{"id":7128,"date":"2024-07-19T06:29:28","date_gmt":"2024-07-19T06:29:28","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7128"},"modified":"2026-04-28T10:42:32","modified_gmt":"2026-04-28T10:42:32","slug":"wastewater-treatment-28-knowledge-points","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/de\/wastewater-treatment-28-knowledge-points\/","title":{"rendered":"Abwasserbehandlung 28 Wissenspunkte"},"content":{"rendered":"<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><strong>1. Feststoffe insgesamt:<\/strong> die quantitative Wasserproben in der 105 ~ 110 \u2103 Ofen kleine Trocknung auf konstantes Gewicht, das resultierende Gewicht:.<\/p>\n<p><strong>2. Stickstoffhaltige Verbindungen in Abw\u00e4ssern sind vier:<\/strong> organischer Stickstoff, Ammoniumstickstoff, Nitritstickstoff und Nitratstickstoff.<\/p>\n<p><strong>3. Kjeldahl-Stickstoff (KN) ist die Summe aus organischem Stickstoff und Ammoniakstickstoff:<\/strong> Kjeldahl-Stickstoff-Indikatoren k\u00f6nnen verwendet werden, um die Abw\u00e4sser in der biologischen Methode der Behandlung zu bestimmen, ist Stickstoff N\u00e4hrstoff ausreichende Grundlage.<\/p>\n<p><strong>4. Es gibt f\u00fcnf physikalische Formen von \u00d6len und Fetten in Abw\u00e4ssern:<\/strong><\/p>\n<p>\u2460 schwimmendes \u00d6l, statisches Wasser kann auf der Fl\u00fcssigkeitsoberfl\u00e4che schwimmen, die Bildung von \u00d6lfilm, was etwa 60% der Gesamtmenge des Fettes ~ 80%;<\/p>\n<p>\u2461 mechanisch dispergiert Zustand \u00d6l, \u00d6l-Partikel-Durchmesser gr\u00f6\u00dfer als 5\u03bcm, stabilere Dispersion in der Kanalisation, \u00d6l - Wasser-Schnittstelle zwischen dem Fehlen von Tensid;<\/p>\n<p>\u2462 emulgiertes \u00d6l, \u00d6l-Partikel-Durchmesser ist auch gro\u00dfe trockene 5\u03bcm, aber in der \u00d6l-Wasser-Grenzfl\u00e4che zwischen der Anwesenheit von Tensid, so stabiler;<\/p>\n<p>(iv) Adh\u00e4rentes \u00d6l, d.h. \u00d6l, das an der Oberfl\u00e4che von suspendierten Gruppen haftet;<\/p>\n<p>\u2464 Gel\u00f6stes \u00d6l, einschlie\u00dflich in Wasser gel\u00f6ster \u00d6lpartikel und \u00d6lk\u00fcgelchen mit einem Durchmesser von weniger als 5\u03bcm. \u2460, \u2461, \u2462, \u2463 Arten von \u00d6len und Fetten k\u00f6nnen durch physikalische Methoden wie \u00d6labscheidung, Luftflotation oder Sedimentation entfernt werden, und \u2464 Arten von \u00d6len k\u00f6nnen durch biologische Methode oder Luftflotation entfernt werden.<\/p>\n<p><strong>5. Coliformzahl (Coliformwert):<\/strong> ist die Anzahl der coliformen Bakterien, die in jedem Liter der Wasserprobe enthalten sind, ausgedr\u00fcckt in 1\/L.<\/p>\n<p><strong>6. Verschmutzung von Gew\u00e4ssern:<\/strong> bezieht sich auf die Anzahl der in den Wasserk\u00f6rper eingeleiteten Schadstoffe, die den Hintergrundgehalt und die \u00f6kologische Kapazit\u00e4t des Wasserk\u00f6rpers \u00fcbersteigen und zu Ver\u00e4nderungen der physikalischen, chemischen und mikrobiologischen Eigenschaften des Wassers f\u00fchren, so dass die dem Wasserk\u00f6rper innewohnenden \u00d6kosysteme und Funktionen beeintr\u00e4chtigt werden.<\/p>\n<p><strong>7. Kapazit\u00e4t der Wasserumwelt:<\/strong> unter der Bedingung, dass die Qualit\u00e4tsnormen f\u00fcr die Wasserumwelt eingehalten werden, die maximal zul\u00e4ssige Verschmutzungsbelastung des Wasserk\u00f6rpers, auch als Verschmutzungskapazit\u00e4t des Wasserk\u00f6rpers bezeichnet.<\/p>\n<p><strong>8. Die grundlegende Methode der Abwasserbehandlung:<\/strong> ist es, verschiedene Technologien und Mittel einzusetzen, um die im Abwasser enthaltenen Schadstoffe zu trennen und zu entfernen, sie zu recyceln oder in unsch\u00e4dliche Stoffe umzuwandeln, so dass das Wasser gereinigt werden kann.<\/p>\n<p><strong>9. Stabilisierungsteiche:<\/strong> eine biologische Kl\u00e4rtechnik, bei der es sich um einen Kl\u00e4rteich mit einer angemessenen k\u00fcnstlichen Bodenpflege, einem Damm und einer undurchl\u00e4ssigen Schicht handelt, der sich haupts\u00e4chlich auf die nat\u00fcrliche biologische Reinigungsfunktion st\u00fctzt, um das Abwasser zu reinigen.<\/p>\n<p><strong>10. Kl\u00e4ranlage f\u00fcr Grundst\u00fccke:<\/strong> geh\u00f6rt auch zu der Kategorie der nat\u00fcrlichen Abwasserbehandlung, das hei\u00dft, in der k\u00fcnstlichen Kontrolle der Bedingungen, die Abw\u00e4sser werden auf dem Land zugeordnet werden. Durch den Boden - Pflanze System, eine Reihe von physikalischen, chemischen, physikalisch-chemischen und biochemischen Reinigungsprozess, so dass Abwasser gereinigt wird eine Abwasseraufbereitung Prozess.<\/p>\n<p><strong>11. System zur Behandlung von Feuchtgebieten:<\/strong> das Abwasser in den Boden ist oft in einem wasserges\u00e4ttigten Zustand und das Wachstum von wasserbest\u00e4ndigen Pflanzen wie Schilf, Str\u00e4ucher und andere S\u00fcmpfe, Abwasser flie\u00dfen in eine bestimmte Richtung, in den Fluss des Prozesses, in der wasserbest\u00e4ndigen Pflanzen und B\u00f6den unter der gemeinsamen Wirkung des Abwassers wird durch eine Landbehandlung Prozess gereinigt.<\/p>\n<p><strong>12. Behandlung in der Tiefe:<\/strong> Wenn die Abwassernorm f\u00fcr die Abwasserbehandlung bestimmte Schadstoffe vorsieht, wird der Behandlungsprozess oft als Tiefenbehandlung bezeichnet.<\/p>\n<p><strong>13. Belebtschlamm (zwei Ausdr\u00fccke)<\/strong><\/p>\n<p>Konzept 1: Bel\u00fcftung des h\u00e4uslichen Abwassers durch Einblasen von Luft in das Abwasser, nach einem l\u00e4ngeren Zeitraum bildet sich eine gelblich-braune Flocke im Abwasser. Diese Flocken bestehen haupts\u00e4chlich aus einer gro\u00dfen Anzahl von Mikroorganismen, die sich vermehren. Sie lassen sich leicht ausf\u00e4llen und trennen das Wasser, so dass das Abwasser gereinigt und gekl\u00e4rt werden kann.<\/p>\n<p>Begriff 2: Belebtschlamm ist der Hauptbestandteil des Belebtschlammbehandlungssystems. Der Belebtschlamm wird von Mikroorganismen mit starker Vitalit\u00e4t bewohnt. Unter der Wirkung der metabolischen Funktion der mikrobiellen Gruppe hat der Belebtschlamm nur die Vitalit\u00e4t, organische Schadstoffe in stabile anorganische Substanzen umzuwandeln, daher wird er \"Belebtschlamm\" genannt.<\/p>\n<p><strong>14. Der Energiegehalt des Belebtschlamms:<\/strong> das Verh\u00e4ltnis zwischen der Menge an <strong>Bio<\/strong> Stoff (F) zur Menge der Mikroorganismen (M) (F\/M).<\/p>\n<p><strong>15. Metabolismus von Mikroorganismen:<\/strong> Belebtschlamm-Mikroorganismen, die im Belebungsbecken \u00fcberleben und st\u00e4ndig organische Schadstoffe im Abwasser aus ihrer Umgebung als Nahrung aufnehmen und absorbieren.<\/p>\n<p><strong>16. Technologie der Belebtschlammbehandlung,<\/strong> ist durch die Annahme einer Reihe von k\u00fcnstlichen St\u00e4rkung, Kontrolle der technischen Ma\u00dfnahmen, so dass der Belebtschlamm Mikroorganismen haben. Um organische Materie Oxidation, Zersetzung als die wichtigsten physiologischen Funktion, bekommen volles Spiel. Um den Zweck der Abwasserreinigung der Biotechnik zu erreichen.<\/p>\n<p><strong>17. Konzentration der gemischten fl\u00fcssigen Schwebstoffe MLSS:<\/strong> auch Mischschlammkonzentration genannt, ausgedr\u00fcckt in der Belebungsbecken-Einheitsmenge an Mischfl\u00fcssigkeit, die im Gesamtgewicht der Belebtschlamm-Feststoffe enthalten ist.<\/p>\n<p><strong>18. Konzentration der gemischten fl\u00fcchtigen Schwebstoffe MLVSS:<\/strong> Dieser Index wird durch den Anteil der organischen Feststoffe im gemischten fl\u00fcssigen Belebtschlamm an der Konzentration ausgedr\u00fcckt.<\/p>\n<p><strong>19. Schlammvolumenindex SVI, auch \"Schlammindex\" genannt:<\/strong> Die physikalische Bedeutung dieses Indikators besteht darin, dass im Belebungsbecken am Ausgang des Gemischs nach 30 Minuten statischer Ausf\u00e4llung jedes g Trockenschlamm, das durch die Sedimentation des Schlamms gebildet wurde, das Volumen in ml einnimmt.<\/p>\n<p><strong>20. Schlammabsetzverh\u00e4ltnis SV:<\/strong> Gemischs im Zylinder nach 30 Minuten nach der Bildung des ausgefallenen Schlammvolumens in Prozent des Volumens des urspr\u00fcnglichen Gemischs, ausgedr\u00fcckt in %.<\/p>\n<p><strong>21. Alter des Schlamms:<\/strong> die Gesamtmenge des Belebtschlamms im Belebungsbecken (VX) und das Verh\u00e4ltnis der pro Tag ausgetragenen Schlammmenge, d. h. die durchschnittliche Verweilzeit des Belebtschlamms im Belebungsbecken, die auch als \"durchschnittliche Verweilzeit des Kl\u00e4rschlamms\" bezeichnet wird, d. h.:<\/p>\n<p><strong>22. BSB-Schlammbelastung (Ns):<\/strong> ausgedr\u00fcckt in der Belebungsbecken-Einheit Gewicht (kg) Belebtschlamm, in einer Einheit der Zeit (1d) zu akzeptieren, und wird zu einem vorbestimmten Grad von organischen Schadstoffen (BSB) abgebaut werden.<\/p>\n<p><strong>23. Einheit der volumetrischen Belastung (Nv):<\/strong> Belebungsbeckenvolumen (m3), in einer Zeiteinheit (1 Tag), angenommen werden kann und zu einem vorbestimmten Grad an organischen Schadstoffen (BSB) abgebaut wird.<\/p>\n<p><strong>24. Belebtschlammverfahren:<\/strong> k\u00fcnstliche Ma\u00dfnahmen zur Schaffung geeigneter Bedingungen zur St\u00e4rkung der Stoffwechselfunktion von Belebtschlamm-Mikroorganismen, um den Abbau organischer Schadstoffe in der biologischen Kl\u00e4rtechnik zu beschleunigen.<\/p>\n<p><strong>25. Die Essenz der Biofilm-Methode:<\/strong> ist es, Bakterien und Pilze Klasse von Mikroorganismen und Protozoen, nach der tierischen Klasse von Mikro-Tiere an den Filtermedien oder einige Tr\u00e4ger Wachstum und Entwicklung, und die Bildung von Membranen biologischen Schlamm auf sie - Biofilm.<\/p>\n<p><strong>26. Biofilm:<\/strong> durch eine Vielzahl von Mikroorganismen, die durch die biologischen Membranaggregate gebildet werden, an das Wachstum der Oberfl\u00e4che des festen Materials gebunden.<\/p>\n<p><strong>27. Biofilter:<\/strong> k\u00fcnstliche biologische Behandlungsmethode, die auf der Grundlage der Praxis der Abwasserbew\u00e4sserung entwickelt wurde.<\/p>\n<p><strong>28. Das Grundprinzip der neuen Theorie der Stickstoffentfernung:<\/strong> zun\u00e4chst teilweise oxidieren Ammoniak-Stickstoff in Nitrit-Stickstoff, steuern das Verh\u00e4ltnis von NH4 + und NO2- 1:1, und dann realisieren den Zweck der Stickstoffentfernung durch anaerobe Ammoniak-Oxidation als Denitrifikation .<\/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>Phosphonate Antiscalants, Korrosionsinhibitoren und Chelatbildner<\/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\/de\/products\/atmp-cas-6419-19-8\/\">Aminotrimethylenphosphons\u00e4ure (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\/de\/products\/hedp-cas-2809-21-4-2\/\">1-Hydroxy-Ethyliden-1,1-Diphosphons\u00e4ure (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\/de\/products\/edtmpa-solid-cas-1429-50-1\/\"><span style=\"color: #00ccff;\">Ethylendiamintetra(methylenphosphons\u00e4ure) EDTMPA (fest)<\/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\/de\/products\/dtpmpa-cas-15827-60-8\/\"><span style=\"color: #00ccff;\">Diethylentriamin Penta (Methylenphosphons\u00e4ure) (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\/de\/products\/pbtc-cas-37971-36-1\/\"><span style=\"color: #00ccff;\">2-Phosphonobutan-1,2,4-Tricarbons\u00e4ure (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\/de\/products\/hpaa-cas-23783-26-8\/\"><span style=\"color: #00ccff;\">2-Hydroxyphosphonoessigs\u00e4ure (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\/de\/products\/hmdtmpa-cas-23605-74-5\/\"><span style=\"color: #00ccff;\">HexaMethylenDiaminTetra(MethylenPhosphons\u00e4ure) 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-Methylenphosphons\u00e4ure (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\/de\/products\/bhmtpmp-cas-34690-00-1\/\"><span style=\"color: #00ccff;\">Bis(HexaMethylen-Triamin-Penta-(Methylenphosphons\u00e4ure)) 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\/de\/products\/hempa-cas-5995-42-6\/\"><span style=\"color: #00ccff;\">Hydroxyethylamino-Di(Methylenphosphons\u00e4ure) (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>Salze von Phosphonaten<\/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\/de\/products\/atmp-na4-cas-20592-85-2\/\"><span style=\"color: #00ccff;\">Tetra-Natriumsalz der Aminotrimethylenphosphons\u00e4ure (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\/de\/products\/atmp-na5-cas-2235-43-0\/\"><span style=\"color: #00ccff;\">Penta-Natriumsalz der Aminotrimethylenphosphons\u00e4ure (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\/de\/products\/hedp-na-cas-29329-71-3\/\"><span style=\"color: #00ccff;\">Mononatrium von 1-Hydroxy-Ethyliden-1,1-Diphosphons\u00e4ure (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\/de\/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-Natriumsalz der 1-Hydroxy-Ethyliden-1,1-Diphosphons\u00e4ure (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\">Kaliumsalz der 1-Hydroxy-Ethyliden-1,1-Diphosphons\u00e4ure (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\">Ethylendiamintetra(methylenphosphons\u00e4ure) Pentanatriumsalz (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-Natriumsalz von Diethylentriamin-Penta-(Methylenphosphons\u00e4ure) (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\">Natriumsalz von Diethylentriamin-Penta-(Methylenphosphons\u00e4ure) (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-Phosphonobutan-1,2,4-Tricarbons\u00e4ure, Natriumsalz (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\">Kaliumsalz von HexaMethylenDiaminTetra(MethylenPhosphons\u00e4ure) 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\">Teilweise neutralisiertes Natriumsalz von Bishexamethylentriaminpenta(methylenphosphons\u00e4ure) 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>Polycarboxylisches Antiscalant und Dispergiermittel<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Polyacryls\u00e4ure (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\">Polyacryls\u00e4ure-Natriumsalz (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\/de\/products\/hpma-cas-26099-09-2\/\"><span style=\"color: #00ccff;\">Hydrolysiertes Polymaleins\u00e4ureanhydrid (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\">Copolymer aus Maleins\u00e4ure und Acryls\u00e4ure (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\">Acryls\u00e4ure-2-Acrylamido-2-Methylpropansulfons\u00e4ure-Copolymer (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 Phosphinocarbons\u00e4ure (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 abbaubares Antiscalant und Dispergiermittel<\/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\/de\/products\/pesa-cas-51274-37-4109578-44-1\/\"><span style=\"color: #00ccff;\">Natrium der Polyepoxibernsteins\u00e4ure (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\/de\/products\/pasp-cas-181828-06-8-35608-40-6\/\"><span style=\"color: #00ccff;\">Natriumsalz der Polyasparagins\u00e4ure (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>Biozid und Algizid<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et5\" style=\"height: 67.50pt;\" rowspan=\"3\" height=\"90\">Benzalkoniumchlorid(Dodecyl-Dimethyl-Benzylammoniumchlorid)<\/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\">Isothiazolinone<\/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)phosphoniumsulfat(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\">GLUTARALDEHYD<\/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>Korrosionsinhibitoren<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Natriumsalz von Tolyltriazol (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\">Tolyltriazol (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\">Natriumsalz von 1,2,3-Benzotriazol (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-Benzotriazol (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\">Natriumsalz von 2-Mercaptobenzothiazol (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-Mercaptobenzothiazol (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>Sauerstoff-Scavenger<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et5\" style=\"height: 13.50pt;\" height=\"18\">Cyclohexylamin<\/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\">Morpholin<\/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-Sulfosuccinat<\/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\">Acetylchlorid<\/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 Gr\u00fcner Chelatbildner (Glutamins\u00e4ure, N,N-Diessigs\u00e4ure, Tetra-Natriumsalz)<\/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\/de\/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\/de\/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\/de\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/chlumiwe-3071-organic-silicone-surfactant-organosilicone-wetting-agent\/\">CHLUMIWE 3071<\/a>:<\/strong> Useful when organosilicone wetting support is needed in a broad application screen.<\/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>1. Total solids: the quantitative water samples in the 105 ~ 110 \u2103 oven small drying to constant weight, the resulting weight:. 2. Nitrogen-containing compounds in sewage are four: organic<\/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-7128","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>Wastewater Treatment 28 Knowledge Points - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"1. 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