CN101157499A - Plant straw treating organic sewage comprehensive utilization method - Google Patents

Plant straw treating organic sewage comprehensive utilization method Download PDF

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Publication number
CN101157499A
CN101157499A CNA2007101394833A CN200710139483A CN101157499A CN 101157499 A CN101157499 A CN 101157499A CN A2007101394833 A CNA2007101394833 A CN A2007101394833A CN 200710139483 A CN200710139483 A CN 200710139483A CN 101157499 A CN101157499 A CN 101157499A
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China
Prior art keywords
biological
sewage
treating organic
organic sewage
treatment step
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Pending
Application number
CNA2007101394833A
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Chinese (zh)
Inventor
陈立兵
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陈立兵
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Priority to CNA2007101394833A priority Critical patent/CN101157499A/en
Publication of CN101157499A publication Critical patent/CN101157499A/en
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    • 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

Abstract

The invention discloses a comprehensive utilizing method for vegetable straws in treating organic sewage. The method comprises a pretreatment procedure and a treatment procedure with a biological reactor containing biological fillings. The invention is characterized in that the biological fillings of the biological reactor are biologically processed powder of the vegetable straws; anaerobic biological bacteria liquid is added in the pretreatment procedure; the aerobic biological bacteria liquid is added in the treatment procedure with the biological reactor. In addition, after the biological reactor treatment procedure, a biological fermentation procedure is added on the discharged matter with the addition of ferment bacteria liquid to obtain biological compost. With the method, the production period of treating the sewage is generally shorter than 15 minutes; not only the treated water totally complies with the discharge standard and the discharged matter can be transformed into the quality biological compost, but also none of the three wastes is discharged during the whole process. The method is applicable to treating organic sewage or waste water from various pollution sources.

Description

The plant straw treating organic sewage method of comprehensive utilization
Technical field:
The invention belongs to the sewage or waste water processing technology field, relate to a kind of method of comprehensive utilization of carry out a biological disposal upon organic sewage or waste water specifically.
Technical background:
In the prior art, the method for handling town sewage or waste water has a lot, and use at present maximum effects best surely belong to the microbial film treatment process.Recently, CN1887739A discloses a kind of " active sludge-biomembrane compounding integral sewage treating method and device ", this method: at first treatment sewage is introduced the oxygen-starved area, do not stop to stir so that treatment sewage and active sludge thorough mixing; Then the sewage after the above-mentioned processing is introduced Packed aeration zone is set, the mud of microbial suspension growth and the microbial film of fixed growth are combined, by continuous aeration or intermittent aeration the sewage that enters the aeration zone is carried out aeration and handle; Mud after will handling is at last introduced the settling region, and natural sedimentation realizes mud-water separation, and the water purification that post precipitation forms is drawn from top, settling region, and the mud mixed liquid that post precipitation forms is back to the oxygen-starved area, and all the other excess sludges are directly drained.Though this method has plurality of advantages, also exist obvious deficiency, at first because active sludge mixes merely by forming nitrated dominant microflora naturally with sewage, so the biological culture time of dominant microflora is long, so cause sewage at the oxygen-starved area overstand; Secondly because the used filler in aeration zone is conventional material, and by long-time aeration, still be the microbial film absorption foul that forms by nature, it is slow therefore also to exist rate of adsorption, and sewage is in aeration zone overstand problem; This method mud of directly draining remains a kind of contaminated waste once more.
Summary of the invention:
The objective of the invention is, at the problems referred to above, a kind of method of comprehensive utilization of utilizing plant straw treating organic sewage is provided, this method is by changing the biologic packing material kind, be aided with enzymatic microorganism conditioning technology, not only can shorten the sewage disposal cycle greatly, and sewage sediment is turned waste into wealth, whole technological process does not have " three wastes " discharging.
Its technical solution is: a kind of plant straw treating organic sewage method of comprehensive utilization, comprise pre-treatment step and the bioreactor for treatment step that contains biologic packing material, it is characterized in that: the biologic packing material of said bio-reactor adopts the straw powder through biological treatment, and at pre-treatment step filling anaerobe bacterium liquid, at bioreactor for treatment step filling aerobe bacterium liquid.
Aforesaid plant straw treating organic sewage method of comprehensive utilization is characterized in that: set up the biological fermentation step to getting rid of thing after the bioreactor for treatment step, filling enzymatic microorganism liquid gets biological compost in this step.
Compared with prior art, the present invention has following advantage:
(1) owing to the filler of the straw powder of employing through carrying out a biological disposal upon as bio-reactor, and straw powder material is handled the biological bacteria that has just overgrowed with q.s through enzymatic microorganism before entering reactor, therefore after it enters in the sewage, huge biologic packing material surface-area will adsorb the foul in the sewage fall quickly, its speed is quite fast, and this process generally only needs several minutes.
(2) because at pre-treatment step filling anaerobe bacterium liquid, and this anaerobe bacterium liquid is beyond preprocessing system, needs and nutritive props configuration by nitrated bioprocess technology, use enzymatic microorganism technology preparation in advance and have a high density organized enzyme, therefore and dystrophic high-concentration bacterial liquid after it enters in the sewage, can cause biochemical reactions such as nitrated, decomposition, flocculation at once, accelerate the speed of removing contamination, this process generally also only needs several minutes to finish.
(3) because at bioreactor for treatment step filling aerobe bacterium liquid, therefore it can remedy the wherein bacterium amount loss of filler, thereby can effectively ensure the function of bio-reactor, make it remain on optimum Working up to the long period before the filler that more renews.
(4) owing to there are aforementioned (1), (2) two functions to ensure, so the cycle that the present invention disposes of sewage is quite short, general sewage leaves to water purification from entering preprocessing system that bio-reactor is the longest also to be no more than 15 minutes, and the production cycle that prior art is disposed of sewage the shortest also will be about 24 hours.
(5) be not difficult to find out from aforementioned (4) advantage, in the so short time, finish treating processes, many advantages such as its treatment facility has obviously that floor space is little, liquid flow short, simple in structure and processing ease.
(6) especially the present invention adopts the filler of straw powder as bio-reactor, and this just provides possibility for the comprehensive utilization of handling organic sewage.As everyone knows, this filler always had because of its adsorption filtration ability reduces in unavailable must the eliminating, yet this be excluded by being filled nitrogen, phosphorus and multiple organism, the useless filler of microorganism and the waste that traditional mud mixes, it is different from mud simple in the prior art, undoubtedly, it is a kind of recycling resources of nutritive substance such as nitrogen, phosphorus that are rich in.Because the present invention has set up the biological fermentation step at its rear portion, therefore filling enzymatic microorganism liquid adopt routine techniques promptly can obtain a kind of first-class biological compost, thereby turn waste into wealth in this step.
Facts have proved that (7) the present invention not only processing step is simple, the speed of removing contamination is fast, and it is effective to remove contamination, and after testing, the water purification of drawing from bio-reactor meets discharging standards fully, and whole technological process does not have " three wastes " discharging.
(8) the present invention integrates fast processing organic sewage technology and straw regenerative use technology, has tangible technology, economic worth and the value of environmental protection, therefore helps applying.
Description of drawings:
Fig. 1 is a process flow diagram of the present invention.
Embodiment:
Below in conjunction with accompanying drawing the present invention is elaborated.
As shown in the figure, plant straw treating organic sewage method of comprehensive utilization provided by the invention, it comprises pre-treatment step and contains the bioreactor for treatment step of biologic packing material, it is characterized in that: the biologic packing material of said bio-reactor adopts the straw powder through biological treatment, and at pre-treatment step filling anaerobe bacterium liquid, at bioreactor for treatment step filling aerobe bacterium liquid.And in bioreactor for treatment step back it is got rid of thing and set up the biological fermentation step, filling enzymatic microorganism liquid is got rid of thing with these at last and is become biological compost in this biological fermentation step.Here said preprocessing system mainly comprises Buffer Pool and barrier, and said promptly is to be sprayed onto in the Buffer Pool by the anaerobe bacterium liquid that atomizer will adopt conventional biotechnology to obtain at pre-treatment step filling anaerobe bacterium liquid.Here said anaerobe bacterium liquid has following characteristic: contain 24 bacterial strains, bacterium is measured up to 6 * 10 7/ g.Said straw powder through biological treatment promptly is to adopt conventional biotechnology outside bio-reactor in advance, the straw powder of crossing through fermentative processing.Here so-called straw mainly refers to the stalk of all kinds of farm crop, adopts the stem stalk of various wild herbs also passable certainly.Said powder means the meal that processes through mechanical disintegration.The particle diameter of this meal can require different and different according to DESIGN OF REACTOR, generally between 0.5mm-100mm.Said aerobe bacterium liquid promptly refers to adopt conventional biotechnology and the common aerobe bacterium liquid that obtains.
The present invention can be used for handling organic sewage or the waste water from various source of pollution.

Claims (2)

1. plant straw treating organic sewage method of comprehensive utilization, comprise pre-treatment step and the bioreactor for treatment step that contains biologic packing material, it is characterized in that: the biologic packing material of said bio-reactor adopts the straw powder through biological treatment, and at pre-treatment step filling anaerobe bacterium liquid, at bioreactor for treatment step filling aerobe bacterium liquid.
2. according to the plant straw treating organic sewage method of comprehensive utilization of claim 1, it is characterized in that: set up the biological fermentation step to getting rid of thing after the bioreactor for treatment step, filling enzymatic microorganism liquid gets biological compost in this step.
CNA2007101394833A 2007-09-18 2007-09-18 Plant straw treating organic sewage comprehensive utilization method Pending CN101157499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007101394833A CN101157499A (en) 2007-09-18 2007-09-18 Plant straw treating organic sewage comprehensive utilization method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007101394833A CN101157499A (en) 2007-09-18 2007-09-18 Plant straw treating organic sewage comprehensive utilization method

Publications (1)

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CN101157499A true CN101157499A (en) 2008-04-09

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CNA2007101394833A Pending CN101157499A (en) 2007-09-18 2007-09-18 Plant straw treating organic sewage comprehensive utilization method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104528931A (en) * 2015-01-22 2015-04-22 浙江大学 Biological aerated filter using barley straws as substrate and application thereof
CN105502805A (en) * 2015-12-03 2016-04-20 赵亚勋 Treatment system for enhanced microbiological multiple-stage treatment and recycling of domestic wastewater and domestic wastewater treatment method
CN106135884A (en) * 2015-03-23 2016-11-23 孙文彬 Utilize agricultural wastes produced environment friendly function ferment and preparation method thereof
CN110240501A (en) * 2019-07-03 2019-09-17 中农新科(苏州)有机循环研究院有限公司 The biological dewatered method of organic waste

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104528931A (en) * 2015-01-22 2015-04-22 浙江大学 Biological aerated filter using barley straws as substrate and application thereof
CN104528931B (en) * 2015-01-22 2016-06-29 浙江大学 A kind of with Barley straw be substrate BAF and application
CN106135884A (en) * 2015-03-23 2016-11-23 孙文彬 Utilize agricultural wastes produced environment friendly function ferment and preparation method thereof
CN106135884B (en) * 2015-03-23 2018-01-30 孙文彬 Utilize agricultural wastes produced environment friendly function ferment and preparation method thereof
CN105502805A (en) * 2015-12-03 2016-04-20 赵亚勋 Treatment system for enhanced microbiological multiple-stage treatment and recycling of domestic wastewater and domestic wastewater treatment method
CN105502805B (en) * 2015-12-03 2018-03-09 赵亚勋 Enhancement microbiological multistep treatment sanitary sewage and the processing system and domestic sewage processing method of recycling
CN110240501A (en) * 2019-07-03 2019-09-17 中农新科(苏州)有机循环研究院有限公司 The biological dewatered method of organic waste

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Open date: 20080409