CN106745587A - The process for primary treatment of synthetic leather high ammonia-nitrogen wastewater - Google Patents
The process for primary treatment of synthetic leather high ammonia-nitrogen wastewater Download PDFInfo
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- CN106745587A CN106745587A CN201611090685.9A CN201611090685A CN106745587A CN 106745587 A CN106745587 A CN 106745587A CN 201611090685 A CN201611090685 A CN 201611090685A CN 106745587 A CN106745587 A CN 106745587A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
The invention discloses a kind of process for primary treatment of synthetic leather high ammonia-nitrogen wastewater, it is related to synthetic leather processing technical field, comprises the following steps：(1) hardness regulation, (2) pressure-filtering deslaggings, the treatment of (3) sedimentation agent, (4) secondary pressure-filtering deslagging.Processing method of the present invention is applied to the coagulation of synthetic leather high ammonia-nitrogen wastewater, and the method is easy to operate, equipment investment low cost, disposably by the ammonia-nitrogen content reduction by 75 80% in synthetic leather waste water can play a part of effectively to remove ammonia nitrogen pollutant.
Description
Technical field：
The present invention relates to synthetic leather processing technical field, and in particular to a kind of coagulation side of synthetic leather high ammonia-nitrogen wastewater
Method.
Background technology：
Synthetic leather refers to, to weave cotton cloth, in the base fabric of the material such as non-woven fabrics, leather, to form polyurethane in artificial synthesized mode
The film layer of resin or the structure of leather-like, outward appearance is as a kind of material of natural leather.The waste water main source of synthetic leather industry
Line waste water, mill floor flushing water, plant area's road surface flushing water and plant area's sanitary sewage, wet-dry change production line are rubbed between rub whim former
Charging basket cleaning waste water, production line flushing water, DMF recovery towers condensed water, the periodic flushing water of recovery tower, the solidification of wet production line
Groove flushing water and storage tank flushing water, are mainly characterized by " double high ", i.e., CODCr high and NH high3-N。
In recent years, the processing method to high ammonia-nitrogen wastewater mainly includes biological denitrificaion method, ammonia aeration vaporizing extract process, breakpoint chlorination
Method, chemical precipitation method, ion-exchange, liquid-film method and soil irrigation method etc., but majority has that processing cost is high or treatment effect
Poor shortcoming, is not suitable for the treatment of high-volume synthetic leather high ammonia-nitrogen wastewater.For this case, our company develops a kind of conjunction
The process for primary treatment of finished leather high ammonia-nitrogen wastewater, can be reduced the ammonia-nitrogen content in synthetic leather waste water by the preprocess method
75-80%.
The content of the invention：
The technical problems to be solved by the invention are to provide an a kind of easy to operate and performance to reduce ammonia-nitrogen content
The process for primary treatment of the synthetic leather high ammonia-nitrogen wastewater of 75-80%.
The technical problems to be solved by the invention are realized using following technical scheme：
The process for primary treatment of synthetic leather high ammonia-nitrogen wastewater, comprises the following steps：
(1) hardness regulation：The high ammonia-nitrogen wastewater given off from synthetic leather workshop is introduced into regulating reservoir, and adds milk of lime
Regulation waste water total hardness is less than 450mg/L, obtains final product soft waste water；
(2) pressure-filtering deslaggings：Soft waste water is introduced into a filter press, press filtration removes suspension therein and sinks
Starch, obtains final product through the waste water after a press filtration；
(3) sedimentation agent treatment：To be introduced into settling tank through the waste water after a press filtration, according to waste water and sedimentation agent mass ratio
100:The ratio of 1-2 adds sedimentation agent, and is stirred in the way of 1 ton of waste water mixing speed 150r/min mixings time 30min
Treatment is mixed, stirring stands 8-12h after terminating, and obtains final product the waste water after being processed through sedimentation agent；
(4) secondary pressure-filtering deslagging：Waste water after being processed through sedimentation agent is introduced into secondary filter press, and press filtration removes therein
Suspension and sediment, obtain final product through the waste water after coagulation；
The sedimentation agent is made up of the raw material of following parts by weight：Wheat stalk 15-20 parts, corncob 10-15 parts, rice chaff
Grey 5-10 parts, bagasse 5-10 parts, volcanic ash 3-6 parts, PAMA 2-4 parts, microcrystalline cellulose 1-2 parts, nanometer
Rubber powder 1-2 parts, bitter buckwheat flour 0.5-1 parts, starch from sweet potato 0.5-1 parts, 0.5-1 parts of sepiolite fibre powder, saleratus power 0.3-0.5
Part, the water content of the wheat stalk, corncob and bagasse is less than 5%；Its preparation method is：By wheat stalk, corncob
Particle mean size is made for 20 μm of powder using micronizer with bagasse, adds rice chaff ash, volcanic ash and sepiolite fibre
Powder, and 100-110 DEG C of insulation mixing 10-15min is warming up to the programming rate of 10 DEG C/min, it is subsequently adding anion pp
Acid amides, microcrystalline cellulose and nanometer rubber powder, continue to be incubated mixing 5-10min, are then cooled to the cooling rate of 5 DEG C/min
Bitter buckwheat flour, starch from sweet potato and saleratus power are added after 35-40 DEG C, are sufficiently mixed uniformly, gained mixture is transferred in ball mill,
Fineness is milled to less than 10 μm, sedimentation agent is obtained final product.
The nanometer rubber powder is made up of the raw material of following parts by weight：Dcpd resin 5-10 parts, bismaleimide
Polyimide resin 3-6 parts, chlorinated polyethylene rubber 2-4 parts, hydrophobic nano-silica 2-4 parts, Tissuemat E 1-2 parts, vulcanization pig
Oily 1-2 parts, super fine magnesia 1-2 parts, hexadecyltrimethylammonium chloride 0.5-1 parts, coal tar 0.5-1 parts, lanthana 0.1-
0.3 part, its preparation method is：To addition bimaleimide resin, chlorinated polyethylene rubber and coal in dcpd resin
Tar, utilizes microwave treater microwave treatment 5min after being sufficiently mixed, continue microwave treatment 5min after standing 15min, and add
Tissuemat E, sulfurized lard and hexadecyltrimethylammonium chloride, microwave treatment 5min again after being well mixed, then add while hot
Hydrophobic nano-silica, super fine magnesia and lanthana, are sufficiently mixed uniformly, are then dropped with the cooling rate of 10 DEG C/min
Temperature, is incubated mixing 15min after temperature is down to 0-5 DEG C, is then heated up with the programming rate of 5 DEG C/min, treats that temperature rises to 125-
Mixing 30min is incubated after 130 DEG C, the cooling of gained mixture natural cooling sends into nano-level grinder after temperature is down to 35-40 DEG C
In, a nanometer rubber powder is obtained final product after being fully ground.
Above-mentioned made nanometer rubber powder has excellent absorption and flocculation, can effectively reduce the ammonia-nitrogen content in waste water.
The hydrophobic nano-silica is obtained by the hydrophobically modified treatment of superfine silicon dioxide, and its processing method is：
To 1-2 parts of ultra-fine polytetrafluorethylepowder powder, 0.5-1 parts of hydrogenated castor oleic acid and 0.5-1 of addition in 15-20 parts of superfine silicon dioxide
Part hydrogenated rosin glyceride, utilizes microwave treater microwave treatment 5min, then be transferred to standing in 40-50 DEG C of environment after being sufficiently mixed
1h, then microwave treatment 5min, the cooling of gained mixture natural cooling again, adds 10-15 DEG C after temperature is down to 70-80 DEG C
In cold water, it is sufficiently mixed, and stands 30min, filter, in gained precipitation feeding freeze drier, will finally dries gained solid
In feeding nano-level grinder, hydrophobic nano-silica is obtained final product after being fully ground.
The condition of work of the microwave treater is microwave frequency 2450MHz, power 700W.
The particle mean size of the nanometer rubber powder is 20nm.
The particle mean size of the superfine silicon dioxide is 20 μm, and the particle mean size of ultra-fine polytetrafluorethylepowder powder is 5 μm.
The particle mean size of the hydrophobic nano-silica is 30nm.
The beneficial effects of the invention are as follows：Processing method of the present invention is applied at the one-level of synthetic leather high ammonia-nitrogen wastewater
Reason, the method is easy to operate, equipment investment low cost, the ammonia-nitrogen content in synthetic leather waste water disposably can be reduced into 75-80%,
Play a part of effectively to remove ammonia nitrogen pollutant；Common biological treatment need to be only utilized through the waste water later stage after the coagulation
Method, you can remove more than 99% ammonia nitrogen pollutant, so as to mitigate pollution of the synthetic leather waste water to environment.
Specific embodiment：
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
(1) hardness regulation：The high ammonia-nitrogen wastewater given off from synthetic leather workshop is introduced into regulating reservoir, and adds milk of lime
Regulation waste water total hardness is less than 450mg/L, obtains final product soft waste water；
(2) pressure-filtering deslaggings：Soft waste water is introduced into a filter press, press filtration removes suspension therein and sinks
Starch, obtains final product through the waste water after a press filtration；
(3) sedimentation agent treatment：To be introduced into settling tank through the waste water after a press filtration, according to waste water and sedimentation agent mass ratio
100:1 ratio adds sedimentation agent, and is stirred in the way of 1 ton of waste water mixing speed 150r/min mixings time 30min
Treatment, stirring stands 8h after terminating, and obtains final product the waste water after being processed through sedimentation agent；
(4) secondary pressure-filtering deslagging：Waste water after being processed through sedimentation agent is introduced into secondary filter press, and press filtration removes therein
Suspension and sediment, obtain final product through the waste water after coagulation.
The preparation of sedimentation agent：
20 parts of wheat stalks, 10 parts of corncobs and 5 portions of bagasse by water content less than 5% are made using micronizer
Particle mean size is 20 μm of powder, adds 5 parts of rice chaff ashes, 3 parts of volcanic ash and 0.5 part of sepiolite fibre powder, and with 10 DEG C/min
Programming rate be warming up to 100-110 DEG C insulation mixing 15min, be subsequently adding 2 parts of PAMAs, 2 parts of crystallite fibres
Plain and 1 part of nanometer rubber powder is tieed up, is continued insulation and is mixed 10min, added after being then cooled to 35-40 DEG C with the cooling rate of 5 DEG C/min
Enter 0.5 part of bitter buckwheat flour, 0.5 part of starch from sweet potato and 0.3 part of saleratus power, be sufficiently mixed uniformly, gained mixture is transferred to ball milling
In machine, fineness is milled to less than 10 μm, obtain final product sedimentation agent.
The preparation of nanometer rubber powder：
To 5 parts of bimaleimide resins, 2 parts of chlorinated polyethylene rubbers and 0.5 of addition in 10 parts of dcpd resins
Part coal tar, utilizes microwave frequency 2450MHz, the microwave treater microwave treatment 5min of power 700W after being sufficiently mixed, stand
Continue microwave treatment 5min after 15min, and add 2 parts of Tissuemat Es, 1 part of sulfurized lard and 0.5 part of cetyl trimethyl chlorine
Change ammonium, microwave treatment 5min again after being well mixed, then 3 parts of hydrophobic nano-silicas, 2 parts of super fine magnesias are added while hot
With 0.2 part of lanthana, it is sufficiently mixed uniformly, is then lowered the temperature with the cooling rate of 10 DEG C/min, is incubated after temperature is down to 0-5 DEG C
Mixing 15min, is then heated up with the programming rate of 5 DEG C/min, and mixing 30min, gained are incubated after temperature rises to 125-130 DEG C
Mixture natural cooling is lowered the temperature, and is sent into after temperature is down to 35-40 DEG C in nano-level grinder, and average grain is obtained final product after being fully ground
Spend the nanometer rubber powder for 20nm.
The preparation of hydrophobic nano-silica：
To 1 part of ultra-fine polytetrafluoro that addition particle mean size in 20 parts of superfine silicon dioxides that particle mean size is 20 μm is 5 μm
Ethylene powder, 0.5 part of hydrogenated castor oleic acid and 0.5 part of hydrogenated rosin glyceride, utilize microwave frequency after being sufficiently mixed
The microwave treater microwave treatment 5min of 2450MHz, power 700W, then be transferred in 40-50 DEG C of environment and stand 1h, it is then micro- again
Ripple processes 5min, and the cooling of gained mixture natural cooling is added in 10-15 DEG C of cold water after temperature is down to 70-80 DEG C, fully mixed
Close, and stand 30min, filter, in gained precipitation feeding freeze drier, will finally dry gained solid feeding nano-level grinder
In, the hydrophobic nano-silica that particle mean size is 30nm is obtained final product after being fully ground.
Embodiment 2
(1) hardness regulation：The high ammonia-nitrogen wastewater given off from synthetic leather workshop is introduced into regulating reservoir, and adds milk of lime
Regulation waste water total hardness is less than 450mg/L, obtains final product soft waste water；
(2) pressure-filtering deslaggings：Soft waste water is introduced into a filter press, press filtration removes suspension therein and sinks
Starch, obtains final product through the waste water after a press filtration；
(3) sedimentation agent treatment：To be introduced into settling tank through the waste water after a press filtration, according to waste water and sedimentation agent mass ratio
100:1 ratio adds sedimentation agent, and is stirred in the way of 1 ton of waste water mixing speed 150r/min mixings time 30min
Treatment, stirring stands 8h after terminating, and obtains final product the waste water after being processed through sedimentation agent；
(4) secondary pressure-filtering deslagging：Waste water after being processed through sedimentation agent is introduced into secondary filter press, and press filtration removes therein
Suspension and sediment, obtain final product through the waste water after coagulation.
The preparation of sedimentation agent：
15 parts of wheat stalks, 10 parts of corncobs and 5 portions of bagasse by water content less than 5% are made using micronizer
Particle mean size is 20 μm of powder, adds 5 parts of rice chaff ashes, 3 parts of volcanic ash and 0.5 part of sepiolite fibre powder, and with 10 DEG C/min
Programming rate be warming up to 100-110 DEG C insulation mixing 15min, be subsequently adding 3 parts of PAMAs, 1 part of crystallite fibre
Plain and 1 part of nanometer rubber powder is tieed up, is continued insulation and is mixed 10min, added after being then cooled to 35-40 DEG C with the cooling rate of 5 DEG C/min
Enter 0.5 part of bitter buckwheat flour, 0.5 part of starch from sweet potato and 0.3 part of saleratus power, be sufficiently mixed uniformly, gained mixture is transferred to ball milling
In machine, fineness is milled to less than 10 μm, obtain final product sedimentation agent.
The preparation of nanometer rubber powder：
To 5 parts of bimaleimide resins of addition, 3 parts of chlorinated polyethylene rubbers and 0.5 part in 8 parts of dcpd resins
Coal tar, utilizes microwave frequency 2450MHz, the microwave treater microwave treatment 5min of power 700W after being sufficiently mixed, stand
Continue microwave treatment 5min after 15min, and add 1 part of Tissuemat E, 1 part of sulfurized lard and 0.5 part of cetyl trimethyl chlorine
Change ammonium, microwave treatment 5min again after being well mixed, then 4 parts of hydrophobic nano-silicas, 1 part of super fine magnesia are added while hot
With 0.2 part of lanthana, it is sufficiently mixed uniformly, is then lowered the temperature with the cooling rate of 10 DEG C/min, is incubated after temperature is down to 0-5 DEG C
Mixing 15min, is then heated up with the programming rate of 5 DEG C/min, and mixing 30min, gained are incubated after temperature rises to 125-130 DEG C
Mixture natural cooling is lowered the temperature, and is sent into after temperature is down to 35-40 DEG C in nano-level grinder, and average grain is obtained final product after being fully ground
Spend the nanometer rubber powder for 20nm.
The preparation of hydrophobic nano-silica：
To 1 part of ultra-fine polytetrafluoro that addition particle mean size in 15 parts of superfine silicon dioxides that particle mean size is 20 μm is 5 μm
Ethylene powder, 0.5 part of hydrogenated castor oleic acid and 0.5 part of hydrogenated rosin glyceride, utilize microwave frequency after being sufficiently mixed
The microwave treater microwave treatment 5min of 2450MHz, power 700W, then be transferred in 40-50 DEG C of environment and stand 1h, it is then micro- again
Ripple processes 5min, and the cooling of gained mixture natural cooling is added in 10-15 DEG C of cold water after temperature is down to 70-80 DEG C, fully mixed
Close, and stand 30min, filter, in gained precipitation feeding freeze drier, will finally dry gained solid feeding nano-level grinder
In, the hydrophobic nano-silica that particle mean size is 30nm is obtained final product after being fully ground.
Embodiment 3
Embodiment 1 and processing method described in embodiment 2 are used for the coagulation of synthetic leather high ammonia-nitrogen wastewater, and to treatment
Effect is measured.
Measurement result shows that processing method carries out one to synthetic leather high ammonia-nitrogen wastewater using embodiment 1 and described in embodiment 2
After level treatment, respectively can be by the ammonia-nitrogen content reduction by 76.85% and 78.19% in waste water.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (7)
1. the process for primary treatment of synthetic leather high ammonia-nitrogen wastewater, it is characterised in that comprise the following steps：
(1) hardness regulation：The high ammonia-nitrogen wastewater given off from synthetic leather workshop is introduced into regulating reservoir, and adds milk of lime to adjust
Waste water total hardness is less than 450mg/L, obtains final product soft waste water；
(2) pressure-filtering deslaggings：Soft waste water is introduced into a filter press, press filtration removes suspension therein and precipitation
Thing, obtains final product through the waste water after a press filtration；
(3) sedimentation agent treatment：To be introduced into settling tank through the waste water after a press filtration, according to waste water and sedimentation agent mass ratio 100:
The ratio of 1-2 adds sedimentation agent, and is stirred place in the way of 1 ton of waste water mixing speed 150r/min mixings time 30min
Reason, stirring stands 8-12h after terminating, and obtains final product the waste water after being processed through sedimentation agent；
(4) secondary pressure-filtering deslagging：Waste water after being processed through sedimentation agent is introduced into secondary filter press, and press filtration removes suspension therein
Thing and sediment, obtain final product through the waste water after coagulation；
The sedimentation agent is made up of the raw material of following parts by weight：Wheat stalk 15-20 parts, corncob 10-15 parts, rice chaff ash 5-
10 parts, bagasse 5-10 parts, volcanic ash 3-6 parts, PAMA 2-4 parts, microcrystalline cellulose 1-2 parts, nanometer rubber powder
1-2 parts, bitter buckwheat flour 0.5-1 parts, starch from sweet potato 0.5-1 parts, 0.5-1 parts of sepiolite fibre powder, saleratus power 0.3-0.5 parts,
The water content of the wheat stalk, corncob and bagasse is less than 5%；Its preparation method is：By wheat stalk, corncob and sweet
Bagasse is made particle mean size for 20 μm of powder using micronizer, adds rice chaff ash, volcanic ash and sepiolite fibre powder, and
With the programming rate of 10 DEG C/min be warming up to 100-110 DEG C insulation mixing 10-15min, be subsequently adding PAMA,
Microcrystalline cellulose and nanometer rubber powder, continue to be incubated mixing 5-10min, are then cooled to 35-40 DEG C with the cooling rate of 5 DEG C/min
Bitter buckwheat flour, starch from sweet potato and saleratus power being added afterwards, being sufficiently mixed uniformly, gained mixture is transferred in ball mill, is milled to
Fineness is less than 10 μm, obtains final product sedimentation agent.
2. the process for primary treatment of synthetic leather high ammonia-nitrogen wastewater according to claim 1, it is characterised in that：The nanometre glue
Powder is made up of the raw material of following parts by weight：Dcpd resin 5-10 parts, bimaleimide resin 3-6 parts, chlorination gather
Ethylene rubber 2-4 parts, hydrophobic nano-silica 2-4 parts, Tissuemat E 1-2 parts, sulfurized lard 1-2 parts, super fine magnesia
1-2 parts, hexadecyltrimethylammonium chloride 0.5-1 parts, coal tar 0.5-1 parts, lanthana 0.1-0.3 parts, its preparation method is：
To bimaleimide resin, chlorinated polyethylene rubber and coal tar is added in dcpd resin, utilized after being sufficiently mixed
Microwave treater microwave treatment 5min, stand 15min after continue microwave treatment 5min, and add Tissuemat E, sulfurized lard and
Hexadecyltrimethylammonium chloride, microwave treatment 5min again after being well mixed, then add while hot hydrophobic nano-silica,
Super fine magnesia and lanthana, are sufficiently mixed uniformly, are then lowered the temperature with the cooling rate of 10 DEG C/min, treat that temperature is down to 0-5 DEG C
Insulation mixing 15min, is then heated up with the programming rate of 5 DEG C/min afterwards, and mixing is incubated after temperature rises to 125-130 DEG C
30min, gained mixture natural cooling cooling, after temperature is down to 35-40 DEG C in feeding nano-level grinder, after being fully ground
Obtain final product a nanometer rubber powder.
3. the process for primary treatment of synthetic leather high ammonia-nitrogen wastewater according to claim 2, it is characterised in that：The hydrophobicity
Nano silicon is obtained by the hydrophobically modified treatment of superfine silicon dioxide, and its processing method is：To 15-20 parts of ultra-fine titanium dioxide
1-2 parts of ultra-fine polytetrafluorethylepowder powder, 0.5-1 parts of hydrogenated castor oleic acid and 0.5-1 parts of hydrogenated rosin glyceride are added in silicon, is filled
Microwave treater microwave treatment 5min is utilized after point mixing, then is transferred in 40-50 DEG C of environment and is stood 1h, then microwave treatment again
5min, gained mixture natural cooling cooling is added in 10-15 DEG C of cold water after temperature is down to 70-80 DEG C, is sufficiently mixed, and
30min is stood, filtering, gained precipitation is sent into freeze drier, will finally dried in gained solid feeding nano-level grinder, passed through
Hydrophobic nano-silica is obtained final product after being fully ground.
4. the process for primary treatment of the synthetic leather high ammonia-nitrogen wastewater according to Claims 2 or 3, it is characterised in that：It is described micro-
The condition of work of ripple processor is microwave frequency 2450MHz, power 700W.
5. the process for primary treatment of synthetic leather high ammonia-nitrogen wastewater according to claim 1 and 2, it is characterised in that：It is described to receive
The particle mean size of rice glue powder is 20nm.
6. the process for primary treatment of synthetic leather high ammonia-nitrogen wastewater according to claim 3, it is characterised in that：Described ultra-fine two
The particle mean size of silica is 20 μm, and the particle mean size of ultra-fine polytetrafluorethylepowder powder is 5 μm.
7. the process for primary treatment of synthetic leather high ammonia-nitrogen wastewater according to claim 3, it is characterised in that：The hydrophobicity
The particle mean size of nano silicon is 30nm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107352673A (en) * | 2017-06-07 | 2017-11-17 | 常州海瑞纺织品有限公司 | A kind of processing method of pottery waste water |
| CN108298654A (en) * | 2018-01-25 | 2018-07-20 | 胡瑞滢 | The preparation method of sanitary sewage coagulation nano composite flocculant |
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| CN103880221A (en) * | 2014-04-15 | 2014-06-25 | 中国皮革和制鞋工业研究院 | Process for treating and recycling wet finishing mixing wastewater in leather production |
| CN104835545A (en) * | 2015-03-19 | 2015-08-12 | 西南科技大学 | Method for deeply purifying and recovering hyperhaline fluoric-u radioactive waste solution |
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| CN103880221A (en) * | 2014-04-15 | 2014-06-25 | 中国皮革和制鞋工业研究院 | Process for treating and recycling wet finishing mixing wastewater in leather production |
| CN104835545A (en) * | 2015-03-19 | 2015-08-12 | 西南科技大学 | Method for deeply purifying and recovering hyperhaline fluoric-u radioactive waste solution |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107352673A (en) * | 2017-06-07 | 2017-11-17 | 常州海瑞纺织品有限公司 | A kind of processing method of pottery waste water |
| CN107352673B (en) * | 2017-06-07 | 2021-05-28 | 义乌市君胜科技有限公司 | Treatment method of ceramic production wastewater |
| CN108298654A (en) * | 2018-01-25 | 2018-07-20 | 胡瑞滢 | The preparation method of sanitary sewage coagulation nano composite flocculant |
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