CN1305781C - Bionical plant purifying method for polluted river water - Google Patents

Bionical plant purifying method for polluted river water Download PDF

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Publication number
CN1305781C
CN1305781C CNB2004100659157A CN200410065915A CN1305781C CN 1305781 C CN1305781 C CN 1305781C CN B2004100659157 A CNB2004100659157 A CN B2004100659157A CN 200410065915 A CN200410065915 A CN 200410065915A CN 1305781 C CN1305781 C CN 1305781C
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bionic
purifying
present
plants
filling fibers
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CNB2004100659157A
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CN1644531A (en
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王超
田伟君
王沛芳
侯俊
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Hohai University HHU
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Hohai University HHU
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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
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Biological Treatment Of Waste Water (AREA)

Abstract

The present invention relates to a method for purifying micro-pollution water bodies in rivers by using bionic plants. The present invention adopts bionic stems, segments and leaves of bionic plants, which are made of biological materials, to manufacture bionic plants. The micro-pollution water bodies can be purified by the bionic plants placed in a river. The present invention overcomes the defects that in the past, the indirect purifying effect is poor, the purifying technology is complicated, the purifying cost is high, planktonic plants are largely propagated so as to influence the purifying effect and block shipping by adopting biological filling materials. The bottom of the bionic plant manufactured by the present invention is fixed, vertically stands in a river bed, and automatically swings in the river water bodies. The soft filling materials with little toughness and a rough surface are absorbed with a large quantity of microorganisms, and thus, biological films are formed. Then, the polluted substances are purified. (namely film formation). By indication according to test data, the present invention has good effect of processing and purifying the micro-pollution water bodies, which is difficult to reach in the prior art. The manufacture of the bionic plants has the advantages of simple manufacture, low cost, and simple and convenient installation processes, and the method is easy to operate in a field.

Description

Bionic plant is to the purifying method of river micropollutant water
Technical field
The present invention relates to treatment process, particularly utilize bionic plant river (face of land) micropollutant water to be carried out the method for direct purification polluted-water.
Background technology
Before the present invention, along with constantly increasing the weight of that surface water body pollutes, people bring into use biomembrane process or method that it is handled and purifies, as adopt cord shape biologic packing material, pebble packing, biological activated carbon etc., near polluted-water, build sewage work, micropollutant water is introduced sewage work enter in the water body again through after the processing of aforesaid method.This method belongs to indirect processing micropollutant water, and effect is undesirable, invests also very big.People find out again and connect biologic packing material with floating drum and be positioned over and directly handle micropollutant water on the water body, though belong to direct facture, certain effect is also arranged, it is directly to influence river course shipping function and effect that but floating drum swims on the river course water surface one, the 2nd, floating drum swims on the water surface can attract and cause the breeding of a large amount of plant planktons, influences decontamination effect improving conversely again.
Summary of the invention
Purpose of the present invention just is to overcome above-mentioned defective, design, a kind of method of utilizing bionic plant directly to purify in micropollutant water of research.
Technical scheme of the present invention is:
Bionic plant is to the purifying method of river micropollutant water, packing sheet comprises center clasp, filling fibers, filling fibers passes the center clasp and is fixed on the clasp of center, it is characterized in that the center clasp is fixed on the pole, form bionic plant, the pole bottom is connected on the grid underframe, with grid underframe fixed placement in riverbed bottom.
Advantage of the present invention and effect are guaranteeing and do not influencing under the situation of river shipping and flood discharge function, utilize bionic plant to swim in the micropollutant water micropollutant water is carried out direct purifying treatment, promptly after original natural biological flora cultivates biofilm naturally as provenance in polluted-water, utilize bionic plant surface biological film that the absorption degradation effect of pollution substance is purified the river micropollutant water on the bionic plant surface.To pollutant in water COD Mn(chemical oxygen demand (COD)), NH 4 +-N (ammonia nitrogen), TN (total nitrogen) and TP (total phosphorus) all have purification to a certain degree, wherein to NH 4 +The clearance of-N can reach 36.63%.Bionic plant is fixed on the grid of bottom, riverbed by an end, the other end and whole branch body image plant equally can be floating arbitrarily in water body, has certain elasticity, toughness and the flexible pole made from the ABS material can freely swing along with flowing of current in water body, the packing sheet made from materials such as polyolefine on it comprises the center clasp, filling fibers also can rock arbitrarily in water body, swing, resistance to current is also little, do not influence shipping and flood discharge, and what select is corrosion-resistant, ageing-resistant high-quality plastics, filling fibers surface irregularity wherein, specific surface area is big, help microorganic adhesion, make it can and strengthen degraded and efficient pollution substance.Its concrete structure is very simple, also is easy to processing, and selected bionic plant scope is wide, can select to use with suiting measures to local conditions.
Description of drawings
The model diagram of the stonewort of Fig. 1--bionic plant of the present invention.
Fig. 2--bionic plant structure iron among the present invention.
Fig. 3--be used for fixing the grid underframe synoptic diagram of bionic plant among the present invention.
Fig. 4--bionic plant is positioned over the cross sectional representation in the riverbed among the present invention.
Embodiment
As shown in Figure 1 and Figure 2, the present invention exemplify bionical plant be stonewort, also can select other plant certainly; The bionical pole 4 of stem 1 usefulness of stonewort replaces, and the bionical center clasp 5 of joint 2 usefulness of stonewort replaces, and the bionical filling fibers 6 of leaf 3 usefulness of stonewort replaces; Center clasp 5, filling fibers 6 constitute packing sheet; Center clasp 5 is fixedly connected on the pole 4, and filling fibers 6 passes center clasp 5, is connected with center clasp 5 in the middle of it, and evenly launch radially to both sides at two ends, and bionical pole 4, center clasp 5, filling fibers 6 constitute bionic plant (stonewort) 9.Can also have submerged plants such as hornwort, watermifoil by bionical plant, as long as can be bionical and what can play respective action all is that the present invention emphasizes.
If in order to simplify, also can be on pole 4 direct fixedly connected filling fibers 6 (without center clasp 5), promptly filling fibers 6 directly uses when packing sheet.
(material of grid underframe can be selected wood, bamboo or cement block etc. for use according to the practical situation of locality with bamboo grid underframe 7, use bamboo in this example) be placed on the bottom, riverbed and fix with bamboo wedge 8, according to the diameter of pole 4 with arrange that density beats many holes, the bottom of pole 4 one by one inserted in the hole on the grid underframe 7 and with the softening joint of beating of wind welding machine fix on it; Because the pole 4 in the bionic plant 9 adopts the ABS material to make, and can be erected in the river, has very strong elasticity, toughness and flexibility, can swing along with flowing of current, does not influence the boat contact, the bending of when running into boat, bowing, boat later can be vertical again; Packing sheet comprises center clasp 5, filling fibers 6, and center clasp 5, filling fibers 6 all adopt polyolefine material to make, and is also very light, the pole 4 of can not bending; Filling fibers 6 is to make through special wire drawing and strand hair technology, surface irregularity, and specific surface area is big, is easy to microorganic adhesion.
Be each component materials performance table among the present invention below.
The member title Main raw Ultimate strength (N) Density (g/cm 3) Ultimate strength (N) before aging Aging back ultimate strength (N) Ultimate strength retention rate (%)
Pole center clasp filling fibers ABS PE PP 282 397 85 1.056 0.968 0.900 282 397 85 253.8 351 76.2 89.0 88.0 89.6
Certainly, component commands of the present invention part be not limited to the table listed scope, with last table materials similar also be that the present invention emphasizes.
Bionic plant 9 is fixedly connected on the grid underframe 7 of bottom, riverbed, make its swing freely in current, 9 pairs of polluted-waters of bionic plant carry out strengthened purification at first will be through the biomagnification stage of filling fibers 6, make to adhere on the filling fibers 6 and a large amount of pollution substance is directly carried out the microflora of cleaning action, promptly be commonly called as biofilm.The quality of biofilm determines the treatment effect of 9 pairs of polluted-waters of this bionic plant.The general biofilm of cultivation naturally that adopts under the unartificial control condition of this process, as provenance, the water yield is for the natural flow of unhurried current water body, with COD with original natural biological flora in the polluted-water Mn, NH 4 +-N, NO 2 --N/NO 3 -Biological variation characteristic characterizes the course of biomagnification on the filler on the variation of-N, TN, TP and the filling fibers.
Following table is that upper and lower 2 permanganate indiceses change and the testing data of removal effect during the biofilm.
Datedrawn Sampling point Contrast section COD MnChange in concentration value (mg/L) Clearance (%) Packing section COD MnChange in concentration value (mg/L) Clearance (%) Clean clearance (%)
The ingress The exit The ingress The place, mountain pass
6.12 On 11.12 11.04 0.719 11.04 10.89 1.359 0.64
Down 11.67 11.54 1.114 11.54 11.45 0.78 -0.334
6.15 On 10.35 10.21 1.353 10.21 10.08 1.273 -0.08
Down 11.07 11.01 0.542 11.01 10.82 1.726 1.218
6.18 On 9.14 9.03 1.204 9.03 8.84 2.104 0.9
Down 10.26 10.12 1.365 10.12 9.97 1.482 0.117
6.21 On 9.95 10.04 -0.9 10.2 9.95 2.451 3.351
Down 10.43 9.85 5.561 10.48 10.43 0.477 -5.084
6.25 On 9.24 9.13 1.19 9.13 9 1.424 0.234
Down 10.34 10.22 1.161 10.22 10.08 1.37 0.209
6.28 On 8.18 7.94 2.934 7.94 7.55 4.912 1.978
Down 8.68 8.36 3.687 8.36 7.77 7.057 3.37
7.1 On 7.65 7.53 1.569 7.53 7.01 6.906 5.337
Down 8.1 8.01 1.111 8.01 7.49 6.492 5.381
7.5 On 6.96 6.83 1.87 6.83 6.65 2.64 0.77
Down 7.63 7.63 0 7.63 7.36 3.54 3.54
7.9 On 7.85 7.73 1.529 7.73 7.01 9.314 7.785
Down 8.31 8.21 1.203 8.21 7.49 8.77 7.567
7.12 On 10.54 10.42 1.139 11.61 10.54 9.216 8.077
Down 11.71 11.58 1.11 12.52 11.71 6.47 5.36
Annotate: the upward point in the sampling point is meant the water sample at distance water surface 30cm place sampling spot, the more following water sample that is meant at distance water surface 60cm place sampling spot.
Following table is upper and lower 2 NH 4 -The change in concentration of N and removal effect data.
Datedrawn Sampling point Contrast section NH 4 +-N change in concentration value (mg/L) Clearance (%) Packing section NH 4 +-N change in concentration value (mg/L) Clearance (%) Clean clearance (%)
The ingress The exit The ingress The exit
6.12 On 0.847 0.823 2.809 0.823 0.802 2.587 -0.222
Down 0.877 0.86 1.904 0.86 0.845 1.802 -0.102
6.15 On 0.556 0.534 4.009 0.534 0.513 3.99 -0.019
Down 0.579 0.566 2.195 0.566 0.554 2.156 -0.039
6.18 On 1.118 1.096 1.994 1.096 1.046 4.607 2.613
Down 1.13 1.115 1.301 1.115 1.065 4.52 3.219
6.21 On 0.869 0.812 6.527 1.069 0.869 18.71 12.183
Down 0.884 0.827 6.438 1.091 0.884 18.98 12.542
6.25 On 1.775 1.722 2.997 1.722 1.343 21.99 18.993
Down 1.802 1.77 1.803 1.77 1.434 19 16.003
6.28 On 1.994 1.949 2.237 1.949 1.422 27.06 24.823
Down 2.002 2 0.1 2 1.512 24.4 24.3
7.1 On 1.783 1.808 1.383 1.808 1.143 36.8 35.417
Down 1.835 1.81 1.335 1.81 1.17 35.4 34.065
7.5 On 0.96 0.92 4.79 0.92 0.53 42 37.21
Down 0.99 0.96 2.5 0.96 0.57 40.9 38.4
7.9 On 0.27 0.258 4.19 0.258 0.153 40.98 36.79
Down 0.27 0.262 2.999 0.262 0.155 40.99 37.991
7.12 On 0.053 0.051 3.766 0.088 0.053 39.45 35.684
Down 0.062 0.061 1.456 0.102 0.062 39.23 37.774
Comprehensive above-mentioned two table data, the COD of packing section MnClearance just began to be higher than a contrast section COD at initial several days MnClearance, reached 2%, illustrate the quantity of river heterotrophic bacterium big and success adhere at filling fibers 6; Along with the reduction of substrate concn, clearance also slightly reduces, but since the growth and breeding of heterotrophic bacterium on the filling fibers 6, COD MnThe general trend of clearance still rises gradually, is stabilized in about 10% at last; Packing section NH 4 -The clearance of the clearance of the preceding 6d of-N after startup and contrast section is no change almost, illustrates that the reproduction speed of nitrobacteria is slower, but since June 18, NH 4 +The clearance amplification of-N is bigger, is step-like rising, is stabilized in about 40% at last.In whole biofilm process, NH 4 -The clearance of-N is not to rise gradually, but the rising of stepped great-jump-forward, this is relevant with the logarithmic growth rule of nitrifier to a certain extent.
Not before the water flowing, filling fibers 6 is water white after installing in the river course, and water flowing changes on the filling fibers 6 after starting gradually; The 9th day microscopy after startup observed, and with microorganism, filling fibers 6 outward appearances are light green on the filling fibers 6, and the algae that discovery filling fibers 6 adheres to during microscopy is more, and wherein diatom, blue-green algae and green alga are more, and mushroom (mainly being bacillus and coccus) is less; Start back the 16th day, cotton-shaped bur is arranged on the filling fibers 6, filling fibers 6 outward appearances are yellow-green colour, find during microscopy that the mushroom on the filling fibers 6 begins to increase, and exist with zoogleic form, the quantity of algae is also reducing gradually, but still has exposed part to exist on the filling fibers 6; Start back the 23rd day, cotton-shaped bur thickens on the filling fibers 6, not had exposed part exists, the outward appearance of filling fibers 6 is breen, find during microscopy on the filling fibers 6 that kind increases to some extent that (the observable algae of microscopy has the Microcystis aeruginosa of Cyanophyta, Anabaena, the little ring algae of Bacillariophyta, crisp bar algae and boat-shaped algae, the avette latent algae of Cryptophyta conceals algae with eroding, the fusiformis Euglena of Euglenophyta, the grid algae of Chlorophyta, the discoctaster algae, the cross algae, the ball float algae, arc algae, Closterium and desmids etc.), kind of bacterium and quantity are also in continuous increase simultaneously, metazoan also begins to occur, as polyzoan, wheel animalcule etc., but the bigger oligochaetes annelid of some individuality is with the naked eye just seen on the filling fibers; The 30th day of biofilm, the outward appearance of filling fibers 6 has presented chocolate, wherein can indistinctly see a silk green, and animal species and quantity increase on the filling fibers 6, and the dominant animal kind has campanularian, a tired branch worm, wheel animalcule, the fine worm of lid, trumpet animalcule, polyzoan etc.
From COD MnAnd NH 4 +The removal effect of-N and the changing conditions on the filling fibers are as seen, about the 30d after the startup, biomagnification process on the filling fibers 6 is finished, and microbial film is ripe, and this filling fibers 6 that further specifies this bionic plant 9 has the advantages that specific surface area is big, biology is easy to adhere to.
The implementation phase of entering into strengthened purification formal after biofilm is finished, when micropollutant water was flowed through bionic plant 9, the pollution substance in the water had obtained removal by the absorption degradation effect of bionic plant 9 surface biological films.In formal implementation process, obtained removal effect preferably.
Be the test effect table in the implementation process below.(unit: mg/L)
Datedrawn The clean clearance (%) of packing section
COD Mn NH 4 +-N TN TP
7.27 7.48752 36.62651 17.68057 16.96884
8.25 6.740825 22.441502 9.30099 28.56609
9.26 7.392924 20.73085 24.54165 22.65117
10.24 4.656573 12.3361998 18.36772 5.21096
11.14 6.040353 7.446216 4.487663 5.03127
12.04 3.931394 7.099231 1.753223 -21.0765
This shows that the utility model is very high to the clearance of pollution substance, wherein NH 4 +The clearance of-N can reach 36.63%, has alleviated the eutrophication degree of water body greatly.

Claims (1)

1. bionic plant is to the purifying method of river micropollutant water, packing sheet comprises center clasp, filling fibers, filling fibers passes the center clasp and is fixed on the clasp of center, center clasp, filling fibers adopt polyolefine material to make, it is characterized in that the center clasp is fixed on the pole, form bionic plant, pole is made with the ABS material, the pole bottom is connected on the grid underframe, with grid underframe fixed placement in riverbed bottom.
CNB2004100659157A 2004-12-27 2004-12-27 Bionical plant purifying method for polluted river water Expired - Fee Related CN1305781C (en)

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CN1305781C true CN1305781C (en) 2007-03-21

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100389079C (en) * 2005-12-14 2008-05-21 东南大学 Bionic aquatic weed and its intensified purification method for water quality
CN104445583A (en) * 2014-11-30 2015-03-25 陈伟群 Filler device suitable for treating contaminated raw water in riverway
CN104496010A (en) * 2014-11-30 2015-04-08 陈伟群 Bionic filler fixing device
CN104787873B (en) * 2015-03-25 2017-02-22 深圳地大水务工程有限公司 Artificial root system packing unit, biological carrier and biological membrane bioreactor module
CN105016460B (en) * 2015-07-01 2017-05-03 太原卫安环保科技有限公司 Water treatment device for ecological restoration of micro-polluted water body
CN107140729B (en) * 2017-05-05 2022-05-06 广汉海天洁诚水务有限公司 Sewage recycling pretreatment filler
CN106978794B (en) * 2017-05-25 2019-08-06 河海大学 A method of utilizing bionic plant reparation degeneration Riparian Zone
CN108658239B (en) * 2018-08-09 2023-11-07 中国科学院南京地理与湖泊研究所 Bionic submerged plant community and water ecology improvement method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2068417U (en) * 1990-04-07 1991-01-02 叶善训 Elastic stereo padding
CN1032421C (en) * 1992-12-31 1996-07-31 山东大学 Centre apparatus for culturing photosynthetic bacteria to treat organic waste water
CN1262238A (en) * 1999-01-22 2000-08-09 刘端华 Multi-biomass bioreactor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2068417U (en) * 1990-04-07 1991-01-02 叶善训 Elastic stereo padding
CN1032421C (en) * 1992-12-31 1996-07-31 山东大学 Centre apparatus for culturing photosynthetic bacteria to treat organic waste water
CN1262238A (en) * 1999-01-22 2000-08-09 刘端华 Multi-biomass bioreactor

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