim 9, it is characterised in that: bagasse with the mass ratio of catalyst is: 1:5～10:1.
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Application publication date: 20170111 |