CN104710079A - Method for utilizing modified mordenite to treat urban recycled water - Google Patents
Method for utilizing modified mordenite to treat urban recycled water Download PDFInfo
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- CN104710079A CN104710079A CN201510114472.4A CN201510114472A CN104710079A CN 104710079 A CN104710079 A CN 104710079A CN 201510114472 A CN201510114472 A CN 201510114472A CN 104710079 A CN104710079 A CN 104710079A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 85
- 229910052680 mordenite Inorganic materials 0.000 title claims abstract description 33
- 239000010881 fly ash Substances 0.000 claims abstract description 64
- 238000001179 sorption measurement Methods 0.000 claims abstract description 38
- 239000002781 deodorant agent Substances 0.000 claims abstract description 34
- 239000002250 absorbent Substances 0.000 claims description 52
- 230000002745 absorbent Effects 0.000 claims description 52
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims description 30
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 22
- 239000002243 precursor Substances 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- 239000006004 Quartz sand Substances 0.000 claims description 10
- 241000190950 Rhodopseudomonas palustris Species 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 230000001580 bacterial effect Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 241000194103 Bacillus pumilus Species 0.000 claims description 5
- 241000589540 Pseudomonas fluorescens Species 0.000 claims description 5
- 240000005384 Rhizopus oryzae Species 0.000 claims description 5
- 235000013752 Rhizopus oryzae Nutrition 0.000 claims description 5
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 5
- 241000194017 Streptococcus Species 0.000 claims description 5
- 241000187747 Streptomyces Species 0.000 claims description 5
- 241000187392 Streptomyces griseus Species 0.000 claims description 5
- 241000187395 Streptomyces microflavus Species 0.000 claims description 5
- 241000509563 [Candida] inconspicua Species 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 5
- 241000385540 bacterium 10 Species 0.000 claims description 5
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 235000012255 calcium oxide Nutrition 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004332 deodorization Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 229920000609 methyl cellulose Polymers 0.000 claims description 5
- 239000001923 methylcellulose Substances 0.000 claims description 5
- 230000000813 microbial effect Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000000643 oven drying Methods 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- MKPXGEVFQSIKGE-UHFFFAOYSA-N [Mg].[Si] Chemical compound [Mg].[Si] MKPXGEVFQSIKGE-UHFFFAOYSA-N 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 244000275012 Sesbania cannabina Species 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 4
- -1 fluorine ions Chemical class 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 abstract description 2
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 2
- 239000003463 adsorbent Substances 0.000 abstract 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 241000219782 Sesbania Species 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a method for utilizing modified mordenite to treat urban recycled water. The COD value of the recycled water is 65-95 mg/L. The method is characterized by comprising fly ash adsorbent treatment, biological deodorant treatment, biological purificant treatment and modified mordenite adsorption treatment which are sequentially carried out. According to the method, a fly ash adsorbent can adsorb large-grain organic substances in water; a biological deodorant can eliminate abnormal smell in water; a biological purificant can consume residual organic substances in water; modified mordenite can efficiently remove calcium-magnesium ions, fluorine ions and other heavy metal ions in sewage.
Description
Technical field
The present invention is the divisional application of application for a patent for invention " a kind of deep treatment method of municipal middle water " (application number: 201410057403X) that on February 20th, 2014 submits to.Belong to municipal sewage treatment field of Environment Protection, particularly relate to a kind of method of applying modified mordenite process municipal middle water.
Background technology
Middle water, also claims reuse water, and refer to that sewage is after suitably processing, and reaches certain water-quality guideline, meets certain service requirements, can carry out the water of useful use, a large amount of middle water is used as landscape water.Municipal middle water (hereinafter referred to as middle water), as the second water source in city, has that the water yield is large, water conditioning, from the horse's mouth and do not need the features such as long distance water diversion, is a kind of regenerated water source of Sustainable development from now on.Treated sewage reusing effectively can solve water resources deficiency, improves water resources repeating utilization factor and reduce sewage discharge, has huge social benefit and good economic benefit.Although the Pollutant levels in middle water reach discharging standards, water quality is also better than industrial sewage, has some indexs still poor, can not meet the requirement of industrial production to water quality, as COD, suspended substance and microorganism etc.Therefore, municipal middle water could reuse after must suitably processing.
If municipal middle water processes bad, body eutrophication can be caused, water ecological environment constantly worsens, sense organ shows as algae in water increases by geometric progression, transparency and dissolved oxygen decline, water quality deterioration in water, presents different colours, animals and plants and human health in harm water, make Ecology and water function be hindered and destroy, water taste becomes stench, and water clarity declines, water body is muddy, makes the aesthetic values such as landscape water body forfeiture is viewed and admired, amusement.Therefore, improve the advanced treatment dynamics of municipal middle water, making it not damage human body, animal body, water body for ensureing during landscape water, is a large technical study focus in this area.
Summary of the invention
In order to overcome deficiency of the prior art, the object of this invention is to provide a kind of method of applying modified mordenite process municipal middle water, advanced treatment is carried out to municipal middle water, contaminant removal efficiency is high, stable effluent quality, pollutent is removed substantially, can meet landscape water and put into requirement.
Technical scheme of the present invention is as follows.
A kind of method of applying modified mordenite process municipal middle water, the COD value of described middle water between 65-95mg/L, described method comprise carry out in turn fly ash absorbent process, biological deodorant process, biological cleanser process, modified mordenite adsorption treatment; Be specially:
(1) fly ash absorbent process: middle water is introduced in flyash treating pond, Xiang Chizhong drops into fly ash absorbent centering water and carries out pre-treatment, fly ash absorbent adds weight and middle water weight ratio is routine between 0.8-2.8:100, and the treatment time is 3-36h; Described fly ash absorbent is prepared by the following method: (A), according to parts by weight: unslaked lime 10-15 part, polynite 5-9 part, vermiculite 1-5 part, clay 2-20 part, methylcellulose gum 2-6 part, Sodium Bromide 1-2 part, aluminum oxide 5-10 part, flyash 100-240 part, each raw material is mixed, adding water and making diameter is 35-45mm spheroidal particle, then at 950-980 DEG C, sinters 2-3h at tunnel furnace, obtains fly ash absorbent precursor after cooling; (B), preparing volumetric molar concentration is the aqueous sodium bromide of 1-1.5mol/L, the fly ash absorbent precursor that step (A) obtains is poured in described aqueous sodium bromide and carries out dip treating 16-24h, (C), by after the fly ash absorbent precursor of step (B) dip treating puts into vacuum drying oven drying treatment 10-20h, fly ash absorbent is obtained;
(2) biological deodorant process: introduced in biological deodorization tank by water in fly ash absorbent process, Xiang Chizhong adds biological deodorant, biological deodorant adds weight and middle water weight ratio is routine between 0.1-0.8:100, and the treatment time is 3-5 days; The microbial strains of described biological deodorant consists of: Lactobacterium acidophilum 10
6-10
9individual/mL, bacillus pumilus 10
6-10
9individual/mL, subtilis 10
6-10
9individual/mL, Pseudomonas fluorescens 10
5-10
7individual/mL, Rhodopseudomonas palustris 10
5-10
7individual/mL, class figure British mold 10
4-10
6individual/mL, candida inconspicua bacterium 10
4-10
6individual/mL, expansion mould 10
4-10
6individual/mL, Rhizopus oryzae 10
4-10
6individual/mL, viride 10
4-10
6individual/mL, streptomyces microflavus 10
4-10
6individual/mL and streptomyces griseus 10
4-10
6individual/mL;
(3) biological cleanser process: water in biological deodorant process is introduced in biological purifying tank, Xiang Chizhong adds biological cleanser, biological cleanser adds weight and middle water weight ratio is routine between 0.8-6.8:100, treatment time is 5-9 days, and adjustment aeration condition makes the amount of the dissolved oxygen in middle water be 3-4mg/L; Bacterial classification in described biological cleanser comprises Rhodopseudomonas rutila, Streptomyces jingyangensis, and streptococcus acidi lactici, and the substratum of described bacterial classification is made up of the component of following masses ratio: brown sugar 5-6%, yeast powder 1-2%, and surplus is water;
(4) modified mordenite adsorption treatment: use water in biological cleanser process lift pump be delivered to be positioned at the adsorption tower water-in bottom adsorption tower after filtering, adsorption tower is filled with nonwoven layer, quartz sand layer and modified zeolite layer from the bottom up successively, wherein, the thickness of nonwoven layer is between 2-20mm, and the thickness ratio of quartz sand layer and modified zeolite layer is 1:0.5-0.8; The modification procedure of described modified mordenite is: mordenite, kaolin, silicon magnesium glue, sesbania powder and phosphoric acid are mixed according to part by weight 60:30:30:20:20, then add water and be prepared into the slurries that solid content is 50-55%; Slurries spray dried into powder form particle, then by powdered granule in retort furnace in 500-700 DEG C of roasting 3-5h, be then cooled to room temperature, obtain modified zeolite; Water flows out from the adsorption tower water outlet being positioned at adsorption tower top, through pump delivery to aqua storage tank, is advanced treatment product water.
Preferably, in described modification procedure, the volumetric molar concentration of phosphoric acid is 0.9-1.3mol/L, is preferably 1.0mol/L.
Described mordenite is commercially available mordenite, or the available mordenite of those skilled in the art, the present invention finds, mordenite is due to its specific structure, in absorption effluent, there is in metal ion good effect, after the adsorption treatment of modified mordenite, water pollutant reduces further.
In the present invention, by carrying out advanced treatment to municipal middle water, and through fly ash absorbent process, biological deodorant process, biological cleanser process, modified mordenite adsorption treatment, stable effluent quality, reach the requirement of landscape water, fly ash absorbent can macrobead organic substance in planar water, biological deodorant can eliminate in peculiar smell in water, remaining organism during biological cleanser can consume in water, modified zeolite can remove calcium ions and magnesium ions in sewage, fluorion and other heavy metal ion efficiently.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated.
Embodiment 1
Process a method for municipal middle water, the COD value of described middle water is 95mg/L, described method comprise carry out in turn fly ash absorbent process, biological deodorant process, biological cleanser process, modified zeolite adsorption treatment; Be specially:
(1) fly ash absorbent process: middle water is introduced in flyash treating pond, Xiang Chizhong drops into fly ash absorbent centering water and carries out pre-treatment, and fly ash absorbent adds weight and middle water weight ratio is routine between 2.8:100, and the treatment time is 36h; Described fly ash absorbent is prepared by the following method: (A), according to parts by weight: unslaked lime 15 parts, polynite 9 parts, vermiculite 5 parts, clay 20 parts, methylcellulose gum 6 parts, Sodium Bromide 2 parts, 10 parts, aluminum oxide, 240 parts, flyash, each raw material is mixed, adding water and making diameter is 45mm spheroidal particle, then at 980 DEG C, sinters 3h at tunnel furnace, obtains fly ash absorbent precursor after cooling; (B), preparing volumetric molar concentration is the aqueous sodium bromide of 1.5mol/L, the fly ash absorbent precursor that step (A) obtains is poured in described aqueous sodium bromide and carries out dip treating 24h, (C), by after the fly ash absorbent precursor of step (B) dip treating puts into vacuum drying oven drying treatment 20h, fly ash absorbent is obtained;
(2) biological deodorant process: introduced in biological deodorization tank by water in fly ash absorbent process, Xiang Chizhong adds biological deodorant, biological deodorant adds weight and middle water weight ratio is routine between 0.8:100, and the treatment time is 5 days; The microbial strains of described biological deodorant consists of: Lactobacterium acidophilum 10
6-10
9individual/mL, bacillus pumilus 10
6-10
9individual/mL, subtilis 10
6-10
9individual/mL, Pseudomonas fluorescens 10
5-10
7individual/mL, Rhodopseudomonas palustris 10
5-10
7individual/mL, class figure British mold 10
4-10
6individual/mL, candida inconspicua bacterium 10
4-10
6individual/mL, expansion mould 10
4-10
6individual/mL, Rhizopus oryzae 10
4-10
6individual/mL, viride 10
4-10
6individual/mL, streptomyces microflavus 10
4-10
6individual/mL and streptomyces griseus 10
4-10
6individual/mL;
(3) biological cleanser process: water in biological deodorant process is introduced in biological purifying tank, Xiang Chizhong adds biological cleanser, biological cleanser adds weight and middle water weight ratio is routine between 6.8:100, treatment time is 9 days, and adjustment aeration condition makes the amount of the dissolved oxygen in middle water be 4mg/L; Bacterial classification in described biological cleanser comprises Rhodopseudomonas rutila, Streptomyces jingyangensis, and streptococcus acidi lactici, and the substratum of described bacterial classification is made up of the component of following masses ratio: brown sugar 5-6%, yeast powder 1-2%, and surplus is water;
(4) modified zeolite adsorption treatment: use water in biological cleanser process lift pump be delivered to be positioned at the adsorption tower water-in bottom adsorption tower after filtering, adsorption tower is filled with nonwoven layer, quartz sand layer and modified zeolite layer from the bottom up successively, wherein, the thickness of nonwoven layer is 20mm, the thickness ratio of quartz sand layer and modified zeolite layer is 1:0.8, water flows out from the adsorption tower water outlet being positioned at adsorption tower top, through pump delivery to aqua storage tank, is advanced treatment product water.
Modified zeolite in the present embodiment is sodium-chlor modified zeolite, its preparation method is be load the zeolite that particle diameter is 0.5 ~ 1.0mm in the synthetic glass post of 14mm at internal diameter, properties-correcting agent NaCl solution with the flow velocity of 0.5m/h by zeolite layer to ion-exchange completely.
Embodiment 2
A method for applying modified mordenite process municipal middle water, the COD value of described middle water is 65mg/L, described method comprise carry out in turn fly ash absorbent process, biological deodorant process, biological cleanser process, modified mordenite adsorption treatment; Be specially:
(1) fly ash absorbent process: middle water is introduced in flyash treating pond, Xiang Chizhong drops into fly ash absorbent centering water and carries out pre-treatment, and fly ash absorbent adds weight and middle water weight ratio is routine between 0.8:100, and the treatment time is 3h; Described fly ash absorbent is prepared by the following method: (A), according to parts by weight: unslaked lime 10 parts, polynite 5 parts, vermiculite 1 part, clay 2 parts, methylcellulose gum 2 parts, Sodium Bromide 1 part, 5 parts, aluminum oxide, 100 parts, flyash, each raw material is mixed, adding water and making diameter is 35mm spheroidal particle, then at 950 DEG C, sinters 2h at tunnel furnace, obtains fly ash absorbent precursor after cooling; (B), preparing volumetric molar concentration is the aqueous sodium bromide of 1mol/L, the fly ash absorbent precursor that step (A) obtains is poured in described aqueous sodium bromide and carries out dip treating 16h, (C), by after the fly ash absorbent precursor of step (B) dip treating puts into vacuum drying oven drying treatment 10h, fly ash absorbent is obtained;
(2) biological deodorant process: introduced in biological deodorization tank by water in fly ash absorbent process, Xiang Chizhong adds biological deodorant, biological deodorant adds weight and middle water weight ratio is routine between 0.1:100, and the treatment time is 3 days; The microbial strains of described biological deodorant consists of: Lactobacterium acidophilum 10
6-10
9individual/mL, bacillus pumilus 10
6-10
9individual/mL, subtilis 10
6-10
9individual/mL, Pseudomonas fluorescens 10
5-10
7individual/mL, Rhodopseudomonas palustris 10
5-10
7individual/mL, class figure British mold 10
4-10
6individual/mL, candida inconspicua bacterium 10
4-10
6individual/mL, expansion mould 10
4-10
6individual/mL, Rhizopus oryzae 10
4-10
6individual/mL, viride 10
4-10
6individual/mL, streptomyces microflavus 10
4-10
6individual/mL and streptomyces griseus 10
4-10
6individual/mL;
(3) biological cleanser process: water in biological deodorant process is introduced in biological purifying tank, Xiang Chizhong adds biological cleanser, biological cleanser adds weight and middle water weight ratio is routine between 0.8:100, treatment time is 5 days, and adjustment aeration condition makes the amount of the dissolved oxygen in middle water be 3mg/L; Bacterial classification in described biological cleanser comprises Rhodopseudomonas rutila, Streptomyces jingyangensis, and streptococcus acidi lactici, and the substratum of described bacterial classification is made up of the component of following masses ratio: brown sugar 5-6%, yeast powder 1-2%, and surplus is water;
(4) modified mordenite adsorption treatment: use water in biological cleanser process lift pump be delivered to be positioned at the adsorption tower water-in bottom adsorption tower after filtering, adsorption tower is filled with nonwoven layer, quartz sand layer and modified zeolite layer from the bottom up successively, wherein, the thickness of nonwoven layer is 2mm, the thickness ratio of quartz sand layer and modified zeolite layer is 1:0.5, water flows out from the adsorption tower water outlet being positioned at adsorption tower top, through pump delivery to aqua storage tank, is advanced treatment product water; Described modified zeolite is modified mordenite, and modification procedure is: mordenite, kaolin, silicon magnesium glue, sesbania powder and phosphoric acid are mixed according to part by weight 60:30:30:20:20, then add water and be prepared into the slurries that solid content is 50-55%; Slurries spray dried into powder form particle, then by powdered granule in retort furnace in 500-700 DEG C of roasting 3-5h, be then cooled to room temperature, obtain modified zeolite, wherein the volumetric molar concentration of phosphoric acid is 1.3mol/L.
Embodiment 3
A method for applying modified mordenite process municipal middle water, the COD value of described middle water is 70mg/L, described method comprise carry out in turn fly ash absorbent process, biological deodorant process, biological cleanser process, modified mordenite adsorption treatment; Be specially:
(1) fly ash absorbent process: middle water is introduced in flyash treating pond, Xiang Chizhong drops into fly ash absorbent centering water and carries out pre-treatment, and fly ash absorbent adds weight and middle water weight ratio is routine between 0.8:100, and the treatment time is 3h; Described fly ash absorbent is prepared by the following method: (A), according to parts by weight: unslaked lime 10 parts, polynite 5 parts, vermiculite 1 part, clay 2 parts, methylcellulose gum 2 parts, Sodium Bromide 1 part, 5 parts, aluminum oxide, 100 parts, flyash, each raw material is mixed, adding water and making diameter is 35mm spheroidal particle, then at 950 DEG C, sinters 2h at tunnel furnace, obtains fly ash absorbent precursor after cooling; (B), preparing volumetric molar concentration is the aqueous sodium bromide of 1mol/L, the fly ash absorbent precursor that step (A) obtains is poured in described aqueous sodium bromide and carries out dip treating 16h, (C), by after the fly ash absorbent precursor of step (B) dip treating puts into vacuum drying oven drying treatment 10h, fly ash absorbent is obtained;
(2) biological deodorant process: introduced in biological deodorization tank by water in fly ash absorbent process, Xiang Chizhong adds biological deodorant, biological deodorant adds weight and middle water weight ratio is routine at 0.1:100, and the treatment time is 3 days; The microbial strains of described biological deodorant consists of: Lactobacterium acidophilum 10
8-10
9individual/mL, bacillus pumilus 10
8-10
9individual/mL, subtilis 10
6-10
7individual/mL, Pseudomonas fluorescens 10
6-10
7individual/mL, Rhodopseudomonas palustris 10
6-10
7individual/mL, class figure British mold 10
5-10
6individual/mL, candida inconspicua bacterium 10
5-10
6individual/mL, expansion mould 10
5-10
6individual/mL, Rhizopus oryzae 10
5-10
6individual/mL, viride 10
5-10
6individual/mL, streptomyces microflavus 10
5-10
6individual/mL and streptomyces griseus 10
5-10
6individual/mL;
(3) biological cleanser process: water in biological deodorant process is introduced in biological purifying tank, Xiang Chizhong adds biological cleanser, biological cleanser adds weight and middle water weight ratio is routine at 0.8:100, treatment time is 5 days, and adjustment aeration condition makes the amount of the dissolved oxygen in middle water be 3mg/L; Bacterial classification in described biological cleanser comprises Rhodopseudomonas rutila, Streptomyces jingyangensis, and streptococcus acidi lactici, and the substratum of described bacterial classification is made up of the component of following masses ratio: brown sugar 5%, yeast powder 2%, and surplus is water;
(4) modified mordenite adsorption treatment: use water in biological cleanser process lift pump be delivered to be positioned at the adsorption tower water-in bottom adsorption tower after filtering, adsorption tower is filled with nonwoven layer, quartz sand layer and modified zeolite layer from the bottom up successively, wherein, the thickness of nonwoven layer is 20mm, the thickness ratio of quartz sand layer and modified zeolite layer is 1:0.8, water flows out from the adsorption tower water outlet being positioned at adsorption tower top, through pump delivery to aqua storage tank, it is advanced treatment product water; Described modified zeolite is modified mordenite, and modification procedure is: mordenite, kaolin, silicon magnesium glue, sesbania powder and phosphoric acid are mixed according to part by weight 60:30:30:20:20, then add water and be prepared into the slurries that solid content is 55%; Slurries spray dried into powder form particle, then by powdered granule in retort furnace in 500 DEG C of roasting 3h, be then cooled to room temperature, obtain modified zeolite, wherein the volumetric molar concentration of phosphoric acid is 0.9mol/L.
In order to the product water water quality of testing example 1,2,3, the product water that embodiment 1,2,3 obtains by contriver detects according to " urban wastewater treatment firm pollutant emission standard GB18918-2002 ", detected result is as shown in table 1, can find out, water quality is all better than country-level A standard, can be used in landscape water.Table 1 is the result of embodiment 1,2.
Although above-described embodiment is to invention has been detailed description; but it is only the present invention's part embodiment; instead of whole embodiment, people can also obtain other embodiments according to the present embodiment under without creative prerequisite, and these embodiments all belong to protection scope of the present invention.
Claims (1)
1. the method for an applying modified mordenite process municipal middle water, the COD value of described middle water is between 65-95mg/L, it is characterized in that, described method comprise carry out in turn fly ash absorbent process, biological deodorant process, biological cleanser process, modified mordenite adsorption treatment; Be specially:
(1) fly ash absorbent process: middle water is introduced in flyash treating pond, Xiang Chizhong drops into fly ash absorbent centering water and carries out pre-treatment, fly ash absorbent adds weight and middle water weight ratio is routine between 0.8-2.8:100, and the treatment time is 3-36h; Described fly ash absorbent is prepared by the following method: (A), according to parts by weight: unslaked lime 10-15 part, polynite 5-9 part, vermiculite 1-5 part, clay 2-20 part, methylcellulose gum 2-6 part, Sodium Bromide 1-2 part, aluminum oxide 5-10 part, flyash 100-240 part, each raw material is mixed, adding water and making diameter is 35-45mm spheroidal particle, then at 950-980 DEG C, sinters 2-3h at tunnel furnace, obtains fly ash absorbent precursor after cooling; (B), preparing volumetric molar concentration is the aqueous sodium bromide of 1-1.5mol/L, the fly ash absorbent precursor that step (A) obtains is poured in described aqueous sodium bromide and carries out dip treating 16-24h, (C), by after the fly ash absorbent precursor of step (B) dip treating puts into vacuum drying oven drying treatment 10-20h, fly ash absorbent is obtained.
(2) biological deodorant process: introduced in biological deodorization tank by water in fly ash absorbent process, Xiang Chizhong adds biological deodorant, biological deodorant adds weight and middle water weight ratio is routine between 0.1-0.8:100, and the treatment time is 3-5 days; The microbial strains of described biological deodorant consists of: Lactobacterium acidophilum 10
6-10
9individual/mL, bacillus pumilus 10
6-10
9individual/mL, subtilis 10
6-10
9individual/mL, Pseudomonas fluorescens 10
5-10
7individual/mL, Rhodopseudomonas palustris 10
5-10
7individual/mL, class figure British mold 10
4-10
6individual/mL, candida inconspicua bacterium 10
4-10
6individual/mL, expansion mould 10
4-10
6individual/mL, Rhizopus oryzae 10
4-10
6individual/mL, viride 10
4-10
6individual/mL, streptomyces microflavus 10
4-10
6individual/mL and streptomyces griseus 10
4-10
6individual/mL.
(3) biological cleanser process: water in biological deodorant process is introduced in biological purifying tank, Xiang Chizhong adds biological cleanser, biological cleanser adds weight and middle water weight ratio is routine between 0.8-6.8:100, treatment time is 5-9 days, and adjustment aeration condition makes the amount of the dissolved oxygen in middle water be 3-4mg/L; Bacterial classification in described biological cleanser comprises Rhodopseudomonas rutila, Streptomyces jingyangensis, and streptococcus acidi lactici, and the substratum of described bacterial classification is made up of the component of following masses ratio: brown sugar 5-6%, yeast powder 1-2%, and surplus is water.
(4) modified mordenite adsorption treatment: use water in biological cleanser process lift pump be delivered to be positioned at the adsorption tower water-in bottom adsorption tower after filtering, adsorption tower is filled with nonwoven layer from the bottom up successively, quartz sand layer and modified zeolite layer, wherein, the thickness of nonwoven layer is between 2-20mm, the thickness ratio of quartz sand layer and modified zeolite layer is 1:0.5-0.8, the modification procedure of described modified mordenite is: by mordenite, kaolin, silicon magnesium glue, sesbania powder and phosphoric acid mix according to part by weight 60:30:30:20:20, then add water and be prepared into the slurries that solid content is 50-55%, slurries spray dried into powder form particle, then by powdered granule in retort furnace in 500-700 DEG C of roasting 3-5h, be then cooled to room temperature, obtain modified zeolite, water flows out from the adsorption tower water outlet being positioned at adsorption tower top, through pump delivery to aqua storage tank, is advanced treatment product water.
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| CN201510114472.4A CN104710079B (en) | 2014-02-20 | 2014-02-20 | A kind of applying modified modenite is processed the method for municipal middle water |
| CN201410057403.XA CN103755107B (en) | 2014-02-20 | 2014-02-20 | Urban recycled water deep-treatment method |
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| CN106115811A (en) * | 2016-07-29 | 2016-11-16 | 含山县科宇环境工程有限公司 | A kind of industrial sewage treating agent and preparation method |
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| CN104152378B (en) * | 2014-08-01 | 2017-01-11 | 河北协同环保科技股份有限公司 | Compound microbial agent for anaerobic digestion treatment of sludge and production method of compound microbial agent |
| CN104388348A (en) * | 2014-11-21 | 2015-03-04 | 上海寄绿生物环保科技有限公司 | Microbial preparation for purifying sewage and deodorizing garbage and preparation method thereof |
| CN105624072A (en) * | 2016-03-17 | 2016-06-01 | 中国科学院合肥物质科学研究院 | Active microbial agent for deodorizing livestock and poultry feces and preparation method thereof |
| CN106430848B (en) * | 2016-11-18 | 2019-04-09 | 广州南大环保科技有限公司 | A kind of industrial sewage process method |
| CN106698640A (en) * | 2017-01-14 | 2017-05-24 | 冯志祥 | Wastewater deodorant and preparation method thereof |
| CN112980741A (en) * | 2021-04-22 | 2021-06-18 | 青海洁神环境科技股份有限公司 | Compound microbial agent for sewage treatment and preparation method and application thereof |
| CN115463645A (en) * | 2022-09-26 | 2022-12-13 | 江苏和合环保集团有限公司 | Solid waste deodorization adsorbent and preparation method thereof |
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| CN103755107B (en) | 2015-03-11 |
| CN104710079B (en) | 2016-05-25 |
| CN103755107A (en) | 2014-04-30 |
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