CN105129935A - Multiphase multifunctional polymerized titanium-iron composite medicine and synthetic technology of same - Google Patents
Multiphase multifunctional polymerized titanium-iron composite medicine and synthetic technology of same Download PDFInfo
- Publication number
- CN105129935A CN105129935A CN201510412244.5A CN201510412244A CN105129935A CN 105129935 A CN105129935 A CN 105129935A CN 201510412244 A CN201510412244 A CN 201510412244A CN 105129935 A CN105129935 A CN 105129935A
- Authority
- CN
- China
- Prior art keywords
- temperature
- potassium permanganate
- revs
- press cake
- spent acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention belongs to the technical fields of water treatment and provides a multiphase multifunctional polymerized titanium-iron composite medicine, which is composed of waste acid filter press cake, and potassium permanganate synthetic powder, powdery activated carbon and sodium polyacrylate, wherein the mass percentage ratios of the potassium permanganate synthetic powder, the powdery activated carbon and the sodium polyacrylate are respectively 73-94.5%, 4.5-26% and 0.5-1.5%. The medicine integrates the advantages of flocculation, oxidization, primary nucleons and adsorption and the like of the components, so that the medicine is good in organic substance and chroma removal effects. In the invention, by means of change of relative contents of the components in the medicine, the medicine can be used for selectively removing certain pollutants high-effectively on the basis of character requirements of different water qualities. The effective components of the medicine are optimized. The medicine is less in usage quantity and can save cost. The synthetic technology is carried out normal pressure, is simple in process and is easy to complete. The composite medicine can be used in the fields of low-temperature and -turbidity water, low-temperature and -turbidity secondary biochemical effluent, and especially in the fields of treatment on the low-temperature and -turbidity water and low-temperature and -turbidity secondary biochemical effluent being high in chroma and organic substance content.
Description
Technical field
The invention belongs to water-treatment technology field, relate to a kind of heterogeneous multifunctional compound agent and synthetic technology thereof, particularly relate to a kind of polymerization ferrotianium compound and synthetic technology thereof.
Background technology
Low temperature and low turbidity water is more unmanageable a kind of water, have that viscosity is large, particle size is little and be evenly distributed, flocculation reaction is slow, the alumen ustum not feature such as free settling.The reason affecting low-temperature and low turbidity water treatment mainly contains the factors such as temperature, granule density, organism.Lower temperature makes medicament be hydrolyzed slowly, and the viscosity of water increases, and particle collision probability reduces, and is unfavorable for the growth of alumen ustum; Low-cloudy water means that in water, the concentration of particle is lower, and partial particulate can lose collision opportunity; Organism makes colloid surface electric charge increase, and small sized particles then further enhances the stability of colloid.In addition, in winter, the secondary biochemical effluent of some trade effluents also has the feature that granule density is low, turbidity is low, also may have the higher feature of colourity simultaneously, if desired tertiary treatment or advanced treatment, then a bit similar with the feature of low temperature and low turbidity water, as the secondary biochemical effluent of waste water from dyestuff.Dyestuff has thousands of year in the use of human society, and the usage quantity at present in the whole world is very large, has the characteristic of extremely difficult biochemical treatment.Use that the maximum industry of dyestuff is textiles, dyeing, papermaking, the industry such as leather and coating, pollution every year because causing in the dyestuff entered environment of use accounts for 10 ~ 15% of dyestuff usage quantity, cause immeasurable pollution effect to environment, tertiary treatment or advanced treatment are then that the pollutents such as further organics removal, colourity, SS are to reach the last barrier of emission standard or reuse.
The technology of current process low-temperature and low turbidity class water relate to preferred, the coagulant aids of coagulating agent use, load flocculation, and the improvement etc. of some techniques, wherein the selection of coagulated agent and upgrading are the focus technology of such water treatment all the time.And in advanced treatment of industrial waste water technology, coagulation unit is also one of prefered method.At present, be generally iron system and aluminium system for the coagulated agent in such technology, the former is slightly better than the latter, but due to the peculiar property of such water and this two classes medicament defect separately, makes its treatment effect always unsatisfactory.
Titanium dioxide is a kind of white pigment that performance is best in the world at present, and China is not only titanium white production state the biggest in the world, is also titanium dioxide country of consumption the biggest in the world.At present, China's many employings Titanium White Production By Sulfuric Acid Process, the method mature technology, equipment is simple, and cost is low, but production process can produce a large amount of waste and byproduct, wherein spent acid press cake is one of its waste, mainly with titanium, iron etc. for principal element, this waste material added value is lower.Titanium is the brand-new element in water treatment agent, nontoxic, at present about the patent of titaniferous water conditioner, relates to CN101870512A, CN100406396C, CN102976462A etc., respectively with titanium-containing blast furnace slag and tetravalent salt of titanium for main raw material.Patent 2014104566155 with metatitanic acid waste material (i.e. spent acid press cake) for main raw material.Although these water treatment agents are containing titanium elements, but be single-phase composition, water treatment efficiency is more single, therefore for improving its Multifunctional effect and expanding its Application Areas in more difficult water, exploitation a kind of nontoxic, low cost, multi-functional titaniferous water treatment agent are necessary.
Summary of the invention
The object of the invention is to make up the deficiencies in the prior art part, and for expanding the application of titaniferous water treatment agent in water treatment, provide a kind of heterogeneous multifunctional polymeric ferrotianium compound and synthetic technology thereof, this polymerization ferrotianium compound with the spent acid press cake produced in production process of titanium pigment for main raw material, with Powdered Activated Carbon, potassium permanganate and sodium polyacrylate are additive, have metal element of titanium concurrently, the flocculating function of iron, the elementary nucleation of the oxidative function of potassium permanganate remnants and the rear subparticle produced of reaction thereof, the adsorption of Powdered Activated Carbon, for low temperature and low turbidity water or low-temperature and low turbidity secondary biochemical effluent, there is good treatment effect, this medicament is nontoxic after testing.
The invention provides a kind of heterogeneous multifunctional polymeric ferrotianium compound, be made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, wherein the mass percent of each component consists of 73 ~ 94.5%, 4.5 ~ 26%, 0.5 ~ 1.5%.
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, spent acid press cake is mixed with water, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by massfraction be 70 ~ 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leaching time is 0.5 ~ 1 hour, filters, and obtains filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of 17mol/L in above-mentioned filtrate, adjust ph is 2 ~ 4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, potassium permanganate is joined in above-mentioned mixed solution, stir 4 ~ 7 minutes, stop stirring, leave standstill polymerization 24 ~ 36 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120 ~ 170m
3/ h, hot-air inlets temperature is 110 ~ 120 DEG C, makes spent acid press cake and potassium permanganate composite powder;
Wherein the mass percent of each component of polymer fluid consists of: spent acid press cake 7 ~ 27.5%, water 7 ~ 27.5%, massfraction are sulphuric acid soln 12 ~ 34.5%, the sodium hydroxide solution 10.5 ~ 32% of 17mol/L, the potassium permanganate 3 ~ 14% of 70 ~ 90%, and described per-cent is the per-cent that each constituent mass accounts for described polymer fluid total mass.
Described spent acid press cake is the wet type solid waste produced in titanium white production washing process;
Described Powdered Activated Carbon, sodium polyacrylate, sulphuric acid soln, sodium hydroxide solution, potassium permanganate are technical grade product.
In the present invention one preferred embodiment, described polymerization ferrotianium compound is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 73 ~ 94.5%, 4.5 ~ 26%, 0.5 ~ 1.5%;
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows, and described per-cent is the per-cent that each constituent mass accounts for described polymer fluid total mass:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 7 ~ 27.5% is mixed with the water of 7 ~ 27.5%, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 12 ~ 34.5% be 70 ~ 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leaching time is 0.5 ~ 1 hour, filters, and obtains filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 10.5 ~ 32% in above-mentioned filtrate, adjust ph is 2 ~ 4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, the potassium permanganate of 3 ~ 14% is joined in above-mentioned mixed solution, stir 4 ~ 7 minutes, stop stirring, leave standstill polymerization 24 ~ 36 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120 ~ 170m
3/ h, hot-air inlets temperature is 110 ~ 120 DEG C, makes spent acid press cake and potassium permanganate composite powder.
In another preferred embodiment of the present invention, described polymerization ferrotianium compound is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 89.5%, 10%, 0.5%;
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 2.3L in above-mentioned filtrate, adjust ph is 2.5, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 0.8Kg potassium permanganate is joined in above-mentioned mixed solution, stir 4 minutes, stop stirring, leave standstill polyase 13 6 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 140m
3/ h, hot-air inlets temperature is 120 DEG C, makes spent acid press cake and potassium permanganate composite powder.
In the another preferred embodiment of the present invention, described polymerization ferrotianium compound is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 82.5%, 16%, 1.5%;
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 3.5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 5.9L be 70% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 6.1L in above-mentioned filtrate, adjust ph is 3.4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 4Kg potassium permanganate is joined in above-mentioned mixed solution, stir 7 minutes, stop stirring, leave standstill polyase 13 0 hour, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120m
3/ h, hot-air inlets temperature is 110 DEG C, makes spent acid press cake and potassium permanganate composite powder.
In the present invention again a preferred embodiment, described polymerization ferrotianium compound is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 75.8%, 23%, 1.2%;
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 6.5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 0.5 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 3.2L in above-mentioned filtrate, adjust ph is 4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 3Kg potassium permanganate is joined in above-mentioned mixed solution, stir 7 minutes, stop stirring, leave standstill polymerization 24 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120m
3/ h, hot-air inlets temperature is 110 DEG C, makes spent acid press cake and potassium permanganate composite powder.
In the another preferred embodiment of the present invention, described polymerization ferrotianium compound is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 75.8%, 23%, 1.2%;
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 2.3L in above-mentioned filtrate, adjust ph is 2.5, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 0.8Kg potassium permanganate is joined in above-mentioned mixed solution, stir 4 minutes, stop stirring, leave standstill polyase 13 6 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 140m
3/ h, hot-air inlets temperature is 120 DEG C, makes spent acid press cake and potassium permanganate composite powder.
Present invention also offers a kind of synthetic technology scheme of above-mentioned polymerization ferrotianium compound, described synthetic technology protocol step is as follows:
(1) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by sodium polyacrylate in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 8 ~ 15 minutes, obtains powder mix;
(2) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by Powdered Activated Carbon in above-mentioned powder mix, mixing and stirring, controlling churning time is 5 ~ 10 minutes, must be polymerized ferrotianium compound;
In step (2), preferably described polymerization ferrotianium compound is placed in dry sealed vessel after described mixing and stirring terminates, deposits in shady and cool place.
The present inventor additionally provides the application of a kind of above-mentioned polymerization ferrotianium compound in process low-temperature and low turbidity surface water:
Directly add in solid form as coagulating agent during described polymerization ferrotianium compound process low-temperature and low turbidity surface water;
The precipitation process of coagulation adopted during described polymerization ferrotianium compound process low temperature and low turbidity water is: first adopt the speed of 250 revs/min to stir 30s, then stir 3 minutes, 5 minutes, 7 minutes with the speed of 80 revs/min, 50 revs/min, 30 revs/min respectively, precipitate 10 minutes.
The present inventor separately additionally provides the application of a kind of above-mentioned polymerization ferrotianium compound in tertiary treatment or advanced treatment low-temperature and low turbidity secondary biochemical effluent:
Directly add in solid form as coagulating agent when described polymerization ferrotianium compound tertiary treatment or advanced treatment low-temperature and low turbidity secondary biochemical effluent;
The precipitation process of coagulation that described polymerization ferrotianium compound adopts when tertiary treatment or advanced treatment low-temperature and low turbidity secondary biochemical effluent is: first adopt the speed of 300 revs/min to stir 20s, then stir 3 minutes, 4 minutes, 8 minutes with the speed of 70 revs/min, 50 revs/min, 30 revs/min respectively, precipitate 15 minutes.
Positive progressive effect of the present invention is:
1, the present invention's polymerization ferrotianium compound that is Material synthesis with spent acid press cake, potassium permanganate and Powdered Activated Carbon, combine the advantages such as the flocculation of its each component, oxidation, elementary nucleon, absorption, more single use polymerization ferrotianium pharmacy effect is good.
2, the present invention is by changing the relative content of spent acid press cake and potassium permanganate, Powdered Activated Carbon, the water treatment agent tending to wherein a certain component or certain two kinds of component specific characteristic can be synthesized, and then can for the feature requirement of the low-temperature and low turbidity water treatment of different quality or the tertiary treatment of low-temperature and low turbidity secondary biochemical effluent or advanced treatment, carry out autotelic some pollutent of efficient removal, optimize the effective constituent of medicament, and consumption is little, cost-saving.
3, the present invention take sodium polyacrylate as stablizer and dispersion agent, enables each component Homogeneous phase mixing of polymerization ferrotianium compound, and extends 3 ~ 6 months storage times.
4, the present invention be polymerized the mud that ferrotianium compound produces can as sorbent material reuse through simply washing, calcining, after manipulation of regeneration.
5, the temperature range that the present invention adopts is room temperature ~ 120 DEG C, and stirring velocity scope is 100 ~ 800 revs/min, comparatively saves the energy, and production process is normal pressure, and technique is simple, be easy to realize.
6, the polymerization ferrotianium compound of the present invention's synthesis, can be applicable to the field such as low temperature and low turbidity water, low-temperature and low turbidity secondary biochemical effluent, is particularly useful for the process of colourity is higher, organic content is higher low temperature and low turbidity water and low-temperature and low turbidity secondary biochemical effluent.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but does not therefore limit the present invention in described scope of embodiments.
Low temperature and low turbidity water used takes from Shandong Section water in winter, and water temperature is 5 DEG C, and turbidity is 8NTU, and pH value is 8.14, COD
mnfor 6.8mg/L, colourity is 45 degree.Dosage is in 0.9g medicament/1L water sample.Precipitation process of coagulation is: first adopt the speed of 250 revs/min to stir 30s, then 3 minutes, 5 minutes, 7 minutes are stirred with the speed of 80 revs/min, 50 revs/min, 30 revs/min respectively, precipitate 10 minutes, extract the mensuration of carrying out turbidity, organism and colourity apart from liquid level 2 centimeters supernatant liquor.
Low-temperature and low turbidity secondary biochemical effluent used takes from dyeing waste water, and water temperature is 11 DEG C, and turbidity is 25NTU, and pH value is 10.85, COD
crfor 200mg/L, colourity is 80 degree.Dosage is in 2.5g medicament/1L water sample.Precipitation process of coagulation is: first adopt the speed of 300 revs/min to stir 20s, then 3 minutes, 4 minutes, 8 minutes are stirred with the speed of 70 revs/min, 50 revs/min, 30 revs/min respectively, precipitate 15 minutes, extract the mensuration of carrying out turbidity, organism and colourity apart from liquid level 2 centimeters supernatant liquor.
Embodiment 1
The polymerization ferrotianium compound of the present embodiment is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 89.5%, 10%, 0.5%.
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 2.3L in above-mentioned filtrate, adjust ph is 2.5, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 0.8Kg potassium permanganate is joined in above-mentioned mixed solution, stir 4 minutes, stop stirring, leave standstill polyase 13 6 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 140m
3/ h, hot-air inlets temperature is 120 DEG C, makes spent acid press cake and potassium permanganate composite powder.
The synthetic technology scheme of the polymerization ferrotianium compound of the present embodiment, described synthetic technology protocol step is as follows:
(1) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by sodium polyacrylate in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 8 minutes, obtains powder mix;
(2) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by Powdered Activated Carbon in above-mentioned powder mix, mixing and stirring, controlling churning time is 5 minutes, must be polymerized ferrotianium compound.
The experiment water sample of the present embodiment is Shandong Section water in winter, adopts the polymerization ferrotianium compound of the present embodiment as coagulating agent, directly adds in solid form.Result is as follows: turbidity removal rate 81.5%, COD
mnclearance 65.6%, chroma removal rate 75%.
Embodiment 2
The polymerization ferrotianium compound of the present embodiment is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 82.5%, 16%, 1.5%.
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 3.5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 5.9L be 70% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 6.1L in above-mentioned filtrate, adjust ph is 3.4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 4Kg potassium permanganate is joined in above-mentioned mixed solution, stir 7 minutes, stop stirring, leave standstill polyase 13 0 hour, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120m
3/ h, hot-air inlets temperature is 110 DEG C, makes spent acid press cake and potassium permanganate composite powder.
The synthetic technology scheme of the polymerization ferrotianium compound of the present embodiment, described synthetic technology protocol step is as follows:
(1) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by sodium polyacrylate in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 15 minutes, obtains powder mix;
(2) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by Powdered Activated Carbon in above-mentioned powder mix, mixing and stirring, controlling churning time is 10 minutes, must be polymerized ferrotianium compound.
The experiment water sample of the present embodiment is Shandong Section water in winter, adopts the polymerization ferrotianium compound of the present embodiment as coagulating agent, directly adds in solid form.Result is as follows: turbidity removal rate 87%, COD
mnclearance 70.2%, chroma removal rate 90%.
Embodiment 3
The polymerization ferrotianium compound of the present embodiment is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 75.8%, 23%, 1.2%.
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 6.5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 0.5 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 3.2L in above-mentioned filtrate, adjust ph is 4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 3Kg potassium permanganate is joined in above-mentioned mixed solution, stir 7 minutes, stop stirring, leave standstill polymerization 24 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120m
3/ h, hot-air inlets temperature is 110 DEG C, makes spent acid press cake and potassium permanganate composite powder.
The synthetic technology scheme of the polymerization ferrotianium compound of the present embodiment, described synthetic technology protocol step is as follows:
(1) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by sodium polyacrylate in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 10 minutes, obtains powder mix;
(2) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by Powdered Activated Carbon in above-mentioned powder mix, mixing and stirring, controlling churning time is 10 minutes, must be polymerized ferrotianium compound.
The experiment water sample of the present embodiment is the low-temperature and low turbidity secondary biochemical effluent of dyeing waste water, adopts the polymerization ferrotianium compound of the present embodiment as coagulating agent, directly adds in solid form.Result is as follows: turbidity removal rate 90%, COD
crclearance 79%, chroma removal rate 55%.
Embodiment 4
The polymerization ferrotianium compound of the present embodiment is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 75.8%, 23%, 1.2%;
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 2.3L in above-mentioned filtrate, adjust ph is 2.5, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 0.8Kg potassium permanganate is joined in above-mentioned mixed solution, stir 4 minutes, stop stirring, leave standstill polyase 13 6 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 140m
3/ h, hot-air inlets temperature is 120 DEG C, makes spent acid press cake and potassium permanganate composite powder.
The synthetic technology scheme of the polymerization ferrotianium compound of the present embodiment, described synthetic technology protocol step is as follows:
(1) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by sodium polyacrylate in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 15 minutes, obtains powder mix;
(2) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by Powdered Activated Carbon in above-mentioned powder mix, mixing and stirring, controlling churning time is 10 minutes, must be polymerized ferrotianium compound.
The experiment water sample of the present embodiment is the low-temperature and low turbidity secondary biochemical effluent of dyeing waste water, adopts the polymerization ferrotianium compound of the present embodiment as coagulating agent, directly adds in solid form.Result is as follows: turbidity removal rate 79%, COD
crclearance 74.5%, chroma removal rate 60%.
Comparative example 1
The polymerization ferrotianium compound of this comparative example is made up of spent acid press cake and potassium permanganate composite powder, sodium polyacrylate, and wherein the mass percent of each component consists of 99.5%, 0.5%.
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 2.3L in above-mentioned filtrate, adjust ph is 2.5, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 0.8Kg potassium permanganate is joined in above-mentioned mixed solution, stir 4 minutes, stop stirring, leave standstill polyase 13 6 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 140m
3/ h, hot-air inlets temperature is 120 DEG C, makes spent acid press cake and potassium permanganate composite powder.
The synthetic technology scheme of the polymerization ferrotianium compound of this comparative example is as follows: under the condition of the stirring velocitys of 100 ~ 300 revs/min and room temperature, sodium polyacrylate is joined in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 8 minutes, to obtain final product.
The experiment water sample of this comparative example is Shandong Section water in winter, adopts the polymerization ferrotianium compound of this comparative example as coagulating agent, directly adds in solid form.Result is as follows: turbidity removal rate 75.1%, COD
mnclearance 55.5%, chroma removal rate 60%.
Comparative example 2
The polymerization ferrotianium compound of this comparative example is made up of spent acid press cake and potassium permanganate composite powder, sodium polyacrylate, and wherein the mass percent of each component consists of 98.5%, 1.5%.
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 3.5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 5.9L be 70% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 1 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 6.1L in above-mentioned filtrate, adjust ph is 3.4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 4Kg potassium permanganate is joined in above-mentioned mixed solution, stir 7 minutes, stop stirring, leave standstill polyase 13 0 hour, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120m
3/ h, hot-air inlets temperature is 110 DEG C, makes spent acid press cake and potassium permanganate composite powder.
The synthetic technology scheme of the polymerization ferrotianium compound of this comparative example is as follows: under the condition of the stirring velocitys of 100 ~ 300 revs/min and room temperature, sodium polyacrylate is joined in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 15 minutes, to obtain final product.
The experiment water sample of this comparative example is Shandong Section water in winter, adopts the polymerization ferrotianium compound of this comparative example as coagulating agent, directly adds in solid form.Result is as follows: turbidity removal rate 60%, COD
mnclearance 52.5%, chroma removal rate 80%.
Comparative example 3
The polymerization ferrotianium compound of this comparative example is made up of spent acid press cake and potassium permanganate composite powder, sodium polyacrylate, and wherein the mass percent of each component consists of 98.8%, 1.2%.
Wherein said spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, the spent acid press cake of 5Kg is mixed with the water of 6.5L, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by the massfraction of 2.5L be 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leach 0.5 hour, filter, obtain filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of the 17mol/L of 3.2L in above-mentioned filtrate, adjust ph is 4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, 3Kg potassium permanganate is joined in above-mentioned mixed solution, stir 7 minutes, stop stirring, leave standstill polymerization 24 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120m
3/ h, hot-air inlets temperature is 110 DEG C, makes spent acid press cake and potassium permanganate composite powder.
The synthetic technology scheme of the polymerization ferrotianium compound of this comparative example is as follows: under the condition of the stirring velocitys of 100 ~ 300 revs/min and room temperature, sodium polyacrylate is joined in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 10 minutes, to obtain final product.
The experiment water sample of this comparative example is the low-temperature and low turbidity secondary biochemical effluent of dyeing waste water, adopts the polymerization ferrotianium compound of this comparative example as coagulating agent, directly adds in solid form.Result is as follows: turbidity removal rate 68%, COD
crclearance 70%, chroma removal rate 35%.
From above result, heterogeneous multifunctional polymeric ferrotianium compound of the present invention is good to low temperature and low turbidity water or dyeing waste water low-temperature and low turbidity secondary biochemical effluent coagulation effect, especially has excellent removal effect to colourity and organism.
Claims (4)
1. a heterogeneous multifunctional polymeric ferrotianium compound, it is characterized in that, described polymerization ferrotianium compound is made up of spent acid press cake and potassium permanganate composite powder, Powdered Activated Carbon, sodium polyacrylate, and wherein the mass percent of each component consists of 73 ~ 94.5%, 4.5 ~ 26%, 0.5 ~ 1.5%.
2. polymerization ferrotianium compound as claimed in claim 1, it is characterized in that, described spent acid press cake and potassium permanganate composite powder, its preparation method is as follows:
First low whipping speed is 200 ~ 300 revs/min and temperature is under the condition of 35 ~ 40 DEG C, spent acid press cake is mixed with water, obtain a kind of thick white emulsion, temperature is brought up to 90 ~ 100 DEG C, by massfraction be 70 ~ 90% sulphuric acid soln join in above-mentioned thick white emulsion and leach, leaching time is 0.5 ~ 1 hour, filters, and obtains filtrate; Then low whipping speed is that under the condition of 600 ~ 800 revs/min and room temperature, joined by the sodium hydroxide solution of 17mol/L in above-mentioned filtrate, adjust ph is 2 ~ 4, obtains mixed solution; Under the stirring velocitys of 200 ~ 300 revs/min and room temperature, potassium permanganate is joined in above-mentioned mixed solution, stir 4 ~ 7 minutes, stop stirring, leave standstill polymerization 24 ~ 36 hours, obtain polymer fluid; Apply reverse contact spray drying process to be solidified by above-mentioned polymer fluid, hot air flowrate is 120 ~ 170m
3/ h, hot-air inlets temperature is 110 ~ 120 DEG C, makes spent acid press cake and potassium permanganate composite powder;
Wherein the mass percent of each component of polymer fluid consists of: spent acid press cake 7 ~ 27.5%, water 7 ~ 27.5%, massfraction are sulphuric acid soln 12 ~ 34.5%, the sodium hydroxide solution 10.5 ~ 32% of 17mol/L, the potassium permanganate 3 ~ 14% of 70 ~ 90%, and described per-cent is the per-cent that each constituent mass accounts for described polymer fluid total mass.
3. the synthetic technology scheme of polymerization ferrotianium compound according to claim 1, is characterized in that, described synthetic technology protocol step is as follows:
(1) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by sodium polyacrylate in described spent acid press cake and potassium permanganate composite powder, mixing and stirring, controlling churning time is 8 ~ 15 minutes, obtains powder mix;
(2) under the condition of the stirring velocity of 100 ~ 300 revs/min and room temperature, joined by Powdered Activated Carbon in above-mentioned powder mix, mixing and stirring, controlling churning time is 5 ~ 10 minutes, must be polymerized ferrotianium compound.
4. the polymerization ferrotianium compound as described in any one of claim 1 ~ 3 and synthetic technology scheme thereof, is characterized in that, described spent acid press cake is the wet type solid waste produced in titanium white production washing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412244.5A CN105129935B (en) | 2015-07-15 | 2015-07-15 | A kind of multiphase multifunctional polymeric ferrotianium composite drug and its synthetic technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412244.5A CN105129935B (en) | 2015-07-15 | 2015-07-15 | A kind of multiphase multifunctional polymeric ferrotianium composite drug and its synthetic technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105129935A true CN105129935A (en) | 2015-12-09 |
| CN105129935B CN105129935B (en) | 2017-11-03 |
Family
ID=54715594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510412244.5A Expired - Fee Related CN105129935B (en) | 2015-07-15 | 2015-07-15 | A kind of multiphase multifunctional polymeric ferrotianium composite drug and its synthetic technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105129935B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06206066A (en) * | 1993-01-12 | 1994-07-26 | S T Chem Co Ltd | Water purifying agent and water treatment device using the same |
| JP2000302822A (en) * | 1999-04-23 | 2000-10-31 | Taiho Ind Co Ltd | Coagulant sealing agent and method for keeping filtration performance of filter medium using the same |
| CN1375465A (en) * | 2001-03-19 | 2002-10-23 | 方超 | Dispersed combined water purifying agent for purifying sewage and its usage |
| CN103151088A (en) * | 2013-03-28 | 2013-06-12 | 南京大学宜兴环保研究院 | Composite flocculating agent for processing radioactive elements iron, cobalt, manganese and silver in nuclear waste water and processing method |
| CN104140146A (en) * | 2014-06-24 | 2014-11-12 | 济南大学 | Method for preparing polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid |
| CN104150573A (en) * | 2014-07-04 | 2014-11-19 | 安徽三环水泵有限责任公司 | Primary physicochemical enhanced coagulant and treatment method of papermaking wastewater |
| CN104386787A (en) * | 2014-09-10 | 2015-03-04 | 济南大学 | Inorganic ferrotitanium polymeric coagulant with ilmenite as raw material and preparation technology thereof |
| CN104475057A (en) * | 2014-11-27 | 2015-04-01 | 李博兰 | Sewage treatment agent |
-
2015
- 2015-07-15 CN CN201510412244.5A patent/CN105129935B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06206066A (en) * | 1993-01-12 | 1994-07-26 | S T Chem Co Ltd | Water purifying agent and water treatment device using the same |
| JP2000302822A (en) * | 1999-04-23 | 2000-10-31 | Taiho Ind Co Ltd | Coagulant sealing agent and method for keeping filtration performance of filter medium using the same |
| CN1375465A (en) * | 2001-03-19 | 2002-10-23 | 方超 | Dispersed combined water purifying agent for purifying sewage and its usage |
| CN103151088A (en) * | 2013-03-28 | 2013-06-12 | 南京大学宜兴环保研究院 | Composite flocculating agent for processing radioactive elements iron, cobalt, manganese and silver in nuclear waste water and processing method |
| CN104140146A (en) * | 2014-06-24 | 2014-11-12 | 济南大学 | Method for preparing polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid |
| CN104150573A (en) * | 2014-07-04 | 2014-11-19 | 安徽三环水泵有限责任公司 | Primary physicochemical enhanced coagulant and treatment method of papermaking wastewater |
| CN104386787A (en) * | 2014-09-10 | 2015-03-04 | 济南大学 | Inorganic ferrotitanium polymeric coagulant with ilmenite as raw material and preparation technology thereof |
| CN104475057A (en) * | 2014-11-27 | 2015-04-01 | 李博兰 | Sewage treatment agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105129935B (en) | 2017-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104556331B (en) | PAC (polyaluminium chloride)-modified sodium alginate inorganic-organic composite flocculant and preparation method thereof | |
| CN111943336B (en) | Method for preparing polysilicate aluminum ferric flocculant, polysilicate aluminum ferric flocculant and application thereof | |
| CN100542976C (en) | Method with flyash and kaolin production compound aluminium silicate polymer ferric flocculant | |
| Zhang et al. | Removal of anionic dyes from aqueous solution by leaching solutions of white mud | |
| CN1085192A (en) | The preparation of high-efficiency compound water purifying agent and application thereof | |
| CN104140146B (en) | A kind of method adopting metatitanic acid waste material to prepare polymerization ferrotianium water purification agent | |
| CN109809519A (en) | A kind of Organic-inorganic composite sewage-treating agent and preparation method thereof | |
| CN105907991B (en) | A kind for the treatment of method for detoxication of the extraction of waste residue containing Cr VI recovery chromium | |
| CN104085969A (en) | Method for preparing compound type multi-element flocculating agent aluminum ferric sulfate chloride polysilicate by utilizing waste acid | |
| CN104261652A (en) | Efficient sludge dewatering flocculant | |
| CN103922453B (en) | A kind of coking chemical waste water flocculation agent and preparation method thereof and application | |
| CN101492192B (en) | Coagulating agent for treating wastewater containing fluorine and use process thereof | |
| CN111960645A (en) | Red mud-based dehydrating agent, preparation method thereof and dehydration method of bauxite ore washing slime | |
| CN102701387A (en) | Titanium tetrachloride-poly dimethyl diallyl ammonium chloride inorganic-organic compound flocculant and preparation method thereof | |
| CN107459373A (en) | The method and system of potassium manganese mixed fertilizer are prepared based on graphene oxide generation spent acid | |
| CN104478029A (en) | A water treating agent and a preparing method thereof | |
| CN108101184A (en) | A kind of sewage-treating agent and preparation method thereof | |
| CN101497469A (en) | Method for preparing inorganic polymer composite aluminum iron zinc coagulant from aluminum plating zincilate | |
| CN117247092A (en) | Fluorine removing agent for fluorine-containing wastewater treatment and preparation method thereof | |
| CN105565459A (en) | Compound flocculant with polymerization ferric chloride and amination polymers based on papermaking sludge and method for preparing compound flocculant | |
| CN101215031A (en) | Method for preparing clay composite flocculant | |
| CN102079563B (en) | Regenerative coagulant, and preparation method and using method thereof | |
| CN114751597B (en) | Water treatment process based on composite magnetic flocculant | |
| CN105967484A (en) | Sludge deep dehydration method for processing flue gas desulfurization wastewater sludge | |
| CN105129935A (en) | Multiphase multifunctional polymerized titanium-iron composite medicine and synthetic technology of same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20200715 |