CN101774707A - Recovery processing method of protein waste water - Google Patents
Recovery processing method of protein waste water Download PDFInfo
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- CN101774707A CN101774707A CN200910045262A CN200910045262A CN101774707A CN 101774707 A CN101774707 A CN 101774707A CN 200910045262 A CN200910045262 A CN 200910045262A CN 200910045262 A CN200910045262 A CN 200910045262A CN 101774707 A CN101774707 A CN 101774707A
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Abstract
The invention discloses a recovery processing method of protein waste water, belonging to the field of food waste water processing. The processing method is as follows: after early-day preprocessing, protein waste water passes through an ultrafiltration system; after passing through a filtration membrane with different cut-off molecular weight ranges, separated and purified protein is obtained by recovering from concentrated cut-off liquid; ultrafiltration permeate passes through a nanofiltered system or a reverse osmosis system; on one hand, other micromolecule useful substance can be further recovered from the concentrated cut-off liquid, on the other hand, permeate can be directly discharged or serves as process water to be recovered; or preprocessing protein waste water is directly processed by a nanofiltered membrane or a reverse osmosis membrane, and useful substance is recovered. The invention realizes the recycling recovery processing of protein waste water, solves the problems of high treatment cost and environment pollution due to hard processing of protein waste water and has wide adaptability, simple technology, easy operation and low operation cost.
Description
Technical field:
The present invention relates to a kind of method of wastewater treatment, refer more particularly to the recovery and treatment method of a kind of protein waste water that adopts the membrane technique recycling.
Background technology:
Protein waste water is as one of by product of food-processing industrys such as milk, soybean, it is handled always is a relatively stubborn problem, its major cause just is often to include abundant nutritive element in the middle of this type of waste water, such as soluble protein, sugar, VITAMIN etc., the existence of these nutritive elements has caused protein waste water to have the feature of high pollution and highly difficult processing; The processing mode of some current protein waste waters as biochemical treatment, mainly is to be conceived to the differentiation aftertreatment of degrading of nutrient substances such as the protein in the waste water, sugar, so that waste water can obtain discharging; Adopt current processing mode, not only higher because of each the nutrient substance amount in the waste water, and make processing cost high, the treatment effect instability; And meanwhile, these nutritive elements are again some good nutrition and foodstuff additive, have high utility value, they are not recycled, and just remove, and have just wasted the nutritive substance of a large amount of preciousnesses in vain.
Therefore the present invention is exactly under the prerequisite that the recycling of considering environment protection and resource combines; after utilizing the main nutrient matter in the membrane technique recycling protein waste water; not only can alleviate the burden of enterprise in wastewater treatment, and can increase benefit for enterprise expands product.
Summary of the invention:
In order to solve the recycling problem of protein waste water in the prior art, the invention provides a kind of recovery and treatment method of protein waste water, compare with traditional biochemical processing method, the core of present method is to utilize membrane separation technique to reclaim the valuable resource in the waste water, and the material that pollutes is become useful material; But not the material in the waste water is degraded differentiation to reduce its hazardness.
The objective of the invention is to be achieved through the following technical solutions:
A kind of recovery and treatment method of protein waste water, its step is as follows:
(1), after the pre-treatment of protein waste water through early stage, as transfer Ph, centrifugal, filter pre-treatment such as clarification, obtain meeting the protein waste water of subsequent disposal requirement; Method that this step adopts and technology are conventional and are applied already, and can adopt different treatment measures according to the different protein waste water in source; Can continue to pass through the processing of step (3) again through the pretreated protein waste water of step (1) by after step (2) processing; Also can be directly via the processing of step (3).
(2), the pretreated protein waste water of process step (1), enter ultrafiltration system, after membrane filtration with PSPP scope, from spissated trapped fluid, can reclaim the protein that obtains separating purification, ultrafiltration sees through the liquid processing by following step (3) once more, working pressure 0.5～0.9MPa in the ultrafiltration system, 10～45 ℃ of temperature, pH value 2～11, the middle pure water that adds, membrane material is one or more compound in polyethersulfone, polymeric amide, the polysulfones, and structure is rolling or tubular type.
(3), see through liquid through the pretreated protein waste water of step (1) or through the ultrafiltration that step (2) obtains, after entering nanofiltration system or reverse osmosis system, further be recovered to other micromolecular useful matteies from spissated trapped fluid, nanofiltration or reverse osmosis can directly be discharged through liquid or be carried out reuse as process water; Working pressure 0.9～2.0MPa in nanofiltration or the reverse osmosis system, 10～45 ℃ of temperature, pH value 2～11, middle adding pure water, membrane material are one or more compound in polyethersulfone, polymeric amide, the polysulfones, structure is rolling or tubular type.
Described step (1), pretreated effect mainly are to remove the material that some impact the membrane filtration process, the material of separating out during the course easily as the macrobead thing that stops up the film road, can separating in advance of other etc.
Described step (2), adopting ultrafiltration system is in order to remove the protein of some small-molecule substances to obtain purifying in the deproteinize, or in order to obtain the separation and purification protein in certain molecular weight ranges; Ultrafiltration obtains holds back concentrated protein solution and can further adopt spraying, desiccating method such as freezing to make protein powder.
Described step (3) adopts nanofiltration or reverse osmosis system, both can directly handle the mixture that waste water obtains protein and other small-molecule substances, also can handle except that the ultrafiltration behind the deproteinize and see through liquid to obtain small-molecule substance; Nanofiltration or reverse osmosis system obtain holds back concentrated solution and can further adopt spraying, desiccating method such as freezing to make product.
Owing to adopted above technical scheme, the present invention has realized the resource utilization recycling of protein waste water, and to be difficult to handle the treatment cost that causes too high and to the pollution problem of environment because of it to have solved protein waste water; The present invention has advantages such as wide adaptability, technology are easy, easy to operate, running cost.
Description of drawings:
Fig. 1 is a process flow sheet of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and utilize embodiment the present invention is described in further detail:
Embodiment 1: the ultrafiltration nanofiltration combined recovery of milk whey is handled
Milk whey is a kind of animal protein waste water, is byproduct very important in the cheese production industry.Generally speaking, the milk of processing 100kg will obtain the whey of cheese and the 90kg of 10kg.The whey that produces with the fresh milk casein food grade in the present embodiment is a raw material.At first use the rolling poly (ether-sulfone) ultrafiltration membrane and carry out protein recovery, the ultrafiltration condition: pressure 0.5MPa, 35 ℃ of temperature, pH4.1 adds the water yield of 15% raw material volume after concentrating 9 times at twice altogether.After ultrafiltration finishes, the whey raw material is concentrated about 9 times, the whey protein rate of recovery is 87%, protein content of whey rises to 4.87% by initial 0.62%, lactose-content is reduced to 0.37% by initial 5.85%, muriate is reduced to 0.19% by initial 0.73%, and ash content is reduced to 0.25% by initial 0.86%; With protein content in the protein powder that obtains after this proteins concentrate liquid spraying drying is 72.40%, and lactose-content is 6.70%, and chloride content is 2.93%, and ash content is 3.4%, satisfies the product index that enterprise formulates.
The liquid that sees through that ultrafiltration is obtained carries out small-molecule substance with the rolling composite nanometer filtering film and reclaims, and wherein mainly is the recovery of lactose, the nanofiltration operational condition: pressure 1.2MPa, and 35 ℃ of temperature, pH4.3 adds the water yield of 20% raw material volume after concentrated 4 times at twice altogether.After nanofiltration finishes, ultrafiltration is seen through liquid concentrate about 4 times, the lactose rate of recovery is more than 90%, and lactose-content rises to 18.5% by initial 4.78%, and muriate is reduced to 0.09% by initial 0.68%, and ash content is reduced to 0.45% by initial 0.66%; With lactose-content in the lactose powder that obtains after this concentrated solution spraying drying is 83.69%, and chloride content is 1.69%, and ash content is 5.45%, satisfies the product index that enterprise formulates.
Nanofiltration is seen through liquid detect, its turbidity obviously reduces than whey, water white transparency, and the clearance of CODcr, BOD5 reaches 96.62%, 98.67% respectively.
Embodiment 2: the nanofiltration recycling of milk whey
Milk whey is handled with nanofiltration system, and whey has concentrated more than 3 times, will detect through liquid, wherein do not have protein and measure, lactose-content is 0.01%, and its turbidity obviously reduces than whey, water white transparency, the clearance of CODcr, BOD5 reaches 97.62%, 99.17% respectively.
Embodiment 3: the recycling of soybean whey
Soybean whey is to produce in the soybean protein isolate production process, and 1 ton of soybean protein isolate of industrial production approximately will produce 60 tons whey.Soybean whey is carried out alkali with Ca (OH) 2 sink, obtain supernatant liquor, then supernatant liquor is handled by membrane filtration.Select for use ultrafiltration as first step membrane filtration, reclaim albumen; Nanofiltration is a second stage membrane filtration, reclaims oligose; Reverse osmosis is a third stage membrane filtration, and amino acid, inorganic salt are held back, and water outlet can be used as process water and carries out reuse.In ultra-filtration process, after treatment, the COD value under the 14360mg.l-1 of whey stoste below 10mg.l-1, reach or near pure water and reuse to operation.
Because the present invention has adopted the membrane filtration technology of different molecular weight, protein waste water recycling technology therefore of the present invention all can be suitable in foodstuffs industry and other field, and all do not break away from technical scheme, embodiment or its improvement of spirit and scope of the invention, all should be encompassed in the claim scope of the present invention.
Claims (4)
1. the recovery and treatment method of a protein waste water, it is characterized in that adopting film filtering system to handle protein waste water, to obtain protein, other small-molecule substances and the reuse technology water in the waste water, realize the recycling treatment of protein waste water, its step is as follows:
(1), after the pre-treatment of protein waste water through early stage, as transfer Ph, centrifugal, filter pre-treatment such as clarification, obtain meeting the protein waste water of subsequent disposal requirement; Method that this step adopts and technology are conventional and are applied already, and can adopt different treatment measures according to the different protein waste water in source; After can continuing to handle through step (1) pretreated protein waste water, pass through the processing of step (3) again by step (2), also can be directly via the processing of step (3).
(2), through step (1) pretreated protein waste water, enter ultrafiltration system, after membrane filtration, from spissated trapped fluid, can reclaim the protein that obtains separating purification with PSPP scope; Ultrafiltration sees through the liquid processing by following step (3) once more; Working pressure 0.5～0.9MPa in the ultrafiltration system, 10～45 ℃ of temperature, pH value 2～11, middle adding pure water, membrane material are one or more compound in polyethersulfone, polymeric amide, the polysulfones, structure is rolling or tubular type.
(3), see through liquid through the pretreated protein waste water of step (1) or through the ultrafiltration that step (2) obtains, after entering nanofiltration system or reverse osmosis system, further be recovered to other micromolecular useful matteies from spissated trapped fluid, nanofiltration or reverse osmosis can directly be discharged through liquid or be carried out reuse as process water.Working pressure 0.9～2.0MPa in nanofiltration or the reverse osmosis system, 10～45 ℃ of temperature, pH value 2～11, middle adding pure water, membrane material are one or more compound in polyethersulfone, polymeric amide, the polysulfones, structure is rolling or tubular type.
2. the recovery and treatment method of a kind of protein waste water according to claim 1 is characterized in that: in the step (2), protein waste water obtains separating via the film of PSPP scope in ultrafiltration system and purifies.
3. the recovery and treatment method of a kind of protein waste water according to claim 1, it is characterized in that: in the step (3), the feed liquid that enters system both can be the pretreated protein waste water through step (1), also can be to see through liquid through the ultrafiltration that step (2) obtains.
4. the recovery and treatment method of a kind of protein waste water according to claim 1 is characterized in that: in step (2) and (3), need the pure water of adding certain volume amount to carry out dialysis in the membrane filtration process.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973675A (en) * | 2010-10-21 | 2011-02-16 | 徐文中 | Method for extracting protein from fish meal processing wastewater and making wastewater up to discharge standard |
| CN102849865A (en) * | 2012-09-19 | 2013-01-02 | 宋志娟 | Method for cyclic utilization of soybean product processing waste water and energy-saving apparatus |
| CN103058345A (en) * | 2012-12-07 | 2013-04-24 | 常州大学 | Method for accelerating degradation of protein in pharmaceutical wastewater |
| CN104193067A (en) * | 2014-09-19 | 2014-12-10 | 赵玉平 | Method and device for treating heparin sodium casing producing wastewater |
| CN105271576A (en) * | 2015-11-10 | 2016-01-27 | 中国科学院海洋研究所 | Wastewater treatment method in agar production |
| CN106277399A (en) * | 2016-08-30 | 2017-01-04 | 义马煤业集团煤生化高科技工程有限公司 | A kind of processing method of Methanol Protein comprehensive wastewater |
| CN106830197A (en) * | 2017-02-28 | 2017-06-13 | 成都美富特膜科技有限公司 | The method and apparatus that treatment liquaemin produces waste water |
| CN107698051A (en) * | 2017-10-13 | 2018-02-16 | 德清明德水处理科技有限公司 | The method that sausage casing heparin produces utilization of wastewater resource |
| CN108275791A (en) * | 2018-01-09 | 2018-07-13 | 惠州市合新科技有限公司 | A kind of milk product waste recovery method |
| CN108342438A (en) * | 2017-01-23 | 2018-07-31 | 临沂格瑞食品有限公司 | A method of recycling active material from dairy wastewater |
| CN109133398A (en) * | 2018-09-13 | 2019-01-04 | 陕西师范大学 | A kind of de- misery recycling processing method of semen armeniacae amarae |
| CN111620937A (en) * | 2020-03-09 | 2020-09-04 | 烟台双塔食品股份有限公司 | Method for extracting high-purity albumin |
| CN111807548A (en) * | 2020-07-15 | 2020-10-23 | 浙江中诚环境研究院有限公司 | Treatment method for recycling bean sprout wastewater |
| CN111875090A (en) * | 2020-06-30 | 2020-11-03 | 成都泓润科技有限公司 | Waste water treatment method |
| CN114044599A (en) * | 2021-10-21 | 2022-02-15 | 安徽普朗膜技术有限公司 | Processing method and processing system of seafood cleaning water |
-
2009
- 2009-01-14 CN CN200910045262A patent/CN101774707A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973675A (en) * | 2010-10-21 | 2011-02-16 | 徐文中 | Method for extracting protein from fish meal processing wastewater and making wastewater up to discharge standard |
| CN102849865A (en) * | 2012-09-19 | 2013-01-02 | 宋志娟 | Method for cyclic utilization of soybean product processing waste water and energy-saving apparatus |
| CN102849865B (en) * | 2012-09-19 | 2014-02-12 | 宋志娟 | Method for cyclic utilization of soybean product processing waste water and energy-saving apparatus |
| CN103058345A (en) * | 2012-12-07 | 2013-04-24 | 常州大学 | Method for accelerating degradation of protein in pharmaceutical wastewater |
| CN104193067B (en) * | 2014-09-19 | 2017-01-18 | 赵玉平 | Method and device for treating heparin sodium casing producing wastewater |
| CN104193067A (en) * | 2014-09-19 | 2014-12-10 | 赵玉平 | Method and device for treating heparin sodium casing producing wastewater |
| CN105271576A (en) * | 2015-11-10 | 2016-01-27 | 中国科学院海洋研究所 | Wastewater treatment method in agar production |
| CN106277399A (en) * | 2016-08-30 | 2017-01-04 | 义马煤业集团煤生化高科技工程有限公司 | A kind of processing method of Methanol Protein comprehensive wastewater |
| CN106277399B (en) * | 2016-08-30 | 2019-06-28 | 义马煤业集团煤生化高科技工程有限公司 | A kind of recoverying and utilizing method of Methanol Protein comprehensive wastewater |
| CN108342438A (en) * | 2017-01-23 | 2018-07-31 | 临沂格瑞食品有限公司 | A method of recycling active material from dairy wastewater |
| CN106830197A (en) * | 2017-02-28 | 2017-06-13 | 成都美富特膜科技有限公司 | The method and apparatus that treatment liquaemin produces waste water |
| CN106830197B (en) * | 2017-02-28 | 2020-11-10 | 成都美富特环保产业集团有限公司 | Method and equipment for treating heparin sodium production wastewater |
| CN107698051A (en) * | 2017-10-13 | 2018-02-16 | 德清明德水处理科技有限公司 | The method that sausage casing heparin produces utilization of wastewater resource |
| CN108275791A (en) * | 2018-01-09 | 2018-07-13 | 惠州市合新科技有限公司 | A kind of milk product waste recovery method |
| CN108275791B (en) * | 2018-01-09 | 2021-04-02 | 惠州市合新科技有限公司 | Method for recovering dairy product wastewater |
| CN109133398A (en) * | 2018-09-13 | 2019-01-04 | 陕西师范大学 | A kind of de- misery recycling processing method of semen armeniacae amarae |
| CN111793120A (en) * | 2020-03-09 | 2020-10-20 | 烟台双塔食品股份有限公司 | Method for extracting albumin in green circulation manner |
| CN111847688A (en) * | 2020-03-09 | 2020-10-30 | 烟台双塔食品股份有限公司 | Method for extracting albumin by using silicon carbide film |
| CN111748023A (en) * | 2020-03-09 | 2020-10-09 | 烟台双塔食品股份有限公司 | Environment-friendly and energy-saving method for extracting albumin |
| CN111620937A (en) * | 2020-03-09 | 2020-09-04 | 烟台双塔食品股份有限公司 | Method for extracting high-purity albumin |
| CN111847688B (en) * | 2020-03-09 | 2022-06-24 | 烟台双塔食品股份有限公司 | Method for extracting albumin by using silicon carbide film |
| CN111875090A (en) * | 2020-06-30 | 2020-11-03 | 成都泓润科技有限公司 | Waste water treatment method |
| CN111807548A (en) * | 2020-07-15 | 2020-10-23 | 浙江中诚环境研究院有限公司 | Treatment method for recycling bean sprout wastewater |
| CN114044599A (en) * | 2021-10-21 | 2022-02-15 | 安徽普朗膜技术有限公司 | Processing method and processing system of seafood cleaning water |
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Application publication date: 20100714 |