CN103408678A - High-use-ratio manufacturing technology of extracting highly-active agarose product from red algae - Google Patents
High-use-ratio manufacturing technology of extracting highly-active agarose product from red algae Download PDFInfo
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- CN103408678A CN103408678A CN2013103153076A CN201310315307A CN103408678A CN 103408678 A CN103408678 A CN 103408678A CN 2013103153076 A CN2013103153076 A CN 2013103153076A CN 201310315307 A CN201310315307 A CN 201310315307A CN 103408678 A CN103408678 A CN 103408678A
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Abstract
The invention discloses a high-use-ratio manufacturing technology of extracting a highly-active agarose product from red algae. The low-alkali pressurizing method is adopted to pretreat the algae, so that the agaropectin extraction rate is effectively increased, and the high-alkali consumption is reduced; a multi-stage vibrating screen secondary agaropectin extraction technology is developed to increase the agaropectin extraction rate, and the residue is modified and processed to form manure or a feed additive, so that the comprehensive use rate of the red algae is greatly increased; a filter system, a novel band drying system, a full-automatic strip drying system for strip agar, a high temperature dry heat sterilization system and other novel integrated large-scale manufacturing devices are developed, so that the problems of high energy-consumption and lag in production technique in the actual production process are solved accordingly.
Description
Technical field
The present invention relates to a kind of production technique of agar, relate in particular to the high utilization rate production technique of extracting high reactivity agarose product in a kind of red algae.
Background technology
Agar, the formal name used at school agar-agar, have another name called agar, agar, agel-agal etc., but be the polyose colloid of extracting from resource in the morning red algae of ocean, extensive in sector applications such as biotechnology, medicine, food, daily use chemicals, agar can obviously change Food Quality for food, improves the class of food.Be characterized in having solidifiability, stability, can form with some materials the physicochemical property such as synthesis, can be used as thickening material, peptizer, suspension agent, emulsifying agent, preservation agent and stablizer.Agar is at chemical industry, and medical research, can make substratum, ointment base and other purposes.
At present, the producer of domestic production agar is more, general is all traditional working method, mostly adopt the traditional technology process of caustic dip → bleaching → acidifying → boil glue to process, the highly basic that need to use, strong acid and chlorion are that serious " triple " pollute, cost of sewage disposal is high, and environmental cost is high.Simultaneously individual workship's scale production, the problem such as production unit falls behind, and for example the conventional traditional hot air drying system of filter cartridge, exist power consumption large, and low, the integrated degree of throughput is low.Although the agar industry totally presents the situation that profit is considerable He supply falls short of demand, the development of China's agar processing industry but is subject to the restriction of the each side such as production technology falls behind, the environment emissions is serious, make a low multiple use.
Summary of the invention
The invention provides the high utilization rate production technique of extracting high reactivity agarose product in red algae, the technical problem that solve is to improve the high utilization rate that red algae is extracted the agarose product, the utilization ratio of residue.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: use " low alkali pressurization " method to carry out pre-treatment to frond, effectively put forward the glue rate, and can reduce high-alkali usage quantity; Exploitation multi-stage oscillating screen secondary gelatin extraction technique, put forward the glue rate, and fertilizer, fodder additives are processed in residue modification simultaneously, and the comprehensive utilization ratio that greatly improves red algae realizes by following steps:
A. red algae raw material frond is that the alkali lye of 10-100g/L soaks 0.5-4.0 hour by concentration under 80-110 ℃;
B. filter, frond is cleaned with clear water;
C. frond adds distilled water to carry for the first time glue under the pressure of 100 ℃ and 0.1-0.8MPa;
D. to adding activated carbon decolorizing and filter the mixed solution of gained, filter and obtain filtrate, frond, impurity through multi-stage oscillating screen;
E. the filtrate described in step D is passed through Plate Filtration again, and the filtrate obtained can directly be made the agarose series product, can after lyophilization, be also colloid, the treated agar that becomes one time of colloid, and residue can be made into fertilizer;
F. to add PH be that the alkali lye of 7.0-9.0 is carried glue for the second time under the pressure of 100 ℃ and 0.5-0.8MPa again to carrying for the first time the frond filtered out through multi-stage oscillating screen after glue;
G. to the mixed solution of carrying for the second time the glue gained through Plate Filtration, the filtrate obtained can directly be made the agarose series product, also can after lyophilization, become colloid, colloid becomes secondary agar after processing, residue is made fodder additives after can changing alkalescence;
H. step e, agar and secondary agar in G can be made strip and two kinds of agar of powdery;
I. after strip agar drying, make strip agar finished product;
J. after the powdered agar drying, sterilizing rear packing is made the powdered agar finished product.
As can be known by above-mentioned description to structure of the present invention, compared to the prior art, the present invention has following advantage: this project adopts integrated production equipment to realize high-valued work and comprehensive utilization, adopt low alkali pressing technology, secondary gelatin extraction technique, agar extraction yield and gel degree have significantly been improved, can, by red algae low value marine organisms, be developed to the multiple products such as fodder additives, fertilizer, agarose, strip agar finished product, powdered agar finished product; Effectively put forward the glue rate, and can reduce high-alkali usage quantity; Exploitation multi-stage oscillating screen secondary gelatin extraction technique, put forward the glue rate, and fertilizer, fodder additives are processed in residue modification simultaneously, greatly improve the comprehensive utilization ratio of red algae; Exploitation filtering system, novel band dehumidification system, strip agar adopt the Novel integrated scale production devices such as full-automatic strip dehumidification system, high temperature dry sterilization system, and specific aim solves the problem of the aspects such as the large and production technology of energy consumption in actual production is backward.
Embodiment
Below embodiments of the invention are described in further detail.
The first embodiment:
A. red algae raw material frond is that the alkali lye of 10-100g/L soaks 0.5-4.0 hour by concentration under 80-110 ℃;
B. filter, frond is cleaned with clear water, and it is 7.0-9.0 that frond is washed till PH with clear water;
C. to add consumption be the 10-40 distilled water doubly that frond is heavy to frond, carries for the first time glue under the pressure of 100 ℃ and 0.1-0.8MPa, and carrying the glue time is 1-8 hour;
D. the mixed solution of gained added activated carbon decolorizing and filter, filtering and obtain filtrate, frond, impurity through multi-stage oscillating screen, the consumption of gac is 1.0-10.0g/L;
E. the filtrate described in step D is again by Plate Filtration, and the filtrate obtained can directly be made the agarose series product, can after lyophilization, be also colloid, and colloid is through section, freezing, dewaters, and becomes agar one time after dry, pulverize processing, and residue can be made into fertilizer;
F. to add PH be that the alkali lye of 7.0-9.0 is carried glue for the second time under the pressure of 100 ℃ and 0.5-0.8MPa again to carrying for the first time the frond filtered out through multi-stage oscillating screen after glue, the consumption of alkali lye be 8-20 that frond is heavy doubly, carrying the glue time is 1-5 hour;
G. to the mixed solution of carrying for the second time the glue gained through Plate Filtration, the filtrate obtained can directly be made the agarose series product, also can after lyophilization, become colloid, colloid is through section, freezing, dehydration, drying, after pulverization process, become secondary agar, residue is made fodder additives after can changing alkalescence;
H. step e, make strip agar after agar in G and secondary agar drying.
The second embodiment:
A. red algae raw material frond is that the alkali lye of 10-100g/L soaks 0.5-4.0 hour by concentration under 80-110 ℃;
B. filter, frond is cleaned with clear water, and it is 7.0-9.0 that frond is washed till PH with clear water;
C. to add consumption be the 10-40 distilled water doubly that frond is heavy to frond, carries for the first time glue under the pressure of 100 ℃ and 0.1-0.8MPa, and carrying the glue time is 1-8 hour;
D. the mixed solution of gained added activated carbon decolorizing and filter, filtering and obtain filtrate, frond, impurity through multi-stage oscillating screen, the consumption of gac is 1.0-10.0g/L;
E. the filtrate described in step D is again by Plate Filtration, and the filtrate obtained can directly be made the agarose series product, can after lyophilization, be also colloid, and colloid is through section, freezing, dewaters, and becomes agar one time after dry, pulverize processing, and residue can be made into fertilizer;
F. to add PH be that the alkali lye of 7.0-9.0 is carried glue for the second time under the pressure of 100 ℃ and 0.5-0.8MPa again to carrying for the first time the frond filtered out through multi-stage oscillating screen after glue, the consumption of alkali lye be 8-20 that frond is heavy doubly, carrying the glue time is 1-5 hour;
G. to the mixed solution of carrying for the second time the glue gained through Plate Filtration, the filtrate obtained can directly be made the agarose series product, also can after lyophilization, become colloid, colloid is through section, freezing, dehydration, drying, after pulverization process, become secondary agar, residue is made fodder additives after can changing alkalescence;
H. step e, make strip agar after agar in G and secondary agar drying.
Claims (7)
1. in red algae, extract the high utilization rate production technique of high reactivity agarose product, it is characterized in that: comprise the following steps:
A. red algae raw material frond is that the alkali lye of 10-100g/L soaks 0.5-4.0 hour by concentration under 80-110 ℃;
B. filter, frond is cleaned with clear water;
C. frond adds distilled water to carry for the first time glue under the pressure of 100 ℃ and 0.1-0.8MPa;
D. the mixed solution of gained added activated carbon decolorizing and filters, filtering and obtain filtrate, frond, the impurity that roughing completes through multi-stage oscillating screen;
E. the filtrate that described in step D, roughing completes by Plate Filtration, obtains filtrate and residue again, and filtrate can directly be made the agarose series product, can after lyophilization, be also colloid, the treated agar that becomes one time of colloid, and residue can be made into fertilizer;
F. to add PH be that the alkali lye of 7.0-9.0 is carried glue for the second time under the pressure of 100 ℃ and 0.5-0.8MPa again to carrying for the first time the frond filtered out through multi-stage oscillating screen after glue;
G. to the mixed solution of carrying for the second time the glue gained through Plate Filtration, obtain filtrate and residue, filtrate can directly be made the agarose series product, also can after lyophilization, become colloid, colloid becomes secondary agar after processing, and residue is made fodder additives after can changing alkalescence;
H. step e, agar and secondary agar in G can be made strip and two kinds of agar of powdery;
I. after strip agar drying, make strip agar finished product;
J. after the powdered agar drying, sterilizing rear packing is made the powdered agar finished product.
2. in red algae according to claim 1, extract the high utilization rate production technique of high reactivity agarose product, it is characterized in that: in described steps A, alkali lye adopts sodium hydroxide solution or potassium hydroxide solution, and the consumption of alkali lye is 15-20 times heavy in frond.
3. in red algae according to claim 1, extract the high utilization rate production technique of high reactivity agarose product, it is characterized in that: in described step B, with clear water, to be washed till PH be 7.0-9.0 to frond.
4. in red algae according to claim 1, extract the high utilization rate production technique of high reactivity agarose product, it is characterized in that: in described step C, the consumption of distilled water is 10-40 times that frond is heavy, and carrying the glue time is 1-8 hour.
5. in red algae according to claim 1, extract the high utilization rate production technique of high reactivity agarose product.It is characterized in that: in described step D, the consumption of gac is 1.0-10.0g/L.
6. in red algae according to claim 1, extract the high utilization rate production technique of high reactivity agarose product, it is characterized in that: described step e, in G, the cooled colloid of filtrate is successively through section, freezing, dehydration, dry, pulverize and process two and make respectively agar and secondary agar.
7. in red algae according to claim 1, extract the high utilization rate production technique of high reactivity agarose product, it is characterized in that: in described step F, the consumption of alkali lye is 8-20 times that frond is heavy, and carrying the glue time is 1-5 hour.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479052A (en) * | 2015-01-09 | 2015-04-01 | 福州大学 | Method for extracting agar through low-temperature system |
| CN108424476A (en) * | 2018-03-15 | 2018-08-21 | 福建省金燕海洋生物科技股份有限公司 | A kind of technology of Gracilaria seaweed high usage extraction agar |
| CN110669153A (en) * | 2019-10-25 | 2020-01-10 | 广东海洋大学 | Method for extracting agar from gracilaria |
| CN110698572A (en) * | 2019-10-25 | 2020-01-17 | 福建天源兴达生物科技有限公司 | Running water type agar production line |
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| CN101143905A (en) * | 2006-09-15 | 2008-03-19 | 中国科学院大连化学物理研究所 | Green extraction method for gelose |
| CN102070728A (en) * | 2010-12-22 | 2011-05-25 | 福建省金燕海洋生物科技股份有限公司 | Production process for extracting agar from ahnfeltia plicata |
| CN102154738A (en) * | 2011-05-10 | 2011-08-17 | 青岛大学 | Method for preparing red algae agar fiber |
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2013
- 2013-07-25 CN CN2013103153076A patent/CN103408678A/en active Pending
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| CN1587284A (en) * | 2004-08-03 | 2005-03-02 | 杜道林 | Process for poducing agar by high temperature super low concentration alkali pressure |
| CN101143905A (en) * | 2006-09-15 | 2008-03-19 | 中国科学院大连化学物理研究所 | Green extraction method for gelose |
| CN102070728A (en) * | 2010-12-22 | 2011-05-25 | 福建省金燕海洋生物科技股份有限公司 | Production process for extracting agar from ahnfeltia plicata |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479052A (en) * | 2015-01-09 | 2015-04-01 | 福州大学 | Method for extracting agar through low-temperature system |
| CN104479052B (en) * | 2015-01-09 | 2016-09-07 | 福州大学 | A kind of low temperature system extracts the method for agar |
| CN108424476A (en) * | 2018-03-15 | 2018-08-21 | 福建省金燕海洋生物科技股份有限公司 | A kind of technology of Gracilaria seaweed high usage extraction agar |
| CN110669153A (en) * | 2019-10-25 | 2020-01-10 | 广东海洋大学 | Method for extracting agar from gracilaria |
| CN110698572A (en) * | 2019-10-25 | 2020-01-17 | 福建天源兴达生物科技有限公司 | Running water type agar production line |
| CN110698572B (en) * | 2019-10-25 | 2021-11-02 | 福建天源兴达生物科技有限公司 | Running water type agar production line |
| CN110669153B (en) * | 2019-10-25 | 2022-02-08 | 广东海洋大学 | Method for extracting agar from gracilaria |
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