CN101904530A - Method for reducing content of heavy metal lead in nitrariatangutorum juice raw material by ion exchange method - Google Patents
Method for reducing content of heavy metal lead in nitrariatangutorum juice raw material by ion exchange method Download PDFInfo
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- CN101904530A CN101904530A CN201010110010.2A CN201010110010A CN101904530A CN 101904530 A CN101904530 A CN 101904530A CN 201010110010 A CN201010110010 A CN 201010110010A CN 101904530 A CN101904530 A CN 101904530A
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Abstract
The invention relates to a technology of lead removal treatment, in particular to a method for reducing the content of heavy metal lead in a nitrariatangutorum juice raw material by an ion exchange method. The method comprises the following steps: (1) filtering nitrariatangutorum raw juice; (2) removing lead by absorption; and (3) carrying out high-temperature sterilization to obtain the nitrariatangutorum juice finished product, wherein the adsorbent is chelate resin, i.e. strongly acidic styrene type cation exchange resin; the matrix is styrene-divinylbenzene copolymer; the functional group is sulfo group, and the ratio of the styrene-divinylbenzene to the sulfo group is 1 to 1. The method utilizes the ion exchange technology, and adopts the adsorbent suitable for reducing the content of the heavy metal lead in the nitrariatangutorum juice to reduce the content of heavy metal lead in the nitrariatangutorum juice raw material, and the mass transfer process is intensified in the technical process, so the exchange rate and the regeneration rate of the exchange resin can be improved, and the lead content in the nitrariatangutorum raw juice can be effectively reduced.
Description
Technical field
The present invention relates to a kind of deleading treatment technology, specifically relate to the method for content of heavy metal lead in a kind of ion-exchange subduction nitraria sibirica pall juice raw material.
Background technology
At present, the deleading of leaded fruit juice is handled technology such as general employing alcohol year, material resources deleading, but these technology are undesirable for the subduction effect of lead metal content in the fruit juice.In the ion-exchange subduction fruit juice method of content of heavy metal lead formerly number of patent application be 200710050726.6 on the books, but the method particularly wherein adsorbent can not directly apply to the subduction of heavy lead content in the nitraria sibirica pall juice.
Summary of the invention
The purpose of this invention is to provide the method that a kind of ion-exchange that can be applicable to content of heavy metal lead in the nitraria sibirica pall juice raw material reduces content of heavy metal lead in the nitraria sibirica pall juice raw material.
The method of content of heavy metal lead is achieved by following technical proposals in a kind of ion-exchange subduction of the present invention nitraria sibirica pall juice raw material: the method for content of heavy metal lead comprises the steps: in a kind of ion-exchange subduction of the present invention nitraria sibirica pall juice raw material
(1) stings the Normal juice filtration step in vain: be to sting original fruit juice in vain through precipitating, filter process with puree and fruit juice separating; (2) absorption deleading step: be meant in white thorn original fruit juice input after filtering process by ion-exchange absorption heavy metal lead is housed in the reactor of adsorbent, the adsorbent input amount is an adsorbent: white bur Normal juice=1: 5, adsorption time 1 hour, adsorption temp are 20～25 ℃; (3) high-temperature sterilization step: be meant that white bur Normal juice behind deleading is through the process of high-temperature short-time sterilization, the high-temperature sterilization time is 3～5 seconds, sterilising temp is 125～130 ℃, De Baici juice finished product, described adsorbent is a chelating resin, be strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
The method of content of heavy metal lead has following beneficial effect compared with prior art in a kind of ion-exchange subduction of the present invention nitraria sibirica pall juice raw material: the present invention utilizes ion exchange technique, adopt content of heavy metal lead in the adsorbent subduction nitraria sibirica pall juice raw material that is applicable to nitraria sibirica pall juice subduction content of heavy metal lead of the present invention, mass transport process is strengthened in technological process, improve the regeneration rate of exchange rate and exchanger resin, effectively reduce lead content in the white bur Normal juice.The method of content of heavy metal lead can make lead content＜0.35mg/L in the product in the ion-exchange subduction nitraria sibirica pall juice raw material of the present invention, and keeps main component anthocyanin in the white bur Normal juice, and its loss late＜3% has strengthened the white thorn competitiveness of product in market.Process of the present invention is reliable, suitable, and keeps white thorn Normal juice nutrient content unchanged, and taste is salubrious, soft mouth feel; Adsorbent can use after wash-out regeneration repeatedly.The method of content of heavy metal lead can effectively improve the quality of nitraria sibirica pall juice finished product in a kind of ion-exchange subduction of the present invention nitraria sibirica pall juice raw material, improve the competitiveness of product in market, make the abundant white thorn resource in Qinghai-Tibet Platean obtain fully effectively utilizing and foreign exchange earning smoothly, bring into play due economical, societal benefits.The method of content of heavy metal lead is applicable to the subduction of content of heavy metal lead in the nitraria sibirica pall juice raw material in the ion-exchange subduction nitraria sibirica pall juice raw material of the present invention.
Content such as following table before and after this method is removed heavy metal lead in the nitraria sibirica pall juice:
Adsorbent uses chelating resin, its feature such as following table:
| The trade mark | Water content % | Mass exchange capacity mmol/gd | Wet true density g/ml | Wet apparent density g/ml | Ooze mill rate of small round spheres % | Purposes |
| C800 | 48～55％ | (2.1 volume) | 1.15～1.25 | 0.72～0.82 | 90 | Heavy metal extracts, secondary brine rectification |
Description of drawings
Fig. 1 is the method process chart of content of heavy metal lead in a kind of ion-exchange subduction of the present invention nitraria sibirica pall juice raw material.
The specific embodiment
Be further described below in conjunction with the method and technology scheme of drawings and Examples content of heavy metal lead in a kind of ion-exchange subduction of the present invention nitraria sibirica pall juice raw material.
As shown in Figure 1, the method for content of heavy metal lead comprises the steps: in a kind of ion-exchange subduction of the present invention nitraria sibirica pall juice raw material
(1) stings the Normal juice filtration step in vain: be to sting original fruit juice in vain through precipitating, filter process with puree and fruit juice separating; (2) absorption deleading step: be meant in white thorn original fruit juice input after filtering process by ion-exchange absorption heavy metal lead is housed in the reactor of adsorbent, the adsorbent input amount is an adsorbent: white bur Normal juice=1: 5, adsorption time 1 hour, adsorption temp are 20～25 ℃; (3) high-temperature sterilization step: be meant that white bur Normal juice behind deleading is through the process of high-temperature short-time sterilization, the high-temperature sterilization time is 3～5 seconds, sterilising temp is 125～130 ℃, De Baici juice finished product, it is characterized in that: described adsorbent is a chelating resin, be strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
Embodiment 1.
The method of content of heavy metal lead comprises the steps: that (1) sting the Normal juice filtration step in vain in a kind of ion-exchange of the present embodiment subduction nitraria sibirica pall juice raw material: be will sting in vain original fruit juice through precipitation, filter process with puree and fruit juice separating; (2) absorption deleading step: be meant in white thorn original fruit juice input after filtering process by ion-exchange absorption heavy metal lead is housed in the reactor of adsorbent, the adsorbent input amount is an adsorbent: white bur Normal juice=1: 5, adsorption time 1 hour, adsorption temp are 20 ℃; (3) high-temperature sterilization step: be meant white bur Normal juice behind deleading through the process of high-temperature short-time sterilization, the high-temperature sterilization time is 3 seconds, and sterilising temp is 125 ℃, and De Baici juice finished product is characterized in that:
Described adsorbent is a chelating resin, i.e. strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
Be provided with the adsorbent elution step after the described absorption deleading step, refer to that the solid filtering behind the adsorbents adsorb heavy metal lead enters the interior process that drops into eluant, eluent through the wash-out adsorbent reactivation of exchange column, the eluant, eluent aqueous solution: adsorbent=80: 1, elution time are 2 hours, and eluting temperature is 20 ℃.
Described adsorbent is a chelating resin, i.e. strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
Described eluant, eluent is the NaCl aqueous solution of 3～4mol/L.
Embodiment 2.
The method of content of heavy metal lead comprises the steps: that (1) sting the Normal juice filtration step in vain in a kind of ion-exchange of the present embodiment subduction nitraria sibirica pall juice raw material: be will sting in vain original fruit juice through precipitation, filter process with puree and fruit juice separating; (2) absorption deleading step: be meant in white thorn original fruit juice input after filtering process by ion-exchange absorption heavy metal lead is housed in the reactor of adsorbent, the adsorbent input amount is an adsorbent: white bur Normal juice=1: 5, adsorption time 1 hour, adsorption temp are 23 ℃; (3) high-temperature sterilization step: be meant white bur Normal juice behind deleading through the process of high-temperature short-time sterilization, the high-temperature sterilization time is 4 seconds, and sterilising temp is 128 ℃, and De Baici juice finished product is characterized in that:
Described adsorbent is a chelating resin, i.e. strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
Be provided with the adsorbent elution step after the described absorption deleading step, refer to that the solid filtering behind the adsorbents adsorb heavy metal lead enters the interior process that drops into eluant, eluent through the wash-out adsorbent reactivation of exchange column, the eluant, eluent aqueous solution: adsorbent=80: 1, elution time are 2 hours, and eluting temperature is 23 ℃.
Described adsorbent is a chelating resin, i.e. strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
Described eluant, eluent is the NaCl aqueous solution of 3～4mol/L.
Embodiment 3.
The method of content of heavy metal lead comprises the steps: that (1) sting the Normal juice filtration step in vain in a kind of ion-exchange of the present embodiment subduction nitraria sibirica pall juice raw material: be will sting in vain original fruit juice through precipitation, filter process with puree and fruit juice separating; (2) absorption deleading step: be meant in white thorn original fruit juice input after filtering process by ion-exchange absorption heavy metal lead is housed in the reactor of adsorbent, the adsorbent input amount is an adsorbent: white bur Normal juice=1: 5, adsorption time 1 hour, adsorption temp are 25 ℃; (3) high-temperature sterilization step: be meant white bur Normal juice behind deleading through the process of high-temperature short-time sterilization, the high-temperature sterilization time is 5 seconds, and sterilising temp is 130 ℃, and De Baici juice finished product is characterized in that:
Described adsorbent is a chelating resin, i.e. strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
Be provided with the adsorbent elution step after the described absorption deleading step, refer to that the solid filtering behind the adsorbents adsorb heavy metal lead enters the interior process that drops into eluant, eluent through the wash-out adsorbent reactivation of exchange column, the eluant, eluent aqueous solution: adsorbent=80: 1, elution time are 2 hours, and eluting temperature is 25 ℃.
Described adsorbent is a chelating resin, i.e. strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
Described eluant, eluent is the NaCl aqueous solution of 3～4mol/L.
Claims (1)
1. the method for content of heavy metal lead comprises the steps: that (1) sting the Normal juice filtration step in vain in the ion-exchange subduction nitraria sibirica pall juice raw material: be will sting in vain original fruit juice through precipitation, filter process with puree and fruit juice separating; (2) absorption deleading step: be meant in white thorn original fruit juice input after filtering process by ion-exchange absorption heavy metal lead is housed in the reactor of adsorbent, the adsorbent input amount is an adsorbent: white bur Normal juice=1: 5, adsorption time 1 hour, adsorption temp are 20～25 ℃; (3) high-temperature sterilization step: be meant white bur Normal juice behind deleading through the process of high-temperature short-time sterilization, the high-temperature sterilization time is 3～5 seconds, and sterilising temp is 125～130 ℃, and De Baici juice finished product is characterized in that:
Described adsorbent is a chelating resin, i.e. strongly acidic styrene type cation exchange resin, matrix: styrene-divinylbenzene copolymer; Functional group: sulfonic group; Styrene-divinylbenzene copolymer: sulfonic group=1: 1.
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| CN201010110010.2A CN101904530A (en) | 2010-02-11 | 2010-02-11 | Method for reducing content of heavy metal lead in nitrariatangutorum juice raw material by ion exchange method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181604A (en) * | 2011-12-28 | 2013-07-03 | 奥加诺株式会社 | Adjustment method for liquid food or beverage |
| CN104286606A (en) * | 2014-03-22 | 2015-01-21 | 云南万绿生物股份有限公司 | Method for removing lead from aloe |
| CN104357282A (en) * | 2014-11-21 | 2015-02-18 | 西宁意格知识产权咨询服务有限公司 | Preparation method of fermented health liquor with cordyceps sinensis and nitrariatangutorum |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176565A (en) * | 2007-12-05 | 2008-05-14 | 青海康普生物科技股份有限公司 | Method for reducing heavy metal plumbi content in sha ji fruit juice raw material by ion exchange process |
-
2010
- 2010-02-11 CN CN201010110010.2A patent/CN101904530A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176565A (en) * | 2007-12-05 | 2008-05-14 | 青海康普生物科技股份有限公司 | Method for reducing heavy metal plumbi content in sha ji fruit juice raw material by ion exchange process |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181604A (en) * | 2011-12-28 | 2013-07-03 | 奥加诺株式会社 | Adjustment method for liquid food or beverage |
| CN103181604B (en) * | 2011-12-28 | 2016-08-03 | 奥加诺株式会社 | Liquid food or the method for adjustment of beverage |
| CN104286606A (en) * | 2014-03-22 | 2015-01-21 | 云南万绿生物股份有限公司 | Method for removing lead from aloe |
| CN104357282A (en) * | 2014-11-21 | 2015-02-18 | 西宁意格知识产权咨询服务有限公司 | Preparation method of fermented health liquor with cordyceps sinensis and nitrariatangutorum |
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Application publication date: 20101208 |