CN110180392A - A kind of cleaning method extracting quebrachite filter membrane from glue-preparing exhausted water - Google Patents
A kind of cleaning method extracting quebrachite filter membrane from glue-preparing exhausted water Download PDFInfo
- Publication number
- CN110180392A CN110180392A CN201910538008.6A CN201910538008A CN110180392A CN 110180392 A CN110180392 A CN 110180392A CN 201910538008 A CN201910538008 A CN 201910538008A CN 110180392 A CN110180392 A CN 110180392A
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- Prior art keywords
- cleaning
- filter membrane
- cleaning solution
- quebrachite
- glue
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/027—Nanofiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention provides a kind of cleaning method that quebrachite filter membrane is extracted from glue-preparing exhausted water, mainly comprises the steps that S1: configuration cleaning solution；S2: it is cleaned with the first cleaning solution；S3: it is cleaned with the second cleaning solution；It is passed through hot-air 3~5 minutes simultaneously；S4: it is cleaned with third cleaning solution.Using filter membrane cleaning method of the present invention, the filter membrane pressure difference of ultrafiltration membrane reduces after cleaning, pressure difference reduced rate reaches 75~81%, water flow is produced to increase, flow increase rate reaches 75~90%, the pressure difference reduced rate of microfiltration membranes reaches 87% after cleaning, flow increase rate reaches 90%, the pressure difference reduced rate of nanofiltration membrane reaches 83% after cleaning, flow increase rate reaches 93%, illustrate the method for the present invention while being suitable for extracting the cleaning of microfiltration membranes, ultrafiltration membrane and nanofiltration membrane during quebrachite, and cleaning effect is preferable.
Description
Technical field
The present invention relates to filter membrane cleaning technique fields, more particularly to one kind, and quebrachite filter is extracted from glue-preparing exhausted water
The cleaning method of film.
Background technique
It is usually requiring to use microfiltration membranes, ultrafiltration membrane and nanofiltration membrane from the technique for extracting quebrachite in glue-preparing exhausted water
Etc. being filtered, these filter membranes are used so that production cost is higher.Therefore for save the cost, realize that filter membrane recycles,
Filter membrane need to be cleaned.However, due to glue-preparing exhausted water complicated component (including protein, carbohydrate, organic acid, lipoid substance,
Inorganic salts etc.), it is ineffective using conventional pickling or alkali washing method, even pickling and alkali cleaning are used in combination, clean rate
It generally also can only achieve 40% or so, be much unable to reach expected satisfactory effect.
Summary of the invention
In place of the above the deficiencies in the prior art, the present invention provides a kind of glue-preparing exhausted water deep treatment method.
The technical solution adopted by the present invention is as follows:
A kind of cleaning method extracting quebrachite filter membrane from glue-preparing exhausted water, comprising the following steps:
S1: configuration cleaning solution:
First cleaning solution is liquor natrii hypochloritis；Second cleaning solution is the mixed of Cocoamidopropyl betaine and polyethylene glycol
Close solution；Third cleaning solution is citric acid solution；
The cleaning of S2: the first cleaning solution:
Filter membrane component is cleaned 15~30 minutes with the first cleaning solution, flow velocity is 30~40 gallon per minute；
The cleaning of S3: the second cleaning solution:
Filter membrane component is cleaned 30~40 minutes with the second cleaning solution, flow velocity is 25~30 gallon per minute；It is clear to start second
Washing lotion is passed through hot-air while cleaning, and being passed through the hot-air time is 3~5 minutes；
S4: third cleaning solution cleaning
Filter membrane component is cleaned 15~30 minutes with third cleaning solution, flow velocity is 25~30 gallon per minute；Backwash.
Preferably, the temperature of the hot-air is 45~50 DEG C.
Preferably, the solution temperature of the first cleaning solution is 33~38 DEG C.
Preferably, the solution temperature of third cleaning solution is 35~40 DEG C.
Preferably, the mass concentration of the first cleaning solution is 12~14%.
Preferably, the mass concentration of the second cleaning solution is 2~5%.
Preferably, the mass concentration of third cleaning solution is 3~5%.
Preferably, in step S3,1.5~2.5bar of admission pressure.
Preferably, Cocoamidopropyl betaine and polyethylene glycol grade ratio (mass ratio) mix.
Compared with prior art, the beneficial effects of the present invention are:
Using filter membrane cleaning method of the present invention, the filter membrane pressure difference of ultrafiltration membrane is reduced after cleaning, and pressure difference reduced rate reaches 75~
81%, it produces water flow and increases, flow increase rate reaches 75~90%, and the pressure difference reduced rate of microfiltration membranes reaches 87% after cleaning, stream
Amount increase rate reaches 90%, and the pressure difference reduced rate of nanofiltration membrane reaches 83% after cleaning, and flow increase rate reaches 93%, illustrates this hair
Bright method is suitable for extracting the cleaning of microfiltration membranes, ultrafiltration membrane and nanofiltration membrane during quebrachite simultaneously, and cleaning effect compared with
It is good.
Specific embodiment
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
A kind of cleaning method extracting quebrachite filter membrane from glue-preparing exhausted water, comprising the following steps:
S1: configuration cleaning solution:
First cleaning solution is the liquor natrii hypochloritis of mass concentration 12%, and solution temperature is 33 DEG C；Second cleaning solution is coconut palm
The mixed solution (mass concentration 2%) of oleamide propyl betaine and polyethylene glycol (mass ratio 1:1)；Third cleaning solution is quality
The citric acid solution of concentration 3%, solution temperature are 35 DEG C；
The cleaning of S2: the first cleaning solution:
Filter membrane component is cleaned 15 minutes with the first cleaning solution, flow velocity is 30 gallon per minute；
The cleaning of S3: the second cleaning solution:
Filter membrane component is cleaned 30 minutes with the second cleaning solution, flow velocity is 25 gallon per minute；Start the cleaning of the second cleaning solution
While be passed through 45 DEG C of hot-airs, 1.5~2.5bar of admission pressure, being passed through the hot-air time is 3 minutes；
S4: third cleaning solution cleaning
Filter membrane component is cleaned 15 minutes with third cleaning solution, flow velocity is 25 gallon per minute；Backwash 1 time.
Embodiment 2
A kind of cleaning method extracting quebrachite filter membrane from glue-preparing exhausted water, comprising the following steps:
S1: configuration cleaning solution:
First cleaning solution is the liquor natrii hypochloritis of mass concentration 14%, and solution temperature is 38 DEG C；Second cleaning solution is coconut palm
The mixed solution (mass concentration 5%) of oleamide propyl betaine and polyethylene glycol (mass ratio 1:1)；Third cleaning solution is quality
The citric acid solution of concentration 5%, solution temperature are 40 DEG C；
The cleaning of S2: the first cleaning solution:
Filter membrane component is cleaned 30 minutes with the first cleaning solution, flow velocity is 40 gallon per minute；
The cleaning of S3: the second cleaning solution:
Filter membrane component is cleaned 40 minutes with the second cleaning solution, flow velocity is 30 gallon per minute；Start the cleaning of the second cleaning solution
While be passed through 50 DEG C of hot-airs, 1.5~2.5bar of admission pressure, being passed through the hot-air time is 5 minutes；
S4: the cleaning of third cleaning solution:
Filter membrane component is cleaned 30 minutes with third cleaning solution, flow velocity is 30 gallon per minute；Backwash 1 time.
Embodiment 3
Embodiment 3 and the difference of embodiment 1 are:
The temperature of the hot-air is 38 DEG C.
The solution temperature of first cleaning solution is 45 DEG C.
The solution temperature of third cleaning solution is 45 DEG C.
Embodiment 4
Embodiment 4 and the difference of embodiment 1 are:
The mass concentration of first cleaning solution is 5%.
The mass concentration of second cleaning solution is 12%.
The mass concentration of third cleaning solution is 8%.
Embodiment 5
Embodiment 5 and the difference of embodiment 1 are:
The mixing ratio of Cocoamidopropyl betaine and polyethylene glycol is 2:5.
Comparative example 1
Comparative example 1 is with the difference of embodiment 1: step S2 is exchanged with step S4.
Comparative example 2
Comparative example 2 and the difference of embodiment 1 are:
It is not passed through hot-air in step S3.
Comparative example 3
Comparative example 3 and the difference of embodiment 1 are: cancellation step S3.
Test example 1:
Glue-preparing exhausted water described in this test example is Jiao Qingfeishui.The method that embodiment and comparative example is respectively adopted carries out ultrafiltration membrane
Cleaning treatment, the filter membrane pressure difference and production water flow of record cleaning front and back, and pressure difference reduced rate and flow increase rate are calculated, as a result see
Table 1.
Table 1
Test result shows that, using filter membrane cleaning method of the present invention, the filter membrane pressure difference of ultrafiltration membrane reduces after cleaning, pressure difference drop
Low rate reaches 75~81%, produces water flow and increases, and flow increase rate reaches 75~90%, illustrates cleaning of the present invention to ultrafiltration membrane
Effect is preferable.
The present invention also use the method for embodiment 2 to extract microfiltration membranes and nanofiltration membrane used in quebrachite process into
Row cleaning, the results show that cleaning after microfiltration membranes pressure difference reduced rate 87%, flow increase rate 90%, the pressure of nanofiltration membrane after cleaning
Poor reduced rate 83%, flow increase rate 93% illustrate the method for the present invention for microfiltration membranes, ultrafiltration during extraction quebrachite
Film and nanofiltration membrane all have good cleaning effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (9)
1. a kind of cleaning method for extracting quebrachite filter membrane from glue-preparing exhausted water, which comprises the following steps:
S1: configuration cleaning solution:
First cleaning solution is liquor natrii hypochloritis；Second cleaning solution is molten for the mixing of Cocoamidopropyl betaine and polyethylene glycol
Liquid；Third cleaning solution is citric acid solution；
The cleaning of S2: the first cleaning solution:
Filter membrane component is cleaned 15~30 minutes with the first cleaning solution, flow velocity is 30~40 gallon per minute；
The cleaning of S3: the second cleaning solution:
Filter membrane component is cleaned 30~40 minutes with the second cleaning solution, flow velocity is 25~30 gallon per minute；Start the second cleaning solution
Hot-air is passed through while cleaning, being passed through the hot-air time is 3~5 minutes；
S4: the cleaning of third cleaning solution:
Filter membrane component is cleaned 15~30 minutes with third cleaning solution, flow velocity is 25~30 gallon per minute；Backwash.
2. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
In the temperature of the hot-air is 45~50 DEG C.
3. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
In the solution temperature of the first cleaning solution is 33~38 DEG C.
4. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
In the solution temperature of third cleaning solution is 35~40 DEG C.
5. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
In the mass concentration of the first cleaning solution is 12~14%.
6. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
In the mass concentration of the second cleaning solution is 2~5%.
7. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
In the mass concentration of third cleaning solution is 3~5%.
8. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
In, in step S3,1.5~2.5bar of admission pressure.
9. the cleaning method according to claim 1 for extracting quebrachite filter membrane from glue-preparing exhausted water, feature exist
It is mixed in, Cocoamidopropyl betaine with polyethylene glycol grade ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538008.6A CN110180392B (en) | 2019-06-20 | 2019-06-20 | Cleaning method of filter membrane for extracting quebrachitol from glue-making wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538008.6A CN110180392B (en) | 2019-06-20 | 2019-06-20 | Cleaning method of filter membrane for extracting quebrachitol from glue-making wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN110180392A true CN110180392A (en) | 2019-08-30 |
| CN110180392B CN110180392B (en) | 2020-04-14 |
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| CN201910538008.6A Active CN110180392B (en) | 2019-06-20 | 2019-06-20 | Cleaning method of filter membrane for extracting quebrachitol from glue-making wastewater |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075073A (en) * | 1998-08-20 | 2000-06-13 | Apex Medical Technologies, Inc. | Latices from emulsified hydrocarbon rubber solutions by membrane separation |
| CN103341325A (en) * | 2013-06-18 | 2013-10-09 | 吴章锋 | Dual-purpose film cleaning agent and its preparation method and use |
| CN103949163A (en) * | 2014-04-25 | 2014-07-30 | 山西太钢不锈钢股份有限公司 | Method for cleaning immersed ultrafiltration membrane in wastewater reuse |
| CN104099618A (en) * | 2014-07-24 | 2014-10-15 | 张慧玲 | Room-temperature high-efficiency cleaning agent for removing oil and rust |
-
2019
- 2019-06-20 CN CN201910538008.6A patent/CN110180392B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075073A (en) * | 1998-08-20 | 2000-06-13 | Apex Medical Technologies, Inc. | Latices from emulsified hydrocarbon rubber solutions by membrane separation |
| CN103341325A (en) * | 2013-06-18 | 2013-10-09 | 吴章锋 | Dual-purpose film cleaning agent and its preparation method and use |
| CN103949163A (en) * | 2014-04-25 | 2014-07-30 | 山西太钢不锈钢股份有限公司 | Method for cleaning immersed ultrafiltration membrane in wastewater reuse |
| CN104099618A (en) * | 2014-07-24 | 2014-10-15 | 张慧玲 | Room-temperature high-efficiency cleaning agent for removing oil and rust |
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| Publication number | Publication date |
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| CN110180392B (en) | 2020-04-14 |
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