CN109279749A - Urban sewage treatment plant sludge processing method and processing fermentation catalyst - Google Patents
Urban sewage treatment plant sludge processing method and processing fermentation catalyst Download PDFInfo
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- CN109279749A CN109279749A CN201811438187.8A CN201811438187A CN109279749A CN 109279749 A CN109279749 A CN 109279749A CN 201811438187 A CN201811438187 A CN 201811438187A CN 109279749 A CN109279749 A CN 109279749A
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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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
- C02F11/00—Treatment of sludge; Devices therefor
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of urban sewage treatment plant sludge processing fermentation catalysts, by weight, including following component: 50-70 parts of ammonium hydrogen carbonate, 10-20 parts of quick lime, 5-10 parts of ferrous sulfate, 5-10 parts of vinasse, 10-20 parts of potassium chloride, 10-20 parts of phosphorus monoammonium, 10-20 parts of urea.The invention also discloses a kind of urban sewage treatment plant sludge processing methods, humic acid original powder is added in the sludge of urban wastewater treatment firm and accounts for the fermentation catalyst of sludge and humic acid original powder weight ratio 10%, blending stirs evenly, and obtains the mixed material that moisture content is 45-50%；It retting 7-10 days, then teds to obtain the organic fertilizer that moisture content is 20-30%.Urban sewage treatment plant sludge processing fermentation catalyst disclosed by the invention, it itself is good fertilizer, and it adds the fermentation catalyst and sludge is handled, be conducive to improve the temperature of sludge, reacting for sludge and humic acid original powder can not only be accelerated, and the pathogenic microorganism in sludge can be effectively killed, realize the harmless treatment of sludge.
Description
Technical field:
The present invention relates to urban sewage treatment plant sludge processing methods and processing fermentation catalyst, belong to sewage treatment neck
Domain.
Background technique:
With the continuous propulsion of China's urbanization, a large amount of sewage sludge is produced, the processing if not being subject to science is bound to
Serious consequence will be caused to environmental ecology, cities and towns safety, Social Differentiation etc..City sludge, that is, municipal sludge is municipal wastewater
Treatment plant handles the product after sewage, including primary sludge, excess sludge and the sludge of a part of settling pit etc..Due to China
There are serious " the light mud of heavy water " phenomenon, the sludge treatment technique in most of sewage treatment plants also stops construction of wastewater treatment plant
In traditional modulation-dehydration mode.The stabilisation of sludge is a step important in sludge handling process.Without stabilization
Primary sludge can be considered as pollutant, containing perishable organic matter, odorant, pathogen etc., dehydration efficiency is low, sanitary condition
Difference.Outward transport is dehydrated without sludge stabilization treatment will cause following result:
Sludge volume is huge, causes sludge treatment expense huge；
Sludge is extremely unstable, and organic principle once occurs putrid and deteriorated to will cause serious secondary dirt to environment in sludge
Dye；
Useful resources in sludge are not utilized, bring the waste of resource, do not meet the target of sustainable development.
Sludge stabilization treatment final goal and difficulty are to reduce its moisture content, traditional sludge stabilization treatment method one
It is drying, is changed to another energy with a kind of energy, drying certainly will need to consume a large amount of energy, increase environmentally friendly cost with coal,
It is too high with gas cost, but also generate a large amount of foul smell and also the environment of surrounding is impacted and destroyed its effective component, but
It is as country is more and more tighter to environmentally friendly requirement；The puzzlement that above these types method is difficult to get rid of is exactly the difficulty dried, and
And drying equipment is in operation it is difficult to ensure that serviceability rate, drying cost are higher；Another traditional sludge stabilization treatment method
It is aerobic fermentation processing, under conditions of aerobic, organic matter in the sludge aerobic fermentation under microbial action is degraded, while good
The heat of aerobe fermentation reaction release forms high temperature and kills pathogenic microorganism, and then realizes the minimizing of sludge.But at present good
Aerobe fermentation treatment process is difficult to reach requirement, the not high problem of stability, it tends to be difficult to reach ideal effect, furthermore there are temperature
Conventional aerobic fermentation processing, which needs to evaporate, reduces moisture percentage in sewage sludge, and processing fermentation time is long, generally requires 25-30 days, and ferment
Need constantly to supply oxygen and be added the conditioners such as a large amount of stalks in the process, operating cost is high.
Summary of the invention:
The first purpose of this invention is to provide a kind of urban sewage treatment plant sludge processing fermentation catalyst, can
The temperature for improving sludge, accelerates the retting of sludge to ferment, effectively removes harmful pathogenic microorganism in sludge.
Second object of the present invention is to provide a kind of processing method of urban sewage treatment plant sludge, i.e., " admixes
Method ": add leavening to admix with aqueous high sludge humic acid original powder, be allowed to directly reduce its water content, to reach " one
The purpose of two drop of liter, three energy conservation ", that is, promote its quality, reduces its nuisance content, and energy conservation and environmental protection is accomplished " innoxious, stable
The effect of change, minimizing and recycling " processing；The present invention can not only reduce the moisture content of sludge, but also can make town sewage
The sludge for the treatment of plant becomes turning waste into wealth for the fertilizer of soil remediation, afforestation etc., before safe and environment-friendly and economical
It puts, realizes the comprehensive utilization of sludge, achieved the purpose that energy-saving and emission-reduction and developed a circular economy.
The first purpose of this invention is implemented by following technical solution:
Urban sewage treatment plant sludge processing fermentation catalyst, by weight, including following component: ammonium hydrogen carbonate
50-70 parts, 10-20 parts of quick lime, 5-10 parts of ferrous sulfate, 5-10 parts of vinasse, 10-20 parts of potassium chloride, 10-20 parts of phosphorus monoammonium,
10-20 parts of urea.
Quick lime meets water fever, can quickly and effectively improve the temperature of sludge；Ammonium hydrogen carbonate can make humic acid original powder quick
Reaction, ammonium hydrogen carbonate and ferrous sulfate itself are good fertilizer, and the effect for strengthening fertilizer efficiency can be played by being added in sludge.
Ferrous sulfate itself is good fertilizer, other than it can supplement the intracorporal ferro element of plant, it can be promoted to nitrogen
Fertilizer efficiency is quickly generated it is also possible that the organic matter in soil decomposes and accelerates with the absorption of P elements.
Further, since ammonium hydrogen carbonate and quick lime are in alkalinity, and ferrous sulfate has acid properties, can play adjusting
The effect of fermentation catalyst acid-base property.
Vinasse crude protein rich in is about higher by 2-3 times of corn content, while also containing various trace elements, dimension
Raw element, saccharomycete etc., the content of lysine, methionine and tryptophan is also very high, facilitates the fermentation process of municipal sludge.
Second object of the present invention is implemented by following technical solution:
Humic acid original powder is added in the sludge of urban wastewater treatment firm and accounts for dirt for urban sewage treatment plant sludge processing method
The fermentation catalyst of mud and humic acid original powder weight ratio 10%, blending stir evenly, and obtain the mixture that moisture content is 45-50%
Material, the moisture content of sludge are generally 80-85%, and the moisture content of humic acid original powder is generally 10% or so, humic acid original powder and dirt
The blending ratio of mud is controlled according to final mixed material moisture content；It retting 7-10 days, then teds to obtain moisture content to be 20-
30% organic fertilizer；As needed, which can be crushed, be granulated and packing processes, facilitated subsequent transport and sold
It sells.
One, humic acid original powder
Product parameters:
Humic acid original powder (Humic Acid, be abbreviated as HA) is a kind of non-uniform aromatic hydroxy-carboxylic of macromolecule, appearance
For brown-black powder shape, it is insoluble in water, it is weakly acidic, contain hydroxyl, carboxyl, phenolic hydroxyl group isoreactivity group.
Quality index:
Project indicator organic matter (butt) 35%-55%
Purposes:
Humic acid original powder, (bioactive additive of Biological organic/inorganic compound fertilizer material) are a kind of complicated days
Right macromolecule organic polymer, containing a large amount of carboxyl, quinonyl and phenolic hydroxyl group active group, and the nitrogen containing 2-4%, phosphorus, potassium
Equal nutrients, have very high bio-physiological activity.For humic acid organic fertilizer material, the raw material of feed addictive etc. can be made
Middle and trace element etc. in desert soil reclamation agent, plant growth stimulator and fertilizer efficiency promoting agent and complexing soil, improves low yield
Soil；Improve the utilization rate of fertilizer；There is good permeability to cell membrane, stimulates plant growth and development；Increase the degeneration-resistant of crop
Performance；Improve quality of agricultural product.
Humic acid and its preparation are a kind of natural antibacterial, insecticides, and green, efficient, safety carry out prevention and control of plant diseases, pest control tool
There are both fertile both medicine, multiple regulation.
Its fineness, about 10% or so, is in up to 60 mesh or so, moisture content after the process processing of humic acid original powder
It is granular.Humic acid original powder and the blending ratio of sludge are controlled according to moisture content, final mixed material moisture content before Treatment of Sludge
System, if moisture percentage in sewage sludge is 80%, then adding by 1:1, such moisture just can be controlled in 40~50% or so, such as passes through sludge
Moisture content reaches 60% or so after crossing deep processing, and 1:1 is added in proportion, and moisture just can be controlled in 30~40%.
Further, the fermentation catalyst by weight, including following component: 50-70 parts of ammonium hydrogen carbonate, quick lime
10-20 parts, 5-10 parts of ferrous sulfate, 5-10 parts of vinasse, 10-20 parts of potassium chloride, 10-20 parts of phosphorus monoammonium, 10-20 parts of urea.
Two, the fermentation of humic acid:
Humic acid original powder is rich in humic acid, and there is presently no effectively developing and using, humic acid original powder corruption is planted in this research
Acid activation technology is combined with biofermentation technique, has studied the transformation characteristics of humic acid and nitrogen and phosphorus nutrient during hydrolysis and fermentation,
Attempt to develop the humic acid fertilizer that suitable organic agriculture produces.Result of study shows humic acid original powder by ammonium hydrogen carbonate and phosphorus
After sour ammonium processing, most of humic acid is converted into water soluble state, fulvo acid content 51%~60%；In activated material
Nitrogen and phosphorus nutrient be largely water-soluble.A large amount of nitrogen and phosphorus nutrient is utilized in microorganism in fermentation process, and Microbial Biomass Nitrogen phosphorus accounts for
The ratio of water-soluble nitrogen phosphorus highest at the end of culture, respectively reaches 52.42% and 73.74%, illustrates the water-soluble of half or so
Property nitrogen and most of water-soluble phosphorus element be Microbial Biomass Nitrogen phosphorus.During 30d is cultivated, close to 3% nitrogen and 15% phosphorus element warp
Microbial biomass circulation is crossed.It can be seen that the inorganic nitrogen and phosphorus nutrient that humic acid original powder is added when activating greatly converts
For Microbial Biomass Nitrogen phosphorus, and the conversion for having considerable a part to have passed through microbial biomass, tunning meet the life of organic agriculture
It produces and requires.
The addition of fermentation catalyst, quick lime react the temperature that can quickly improve sludge Yu humic acid original powder with water,
Increasing extent of temperature accelerates the activation of humic acid up to 5-10 DEG C；Ammonium hydrogen carbonate can activate the rotten plant in humic acid original powder in alkalinity
Acid tells on so that humic acid is quickly dissolved in water, finally reduces the fermentation time of sludge.
And ultimately form available sludge finished product.
Further, the sludge, the humic acid original powder and the fermentation catalyst mix simultaneously retting in fermentation vat.
Further, the mixture overturns after retting onto sun terrace, and turning dries 5-7 under condition of natural ventilation
It, obtains the satisfaction crushing that moisture content is 20-30%, the organic fertilizer of granulation and packing instructions.
Further, the urban sewage treatment plant sludge be urban wastewater treatment during generate Sludge from primary sedimentation tank and
Secondary settling tank sludge does not include grid slag, dross and desilting.
Further, the moisture content of the urban sewage treatment plant sludge is 80-85%.
Humic acid original powder becomes humic acid after fermentation catalyst of the invention is added, i.e., water-soluble, wherein organic matter
Content is about 80%, in various degree containing 60 kinds or more elements such as potassium, phosphorus, calcium, sulphur, magnesium, zinc, iron, aluminium, boron, sodium, copper；And
Lead, cadmium, chromium, mercury, arsenic content are far below NY1110-2010 " limitation requirement of water-soluble fertilizer mercury, arsenic, cadmium, lead, chromium " standard；It is rich
Containing microbial enzyme matter, microorganism growth promoting effect is significant；Surface area is big, and activity is strong；Melt water is good, and solubility is high, easy-to-use application.
Advantages of the present invention:
1, urban sewage treatment plant sludge processing fermentation catalyst disclosed by the invention, itself is good fertilizer,
The temperature that the catalyst is conducive to improve sludge is added simultaneously, is also beneficial to humic acid original powder and is quickly dissolved in water, can not only add
Fast sludge is reacted with humic acid original powder, and can effectively kill the pathogenic microorganism in sludge, realizes the innoxious of sludge
Processing.
2, urban sewage treatment plant sludge processing method disclosed by the invention, using humic acid original powder and fermentation catalyst this
A little fertilizers carry out fermentation precipitation processing to sludge first, shorten process flow, avoid conventional sludge stabilization treatment
In the process the problems such as energy consumption, pollution environment, while fermentation catalyst is conducive to the temperature for quickly improving sludge, is also beneficial to
Humic acid fast activating is simultaneously soluble in water, can not only accelerate reacting for sludge and humic acid, shortens the Treatment of Sludge time, Er Qieneng
Enough pathogenic microorganisms effectively killed in sludge, realize the harmless treatment of sludge.
3, sludge is handled using the method for the present invention, the advantages of sludge and humic acid original powder is combined, is completely secured
The primary characteristic of two kinds of substances, pH value can be controlled in pH value 7 or so, the processing product content of organic matter 75% or more, nitrogen,
Phosphorus, potassium have effectively played its advantage 5% or more.And harmful components in sludge are reduced by fermentation catalyst
Ratio can be used in this way in the land remediations such as agricultural, afforestation, realize the consumption of sludge, accomplish to turn waste into wealth.This
Outside, due to exempting to dry in treatment process, so reducing the consumption of the energy, while reducing the pressure of environmental protection again.
4, existing disposal facility and facility can be made full use of using the technology of the present invention, Ji Ge treatment plant generallys use aerobic
Fermentation installation does not need to invest and reconstruct again, at low cost, is suitble to promote.
Specific embodiment:
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1:
Urban sewage treatment plant sludge processing fermentation catalyst, by weight, including following component: ammonium hydrogen carbonate 50
Part, 10 parts of quick lime, 5 parts of ferrous sulfate, 10 parts of vinasse, 20 parts of potassium chloride, 20 parts of phosphorus monoammonium, 20 parts of urea.
Embodiment 2:
Urban sewage treatment plant sludge processing fermentation catalyst, by weight, including following component: ammonium hydrogen carbonate 50
Part, 20 parts of quick lime, 10 parts of ferrous sulfate, 10 parts of vinasse, 10 parts of potassium chloride, 10 parts of phosphorus monoammonium, 10 parts of urea.
Embodiment 3:
Urban sewage treatment plant sludge processing fermentation catalyst, by weight, including following component: ammonium hydrogen carbonate 50
Part, 15 parts of quick lime, 7 parts of ferrous sulfate, 7 parts of vinasse, 15 parts of potassium chloride, 15 parts of phosphorus monoammonium, 15 parts of urea.
Embodiment 4:
The Sludge from primary sedimentation tank and secondary settling tank sludge that raw sludge selects the urban wastewater treatment of certain sewage plant to generate in the process,
Being discharged into the long 30m in pond, the wide 10m in pond, depth 3m, the gradient is that humic acid original powder is added by weight 1:1 in 30 ° of fermentation vat, with
And the fermentation catalyst of sludge and humic acid original powder weight ratio 10% is accounted for, fermentation catalyst is using the fermentation matched in embodiment 1
Catalyst, blending stir evenly, and obtain the mixed material that moisture content is 45-50%, the blending ratio of humic acid original powder and sludge
It is controlled according to final mixed material moisture content；Retting 7 days, daily set time point detected fermentation vat center, mixing
Surface of material, center and the temperature of bottom position；It then overturns on sun terrace, turning dries under condition of natural ventilation, makes
Further fermentation obtains moisture content in the organic fertilizer of 20-30% for it.
Embodiment 5:
The present embodiment is carried out using the technique in embodiment 4, is matched in embodiment 2 the difference is that fermentation catalyst uses
The fermentation catalyst of ratio.
Embodiment 6:
The present embodiment is carried out using the technique in embodiment 4, is matched in embodiment 3 the difference is that fermentation catalyst uses
The fermentation catalyst of ratio.
Embodiment 4-6 is carried out in the sewage treatment plant of packet header, in treatment process in the daytime the highest temperature at 20 DEG C or so,
Table 1 is 3 temperature detection average values of mixed material in fermentation vat in embodiment 4-6, and as shown in Table 1: embodiment 4-6 is in dirt
In mud fermentation process, fermentation temperature can reach 30 DEG C or more at first day, and fermentation temperature was reached at the 5th day to the 7th day
To 50 DEG C or more, temperature is stablized, and temperature is higher, not only contributes to the fermentation of sludge, and helps to kill sludge
In pathogenic microorganism, realize the harmless treatment of sludge.
Table 2 is organic fertilizer obtained in embodiment 4-6, is chemically examined using the method for agricultural industry criteria NY525-2012
Detection, the result of obtained detection.As shown in Table 2:
The organic fertilizer that embodiment 4-6 processing sludge obtains, indices are much higher than the requirement of rower NY525-2012, and
And since sludge raw material is not mixed with industrial wastewater, it is practically free of the heavy metals such as As, Hg, Pb, Cd, Cr in organic fertilizer, reaches
The effect of waste utilization.
In 1 embodiment 4-6 of table in fermentation vat mixed material 3 temperature detection average values
| First day | Second day | Third day | 4th day | 5th day | 6th day | 7th day | |
| Embodiment 4 | 30℃ | 35℃ | 40℃ | 45℃ | 50℃ | 55℃ | 55℃ |
| Embodiment 5 | 31℃ | 35℃ | 41℃ | 46℃ | 52℃ | 54℃ | 55℃ |
| Embodiment 6 | 31℃ | 36℃ | 42℃ | 46℃ | 55℃ | 55℃ | 55℃ |
In 2 embodiment 4-6 of table in fermentation vat mixed material detected value
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. urban sewage treatment plant sludge processing fermentation catalyst, which is characterized in that by weight comprising such as the following group
Point: 50-70 parts of ammonium hydrogen carbonate, 10-20 parts of quick lime, 5-10 parts of ferrous sulfate, 5-10 parts of vinasse, 10-20 parts of potassium chloride, phosphorus one
10-20 parts of ammonium, 10-20 parts of urea.
2. urban sewage treatment plant sludge processing method, which is characterized in that humic acid is added in the sludge of urban wastewater treatment firm
Original powder and the fermentation catalyst for accounting for sludge and humic acid original powder weight ratio 10%, blending stir evenly, and obtaining moisture content is 45-
50% mixed material；It retting 7-10 days, then teds to obtain the organic fertilizer that moisture content is 20-30%.
3. urban sewage treatment plant sludge processing method according to claim 2, which is characterized in that the fermentation catalyst
By weight, including following component: 50-70 parts of ammonium hydrogen carbonate, 10-20 parts of quick lime, 5-10 parts of ferrous sulfate, vinasse 5-10
Part, 10-20 parts of potassium chloride, 10-20 parts of phosphorus monoammonium, 10-20 parts of urea.
4. urban sewage treatment plant sludge processing method according to claim 2, which is characterized in that the sludge, described
Humic acid original powder and the fermentation catalyst mix in fermentation vat and retting.
5. urban sewage treatment plant sludge processing method according to claim 2, which is characterized in that the mixture is through macerating
It after system, overturns onto sun terrace, turning dries 5-7 days under condition of natural ventilation, obtains the organic fertilizer that moisture content is 20-30%.
6. urban sewage treatment plant sludge processing method according to claim 2, which is characterized in that at the town sewage
The moisture content for managing factory's sludge is 80-85%.
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| CN201811438187.8A CN109279749A (en) | 2018-11-27 | 2018-11-27 | Urban sewage treatment plant sludge processing method and processing fermentation catalyst |
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| CN201811438187.8A CN109279749A (en) | 2018-11-27 | 2018-11-27 | Urban sewage treatment plant sludge processing method and processing fermentation catalyst |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315097A (en) * | 2021-11-23 | 2022-04-12 | 河海大学 | Method for adjusting sludge performance by using fertilizer |
| RU2797197C1 (en) * | 2022-07-27 | 2023-05-31 | Общество с ограниченной ответственностью "РУССКАЯ ТОРФЯНАЯ КОМПАНИЯ" | Method for processing sewage sludge from biological treatment facilities of petrochemical enterprises to obtain man-made soil |
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| CN1141278A (en) * | 1995-07-24 | 1997-01-29 | 日清制粉株式会社 | Method for mfg. organic fertilizer |
| JP2006151787A (en) * | 2004-11-02 | 2006-06-15 | Leaps:Kk | Humification accelerating agent, method of humifying organic material and humified material |
| CN106748148A (en) * | 2016-12-23 | 2017-05-31 | 迪斯科科技集团（宜昌）有限公司 | A kind of paddy rice-dedicated fertilizer produced with biological fermentation process and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315097A (en) * | 2021-11-23 | 2022-04-12 | 河海大学 | Method for adjusting sludge performance by using fertilizer |
| RU2797197C1 (en) * | 2022-07-27 | 2023-05-31 | Общество с ограниченной ответственностью "РУССКАЯ ТОРФЯНАЯ КОМПАНИЯ" | Method for processing sewage sludge from biological treatment facilities of petrochemical enterprises to obtain man-made soil |
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Application publication date: 20190129 |
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