CN1032852C - High-effective composite coagulant and its manufacturing method - Google Patents
High-effective composite coagulant and its manufacturing method Download PDFInfo
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- CN1032852C CN1032852C CN 90106151 CN90106151A CN1032852C CN 1032852 C CN1032852 C CN 1032852C CN 90106151 CN90106151 CN 90106151 CN 90106151 A CN90106151 A CN 90106151A CN 1032852 C CN1032852 C CN 1032852C
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- calcium aluminate
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Abstract
The present invention relates to a high-efficiency composite coagulant and a production method thereof. The high-efficiency composite coagulant is mainly prepared from calcium aluminate powders, and is prepared by chemical reaction with acid under the condition that water and oxidizing agents exist. The product comprises inorganic polymer aluminium hydrate (composite aluminium chloride (CPAC) for short) of alkaline chloride of aluminium ions, calcium ions and iron ions and is very effective to purification treatment of domestic water, industrial water and waste water. The present invention has the advantages of wide raw material sources, simple production processes, less needed equipment, operation under the ordinary pressure, no need of heat energy, no three waste discharge, less investment, fast effect and easy popularization and application, and has the advantages that a production period is 3 to 5 times shorter than that of PAC and the cost is reduced by about 2 times.
Description
The invention belongs to scavenging agent field used in the water treatment industry.This coagulating agent product is mainly used in domestic water, the purifying treatment of process water and waste water etc.
All need purifying treatment at department's waters such as chemical industry, light industry, metallurgy and mine industry, the coagulating agent of tradition usefulness has iron trichloride, ferrous sulfate, alum, Tai-Ace S 150, poly-aluminium (aluminium chlorohydroxide (PAC), basic aluminium sulphate), poly-iron (alkali formula iron(ic) chloride, ferric subsulfate) etc., in recent years, along with industrial expansion, require the quality of water high more, some new variety have also appearred in the scavenging agent of water treatment, as Li Runsheng work " water treatment new medicament aluminium chlorohydroxide ", China Construction Industry Press, in September, 1981.The He Wei of Zhongshan University light has also been done many work in this respect, the aluminium chlorohydroxide that contains a small amount of sulfate radical (PAC-S) product of development, and He Wei's light, water technology № 4 (1989).At present, using the most general and effect also is aluminium chlorohydroxide (PAC) and modification aluminium chlorohydroxide (PAC-S) preferably, the raw materials for production of aluminium chlorohydroxide adopt metallic aluminium, aluminium ash, bauxite etc. mostly, production technique is that " acid-soluble one-step " of raw material production aluminium chlorohydroxide is the simplest with the aluminium ash, but raw material sources are limited, production cycle is longer, and the heavy metal content height is difficult to form fairly large throughput; Present most of factory uses bauxite (the soft aluminium ore of three water) instead and produces PAC, but production process is numerous and diverse, the equipment requirements height, and corrodibility is big, and the production cycle is long, and product cost is higher.
The objective of the invention is to adopt metallic aluminium, aluminium ash to produce PAC raw material sources finite sum bauxite at prior art produces the numerous and diverse deficiency of PAC technology and a kind of efficient composite coagulant product and manufacturing technology thereof is provided, it is a main raw material with the calcium aluminate powder, generates the muriatic inorganic polymer hydrate of alkali formula of a kind of calcic, aluminium, iron ion in the presence of water and oxygenant with sour direct reaction.This efficient composite coagulant is mainly used in tap water, process water, particularly the processing of the boiler feed water in fuel-burning power plant and waste water (comprising paper waste, beer waste water, dyeing waste water, slaughterhouse wastewater, municipal effluent and other organic waste water) has significant effect.
A kind of efficient composite coagulant product provided by the invention, its recipe ingredient (by weight) is:
The calcium aluminate powder (make by available bauxite and calcium oxide or lime carbonate sintering; Aluminic acid salt solution
The oxide compound preparation of mud and calcium, iron or bauxite ore and calcium, magnesium, iron
Oxide compound, Vanadium Pentoxide in FLAKES roasting form) 20-40 part
Hydrochloric acid (available 37% concentrated hydrochloric acid) 30-80 part
Sulfuric acid (available 98% industrial sulphuric acid) 0-10 part
Oxygenant (available clorox, hydrogen peroxide and potassium permanganate) 0-8 part
Water 40-100 part optimum formula component (by weight) is:
30 parts of calcium aluminate powders
40 parts of hydrochloric acid
1 part of clorox
80 parts in water
The production method of efficient composite coagulant of the present invention
1. one of preparation of calcium aluminate powder
Bauxite powder is broken to more than 80 orders, and the calcium with 10～40%, magnesium, ferriferous oxide mix, and handle 0.5～1 hour down through 600-1350 ℃, promptly get the calcium aluminate raw material.
2. two of the preparation of calcium aluminate powder
Calcium, magnesium, the ferriferous oxide mixed preparing of aluminate cement powder and 10～40% are formed.
3. three of the preparation of calcium aluminate powder
Aluminium vanadine breeze is broken to more than 80 orders,, handled 0.5～1 hour down, promptly get the calcium aluminate raw material through 600-1350 ℃ with calcium, magnesium, iron, the mixing of Vanadium Pentoxide in FLAKES powder of 10-40%.
4. the preparation of compound coagulant
By above-mentioned recipe ingredient weighing, add liquid object post-reinforcing attitude thing earlier in having agitator, having in the acid-resistant reacting kettle of acid mist retrieving arrangement, start to stir and react, temperature is controlled at 100～120 ℃, reacts promptly to get liquid state of the present invention or solid product after 1～2 hour.
The efficient composite coagulant product is a kind of alkali formula muriate that contains aluminium, calcium, iron ion, or claims complex polyaluminium chloride (CPAC), Al
2O
3Content is about 10%, and the pH value is 2.5～4.0, proportion 1.15～1.25.
Product of the present invention is to the technological process for the treatment of papermaking situation:
1. paper mill comprehensive wastewater
| CPAC * | PH | Colourity | SS | COD cr | BOD 5 | COD crDecreasing ratio | BOD 5Decreasing ratio | |
| Former water | 10.46 | 130 | 1624 | 845.9 | 240 | |||
| Purify waste water | 200ppm | 7.77 | 30 | 38 | 225.4 | 35.9 | 73.4％ | 85％ |
* the CPAC add-on is by the CPAC working substance
2, paper mill middle-stage wastewater
| CPAC | PH | Colourity | SS | COD cr | BOD 5 | COD crDecreasing ratio | BOD 5Decreasing ratio | |
| Former water | 9.85 | 225 | 1798 | 1520.9 | 350 | |||
| Purify waste water | 150ppm | 7.25 | 41 | 44 | 248.8 | 61 | 83.64％ | 82.6％ |
| Former water | PAC | CPAC | |
| Consumption | 0.04ppm | 0.04ppm | |
| Turbidity | 750 | 10 | ＜2 |
Product of the present invention can be used the effect to domestic water, process water and wastewater treatment more remarkable with modified polyacrylamide.
The present invention has following advantage:
1. efficient composite coagulant (CPAC) is compared with aluminium chlorohydroxide (PAC), production cycle shortens 3～5 times, cost reduces about 1 times, the effect of purifying waste water is better than PAC, and it is fast to have sedimentation speed, and particle is thick, can form tough and tensile colony, stir repeatedly and still can return to original cotton-shaped colony, help filtering or centrifugation, reduce the volume of settling apparatus.
2. wide material sources such as raw materials used calcium aluminate of efficient composite coagulant are based on domesticly fully, and production technique is simple, needs equipment few, and material is less demanding, operates under normal pressure, does not need heat energy, three-waste free discharge.Therefore, less investment, instant effect is easy to generally apply.
3. the efficient composite coagulant purposes is wide; to domestic water (containing tap water handles), process water; the particularly pre-treatment of power plant boiler water; the treatment effect of waste water (comprising paper waste, beer waste water, dyeing waste water, slaughterhouse wastewater, municipal effluent and organic waste water thereof etc.) is good; for the disposal of three wastes and environment protection provide effective way, remarkable economic efficiency and social benefit are arranged.
Embodiment:
1. take by weighing 30 kilograms of the calcium aluminates made with bauxite by above-mentioned prescription, 40 kilograms of hydrochloric acid (content 37%), 1 kilogram of clorox, 80 kilograms in water, add and have agitator, have in the reactor of acid mist retrieving arrangement, start stirring, temperature is controlled at 100-120 ℃, after reaction in 1～2 hour, promptly get the compound coagulant product.
2. take by weighing with 30 kilograms of the raw materials of aluminate cement preparation, 50 kilograms of hydrochloric acid (content 37%), hydrogen peroxide (H by above-mentioned prescription
2O
2) 2 kilograms, 50 kilograms in water adds and has agitator, has in the reactor of acid mist retrieving arrangement, and its manufacturing process is with embodiment 1.
3. take by weighing 30 kilograms of the calcium aluminates of bauxite ore preparation by above-mentioned prescription, 45 kilograms of hydrochloric acid, 3 kilograms in sulfuric acid, 0.5 kilogram in potassium permanganate, 70 kilograms in water adds and has agitator, has in the reactor of acid mist retrieving arrangement, and its manufacturing process is with embodiment 1.
Claims (6)
1. an efficient composite coagulant contains aluminium chlorohydroxide, it is characterized in that the recipe ingredient of this compound coagulant is by weight:
20～40 parts of calcium aluminate powders
37% 20～80 part of concentration of hydrochloric acid
98% 0～10 part of sulfuric acid concentration
Oxygenant is a clorox, 0～8 part in hydrogen peroxide and potassium permanganate
40～100 parts in water
2. according to the described efficient composite coagulant of claim 1, it is characterized in that the optimum formula component of described coagulating agent is by weight:
30 parts of calcium aluminate powders
37% 40 parts of concentration of hydrochloric acid
The clorox technical grade is in available chlorine 〉=10% 1 part
80 parts in water
3. according to claim 1 or 2 described efficient composite coagulants, the calcium aluminate powder that it is characterized in that described coagulating agent is that bauxite and calcium oxide or lime carbonate sintering are made.
4. according to claim 1 or 2 described efficient composite coagulants, the calcium aluminate powder that it is characterized in that described coagulating agent is that aluminate cement and calcium, magnesium, ferriferous oxide are formulated.
5. according to claim 1 or 2 described efficient composite coagulants, the calcium aluminate powder that it is characterized in that described coagulating agent is that bauxite ore and calcium, magnesium, ferriferous oxide, Vanadium Pentoxide roasting form.
6. according to the production method of the described efficient composite coagulant of claim 1, it is characterized in that:
(1) one of preparation of calcium aluminate powder
Bauxite powder is broken to more than 80 orders, and the calcium with 10～40%, magnesium, ferriferous oxide mix, and handle 0.5-1 hour down through 600-1350 ℃, promptly get the calcium aluminate raw material.
(2) two of the preparation of calcium aluminate powder
Calcium, magnesium, the ferriferous oxide mixed preparing of aluminate cement powder and 10～40% are formed,
(3) three of the preparation of calcium aluminate powder
Bauxite ore is crushed to more than 80 orders, and the calcium with 10～40%, magnesium, iron, Vanadium Pentoxide powder mix, and handle 0.5～1 hour down through 600～1350 ℃, promptly get the calcium aluminate raw material,
(4) preparation of compound coagulant
By above-mentioned recipe ingredient weighing, add liquid object post-reinforcing attitude thing earlier in having agitator, have in the acid-resistant reacting kettle of acid mist retrieving arrangement, start to stir and react, temperature is controlled at 100～120 ℃, reacts 1～2 hour, promptly gets liquid state of the present invention or solid product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90106151 CN1032852C (en) | 1990-02-02 | 1990-10-24 | High-effective composite coagulant and its manufacturing method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/474,548 US5032163A (en) | 1990-02-02 | 1990-02-02 | Horizontal flame burner for furnace floor radiant heater |
| US07/474,547 US5022911A (en) | 1990-02-02 | 1990-02-02 | Gas fired radiant heater for furnace floor |
| CN 90106151 CN1032852C (en) | 1990-02-02 | 1990-10-24 | High-effective composite coagulant and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1054757A CN1054757A (en) | 1991-09-25 |
| CN1032852C true CN1032852C (en) | 1996-09-25 |
Family
ID=27178977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90106151 Expired - Fee Related CN1032852C (en) | 1990-02-02 | 1990-10-24 | High-effective composite coagulant and its manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN1032852C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375718C (en) * | 2005-10-11 | 2008-03-19 | 王枝宝 | Water purification, mud treatment and water purifier |
| CN101734772B (en) * | 2008-11-14 | 2013-01-30 | 北京石油化工学院 | Composite flocculant for treating industrial waste water and preparation method |
| CN102815778B (en) * | 2012-08-31 | 2014-06-04 | 广州博芳环保科技有限公司 | Preparation method of environment-friendly phosphorous removing agent |
| CN104176799A (en) * | 2014-08-19 | 2014-12-03 | 淮安自来水有限公司 | Water purification coagulating agent |
| CN106698538A (en) * | 2016-11-25 | 2017-05-24 | 南宁市黑晶信息技术有限公司 | Sewage treatment agent and preparation method thereof |
-
1990
- 1990-10-24 CN CN 90106151 patent/CN1032852C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1054757A (en) | 1991-09-25 |
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