CN105502639A - Method for co-processing hard-degraded animal bones in rural kitchen garbage and domestic sewage - Google Patents
Method for co-processing hard-degraded animal bones in rural kitchen garbage and domestic sewage Download PDFInfo
- Publication number
- CN105502639A CN105502639A CN201610055014.2A CN201610055014A CN105502639A CN 105502639 A CN105502639 A CN 105502639A CN 201610055014 A CN201610055014 A CN 201610055014A CN 105502639 A CN105502639 A CN 105502639A
- Authority
- CN
- China
- Prior art keywords
- rural
- domestic sewage
- sewage
- animal bone
- animal bones
- 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
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 67
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 42
- 241001465754 Metazoa Species 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 title abstract description 7
- 238000011282 treatment Methods 0.000 claims abstract description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 14
- 231100000719 pollutant Toxicity 0.000 claims abstract description 14
- 239000008399 tap water Substances 0.000 claims abstract description 14
- 235000020679 tap water Nutrition 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000010802 sludge Substances 0.000 claims abstract description 11
- 244000005700 microbiome Species 0.000 claims abstract description 10
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000945 filler Substances 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 238000010411 cooking Methods 0.000 claims description 13
- 230000015556 catabolic process Effects 0.000 claims description 11
- 238000006731 degradation reaction Methods 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 230000000813 microbial effect Effects 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 241000282894 Sus scrofa domesticus Species 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 235000016709 nutrition Nutrition 0.000 claims description 4
- 230000035764 nutrition Effects 0.000 claims description 4
- 238000013528 artificial neural network Methods 0.000 claims description 3
- 241001494479 Pecora Species 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002910 solid waste Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000011081 inoculation Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 2
- 238000010304 firing Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000010841 municipal wastewater Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/104—Granular carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F2101/105—Phosphorus compounds
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a method for co-processing hard-degraded animal bones in rural kitchen garbage and domestic sewage, and belongs to the technical field of solid waste resource utilization and sewage treatment. The method comprises the steps that cleaned animal bones in the rural kitchen garbage are soaked in a NaOH solution, cleaned through tap water and dried; the animal bones are moved into a muffle furnace for firing, cooled, crushed to be appropriate particle sizes and cleaned to obtain carrier packing used for microorganism attachment; an up-flow biological filter bed reactor is filled with the prepared packing, country life sewage treatment is conducted after inoculation membrane formation is conducted through activated sludge, and co-processing of the animal bones and domestic sewage is achieved. According to the method for co-processing the hard-degraded animal bones in the rural kitchen garbage and the domestic sewage, the technology is simple, under the condition of short hydraulic retention time of 6-10 h, the effluent quality is stable, and concentration of pollutants of COD<Cr> and NH<3->N is lower than the primary standard threshold value of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002); meanwhile, a good removing effect on TP is achieved, and a wide prospect for applying the method to rural domestic sewage treatment is achieved.
Description
Technical field
The present invention relates to difficult degradation animal bone and sanitary sewage in the rubbish from cooking of a kind of rural area to coexist the method for putting.Belong to solid waste resource recovery to utilize and technical field of sewage.
Background technology
China's domestic sewage in rural areas existence discharge is wide, discharge point disperses, quantity discharged increases soon, organic concentration is high, discharge the features such as uneven, is difficult to focus on.Therefore, current China rural domestic sewage treatment rate is also very low, according to statistics village wastewater treatment rate only 7%.In various technology for treating domestic sewage in rural area, biomembrance process is low with its investment cost, management maintenance convenient, processing efficiency is high, little without floor space, effluent quality is good and be more and more subject to people's attention without advantages such as sludge bulking problems.Biomembrance process comprises the process forms such as biological filter, blodisc, biological contact oxidation pond, BAF and biological fluidized bed, its common feature is that attached growth of microorganisms is at filling surface, form microbial film, after sewage and biofilm contact, pollutent is transformed by microorganism adsorption, and sewage is purified.Filler, as microorganism carrier in biofilm reactor, affects microbial growth, breeds and come off, thus have very important impact to the operating performance of reactor.At present in biomembrance process sewage disposal conventional haydite, gac, zeolite and polymer carrier etc. as biofilm carrier, but these hand-stuff are for high expensive rural area or economically underdeveloped area.
Since nearly 30 years, rural economy is fast-developing, and urban residents' standard of living improves constantly, and the generation of residents in rural community and accumulating amount are all improving year by year.Because peasant household lives scattered in vast rural areas, the generation density of residents in rural community is low, and the logistics cost causing it to focus on is significantly higher than city, is difficult to focus on, cause the present situation not processing or deal with improperly, thus have a strong impact on Ecological Environment.Residents in rural community original-source by classification is collected can reduce rubbish generation from source, improve waste utilization rate, reduce transportation cost, reduce end disposes difficulty.Therefore, original-source by classification collects the trend of necessarily administering residents in rural community problem from now on.Generally speaking, domestic refuse can be divided into rubbish from cooking, recyclable rubbish (having valency waste product), and not recyclable rubbish and poisonous and harmful rubbish etc., also can be divided into dry rubbish and wet refuse etc.In screening residents in rural community, the dry refuse preparation of difficult degradation is applicable to the carrier filler of microorganic adhesion on the spot for rural domestic sewage treatment, and for Domestic Waste Minimization, innoxious and resource utilization is significant.
The preparation that much research all reports different biological filtering material for waste water treatments and the method for disposing of sewage thereof.But generally speaking, although these methods can obtain good effect, what it used on the one hand is mostly Nonrenewable resources, not only consume resource, and may damage environment, on the other hand, its high expensive, is not suitable for applying in rural area decentralized type sewage process engineering.At present, utilize the dry refuse of difficult degradation in residents in rural community to prepare filler and also rarely have report for the research of rural domestic sewage treatment, especially the animal bone in rubbish from cooking is smashed to reduce the pressure to environment because the feature of its difficult degradation generally needs first to sort out, thus causes much inconvenience.Although, difficult degradation animal bone in the rubbish from cooking of rural area and sanitary sewage are coexisted and puts, animal bone difficult degradation characteristic is utilized to be prepared into the carrier being easy to microorganic adhesion, as the filler for the treatment of domestic sewage in rural areas, not only can solve the process handling problems of carrying out animal bone after residents in rural community original-source by classification from now on, and be conducive to the Financial cost of saving rural domestic sewage treatment, but nobody did so far.
Summary of the invention
The object of the invention is day by day to increase the present situation low with sanitary sewage disposal rate for residents in rural community amount, provide difficult degradation animal bone and sanitary sewage in the rubbish from cooking of a kind of rural area to coexist the method for putting.The method is based on the thought of " treatment of wastes with processes of wastes against one another ", and utilize the feature with sewage disposal technology with combining solid waste resource recovery, the coexistence achieving dry refuse and domestic sewage in rural areas in residents in rural community is put.This is not only conducive to residents in rural community minimizing, innoxious and resource utilization, and makes domestic sewage in rural areas obtain treatment in situ and qualified discharge, has important practical value.Present method cost is low, cheaper starting materials is easy to get, and treatment process is simple, is convenient to Artificial Control and management.
In order to achieve the above object, the animal bone in residents in rural community sorts out and removes its surface impurity by the present invention; Animal bone sodium hydroxide solution is soaked to remove top layer grease and to come unstuck, then cleans up with tap water, dry to remove moisture; Animal bone after drying is moved into retort furnace calcination, the animal bone after roasting is crushed to suitable particle diameter, cleans the carrier filler namely obtained for microorganic adhesion; Load this filler to upflowing bio-filter bed reactor reactor, after utilizing active sludge to carry out inoculation membrane formation, pending domestic sewage in rural areas flows into from reactor lower part, flows out after processing from reactor top.Under shorter hydraulic detention time condition, principal pollutant COD
crand NH
3-N concentration is lower than " urban wastewater treatment firm pollutant emission standard (GB18918-2002) " primary standard threshold value.Meanwhile, the TP in sewage also has good removal effect.
Concrete steps are as follows:
A, sorts out the animal bone in the rubbish from cooking of rural area and removes its surface impurity, clean with tap water;
B, the animal bone 24-72h obtained with the NaOH solution soaking step A that concentration is 0.3 ~ 1% mass percent, remove top layer grease and come unstuck, and then cleans with tap water, dry at 60 ~ 80 DEG C, remove moisture;
C, the animal bone obtained by step B moves into retort furnace, under certain temperature rise rate is 5 ~ 10 DEG C/min, retort furnace is warming up to 300 ~ 500 DEG C, and insulation 30 ~ 60min, shifts out retort furnace by animal bone after its naturally cooling;
D, the animal bone obtained by step C is crushed to the irregularly shaped particles that particle diameter is 0.6 ~ 2cm, with tap water to neutral, namely obtains the microbe carrier stuffing of rural domestic sewage treatment;
E, be that the sludge sewage of 5000mg/L ~ 6500mg/L is seeded to the bio-filter bed reactor that the microbe carrier stuffing that step D obtains is housed by mixed genetic-neural network MLSS, pass into pending domestic sewage in rural areas and microbial nutrition is provided, gas blower aeration provides oxygen, and acclimated microorganism also makes it be attached to carrier filler biofilm; Wherein, active sludge: the volume ratio of pending domestic sewage in rural areas is (1 ~ 2): 1; Gas blower aeration provides oxygen to reach 2 ~ 4mg/L with the dissolved oxygen in water outlet and is as the criterion, and after 72 hours, carrier filler surface or Internal biological film are formed;
F, passes into pending domestic sewage in rural areas in bio-filter bed reactor, and sewage is flowed between filler particles, carries out sewage disposal, and sewage hydraulic detention time is in the reactor 6 ~ 10h, COD in the water outlet of detection reaction device
crand NH
3-N concentration is lower than " urban wastewater treatment firm pollutant emission standard (GB18918-2002) " primary standard threshold value, and meanwhile, TP also has good removal effect;
Animal bone in described steps A is one or more arbitrary ratio things of Os Sus domestica, Os Bovis seu Bubali, Fishbone and sheep bone etc.
The main pollutant consistence of the pending domestic sewage in rural areas in described step F is respectively: COD
cr200 ~ 400mg/L, NH
3-N20 ~ 40mg/L, TP3 ~ 13mg/L.
Feature of the present invention is:
1, present invention achieves the dry refuse of residents in rural community (animal bone in rubbish from cooking) and the coexistence of domestic sewage in rural areas is put, not only solve harmless treatment and the recycling problem of animal bone in the rubbish from cooking of rural area, and achieve the low cost of domestic sewage in rural areas, efficient treatment in situ, there is important practical value.
2, cheaper starting materials is easy to get, product safety is harmless and the advantage of easy to be filmed to utilize filler that in the rubbish from cooking of rural area, difficult degradation animal bone produces to have in the present invention.
3, utilize difficult degradation animal bone process domestic sewage in rural areas in the rubbish from cooking of rural area, technique is simple, and stable effluent quality, is convenient to Artificial Control and management.
Accompanying drawing explanation
Fig. 1 is present invention process schematic flow sheet.
Inlet and outlet water COD when Fig. 2 is embodiment 1 hydraulic detention time 8h
crchange and removal effect.
Inlet and outlet water NH when Fig. 3 is embodiment 1 hydraulic detention time 8h
3-N change and removal effect.
When Fig. 4 is embodiment 1 hydraulic detention time 8h, Inlet and outlet water TP changes and removal effect.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
A, removes top layer kindred and impurity by the Os Sus domestica in the residents in rural community swill collected, then clean with tap water;
B, is that the animal bone of steps A is soaked 48h by the NaOH solution of 0.5% with mass percent concentration, removes top layer grease and come unstuck, and then cleans with tap water and repeatedly rinses repeatedly, dry, remove moisture at 80 DEG C;
C, the animal bone obtained by step B moves into retort furnace, is incubated 60min, then after its naturally cooling, shifts out retort furnace with the temperature rise rate of 5 DEG C/min under 400 DEG C of temperature condition;
D, it is 0.6 ~ 2cm particle diameter that the animal bone obtained by step C is crushed to scope, with tap water to neutral, namely obtains the microbe carrier stuffing of rural domestic sewage treatment;
E, use preferred to upflow type aerating biological filter reactor, the filler prepared by step D loads biological filter reactor cell body; The active sludge (mixed genetic-neural network MLSS is 5290mg/L) getting sewage treatment plants second pond is above-mentionedly equipped with in the biological filter reactor of the microbe carrier stuffing of step D, in active sludge to being equipped with: pending domestic sewage in rural areas=2:1 volume ratio ratio adds pending domestic sewage in rural areas (Pollutant levels COD
cr: 244 ~ 398mg/L, NH
3-N:32 ~ 35mg/L, TP:3 ~ 10mg/L) originate as microbial nutrition, gas blower aeration is utilized to provide dissolved oxygen for microorganism, clear water zone, reactor top dissolved oxygen is kept to be 2 ~ 4mg/L, change the clear water in reactor every the pending domestic sewage in rural areas of 24h equivalent, start after 72h to enter pending domestic sewage in rural areas continuously;
F, passes into pending domestic sewage in rural areas in reactor, makes sewage continuous flow between filler particles, utilizes gas blower aeration to provide dissolved oxygen for microorganism, keeps reactor water outlet dissolved oxygen to be 2 ~ 4mg/L.Under hydraulic detention time 8h condition, carry out analyzing and testing to Inlet and outlet water water quality, result shows water outlet COD
crconcentration is 31 ~ 50mg/L, water outlet NH
3-N concentration is 0.2 ~ 4mg/L, water outlet COD and NH
3-N concentration is all lower than " urban wastewater treatment firm pollutant emission standard (GB18918-2002) " one-level A level threshold value.Water outlet TP concentration is 1.7 ~ 2.0mg/L, lower than " urban wastewater treatment firm pollutant emission standard (GB18918-2002) " secondary standard threshold value.Inlet and outlet water COD
cr, NH
3the concentration of-N and TP and removal effect thereof are respectively as shown in Figure 2, Figure 3 and Figure 4.
Embodiment 2
A, removes top layer kindred and impurity by the Os Sus domestica in the residents in rural community swill collected, then clean with tap water;
B, is that the animal bone of steps A is soaked 24h by the NaOH solution of 1% with mass percent concentration, removes top layer grease and come unstuck, and then cleans with tap water and repeatedly rinses repeatedly, dry, remove moisture at 60 DEG C;
C, the animal bone obtained by step B moves into retort furnace, is incubated 45min, then after its naturally cooling, shifts out retort furnace with the temperature rise rate of 5 DEG C/min under 500 DEG C of temperature condition;
D, it is 1 ~ 2cm particle diameter that the animal bone obtained by step C is crushed to scope, with tap water to neutral, namely obtains the microbe carrier stuffing of rural domestic sewage treatment;
E, use preferred to upflow type aerating biological filter reactor, the active sludge (MLSS is 6100mg/L) getting sewage treatment plants second pond is passed in the biological filter reactor of the microbe carrier stuffing that above-mentioned steps D is housed, in active sludge: pending domestic sewage in rural areas=2:1 volume ratio ratio adds pending domestic sewage in rural areas (Pollutant levels COD
cr: 234 ~ 347mg/L, NH
3-N:32 ~ 35mg/L, TP:3 ~ 13mg/L) originate as microbial nutrition, gas blower aeration is utilized to provide dissolved oxygen for microorganism, clear water zone, reactor top dissolved oxygen is kept to be 2 ~ 4mg/L, change the clear water in reactor every the domestic sewage in rural areas of 24h equivalent, after 72h, start continuum micromeehanics;
F, passes into pending domestic sewage in rural areas in reactor, makes sewage continuous flow between filler particles, utilizes gas blower aeration to provide dissolved oxygen for microorganism, keeps reactor water outlet dissolved oxygen to be 2 ~ 4mg/L.Under hydraulic detention time 6h condition, carry out analyzing and testing to Inlet and outlet water water quality, result shows water outlet COD
crconcentration is 21 ~ 51mg/L, water outlet NH
3-N concentration is 3 ~ 8mg/L, water outlet COD and NH
3-N concentration is all lower than " urban wastewater treatment firm pollutant emission standard (GB18918-2002) " one-level B standard threshold value.Water outlet TP concentration is 1.2 ~ 1.9mg/L, lower than " urban wastewater treatment firm pollutant emission standard (GB18918-2002) " secondary standard threshold value.
Claims (1)
1. in the rubbish from cooking of rural area, difficult degradation animal bone and sanitary sewage coexist a method of putting, and it is characterized in that:
A, sorts out the animal bone in the rubbish from cooking of rural area and removes its surface impurity, clean with tap water;
B, the animal bone 24 ~ 72h obtained with the NaOH solution soaking step A that concentration is 0.3 ~ 1% mass percent, remove top layer grease and come unstuck, and then cleans with tap water, dry at 60 ~ 80 DEG C, remove moisture;
C, the animal bone obtained by step B moves into retort furnace, under temperature rise rate is 5 ~ 10 DEG C/min, retort furnace is warming up to 300 ~ 500 DEG C, and insulation 30 ~ 60min, shifts out retort furnace by animal bone after its naturally cooling;
D, the animal bone obtained by step C is crushed to the irregularly shaped particles that particle diameter is 0.6 ~ 2cm, with tap water to neutral, namely obtains the microbe carrier stuffing of rural domestic sewage treatment;
E, be that the sludge sewage of 5000mg/L ~ 6500mg/L is seeded to the bio-filter bed reactor that the microbe carrier stuffing that step D obtains is housed by mixed genetic-neural network MLSS, pass into pending domestic sewage in rural areas and microbial nutrition is provided, gas blower aeration provides oxygen, and acclimated microorganism also makes it be attached to carrier filler biofilm; Wherein, active sludge: the volume ratio of pending domestic sewage in rural areas is (1 ~ 2): 1; Gas blower aeration provides oxygen to reach 2 ~ 4mg/L with the dissolved oxygen in water outlet and is as the criterion, and after 72 hours, carrier filler surface or Internal biological film are formed gradually;
F, passes into pending domestic sewage in rural areas in bio-filter bed reactor, and sewage is flowed between filler particles, carries out sewage disposal, and sewage hydraulic detention time is in the reactor 6 ~ 10h, COD in the water outlet of detection reaction device
crand NH
3-N concentration is lower than " urban wastewater treatment firm pollutant emission standard GB18918-2002 " primary standard threshold value, and meanwhile, TP also has good removal effect;
Animal bone in described steps A is one or more arbitrary ratio things of Os Sus domestica, Os Bovis seu Bubali, Fishbone and sheep bone etc.;
The main pollutant consistence of domestic sewage in rural areas pending in described step F is respectively: COD
cr200 ~ 400mg/L, NH
3-N20 ~ 40mg/L, TP3 ~ 13mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055014.2A CN105502639B (en) | 2016-01-27 | 2016-01-27 | A kind of method that difficult degradation animal bone is put with sanitary sewage coexistence in rural area rubbish from cooking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055014.2A CN105502639B (en) | 2016-01-27 | 2016-01-27 | A kind of method that difficult degradation animal bone is put with sanitary sewage coexistence in rural area rubbish from cooking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105502639A true CN105502639A (en) | 2016-04-20 |
| CN105502639B CN105502639B (en) | 2018-02-09 |
Family
ID=55711025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610055014.2A Expired - Fee Related CN105502639B (en) | 2016-01-27 | 2016-01-27 | A kind of method that difficult degradation animal bone is put with sanitary sewage coexistence in rural area rubbish from cooking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105502639B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626709A (en) * | 2017-09-22 | 2018-01-26 | 南京律智诚专利技术开发有限公司 | A kind of solar power generation mineralized waste packed bed |
| CN112158943A (en) * | 2020-09-11 | 2021-01-01 | 同济大学 | Biological drip device based on living source dry garbage filler and application thereof |
| CN117534217A (en) * | 2023-12-07 | 2024-02-09 | 知和环保科技有限公司 | Water body restoration method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1224623A (en) * | 1998-12-21 | 1999-08-04 | 冶金工业部钢铁研究总院 | Compounding method of bone morphogenesis protein to calcined bone |
| JP2005161135A (en) * | 2003-11-28 | 2005-06-23 | Best Tech:Kk | Apparatus and method for advanced treatment of wastewater |
| CN101229946A (en) * | 2007-12-29 | 2008-07-30 | 兰州大学 | Biological aerated filter filtering material for treating sewage and preparation method thereof |
| CN103172168A (en) * | 2013-02-04 | 2013-06-26 | 合肥工业大学 | Biological aerated filter filler preparation method capable of simultaneously removing phosphorus and nitrogen, and application thereof |
-
2016
- 2016-01-27 CN CN201610055014.2A patent/CN105502639B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1224623A (en) * | 1998-12-21 | 1999-08-04 | 冶金工业部钢铁研究总院 | Compounding method of bone morphogenesis protein to calcined bone |
| JP2005161135A (en) * | 2003-11-28 | 2005-06-23 | Best Tech:Kk | Apparatus and method for advanced treatment of wastewater |
| CN101229946A (en) * | 2007-12-29 | 2008-07-30 | 兰州大学 | Biological aerated filter filtering material for treating sewage and preparation method thereof |
| CN103172168A (en) * | 2013-02-04 | 2013-06-26 | 合肥工业大学 | Biological aerated filter filler preparation method capable of simultaneously removing phosphorus and nitrogen, and application thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626709A (en) * | 2017-09-22 | 2018-01-26 | 南京律智诚专利技术开发有限公司 | A kind of solar power generation mineralized waste packed bed |
| CN112158943A (en) * | 2020-09-11 | 2021-01-01 | 同济大学 | Biological drip device based on living source dry garbage filler and application thereof |
| CN112158943B (en) * | 2020-09-11 | 2022-07-19 | 同济大学 | Biological trickling device based on living source dry garbage filler and application thereof |
| CN117534217A (en) * | 2023-12-07 | 2024-02-09 | 知和环保科技有限公司 | Water body restoration method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105502639B (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101274331B (en) | House refuse treatment method | |
| CN101955846A (en) | Production method of microalgae grease based on low-carbon emission recycling of domestic sewage | |
| CN115069739B (en) | Kitchen waste bidirectional reinforced multi-source synergistic full-volume recycling treatment system and process | |
| CN109694161A (en) | Sewage, sludge and garbage as resource and energy closure processing system and method | |
| CN107601673A (en) | A kind of microbiological fuel cell for wastewater treatment couples compound flow constructed wetland system | |
| CN105502639A (en) | Method for co-processing hard-degraded animal bones in rural kitchen garbage and domestic sewage | |
| CN103723884B (en) | The sewage water treatment method of a kind of COD that degrades, BOD, SS, ammonia nitrogen | |
| CN110560458A (en) | Kitchen waste treatment system | |
| CN111548202A (en) | Method for preparing fertilizer by using compound wet garbage fermentation strain | |
| CN1792873A (en) | Process for treating waste water of livestock poultry by mineralizing refuse composite type biological filtering bed | |
| CN101591124A (en) | A kind of garbage filter liquid processing method | |
| CN110745974A (en) | Harmless treatment method for kitchen waste | |
| CN105541062A (en) | Night-soil on-site treatment system and treatment method thereof | |
| CN211078842U (en) | Sludge recycling treatment system | |
| WO2009081555A1 (en) | Method for treatment of organic liquid waste, and recycled fuel carbon | |
| CN104529107B (en) | Method for promoting sludge depth reduction based on anaerobic-aerobiotic coupling | |
| CN110563298A (en) | Municipal sludge dewatering treatment method | |
| CN113245356A (en) | Kitchen waste treatment process | |
| CN110760353B (en) | Method for producing clean energy by utilizing kitchen waste | |
| CN204079590U (en) | A kind of sewage generating system adopting anaerobically fermenting process | |
| CN209456257U (en) | Sewage, sludge and garbage as resource and energy are closed processing system | |
| CN105502636A (en) | Method for treating rural domestic sewage by using waste foamed concrete | |
| CN103449667B (en) | The method of the process food and drink waste water of aerobic microbiological and ozone combined technology | |
| CN205501055U (en) | Treating device for percolate of urban domestic garbage | |
| CN113979792A (en) | Biological treatment method for kitchen garbage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20210127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |