CN112694150A - Sterilization system and method for fermentation process water and application of sterilization system - Google Patents
Sterilization system and method for fermentation process water and application of sterilization system Download PDFInfo
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- CN112694150A CN112694150A CN202110026235.8A CN202110026235A CN112694150A CN 112694150 A CN112694150 A CN 112694150A CN 202110026235 A CN202110026235 A CN 202110026235A CN 112694150 A CN112694150 A CN 112694150A
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- process water
- sterilization
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- fermentation
- sterilization system
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 120
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 82
- 238000000855 fermentation Methods 0.000 title claims abstract description 59
- 230000004151 fermentation Effects 0.000 title claims abstract description 59
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 10
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 12
- 229910052753 mercury Inorganic materials 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000011109 contamination Methods 0.000 abstract description 5
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 8
- 239000000645 desinfectant Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 230000035897 transcription Effects 0.000 description 2
- 238000013518 transcription Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001243 protein synthesis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
Images
Classifications
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention especially relates to a sterilization system and a sterilization method for fermentation process water and application of the sterilization system, and belongs to the technical field of process water sterilization, wherein the sterilization system comprises a discharge pipeline which is used for communicating a process water storage tank to discharge process water to be treated into the sterilization system, a sterilization tank which is used for sterilizing the process water, a buffer tank which is used for temporarily storing the process water treated by the sterilization tank, an overflow pipeline which is used for discharging the process water treated by the sterilization tank into the buffer tank, and a discharge pipeline which is used for discharging the process water in the buffer tank for fermentation, wherein the sterilization tank is communicated with the discharge pipeline; at least one sterilizing device is arranged in the sterilizing tank; one end of the overflow pipeline is communicated with the sterilization tank, and the other end of the overflow pipeline is communicated with the buffer tank; the discharge pipeline is communicated with the buffer tank, the fermentation tank is added after the process water is sterilized, the problem of bacterial contamination in the fermentation process can be effectively avoided, the subsequent fermentation process is not influenced in the sterilization process, and the sterilization tank and the buffer tank are matched, so that the fermentation tank can be suitable for use scenes which continuously need the process water.
Description
Technical Field
The invention belongs to the technical field of process water sterilization, and particularly relates to a sterilization system and method for fermentation process water and application of the sterilization system.
Background
In the continuous fermentation production process, process water needs to be provided for fermentation continuously, the use amount of the process water is large, and the process water entering a fermentation tank needs to be sterilized in order to prevent the occurrence of bacteria contamination in the fermentation tank.
The current sterilization methods are as follows: adding disinfectants, such as chlorine dioxide and bleaching powder; or ozone may be used.
Disclosure of Invention
The applicant finds in the course of the invention that: after the disinfectant is added, the disinfectant has influence on subsequent fermentation, so the disinfectant cannot be used in the fermentation; and the adoption of ozone sterilization needs an independent set of equipment for generating ozone and a set of device for destroying ozone, so that the investment cost is high.
In view of the above, the present invention has been developed to provide a sterilization system, a method and a use of a sterilization system for fermentation process water that overcome or at least partially solve the above-mentioned problems.
The embodiment of the invention provides a sterilization system for fermentation process water, which comprises
The discharge pipeline is used for communicating the process water storage tank to discharge the process water to be treated into the sterilization system;
the sterilizing tank is used for sterilizing the process water and is communicated with the discharge pipeline; at least one sterilization device is arranged in the sterilization tank;
the buffer tank is used for temporarily storing the process water treated by the sterilizing tank;
the overflow pipeline is used for discharging the process water treated by the sterilization tank into the buffer tank, one end of the overflow pipeline is communicated with the sterilization tank, and the other end of the overflow pipeline is communicated with the buffer tank;
and the discharge pipeline is used for discharging the process water in the buffer tank for fermentation, and is communicated with the buffer tank.
Optionally, the sterilization device is an ultraviolet emitting device.
Optionally, the ultraviolet emitting device is a low-pressure mercury lamp, and the wavelength of ultraviolet emitted by the low-pressure mercury lamp is 253nm-255 nm.
Optionally, the wavelength of ultraviolet light emitted by the low-pressure mercury lamp is 253.7 nm.
Optionally, the sterilization tank is provided with a dispensing opening.
Optionally, the overflow pipeline is communicated with the sterilization tank through a float valve, and the overflow pipeline is provided with a check valve.
Optionally, in the flow direction, the discharge pipe is provided with a valve, a Y-filter and a pump in sequence.
Optionally, the discharge pipe is provided with a valve assembly, and the valve assembly sequentially comprises a butterfly valve and a pneumatic butterfly valve in the flow direction.
Based on the same inventive concept, the embodiment of the invention also provides a sterilization method of fermentation process water, which comprises the following steps:
discharging the process water to be treated into a sterilization tank through a pipeline for sterilization, wherein the sterilization time is controlled to be 23-27 min;
discharging the sterilized process water into a buffer tank through an overflow pipeline for temporary storage;
and discharging the process water temporarily stored in the buffer tank to the fermentation production for use through a discharge pipeline according to the fermentation production requirement.
Based on the same invention concept, the embodiment of the invention also provides application of the sterilization system for the fermentation process water, and the sterilization system is used as a process water supply system to be applied to the preparation of ethanol by fermentation of tail gas in the ferroalloy industry.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
the sterilization system for the fermentation process water comprises a discharge pipeline, a sterilization tank, a buffer tank, an overflow pipeline and a discharge pipeline, wherein the discharge pipeline is used for communicating a process water storage tank to discharge process water to be treated into the sterilization system; at least one sterilization device is arranged in the sterilization tank; one end of the overflow pipeline is communicated with the sterilization tank, and the other end of the overflow pipeline is communicated with the buffer tank; the discharge pipeline is communicated with the buffer tank, the fermentation tank is added after the process water is sterilized, the problem of bacterial contamination in the fermentation process can be effectively avoided, the subsequent fermentation process is not influenced in the sterilization process, and the sterilization tank and the buffer tank are matched, so that the fermentation tank can be suitable for use scenes which continuously need the process water.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a sterilization system provided by an embodiment of the present invention;
FIG. 2 is a flow chart of a sterilization method provided by an embodiment of the present invention;
reference numerals: 1-discharge pipeline, 2-butterfly valve, 3-pneumatic butterfly valve, 4-sterilization tank, 5-sterilization device, 6-dispersion port, 7-float valve, 8-overflow pipeline, 9-check valve, 10-buffer tank, 11-valve, 12-Y type filter, 13-pump and 14-discharge pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the applicant finds in the course of the invention that: the current sterilization methods are as follows: adding disinfectants, such as chlorine dioxide and bleaching powder; or using ozone; after the disinfectant is added, the disinfectant has influence on subsequent fermentation, so the disinfectant cannot be used in the fermentation; and the adoption of ozone sterilization needs an independent set of equipment for generating ozone and a set of device for destroying ozone, so that the investment cost is high.
According to an exemplary embodiment of the present invention, a sterilization system for fermentation process water is provided, as shown in fig. 1, the sterilization system includes an inlet pipe 1 for communicating a process water storage tank to discharge process water to be treated into the sterilization system, a sterilization tank 4 for sterilizing the process water, a buffer tank 10 for temporarily storing the process water treated by the sterilization tank 4, an overflow pipe 8 for discharging the process water treated by the sterilization tank 4 into the buffer tank 10, and a discharge pipe 14 for discharging the process water in the buffer tank 10 for fermentation; the sterilization tank 4 is communicated with the discharge pipeline 1; at least one sterilizing device 5 is arranged in the sterilizing tank 4; one end of the overflow pipeline 8 is communicated with the sterilization tank 4, and the other end of the overflow pipeline 8 is communicated with the buffer tank 10; the discharge pipe 14 communicates with the surge tank 10. It should be noted that the process water entering the discharge pipe 1 includes, but is not limited to, primary water and reuse water. The primary process water and the reuse water are discharged into a pipeline 1 to enter the subsequent sterilization treatment; the sterilization tank 4 selects the corresponding volume of the storage tank according to the amount of water required by production, so as to ensure that the retention time of the water in the storage tank achieves the sterilization effect; the process water can be temporarily stored in the buffer tank 10 after being sterilized and then is pumped into a subsequent fermentation working section from the buffer tank 10.
Adopt the sterilization system that this application embodiment provided, can add the fermentation cylinder after can sterilizing process water and can effectively avoid the contamination problem in fermentation process, the subsequent fermentation technology is not influenced in the sterilization process simultaneously, adopts sterilization jar and buffer tank cooperation, can be applicable to the use scene that constantly needs process water of source.
As an alternative embodiment, the sterilization device 5 is an ultraviolet emitting device; on the one hand, ultraviolet light mutates nucleic acids, blocks their replication, blocks transcription, and protein synthesis; on the other hand, the generation of free radicals can cause photoionization, resulting in the death of bacteria. Applicants have found that the rate of inactivation of most bacteria and viruses can be as high as 99% or more when they receive a cumulative uv dose of up to 20 mJ. In this embodiment, the ultraviolet emitting device is a low-pressure mercury lamp, and the wavelength of ultraviolet emitted by the low-pressure mercury lamp is 253nm-255 nm; the applicant found that: the ultraviolet ray of 253nm-255nm can effectively destroy the genetic material (DNA or RNA) of the microorganism, so that the replication and transcription of the genetic material can not be completed by bacteria, viruses and the like, thereby killing bacterial pathogens and avoiding infection sources. Among them, ultraviolet rays of 253.7nm are preferable. It should be noted that the ultraviolet emission device selects the low-pressure mercury lamp as the sterilization and disinfection lamp, and when in actual use, each lamp is provided with an independent control unit, so that the number of the lamps to be turned on is determined according to the corresponding water quantity, and the ultraviolet wavelength 253.7nm has the best sterilization effect. Meanwhile, the low-pressure mercury lamp is arranged in a modularized mode, so that the low-pressure mercury lamp can be quickly replaced when the low-pressure mercury lamp is prolonged in service life or is damaged accidentally.
As an alternative embodiment, the sterilization tank 4 is provided with a dispensing opening 6.
As an alternative embodiment, the overflow line 8 communicates with the sterilization tank 4 via a float valve 7, the overflow line 8 being provided with a non-return valve 9. The float valve 7 is arranged, so that the water level at which the float valve is opened can be calculated according to the water consumption and the retention time, the water consumption can be met, and the process water can be well sterilized.
As an alternative embodiment, the discharge duct 14 is provided with a valve 11, a Y-filter 12 and a pump 13 in succession in the flow direction. The process water in the buffer tank 10 is discharged as required, meanwhile, the Y-shaped filter 12 can play a good filtering effect, in other embodiments, other filtering devices can be used to replace the Y-shaped filter 12, and only the requirement of filtering impurities in the process water is met.
According to another exemplary embodiment of the present invention, there is provided a method for sterilizing fermentation process water, as shown in fig. 2, the method including:
s1, discharging process water to be treated into a pipeline 1 and a sterilization tank 4 for sterilization, wherein the sterilization time is controlled to be 23-27 min;
s2, discharging the sterilized process water into a buffer tank 10 through an overflow pipeline 8 for temporary storage;
s3, discharging the process water temporarily stored in the buffer tank 10 to the fermentation production for use through a discharge pipeline 14 according to the fermentation production requirement.
The reason for controlling the sterilization time to be 23-27 min is to avoid the tank body from being too large on the premise of ensuring sufficient sterilization, and fully consider time benefit, energy consumption benefit and economic benefit; wherein the sterilization time is preferably 25 min.
According to another typical embodiment of the invention, the sterilization system is applied to the fermentation of the tail gas of the ferroalloy industry as a process water supply system for preparing ethanol by fermenting the tail gas of the ferroalloy industry, the process water is required to be continuously provided for fermentation, the consumption of the process water is large, and the ultraviolet sterilization devices at present are provided with ultraviolet lamps in buffer tanks, which only can supply water intermittently, so that the ultraviolet sterilization devices cannot be applied to the fermentation of the tail gas of the ferroalloy industry for preparing ethanol.
One or more technical solutions in the embodiments of the present invention at least have the following technical effects or advantages:
(1) the sterilization system provided by the embodiment of the invention solves the technical problem that the process water carries bacteria in the existing ferroalloy industrial tail gas fermentation technology, and the problem of bacterial contamination in the fermentation process can be effectively avoided by adding the sterilized process water into a fermentation tank;
(2) the sterilization system provided by the embodiment of the invention adopts the cooperation of the sterilization tank and the buffer tank, and can be suitable for use scenes which continuously need process water;
(3) the sterilization system provided by the embodiment of the invention is particularly suitable for preparing ethanol by fermenting tail gas in the ferroalloy industry.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A sterilization system for fermentation process water, characterized in that the sterilization system comprises
The discharge pipeline (1) is used for communicating the process water storage tank to discharge the process water to be treated into the sterilization system;
the sterilizing tank (4) is used for sterilizing the process water, and the sterilizing tank (4) is communicated with the discharge pipeline (1); at least one sterilizing device (5) is arranged in the sterilizing tank (4);
the buffer tank (10) is used for temporarily storing the process water treated by the sterilizing tank (4);
the overflow pipeline (8) is used for discharging the process water treated by the sterilization tank (4) into the buffer tank (10), one end of the overflow pipeline (8) is communicated with the sterilization tank (4), and the other end of the overflow pipeline (8) is communicated with the buffer tank (10);
the discharge pipeline (14) is used for discharging the process water in the buffer tank (10) for fermentation, and the discharge pipeline (14) is communicated with the buffer tank (10).
2. The sterilization system of fermentation process water according to claim 1, wherein the sterilization device (5) is an ultraviolet emitting device.
3. The sterilization system of fermentation process water according to claim 2, wherein the ultraviolet emission device is a low-pressure mercury lamp, and the wavelength of ultraviolet emitted from the low-pressure mercury lamp is 253nm to 255 nm.
4. The sterilization system of fermentation process water according to claim 3, wherein the ultraviolet wavelength emitted by the low-pressure mercury lamp is 253.7 nm.
5. The sterilization system of fermentation process water according to claim 1, wherein the sterilization tank (4) is provided with a dispersion opening (6).
6. The sterilization system of fermentation process water according to claim 1, wherein the overflow conduit (8) is in communication with the sterilization tank (4) through a float valve (7), the overflow conduit (8) being provided with a check valve (9).
7. Sterilization system of fermentation process water according to claim 1, characterized in that the discharge conduit (14) is provided with a valve (11), a Y-filter (12) and a pump (13) in sequence in the flow direction.
8. Sterilization system of fermentation process water according to claim 1, characterized in that the discharge conduit (1) is provided with a valve (11) assembly, which valve (11) assembly comprises, in turn, a butterfly valve (2) and a pneumatic butterfly valve (3) in the flow direction.
9. A method of sterilizing fermentation process water, the method comprising:
discharging the process water to be treated into a sterilizing tank (4) through a discharge pipeline (1) for sterilization, wherein the sterilizing time is controlled to be 23-27 min;
discharging the sterilized process water into a buffer tank (10) through an overflow pipeline (8) for temporary storage;
and discharging the process water temporarily stored in the buffer tank (10) to the fermentation production for use through a discharge pipeline (14) according to the fermentation production requirement.
10. The application of the sterilization system for the fermentation of the process water is characterized in that the sterilization system is used as a process water supply system and is applied to the fermentation of the tail gas in the ferroalloy industry to prepare the ethanol.
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US20130015137A1 (en) * | 2011-07-14 | 2013-01-17 | Ana-Mariana Urmenyi | Method of maintaining water quality in a process stream |
CN104528874A (en) * | 2014-12-31 | 2015-04-22 | 山东圣琪生物有限公司 | Process water sterilization system for fermentation |
CN206109117U (en) * | 2016-07-26 | 2017-04-19 | 吳達鎔 | Primary filter and storage system |
CN107555530A (en) * | 2017-10-12 | 2018-01-09 | 浙江东成生物科技股份有限公司 | The ultraviolet sterilization apparatus of one primary yeast fermentation process water |
-
2021
- 2021-01-08 CN CN202110026235.8A patent/CN112694150A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130015137A1 (en) * | 2011-07-14 | 2013-01-17 | Ana-Mariana Urmenyi | Method of maintaining water quality in a process stream |
CN104528874A (en) * | 2014-12-31 | 2015-04-22 | 山东圣琪生物有限公司 | Process water sterilization system for fermentation |
CN206109117U (en) * | 2016-07-26 | 2017-04-19 | 吳達鎔 | Primary filter and storage system |
CN107555530A (en) * | 2017-10-12 | 2018-01-09 | 浙江东成生物科技股份有限公司 | The ultraviolet sterilization apparatus of one primary yeast fermentation process water |
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Application publication date: 20210423 |