{"id":7076,"date":"2024-07-03T07:08:10","date_gmt":"2024-07-03T07:08:10","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7076"},"modified":"2026-04-28T10:42:30","modified_gmt":"2026-04-28T10:42:30","slug":"why-cant-dissolved-oxygen-be-too-high-in-wastewater-treatment","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/why-cant-dissolved-oxygen-be-too-high-in-wastewater-treatment\/","title":{"rendered":"Waarom kan opgeloste zuurstof niet te hoog zijn bij afvalwaterbehandeling?"},"content":{"rendered":"<h1>Waarom kan opgeloste zuurstof niet te hoog zijn bij afvalwaterbehandeling?<\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> A practical wastewater-treatment decision starts with defining the failure mode, then checks pH, COD, ammonia, sludge condition, and process interaction before changing chemistry or operation.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Het principe van een a\u00ebrobe zuivering is om het metabolisme van a\u00ebrobe micro-organismen te gebruiken om organische verontreinigingen in afvalwater om te zetten in onschadelijke kooldioxide en water en energie voor hun eigen voortbestaan, en zuurstof is noodzakelijk om de normale levensactiviteiten van micro-organismen in stand te houden. Dus hoe hoger de opgeloste zuurstof, hoe beter het effect van het a\u00ebrobe systeem?<\/p>\n<p>Voordat je deze vraag beantwoordt, moet je eerst het concept van voedsel- en microratio in een a\u00ebroob systeem begrijpen. Neem het veelgebruikte actiefslibsysteem als voorbeeld: de verhouding tussen de totale hoeveelheid BZV die dagelijks aan de beluchtingstank wordt toegevoerd en de totale hoeveelheid actief slib in de beluchtingstank is de verhouding tussen voedsel en micro-organismen (waarbij de toegevoerde BZV kan worden beschouwd als voedsel voor micro-organismen).<\/p>\n<p><strong>De formule voor het berekenen van de verhouding tussen voedsel en microben is als volgt:<\/strong><\/p>\n<p>F\/M=Q*BOD5\/(MLVSS*Va)<\/p>\n<p>F: Food staat voor voedsel, de hoeveelheid voedsel die het systeem binnenkomt (BZV)<\/p>\n<p>M: Micro-organisme staat voor de hoeveelheid actief materiaal (slibvolume)<\/p>\n<p>Q: watervolume, BOD5: de waarde van instromend BOD5<\/p>\n<p>MLVSS: concentratie actief slib<\/p>\n<p>Va: volume van beluchtingstank<\/p>\n<p>Gewoonlijk ligt het juiste bereik van voedsel- en micro-verhouding tussen 0,1-0,25kgBOD5\/kgMLSS.d. Een te hoge voedsel- en micro-verhouding geeft aan dat de micro-organismen te veel voedsel hebben en dat de beluchtingstank in een hoogbelaste toestand is, terwijl een te lage voedsel- en micro-verhouding betekent dat de beluchtingstank in een laagbelaste toestand is.<\/p>\n<p><strong>Als de micro-verhouding van voedsel te hoog en te laag is, wat zijn dan de resultaten?<\/strong><\/p>\n<p>1. Als de beluchtingstank zich in het juiste bereik van de voedselmicroverhouding bevindt, is de vlokstructuur van het actieve slib goed, zijn de bezinkingsprestaties goed en is het water helder en transparant;<\/p>\n<p>2. Wanneer de beluchtingstank in hoge voedsel micro-verhouding werking staat, zelfs overbelasting werking, als gevolg van overtollig voedsel, actief slib bezinking prestaties verslechtering, troebel water, afvalwater in de BOD is moeilijk om volledig te worden afgebroken;<\/p>\n<p>3. Als de beluchtingstank een lage microvoedingsverhouding heeft, kan het actieve slib door onvoldoende voedsel gemakkelijk verouderen.<\/p>\n<p>Langdurige werking met een lage voedingsmicroverhouding kan leiden tot uitvlokking van slib en zelfs tot uitbreiding van de filamenteuze bacteri\u00ebn in actief slib.<\/p>\n<p>Wanneer het verouderingsfenomeen van actief slib optreedt en de deflocculatie van slib veroorzaakt, zal de vlokstructuur van actief slib losser worden en zal het effluent veel fijne slibfragmenten bevatten, wat resulteert in een afname van de helderheid van het effluent en een verslechtering van de waterkwaliteit.<\/p>\n<p>Nadat we de microvoedingsratio hebben begrepen, kijken we naar de invloed van opgeloste zuurstof op het behandelingseffect.<\/p>\n<p>Als de beluchtingstank een hoge voedingsmicro-verhouding heeft, is het handhaven van een relatief hoge opgeloste zuurstof gunstig, wat de afbraaksnelheid van organisch materiaal in afvalwater kan versnellen.<\/p>\n<p>Wanneer de beluchtingstank in de lage staat van de voedsel micro- verhouding verrichting is, als nog handhaaf hoge opgeloste zuurstof, wegens voedseltekort, het geactiveerde slib endogene metabolisme zal bevorderen om het voorkomen van het geactiveerde slibflocculatiefenomeen te versnellen, dat is, gewoonlijk bedoeld als het fenomeen van overmatige blootstelling. Hoge opgeloste zuurstof zal versnellen het metabolisme van micro-organismen, kunt u een beeld van enkele voorbeelden, het is als een persoon, in het geval van niet eten genoeg voedsel, je ook laat hem hard werken, kan alleen maar versnellen zijn vorm van dunner, tot de ondergang.<\/p>\n<p>Daarom moet bij a\u00ebrobe systemen de controle van de opgeloste zuurstofconcentratie nauw samenhangen met de controle van de voedselmicroverhouding. Een hoge voedselmicroverhouding kan de hogere concentratie opgeloste zuurstof controleren en de effectieve afbraak van organische verontreinigingen bevorderen. Integendeel, als de voedselmicroverhouding onvoldoende is, moet de opgeloste zuurstofconcentratie relatief laag worden geregeld, de snelheid van het endogene metabolisme verminderen om slibveroudering en slibontvlokkingsfenomeen te voorkomen, maar ook het stroomverbruik verminderen en bedrijfskosten besparen. In de praktijk kunnen we de opgeloste zuurstof van de a\u00ebrobe tank regelen door de frequentie van de ventilator, de bedrijfstijd of de grootte van de luchtaflaatklep te regelen.<\/p>\n<h1>Afvalwaterzuivering in het principe van verdamping kristallisatie, proces kennis is wat?<\/h1>\n<p>In de chemische industrie, industri\u00eble productie-industrie verdamping, verdamping en concentratie, verdamping en kristallisatie zijn gemeenschappelijke processen, verdamping en kristallisatie is momenteel op grotere schaal gebruikt in de industri\u00eble afvalwaterzuivering, het principe van verdamping en kristallisatie is wat?<\/p>\n<p><strong>Het verdampingsprincipe<\/strong><\/p>\n<p>Het principe van verdamping is om de oplossing die niet-vluchtige stoffen bevat kokende verdamping te maken, en uit de stoom te bewegen, zodat de concentratie van stoffen in de oplossing om de werking van de eenheid te verhogen, verdamping operaties worden veel gebruikt in de chemische industrie, petrochemische industrie, verdamping kristallisatie, verdamping en concentratie is een gemeenschappelijk type proces.<\/p>\n<p><strong>Het principe van verdampingskristallisatie<\/strong><\/p>\n<p>Verdamping kristallisatie is door het proces van verdamping, met de vervluchtiging van het oplosmiddel, de oorspronkelijke onverzadigde oplossing geleidelijk verzadigde oplossing, verzadigde oplossing en dan geleidelijk oververzadigde oplossing, dan is de vaste stof zal beginnen te neerslaan uit de oververzadigde oplossing. Veel opgeloste stoffen kunnen worden neergeslagen in de vorm van kristallen (ook in de vorm van amorfe neerslag), wat het kristallisatieproces is.<\/p>\n<p>Bij verdampingsbewerkingen wordt verdampingskristallisatie uitgevoerd om het oplosmiddel te verwijderen, de oplossing tot verzadiging te brengen en deze vervolgens te verhitten of af te koelen om een vast product te laten neerslaan om een vaste stof te verkrijgen.<\/p>\n<p><strong>Hoe verdamping kristallisatie werkt<\/strong><\/p>\n<p>Verdamping kristallisatie operatie, de behoefte aan een constante toevoer van warmte-energie, de warmtebron gebruikt in de industrie is meestal waterdamp, en verdamping van het grootste deel van het materiaal is een waterige oplossing, verdamping van stoom wordt ook geproduceerd door waterdamp, om gemakkelijk onderscheid te maken tussen de eerste heet verwarming stoom of ruwe stoom, de laatste staat bekend als de secundaire stoom.<\/p>\n<p>Neem verdamping kristallisatie, de werking modus heeft: atmosferische druk, druk, decompressie (vacu\u00fcm) verdamping.<\/p>\n<p><strong>Verdamping kristallisatieproces<\/strong><\/p>\n<p>In het proces van verdampende kristallisatie wordt gewoonlijk de flitsverdamping (flash evaporatie) gebruikt: dit is een speciale decompressieverdamping, de druk van de hete oplossing wordt verlaagd tot een lagere druk dan de verzadigingsdruk bij de temperatuur van de oplossing, dan wordt een deel van het water gekookt op het moment dat de druk wordt verlaagd om te verdampen. Het voordeel van flashverdamping is dat er geen kalklaag op het warmteoverdrachtsoppervlak ontstaat, flashverdamping hoeft niet verwarmd te worden, de warmte komt van hun eigen uitscheiding van voelbare warmte.<\/p>\n<p>Warmtepompverdamping is ook een van de verdamping kristallisatieproces, verhoging van de druk en temperatuur van de secundaire stoom, hergebruikt als verdamping van de verwarmingsstoom, genaamd warmtepompverdamping of stoomrecompressie verdamping.<\/p>\n<p>Bij warmtepompverdamping wordt een deel van de hoogwaardige energie (mechanische energie, elektrische energie) of thermische energie van hoge temperatuur verbruikt ten koste van de thermische cyclus, de warmte wordt overgedragen van het object met lage temperatuur naar het object met hoge temperatuur van het apparaat voor energiegebruik.<\/p>\n<p>Bij het verdampingskristallisatieproces moeten we ook overwegen hoe we de juiste verdampingskristallisatieapparatuur kiezen.<\/p>\n<p><strong>Hoe de juiste verdampingskristallisatieapparatuur te selecteren<\/strong><\/p>\n<p>Afhankelijk van de situatie wordt voor de verdamping van zouten de voorkeur gegeven aan een verdamper met geforceerde circulatie. Als de zoutconcentratie laag is, kan de verdamper met vallende film vooraan + verdamper met geforceerde circulatie ook worden gebruikt om de werking en de initi\u00eble investering te beperken. Voor de verdamping van andere niet-zouttypes wordt de voorkeur gegeven aan de vallende-verdamper.<\/p>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 667.52pt;\" border=\"0\" width=\"890\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 63.00pt;\">\n<td class=\"et3\" style=\"height: 63pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"84\"><strong>Fosfonaten Antiscalants, corrosieremmers en chelaatvormers<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/nl\/products\/atmp-cas-6419-19-8\/\">Amino Trimethyleen Fosfonzuur (ATMP)<\/a><\/span><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 6419-19-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/nl\/products\/hedp-cas-2809-21-4-2\/\">1-Hydroxy Ethylideen-1,1-Difosfonzuur (HEDP)<\/a><\/span><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 2809-21-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/edtmpa-solid-cas-1429-50-1\/\"><span style=\"color: #00ccff;\">Ethyleendiaminetetra (methyleenfosfonzuur) EDTMPA (vast)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 1429-50-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/dtpmpa-cas-15827-60-8\/\"><span style=\"color: #00ccff;\">Diethyleen Triamine Penta (methyleen fosfonzuur) (DTPMPA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 15827-60-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/pbtc-cas-37971-36-1\/\"><span style=\"color: #00ccff;\">2-Fosfonobutaan -1,2,4-tricarbonzuur (PBTC)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 37971-36-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/hpaa-cas-23783-26-8\/\"><span style=\"color: #00ccff;\">2-Hydroxy Fosfoazijnzuur (HPAA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 23783-26-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/hmdtmpa-cas-23605-74-5\/\"><span style=\"color: #00ccff;\">HexaMethyleenDiamineTetra (methyleenfosfonzuur) HMDTMPA<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 23605-74-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Polyamino Polyether Methyleen Fosfonzuur (PAPEMP)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\"><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/bhmtpmp-cas-34690-00-1\/\"><span style=\"color: #00ccff;\">Bis(HexaMethyleen Triamine Penta (Methyleen Fosfonzuur)) BHMTPMP<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 34690-00-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/hempa-cas-5995-42-6\/\"><span style=\"color: #00ccff;\">Hydroxyethylamino-Di(Methyleen Fosfonzuur) (HEMPA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 5995-42-6<\/td>\n<\/tr>\n<tr style=\"height: 15.75pt;\">\n<td class=\"et3\" style=\"height: 15.75pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"21\"><strong>Zouten van fosfonaten<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/atmp-na4-cas-20592-85-2\/\"><span style=\"color: #00ccff;\">Tetra-natriumzout van aminotrimethyleenfosfonzuur (ATMP-Na4)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 20592-85-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/atmp-na5-cas-2235-43-0\/\"><span style=\"color: #00ccff;\">Pentanatriumzout van aminotrimethyleenfosfonzuur (ATMP-Na5)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 2235-43-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/hedp-na-cas-29329-71-3\/\"><span style=\"color: #00ccff;\">Mononatrium van 1-Hydroxy Ethylideen-1,1-Difosfonzuur (HEDP-Na)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 29329-71-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/hedp-na2-cas-7414-83-7\/\"><span style=\"color: #00ccff;\">\u00a0(HEDP-Na2)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 7414-83-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Tetra Natriumzout van 1-Hydroxy Ethylideen-1,1-Difosfonzuur (HEDP-Na4)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 3794-83-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Kaliumzout van 1-Hydroxy Ethylideen-1,1-Difosfonzuur (HEDP-K2)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 21089-06-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Ethyleen Diamine Tetra (Methyleen Fosfonzuur) Pentanatriumzout (EDTMP-Na5)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 7651-99-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Hepta natriumzout van diethyleentriamine penta (methyleenfosfonzuur) (DTPMP-Na7)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 68155-78-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Natriumzout van diethyleentriaminepenta (methyleenfosfonzuur) (DTPMP-Na2)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 22042-96-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">2-Fosfonobutaan -1,2,4-tricarbonzuur, natriumzout (PBTC-Na4)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 40372-66-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Kaliumzout van hexaMethyleenDiamineTetra (methyleenfosfonzuur) HMDTMPA-K6<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 53473-28-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Gedeeltelijk geneutraliseerd natriumzout van bishexamethyleentriamine penta (methyleenfosfonzuur) BHMTPH-PN(Na2)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 35657-77-3<\/td>\n<\/tr>\n<tr style=\"height: 31.50pt;\">\n<td class=\"et3\" style=\"height: 31.5pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"42\"><strong>Polycarboxylhoudend antiscalant en dispergeermiddel<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Polyacrylzuur (PAA) 50% 63%<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 9003-01-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Polyacrylzuur natriumzout (PAAS) 45% 90%<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 9003-04-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/hpma-cas-26099-09-2\/\"><span style=\"color: #00ccff;\">Gehydroliseerd polymale\u00efnezuuranhydride (HPMA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 26099-09-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Copolymeer van Male\u00efnezuur en Acrylzuur (MA\/AA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 26677-99-6<\/td>\n<\/tr>\n<tr style=\"height: 17.00pt;\">\n<td class=\"et5\" style=\"height: 17.00pt;\" height=\"22\">Acrylzuur-2-acrylamido-2-methylpropaan-sulfonzuur copolymeer (AA\/AMPS)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 40623-75-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">TH-164 Fosfinocarbonzuur (PCA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 71050-62-9<\/td>\n<\/tr>\n<tr style=\"height: 31.50pt;\">\n<td class=\"et3\" style=\"height: 31.5pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"42\"><strong>Biologisch afbreekbaar antiscalant en dispergeermiddel<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 54.00pt;\" rowspan=\"2\" height=\"72\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/pesa-cas-51274-37-4109578-44-1\/\"><span style=\"color: #00ccff;\">Natrium van polyepoxysuccinezuur (PESA)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 51274-37-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 109578-44-1<\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 54.00pt;\" rowspan=\"2\" height=\"72\"><a href=\"https:\/\/longchangchemical.com\/nl\/products\/pasp-cas-181828-06-8-35608-40-6\/\"><span style=\"color: #00ccff;\">Natriumzout van polyasparaginezuur (PASP)<\/span><\/a><\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 181828-06-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 35608-40-6<\/td>\n<\/tr>\n<tr style=\"height: 27.00pt;\">\n<td class=\"et3\" style=\"height: 27pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"36\"><strong>Biocide en algicide<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 67.50pt;\" rowspan=\"3\" height=\"90\">Benzalkoniumchloride (Dodecyl Dimethyl Benzylammoniumchloride)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 8001-54-5,<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 63449-41-2,<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 139-07-1<\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 81.00pt;\" rowspan=\"2\" height=\"108\">Isothiazolinonen<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 26172-55-4,<\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 2682-20-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Tetrakis(hydroxymethyl)fosfoniumsulfaat (THPS)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 55566-30-8<\/td>\n<\/tr>\n<tr style=\"height: 17.00pt;\">\n<td class=\"et5\" style=\"height: 17.00pt;\" height=\"22\">GLUTAARALDEHYDE<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 111-30-8<\/td>\n<\/tr>\n<tr style=\"height: 31.00pt;\">\n<td class=\"et3\" style=\"height: 31pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"41\"><strong>Corrosieremmers<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Natriumzout van tolyltriazool (TTA-Na)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 64665-57-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Tolyltriazool (TTA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 29385-43-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Natriumzout van 1,2,3-benzotriazool (BTA-Na)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 15217-42-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">1,2,3-benzotriazool (BTA)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 95-14-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Natriumzout van 2-Mercaptobenzothiazool (MBT-Na)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 2492-26-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">2-Mercaptobenzothiazool (MBT)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 149-30-4<\/td>\n<\/tr>\n<tr style=\"height: 15.75pt;\">\n<td class=\"et3\" style=\"height: 15.75pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"21\"><strong>Zuurstofvanger<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Cyclohexylamine<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 108-91-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Morfoline<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 110-91-8<\/td>\n<\/tr>\n<tr style=\"height: 15.75pt;\">\n<td class=\"et3\" style=\"height: 15.75pt; width: 667.5pt; text-align: center;\" colspan=\"2\" width=\"890\" height=\"21\"><strong>Andere<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Natrium Diethylhexyl Sulfosuccinaat<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 1639-66-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Acetylchloride<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 75-36-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">TH-GC groene chelaatvormer (glutaminezuur, N,N-diazijnzuur, natriumtetrazout)<\/td>\n<td class=\"et6\" style=\"width: 159.75pt;\" width=\"213\">CAS-nr. 51981-21-6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How technical buyers and operators usually evaluate wastewater-treatment issues<\/h2>\n<p>Most wastewater-treatment problems are system problems. Teams usually get a better result when they define the process stage and water-quality target first, then review biological, chemical, and operational factors together before making a plant-scale correction.<\/p>\n<ul>\n<li><strong>Start from the process stage:<\/strong> pretreatment, biological treatment, sludge handling, and polishing steps can point to very different root causes.<\/li>\n<li><strong>Check the core water-quality data together:<\/strong> pH, COD, nitrogen, salinity, sludge condition, and dissolved oxygen often need to be read as one picture.<\/li>\n<li><strong>Review compliance and operability at the same time:<\/strong> the quickest local fix can still be the wrong commercial move if it destabilizes another part of the plant.<\/li>\n<li><strong>Use pilot or staged validation where possible:<\/strong> wastewater systems often respond differently at scale than they do in simplified bench assumptions.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/cas-270586-78-2\/\">CHLUMINIT TMO<\/a>:<\/strong> A valuable comparison point when lower yellowing or TPO-replacement discussions matter.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/photoinitiator-cat-261-cas-32760-80-8\/\">CHLUMINIT 261<\/a>:<\/strong> A direct cationic-photoinitiator reference when cationic curing routes are being screened.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/hpma-monomer-cas-27813-02-1\/\">CHLUMICRYL HPMA<\/a>:<\/strong> Useful when more polarity and adhesion support are needed in the reactive package.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/agesindp-d2608r\/\">CHLUMICRYL DP-D2608R<\/a>:<\/strong> A direct dispersant reference for coating and ink formulation work.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why do many wastewater problems resist one-step fixes?<\/strong><br \/>Because the visible symptom is often created by several interacting process variables rather than one isolated cause.<\/p>\n<p><strong>Should operational changes be evaluated only by one output indicator?<\/strong><br \/>Usually no. A stable treatment decision should consider process balance, compliance, sludge behavior, and the effect on downstream steps as well.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>The process principle of aerobic treatment system is to utilize the metabolism of aerobic microorganisms to convert organic pollutants in wastewater into harmless carbon dioxide and water as well as<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[168],"tags":[],"class_list":["post-7076","post","type-post","status-publish","format-standard","hentry","category-water-treatment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why can&#039;t dissolved oxygen be too high in wastewater treatment? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The process principle of aerobic treatment system is to utilize the metabolism of aerobic microorganisms to convert organic pollutants in wastewater int...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/nl\/why-cant-dissolved-oxygen-be-too-high-in-wastewater-treatment\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why can&#039;t dissolved oxygen be too high in wastewater treatment? 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