CN106277476A - A kind of processing system of municipal middle water reuse - Google Patents

A kind of processing system of municipal middle water reuse Download PDF

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Publication number
CN106277476A
CN106277476A CN201610886616.2A CN201610886616A CN106277476A CN 106277476 A CN106277476 A CN 106277476A CN 201610886616 A CN201610886616 A CN 201610886616A CN 106277476 A CN106277476 A CN 106277476A
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CN
China
Prior art keywords
control valve
water
filter
processing system
computing model
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Pending
Application number
CN201610886616.2A
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Chinese (zh)
Inventor
郑观文
曹顺安
彭巧玲
杜艳超
杨苑霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhanjiang Utilities Electric Co Ltd
Wuhan University WHU
Original Assignee
Zhanjiang Utilities Electric Co Ltd
Wuhan University WHU
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Filing date
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Application filed by Zhanjiang Utilities Electric Co Ltd, Wuhan University WHU filed Critical Zhanjiang Utilities Electric Co Ltd
Priority to CN201610886616.2A priority Critical patent/CN106277476A/en
Publication of CN106277476A publication Critical patent/CN106277476A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/14—NH3-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Abstract

The present invention relates to the processing system of a kind of municipal middle water reuse, belong to water treatment field.Including the pipe-line mixer being sequentially connected, partition plate reaction tank and tube settler, described tube settler exhalant canal is provided with COD on-line computing model and NH3N on-line computing model, then the two-way of parallel connection it is divided into, one tunnel passes sequentially through the first control valve, zeolite filter, the second control valve, and another road passes sequentially through the 3rd control valve, mechanical filter, the 4th control valve, through the second COD on-line computing model and the 2nd NH after the path merging of two parallel connections3N on-line computing model is connected with clear water reserviors；Described clear water reserviors water outlet is connected with ultrafiltration water tank through self-cleaning filter, hyperfiltration membrane assembly；Described ultrafiltration water tank is connected with reverse osmosis produced water tank through cartridge filter, high-pressure pump, reverse osmosis membrane assembly.The processing system flow process of the present invention is simple, Construction and operation low cost, controls convenient management, and water outlet reaches and be better than power plant circulating cooling water to supplement the water quality requirement of water.

Description

A kind of processing system of municipal middle water reuse
Technical field
The invention belongs to water-treatment technology field, be specifically related to the processing system of a kind of municipal middle water reuse.
Background technology
Along with shortage, the aggravation of water pollution and the increasingly stringent of environmental requirement of water resource, as the thermoelectricity of water consumption rich and influential family Factory Yi Shui rations the power supply, determines the situation of electricity with water day by day seriously, and energy-saving and emission-reduction, Treated sewage reusing are that the important of this contradiction is alleviated in thermal power plant Means.After municipal middle water refers to that municipal sewage reaches certain water standard after treatment, can reuse within the specific limits Undrinkable water, its water quality is between Shang Shui (tap water) and lower water (sewage).As the second water source newly opened up, in city Water has that the water yield is big, water stabilization, from the horse's mouth, need not the feature of long distance water diversion, be back to thermal power plant at present and mainly use Make recirculating cooling water system moisturizing and boiler feedwater, both embodied energy-saving and emission-reduction, the policy of cleaning production, and met again development and follow Ring economy, the objective built a resource-conserving society, the sustainable development for power industry simultaneously has been expanded space, has been had important Economy, society and environmental benefit.
Municipal middle water water quality is complicated, processes water outlet for the two stage biological of municipal sewage plant, Organic substance in water, ammonia nitrogen, Salt content is high, and bacterial population is complicated, and corrosion and scaling tendency is big, and therefore Treated sewage reusing must carry out advanced treating in thermal power plant, Remove remaining float, colloid, Organic substance, inorganic salts (such as nitrogen, phosphorus, heavy metal etc.), pigment, antibacterial and virus further Deng.According to middle water water quality characteristics, Treated sewage reusing treatment technology can be divided at physicochemical treatment method, biology by treatment mechanism difference Logos, membrane processing method three major types.Physical-chemical process refers to the method using the comprehensive function of physics and chemistry to purify waste water, conventional Technology have flocculation sediment, absorption, sand filtration, sterilization, evaporation and concentration etc..This processing method operational management is simple, convenient, takes up an area phase To less, but effluent quality is affected by coagulant kind and consumption, has certain undulatory property.Biological treatment is to utilize in water Organic substance in the absorption of microorganism, oxidation Decomposition sewage and inorganic matter, thus reach to remove pollutant in water, purify water Purpose, conventional technology has contact oxidation method, activated sludge process and other deformation technique, including oxidation ditch process (OD), Sequencing batch reactor activated sludge process (SBR), Adsorption-Biodegradation technique (AB), anaerobic-aerobic technique (A/O), anaerobic-anoxic-good Oxygen method technique (A/A/O), circulating active sludge technique (CASS).Biological treatment effluent quality is relatively stable, but water yield load Change adaptation ability is little, and intermittent running adapts to ability, and running management is more complicated.Membrane processing method is to utilize at membrane separation technique Reason water, under the effect of external force, the solution-selective separated passes through film.Membrane processing method equipment controls simply, effluent quality is steady Determine, take up an area less, it is easy to automatically control.But equipment investment and operating cost are higher, easily there is fouling membrane.Water treatment by membrane work at present Skill is mainly used in the boiler feed water system that water quality requirement is higher.
In order to reach power plant water water quality requirement, typically often physical-chemical process, biological treatment, membrane processing method are combined Come, it is achieved the advanced treating of middle water.Wherein physical-chemical process mainly uses coagulating sedimentation with the float removing in water, colloid etc. Impurity, membrane processing method being most widely used with reverse osmosis, it is mainly used in desalination, biological treatment can effectively be removed in water because of it Organic substance and ammonia nitrogen, to alleviate the Organic Pollution of subsequent film system, prolonging service lifetime of film and in Treated sewage reusing apply Extensively.But during biological treatment typically requires, water has suitable carbon-nitrogen ratio, and the most not only denitrification effect is bad, also can affect organic The removal of thing.Organic concentration is too high, and biochemical process is suppressed, too low, because carbon source deficiency causes biological denitrificaion not enter OK, additional carbon then can make operating cost increase.
Summary of the invention
The technical problem to be solved is to provide a kind of while effectively removing Organic substance in water and ammonia nitrogen, fortune Row convenient management, the municipal middle water recycling processing system of prolonging service lifetime of film.
The processing system of a kind of municipal middle water reuse, including the pipe-line mixer being sequentially connected, partition plate reaction tank and inclined tube Sedimentation tank, described tube settler exhalant canal is provided with COD on-line computing model and NH3-N on-line computing model, is then divided into also The two-way of connection, a road passes sequentially through the first control valve, zeolite filter, the second control valve, and another road passes sequentially through the 3rd control Valve, mechanical filter, the 4th control valve, through the second COD on-line computing model and the 2nd NH after the path merging of two parallel connections3-N exists Line monitor is connected with clear water reserviors；Described clear water reserviors water outlet is connected with ultrafiltration water tank through self-cleaning filter, hyperfiltration membrane assembly；Institute State ultrafiltration water tank to be connected with reverse osmosis produced water tank through cartridge filter, high-pressure pump, reverse osmosis membrane assembly.
Wherein in an embodiment, the filtrate in described zeolite filter is modified zeolite, utilizes heating by natural The internal gutter of zeolite is got through, and increases its specific surface area, and increases the friendship of its ion by the method for the salt solution soaking such as sodium chloride Change capacity, improve adsorptivity and the cation exchange property of natural zeolite.
Wherein in an embodiment, the outlet of described tube settler passes through COD on-line computing model, NH3-N is online Monitor and the first control valve are connected with described zeolite filter；The outlet of described zeolite filter by the second control valve, COD on-line computing model, NH3-N on-line computing model is connected with clear water reserviors inlet channel；When tube settler water outlet COD >= When 15mg/L, ammonia nitrogen >=5mg/L, the 3rd control valve and the 4th control valve are closed, and the first control valve and the second control valve are opened, tiltedly Pipe sedimentation tank water outlet enters clear water reserviors after zeolite filter filters.
Wherein in an embodiment, when the zeolite adsorption ability of described zeolite filter reaches saturated, by water backwash Removing float, the impurity such as colloid retained, then utilize alkaline solution regeneration to recover its exchange capacity, its regenerative process is: NH4Z+Na++OH-=NaZ+NH3+H2O, by exchange NH up4 +With NH3Form exchanged, and NH3Can micro-from zeolite Hole escapes.
Wherein in an embodiment, the filtrate of described mechanical filter is quartz sand；The water outlet of described tube settler Mouth is by COD on-line computing model, NH3-N on-line computing model and the 3rd control valve are connected with described mechanical filter；Described machinery The outlet of filter passes through the 4th control valve, COD on-line computing model, NH3-N on-line computing model with clear water reserviors inlet channel Connect；As COD ＜ 15mg/L, the ammonia nitrogen ＜ 5mg/L of tube settler water outlet, the first control valve and the second control valve are closed, 3rd control valve and the 4th control valve are opened, and tube settler water outlet enters clear water reserviors after mechanical filter filters.
By using above-mentioned municipal middle water recycling processing system, can effectively remove float, Organic substance and the ammonia in a good appetite suddenly appearing in a serious disease water The impurity such as nitrogen, film is greatly prolonged service life, controls convenient management, it is achieved water outlet reaches and be better than power plant circulating cooling water to mend The water quality requirement of water-filling, also acts as boiler feedwater after ion exchange, before having the most wide application in Treated sewage reusing Scape.
Accompanying drawing explanation
Fig. 1 is the structural representation of the processing system of a kind of municipal middle water reuse.Wherein, 1-pipe-line mixer, 2-dividing plate Reaction tank, 3-tube settler, 4-COD on-line computing model, 5-NH3-N on-line computing model, 6-the first control valve, 7-zeolite filtration Device, 8-the second control valve, 9-the 3rd control valve, 10-mechanical filter, 11-the 4th control valve, 12-the 2nd COD on-line monitoring Instrument, 13-the 2nd NH3-N on-line computing model, 14-clear water reserviors, 15-self-cleaning filter, 16-hyperfiltration membrane assembly, 17-ultrafiltration water Case, 18-cartridge filter, 19-high-pressure pump, 20-reverse osmosis membrane assembly, the reverse osmosis produced water tank of 21-.
Detailed description of the invention
As it is shown in figure 1, the processing system of a kind of municipal middle water reuse, anti-including the pipe-line mixer being sequentially connected, dividing plate Ying Chi and tube settler, described tube settler exhalant canal is provided with COD on-line computing model 4 and NH3-N on-line computing model 5, then it is divided into the two-way of parallel connection, a road passes sequentially through the first control valve, zeolite filter, the second control valve, and another road is successively By the 3rd control valve, mechanical filter, the 4th control valve, through the second COD on-line computing model after the path merging of two parallel connections 12 and the 2nd NH3-N on-line computing model 13 is connected with clear water reserviors；Described clear water reserviors water outlet is through self-cleaning filter 15, ultrafilter membrane group Part 16 is connected with ultrafiltration water tank 17；Described ultrafiltration water tank is through cartridge filter 18, high-pressure pump 19, reverse osmosis membrane assembly 20 and reverse osmosis Thoroughly produce water tank 21 to connect.
In the present embodiment, the filtrate in described zeolite filter is modified zeolite, utilizes heating by natural zeolite Internal gutter get through, increase its specific surface area, and increase the exchange of its ion by the method for the salt solution soaking such as sodium chloride and hold Amount, improves adsorptivity and the cation exchange property of natural zeolite.
Further, in the present embodiment, the outlet of described tube settler passes through COD on-line computing model, NH3-N exists Line monitor and the first control valve are connected with described zeolite filter；The outlet of described zeolite filter is by the second control Valve, the 2nd COD on-line computing model, the 2nd NH3-N on-line computing model is connected with clear water reserviors inlet channel；When tube settler goes out When COD >=the 15mg/L of water, ammonia nitrogen >=5mg/L, the 3rd control valve and the 4th control valve are closed, and the first control valve and second controls Valve is opened, and tube settler water outlet enters clear water reserviors after zeolite filter filters.
Further, in the present embodiment, when the zeolite adsorption ability of described zeolite filter reaches saturated, anti-by water Wash away except impurity such as the float retained, colloids, then utilize alkaline solution regeneration to recover its exchange capacity, its regenerative process For: NH4Z+Na++OH-=NaZ+NH3+H2O, by exchange NH up4 +With NH3Form exchanged, and NH3Can be from zeolite Micropore in escape.
Further, in the present embodiment, the filtrate of described mechanical filter is quartz sand；Going out of described tube settler COD on-line computing model, NH are passed through in the mouth of a river3-N on-line computing model and the 3rd control valve are connected with described mechanical filter；Described machine The outlet of tool filter passes through the 4th control valve, the 2nd COD on-line computing model, the 2nd NH3-N on-line computing model and and clear water Pond inlet channel connects；As COD ＜ 15mg/L, the ammonia nitrogen ＜ 5mg/L of tube settler water outlet, the first control valve and the second control Valve processed cuts out, and the 3rd control valve and the 4th control valve are opened, and tube settler water outlet enters clear water after mechanical filter filters Pond.
In one embodiment, use the inventive method for the Treatment for Reuse of municipal middle water, result of the test such as table 1 He Shown in table 2.
Table 1
Project Flocculation reaction deposition pond intakes The water outlet of flocculation reaction deposition pond Mechanical filter water outlet Ultra-filtration water Reverse osmosis water outlet
COD(mg/L) 15 12 12 11 1
NH3-N(mg/L) 3.3 3.3 3.3 3.3 0.1
Table 2
Project Flocculation reaction deposition pond intakes The water outlet of flocculation reaction deposition pond Zeolite filter water outlet Ultra-filtration water Reverse osmosis water outlet
COD(mg/L) 30 19 14 14 2
NH3-N(mg/L) 10.3 10.1 1.5 1.5 0.1
Contrasted from Tables 1 and 2, as COD >=15mg/L, the ammonia nitrogen >=5mg/L of tube settler water outlet, zeolite filter The pollutant such as Organic substance and the ammonia nitrogen that can effectively remove a good appetite suddenly appearing in a serious disease water, the clearance of pollutant is respectively 26% and 85%, decreases entrance The pollutant of membranous system, thus decelerating membrane pollution, prolonging service lifetime of film, it is achieved water outlet reaches and is better than circulating cooling Water supplements the water quality requirement of water, also acts as boiler feedwater after ion exchange.This processing system flow process is simple, Construction and operation Low cost, it is easy to operation management, has the most wide application prospect in Treated sewage reusing.

Claims (6)

1. the processing system of a municipal middle water reuse, it is characterised in that include pipe-line mixer, the dividing plate reaction being sequentially connected Pond and tube settler, described tube settler exhalant canal is provided with COD on-line computing model and NH3-N on-line computing model, so After be divided into parallel connection two-way, a road passes sequentially through the first control valve, zeolite filter, the second control valve, and another road passes sequentially through 3rd control valve, mechanical filter, the 4th control valve, the path of two parallel connections merge after through the second COD on-line computing model and the Two NH3-N on-line computing model is connected with clear water reserviors；Described clear water reserviors water outlet is through self-cleaning filter, hyperfiltration membrane assembly and ultrafiltration water Case connects；Described ultrafiltration water tank is connected with reverse osmosis produced water tank through cartridge filter, high-pressure pump, reverse osmosis membrane assembly.
2. processing system as claimed in claim 1, it is characterised in that the filtrate in described zeolite filter is modified zeolite, Utilize heating to be got through by the internal gutter of natural zeolite, increase its specific surface area, and increase by the method for salt solution soaking Its ion exchange capacity.
3. processing system as claimed in claim 1, it is characterised in that when COD >=15mg/L, the ammonia nitrogen of tube settler water outlet During >=5mg/L, the 3rd control valve and the 4th control valve are closed, and the first control valve and the second control valve are opened.
4. processing system as claimed in claim 1, it is characterised in that the zeolite adsorption ability of described zeolite filter reaches full And time, removed the impurity retained by water backwash, then utilize alkaline solution regeneration to recover its exchange capacity.
5. processing system as claimed in claim 1, it is characterised in that the filtrate of described mechanical filter is quartz sand.
6. processing system as claimed in claim 1, it is characterised in that when COD ＜ 15mg/L, the ammonia nitrogen of tube settler water outlet During ＜ 5mg/L, the first control valve and the second control valve are closed, and the 3rd control valve and the 4th control valve are opened.
CN201610886616.2A 2016-10-11 2016-10-11 A kind of processing system of municipal middle water reuse Pending CN106277476A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162391A (en) * 1979-06-04 1980-12-17 Hitachi Chem Co Ltd Membran filtering method
CN101333049A (en) * 2007-07-25 2008-12-31 北京中科国益环保工程有限公司 Advanced treatment and reclamation method for oil-salts containing sewerage
CN201512441U (en) * 2009-09-30 2010-06-23 张大群 Equipment for treating sewage into reclaimed water
CN102838227A (en) * 2012-08-16 2012-12-26 浙江东发环保工程有限公司 System and method for treating industrial park recycled water to form power plant boiler supplemental water
CN103030236A (en) * 2012-12-19 2013-04-10 中国海洋石油总公司 Micro multifunctional continuous water treatment device
CN204661466U (en) * 2015-05-26 2015-09-23 四川长河环保工程有限公司 Mark sub-prime advanced treatment system is carried by sewage work

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162391A (en) * 1979-06-04 1980-12-17 Hitachi Chem Co Ltd Membran filtering method
CN101333049A (en) * 2007-07-25 2008-12-31 北京中科国益环保工程有限公司 Advanced treatment and reclamation method for oil-salts containing sewerage
CN201512441U (en) * 2009-09-30 2010-06-23 张大群 Equipment for treating sewage into reclaimed water
CN102838227A (en) * 2012-08-16 2012-12-26 浙江东发环保工程有限公司 System and method for treating industrial park recycled water to form power plant boiler supplemental water
CN103030236A (en) * 2012-12-19 2013-04-10 中国海洋石油总公司 Micro multifunctional continuous water treatment device
CN204661466U (en) * 2015-05-26 2015-09-23 四川长河环保工程有限公司 Mark sub-prime advanced treatment system is carried by sewage work

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《水工业市场》杂志社: "《2011水处理典型技术案例大全》", 31 March 2012, 北京：中国环境科学出版社 *
曾跃等: "沸石及其再生脱氮处理微污染水体效果比较分析", 《中国环境科学学会学术年会论文集》 *

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