CN110028137A - A kind of Electro Sorb material and application removing water body low price ion and COD - Google Patents
A kind of Electro Sorb material and application removing water body low price ion and COD Download PDFInfo
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- CN110028137A CN110028137A CN201910337388.7A CN201910337388A CN110028137A CN 110028137 A CN110028137 A CN 110028137A CN 201910337388 A CN201910337388 A CN 201910337388A CN 110028137 A CN110028137 A CN 110028137A
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- cod
- low price
- water body
- electro sorb
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
Abstract
The invention discloses a kind of Electro Sorb material and applications for removing water body low price ion and COD.1 oxidizing roasting of presoma, vaporization at high temperature are formed superfine nano particle MoO using graphite, lignite, weathered coal as presoma 2 using low-grade sulphide ore containing molybdenum, molybdenite, molybdenite tailing as presoma 1 by this method3；Presoma 2 is uniformly mixed, active ingredient carriers are made in roasting, Ultrafine Grinding；It is acted on using vapor deposition by superfine nano particle MoO3The composite material containing active material, conductive matter is prepared in uniform load to active ingredient carriers；Then binder is added, molding prepares Electro Sorb material；Electro Sorb material is used for ion containing low price and high COD water body adsorption cleaning, low price ion remaval rate reaches 98% or more up to 95%, COD removal rate.
Description
Technical field
The invention belongs to low-quality mineral products, the technical field of solid wastes recycling utilization and waste water treatment, and in particular to a kind of
Remove Electro Sorb material and the application of water body low price ion and COD.
Background technique
With the fast development of China's chemical industry, various novel chemical products are applied to all trades and professions, especially
In the industry of the heavily contaminateds such as medicine, chemical industry, plating, printing and dyeing, also with the ring got worse while improving product quality, quality
Border pollution problem, is mainly manifested in: high salinity, organic pollutant concentration height, stable structure, biochemical are poor, and common process is difficult to
Realize qualified discharge, and processing cost is high.Water body rich in low price ion and COD has serious inhibition to the growth of microorganism
Effect and toxic action；COD in water body content is higher, will lead to aquatile anoxic, death, causes the serious pollution of water quality.
A part has the organic matter of more virulent evil, can endanger plant, animal or even mankind itself with the extension of biological chain.For this
Kind status, has carried out a large amount of research in terms of the removal of water body low price ion and COD both at home and abroad.For example, Zhang Feng is in " COD drop
It is proposed in the cultural method of solution bacterium " (CN106957800A) and cultivates COD degradation bacterium using nutrient agar, it can be effective
The degradation rate of COD is improved, but the cultivating process of the degradation bacteria is complex, condition is difficult to control, and degradation cycle is long.Yu Lianzhang
It proposes Deng in " a kind of high-COD waste water processing system with high salt and technique " (CN109205872A) by filtering-electrodialysis-coagulation
The several units of precipitating-evaporating, concentrating and crystallizing-degradation combine, the extraction of salt and the degradation of COD in realization water body, but the technique mistake
Journey is complex.Mao Qiangping is proposed in " a kind of processing method of high-COD waste water with high salt " (CN109111043A) will be with high salt
High-COD waste water carries out the combination of the operating units such as air bearing, coarse filtration, extraction, enzymatic hydrolysis, realizes the degradation to COD and Mg2+、Ca2+、
Zn2+The removal of villaumite, but technical process and condition are complex.
In conclusion at present for being primarily present complex process, energy consumption in the processing of low price ion and COD in water body
The problems such as height, the device is complicated.For these problems, scholars develop Electro Sorb technical treatment waste water, and Electro Sorb method has energy
The advantages that small, at low cost, equipment is simple is consumed, but is not suitable for effectively removing while low price ion and COD.Such as Wang Hui etc. exists
" application in a kind of multiple modified combination electrode material of ion selectivity, preparation method and Electro Sorb desalination "
(CN108911058A) it is proposed in by KOH solution and ZnCl2Felt class material is carried out to combine multiple alkali formula modification, and utilizes and leads
Modified felt class material and metal material are carried out compound adhesion and have prepared multiple modified electrode material by electric elargol.The material is used
When the desalt processing of big, complicated component the saliferous industrial wastewater of hardness, function and effect have the characteristics that it is monistic, to containing
The mixed solution treatment effect of COD and low price ion is bad.Therefore, for be rich in low price ion and high COD water body, propose with
Mineral resources are that raw material prepares new Electro Sorb material, have both realized the material utilization of conventional mineral resource, and have also achieved water
The purification of body pollution object.
Summary of the invention
Water body middle or low price ion and COD are handled there are complex process, energy consumption height for the prior art, the device is complicated, for
The problems such as property is single, the present invention provides a kind of removal water body low price ion and the Electro Sorb material of COD and preparation method thereof, can be with
The material utilization for realizing conventional mineral resource, also achieves the purification of water pollutant.
To achieve the goals above, the present invention adopts the following technical scheme that:
A kind of Electro Sorb material removing water body low price ion and COD, mass parts is formed are as follows: low-grade (grade of molybdenum is lower than
3wt% is simultaneously greater than 0) 60 ~ 80 parts of sulphide ore containing molybdenum, 10 ~ 20 parts of molybdenite (molybdenum content is higher than 55wt%), molybdenite tailing (molybdenum
Content is simultaneously greater than lower than 0.01wt% and 0) is used as presoma 1 for 10 ~ 20 parts, and presoma 1 is uniformly mixed, then roasts through low-temperature oxidation
It burns, vaporization at high temperature forms superfine nano particle MoO3；It is formed with mass parts are as follows: 15 ~ 30 parts of graphite, 30 ~ 50 parts of lignite, weathered coal
20 ~ 55 parts are used as presoma 2, and presoma 2 is uniformly mixed, and active ingredient carriers are made in roasting, Ultrafine Grinding；Using vapor deposition
Method is by superfine nano particle MoO3The composite material containing active material, conductive matter is obtained in uniform load to active ingredient carriers；
Then binder is added, forms, Electro Sorb material is made.
Further, 1 grain diameter of presoma is not more than 200 μm, and carbon mass content is not less than in the presoma 2
60%, grain diameter is not more than 200 μm.
Further, the low-temperature oxidation roasting temperature of the presoma 1 is 450 ~ 700 DEG C, calcining time 60min.
Further, the vaporization at high temperature condition of the presoma 1 is under air atmosphere, and temperature is 850 ~ 1050 DEG C, place
The reason time is 30min.
Further, the superfine nano particle MoO3Grain graininess be 10nm ~ 100nm.
Further, by 1100 ~ 1300 DEG C of 40 ~ 60min of roasting in a nitrogen atmosphere of presoma 2；Product after roasting is adopted
10 ~ 30min of Ultrafine Grinding, which is carried out, with planetary ball mill obtains active ingredient carriers；Active ingredient carriers grain graininess is not more than
200µm。
Further, the composite material molybdenum mass content is not less than 10%, and carbon average quality content is not less than 7%.
Further, the mass parts composition of the binder are as follows: 60 ~ 80 parts of humic acid, CMC10 ~ 25 part, PVDF10 ~ 15
Part, consumption of binder is the 5 ~ 10% of composite material quality.
Further, composite material is mixed with binder, is pressed into cylindrical type (diameter 0.1cm, height 10cm) or plate
Type (long 10cm, wide 10cm, thick 0.1cm).
The Electro Sorb material of above-mentioned removal water body low price ion and COD answering in removal waste water middle or low price ion and COD
With the low price ion in the waste water is K+、Na+、F-、Cl-One or more of, total concentration is 40 ~ 500mg/L；COD
Content is 40 ~ 10000mg/L；Wastewater pH is 3 ~ 7.Further, K in waste water+、Na+、F-、Cl-Concentration be 10 ~ 125mg/
L。
Beneficial effects of the present invention or advantage:
(1) the method for the invention realizes the resource utilizations of low-grade mineral and slag；
(2) the method for the invention realizes the efficient removal of water body middle or low price ion, the purification of water body is realized；
(3) method and process of the invention is simple, at low cost, it is easy to accomplish industrialized application.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
The present invention is further explained in the light of specific embodiments.It should be noted that these embodiments only for
The present invention is better understood, rather than limits the range that the present invention is protected.
Following embodiment middle-low grades sulphide ore containing molybdenum refers to that containing molybdenum sulphide ore, molybdenite of the grade lower than 3wt% of molybdenum are
Refer to that molybdenum content is higher than the molybdenite of 55wt%, molybdenite tailing refers to that molybdenum content is lower than the molybdenite tailing of 0.01wt%.
[embodiment 1]
It is a kind of removal water body low price ion and COD Electro Sorb material removal waste water middle or low price ion and COD in application, water
K in body+、Na+、F-、Cl-Total concentration is 40mg/L, and COD content is 500mg/L, liquor capacity 1000mL, pH 4.0.
As shown in Figure 1, preparing Electro Sorb material, specific step is as follows: mass parts group is become low-grade sulphide ore containing molybdenum
80 parts, 10 parts of molybdenite, 10 parts of molybdenite tailing, as presoma 1, grain diameter is 180 μm；It is in temperature by presoma 1
Oxidizing roasting under the conditions of 500 DEG C, calcining time 60min, by the product after roasting temperature be 850 DEG C under the conditions of vaporization at high temperature
60min forms superfine nano particle MoO3, grain graininess 40nm；Mass parts group is become into 15 parts of graphite, 30 parts of lignite, weathering
55 parts of coal are used as presoma 2, and wherein carbon mass content is 63%, and grain diameter is 170 μm；In a nitrogen atmosphere by presoma 2
1100oC roasts 40min；Product after roasting is subjected to Ultrafine Grinding 10min using planetary ball mill and obtains active ingredient carriers,
Grain graininess is 100 μm；By the superfine nano particle MoO of vaporization at high temperature3It is carried by vapor deposition used load to active material
Composite material is made on body, molybdenum mass content is 15%, and carbon average quality content is 8%.Prepare Electro Sorb material binder
Mass parts group becomes 60 parts of humic acid, CMC25 parts, PVDF15 parts, and consumption of binder is the 5% of composite material quality；By composite wood
Material is mixed with binder, and suppresses growth 10cm, and wide 10cm, thick 0.1cm are plate.Electro Sorb material is used for ion containing low price
With high COD water body adsorption cleaning, reaction time 20min, low price ion remaval rate is that 95.5%, COD removal rate is 98.3%, tool
See Table 1 for details for body result.
1 embodiment of table, 1 design parameter and result table
[embodiment 2]
It is a kind of removal water body low price ion and COD Electro Sorb material removal waste water middle or low price ion and COD in application, water
K in body+、Na+、F-、Cl-Total concentration is 100mg/L, and COD content is 1000mg/L, liquor capacity 1000ml, pH 5.0.
As shown in Figure 1, preparing Electro Sorb material, specific step is as follows: mass parts group is become low-grade sulphide ore containing molybdenum
75 parts, 12 parts of molybdenite, 13 parts of molybdenite tailing, as presoma 1, grain diameter is 170 μm；It is in temperature by presoma 1
Oxidizing roasting under the conditions of 550 DEG C, calcining time 70min, by the product after roasting temperature be 900 DEG C under the conditions of vaporization at high temperature
80min forms superfine nano particle MoO3, grain graininess 50nm；Mass parts group is become into 18 parts of graphite, 32 parts of lignite, weathering
50 parts of coal are used as presoma 2, and wherein carbon mass content is 55%, and grain diameter is 170 μm；In a nitrogen atmosphere by presoma 2
1150oC roasts 50min；Product after roasting is subjected to Ultrafine Grinding 15min using planetary ball mill and obtains active ingredient carriers,
Grain graininess is 80 μm；By the superfine nano particle MoO of vaporization at high temperature3Pass through vapor deposition used load to active ingredient carriers
Upper obtained composite material, molybdenum mass content are 10%, and carbon average quality content is 10%.Prepare the matter of Electro Sorb material binder
Measuring part group becomes 65 parts of humic acid, CMC22 parts, PVDF13 parts, and consumption of binder is the 6.5% of composite material quality；By composite wood
Material is mixed with binder, and suppresses growth 10cm, and wide 10cm, thick 0.1cm are plate.Electro Sorb material is used for ion containing low price
With high COD water body adsorption cleaning, reaction time 20min, low price ion remaval rate is 98.7% up to 95.8%, COD removal rate, is had
See Table 2 for details for body result.
2 embodiment of table, 2 design parameter and result table
[embodiment 3]
It is a kind of removal water body low price ion and COD Electro Sorb material removal waste water middle or low price ion and COD in application, water
K in body+、Na+、F-、Cl-Total concentration is 300mg/L, and COD content is 2000mg/L, liquor capacity 1000ml, pH 6.0.
As shown in Figure 1, preparing Electro Sorb material, specific step is as follows: mass parts group is become low-grade sulphide ore containing molybdenum
70 parts, 18 parts of molybdenite, 12 parts of molybdenite tailing, as presoma 1, grain diameter is 175 μm；It is in temperature by presoma 1
Oxidizing roasting under the conditions of 600 DEG C, calcining time 80min, by the product after roasting, high temperature is waved under the conditions of temperature is 1000 DEG C
It sends out 75min and forms superfine nano particle MoO3, grain graininess 30nm；Mass parts group is become into 20 parts of graphite, 40 parts of lignite, wind
Change 40 parts of coal and be used as presoma 2, wherein carbon mass content is 68%, and grain diameter is 150 μm；In a nitrogen atmosphere by presoma 2
1200oC roasts 60min；Product after roasting is subjected to Ultrafine Grinding 15min using planetary ball mill and obtains active ingredient carriers,
Grain graininess is 70 μm；By the superfine nano particle MoO of vaporization at high temperature3Pass through vapor deposition used load to active ingredient carriers
Upper obtained composite material, molybdenum mass content are 12%, and carbon average quality content is 12%.Prepare the matter of Electro Sorb material binder
Measuring part group becomes 70 parts of humic acid, CMC15 parts, PVDF15 parts, and consumption of binder is the 8% of composite material quality；By composite material
It is mixed with binder, and suppresses growth 10cm, wide 10cm, thick 0.1cm are plate.By Electro Sorb material be used for ion containing low price and
High COD water body adsorption cleaning, reaction time 20min, low price ion remaval rate up to 96.1%, COD removal rate be 98.2%, specifically
As a result see Table 3 for details.
3 embodiment of table, 3 design parameter and result table
Claims (10)
1. a kind of Electro Sorb material for removing water body low price ion and COD, which is characterized in that form mass parts are as follows: low-grade
60 ~ 80 parts of sulphide ore containing molybdenum, 10 ~ 20 parts of molybdenite, 10 ~ 20 parts of molybdenite tailing are used as presoma 1, and presoma 1 is mixed
It is even, then superfine nano particle MoO is formed through low-temperature oxidation roasting, vaporization at high temperature3；It is formed with mass parts are as follows: 15 ~ 30 parts of graphite,
30 ~ 50 parts of lignite, 20 ~ 55 parts of weathered coal conduct presomas 2, presoma 2 are uniformly mixed, active matter is made in roasting, Ultrafine Grinding
Matter carrier；It is acted on using vapor deposition by superfine nano particle MoO3It is obtained in uniform load to active ingredient carriers containing active matter
The composite material of matter, conductive matter；Then binder is added, forms, Electro Sorb material is made.
2. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that before described
It drives 1 grain diameter of body and is not higher than 200 μm, carbon mass content is not less than 60% in the presoma 2, and grain diameter is not more than 200 μ
m。
3. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that described
The low-temperature oxidation roasting temperature of presoma 1 is 450 ~ 700 DEG C, calcining time 60min.
4. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that described
The vaporization at high temperature condition of presoma 1 is under air atmosphere, and temperature is 850 ~ 1050 DEG C, and the processing time is 30min.
5. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that described
Superfine nano particle MoO3Grain graininess be 10nm ~ 100nm.
6. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that by forerunner
1100 ~ 1300 DEG C of 40 ~ 60min of roasting in a nitrogen atmosphere of body 2；Product carries out Ultrafine Grinding using planetary ball mill after roasting
10 ~ 30min obtains active ingredient carriers；Active ingredient carriers grain graininess is not more than 200 μm.
7. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that described multiple
Condensation material molybdenum mass content is not less than 10%, and carbon average quality content is not less than 7%.
8. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that described viscous
Tie the mass parts composition of agent are as follows: 60 ~ 80 parts of humic acid, CMC10 ~ 25 part, PVDF10 ~ 15 part, consumption of binder are composite material
The 5 ~ 10% of quality.
9. the Electro Sorb material of removal water body low price ion and COD according to claim 1, which is characterized in that composite wood
Material is mixed with binder, is pressed into cylindrical type or plate.
10. it is according to claim 1 removal water body low price ion and COD Electro Sorb material removal waste water at a middle or low price from
Application in son and COD, which is characterized in that the low price ion in the waste water is K+、Na+、F-、Cl-One of or it is several
Kind, total concentration is 50 ~ 500mg/L；COD content is 50 ~ 10000mg/L；Wastewater pH is 3 ~ 7.
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