CN107381945A - A kind of processing method of degumming silkworm cocoons waste water - Google Patents
A kind of processing method of degumming silkworm cocoons waste water Download PDFInfo
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- CN107381945A CN107381945A CN201710666439.1A CN201710666439A CN107381945A CN 107381945 A CN107381945 A CN 107381945A CN 201710666439 A CN201710666439 A CN 201710666439A CN 107381945 A CN107381945 A CN 107381945A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
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- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The invention mainly relates to silk processing technique field, discloses a kind of processing method of degumming silkworm cocoons waste water, including：Acid-base accommodation, enzymolysis, one time fermentation, secondary fermentation, discharge；Method is simple, easy to operation, without special instrument and equipment, is easy to promote, and the protein removal rate in degumming waste water is reached 97.3%, fatty clearance reaches 98.1%, hence it is evident that reduces the macromolecular nutrition in degumming waste water, environmental protection, solves the energy；Containing substantial amounts of acid or alkali in degumming waste water, after pH-value is adjusted, degumming waste water is reduced soda acid excitant, beneficial to post-processing, improve treatment effect；Complex enzyme is first added after pH-value regulation to be digested, the fat and pectin composition of macromolecular in Decomposition Wastewater, substantial amounts of sericin in proteases for decomposing waste water is added, avoids the oxidation and the substantial amounts of dissolved oxygen of decomposition and consumption, mitigation environment and water pollution of fat and protein after discharge of wastewater.
Description
Technical field
The invention mainly relates to silk processing technique field, more particularly to a kind of processing method of degumming silkworm cocoons waste water.
Background technology
Silk is most light most soft most thin natural fiber in nature, is one of earliest animal origin of human use, matter
Light and elongated, fabric sheen is good, comfortable and easy to wear, and feel is smooth plentiful, and poor heat conductivity, moisture absorption is breathed freely, for knit the various silks and satins of system and
Knitwear, and for industry, national defence and medicine and other fields；After silkworm cocoons, silk cocoon is prepared into silk needs to carry out degumming
Journey, waste water caused by now widely used degumming silkworm cocoons method all contain a large amount of protein, aliphatic acid or alkali, and flowing into river course will
Oxygen in water can be largely consumed, water body is lost self-purification capacity, causes environmental pollution and substantial amounts of energy waste, therefore, is needed
Want a kind of processing method of degumming silkworm cocoons waste water.
The content of the invention
The defects of in order to make up prior art, it is an object of the invention to provide a kind of processing method of degumming silkworm cocoons waste water.
A kind of processing method of degumming silkworm cocoons waste water, comprises the following steps：
（1）Acid-base accommodation：Degumming waste water progress pH is adjusted to 5.3 ~ 5.6, degumming waste water is reduced soda acid excitant, after being beneficial to
Phase is handled, and is improved treatment effect, is obtained acid-base accommodation waste water；
（2）Enzymolysis：Complex enzyme is added into acid-base accommodation waste water, it is 0.04 ~ 0.06% to make mass concentration, and stirring enzymolysis 2 ~ 3 is small
When, protease is added, continues enzymolysis 4 ~ 5 hours, first adds the fat and pectin composition of macromolecular in complex enzyme Decomposition Wastewater, then
Substantial amounts of sericin in proteases for decomposing waste water is added, avoids fatty and protein oxidation and decomposition and consumption after discharge of wastewater
Substantial amounts of dissolved oxygen, mitigate environment and water pollution, obtain enzymolysis waste water；
（3）One time fermentation：Sodium selenite is added into enzymolysis waste water, suppresses wastewater oxidation, increases the mineral element in waste water, profit
In later stage microbial growth, it is 0.05 ~ 0.07% to make mass concentration, and lactic acid bacteria is accessed after well mixed, in 34 ~ 36 DEG C of fermentations 2 ~ 3
My god, promote a large amount of Extracellular metabolisms caused by growing microorganism to promote growing microorganism using the nutritional ingredient in waste water, profit
Grown in plant and animal, obtain one time fermentation waste water；
（4）Secondary fermentation：EM bacterium are accessed into one time fermentation waste water, it is 4 ~ 6% to make mass concentration, is fermented 7 ~ 9 days in 24 ~ 28 DEG C,
Beneficial microbe colony in abundant waste water, a large amount of organic principles in waste water are fully converted, is easy to recycle after discharge, keeps away
Exempt from the pollution to environment and river, obtain secondary fermentation waste water；
（5）Discharge：By secondary fermentation waste water through 60 ~ 80 mesh screens, waste discharge is obtained.
The step（1）PH regulations, using solution be sodium carbonate liquor that mass concentration is 5 ~ 7% or volume fraction is 3
~ 4% acetum.
The step（2）Complex enzyme, be made up of lipase and pectase, the weight ratio of lipase and pectase for 10 ~
12:1。
The step（2）Protease, be bromelain, mass concentration is 0.07 ~ 0.09%.
The step（3）Lactic acid bacteria, mass concentration be 3 ~ 5%, be made up of the bacterial strain of following parts by weight：Lactobacillus acidophilus
17 ~ 19, streptococcus thermophilus 12 ~ 14, Lactobacillus plantarum 7 ~ 9, Bu Shi lactobacillus 4 ~ 6, each bacterial strain pass through re-activation.
The waste discharge that a kind of processing method of the degumming silkworm cocoons waste water is prepared.
The application method of the waste discharge, can be used as nutrient solution be used for plant irrigation, animal drink, aquaculture or work
It is direct discharging of waste water in river.
It is an advantage of the invention that：The processing method of degumming silkworm cocoons waste water provided by the invention, method is simple, easy to operation,
Without special instrument and equipment, it is easy to promote, the protein removal rate in degumming waste water is reached 97.3%, fatty clearance
Reach 98.1%, hence it is evident that reduce the macromolecular nutrition in degumming waste water, environmental protection, solve the energy；Containing a large amount of in degumming waste water
Acid or alkali, after pH-value is adjusted, degumming waste water is reduced soda acid excitant, beneficial to post-processing, improve treatment effect；Acid
Complex enzyme is first added after base number regulation to be digested, the fat and pectin composition of macromolecular, add protease in Decomposition Wastewater
Substantial amounts of sericin in Decomposition Wastewater, the oxidation of fat and protein and decomposition and consumption after discharge of wastewater is avoided largely to dissolve
Oxygen, mitigate environment and water pollution；Sodium selenite is added into enzymolysis waste water, suppresses wastewater oxidation, increases the mineral in waste water
Element, beneficial to later stage microbial growth, after accessing lactic acid bacteria the nutritional ingredient in waste water can be utilized to promote growing microorganism to produce
A large amount of Extracellular metabolisms can promote growing microorganism, beneficial to plant and animal grow；EM bacterium are accessed again carries out secondary fermentation,
Beneficial microbe colony in abundant waste water, a large amount of organic principles in waste water are fully converted, is easy to recycle after discharge, keeps away
Exempt from the pollution to environment and river.
Embodiment
Illustrate the present invention with specific embodiment below.
Embodiment 1
A kind of processing method of degumming silkworm cocoons waste water, comprises the following steps：
（1）Acid-base accommodation：Degumming waste water progress pH is adjusted to 5.3 ~ 5.6, degumming waste water is reduced soda acid excitant, after being beneficial to
Phase is handled, and is improved treatment effect, is obtained acid-base accommodation waste water；
（2）Enzymolysis：Complex enzyme is added into acid-base accommodation waste water, it is 0.04% to make mass concentration, stirring enzymolysis 2 hours, adds egg
White enzyme, continues enzymolysis 4 hours, first adds the fat and pectin composition of macromolecular in complex enzyme Decomposition Wastewater, adds protease
Substantial amounts of sericin in Decomposition Wastewater, the oxidation of fat and protein and decomposition and consumption after discharge of wastewater is avoided largely to dissolve
Oxygen, mitigate environment and water pollution, obtain enzymolysis waste water；
（3）One time fermentation：Sodium selenite is added into enzymolysis waste water, suppresses wastewater oxidation, increases the mineral element in waste water, profit
In later stage microbial growth, it is 0.05% to make mass concentration, and lactic acid bacteria is accessed after well mixed, is fermented 2 days in 34 DEG C, using useless
Nutritional ingredient in water promotes a large amount of Extracellular metabolisms caused by growing microorganism to promote growing microorganism, beneficial to plant and moves
Thing grows, and obtains one time fermentation waste water；
（4）Secondary fermentation：EM bacterium are accessed into one time fermentation waste water, it is 4% to make mass concentration, is fermented 7 days in 24 DEG C, is enriched useless
Beneficial microbe colony in water, a large amount of organic principles in waste water are fully converted, is easy to recycle after discharge, avoids to ring
Border and the pollution in river, obtain secondary fermentation waste water；
（5）Discharge：By secondary fermentation waste water through 60 ~ 80 mesh screens, waste discharge is obtained.
The step（1）PH regulations, using solution be sodium carbonate liquor that mass concentration is 5% or volume fraction is 3%
Acetum.
The step（2）Complex enzyme, be made up of lipase and pectase, the weight ratio of lipase and pectase is 10:
1。
The step（2）Protease, be bromelain, mass concentration 0.07%.
The step（3）Lactic acid bacteria, mass concentration 3%, be made up of the bacterial strain of following parts by weight：Lactobacillus acidophilus 17,
Streptococcus thermophilus 12, Lactobacillus plantarum 7, Bu Shi lactobacillus 4, each bacterial strain pass through re-activation.
The waste discharge that a kind of processing method of the degumming silkworm cocoons waste water is prepared.
The application method of the waste discharge, can be used as nutrient solution be used for plant irrigation, animal drink, aquaculture or work
It is direct discharging of waste water in river.
Embodiment 2
A kind of processing method of degumming silkworm cocoons waste water, comprises the following steps：
（1）Acid-base accommodation：Degumming waste water progress pH is adjusted to 5.3 ~ 5.6, degumming waste water is reduced soda acid excitant, after being beneficial to
Phase is handled, and is improved treatment effect, is obtained acid-base accommodation waste water；
（2）Enzymolysis：Complex enzyme is added into acid-base accommodation waste water, it is 0.05% to make mass concentration, stirring enzymolysis 2 hours, adds egg
White enzyme, continues enzymolysis 4 hours, first adds the fat and pectin composition of macromolecular in complex enzyme Decomposition Wastewater, adds protease
Substantial amounts of sericin in Decomposition Wastewater, the oxidation of fat and protein and decomposition and consumption after discharge of wastewater is avoided largely to dissolve
Oxygen, mitigate environment and water pollution, obtain enzymolysis waste water；
（3）One time fermentation：Sodium selenite is added into enzymolysis waste water, suppresses wastewater oxidation, increases the mineral element in waste water, profit
In later stage microbial growth, it is 0.06% to make mass concentration, and lactic acid bacteria is accessed after well mixed, is fermented 2 days in 35 DEG C, using useless
Nutritional ingredient in water promotes a large amount of Extracellular metabolisms caused by growing microorganism to promote growing microorganism, beneficial to plant and moves
Thing grows, and obtains one time fermentation waste water；
（4）Secondary fermentation：EM bacterium are accessed into one time fermentation waste water, it is 5% to make mass concentration, is fermented 8 days in 26 DEG C, is enriched useless
Beneficial microbe colony in water, a large amount of organic principles in waste water are fully converted, is easy to recycle after discharge, avoids to ring
Border and the pollution in river, obtain secondary fermentation waste water；
（5）Discharge：By secondary fermentation waste water through 60 ~ 80 mesh screens, waste discharge is obtained.
The step（1）PH regulations, using solution be sodium carbonate liquor that mass concentration is 6% or volume fraction is 3%
Acetum.
The step（2）Complex enzyme, be made up of lipase and pectase, the weight ratio of lipase and pectase is 11:
1。
The step（2）Protease, be bromelain, mass concentration 0.08%.
The step（3）Lactic acid bacteria, mass concentration 4%, be made up of the bacterial strain of following parts by weight：Lactobacillus acidophilus 18,
Streptococcus thermophilus 13, Lactobacillus plantarum 8, Bu Shi lactobacillus 5, each bacterial strain pass through re-activation.
The waste discharge that a kind of processing method of the degumming silkworm cocoons waste water is prepared.
The application method of the waste discharge, can be used as nutrient solution be used for plant irrigation, animal drink, aquaculture or work
It is direct discharging of waste water in river.
Embodiment 3
A kind of processing method of degumming silkworm cocoons waste water, comprises the following steps：
（1）Acid-base accommodation：Degumming waste water progress pH is adjusted to 5.3 ~ 5.6, degumming waste water is reduced soda acid excitant, after being beneficial to
Phase is handled, and is improved treatment effect, is obtained acid-base accommodation waste water；
（2）Enzymolysis：Complex enzyme is added into acid-base accommodation waste water, it is 0.06% to make mass concentration, stirring enzymolysis 3 hours, adds egg
White enzyme, continues enzymolysis 5 hours, first adds the fat and pectin composition of macromolecular in complex enzyme Decomposition Wastewater, adds protease
Substantial amounts of sericin in Decomposition Wastewater, the oxidation of fat and protein and decomposition and consumption after discharge of wastewater is avoided largely to dissolve
Oxygen, mitigate environment and water pollution, obtain enzymolysis waste water；
（3）One time fermentation：Sodium selenite is added into enzymolysis waste water, suppresses wastewater oxidation, increases the mineral element in waste water, profit
In later stage microbial growth, it is 0.07% to make mass concentration, and lactic acid bacteria is accessed after well mixed, is fermented 3 days in 36 DEG C, using useless
Nutritional ingredient in water promotes a large amount of Extracellular metabolisms caused by growing microorganism to promote growing microorganism, beneficial to plant and moves
Thing grows, and obtains one time fermentation waste water；
（4）Secondary fermentation：EM bacterium are accessed into one time fermentation waste water, it is 6% to make mass concentration, is fermented 9 days in 28 DEG C, is enriched useless
Beneficial microbe colony in water, a large amount of organic principles in waste water are fully converted, is easy to recycle after discharge, avoids to ring
Border and the pollution in river, obtain secondary fermentation waste water；
（5）Discharge：By secondary fermentation waste water through 60 ~ 80 mesh screens, waste discharge is obtained.
The step（1）PH regulations, using solution be sodium carbonate liquor that mass concentration is 7% or volume fraction is 4%
Acetum.
The step（2）Complex enzyme, be made up of lipase and pectase, the weight ratio of lipase and pectase is 12:
1。
The step（2）Protease, be bromelain, mass concentration 0.09%.
The step（3）Lactic acid bacteria, mass concentration 5%, be made up of the bacterial strain of following parts by weight：Lactobacillus acidophilus 19,
Streptococcus thermophilus 14, Lactobacillus plantarum 9, Bu Shi lactobacillus 6, each bacterial strain pass through re-activation.
The waste discharge that a kind of processing method of the degumming silkworm cocoons waste water is prepared.
The application method of the waste discharge, can be used as nutrient solution be used for plant irrigation, animal drink, aquaculture or work
It is direct discharging of waste water in river.
Comparative example 1
Removal step（1）, remaining method, with embodiment 1.
Comparative example 2
Removal step（2）In complex enzyme, remaining method, with embodiment 1.
Comparative example 3
Removal step（2）In protease, remaining method, with embodiment 1.
Comparative example 4
Removal step（3）In sodium selenite, remaining method, with embodiment 1.
Comparative example 5
Removal step（3）In lactic acid bacteria, remaining method, with embodiment 1.
Comparative example 6
Removal step（4）In EM bacterium, remaining method, with embodiment 1.
The treatment effect of embodiment and comparative example degumming silkworm cocoons method of wastewater treatment：
Randomly select with a batch of degumming silkworm cocoons waste water 100L, be randomly divided into 10 groups, it is every group of 10L, respectively embodiment group, right
The waste water of ratio group and control group, embodiment group and comparative example group carries out wastewater treatment using the processing method of the group respectively, right
According to group waste water without any processing, protein content, fat content, the COD of each group waste discharge are detected after the completion of processing（Change
Learn oxygen demand）And BOD5（Biochemical oxygen demand (BOD)）, the treatment effect of embodiment and comparative example degumming silkworm cocoons method of wastewater treatment is shown in Table
1。
Table 1：The treatment effect of embodiment and comparative example degumming silkworm cocoons method of wastewater treatment
| Project | Protein/(%) | Fat/(%) | COD/(mg/L) | BOD5/(mg/L) |
| Embodiment 1 | 0.020 | 0.003 | 136 | 105 |
| Embodiment 2 | 0.023 | 0.003 | 143 | 109 |
| Embodiment 3 | 0.021 | 0.003 | 139 | 107 |
| Comparative example 1 | 0.047 | 0.009 | 514 | 365 |
| Comparative example 2 | 0.052 | 0.106 | 3859 | 2482 |
| Comparative example 3 | 0.274 | 0.047 | 6436 | 3652 |
| Comparative example 4 | 0.039 | 0.005 | 478 | 334 |
| Comparative example 5 | 0.163 | 0.054 | 1635 | 977 |
| Comparative example 6 | 0.181 | 0.068 | 3432 | 1143 |
| Control group | 0.752 | 0.182 | 8657 | 4531 |
Show from the result of table 1, the processing method of the degumming silkworm cocoons waste water of embodiment, the protein and fat remained in waste water is bright
Show, COD few compared with comparative example and control group（COD）And BOD5（Biochemical oxygen demand (BOD)）It is significantly less than comparative example and control group,
Illustrating the processing method of degumming silkworm cocoons waste water provided by the invention has good treatment effect.
Claims (7)
1. a kind of processing method of degumming silkworm cocoons waste water, it is characterised in that comprise the following steps：
（1）Acid-base accommodation：Degumming waste water progress pH is adjusted to 5.3 ~ 5.6, obtains acid-base accommodation waste water；
（2）Enzymolysis：Complex enzyme is added into acid-base accommodation waste water, it is 0.04 ~ 0.06% to make mass concentration, and stirring enzymolysis 2 ~ 3 is small
When, protease is added, continues enzymolysis 4 ~ 5 hours, obtains enzymolysis waste water；
（3）One time fermentation：Sodium selenite is added into enzymolysis waste water, it is 0.05 ~ 0.07% to make mass concentration, well mixed to be followed by
Enter lactic acid bacteria, fermented 2 ~ 3 days in 34 ~ 36 DEG C, obtain one time fermentation waste water；
（4）Secondary fermentation：EM bacterium are accessed into one time fermentation waste water, it is 4 ~ 6% to make mass concentration, is fermented 7 ~ 9 days in 24 ~ 28 DEG C,
Obtain secondary fermentation waste water；
（5）Discharge：By secondary fermentation waste water through 60 ~ 80 mesh screens, waste discharge is obtained.
2. the processing method of degumming silkworm cocoons waste water according to claim 1, it is characterised in that the step（1）PH regulation,
The use of solution is the sodium carbonate liquor that mass concentration is 5 ~ 7% or the acetum that volume fraction is 3 ~ 4%.
3. the processing method of degumming silkworm cocoons waste water according to claim 1, it is characterised in that the step（2）Complex enzyme,
It is made up of lipase and pectase, the weight ratio of lipase and pectase is 10 ~ 12:1.
4. the processing method of degumming silkworm cocoons waste water according to claim 1, it is characterised in that the step（2）Protease,
For bromelain, mass concentration is 0.07 ~ 0.09%.
5. the processing method of degumming silkworm cocoons waste water according to claim 1, it is characterised in that the step（3）Lactic acid bacteria,
Mass concentration is 3 ~ 5%, is made up of the bacterial strain of following parts by weight：Lactobacillus acidophilus 17 ~ 19, streptococcus thermophilus 12 ~ 14, plant breast
Bacillus 7 ~ 9, Bu Shi lactobacillus 4 ~ 6, each bacterial strain pass through re-activation.
6. the waste discharge that a kind of processing method of any one of claim 1 ~ 5 degumming silkworm cocoons waste water is prepared.
7. the application method of waste discharge described in a kind of claim 6, it is characterised in that nutrient solution can be used as to be filled for plant
Irrigate, animal is drunk, aquaculture or conduct direct discharging of waste water are in river.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108947679A (en) * | 2018-08-17 | 2018-12-07 | 江西省峯野生物科技有限公司 | A kind of microbial organic fertilizer and preparation method thereof |
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Application publication date: 20171124 |