CN1055529A - Treatment of waste water of cis-anhydride by anaerobic biological process - Google Patents
Treatment of waste water of cis-anhydride by anaerobic biological process Download PDFInfo
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- CN1055529A CN1055529A CN90101718A CN90101718A CN1055529A CN 1055529 A CN1055529 A CN 1055529A CN 90101718 A CN90101718 A CN 90101718A CN 90101718 A CN90101718 A CN 90101718A CN 1055529 A CN1055529 A CN 1055529A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Discharge a large amount of high density organic acidity waste water during some organic chemical industry's devices (as the MALEIC ANHYDRIDE device) are produced, uneconomical with aerobic biological treatment behind this wastewater dilution, effect is also undesirable.Present technique is high density organic acidity waste water directly to be carried out anaerobic biological process without dilution handle, operation is economical, treatment effect is good, organic removal rate can reach 75-90%, but and by-product combustible gas, 300-360L/KgCOD, waste water motion device concentration can reach 15000-30000mg/l, device load＞8kgCOD/m
3D.
Description
Administer both at home and abroad organic wastewater and adopt anaerobic biological process to handle more, this method energy consumption height is applicable to the waste water of lower concentration, once studies and the improvement method that adopts has (1) wet oxidation process for high-concentration waste water; (2) after the evaporation residue is burnt; (3) anaerobic biological treatment method.(1), (2) two kinds of big technical requirements height of method facility investment, energy consumption is also big, and is uneconomical.And method (3) does not need oxygenation, and sludge yield is little, and required nitrogen, phosphoric are few, and working cost is low, and energy consumption is little, organism can also be converted into methane.The volumetric loading of anaerobic biological process equipment can be up to 5-15kgCOD/m
3.d.The shortcoming of method (3) be use still not too extensive.1974,1981, nineteen eighty-three, 1985 are successively in Britain, the Germany, the U.S. and China have held four " international anaerobic digestion techniques discussion ", according to the meeting paper report, have produced a series of novel procesies, new technology, new installation at present on anaerobic digestion techniques, as anaerobic biofilter, anaerobic expanded bed, up-flow anaerobic sludge blanket, TPAD, technology such as anaerobic fluidized bed, the load that these devices have can reach 10-30kgCOD/M
3.d; The residence time was not generally waited at 3-70 hour, and the influent concentration scope is 1-100gCOD/L, and the COD clearance is 60-90%.But the anaerobic biological process range of application be only limited to butcher, industry high-concentration waste water such as beverage, alcohol.For other trade effluents, the acid waste water of discharging as the MALEIC ANHYDRIDE device did not still carry out research.At home, North China Pharmaceutical Factory and Beijing environmental protection once carried out the research of handling the useless wine with dregs of third fourth with up-flow anaerobic sludge blanket technology (UASB method) in nineteen eighty-two, obtained effect preferably.And anaerobic fluidized bed technology (AFB method) and TPAD technology only are in the experimental phase.
MALEIC ANHYDRIDE (cis-butenedioic anhydride) waste water is a kind of high density organic acidity waste water, wherein contains nearly 50 kinds of organism: as alkanes substance higher alkane (C is arranged
20-C
26), 3-ethyl-5-(2-ethyl-butyl) 18 alkane, 1.4-dioxo spiral shell (4,5) decane; 1-butyl-3-phenyl-1.3-propanedione is arranged the ketone thing and isomer is multiple, 3-oxyethyl group-1(3H)-isobenzofuranone, 2-methoxyl group-2-octen-4-one; Organic acid substance has 4-carboxyl butyric acid, butyric acid, capric acid, phenylformic acid, butene dioic acid; The anhydrides material has maleic acid anhydride, 2.3-dimethyl succinic acid acid anhydride, phosphorus benzene bis-acid potassium acid anhydride, 3-methylphthalic acid acid anhydride; The alcohols thing has the 2-methylbenzyl alcohol; Ester class thing has dipropyl phthalate, diheptyl phthalate, dimixo-octyl phthalate, diethyl phthalate, monomethyl succinate, phthalic acid mono-methyl etc.
The following scope of waste strength that certain maleic anhydride unit is discharged:
COD 70-80g/L
BOD
510-15g/L
TOC 34-35g/L
Volatile acid 1.44-1.60g/L
BOD
5/COD 0.16
PH 1.6-2.0
From water sample, organic concentration is very high, and acidity is stronger, and BOD/COD ratio is less, and biodegradability is relatively poor.The treatment process that adopts both at home and abroad for this waste water has two kinds: a kind of method is that waste water is mixed among the fuel, and the organic compound combustion in the waste water is fallen; Another kind method is with a large amount of fresh waters organic waste water to be diluted earlier, carries out aerobe method again and handles.These two kinds of methods all will consume a large amount of energy, and process cost is higher.The objective of the invention is to select a kind of efficient and economic treatment of waste water of cis-anhydride by anaerobic biological process novel process.
Feature of the present invention is to adopt the anaerobe filter bed reactor of particular design to come treatment of waste water of cis-anhydride.Entire treatment technology comprises water distribution temperature adjustment operation and biologic treatment process, with alkali the waste water pH value is transferred to 3.8-6.8 in water distribution temperature adjustment operation, and heats to 38-40 ℃, enters anaerobe filter bed reactor then and carries out a biological disposal upon temperature of reaction 35-38 ℃.Waste water enters from the reactor bottom water-in, and the mud section is passed through at the upper reaches successively, packing section, and three phase separation section and settling section are drawn methane gas in the three phase separation section, at settling section overflow collection groove drawing-off water.(seeing accompanying drawing)
The profile of reactor is: the bottom is a cone taper 30-45 °, and top is a garden tubular, and the length-to-diameter ratio of garden tube is 2/1-4/1, the garden tube can divide down, in, last three sections, hypomere is equipped with filler, triphase separator is installed, with the water behind the separating reaction, mud and methane gas in the tube of stage casing.Epimere is equipped with overflow groove, mud scum inner core and water outlet.Whole reactor is divided into mud section (base cone portion), packing section (tube bottom, garden), totally four sections of three phase separation section (garden tube middle part) settling sections (tube top, garden).During normal running, sewage enters from reactor base cone portion water-in, and the mud section is flow through at the upper reaches successively, and packing section, three phase separation section, settling section flow out from overflow collection groove water outlet then.The methane gas that generates is drawn from three phase separation section air outlet.The space of this device conical part has the characteristics of up-flow anaerobic sludge blanket technology (UADB method), and the garden tube partly has the feature of anaerobe filter bed.On filter bed, can generate microbial film, have high processing efficient.Filter bed can select for use specific surface big, is difficult for stopping up, and biomembranous material easy to hang is done filler, as activated carbon, coke, the wadding of hydroformylation polyvinyl etc.; Especially with hydroformylation polyvinyl wadding the best.
Another main points of the present invention are to select to cultivate a kind of anaerobic species that is adapted to waste water of cis-anhydride.Anaerobic species has four kinds usually: (A) the hydrolysis bacterium-it can be low molecule with macromolecule hydrolysis; (B) the acidifying bacterium-it can become organic molecule the volatility fatty acid; (C) acetic bacteria-it can resolve into CO with low molecule organic matter
2And H
2; (D) methanobacteria-it can resolve into methane gas with low molecule organic matter, CO
2It is very fast that first three plants the mushroom breeding, applied range, and the 4th kind of culture propagation is slower.Generally exist simultaneously these four kinds of bacterium of anaerobic sludge system.The present invention selects for use the simultaneous anaeration in normal temperature digested sludge of these four kinds of bacterial classifications to carry out the matrix domestication as bacterial classification, and acclimation temperature maintains 30-38 ℃, and domestication is divided into four-stage, so that bacterial classification adapts to waste water of cis-anhydride water quality gradually.
(I) sugar activation rejuvenation stage: with 0.50-1.00KgCOD/m
3.d the nutritive medium that load drops into the glucose preparation activates, up to normal gas producing and till certain COD removal effect is arranged.
(II) sugar adds the sour water domestication stage: the cis-butenedioic anhydride sour water is by increase gradually on a small quantity, and the grape amount is by reducing greatly gradually, up to replacing with sour water fully.Can adjust gradually by the factor of created gase and the COD clearance changing conditions of device.
(III) sour water domestication stage: than underload (0.5KgCOD/m
3.d) begin to improve gradually load under, and introduce recirculation water and regulate.When going out water ph value and obviously descend, should in water inlet, add a certain amount of alkali, the PH of control motion device mixing water is stabilized in about 6.8.
(IV) carries load stage: make load by 0.5-1.0KgCOD/m
3.d bring up to 1-2KgCOD/m gradually
3.d → 8KgCOD/m
3.d or higher.And clearance should not be lower than 72%, and factor of created gase maintains 300-360L/KgCOD, and influent concentration is at 15000-30000mg/L.
Embodiment:
(1)-10 days on the 4th August: water inlet COD17.005g/L, flooding quantity 81.4m
3Temperature of reaction: 38 ℃; 1.54 days residence time, water inlet PH6.8, water outlet COD3.194g/L, COD clearance 81.2%, volumetric loading: 10.98KgCOD/m
3.d.
(2)-21 days on the 14th August: water inlet COD18.22g/L, flooding quantity 70M
3, temperature of reaction: 38 ℃, the residence time: 1.8 days, water inlet PH6.7, water outlet COD4.298g/L, clearance 76.42%, volumetric loading 10.1KgCOD/m
3.d.
(3)-30 days on the 28th August: water inlet COD17.577g/L, flooding quantity 29.5m
3, temperature of reaction: 38 ℃, 1.42 days residence time; Water inlet PH6.5; Water outlet COD3.64g/L, COD clearance 79.29%, volumetric loading: 9.87KgCOD/m
3.d.
Description of drawings:
1, water distribution temperature adjustment jar 2, anaerobe filter bed reactor
2-1, mud section 2-2, packing section
2-3, three phase separation section 2-4, settling section
3, return tank 4, waste water pump
5, the backflow water pump
Claims (2)
1, a kind of technology of treatment of waste water of cis-anhydride by anaerobic biological process comprises water distribution temperature adjustment operation and biologic treatment process, with alkali the waste water pH value is adjusted to 3.8-6.8 in water distribution temperature adjustment operation, temperature regulation is at 38-40 ℃, advance anaerobe filter bed reactor then and carry out a biological disposal upon, temperature of reaction is controlled at 35-38 ℃; Bio-filter bed reactor is by water-in water inlet down, and methane gas by mud section, packing section, three phase separation section and settling section, is drawn in the three phase separation section successively in the upper reaches, at settling section overflow collection groove drawing-off water, and makes portion water reflux reflux ratio 5-15.
2, a kind of anaerobe filter bed reactor is characterized in that the bottom is taper; top is the garden tubular; garden tube length-to-diameter ratio 2/1-4/1; the hypomere of garden tube is that packing section can be loaded coke, and haydite or the wadding of hydroformylation polyvinyl, the especially wadding of hydroformylation polyvinyl are optimum; in the stage casing of garden tube is the three phase separation section; draw gas at this: press dress mud scum tube in the inside of garden tube epimere, clear water overflow collection groove is installed, draw clear water from the collection groove at the outer wall of garden tube epimere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90101718A CN1055529A (en) | 1990-04-02 | 1990-04-02 | Treatment of waste water of cis-anhydride by anaerobic biological process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90101718A CN1055529A (en) | 1990-04-02 | 1990-04-02 | Treatment of waste water of cis-anhydride by anaerobic biological process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1055529A true CN1055529A (en) | 1991-10-23 |
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ID=4877215
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90101718A Pending CN1055529A (en) | 1990-04-02 | 1990-04-02 | Treatment of waste water of cis-anhydride by anaerobic biological process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415663C (en) * | 2005-06-09 | 2008-09-03 | 西安交通大学 | High-load self-circulating in vitro anaerobic granular sludge suspended bed reactor |
| CN101492229B (en) * | 2009-03-12 | 2011-07-20 | 农业部环境保护科研监测所 | Pulling flow type anaerobe reactor |
| CN101370739B (en) * | 2006-01-05 | 2013-09-18 | 威立雅水务技术支持公司 | Process and reactor for anaerobic waste water purification |
| CN104926024A (en) * | 2015-05-25 | 2015-09-23 | 濮阳市盛源能源科技股份有限公司 | Novel process for treating maleic anhydride wastewater |
| CN109231716A (en) * | 2018-11-14 | 2019-01-18 | 山东汇丰石化集团有限公司 | A kind of pair of cis-butenedioic anhydride sewage handle and the system of by-product fuel gas |
-
1990
- 1990-04-02 CN CN90101718A patent/CN1055529A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415663C (en) * | 2005-06-09 | 2008-09-03 | 西安交通大学 | High-load self-circulating in vitro anaerobic granular sludge suspended bed reactor |
| CN101370739B (en) * | 2006-01-05 | 2013-09-18 | 威立雅水务技术支持公司 | Process and reactor for anaerobic waste water purification |
| CN101492229B (en) * | 2009-03-12 | 2011-07-20 | 农业部环境保护科研监测所 | Pulling flow type anaerobe reactor |
| CN104926024A (en) * | 2015-05-25 | 2015-09-23 | 濮阳市盛源能源科技股份有限公司 | Novel process for treating maleic anhydride wastewater |
| CN109231716A (en) * | 2018-11-14 | 2019-01-18 | 山东汇丰石化集团有限公司 | A kind of pair of cis-butenedioic anhydride sewage handle and the system of by-product fuel gas |
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