CN101381186A - Multi-stage ecological purification technique of drinking water resource - Google Patents

Multi-stage ecological purification technique of drinking water resource Download PDF

Info

Publication number
CN101381186A
CN101381186A CNA2008101551190A CN200810155119A CN101381186A CN 101381186 A CN101381186 A CN 101381186A CN A2008101551190 A CNA2008101551190 A CN A2008101551190A CN 200810155119 A CN200810155119 A CN 200810155119A CN 101381186 A CN101381186 A CN 101381186A
Authority
CN
China
Prior art keywords
water
drinking water
purification technique
ecological purification
water resource
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
Application number
CNA2008101551190A
Other languages
Chinese (zh)
Other versions
CN101381186B (en
Inventor
张利民
陆继来
夏明芳
王燕枫
方华
阮晓红
李富果
刘伟
王春
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.)
Jiangsu Provincial Academy of Environmental Science
Original Assignee
Jiangsu Provincial Academy of Environmental Science
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Provincial Academy of Environmental Science filed Critical Jiangsu Provincial Academy of Environmental Science
Priority to CN2008101551190A priority Critical patent/CN101381186B/en
Publication of CN101381186A publication Critical patent/CN101381186A/en
Application granted granted Critical
Publication of CN101381186B publication Critical patent/CN101381186B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

The invention discloses a multilevel ecological purification process for drinking water sources. The process is formed by four process units in series, namely a sedimentation tank, a biochemical tank, a constructed wetland and a regulating storage reservoir. Raw water passes through the sedimentation tank, the biochemical tank, the constructed wetland and the regulating storage reservoir in turn, and after the quality of water in the regulating storage reservoir meets the requirement on the water quality of drinking water sources, the water in the regulating storage reservoir is supplied as the raw water for water plants. The process can play a good role in purifying and guaranteeing water quality when drinking water sources can not meet the water quality standard of the water sources or exogenous sudden pollution accidents happen.

Description

A kind of multi-stage ecological purification technique of drinking water resource
Technical field
The invention belongs to environmental protection technical field, relate to a kind of purification process of drinking water resource.
Background technology
Drinking-water quality and HUMAN HEALTH are closely bound up.Past because the water source cleaner, pollutes less, the main task of water conservancy project author be the removal water in turbidity and bacteriophage.Along with modern industry develops rapidly, urbanization and explosive population growth, a large amount of dischargings of sanitary sewage and trade effluent, using and running off of chemical fertilizer, agricultural chemicals makes water body suffer pollution in various degree.At present, the pollution of surface water water body concentrates on the organic contamination aspect, particularly controls trace toxic organism in the water, has become the big focus of one in the water treatment field.Organic compound increases to 53 by 5 in the existing water quality standard for drinking water of China (GB 5749-2006) the toxicity index, pollutant component becomes increasingly complex, and has not been that the existing conventional treatment process (coagulation, precipitation, filtration and sterilization) in China waterworks can be removed.Increase necessary pre-treatment or advanced treatment process and just can produce the tap water of health, safety, guarantee that the resident is healthy.
At present, at the problems referred to above, the safety of drinking water safeguards technique obtains paying attention to.In recent years, multiple new techniques such as enhanced coagulation, intensive filtration, membrane sepn (ultrafiltration, nanofiltration), ozone and activated carbon, biological activated carbon are introduced into the treating processes of tap water one after another.But above-mentioned technology is primarily aimed in the water factory water treatment carries out, and the pre-treatment of drinking water resource is lacked relevant support technology.And electric energy, pharmaceutical quantities that prior art consumes are all very big, and running cost is high, and the maintenance management complexity is not suitable for the protection and the purification of source water.
Tap water Ecological Disposal technology is just to rise over nearly 20 years, comprises biomimetic material bio-oxidation, artificial swamp, reservoir storage, land treatment system etc.These processing modes can effectively be tackled the purification external contaminant, hold back the suspended substance that rainwash carries, and remove the part phosphorus and nitrogen, degradable organic pollutant.With multiple Ecological Disposal technical combinations, can bring into play advantage separately, further remove the pollutent in the water, improve water supply quality.
Summary of the invention
The multi-stage ecological purification technique of the drinking water resource that technical problem to be solved by this invention provides that a kind of technology is simple, investment and running cost are cheap can effectively ensure the water quality safety of drinking water resource.
For solving the problems of the technologies described above, thinking of the present invention is as follows: the present invention efficiently makes up water treatment method such as bio-oxidation, artificial swamp and regulating reservoir, form a kind of multi-stage ecological purification technique of drinking water resource, can effectively remove pollutents such as organism in the water and ammonia nitrogen.
Concrete technical scheme is as follows:
A kind of multi-stage ecological purification technique of drinking water resource, this technology is composed in series by settling tank, biochemistry pool (being bio-oxidation pond), artificial swamp and four technique units of regulating reservoir, former water once promotes through water pump and enters settling tank, remove big particulate matter and suspended substance by precipitating action, rely on action of gravity successively by biochemistry pool, artificial swamp and regulating reservoir then, water outlet can be stablized and satisfied drinking water resource water quality demand, directly enters to make tap water after water factory handles.
Wherein, described biochemistry pool is divided into multistage, and preferred 2~6 grades, every grade fluidised form is a vertical current, and the filler of filling in the biochemistry pool is a combined packing, and algae and microbial film are attached to growing on the filler.Described combined packing is to be that spider (skeleton), hydroformylation polyvinyl silk are evenly distributed in around the lamellar body with the plastics lamellar body.Biochemistry pool is not established aerating apparatus, and the oxygen that the photosynthesis by periphtic algae on the filler produces replenishes the dissolved oxygen that microorganism metabolism is consumed.Its at the middle and upper levels on the filler owing to be subjected to solar radiation, algae is preponderated, and can play the effect of supplemental oxygen in water by photosynthesis, forms the oxygen enrichment zone.Lower floor's filler is low because of intensity of illumination, and heterotrophic microorganism occupies advantage, mainly utilizes organism in the water as foodstuff, consumes oxygen, forms anoxic zones.Because every grade biochemistry pool all is vertical fluidised form, therefore formed multistage anaerobic-aerobic alternate environment, help the carrying out of nitrification and denitrification, can effectively reduce the nitrate content in the water.The hydraulic detention time of biochemistry pool is 2h~3d, preferred 0.5d~3d.
Wherein, described artificial swamp is a vertical current constructed wetland, adopt the combined-flow form, form by up stream wetland and downstream wetland, separate with wall between the two, the aperture is left in the body of wall bottom, and the bottom, pond is provided with impervious barrier, the artificial swamp packing material is the arbitrary proportion mixture of fine sand and slag, and the plant of wetland plantation is one or more in reed, Chinese celery, Canna generalis Bailey and the iris.The surface load of artificial swamp is 0.40~0.80m 3/ (d.m 2), long-width ratio is 1:1~2:1.
Wherein, described regulating reservoir is provided with ecological revetment and caves in to prevent the bank slope that the fluctuation of water position causes, ecological revetment is paved with spherical cellular concrete, possesses certain adsorption cleaning ability.Heavy water of plantation or emergent between the concrete space.The hydraulic detention time of regulating reservoir is 3~30d, preferred 7d.
The multi-stage ecological purification technique of drinking water resource of the present invention is compared with existing technology has following advantage:
1, tap water pretreatment system of the present invention combines multiple biological actions such as microorganism, plant, algae, and in conjunction with physics chemical action such as the filtration of artificial swamp filler, absorption, and is reasonably combined and give full play to the advantage of each processing unit.Wherein natural organic matter and ammonia nitrogen can be removed in biological processes at different levels, and hardly degraded organic substance and hydrophobic organic pollutant can be by removing through biochemical and plant absorbing after the wet land filler absorption again, and total nitrogen and total phosphorus can be removed by plant absorbing.Qualified source water can keep preferably water quality and supply with the Yuan Shui of water factory in regulating reservoir.This system handles is respond well, shows according to the actual motion effect, and this system generally can improve a grade with the water quality of source water.Promptly water outlet can reach surface water III class water when intaking to surface water IV class water, and water outlet can reach surface water II class water when water inlet is surface water III class water.
2, will there be irregular biofilm detachment phenomenon in simple biochemical purification technology in water treatment procedure, produce considerable influence for drinking-water quality.The present invention is connected the artificial swamp of vertical combined-flow behind biochemistry pool, the fluidised form of its vertical combined-flow makes the biochemistry pool water outlet to filter through the filler of over-wet land, and the microbial film of having avoided coming off enters follow-up regulating reservoir.Simultaneously, the microbial film that comes off that wet land filler is tackled can increase the organic content of wetland, helps the growth of wetland plant, and can improve the uptake rate of plant to nutritive salt such as nitrogen, phosphorus.
3, native system running cost is low.Only need in the former water treatment procedure by a water pump lifting, just utilize action of gravity to enter subsequently each reaction tank.And the biochemical treatment process need not aeration, greatly reduces the electricity charge consumption in the treating processes.Simultaneously, adopt this technology to purify raw water quality after, can effectively reduce Pollutant levels, reduce the dosage of coagulating agent and prechlorination in water factory's treating processes, reduce the running cost of water factory.
4, native system does not have machinery in the entire treatment process, so operational administrative and running maintenance are very convenient.Substantially do not need the nurse personnel under the situation of normal operation.
5, this technology is applicable to the pre-treatment of micro polluted source, also can be used for the restoration of the ecosystem and the water correction of the surface water such as lake, river, landscape water body of light contamination.
6, since this process using the multibarrier control techniques of precipitation, biochemistry, artificial swamp and regulating reservoir, formed certain system redundancy.Therefore have buffering and cleaning action preferably for sudden high density pollution, through experiment confirm, pollute (methylene dichloride, benzene, chlorobenzene etc.) for the moment high density toxic organic compound that is higher than 50 times of drinking water standards, handle the back water outlet and can satisfy tap water seedbed water quality standard.Therefore, this technology sudden poisonous organic pollution that (as pair Song Hua River pollution incident that the blast of benzene factories causes of similar Jilin Petrochemical) causes to the burst Pollution accident can play good barrier and cleaning action.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.Wherein 1 is water pump; 2 is preliminary sedimentation tank; 3 is biochemistry pool; 4 is artificial swamp; 5 is regulating reservoir.
Embodiment:
Below in conjunction with embodiment the present invention is described further.
By accompanying drawing as seen, former water is by water pump suction primary sedimentation pond, and post precipitation enters biochemistry pool, and the dark 2.5m in biochemistry pool pond divides 3 grades, fills with combined stuffing in the pond.The biochemistry pool hydraulic detention time is 3 days.Former water is removed organic pollutant, ammonia nitrogen and algae in the water by the biomembranous metabolism of apposition growth on the filler in biochemistry pool.The biochemistry pool water outlet enters artificial wet land system, and artificial swamp is divided into two-stage---downstream tank and up pond, separate with brick wall between two ponds, and the aperture is left in the body of wall bottom, so that the water outlet of downstream tank enters up pond.Thickness of wall body is 240mm.In order to prevent the seepage of former water, perhaps underground water enters treatment system is exerted an influence, and lays the thick anti seepage membrane of 0.8mm in wetland bed bottom.Artificial swamp hydraulic load 0.5m 3/ m 2D; Long-width ratio 2:1; Base slope 0.2%.Artificial swamp is realized the water purification process by physics between plant, filler and the microorganism and biological action.Wetland effluent enters regulating reservoir.The residence time of regulating reservoir is 7 days.Side slope is than being 1:2.Lay the eco-concrete ball on the side slope as shore protection.Can plant emergent between the eco-concrete simultaneously.The microorganism of growth also can further be removed the pollutent in the water in the hole of eco-concrete, makes reservoir water quality show water II class standard contentedly.Water in the reservoir can be used as the resource of water supply of water factory.
The purifying water effect of total system sees Table 1 (continuous concentration, non-bursty state):
Table 1 biology-ecologic assemblage type drinking water source water security pretreatment technology purifying water effect

Claims (10)

1, a kind of multi-stage ecological purification technique of drinking water resource, it is characterized in that this technology is composed in series by settling tank, biochemistry pool, artificial swamp and four technique units of regulating reservoir, source water is successively by settling tank, biochemistry pool, artificial swamp and regulating reservoir, water quality satisfies the drinking water resource water quality requirement in the regulating reservoir, is made for the Yuan Shui of water factory.
2, the multi-stage ecological purification technique of drinking water resource according to claim 1, it is multistage to it is characterized in that described biochemistry pool is divided into, every grade fluidised form is a vertical current, and the filler of filling in the biochemistry pool is a combined packing, and algae and microbial film are attached to growing on the filler.
3, the multi-stage ecological purification technique of drinking water resource according to claim 2 is characterized in that described combined packing is is skeleton with the plastics lamellar body, and hydroformylation polyvinyl silk is evenly distributed in around the lamellar body.
4, according to the multi-stage ecological purification technique of claim 1 or 2 or 3 described drinking water resources, the hydraulic detention time that it is characterized in that biochemistry pool is 2h~3d.
5, the multi-stage ecological purification technique of drinking water resource according to claim 4, the hydraulic detention time that it is characterized in that biochemistry pool is 0.5d~3d.
6, the multi-stage ecological purification technique of drinking water resource according to claim 1, it is characterized in that described artificial swamp is a vertical current constructed wetland, adopt the combined-flow form, form by up stream wetland and downstream wetland, separate with wall between the two, the aperture is left in the body of wall bottom, and the bottom, pond is provided with impervious barrier, the artificial swamp packing material is the arbitrary proportion mixture of fine sand and slag, and the plant of wetland plantation is one or more in reed, Chinese celery, Canna generalis Bailey and the iris.
7, according to the multi-stage ecological purification technique of claim 1 or 6 described drinking water resources, the surface load that it is characterized in that described artificial swamp is 0.40~0.80m 3/ (d.m 2), long-width ratio is 1:1~2:1.
8, the multi-stage ecological purification technique of drinking water resource according to claim 1 is characterized in that described regulating reservoir is provided with ecological revetment, and ecological revetment is paved with spherical cellular concrete, heavy water of plantation or emergent between the space.
9, according to the multi-stage ecological purification technique of claim 1 or 8 described drinking water resources, the hydraulic detention time that it is characterized in that regulating reservoir is 3~30d.
10, the multi-stage ecological purification technique of drinking water resource according to claim 9, the hydraulic detention time that it is characterized in that regulating reservoir is 7d.
CN2008101551190A 2008-10-23 2008-10-23 Multi-stage ecological purification technique of drinking water resource Expired - Fee Related CN101381186B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101551190A CN101381186B (en) 2008-10-23 2008-10-23 Multi-stage ecological purification technique of drinking water resource

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101551190A CN101381186B (en) 2008-10-23 2008-10-23 Multi-stage ecological purification technique of drinking water resource

Publications (2)

Publication Number Publication Date
CN101381186A true CN101381186A (en) 2009-03-11
CN101381186B CN101381186B (en) 2011-03-16

Family

ID=40461270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101551190A Expired - Fee Related CN101381186B (en) 2008-10-23 2008-10-23 Multi-stage ecological purification technique of drinking water resource

Country Status (1)

Country Link
CN (1) CN101381186B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560784B (en) * 2009-05-25 2010-09-29 南京大学 Regulating reservoir of drinking water source water
CN101549931B (en) * 2009-05-25 2011-10-26 南京大学 Process for treating drinking water
CN102020393B (en) * 2009-09-22 2012-04-18 中国环境科学研究院 Composite artificial wetland denitrifying and dephosphorizing device for surface flow-vertical underflow-two level surface flow
CN102503037A (en) * 2011-11-09 2012-06-20 河南科技大学 Hydroponic plant and filter dam combined eutrophication water body ex-situ remediation system
CN104150693A (en) * 2014-07-25 2014-11-19 中国环境科学研究院 Advanced turbid sewage treatment device and method for multi-segmental composite vertical flow soil infiltration device
CN104264773A (en) * 2014-09-16 2015-01-07 苏州德华生态环境科技有限公司 Flow storage wetland system for treating parking lot rainwater and adjusting microclimate
CN105984995A (en) * 2015-02-09 2016-10-05 上海勘测设计研究院有限公司 Off-site purification and water quality keeping system for water in riverway-type water source
CN107140740A (en) * 2017-05-18 2017-09-08 上海勘测设计研究院有限公司 A kind of wetland variation type method for treating water for being conducive to biologic packing material surface biological film to generate
CN107416981A (en) * 2017-05-18 2017-12-01 上海勘测设计研究院有限公司 A kind of wetland variation type water treatment system for being advantageous to the generation of biologic packing material surface biological film
CN110697981A (en) * 2019-10-21 2020-01-17 爱土工程环境科技有限公司 Wastewater treatment system and wastewater treatment process
CN111943434A (en) * 2020-08-11 2020-11-17 湖南艾布鲁环保科技股份有限公司 Micro-polluted drinking water source biological ecological restoration system and method

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560784B (en) * 2009-05-25 2010-09-29 南京大学 Regulating reservoir of drinking water source water
CN101549931B (en) * 2009-05-25 2011-10-26 南京大学 Process for treating drinking water
CN102020393B (en) * 2009-09-22 2012-04-18 中国环境科学研究院 Composite artificial wetland denitrifying and dephosphorizing device for surface flow-vertical underflow-two level surface flow
CN102503037A (en) * 2011-11-09 2012-06-20 河南科技大学 Hydroponic plant and filter dam combined eutrophication water body ex-situ remediation system
CN102503037B (en) * 2011-11-09 2013-06-12 河南科技大学 Hydroponic plant and filter dam combined eutrophication water body ex-situ remediation system
CN104150693A (en) * 2014-07-25 2014-11-19 中国环境科学研究院 Advanced turbid sewage treatment device and method for multi-segmental composite vertical flow soil infiltration device
CN104264773A (en) * 2014-09-16 2015-01-07 苏州德华生态环境科技有限公司 Flow storage wetland system for treating parking lot rainwater and adjusting microclimate
CN104264773B (en) * 2014-09-16 2016-06-01 苏州德华生态环境科技有限公司 A kind of for the treatment of parking lot rainwater and the storage stream wet land system regulating miniclimate
CN105984995A (en) * 2015-02-09 2016-10-05 上海勘测设计研究院有限公司 Off-site purification and water quality keeping system for water in riverway-type water source
CN107140740A (en) * 2017-05-18 2017-09-08 上海勘测设计研究院有限公司 A kind of wetland variation type method for treating water for being conducive to biologic packing material surface biological film to generate
CN107416981A (en) * 2017-05-18 2017-12-01 上海勘测设计研究院有限公司 A kind of wetland variation type water treatment system for being advantageous to the generation of biologic packing material surface biological film
CN107416981B (en) * 2017-05-18 2020-07-28 上海勘测设计研究院有限公司 Wetland treatment type water treatment system beneficial to generation of biofilm on surface of biological filler
CN107140740B (en) * 2017-05-18 2020-07-28 上海勘测设计研究院有限公司 Wetland treatment type water treatment method beneficial to generation of biofilm on surface of biological filler
CN110697981A (en) * 2019-10-21 2020-01-17 爱土工程环境科技有限公司 Wastewater treatment system and wastewater treatment process
CN111943434A (en) * 2020-08-11 2020-11-17 湖南艾布鲁环保科技股份有限公司 Micro-polluted drinking water source biological ecological restoration system and method

Also Published As

Publication number Publication date
CN101381186B (en) 2011-03-16

Similar Documents

Publication Publication Date Title
CN101381186B (en) Multi-stage ecological purification technique of drinking water resource
US6635177B2 (en) Reclaiming water and usable brine concentrate from domestic sewage
US20090255862A1 (en) Eco-treament system
CN103523998A (en) Purification method of controlling foreign pollution source and ecologically restoring black-odor riverway
CN103739079A (en) Method for ecological restoration and water quality conservation of river water
CN102515442A (en) Treatment method for recycling complex waste water in coal chemical industry
CN104250057A (en) Photocatalytic oxidation and ecological remediation combined integrated water body restoration device
CN102464404B (en) Method and system for remediation and treatment of polluted river water
CN103723820A (en) Solar aeration-plant bed supported device with biological membrane
CN204324990U (en) Be applicable to the multi-stage biological filter tank-ecological pond purification system into lake landscape water body
CN203768124U (en) Ecological filter for micro-polluted water treatment
CN104528931A (en) Biological aerated filter using barley straws as substrate and application thereof
CN108911155B (en) A kind of hybrid constructed wetland system and its method for handling low-concentration heavy metal sewage
CN105130096A (en) Chemical engineering sewage deep treatment system
CN103172226A (en) Surface water stagnation type baffling wetland system for synchronously and intensively removing nitrogen, phosphorus and estrogen
CN104230094A (en) Method for deeply treating industrial organic sewage by utilizing plant composite bed
CN103739172B (en) Water circulating and reusing method for industrial parks
Shrestha Specific moving bed biofilm reactor in nutrient removal from municipal wastewater
CN204958501U (en) High salt pretreatment of water device
CN204981513U (en) Treatment unit for pesticide -containing wastewater
CN105884144A (en) Process for efficiently treating sewage
CN204058195U (en) The integrated water body prosthetic device that photochemical catalytic oxidation combines with restoration of the ecosystem
CN207143043U (en) A kind of intermetallic composite coating sewage treatment equipment
CN103910469B (en) The treatment process of the brine waste that food-processing produces
CN208327740U (en) A kind of environment-friendly sewage processing system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110316

Termination date: 20161023

CF01 Termination of patent right due to non-payment of annual fee