CN102674522A - Composite phenol removal agent capable of removing high-concentration phenyl hydroxide waste water and application method thereof - Google Patents
Composite phenol removal agent capable of removing high-concentration phenyl hydroxide waste water and application method thereof Download PDFInfo
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- CN102674522A CN102674522A CN201110320765XA CN201110320765A CN102674522A CN 102674522 A CN102674522 A CN 102674522A CN 201110320765X A CN201110320765X A CN 201110320765XA CN 201110320765 A CN201110320765 A CN 201110320765A CN 102674522 A CN102674522 A CN 102674522A
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Abstract
The invention discloses a composite phenol dispose agent capable of removing high-concentration phenyl hydroxide waste water and an application method thereof. The compound phenol dispose agent consists of 46wt%-98wt% of oxidizers and 2wt%-8wt% of catalysts. The application method comprises the following steps of: fixedly loading the compound phenol dispose agent prepared at the ratio on a molecular sieve; activating at the temperature of 700-800 DEG C for 4-8 hours and sieving to obtain a particulate matter with the particle size of 80-100 meshes; adding the prepared particulate matter into the high-concentration phenyl hydroxide waste water, wherein the addition amount of the paritculate matter is 20-40ppm; regulating the pH value of the waste water to 3.0-6.0 by use of acid; and aerating for 1.0-2.0 hours, wherein the phenyl hydroxide emission amount of effluent is lower than the first national emission standard. The composite phenol removal agent disclosed by the invention has the advantages of rapid phenyl hydroxide degradation speed, no secondary pollution, available raw materials, less addition amount, low cost and simple phenyl hydroxide removal method; and when the composite phenol removal agent is used for removing the high-concentration phenyl hydroxide waste water, 400mg/L-4000mg/L high-concentration phenyl hydroxide waste water can be degraded to achieve the effect that the concentration is not greater than 0.2mg/L through one step, and the removal rate is up to above 99.9%.
Description
Technical field
The present invention is a kind of the compound except that the phenol agent of phenolic waste water of handling, and relates in particular to and handles the high-concentration waste water of phenol content at 400mg/L～4000mg/L, belongs to field of waste water treatment in the environment protection.
Background technology
Phenolic waste water is mainly from chemical enterprises such as coke-oven plant, refinery, resin processing plant, plastic molding and processing plant, petroleum chemical plants; Fast development along with industry such as China's petrochemical industry, coking; Phenol and phenolic cpd have become and have mainly contained one of organic pollutants in the water body, have carcinogenic, teratogenesis, mutagenic genotoxic potential, and phenol very easily gets into water body; And be difficult to by biological degradation, can cause the polluted drinking water source behind the phenolic wastewater polluted-water; Mass mortalities such as fish; The self-sow speed that suppresses water body and other biological.Phenolic wastewater gets into the farmland, can make the withered or underproduction of farm crop, and people and animals' safe for drinking and ecotope have been constituted serious threat.
At present domestic phenolic waste water treatment technology commonly used mainly contains absorption method, extraction process, liquid-film method, the precipitator method, electrolytic process, photocatalytic method and biochemical process; Absorption method is a kind of simple, method of being prone to the processing waste water of row; The solid adsorbent that adopts at present extensively has gac, sulphonated coal, macroporous resin etc., but along with the increasing sharply of amount of activated, there is certain difficulty in its regeneration; Though sulphonated coal regeneration easily; But adsorptive capacity is less, and the phenol amount in the processed waste water does not far reach emission standard, need carry out second-stage treatment; Extraction process operation more complicated can be brought new pollution to environment, and the oligodynamical loss of expensive solvent in waste water will reduce economic benefit; Liquid-film method is efficient fast, selectivity is high, be applicable to the processing to the high-concentration and low-concentration phenolic wastewater, but operative technique requires height, and the stability of liquid film also thoroughly solves; Precipitator method method is simple, economical, but after handling, the waste water phenol concentration is higher; Electrolytic process only is applicable to the advanced treatment of lower concentration phenolic wastewater, and energy consumption and processing costs are higher, also can cause some side reactions; Photocatalytic method needs high temperature or uviolizing and reaction times longer usually; Biochemical process can suppress the growth and breeding of bacterium because the phenol concentration that the biological bacteria of being utilized can bear is lower when phenol concentration is higher; For example, class's good fortune sincere feeling has been mentioned a kind of employing " the UV/Fenton method is handled phenol in wastewater " and has been made two-dimentional electro-Fenton reactor by oneself, handles phenolic waste water with the cathodic electricity Fenton process, and experimental result shows, at optimum reaction condition Fe
2+Dosage is 1mmol/L, and the pH value is 3, and electrolysis voltage is 9V, and aeration intensity is 25ml/L, and this moment, the maximum material removal rate of phenol was 87.5%; Hole dawn " phenol in ultrasonic-hydrogen peroxide-cupric oxide combination technique catalyzed oxidation water " mentioned a kind of ultrasonic-H
2O
2-CuO combination technique Pyrogentisinic Acid's degradation effect, the result shows, and is ultrasonic separately, ultrasonic-H
2O
2, ultrasonic-H
2O
2-CuO-stirring and ultrasonic-H
2O
2The clearance of phenol is respectively 24.0%, 53.3%, 78.0%, 89.5% under-CuO-air combination condition.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of prior art; Provide a kind of and be applicable to that the compound of high concentration phenol waste water removes the phenol agent and remove phenol method; This compound phenol agent raw material that removes is cheap and easy to get; Only need to add this recombiner and just can shorten the treatment time, and phenolic waste water water outlet after primary treatment is lower than national grade one discharge standard.
The technical scheme that the present invention adopts is: compoundly remove the phenol agent and be made up of oxidants and catalyzer class, mass percent is respectively oxidants 92% ~ 98%, catalyzer class 2% ~ 8%.
Described oxidants is one or both in Na2Fe04, potassium permanganate, sodium perchlorate, chloric acid, hypochlorous acid, the SRM 935a.
Described catalyzer class is one or both in titanium oxide, nickel oxide, chromic oxide, manganese oxide, red stone, the powder blue.
By mass percentage, described oxidants is one or both in Na2Fe04 46%～98%, potassium permanganate 46%～98%, sodium perchlorate 46%～98%, chloric acid 46%～98%, hypochlorous acid 46%～98%, the SRM 935a 46%～98%; Described catalyzer class is one or both in titanium oxide 2%～8%, nickel oxide 2%～8%, chromic oxide 2%～8%, manganese oxide 2%～8%, red stone 2%～8%, the powder blue 2%～8%.
The phenol processes of removing of the present invention is: it is immobilized on molecular sieve that aforementioned proportion proportioning compound removed the phenol agent; In temperature is activation 4～8 hours under 700 ° of C～800 ° C; Sieving obtains 80～100 purpose particulate matters, joins the PM for particulate matter of preparation in the high concentration phenol waste water, and the amount of adding is 20～40ppm; The pH value of waste water is adjusted to 3.0～6.0 with acid, and aeration got final product in 1.0～2.0 hours.The invention has the beneficial effects as follows:
(1) degradation of phenol speed is fast, non-secondary pollution;
(2) catalyzer is cheap and easy to get, recyclable use repeatedly, and working cost is low;
(3) simple, the less investment, effective of technology can drop to the high concentration phenol waste water of 400mg/L～4000mg/L below the 0.2mg/L, and clearance is up to more than 99.9%.
Embodiment
The present invention is compound to be made up of oxidants and catalyzer class except that the phenol agent, and wherein oxidants 46%～98%, catalyzer class 2%～8%.
Described oxidants is one or both in Na2Fe04, potassium permanganate, sodium perchlorate, chloric acid, hypochlorous acid, the SRM 935a.
Described catalyzer class is one or both in titanium oxide, nickel oxide, chromic oxide, manganese oxide, red stone, the powder blue.
By mass percentage, above-mentioned compound two or more material proportioning that is specially in Na2Fe04 46%～98%, potassium permanganate 46%～98%, sodium perchlorate 46%～98%, chloric acid 46%～98%, hypochlorous acid 46%～98%, SRM 935a 46%～98%, titanium oxide 2%～8%, nickel oxide 2%～8%, chromic oxide 2%～8%, manganese oxide 2%～8%, red stone 2%～8%, the powder blue 2%～8% except that the phenol agent forms.
The phenol processes of removing of treatment of high concentration phenolic waste water is that aforementioned proportion proportioning compound removed the phenol agent is immobilized on molecular sieve; In temperature is activation 4～8 hours under 700 ° of C～800 ° C; Sieving obtains 80～100 purpose particulate matters, joins the PM for particulate matter of preparation in the high concentration phenol waste water, and the amount of adding is 20～40ppm; The pH value of waste water is adjusted to 3.0～6.0 with acid, aeration 1.0～2.0 hours.
Instance 1
By mass percentage, Na2Fe04 42%, potassium permanganate 50%, red stone 8% being made into compound to remove the phenol agent immobilized on molecular sieve, is activation 4 hours under 700 ° of C in temperature; Sieving obtains 100 purpose particulate matters, and certain chemical plant phenolic waste water is handled, and the compound phenol agent dosage that removes is 20ppm; Regulate wastewater pH=3 with acid; Aeration is 2.0 hours under the normal temperature, and the phenol concentration in the waste water drops to 0.2mg/L from one step of 400mg/L, and the phenol clearance is more than 99.950%.
Instance 2
By mass percentage, chloric acid 46%, potassium permanganate 52%, nickel oxide 2% being made into compound to remove the phenol agent immobilized on molecular sieve, is activation 5 hours under 700 ° of C in temperature; Sieving obtains 100 purpose particulate matters, and certain coke-oven plant's phenolic waste water is handled, and the compound phenol agent dosage that removes is 25ppm; Regulate wastewater pH=4 with acid; Aeration is 1.5 hours under the normal temperature, and the phenol concentration in the waste water drops to 0.15mg/L from one step of 1000mg/L, and the phenol clearance is more than 99.962%.
Instance 3
By mass percentage; Na2Fe04 46%, SRM 935a 47%, titanium oxide 2%, manganese oxide 5% being made into compound to remove the phenol agent immobilized on molecular sieve, is activation 6 hours under 800 ° of C in temperature, and sieving obtains 80 purpose particulate matters; Phenolic waste water to certain resin processing plant is handled; The compound dosage that removes the phenol agent is 20ppm, regulates wastewater pH=6 with acid, and aeration is 1.0 hours under the normal temperature; Phenol concentration in the waste water drops to 0.1mg/L from one step of 3500mg/L, and the phenol clearance is more than 99.997%.
Instance 4
By mass percentage; Sodium perchlorate 46%, hypochlorous acid 46%, chromic oxide 3%, powder blue 5% being made into compound to remove the phenol agent immobilized on molecular sieve, is activation 8 hours under 800 ° of C in temperature, and sieving obtains 80 purpose particulate matters; Phenolic waste water to certain petroleum chemical plant is handled; The compound phenol agent dosage that removes is 40ppm, regulates wastewater pH=5 with acid, and aeration is 1.5 hours under the normal temperature; Phenol concentration in the waste water drops to 0.1mg/L from one step of 2000mg/L, and the phenol clearance is more than 99.995%.
Claims (4)
1. a compound phenol agent and application method thereof of removing of removing high concentration phenol waste water is characterized in that: compoundly remove the phenol agent and be made up of oxidants and catalyzer class, mass percent is respectively oxidants 92% ~ 98%, catalyzer class 2% ~ 8%.
2. a kind of compound phenol agent and application method thereof of removing of removing high concentration phenol waste water according to claim 1, it is characterized in that: described oxidants is one or both in Na2Fe04, potassium permanganate, sodium perchlorate, chloric acid, hypochlorous acid, the SRM 935a.
3. a kind of compound phenol agent and application method thereof of removing of removing high concentration phenol waste water according to claim 1, it is characterized in that: described catalyzer class is one or both in titanium oxide, nickel oxide, chromic oxide, manganese oxide, red stone, the powder blue.
4. a kind of compound phenol agent and application method thereof of removing of removing high concentration phenol waste water according to claim 1; It is characterized in that: the preparation process is for immobilized on molecular sieve with the recombiner of aforementioned proportion proportioning; In temperature is activation 4～8 hours under 700 ° of C～800 ° C, and sieving obtains 80～100 purpose particulate matters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110320765XA CN102674522A (en) | 2011-10-20 | 2011-10-20 | Composite phenol removal agent capable of removing high-concentration phenyl hydroxide waste water and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110320765XA CN102674522A (en) | 2011-10-20 | 2011-10-20 | Composite phenol removal agent capable of removing high-concentration phenyl hydroxide waste water and application method thereof |
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| CN102674522A true CN102674522A (en) | 2012-09-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628119A (en) * | 2015-01-04 | 2015-05-20 | 河海大学 | Method for removing trace polluting organic substances from water through catalyzing potassium permanganate by cobalt oxide |
| CN109518234A (en) * | 2018-11-30 | 2019-03-26 | 中国科学技术大学 | A kind of electric Fenton cathode and its preparation method and application introducing reactive hydrogen |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626789A (en) * | 2006-06-05 | 2010-01-13 | 耶德研究和发展有限公司 | Decontaminating fluids and using method thereof |
-
2011
- 2011-10-20 CN CN201110320765XA patent/CN102674522A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626789A (en) * | 2006-06-05 | 2010-01-13 | 耶德研究和发展有限公司 | Decontaminating fluids and using method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 许韵华等: "多相催化氧化降解苯酚过程的研究", 《北京交通大学学报》, vol. 31, no. 3, 30 June 2007 (2007-06-30), pages 92 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628119A (en) * | 2015-01-04 | 2015-05-20 | 河海大学 | Method for removing trace polluting organic substances from water through catalyzing potassium permanganate by cobalt oxide |
| CN109518234A (en) * | 2018-11-30 | 2019-03-26 | 中国科学技术大学 | A kind of electric Fenton cathode and its preparation method and application introducing reactive hydrogen |
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Application publication date: 20120919 |