CN105776471A - Method for removing calcium ions and magnesium ions from deep-processed plant product - Google Patents
Method for removing calcium ions and magnesium ions from deep-processed plant product Download PDFInfo
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- CN105776471A CN105776471A CN201610177003.1A CN201610177003A CN105776471A CN 105776471 A CN105776471 A CN 105776471A CN 201610177003 A CN201610177003 A CN 201610177003A CN 105776471 A CN105776471 A CN 105776471A
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- processed product
- deep processed
- fluoride
- plant deep
- plant
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
Abstract
The invention discloses a method for removing calcium ions and magnesium ions from a deep-processed plant product, comprising the following steps: firstly diluting the deep-processed plant product by pure water to obtain an aqueous solution of the deep-processed plant product with the mass fraction of 25-60%; weighing fluoride and slowly adding the fluoride into hot water with the temperature of 85-95 DEG C to obtain fluoride suspension or solution; slowly adding the fluoride suspension or solution into the deep-processed plant product to remove sediment and obtain the deep-processed plant product free of the calcium ions and the magnesium ions. As the calcium ions and the magnesium ions are removed from the deep-processed plant product by means of the fluoride, the method according to the invention has the advantages of a good effect of removing the calcium ions and the magnesium ions with the removal rate of 100%, lower consumption of the fluoride and low cost, and is applicable to industrialized production.
Description
Technical field
The present invention relates to the removing calcium and magnesium ion field of plant deep processed product, in particular to the method for the removing calcium and magnesium ion of a kind of plant deep processed product.
Background technology
Plant deep processed product, such as beet molasses, the papermaking wastewater containing xylose, corn cob produce xylose, bagasse produces xylose etc., all contains substantial amounts of calcium ions and magnesium ions, the existence of calcium ions and magnesium ions, and production process has a lot of adverse effect.Such as, the CaO content of beet molasses is about 0.15-0.7%, and beet molasses is in the production of glutamic acid, and calcium can affect the crystallization of glutamic acid, in the process of waste water, can make fouling of evaporator, the efficiency of impact evaporation.Therefore, in the industrial production, plant deep processed product removing calcium and magnesium ion, the course of processing is extremely important.
The method of conventional plant deep processed product removing calcium and magnesium ion has:
1) ion exchange: material passes through positive resin, and calcium ions and magnesium ions, by sodium ion exchange, after resin is saturated, regenerates with sodium chloride solution.But this method is for the decalcification magnesium of plant extract, has a lot of defect.The general calcium-magnesium content of plant extract is significantly high, and softening resin is quickly saturated, it is necessary to regenerates frequently, can produce a lot of waste water, and particularly a lot of material pigment contents are significantly high, and such as beet molasses, papermaking wastewater etc. containing xylose, these coloured waste water is difficult to process.
2) chemical method, such as, Method of Soda conventional in beet molasses softens, after adding soda, by the pH value of beet molasses from neutrality, alkalescence can be become, and beet molasses is used for fermenting, it is typically all in acid condition, therefore, it is also desirable to acid adding, pH value is transferred to acidity, in this process, namely add cost, easily produce again some side reactions.
Therefore, from the foregoing, it will be observed that above two method is not all best industrialized production scheme, it is applicable to plant deep processing in the urgent need to one and produces, and the method for calcium ions and magnesium ions in economic and practical removal plant deep processed product.
Summary of the invention
The method that it is an object of the invention to provide the removing calcium and magnesium ion of a kind of plant deep processed product, the method utilizes fluoride to remove calcium ions and magnesium ions in plant deep processed product, and the method is not only economical, but also simple, meets industrialization production requirements.
For achieving the above object, the method for the removing calcium and magnesium ion of a kind of plant deep processed product provided by the invention, comprise the following steps:
1) plant deep processed product pure water is diluted, obtain the plant deep processed product aqueous solution that mass fraction is 10～60%；
2) weigh fluoride and fluoride be slowly added in the hot water that temperature is 50～90 DEG C, dissolving stirring while adding, obtain fluoride suspension or solution,
3) by step 1) in whole plant deep processed product aqueous solutions be heated to 40～90 DEG C from room temperature, in plant deep processed product, be slowly added to step 2 again) in whole fluoride suspensions or solution, stirring while adding, stir insulation 1～3h；Obtain the settlement of calcium fluoride, Afluon (Asta), then use and filter or centrifugation, disgorging, namely obtain not containing the plant deep processed product of calcium ions and magnesium ions.
Further, described step 1) in, plant deep processed product is beet molasses, the wood pulp papermaking waste liquid containing xylose, the bagasse papermaking wastewater containing xylose, molasses yeast waste liquor, molasses alcohol waste liquid.
Yet further, described step 2) in, fluoride be in sodium fluoride, potassium fluoride, ammonium fluoride any one.
Yet further, described step 2) in, the weight ratio of fluoride and plant deep processed product dry weight is 0.5～5: 100.
Yet further, described step 2) in, the weight ratio of sodium fluoride and plant deep processed product dry weight is 0.5～1.6: 100.
Yet further, described step 2) in, the weight ratio of sodium fluoride and hot water is 1: 4～7, and the temperature of described hot water is 60～90 DEG C.
Yet further, described step 3) in, the speed of plant deep processed product aqueous solution heating is 3～5 DEG C/s.
Yet further, described step 3) in, plant deep processed product aqueous temperature is 40～90 DEG C.
The beneficial effects of the present invention is:
1) present invention adopts fluoride to remove the effective of calcium ions and magnesium ions in plant deep processed product, and clearance can reach 100%, and fluoride consumption is few, and cost is low, is suitable for industrialized production.
2) present invention adopts fluoride to make calcium ions and magnesium ions fully precipitate, obtain not containing the plant deep processed product of calcium ions and magnesium ions, which solve plant deep processed product problem of removing calcium and magnesium in deep-processing process, overcome the defect using ion exchange, interpolation sodium carbonate and sodium sulfite cost high, economically there is feasibility.
Detailed description of the invention
In order to explain the present invention better, it is further elucidated with the main contents of the present invention below in conjunction with specific embodiment, but present disclosure is not limited solely to following example.
Embodiment 1
1) weighing the beet molasses of 1 kilogram, its mass fraction is 81%, and adopting calcium and magnesium ion total content in EDTA method detection cane molasses is 5500ppm, adds pure water dilution and obtains the beet molasses aqueous solution that mass fraction is 60%；
2) by 12.5 grams of sodium fluoride, it is slowly added in 100 grams of pure water, stirring while adding, it is heated to 90 DEG C, namely obtains sodium fluoride suspension；
3) by step 1) in whole beet molasses aqueous solutions be heated to 90 DEG C from room temperature by 3 DEG C/s of speed, then in beet molasses aqueous solution, be slowly added to step 2) in whole sodium fluoride suspension, stirring while adding, stirring insulation 2h；Use flame filter press filters, and filtrate is the beet molasses 1 not containing calcium ions and magnesium ions.
Detecting through said method, in beet molasses 1, calcium, magnesium ion total content are 0ppm.
Embodiment 2
1) weighing the papermaking wastewater containing xylose of 1 kilogram, its mass fraction is 25%, and adopting calcium and magnesium ion total content in EDTA method detection papermaking wastewater is 1100ppm,；
2) by 10 grams of sodium fluoride, it is slowly added in 100 grams of pure water, stirring while adding, it is heated to 90 DEG C, namely obtains sodium fluoride suspension；
3) by step 1) in whole papermaking wastewater aqueous solutions be heated to 90 DEG C from room temperature by 3 DEG C/s of speed, then in papermaking wastewater aqueous solution, be slowly added to step 2) in whole sodium fluoride suspension, stirring while adding, stirring insulation 2h；Use vacuum-type drum filter filters, and filtrate is the papermaking wastewater 2 not containing calcium ions and magnesium ions.
Detecting through said method, in papermaking wastewater 2, calcium, magnesium ion total content are 0ppm.
Embodiment 3
1) weighing the beet molasses of 1 kilogram, its mass fraction is 82%, and adopting calcium and magnesium ion total content in EDTA method detection cane molasses is 4800ppm, adds pure water dilution and obtains the beet molasses aqueous solution that mass fraction is 60%；
2) by 18 grams of sodium fluoride, it is slowly added in 50 grams of pure water, stirring while adding, it is heated to 88 DEG C, namely obtains sodium fluoride suspension；
3) by step 1) in whole beet molasses aqueous solutions be heated to 90 DEG C from room temperature by 5 DEG C/s of speed, then in beet molasses aqueous solution, be slowly added to step 2) in whole sodium fluoride suspension, stirring while adding, stirring insulation 2h；Use flame filter press filters, and filtrate is the beet molasses 3 not containing calcium ions and magnesium ions.
Detecting through said method, in beet molasses 3, calcium, magnesium ion total content are 0ppm.
Other unspecified part is prior art.Although the present invention is made that detailed description by above-described embodiment; but its a part of embodiment that is only the present invention; rather than whole embodiments, people can also obtain other embodiments according to the present embodiment under without creative premise, and these embodiments broadly fall into scope.
Claims (8)
1. the method for the removing calcium and magnesium ion of a kind of plant deep processed product, it is characterised in that: comprise the following steps:
1) plant deep processed product pure water is diluted, obtain the plant deep processed product aqueous solution that mass fraction is 10～60%；
2) weigh fluoride and fluoride be slowly added in the hot water that temperature is 50～90 DEG C, dissolving stirring while adding, obtain fluoride suspension or solution,
3) by step 1) in whole plant deep processed product aqueous solutions be heated to 40～90 DEG C from room temperature, in plant deep processed product, be slowly added to step 2 again) in whole fluoride suspensions or solution, stirring while adding, stir insulation 1～3h；Obtain the settlement of calcium fluoride, Afluon (Asta), then use and filter or centrifugation, disgorging, namely obtain not containing the plant deep processed product of calcium ions and magnesium ions.
2. the method for the removing calcium and magnesium ion of plant deep processed product according to claim 1, it is characterized in that: described step 1) in, plant deep processed product is beet molasses, the papermaking wastewater containing xylose, the bagasse papermaking wastewater containing xylose, molasses yeast waste liquor, molasses alcohol waste liquid.
3. the method for the removing calcium and magnesium ion of plant deep processed product according to claim 1 or claim 2, it is characterised in that: described step 2) in, fluoride be in sodium fluoride, potassium fluoride, ammonium fluoride any one.
4. the method for the removing calcium and magnesium ion of plant deep processed product according to claim 3, it is characterised in that: described step 2) in, the weight ratio of fluoride and plant deep processed product dry weight is 0.5～5: 100.
5. the method for the removing calcium and magnesium ion of plant deep processed product according to claim 4, it is characterised in that: described step 2) in, the weight ratio of sodium fluoride and plant deep processed product dry weight is 0.5～1.6: 100.
6. the method for the removing calcium and magnesium ion of plant deep processed product according to any one in claim 3～4, it is characterised in that: described step 2) in, the weight ratio of sodium fluoride and hot water is 1: 4～7, and the temperature of described hot water is 90 DEG C.
7. the method for the removing calcium and magnesium ion of plant deep processed product according to claim 1 or claim 2, it is characterised in that: described step 3) in, the speed of plant deep processed product aqueous solution heating is 3～5 DEG C/s.
8. the method for the removing calcium and magnesium ion of plant deep processed product according to claim 7, it is characterised in that: described step 3) in, plant deep processed product aqueous temperature is 90 DEG C.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177003.1A CN105776471A (en) | 2016-03-25 | 2016-03-25 | Method for removing calcium ions and magnesium ions from deep-processed plant product |
| PCT/CN2017/076144 WO2017162037A1 (en) | 2016-03-25 | 2017-03-09 | Method for removing calcium and magnesium ions from sugar cane molasses |
| PCT/CN2017/076151 WO2017162038A1 (en) | 2016-03-25 | 2017-03-09 | Method for removing calcium and magnesium ions from deep-processed plant product |
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| CN201610177003.1A CN105776471A (en) | 2016-03-25 | 2016-03-25 | Method for removing calcium ions and magnesium ions from deep-processed plant product |
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| CN105776471A true CN105776471A (en) | 2016-07-20 |
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| CN201610177003.1A Pending CN105776471A (en) | 2016-03-25 | 2016-03-25 | Method for removing calcium ions and magnesium ions from deep-processed plant product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017162038A1 (en) * | 2016-03-25 | 2017-09-28 | 邹传军 | Method for removing calcium and magnesium ions from deep-processed plant product |
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| WO1999050187A1 (en) * | 1998-03-27 | 1999-10-07 | Barrick Gold Corporation | Removal of boron and fluoride from water |
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| CN103214154A (en) * | 2013-05-19 | 2013-07-24 | 波鹰(厦门)科技有限公司 | Regenerative cycle and utilization device for papermaking deep-treatment wastewater |
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2016
- 2016-03-25 CN CN201610177003.1A patent/CN105776471A/en active Pending
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| CN103214154A (en) * | 2013-05-19 | 2013-07-24 | 波鹰(厦门)科技有限公司 | Regenerative cycle and utilization device for papermaking deep-treatment wastewater |
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| WO2017162038A1 (en) * | 2016-03-25 | 2017-09-28 | 邹传军 | Method for removing calcium and magnesium ions from deep-processed plant product |
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Application publication date: 20160720 |