CN106315847A - Immobilization filler biomembrane activation and updating and sludge resuspension method - Google Patents
Immobilization filler biomembrane activation and updating and sludge resuspension method Download PDFInfo
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- CN106315847A CN106315847A CN201610997983.XA CN201610997983A CN106315847A CN 106315847 A CN106315847 A CN 106315847A CN 201610997983 A CN201610997983 A CN 201610997983A CN 106315847 A CN106315847 A CN 106315847A
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- biomembrane
- mud
- activation
- sludge
- filler
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an immobilization filler biomembrane activation and updating and sludge resuspension method. The method comprises the following processing steps: periodically turning on and off a fan and ensuring sufficient air disturbance strength, so that periodic hydraulic forced disturbance having sufficient strength is produced, thus repeatedly disturbing and flushing an immobilization filler, suspending settled sludge, and further completing the processes of updating and activation of an aged biomembrane on the immobilization filler, sludge resuspension and suspended sludge fluidization. The method disclosed by the invention effectively solves the industrial problems that the aged biomembrane is difficult to naturally fall off, update and activate, the suspended sludge settles and the sludge is difficult to fluidize in the operating course of the immobilization filler under anaerobic or anoxic conditions; and the method is simple to operate, and has very wide application prospects.
Description
Technical field
The invention belongs to Environmental Biotechnology and water-treatment technology field, be specifically related to a kind of fixing carrier biofilm and live
Change and update and mud settling flux method.
Background technology
In mud embrane method bioreactor, microorganism includes biomembrane and suspension mud two class form, biofilm reactor or
Mud embrane method bioreactor is when processing waste water, owing to waste water may contain the highest salinity and various harmful substance, they
Not only accumulate in a large number in the biofilm microorganisms body on filler, also can be attached to the surface of filler with the form of crystallite, so
Making biomembrane be securely attached on filling surface be not easy to come off with the form being similar to fouling, it is tired that biomembrane updates activation
Difficult.When mud embrane method bioreactor processes waste water under anaerobism or anaerobic environment, the suspension of suspension sludge concentration, fluidisation degree
Not only can directly affect mud (microorganism) and the mass exchange speed of pollutant in pond, and be directly connected in whole system
The circulation of each unit mud, fluidization, and most important to the denitrogenation dephosphorizing of whole system.
Filler in biofilm reactor is divided into fixed and floated two types, and the most existing employing is fixed fills out
Material build static bed biomembrane reactor and mud film coupled biological membrane reactor under anaerobism or anaerobic environment in exist below
Problem: 1. in anaerobism or anaerobic environment is owing to itself lacking the timely and sluicing of " sufficient intensity " and stirring, aging
On fixing filler, biomembrane is the most blocked up and biomembrane updates difficulty, and frictional head loss can become larger, and causes the short of local
Stream and slough, and then result in the treatment effect of conventional apparatus worse and worse；2. in anaerobism or anaerobic environment, due to mud
Self gravitation effect and device itself lack the hydraulic disturbance reason of " sufficient intensity ", nearly all mud flowed through in reactor
All being deposited on bottom it, cause mud and pollutant not to be fully contacted, actually active microorganism reduces in a large number, and nitric efficiency is big
Big reduction；Meanwhile, in system, each unit mud fluidisation is trapped within anaerobic pond or anoxic pond, especially have impact on whole sewage disposal
The mud (including Aerobic Pond, anoxic pond, anaerobic pond, sedimentation tank) between each unit in system fluidizes, circulating effect, seriously reduces
The denitrogenation of whole system, dephosphorization, de-carbon effect.Therefore, the renewal activation of a kind of biofilm packing and mud are researched and developed again
Suspension process, its to utilize anaerobism or anoxia fixed biofilm reactor for treatment waste water tool be of great significance.
Summary of the invention
For above-mentioned weak point of the prior art, the invention provides the activation of a kind of fixing carrier biofilm update and
Mud settling flux method, on the one hand, its perturbed force of periodicity sufficient intensity provided can remove fixing filling surface aging,
The biomembrane of fouling, the activated biomembrane of member-retaining portion, effectively solve the aging life of fixing filler under anaerobism or anoxia condition
Thing film be difficult to nature come off update activation a difficult problem；On the other hand, the perturbed force of its periodicity sufficient intensity provided can make
The mud settling flux of bottom deposit, improves muddy water contact effect, increases treatment effeciency；Finally, its periodicity provided is sufficiently strong
The perturbed force of degree can realize mud in system and fluidize, it is ensured that the sludge quantity of each processing unit in system, thus preferably dirty
Water treatment efficiency.
The present invention fixes carrier biofilm activation and updates and mud settling flux method, and its process step is:
(1), during anaerobic pond or anoxic pond are run, when on fixing filler, biomembrane starts aging, suspended sludge deposition, system is opened
Opening blower fan, the air water perturbed force of enough forcing utilizing aeration at the bottom of pond to produce makes aging biomembrane be forced punching from fixing filler
Wash, come off, to accelerate on filler biomembrane renewal rate and to keep biomembrane high activity on filler, make the mud of deposition more simultaneously
Secondary suspension；
(2), after the mud settling flux of aging biofilm detachment and deposition, system closes blower fan, and suspended sludge, come off aging life
Thing film and dirty water pollutant are fully contacted reaction, partial suspended mud, come off biomembrane and sewage mixed liquor along with current
Flow into next processing unit.
(3) periodically open, close blower fan, disturbance repeatedly, the fixing filler of flushing, promote settled sludge to suspend, accelerate to fill out
Biomembrane renewal rate and keep biomembrane high activity on filler on material.
The opening time of described blower fan is 2s ~ 600s.
The start and stop cycle of described blower fan is 0.5h ~ 240h.
Aeration intensity needed for described enough pressure air water disturbances is not less than 6.5m3Air/(m2Baseplane, pond is amassed h).
Described anaerobic pond or anoxic pond are one of biofilm reactor or mud membrane bioreactor.
The present invention efficiently solves fixing filler when running under anaerobism or anoxia condition, and aging biomembrane is difficult to nature and takes off
Fall to updating the industry difficult problem that activation, suspended sludge deposition and mud are difficult to fluidize.This method is without using conventional chemical drugs
Agent, without any pollution, low price, easy to operate, has the strongest operability and actual application value, has wide application
Field.
Detailed description of the invention
Embodiment 1
(1), in mud membrane bioreactor, it is provided with after the anoxic denitrification denitrification tank of fixing filler often runs 8h, raw on fixing filler
Thing film starts aging, and the suspended sludge flowing through hydrolysis acidification pool is mostly adsorbed being trapped on fixing filler and being deposited at the bottom of cell body
Portion, there is a large amount of " foundry loam " phenomenon in filling surface, and system opens blower fan 90s, and the aeration intensity of blower fan is 10.5m3Air/(m2Pond
Baseplane is amassed h), and the air water perturbed force of enough forcing that the aeration at the bottom of pond produces makes aging biomembrane be forced from fixing filler
Rinsing, come off, on filler, biomembrane renewal rate is substantially accelerated and keeps biomembrane on filler to show greater activity, makes simultaneously
The mud of deposition suspends again；
(2) after the mud settling flux of aging biofilm detachment and deposition, system is automatically switched off after opening blower fan 90s, and suspend dirt
Mud, come off aging biomembrane and dirty water pollutant are fully contacted reaction, partial suspended mud, come off biomembrane and sewage mixed
Conjunction liquid flows into next processing unit along with current.
(3) with the equivalent devices comparing result not carrying out this method: biomembrane activation renewal rate is substantially accelerated, traditional
Settled sludge and mud are difficult to fluidization problems and are addressed, TN, TP, COD, the removal efficiency of ammonia nitrogen be respectively increased 60%, 40%,
40%、30%。
Embodiment 2
The one of the present embodiment is fixed carrier biofilm activation and is updated and mud settling flux method, and substantially with embodiment 1, they are different
Part is: the present embodiment is the anaerobic hydrolysis acidification tank used, there is a large amount of " foundry loam " phenomenon, sludge aging in filling surface
Seriously, after hydrolysis acidification pool runs 240h, COD degradation efficiency have dropped 28%, BOD5/CODCrHave dropped 3%, cross water resistance significantly
Improving, stagnant water area strengthens；After problem occurs, system periodically opens blower fan, and each aeration time is 120s, the aeration of blower fan
Intensity is 10.5m3Air/(m2Baseplane, pond is amassed h), and the later stage keeps the blower fan unlatching cycle to be 1 time/240h, and biomembrane activates more
New speed is substantially accelerated, and traditional settled sludge and mud are difficult to fluidization problems and are addressed, and the removal efficiency of COD ammonia nitrogen is respectively
Improve 60%, 40%, 40%, 30%.
What deserves to be explained is, to those skilled in the art, under present inventive concept and specific embodiment enlighten, energy
Enough some deformation directly derived from the disclosure of invention and general knowledge or associate, it will be recognized by those of ordinary skill in the art that
May be used without in additive method, or prior art the replacement of conventional known technology, and the mutually different combination between feature etc.
Unsubstantiality change, be equally employed, can realize the present invention describe function and effect, expansion of illustrating the most one by one
Describe in detail, belong to scope.
Claims (5)
1. the activation of fixing carrier biofilm updates and a mud settling flux method, and it is as follows that it processes step:
(1), during anaerobic pond or anoxic pond are run, when on fixing filler, biomembrane starts aging, suspended sludge deposition, system is opened
Opening blower fan, the air water perturbed force of enough forcing utilizing aeration at the bottom of pond to produce makes aging biomembrane be forced punching from fixing filler
Wash, come off, make the mud of deposition again suspend simultaneously；
(2), after the mud settling flux of aging biofilm detachment and deposition, system closes blower fan, and suspended sludge, come off aging life
Thing film and dirty water pollutant are fully contacted reaction, partial suspended mud, come off biomembrane and sewage mixed liquor along with current
Flow into next processing unit；
(3) periodically open, close blower fan, disturbance repeatedly, the fixing filler of flushing, and promote settled sludge settling flux, accelerate
Biomembrane renewal rate and keep biomembrane high activity on filler on filler.
One the most according to claim 1 is fixed carrier biofilm activation and is updated and mud settling flux method, and its feature exists
In: the opening time of described blower fan is 2s ~ 600s.
One the most according to claim 1 is fixed carrier biofilm activation and is updated and mud settling flux method, and its feature exists
In: the start and stop cycle of described blower fan is 0.5h ~ 240h.
One the most according to claim 1 is fixed carrier biofilm activation and is updated and mud settling flux method, and its feature exists
In: the aeration intensity needed for described enough pressure air water disturbances is not less than 6.5m3Air/(m2Baseplane, pond is amassed h).
One the most according to claim 1 is fixed carrier biofilm activation and is updated and mud settling flux method, and its feature exists
In: described anaerobic pond or anoxic pond are one of biofilm reactor or mud membrane bioreactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610997983.XA CN106315847A (en) | 2016-11-14 | 2016-11-14 | Immobilization filler biomembrane activation and updating and sludge resuspension method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610997983.XA CN106315847A (en) | 2016-11-14 | 2016-11-14 | Immobilization filler biomembrane activation and updating and sludge resuspension method |
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| CN201610997983.XA Pending CN106315847A (en) | 2016-11-14 | 2016-11-14 | Immobilization filler biomembrane activation and updating and sludge resuspension method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109851181A (en) * | 2019-04-11 | 2019-06-07 | 信开水环境投资有限公司 | Sewage-treatment plant, system and application method comprising it |
| CN111470615A (en) * | 2020-05-06 | 2020-07-31 | 北京工业大学 | Preparation and application of sulfate-reducing-reinforced composite bacteria embedded bioactive filler |
| CN112777745A (en) * | 2021-01-28 | 2021-05-11 | 苏州科技大学 | Full-film biological sewage denitrification treatment device and biological sewage denitrification treatment method |
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| CN103265144A (en) * | 2013-05-16 | 2013-08-28 | 安徽华骐环保科技股份有限公司 | Town wastewater treatment process and device with intensified nitrogen and phosphorus removing function |
| CN103663725A (en) * | 2013-12-05 | 2014-03-26 | 北京交通大学 | Continuous flow biological denitrification method based on granular sludge, and apparatus |
| CN204939185U (en) * | 2015-06-25 | 2016-01-06 | 安徽华骐环保科技股份有限公司 | A kind of sewage water denitrification dephosphorization apparatus integrating physical biochemistry and filter |
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| CN103265144A (en) * | 2013-05-16 | 2013-08-28 | 安徽华骐环保科技股份有限公司 | Town wastewater treatment process and device with intensified nitrogen and phosphorus removing function |
| CN103663725A (en) * | 2013-12-05 | 2014-03-26 | 北京交通大学 | Continuous flow biological denitrification method based on granular sludge, and apparatus |
| CN204939185U (en) * | 2015-06-25 | 2016-01-06 | 安徽华骐环保科技股份有限公司 | A kind of sewage water denitrification dephosphorization apparatus integrating physical biochemistry and filter |
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| 白坤编著: "《玉米淀粉工程技术》", 31 January 2012 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851181A (en) * | 2019-04-11 | 2019-06-07 | 信开水环境投资有限公司 | Sewage-treatment plant, system and application method comprising it |
| CN109851181B (en) * | 2019-04-11 | 2024-05-03 | 信开环境投资有限公司 | Sewage treatment device, system comprising same and use method |
| CN111470615A (en) * | 2020-05-06 | 2020-07-31 | 北京工业大学 | Preparation and application of sulfate-reducing-reinforced composite bacteria embedded bioactive filler |
| CN111470615B (en) * | 2020-05-06 | 2022-03-29 | 北京工业大学 | Preparation and application of sulfate-reducing-reinforced composite bacteria embedded bioactive filler |
| CN112777745A (en) * | 2021-01-28 | 2021-05-11 | 苏州科技大学 | Full-film biological sewage denitrification treatment device and biological sewage denitrification treatment method |
| CN115448456A (en) * | 2021-01-28 | 2022-12-09 | 苏州科技大学 | Biological sewage denitrification treatment method and application thereof |
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Application publication date: 20170111 |