1.Iri chii chinonzi ammonia nitrogen?
Ammonia nitrogen inoreva Amonia muchimiro chemahara ambomoni (kana isiri-ionic ambomoni, nh3) kana ionic ammonia (NH4 +). Yakakwirira pH uye yakakwirira chikamu chemahara ambimea; Kusiyana neizvozvo, chikamu chevapi veAmmonium munyu wakakwira.
Ammonia nitrogen munhu anovaka mumvura, ayo anogona kutungamira kumvura eutropophiction, uye ndiyo okisijeni huru ichipedza kusvibiswa mumvura, iyo ine chepfu kune hove uye zvimwe zvisikwa zvemumvura.
Mhedzisiro huru yemamonia yeAmmonigen pamatanho ezvisikwa zvakasununguka Amoni Ammonia nitrogen ichinzi yakabatana neiyo ph kukosha uye tembiricha yemvura yemvura, kazhinji, iyo yakakwira iyo pH kukosha uye tembiricha yemvura, iyo yakasimba yehupfu.
Vaviri vanofungidzira sensitivity nzira dzerudzi runowanzojairwa kuona Ammonia ndidzo dzekare Nesser Reagent nzira uye iyo phenol-hypochlokite nzira. Zvitendero uye nzira dzemagetsi dzinowanzoshandiswawo kuona Ammonia; Kana iyo amonia nitrogen yezvinyorwa zvakakwira, nzira yekuwirirana ndiyo inogona kushandiswawo. (Nharaunda National Inosanganisira Nath's Reagent nzira, Salicylic acid spectrophotsetry, distillation - maitiro ekufungidzira)
2.Physical uye makemikari nitrogen kubvisa maitiro
① Cemical Spiripitation nzira
Nzira yekunyora yemakemikari, zvakare inozivikanwa semepu nzira uye yekuwedzera magnipitation nzira uye phosphichoric acid kana iyo nth4 + mumvura + uye iyo molecar Mggh4p04.6h20, kuitira kuti uwane chinangwa chekubvisa Ammonia nitrogen. Magnesium Amphate phosphate, inowanzozivikanwa seStruvite, inogona kushandiswa se compost, ivhu rinowedzera kana moto kudzoreredza zvigadzirwa zvekuvaka. Iyo yekugadzirisa equation iri seinotevera:
MG ++ NH4 + + PO4 - = MGNH4P04
Zvinhu zvikuru zvinokanganisa marapirwo ekurapa emakemikari pane pH kukosha, tembiricha, amburation, amburation nitrogen yekukasira uye mg +): n (nh4 +): n (nh4 +). Mhedzisiro yacho inoratidza kuti kana piyo pH Kukosha kuri gumi uye molar chiyeroium, nitrogen and phosphorous ndeye 1.2: 1: 1.2, maitiro ekurapa ari nani.
Using magnesium chloride and disodium hydrogen phosphate as precipitating agents, the results show that the treatment effect is better when the pH value is 9.5 and the molar ratio of magnesium, nitrogen and phosphorus is 1.2:1:1.
Mhedzisiro inoratidza kuti MGC12 + na3po4.12h20 yakakwirira kune mamwe maAgent musanganiswa. Kana iyo PH kukosha ndeye 10.0, tembiricha iri 30 ℃, n (mg +): n (nh4 +): N (p04 -) =
Nzira yemakemikari yekutanga uye yemvura membrane nzira yakasanganiswa kurapwa kweyekumisikidza yekunyora maindasitiridzo ambomon nitrogen marara. Pasi pemamiriro ezvinhu ekubhadhara maitiro ekusarudza, iyo yekubvisa yeAmmonion nitrogen yemifirimu yemafirimu yakaderedza Ammoni
Iyo yekubvisa mhedzisiro yesimbi yesimbi ion (ni +, mn +, cu +, fe +, fe ' Maitiro matsva eCACO4 Sportitation-mepu yakakurudzirwa yeAbmonium Sulfate Trustrates. Mhedzisiro yacho inoratidza kuti tsika dzechinyakare dzinogona kutsiviwa ne lime.
Kubodzwa kwemakemikari ekutanga ndekwekuti kana iko kusangana kweAmmonia nitrogen manyowa Kubviswa kwekubvisa kwemakemikari ekusarudza nzira iri nani, uye haina kuganhurirwa nekushisa, uye kuvhiya kuri nyore. Iyo yakasarudzika sludgetirate ine magnesium ambomhate inogona kushandiswa seyakawirirana fettizaje kuti uzive kuti marara: Saka gadzirisa chikamu chemutengo; Kana inogona kusanganiswa nemabhizimusi maindasitiri ayo anogadzira phosphate tambadza marara nemabhizimusi anoburitsa brine yemunyu, inogona kuchengetedza mari yemishonga uye inofambisa yakakura-chiyero chekushanda.
Iko kushushikana kwemakemikari ekusarudza nzira ndeyekuti nekuda kwekudzora kwechigadzirwa cheAmonium Maganium Maganium Maganium, mushure mekunge maAmoni. Naizvozvo, nzira yemakemikari inofanirwa kushandiswa mukubatanidzwa nedzimwe nzira yakakodzera kurapwa kwepamberi. Huwandu hwekuvandudza hwakashandiswa rakakura, iyo sludge yakagadzirwa yakakura, uye iyo kurapwa kwakakwirira. Iyo yekutanga ye chloride ions uye yakasara phosphorous panguva yekuita kwemakemikari inogona kukonzera kusvibiswa kwepasirese.
Wholesale Aluminium Sulfate Vagadziri neMutengesi | Inoshuva (Cnchemist.com)
Wholesale Dibasic Sodium Phosphate Mugadziri neMutengesi | Inoshuva (Cnchemist.com)
②Blow off nzira
Kubviswa kweAmmonia Nitrogen nzira ndeyekugadzirisa iyo nzira yekugadzirisa iyo kuAmoni Zvinhu zvikuru zvinokanganisa kugona kwekuputika pane ph kukosha, tembiricha, gasi-remvura ratio, gasi kuyerera chiyero, kutanga kwekusangana uye zvichingodaro. Parizvino, iyo nzira yekurova inoshandiswa zvakanyanya mukurapa kwemasere nemarara neyekuvimbika kweAmmonia nitrogen.
Kubviswa kweAmmonia nitrogen kubva kuLandfill Leachate neBlow-Off nzira yakadzidzwa. Izvo zvakawanikwa kuti zvinhu zvakakosha zvinodzora kugona kwekuputika-kwekubva kwaive tembiricha, gasi-remvura ratio uye ph kukosha. Kana tembiricha yemvura yakakura kupfuura 2590, iyo gasi-yemvura ratio ndeye 3500, uye iyo PH irikubvisa inopfuura 90% yeiyo Landfill Leachate neAmoni Mhedzisiro yacho inoratidza kuti kana ph = ph =
Iyo yekurova-kubva pakubata kwekushamwaridzana kwakanyanya Ammonia Nitrogen Whatwater yakaitwa nekuputika kwemukati-off tower. Mhedzisiro yacho yakaratidza kuti iyo yekurova-kubva pakubata-kwechiitiko yakawedzera nekuwedzera kwePP kukosha. Iyo yakakura iyo gasi-yemvura ratio ndeye, yakakura kwazvo kurira kweAmmonia ichirova misa misa kuendesa, uye kugona kurira zvinowedzerawo.
Kubviswa kweAmmonia nitrogen nekuputika nzira inoshanda, nyore kushanda uye nyore kudzora. Iyo Blown AMMONAGEN INTROGEN inogona kushandiswa seyakagwinya neSarufac acid, uye iyo yakagadzirwa Sulfutic acid mari inogona kushandiswa sefetiraiza. Nzira yekuputika inzira inowanzo shandiswa tekinoroji yekubvisa mumuviri uye nemakemikari nitrogen yekubvisa ikozvino. Nekudaro, iyo nzira yekurova ine zvimwe zvakashata, zvakadai sekusvirwa nekurova-off tower, low Ammonia nitrogen yekukurumidza kushanda kwekudziya kwekudziya, uye kusvibiswa kwechipiri kunokonzerwa nekurova gasi. Bhuroka-off nzira inowanzobatanidzwa neimwe ammonia nitrogen marara ekurapa nzira dzekurapa nzira dzekunyepedzera ambime nitrogen marara.
③Break Point Chlorination
Iyo Mechanism yeAmbonia Kubvisa nePreepy Point Kirlinini Icho Chlorine Gasi Kunoburitsa Gasi Pasina Kusagadzikana Gasi, uye N2 Kunopukunyuka mumhepo, kuita kuti nzvimbo yekuita irambe iri kure kurudyi. Iyo nzira yekugadzirisa ndeye:
Hocl nh4 + +,5 -> 0.5 N2 H20 H ++ CL - 1.5 + 2.5 + 1.5)
Kana chlorine gasi chichiendeswa kusango kune imwe nzvimbo, zvirimo zvevakasununguka chlorine mumvura zvakaderera, uye kugadzikana kweAmmonia ndi zero. Kana huwandu hweklorine gasi parinopfuudza pfungwa, huwandu hwechlorine yemahara mumvura zvichawedzera, iyo, iyo pfungwa yacho inonzi denderedzwa, uye iyo chlorini mune ino mamiriro inonzi kupaza pfungwa.
Iyo yekuzorora yeChidimbu Chlorination nzira inoshandiswa kurapa iyo yekukwevera marara mushure meAmmonia nitrogen ichivhuvhuta, uye maitiro ekurapa anokanganiswa zvakananga neyemambiringa ekutaridza. Kana 70% yemamonia nitrogen mumarara anobviswa nekuputika propeta uye akabata break Point Clornination. Zhang Shengli et al. Akatora simmonia nitrogen marara aine misa misa ye 100mg / l sekutsvagisa zvinhu, uye zvinhu zvepamusoro zvakakanganisa huwandu hwesodium yeklorine kuAmoni
Iyo break Point Chlorination nzira ine yakakwira nitrogen yekubvisa kugona, iyo chiyero chinogona kusvika 100%, uye iyo ambonisation yekuvhara mumarara inogona kuderedzwa kusvika zero. Mhedzisiro yacho yakasimba uye isina kukanganiswa nekushisa; Kushaya mari yekudyara, nekukurumidza uye kupedzisa mhinduro; Iyo ine mhedzisiro yekusvindwa uye kusawarira pane muviri wemvura. Chiyero chekushandiswa kwezororo reChidimbu Chlorination nzira ndeyekuti iyo yekuvhara yeAmmonia nitrogen mambakwedza isingashandiswi nzira yekukwira kwazvo kweAmmonia nitrogen marara. Chinhu chinodiwa chekushandisa chakachengeteka uye chengetedzo chakakwirira, mutengo wekurapa wakakwira, uye ne-zvigadzirwa chloramines uye maklorinated orgornins zvichakonzera kusvibiswa kwechipiri.
④catalytic oxidation nzira
Catalytic oxidation nzira iri kuburikidza nekuita kwekutengesa, pasi pekudzvinyirira uye nekumanikidzwa, kuburikidza nemhepo uye yakagadzirirwa zvinhu zvisina njodzi seCo2, N2 uye H2O, kuzadzisa chinangwa chekunatswa.
Izvi zvinhu zvinokanganisa mhedzisiro yeChialidic Okudication ndeyechiratidziro, tembiricha, nguva yekushisa, ph kukosha, Ammonia nitrogen yekumanikidza, kumanikidza, kumanikidza, zvichikonzera zvakanyanya.
Iyo yekushambadzira maitiro eOzonated ammonia nitrogen yakadzidzwa. Mhedzisiro yacho yakaratidza kuti kana ph kukosha kwakawedzera, rudzi rweh rwiyo rwakanyanya neakasimba oxidation kugona kwakagadzirwa, uye iyo qualidation rate yakanyanya kukwidziridzwa zvakanyanya. Zvidzidzo zvinoratidza kuti ozone inogona oxidize ammonia nitrogen kusvika nitrite uye nitrite yekuchengeta. Kuwedzeredza kweAmmonia nitrogen mumvura kunoderera nekuwedzera kwenguva, uye chiyero chekubvisa cheAmmonia nitrogen inenge 82%. Cuo-mn02-ce02 yakashandiswa seyakajaira inochinjisa kurapa Ammonia nitrogen marara. Mhedzisiro yekuyedza inoratidza kuti iyo oxidation chiitiko yeiyo nyonganiso yakagadzirirwa catalyst yakagadziridzwa zvakanyanya, uye mamiriro akakodzera ekuita 255 ℃, 4.2mpa uye ph = ph = 10.8. Mukubatwa kweAmbimoni Nitrogen Carwater ne1023MG / L, iyo yekubvisa yeAmmonigen inogona kusvika 98% mukati megumi neshanu (50mg / l) discharge standard.
Iyo yekuteedzera kuita kweiyo zelite inotsigirwa tio2 fotocatalyst yakafemerwa nekufunda mwero wekushongedza weAmmonia nitrogen mumhinduro muSulfuric acid. Mhedzisiro yacho inoratidza kuti iyo yakakwana dosage ye ti02 / zeolite Photocatalyst iri 1.5g / l uye nguva yekuita ndeye4h pasi pekupedzisira kurira. Chiyero chekubvisa cheAmmonia nitrogen kubva kune marara inogona kusvika 98.92%. Iko kubviswa kwemhedzisiro yesimbi yepamusoro uye nano-chin dioxide pasi peltraviolet chiedza pane phenol uye Ammonia nitrogen yakadzidzwa. Mhedzisiro yacho inoratidza kuti kureba kweAmmonigen ndeye 97.5% Kana PH = 9.0 inoiswa kune iyo ambomy nitrogen mhinduro ye50mg
Catalytic oxidation nzira ine zvakanakira kugona kwekunakirwa, maitiro akapusa, nzvimbo diki yepasi, etc., uye inowanzoshandiswa kurapa-concentration ammonia nitrogen marara. Iko kushandira kwekunyorera ndiko kudzivisa kurasikirwa kweCharityst uye Dziviriro yeCorrostion yemidziyo.
⑤anelectrochemical oxidation nzira
Electrochemical oxidation nzira inoreva nzira yekubvisa iyo pollutants mumvura nekushandisa electrooxidation neCatalytic chiitiko. Zvinokurudzirwa zvinhu zvinoitika zvazvino, inlet kuyerera chiyero, kunze nguva uye point solid nguva.
Electrochemical oxidation yeAmmonia-nitrogen marara mune kutenderera kweElectrolytic sero rakadzidzwa, uko kune yakanaka ii Mhedzisiro yacho inoratidza kuti kana iyo chloride ion is 400mg / l, iyo yekutanga Amonigent Zvinoratidza kuti electrolytic oxidation yeAmmonia-nitrogen marara ane tarisiro yakanaka yekushandisa.
3. Biochemical Nitrogen Kubvisa maitiro
①THELITATION YAKAITWA UYE KUDENGA
Wese-Proction nitrization uye kudengenyeka rudzi rwezvinhu zvoumbozha izvo zvakave zvinoshandiswa zvakanyanya kwenguva yakareba panguva ino. Inoshandura Ammonia nitrogen mumatare muNitrogen neyekutevera maitiro akadai sekutora uye kudengenyeka pasi pechiitiko zvakasiyana-siyana, kuitira kuti uwane chinangwa chekurapa kwemarara. Maitiro ekutandwa uye dentrization kubvisa ammonia nitrogen inoda kuenda kuburikidza nematanho maviri:
Nitration Reaction: Iyo nitration reaction inopedzwa neAerobic Autotrophic Mikanaorganisms. MuArobic State, Inorganic nitrogen inoshandiswa seiyo nitrogen tsime kushandura NH4 (, uye ipapo yave oxidized kusvika No3-. Maitiro ekutyisa anogona kukamurwa kuita matanho maviri. Muchikamu chechipiri, nitrite chinoshandurwa kuti chishandurwe (No3-) nekukasira mabhakitiriya, uye nitrite inoshandurwa kuti ive nitrate (No3-) nekukonzera mabhakitiriya.
Denitrization Reaction: Denitration reaction iyo iyo inogadzirisa mabhakitiriya kuderedza nitrite nitrogen nitrogen Dorish buttia ndeye heterotrophic microsorms, mazhinji ndeayo yemaphirictic bactia. Munyika ye hypoxia, vanoshandisa oksijeni muchiratidzo seyakaganhurika neyemagetsi uye organic zvinhu (chikamu chakabikwa mugungwa) seyemagetsi anopa simba nekuve oxidized uye kusemerwa.
Iyo yese nzira yekutandarira uye kudengenyeka kweinjiniya inoshanda inosanganisira AO, A2O, oxidation ditch
Iyo yakazara natrization uye kudengenyeka nzira ine zvakanakira zvigadzikiso, kushanda kwakareruka, pasina kusvibisa kwechipiri uye mutengo wakaderera. Iyi nzira zvakare ine zvimwe zvinokanganisa, senge carbon sosi inofanira kuwedzerwa apo iyo muC-nzi yakanyanya kuderera, uye zvimwe zvinodikanwa zvesimbi zvine simba pamusoro pehutachiona, icho chinoda kubviswa nguva yezvinhu zvoumbozha ichiitwa. Uye zvakare, kushushikana kwakanyanya kweAmmonia nitrogen mumvura ine marara zvakare ine inhibitory mhedzisiro pane iyo nitration. Naizvozvo, kutinyepedzera kunofanira kuitwa pamberi pekurapwa kusati kwarwiswa kwepamusoro ambonia nitrogen marara kuitira kuti kusvinudzwa kweAmmonia nitrogen marara pane isingasviki 500mg / l. Nzira yechinyakare yezvinhu yakakodzera kurapwa kwekurapa kwekusanzwisisika ambonia nitrogen marara ane basa renyama, senge seyakaganhurika, makemikari marara, nezvimwe.
Îsimultaneous nitration uye dentrization (SNG)
Kana nitrization uye kudengenyeka uye kudengenyeka pamwe chete mune imwecheteyo yekuondedzera, inonzi imwe chete yakafanana diestion dentrization (SNG). Iyo yakanyungudika oksijeni ine marara ane marara ekushayirwa lexygeny genygen neiyo microgent of the microgen yeiyo microbal floc kana biofilm inokonzeresa kukura uye nekupararira kweiyo aerobic inotumidzira mabhakitiriya uye kugadzirwa mabhakitiriya. Yakadzika muFloC kana membrane, iyo yakadzika yekuvharirwa kweiyo yakanyungudutswa oksijeni, zvichikonzera kuzora zone inogadzirisa mabhakitiriya. Saka kuumba imwe chete kugaya uye kudengenyeka. Zvinhu zvinokanganisa nguva imwe chete uye kudengenyeka kwakapfiridzwa pH Kukosha, tembiricha, alsalinity, organic carbon sosi, yakanyungudika oksijeni uye zera rakanyungudutswa.
Imwe neimwe nitrization / dentrification yakavapo muCanliusel oxidation ditch Kuumbwa uye huwandu hwekushandisa kweNitrate nitrogen muchiteshi chevanenge vakaenzana, uye zvinoratidza kuti maitiro ekutakura uye kudengenyeka kwakaitika panguva imwe chete mune carususel oxidation chiteshi.
Chidzidzo chekurapa kwenzvimbo dzepamba inoratidza kuti yakakwira iyo codcr, iyo yakawanda yakakwana kudengenyeka uye iri nani kubviswa kweTN. Mhedzisiro yeiyo oksijeni yakanyungudutswa pamusoro peiyo nguva yekutandarira uye kudengenyeka kwakanaka. Kana okisijeni yakanyungudutswa ichidzorwa ku0,5 ~ 2MG / L, iyo yakazara nitrogen kubvisa mhedzisiro yakanaka. Panguva imwecheteyo, iyo nzira yekureva uye yekudengenyeka inochengetedza iyo Recentor, ine nguva yakaderera, inochengetedza mari, uye iri nyore kuchengeta kukosha kwePP yakagadzikana.
Orgort-rate kugaya uye kudengenyeka
Muchiitiko chimwe chete, Ammonia oxidizing bactia inoshandiswa kune oxidize AMMONIZE mamiriro ezvinhu, uye ipapo nitrite zvakanyatsorongedzwa kuendesa nitrogen neyekaroni nyaya kana extron yeCarbon sosi seyemagetsi anopa pasi pe hypoxia mamiriro. Zvinhu zvekupesvedzera zvepfupi-mhando notrization uye kudengenyeka pane tembiricha, yemahara Ammonia, ph kukosha uye yakanyungudika oxygen.
Mhedzisiro ye tembiricha pane pfupi-mhando yekutandarira kweyunitional seage isina mvura yegungwa uye mvura yemvura ine mvura ine 30% yemvura yegungwa. Mhedzisiro yekuedza inoratidza kuti: Kune masango emvura asina mvura yemvura, achiwedzera tembiricha inokodzera kuwana pfupi-mhando notration. Kana chikamu chemvura yegungwa mune yegungwa iri mucherechedzo 30%, pfupi-yerudzi rwekugona kuitika inogona kuwanikwa zviri nani pasi pemamiriro ekushisa epakati. Delft University yeTekinoroji yakawedzera maitiro erombo, kushandiswa kwekushisa kweshure
Zvichienderana nemusiyano muokisijeni kubatana pakati peNitrite Bactia uye Nitrite Baratory yakawedzera kuunganidzwa kweNitrite Nitrogen yekudzora oksijasi yekubvisa Bacreria yeNitrite.
Iyo yekutyaira yekuedza kurapwa kweanoronga marara nepfupi uye kudengenyeka kwechirume, tn uye phenoli 197.141.2,2,181.5 uye 0.4mg / l, zvichiteerana. Iyo inoenderana inobvisa mitengo yaive 83.6%, 97.2%, 66.4% uye 99.6%, zvichiteerana.
Pfupi-kurongedza nitrization uye kudengenyeka maitiro haafambi nechiteshi chekutungamira, kuchengetedza carbon sosi inodiwa pakubviswa kwebhizimusi. Iyo ine zvimwe zvakanakira Ammonia nitrogen marara neakadzika c / n ratio. Pfupi-Range Nitrization uye Denment Nekudaro, ipfupi-mhando notrization uye kudengenyeka kunoda kuunganidzwa kwakagadzikana uye kusingaperi kwekuzivikanwa kweNitrite, saka maitiro ekunyorera zvinoitwa nehatsia yekukonzera mabhakitiriya anova kiyi.
④ Anaerobic Ammonia oxidation
Aaerobic ammoxidation yedanho rezvakananga oxidation yeAmmonia nitrogen neChitoro neHypoxia, ine nitrogen nitrogen kana nitrogen nitrogen kana nitrogen kana nitrogen nitrogen kana yechokwadi nitrogen solektor.
Mhedzisiro yekushisa uye pH pane iyo biological chiitiko yeAnammox yakadzidzwa. Mhedzisiro yacho yakaratidza kuti tembiricha yekugadzirisa yaive 30 ℃ uye pF kukosha kwaive 7.8. Iko kutadza kweAnaerobic ammox inogadzirisa yekubata yakakwirira salinity uye yakakwira nzvimbo nitrogen marara akadzidzwa. Mhedzisiro yacho yakaratidza kuti yakakwirira salinity yakanyanya kudziviswa Anammox chiitiko, uye iyi inhibition yakajairwa. Iyo Anaerobic Ammox chiitiko cheiyo isina kugadziriswa sludge yaive 67.5% yakaderera pane iyo yeiyo yekudzora sludge pasi pemunyu we30gl-1 (NAC1). Iyo Anammox chiitiko cheiyo yakakwenenzverwa sludge yaive 45.1% yakaderera pane iyo yekutonga. Kana iyo yakakwenenzverwa sludge yakachinjirwa kubva munzvimbo yakakwirira yemunharaunda yeyakaderera Nekudaro, iyo yekunetseka inotsanangurwa kushanda kuderera kana ichimhanya yakakwirira salinity kwenguva yakareba.
Kuenzaniswa neyechivanhu yezvinhu zvekuzvarwa, anaerobic ammox ndeyekuparadza kwehupfumi kweNegrogency isina imwe kabhoni kabhoni sosi, kushayiwa kwepfuma, hapana kudiwa kwemamwe kudzosera, uye kushoma kugadzirwa. Zvakaipa zveAnaerobic ammox ndedzekuti kumhanya kwekuita kunononoka, iyo yekunongedza vhoriyamu yakakura, uye ine kukosha kunoshanda kune kugadziriswa kweAmmoni
4.separation uye adsorption nitrogen kubvisa maitiro
► Membrane kupatsanurwa nzira
Iyo membrane kupatsanurana nzira ndeye kushandisa iyo yekusarudza kubvumidzwa kweiyo membrane yekusarudza inoparadzanisa zvikamu mumvura, kuitira kuti uwane chinangwa cheAmmonia Kubviswa kweAmoni Nitrogen. Kusanganisira reverse osmosis, Nanefiltration, deammoniating membrane uye electrodidalysis. Zvinhu zvinokanganisa kupatsanurana kwemepu ndeyeMembrane hunhu, dzvinyiriro kana voltage, ph kukosha, tembiricha neAmmonia nitrogen kusungwa.
Maererano nemhando yemvura yeAmmonia nitrogen marara akasvibiswa neanotarisa pasi svutugadzike, iyo osmosis bvunzo yakaitwa neNH4C1 uye naciimed trustrater. Izvo zvakawanikwa kuti mumamiriro ezvinhu akafanana, reverse osmosis ine huwandu hwakanyanya hweNaci, nepo Nhcl ane yakakwira mvura yekugadzira mvura. Iyo yekubvisa mwero weNH4C1 ndeye 77.3% mushure mekudzoreredzwa kweSoasmosis kurapwa, iyo inogona kushandiswa sekunyepedzera kweAmmonia nitrogen marara. Reverse Osmosis tekinoroji inogona kuponesa simba, kugadzikana kwakanaka kwekudyidzana, asi kurwisa kupesana, kusvibisa kuraswa kune varombo.
A Biochemical Nanofiltration Membrane Kupatsanurana kwaishandiswa kurapa iyo LandFill Leachate Ozturki et al. Kubatwa Landfill Leachate yeOdayeri muTurkey ne Nanefiltrate memerani, uye chiyero chekubvisa cheAmoni Nitrogen yaive anenge 72%. Nanofiltration membrane inoda kudzvinyirira kudzvinyirira pane kudzosera osmosis memerane, nyore kushanda.
Ammonia-inobvisa masangano emeperane inowanzoshandiswa pakurapa kwemarara neakakwirira Ammonia nitrogen. The ammonia nitrogen in the water has the following balance: NH4- +OH-= NH3+H2O in operation, the ammonia-containing wastewater flows in the shell of the membrane module, and the acid-absorbing liquid flows in the pipe of the membrane module. Kana iyo pH yemapango inowedzera kana tembiricha inosimuka, iyo yakaenzana ichamhanya kurudyi, uye iyo ammonium ion nh4- inova yemahara gaseous nh3. Panguva ino, gaseous nh3 inogona kupinda iyo acid yekukwira kwemvura muPombi kubva kugedhi yemvura mune iyo micropores fiber fiber, iyo inobatwa nemamiriro ekunze uye pakarepo anozoita Ionic nh4-. Chengetedza iyo PH yemutsi pamusoro 10, uye tembiricha iri pamusoro 35 ° C (pazasi 50 ° C), kuitira kuti iyo NH4 mune iyo NH4 mune iyo marara chikamu chichava nh3 kusvika kune yekukwenenzvera kwemvura inotama. Nekuda kweizvozvo, kusvinura kweAmmonia nitrogen pasango remvura rakadzikira nguva dzose. Iyo acid yekunyura kwemvura, nekuti kune chete acid uye nh4-, inoumba iyo yakachena kwazvo amonium munyu, uye inosvika pane imwe pfungwa mushure mekuenderera mberi kwekuenderera mberi, izvo zvinogona kudzoserwa. Kune rimwe danho, kushandisa tekinoroji iyi kunogona kunatsiridza zvakanyanya kuendeswa kweAmmonigen mumvura ine marara, uye kune rumwe rutivi, inogona kuderedza mutengo wakazara wekurapa wekurapa kurapwa kurapwa kurapwa kurapwa kurapwa kurapwa kurapwa kwerusimbe.
②electrodialsis nzira
Magetsi Pasi pechiito cheVoltage, Ammonia ion uye mamwe mazwi muAmoni-nitrogen White akafumiswa nemumvura mumvura ine mvura, kuti uwane chinangwa chekubviswa.
Iyo nzira dzeElectrodidialsis yakashandiswa kurapa inorganic yakasviba marara neyekuvimbika kweAmmonia nitrogen uye yakawana mibairo yakanaka. Kwe0000-3000MG / L Ammonia Nitrogen White Water Huwandu hwemagetsi hunopedzwa panguva yekushanda kweElectrodiallysis inoenderana nehuwandu hweAmmonia nitrogen mumvura mumarara. Electrodidalysis kurapwa kwemarara haina kugumira nePP kukosha, tembiricha uye kumanikidzwa, uye zviri nyore kushanda.
Zvakanakira kupatsanurana kwemamiriji ndiko kudzoreredzwa kwakanyanya kweAmmonia nitrogen, kushanda kwakareruka, kugadzikana kurapwa kwekurapa uye pasina kusvibisa kwechisere. Nekudaro, mukurapa kwepamusoro-soro ambure Nitrogen marara, mamwe membudzi iri nyore kuyera uye kuvhara, uye nekudzoreredza uye kudzedzereka kazhinji, kuwedzera kurapwa kwemutengo. Naizvozvo, iyi nzira yakakwana yekunyepedzera kana yakaderera-concentration Ammonia nitrogen marara.
③ ion exchange nzira
Ion kuchinjanisa nzira nzira yekubvisa ammonia nitrogen kubva kumarara nekushandisa zvigadzirwa zvine simba kusarudzika kweambiro yeAmmonion ion. Iyo inowanzo shandiswa adsorption zvigadzirwa zvakamiswa kabhoni, ZEOLITE, Montmemmorlonite uye kuchinjanisa resin. Zeolite rudzi rweSilikira Zvinhu zvinokanganisa marapirwo eClinptilolite zvinosanganisira size size, influxent Ammonia nitrogen yekuvhara, yekubata nguva, ph kukosha uye zvichingodaro.
Iyo adsorption yemhedzisiro yeEelite paAmbonia nitrogen iri pachena, ichiteverwa nekumusoro, uye mhedzisiro yevhu neCharirisite imomo. Nzira huru yekubvisa Ammonia nitrogen kubva kuZeolite is Ion Inonguter, uye iyo yekushambadzira yemuviri idiki kwazvo. Iyo Ion yekutsinhana mhedzisiro yeCerramite, ivhu uye ranite yakafanana neyekushambadzira kwenyama. Iyo yekuzvishambadza yekugona kwevakadzvanywa mafirita yakadzikira nekuwedzera kwekushisa kweiyo tembiricha mune iyo 15-35 ℃, uye yakawedzera nekuwedzera kwePP kukosha mune iyo ye3-9. Iyo AdSorption Equilibrium yakazosvika mushure me6h Oscilllation.
Kugona kwekubvisa Ammonia nitrogen kubva kuLandfill LeAcahate neZelite Adsorption yakadzidzwa. Mhedzisiro yekuedza inoratidza kuti gramu yezana rezhizha risina shambadza yegumi nemashanu Uye zvinogoneka kuti kuZeolite sechinhu chinhambadzi kubvisa Ammonia nitrogen kubva kune leachate. Panguva imwecheteyo, inotaurwa kuti mwero wekushambadzira weAmmonigen neZeolite akaderera, uye zvakaoma kuti Zeolite kuti asvike pakubata kwekushanda.
Iko kubviswa kwemhedzisiro ye biological zeolite mubhedha pa nitrogen, cod uye mamwe masollutants mune simudziro yemusha yemusha yakadzidzwa. Mhedzisiro yacho inoratidza kuti chiyero chekubvisa cheAmmonia neBiological Zeolite mubhedha unopfuura 95%, uye kubviswa kweNitrate nitrogen kwakakanganisika zvakanyanya neHydraulic nguva yekugara.
Iyo ION yekutsinhana nzira ine zvakanakira kudyara kudyara, zviri nyore maitiro, kushanda nyore, kusavimbika kune chepfu uye kushandiswa kweZelite nekuumbwa. Nekudaro, paunenge uchiita zvepamusoro-soro ambure ambomon
Wholesale 4a Zeolite Mugadziri neMutengesi | Inoshuva (Cnchemist.com)
Kutumira Nguva: Jul-10-2024
