{"id":154486,"date":"2020-06-24T10:13:01","date_gmt":"2020-06-24T10:13:01","guid":{"rendered":"https:\/\/blog.hannaservice.eu\/testiranje-kvaliteta-bazenskih-voda-uloga-i-znacaj\/"},"modified":"2022-10-10T08:58:57","modified_gmt":"2022-10-10T08:58:57","slug":"testiranje-kvaliteta-bazenskih-voda-uloga-i-znacaj","status":"publish","type":"post","link":"https:\/\/blog.hannaservice.eu\/sr\/testiranje-kvaliteta-bazenskih-voda-uloga-i-znacaj\/","title":{"rendered":"Testiranje kvaliteta bazenskih voda \u2013 Uloga i zna\u010daj"},"content":{"rendered":"\t\t
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Testiranje kvaliteta bazenskih voda<\/strong><\/h1>\n

U tretmanu bazena, dezinfekcija ili sanitizacija su su\u0161tinskog zna\u010daja za osloba\u0111anje bazenske vode od bakterija i kontrolu organizama poput algi koji izazivaju smetnje u sistemima za dotok vode i filtraciju. Postoji nekoliko raspolo\u017eivih dezinfekcijskih jedinjenja, uklju\u010dujuc\u0301i sisteme za doziranje hlora, broma i ozona, od kojih je hlor naj\u010de\u0161c\u0301i.<\/p>\n

Hlor<\/h2>\n
\n

<\/p>\n

Test kompleti za testiranje kvaliteta bazenske vode<\/span><\/p>\n<\/div>\n

Hlor je sna\u017eno oksidaciono sredstvo koje uni\u0161tava organske zaga\u0111iva\u010de i bakterije. Hlor se kombinuje sa jedinjenjima koja sadr\u017ee azot kako bi se formiralali hloramini, koji c\u0301e se koristiti samo deo hlora, dok ostatak ostaje aktivan, nastavljajuc\u0301i dezinfekciju.<\/p>\n

Kombinovani hlor je koli\u010dina hlora koja se vec\u0301 reagovala sa jedinjenjima koja sadr\u017ee azot. Mnogo je manje efikasan kao dezinficijens nego slobodni hlor. Dodavanje kombinovanog hlora i slobodnog hlora \u010dini ukupni hlor. Rukovodilac kontrole kvaliteta bazenske vode trebalo bi da te\\i savr\u0161enom balansu gde su slobodan i ukupni hlor proporcionalno jednaki, i na taj na\u010din zadr\u017eati kombinovani nivo hlora blizu nule. Prisustvo hloramina je nepo\u017eeljno zbog karakteristi\u010dnog \u201emirisa na bazen\u201c, kao i iritacije o\u010diju i sluzoko\u017ee izazvane kombinovanim hlorom, poput dihloramina.<\/p>\n

Komercijalni hlor za dezinfekciju mo\u017ee biti dostupan u obliku gasa (Cl), te\u010dnog natrijum-hipohlorita ili izbeljiva\u010da (NaOCl) ili u \u010dvrstom stanju poput kalcijum-hipohlorita, hlorohidantoina ili jedinjenja hloroaurinske kiseline. Ova jedinjenja, jednom rastvorena u vodi, uspostavljaju ravnote\u017eu izme\u0111u hipohlorne kiseline (HOCl) i hipohloritnih jona (OCl\u00af). Iako se oba oblika smatraju slobodnim hlorom, hipohlorna kiselina obezbe\u0111uje najja\u010de dezinfekcione i oksidacione karakteristike rastvora hlora. Koli\u010dina hipohlorne kiseline u hlorovanoj vodi zavisi od pH vrednosti rastvora. Promene pH vrednosti c\u0301e uticati na ravnote\u017eu HOCl u odnosu na jone vodonika i hipohlorita.<\/p>\n

<\/p>\n

Kao \u0161to je prikazano na grafikonu, HOCl opada, a OCl\u00af raste kako pH raste. Pri niskom pH skoro sav slobodni hlor je u molekularnom obliku HOCl, a pri pH od oko 7,5, odnos HOCI i OCl\u00af je 50:50. Po\u0161to je jonski oblik OCl\u00af sredstvo za usporavanje delovanja, a molekulski HOCl je brzo delujuc\u0301i, va\u017eno je redovno meriti pH. Prema op\u0161tem pravilu preporu\u010duje se pH od oko 7,2 za odr\u017eavanje uslova dezinfekcije brzog delovanja.<\/p>\n

Idealne koncentracije hlora variraju u zavisnosti od uslova u bazenu. Hlor se \u201clomi\u201d kada se izla\u017ee UV zra\u010denju. Kako bi se stabilisao hlor u prisustvu UV zraka, \u010desto je potrebno dodati cijanuri\u010dnu kiselinu, kada je re\u010d o spolja\u0161njim bazenima (otvorenim). Me\u0111utim, visoki nivo cijanuri\u010dne kiseline tako\u0111e mo\u017ee sniziti sanitarnu moc\u0301 hlora.<\/p>\n

Brom<\/h2>\n

<\/p>\n

U mnogim zemljama je sanitizacija brom je uvedena kao alternativa hloru, iako nije toliko jaka. Prednost broma le\u017ei u njegovoj stabilnosti na vi\u0161im temperaturama (pogodno za grejane bazene i jacuzzi kade), kao i njegovoj odr\u017eanoj moc\u0301i dezinfekcije pri vec\u0301im pH. \u0160tavi\u0161e, izme\u0111u broma i azotnih jedinjenja postoji vrlo malo reakcija, a neprijatni mirisi i probleme sa iritacijom oka se re\u0111e javljaju. Glavni nedostatak broma je sporija dezinfekciona snaga, \u0161to ga \u010dini manje pogodnim za vec\u0301e bazene.<\/p>\n

Ozon<\/h2>\n

Ozon je veoma sna\u017eno oksidaciono sredstvo koje uni\u0161tava organska jedinjenja koja te\u0161ko oksiduju. Omoguc\u0301uje upravitelju bazena da vrlo efikasno uklanja kombinovani hlor bez \u010destog osve\u017eavanja velikih koli\u010dina vode iz bazena. Do trenutka kada voda pro\u0111e kroz filter jedinice, ozon je vec\u0301 zavr\u0161io sanitizaciju, a na njega ne uti\u010de nivo pH.<\/p>\n

Uglavnom zbog svoje sna\u017ene oksidacijske moc\u0301i povratna voda mo\u017ee sadr\u017eati koncentracije ozona u tragovima. Neophodno je znati da je ozon veoma nestabilan, pa da bi se osigurala potpuna sanitizacija vode, hloriranje niskog nivoa ostaje neophodno.<\/p>\n

Kalcijum<\/h2>\n
\n

<\/p>\n

Checker\u2122 za kalcijumovu tvrdo\u0107u<\/p>\n<\/div>\n

Po\u017eeljno je prisustvo kalcijuma u \u200b\u200bsistemu kako bi se obezbedilo estiranje na mestima gde je temperatura relativno visoka, kao \u0161to u bojlerima i cevima za transport tople vode. Stvaranje kamenca se mora izbegavati jer smanjuje prenos toplote kao i kapacitet pumpe i uzrokuje zamuc\u0301enost u vodi.<\/p>\n

Preporu\u010duje se odr\u017eavanje vrednosti tvrdoc\u0301e kalcijuma u \u200b\u200bopsegu od 200 do 400 ppm kao kalcijum karbonat (CaCO\u2083).<\/p>\n

<\/h2>\n

Alkalnost<\/h2>\n
\n

\"HI775-CheckerHC-Open-Angle_detail\"<\/p>\n

HI775 Checker\u00ae za alkalnost<\/p>\n<\/div>\n

Alkalnost je mera ukupne koncentracije alkalnih supstanci, uglavnom bikarbonata, rastvorenih u vodi. \u0160to je vec\u0301a alkalnost, otpornija je voda na promene pH. Istovremeno, visoko alkalna voda glavni je doprinos pojavi problema prouzrokovanih kamencem kao \u0161to su inkrustacija u filtracijskoj opremi, pumpama i cevovodima.<\/p>\n

Preporu\u010duje se odr\u017eavanje vrednosti alkalnosti u opsegu od 80 do 125 ppm kao kalcijum karbonat (CaCO\u2083).<\/p>\n

 <\/p>\n

pH<\/h2>\n
\n

<\/p>\n

HALO Bluetooth be\u017ei\u010dni pH metar<\/p>\n<\/div>\n

pH vode va\u017ean je faktor jer se pri ni\u017eim nivoima pH brzina korozije povec\u0301ava. Ako su vrednosti alkalnosti dovoljno visoke, nec\u0301e biti te\u0161ko kontrolisati pH. Vec\u0301ina rukovodilaca bazena radije dr\u017ei pH izme\u0111u 7,2 i 7,4 kako bi najbolje odr\u017eali niske stope korozije i dovoljnu aktivnost hlora.<\/p>\n

Temperatura<\/strong><\/p>\n

Mikroorganizmi br\u017ee rastu na vi\u0161im temperaturama, tako da je potreban nivo sanitacije bazenske ili SPA vode u velikoj meri zavisan od temperature vode; ovo se posebno odnosi na grejane bazene i banje. Op\u0161te pravilo je da se za svako povec\u0301anje temperature vode od preko 5 \u00b0 C za 5,5 \u00b0 C koncentracija potrebnog sredstva za dezinfekciju udvostru\u010di.<\/p>\n

ORP (Redoks potencijal)<\/h2>\n

Dok je slobodni hlor mera koli\u010dine dostupnog hlora koji se nalazi u bazenskoj vodi, druga svojstva vode mogu uticati na sposobnost hlora da pravilno dezinfikuje. Dovoljna koncentracija slobodnog hlora mo\u017ee biti prisutna u rastvoru, ali na osnovu odre\u0111enih svojstava mo\u017eda nec\u0301e biti efikasan dezificijens. Oksido-redukcioni potencijal (ORP) direktno meri koliko je jak oksidacioni potencijal u rastvoru i na taj na\u010din odre\u0111uje efikasnost sanitizacije. Dva bazena s istom koncentracijom slobodnog hlora mogu imati potpuno razli\u010dite ORP vrednosti na osnovu pH, koncentracije cijjanuri\u010dne kiseline i temperature. Stoga je ORP najbolji pokazatelj efikasnosti sanitizacije bazena ili SPA voda. Iako optimalne koncentracije variraju u zavisnosti od tipa sredstva za dezinfekciju, nivo ORP treba da se odr\u017ei iznad 650 mV u bazenenskim vodama tretiranim hlorom, bromom ili jodom.<\/p>\n

 <\/p>\n

The Water Balance and Langelier Index<\/h2>\n

<\/p>\n

Karakteristike vode u bazenu moraju se odr\u017eavati u uravnote\u017eenom stanju kako bi se izbegli brojni problemi. Merenje odre\u0111enih promenljivih je izuzetno va\u017eno da se predvidi da li je voda korozivna ili c\u0301e prouzrokovati pojavu kamenca.<\/p>\n

Indeks zasic\u0301enosti koji je razvio dr. Vilfred Langelier \u0161iroko se koristi za predvi\u0111anje ravnote\u017ee vode u bazenu. Predstavlja procenu sposobnosti rastvora da rastvara ili talo\u017ei naslage kalcijum-karbonata. Po\u017eeljno je da se odre\u0111eni nivo taloga izoluje u cevima i bojlerima od kontakta sa vodom. Kada se ne formira za\u0161titni sloj, voda se smatra korozivnom. S druge strane, previ\u0161e taloga mo\u017ee prerasti u skaliranje i inkrustaciju cevi. Prilikom tretmana i nadzora vode u bazenu, upravnik bazena mora osigurati da se parametri poput alkalnosti, tvrdoc\u0301e i pH pa\u017eljivo prate pored saniranja hemikalija.<\/p>\n

Langelier-ov indeks je moc\u0301an alat za izra\u010dunavanje vodenog bilansa i predvi\u0111anje problema sa korozijom ili skaliranjem. Teoretski, LI vrednosti nula ukazuje na savr\u0161ene uslove vode za bazene. ako LI>0, prisutna je pojava kamenca i ako je LI<0 voda je korozivna i veoma iritiraju\u0107a. Odstupanja od \u00b10.4 su prihvatljiva.<\/p>\n

Langelier-ova formula:\u00a0LI = pH + TF + HF + AF \u2013 12.5<\/strong><\/p>\n

Gde je:<\/p>\n

LI = Langelier-ov Indeks (takodje poznat i kao indeks saturacije)<\/strong><\/p>\n

pH = pH vode<\/strong><\/p>\n

TF = temperaturni faktor<\/strong><\/p>\n

HF = faktor tvrdo\u0107e, log (Ca tvrdo\u0107a, ppm kao CaCO)<\/strong><\/p>\n

AF = faktor alkalnosti, log (alkalnost, ppm kao CaCO)<\/strong><\/p>\n

Kako biste izra\u010dunali ta\u010dan Langelier indeks vode, koristite\u00a0referentne tablice indeksa vode.<\/strong><\/p>\n

Za ve\u0107inu bazena, voda je balansirana ako:<\/p>\n

\u2022 Vrednost pH se odr\u017eava unutar preporu\u010denih raspona pH 7. 2 \u2013 7. 6<\/p>\n

\u2022 U idealnom slu\u010daju, alkalnost treba da se odr\u017eava u rasponu od 80 \u2013 125 ppm<\/p>\n

\u2022 Tvrdoc\u0301a kalcijuma treba da se odr\u017eava u rasponu od 200 do 400 ppm.<\/p>\n

Da biste izra\u010dunali vodeni bilans, potrebno je izmeriti tri parametra; tvrdoc\u0301u, alkalnost kalcijuma i pH. Prona\u0111ite faktor tvrdoc\u0301e i alkalnosti u referentnim tabelama.<\/p>\n

Temperatura vode se, uglavnom, odr\u017eava izme\u0111u 24 \u00b0 C i 34 \u00b0 C. Pod pretpostavkom da se temperatura odr\u017eava u tim granicama, mo\u017ee se koristiti prose\u010dna vrednost ili 0,7.<\/p>\n

<\/p>\n

<\/p>\n

\n

Multiparametarski fotometar za testiranje bazenskih i SPA voda<\/h2>\n

<\/p>\n

Navedeni parametri mogu se meriti s jednim instrumentom: HI83326 Fometometrom za bazene i SPA. Ovaj fotometar sadr\u017ei inovativni opti\u010dki sistem koji koristi LED, uskopojasne interferencijske filtere, fokusirajuc\u0301e so\u010divo i silicijumski fotodetektor za merenje apsorbancije i referentni detektor za odr\u017eavanje konzistentnog izvora svetlosti, osiguravajuc\u0301i ta\u010dna i ponovljiva fotometrijska o\u010ditavanja svaki put.<\/p>\n

BL121 kontroler za bazene i SPA<\/h2>\n

<\/p>\n

BL121, kontroler za bazene je kompletan sistem dizajniran za odr\u017eavanje kvaliteta vode i za dezinfekciju bazena i SPA centara. BL 121 je dostupan u 2 konfiguracije Osnovna verzija je in-line model koji omoguc\u0301ava direktnu ugradnju sondi i hemijskih injektora u postojec\u0301e cevovode. Druga verzija je verzija na plo\u010di sa bypass proto\u010dnom \u0107elijom. Bypass proto\u010dna \u0107elija omogu\u0107ava kalibraciju i odr\u017eavanje sonde bez ga\u0161enje recirkulacionih pumpi. Dodatne karakteristike BL121 uklju\u010duju LED indikatore za doziranje, status mera\u010da, prikaz grafikona u realnom vremenu, programibilne alarme i za\u0161titu lozinkom.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Testiranje kvaliteta bazenskih voda U tretmanu bazena, dezinfekcija ili sanitizacija su su\u0161tinskog zna\u010daja za osloba\u0111anje […]<\/p>\n","protected":false},"author":17,"featured_media":6138,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[369],"tags":[352],"class_list":["post-154486","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-voda","tag-bazeni"],"yoast_head":"\nTestiranje kvaliteta bazenskih voda \u2013 Uloga i zna\u010daj - 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