Sodium acetate: Nyanzvi inosiyana-siyana mumunda wekurapa mvura
Mumunda wekurapa kwemvura, sodiumAcetate(inozivikanwawo se sodium acetate) inoita basa rakakosha nekuda kweiyo yakasarudzika makemikari zvimiro. Zvingave zviri mukugadzirisa pH yehutano hwemvura, kubvisa tsvina mumvura, kana kupa chikafu kune microorganisms, sodium acetate yakaratidza kushanda kwakasimba uye yakava mumiririri anokosha pakuchengetedza hutano hwemvura uye kucheneswa.
- Rongedza iyo pH kukosha kuti ugadzikaneAcid-base balance yehutano hwemvura
Iyo pH kukosha kwetsvina ine simba rakakura pane yese nzira yekurapa. Kana iyo pH yakakosha yakakwira zvakanyanya kana yakaderera, haingoshatise michina yekurapa chete asi zvakare inhibisa zvakanyanya kuita kwehutachiona, ichideredza zvakanyanya maitiro ekurapa. Sodium acetate, semunyu wehwaro hwakasimba uye asidi isina simba, inopinda hydrolysis mumvura: CH_3COO ^- + H_2O \rightleftharpoons CH_3COOH + OH^-, iyo OH^- ions inogadzirwa nehydrolysis inogona kuderedza acidic zvinhu mumvura, kunyatsogadzirisa kukosha kwepH yemvura yakasvibiswa kune chiyero che5. uye 8.5, kuisa nheyo yakagadzikana yezvinotevera kugadzirisa maitiro. Semuyenzaniso, kana uchirapa mvura yetsvina yemumaindasitiri, kuwedzera huwandu hwakakodzera hwesodium acetate inogona kukurumidza kuwedzera pH kukosha kwemvura yakaraswa, kudzivirira kukukurwa kwemidziyo nezvinhu zvine acidic, uye panguva imwechete inosimudzira metabolic kugona kwehutachiona mune inotevera biological kurapwa maitiro, nekudaro kuvandudza mashandiro ekurapa.
Chechipiri, ita seyepamusoro-soro kabhoni sosi yekufambisa kubviswa kwezvinosvibisa
Mune biological kurapwa maitiro seyakagadziriswa sludge process, kukura uye metabolism ye microorganisms haigone kuita pasina yakakwana kabhoni sosi. Nekudaro, marudzi mazhinji etsvina, kunyanya tsvina yemumadhorobha uye imwe mvura yetsvina yemumaindasitiri, ine yakaderera kabhoni sosi yemukati, iyo isingakwanise kuzadzisa zvinodiwa nema microorganisms, zvichikonzera kutadza kurapwa kwakadai sekubvisa nitrogen uye phosphorus. Sodium acetate, seyakaderera-molecular-uremu organic acid munyu iyo inoshandiswa nyore nyore netupukanana, inogona kukurumidza kuzadza kabhoni masosi ekudzivirira mabhakitiriya. Denitrifying mabhakitiriya anoshandisa iyo kabhoni element mu sodium acetate yemetabolism, kushandura nitrate nitrogen mumvura yakaraswa kuita nitrogen gasi kuti ibudise, inobudirira kubviswa kwenitrogen. Munguva ye denitrification process, tupukanana tunokurumidza kutora uye kushandisa sodium acetate. Kuburikidza neiyo buffering mhedzisiro, kuwedzera kwepH kukosha panguva yekuita kunogona kudzorwa mukati me 0.5, kuchengetedza kugadzikana kweiyo microbial nharaunda yekugara, kuve nechokwadi kufambira mberi kwakanaka kweiyo denitrification reaction, uye nekudaro kubvisa zvinosvibisa zvakaita senitrogen nephosphorus kubva mumvura ine tsvina, zvichiita kuti hunyoro hwemvura husangane nemitemo yekubuda. Parizvino, kuti isangane neiyo yekutanga-level yekuburitsa zviyero, akawanda ekuchenesa tsvina mumaguta nematunhu anowanzo sarudza sodium acetate seimwe kabhoni sosi.
Chechitatu, kunatsiridza mashandiro edhaka uye kuwedzera mashandiro ekurapa
Kurapa kwetsvina inogadzirwa panguva yekuchenesa tsvina kwakakosha zvakaenzana.Sodium acetateinogona kusangana nemakemikari maayoni mumatope, kugadzira munyu usinganyungudika, kuwedzera kuwanda kwedhaka uye kuita kuti zvive nyore kuti matope agadzikane. Zvichakadaro, inogona zvakare kusimudzira flocculation mhedzisiro yemicroorganisms mune sludge, ichiita sludge zvimedu zviunganidze pamwe chete uye kuve zvakanyanya compact, zvakanyanya kunatsiridza kuita kwemvura kwedhaka. Mushure mekurapwa ne sodium acetate, iyo sludge yakaderedza kushandiswa kwesimba mune inotevera yekubvisa uye kuraswa maitiro, uye mutengo wekurapa wakaderera zvakanyanya. Kushanda kwekushanda uye kugadzikana kwegadziriro yose yekuchenesa tsvina yakagadziridzwa zvinobudirira. Semuyenzaniso, panguva yedhaka rekudzikisa mvura, sludge pre-yakagadziriswa nesodium acetate ine hunyoro hwakadzikira, huchifambisa mashandiro anotevera ekurasa senge marara uye kupisa, uye kuderedza njodzi dzinogona kuitika kwezvakatipoteredza.
Chechina, bvisa simbi dzinorema kuti uve nechokwadi chekuchengetedzwa kwemvura
Mune mamwe matumbi emvura akasvibiswa neindasitiri, kazhinji mune heavy metal ions senge lead, cadmium uye mercury. Aya masimbi anorema haana kuoma chete kudzikisira zvakasikwa, asi zvakare kuunganidza mune zvipenyu, zvichiunza njodzi yakakura kuhutano hwevanhu uye nharaunda yezvakatipoteredza. Sodium acetate inogona kuita neaya heavy metal ions kuumba simbi acetate complexes, iyo inobva yawedzera kuita nealkali kuumba insoluble metal salt precipitates. Iyi precipitates inogona kubviswa kubva mumvura kuburikidza nekusefa uye dzimwe nzira, zvinobudirira kudzikisa inorema simbi yemukati mumvura uye kuve nechokwadi chekuchengetedzwa kwemvura yekunwa uye mvura yemumaindasitiri. Ichi chivakwa chekubvisa masimbi anorema chinoita kuti sodium acetate iite basa risingadzokerike muminda yekurasa tsvina mumaindasitiri uye kucheneswa kwemvura yekunwa.
Sodium acetateinobatanidza mabasa akawanda mumunda wekugadzirisa mvura. Nezvayakanakira zvakaita sekugadzirisa pH kukosha, kuwedzera kabhoni masosi, kuvandudza sludge kuita, uye kubvisa simbi inorema, inoshandiswa zvakanyanya mumamiriro ezvinhu akadai sekugezwa kwetsvina yemumaguta, kuchenesa mvura yetsvina mumaindasitiri, uye kucheneswa kwemvura yekunwa. Nekuwedzera kwakasimba kwekuchengetedza kwezvakatipoteredza zvinodiwa uye kuenderera mberi kwehunyanzvi hwekurapa mvura, sodium acetate inosungirwa kuratidza tarisiro yakakura yekushandisa mumunda wekurapa mvura mune ramangwana.