{"id":119179,"date":"2020-09-22T10:28:14","date_gmt":"2020-09-22T08:28:14","guid":{"rendered":"https:\/\/concentrol.com\/emultrol-dfm-range-of-antifoaming-agents-for-wastewater-treatment\/"},"modified":"2020-10-07T11:56:19","modified_gmt":"2020-10-07T09:56:19","slug":"gamma-emultrol-dfm-dantiespumants-per-al-tractament-daigues-residuals","status":"publish","type":"post","link":"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/ca\/gamma-emultrol-dfm-dantiespumants-per-al-tractament-daigues-residuals\/","title":{"rendered":"Gamma EMULTROL DFM d\u2019antiespumants per al tractament d’aig\u00fces residuals"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text]Les aig\u00fces residuals s\u00f3n qualsevol mena d’aigua la qualitat de la qual es veu afectada negativament per influ\u00e8ncia antropog\u00e8nica i inclouen les aig\u00fces usades, dom\u00e8stiques, urbanes i els residus l\u00edquids industrials o miners eliminats, o les aig\u00fces que es van barrejar amb les anteriors (aig\u00fces pluvials o naturals).\u00a0<\/span><\/p>\n

Per garantir la salubritat i la sostenibilitat, cal tractar degudament aquestes aig\u00fces residuals. Aquest proc\u00e9s consisteix en una s\u00e8rie de processos f\u00edsics, qu\u00edmics i biol\u00f2gics que tenen com a objectiu eliminar els contaminants presents tant en efluents industrials com urbans.\u00a0<\/span><\/p>\n

Dins del tractament d\u2019aig\u00fces residuals, es distingeixen 3 tipus principals: tractament primari o tractament fisicoqu\u00edmic, tractament secundari o tractament biol\u00f2gic i tractament terciari. Hi ha qui considera un quart tipus de tractament anterior al primari que inclou les etapes preliminars per al correcte processament de l’aigua.<\/span><\/p>\n

 <\/p>\n

Tractament f\u00edsic-qu\u00edmic o primari<\/b><\/p>\n

T\u00e9 com a objectiu reduir els elements suspesos en el l\u00edquid mitjan\u00e7ant precipitaci\u00f3 o amb l’oxidaci\u00f3 qu\u00edmica. \u00c9s d’aplicaci\u00f3 comuna en depuraci\u00f3 d’aig\u00fces d’origen industrial. Entre els m\u00e8todes m\u00e9s comuns d’aquest tractament trobem la <\/span>flotaci\u00f3<\/b> i la <\/span>coagulaci\u00f3-floculaci\u00f3<\/b>.\u00a0<\/span><\/p>\n

Quan la mat\u00e8ria suspesa en l’aigua t\u00e9 una densitat inferior o igual a la de l’aigua, com olis, greixos o emulsions que no sedimenten, s’aplica el m\u00e8tode de <\/span>flotaci\u00f3<\/b>. Consisteix a generar una gran quantitat de bombolles d’aire que despla\u00e7aran els elements suspesos cap a la superf\u00edcie quedant concentrats i f\u00e0cilment extra\u00efbles.\u00a0<\/span><\/p>\n

Si la mida de les part\u00edcules barrejades amb l’aigua \u00e9s molt petita i no sedimenta o ho fa massa lent, s’utilitza el proc\u00e9s de <\/span>coagulaci\u00f3-floculaci\u00f3,<\/b> que consisteix a afegir subst\u00e0ncies qu\u00edmiques que generen la coagulaci\u00f3 de les part\u00edcules a remoure afavorint la seva floculaci\u00f3 i sedimentaci\u00f3.\u00a0<\/span><\/p>\n

Altres opcions per eliminar les subst\u00e0ncies nocives de les aig\u00fces residuals s\u00f3n la <\/span>precipitaci\u00f3<\/b>, l’<\/span>intercanvi i\u00f2nic<\/b> o el tractament amb <\/span>UV<\/b>.<\/span><\/p>\n

Tractament biol\u00f2gic o secundari<\/b><\/p>\n

S’aplica sovint, per\u00f2 no necess\u00e0riament, despr\u00e9s dels tractaments fisicoqu\u00edmics. Realitza l’<\/span>\u00fas de microorganismes<\/b> que s’encarreguen de degradar activament la mat\u00e8ria org\u00e0nica o contingut biol\u00f2gic perqu\u00e8 els elements a eliminar s’alliberin del medi aqu\u00f3s. Es distingeixen dos processos diferents segons si tractem la mat\u00e8ria basada en oxidants o no, els <\/span>processos aerobis<\/b> i els processos <\/span>anaerobis<\/b>.\u00a0<\/span><\/p>\n

En els <\/span>processos aerobis<\/b>, s’incorporen microorganismes aerobis amb l’objectiu d’incrementar el contingut d’oxigen en el l\u00edquid per mitj\u00e0 de regs de superf\u00edcies s\u00f2lides, agitaci\u00f3 i ventilaci\u00f3 submergida. Les subst\u00e0ncies biodegradables dissoltes serveixen d’aliment als microorganismes incorporats convertint-se en biomassa de condicions aer\u00f2bies, di\u00f2xid de carboni i aigua. Tot seguit es realitza l’eliminaci\u00f3 de compostos de nitrogen de l’aigua que s’est\u00e0 tractant mitjan\u00e7ant la nitrificaci\u00f3 i la desnitrificaci\u00f3. La nitrificaci\u00f3 utilitza els microorganismes per convertir l’amoni de les aig\u00fces residuals en nitrats, la desnitrificaci\u00f3 redueix el nitrat a nitrogen permetent que el producte escapi en estat gas\u00f3s cap a l’atmosfera.\u00a0<\/span><\/p>\n

D\u2019altra banda, els processos <\/span>anaerobis<\/b>, tamb\u00e9 considerats <\/span>fermentatius<\/b> o <\/span>degradants<\/b>, es caracteritzen per convertir la mat\u00e8ria org\u00e0nica processada en compostos de met\u00e0 i di\u00f2xid de carboni mitjan\u00e7ant bacteris que s’encarreguen de la degradaci\u00f3 dels s\u00f2lids que arriben fins aquesta etapa. En aquest no hi ha cap compost a for\u00e7a d’oxidants, de manera que les reaccions qu\u00edmiques resultants d’aquests processos alliberen una petita part de l’energia mentre que el restant energ\u00e8tic roman en el compost de met\u00e0.<\/span><\/p>\n

 <\/p>\n

Tractament terciari<\/b><\/p>\n

Finalment es realitza el tractament <\/span>terciari<\/b>, que pot tenir naturalesa <\/span>fisicoqu\u00edmica<\/b> o <\/span>biol\u00f2gica.<\/b> Per afinar el resultat de la composici\u00f3 de l’efluent, els m\u00e8todes aplicats seran molt variables en funci\u00f3 de l’origen i dest\u00ed de l’aigua a tractar.<\/span><\/p>\n

En tots els tractaments especificats <\/span>\u00e9s com\u00fa la formaci\u00f3 d’escuma<\/b> en el l\u00edquid tant per l’agitaci\u00f3 del medi en processos hidr\u00e0ulics o mec\u00e0nics aix\u00ed com la ventilaci\u00f3 intencionada. Aquesta escuma fora de control pot generar irregularitats en els processos aix\u00ed com danyar la maquin\u00e0ria utilitzada o<\/span> produir alteracions en els sistemes de depuraci\u00f3 biol\u00f2gics augmentant els costos associats i disminuint la productivitat dels processos. Per aquest motiu <\/span>\u00e9s necessari incorporar agents auxiliars<\/b> en els processos coneguts com a <\/span>antiespumants<\/b>.<\/span><\/p>\n

Els antiespumants s\u00f3n productes qu\u00edmics que permeten controlar i, si cal, eliminar l’escuma en l’aigua tractada per evitar les conseq\u00fc\u00e8ncies negatives de la seva aparici\u00f3 o exc\u00e9s en etapes en qu\u00e8 no es desitja. Els antiespumants contenen tensioactius que permeten el control la tensi\u00f3 superficial del l\u00edquid. Els antiespumants es difonen amb rapidesa en la interfase l\u00edquid-gas per desestabilitzar les estructures micelars afavorint el col\u00b7lapse de les bombolles.<\/span><\/p>\n

Els antiespumants per al tractament d’aig\u00fces poden ser necessaris en sectors industrials molt diversos. La seva composici\u00f3 i formulaci\u00f3 dependr\u00e0 dels processos als quals se sotmet l’aigua i els tractaments fisicoqu\u00edmics o biol\u00f2gics utilitzats com agitaci\u00f3 o ventilaci\u00f3, reactors biol\u00f2gics, arquetes de control i col\u00b7lectors, sistemes de destil\u00b7lat i buit, etc. La selecci\u00f3 de cada producte qu\u00edmic anir\u00e0 en funci\u00f3 dels tensioactius presents en l’aigua, de l’enginyeria i de la qualitat de l’aigua requerida.<\/span><\/p>\n

Concentrol ha desenvolupat la gamma d\u2019antiespumants <\/span>EMULTROL DFM<\/b>, que inclou solucions dissenyades espec\u00edficament per al tractament d’aig\u00fces residuals en diferents sectors industrials.\u00a0<\/span><\/p>\n

Amb d\u00e8cades d\u2019experi\u00e8ncia en un ampli ventall de sectors, Concentrol compta amb un ampli coneixement de la naturalesa de les aig\u00fces i enginyeria dels processos de tractament d’aig\u00fces de la majoria d’ind\u00fastries. Gr\u00e0cies a aix\u00f2, l’equip t\u00e8cnic de Concentrol treballa juntament amb els experts de cada ind\u00fastria per con\u00e8ixer en profunditat els requeriments espec\u00edfics per tal de proveir la soluci\u00f3 que millor s’ajusti a les necessitats de cada client, aconseguint aix\u00ed el millor resultat pel millor cost.<\/span><\/p>\n

La gamma d\u2019antiespumants <\/span>EMULTROL DFM<\/b> estan formulats sobre la base d’<\/span>olis minerals, olis vegetals o silicones<\/b>. Consten amb un <\/span>percentatge alt de mat\u00e8ria activa<\/b>,<\/span> sent doncs molt efica\u00e7os en el control de l’escuma amb dosificacions molt petites.\u00a0<\/span><\/p>\n

S\u2019aconsegueix un \u00f2ptim funcionament de les instal\u00b7lacions i dels processos gr\u00e0cies a l\u2019acompanyament t\u00e8cnic, ja que permet configurar una soluci\u00f3 segons les particularitats de cada cas, i aix\u00ed obtenir un estalvi econ\u00f2mic considerable.\u00a0<\/span><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n
Refer\u00e8ncia<\/span><\/td>\nComposici\u00f3<\/span><\/td>\n% S\u00f2lid<\/span><\/td>\nPropietats<\/span><\/td>\n<\/tr>\n
Emultrol DFM DV-1 T\u00a0<\/b><\/td>\nAntiespumant en emulsi\u00f3 amb contingut del 10% de silicona<\/span><\/td>\n15<\/span><\/td>\nMolt estable, incloent la diluci\u00f3 amb aigua al 50% (1:1)<\/span><\/td>\n<\/tr>\n
Emultrol DFM DV-8 P<\/b><\/td>\nAntiespumant en emulsi\u00f3 amb contingut del 5% de silicona<\/span><\/td>\n8<\/span><\/td>\n\u201cReady-to-use\u201d. Degut a la concentraci\u00f3\/diluci\u00f3, s\u2019incorpora molt r\u00e0pidament.<\/span><\/td>\n<\/tr>\n
Emultrol DFM DV-25 S<\/b><\/td>\nAntiespumant concentrat base silicona\u00a0<\/span><\/td>\n25<\/span><\/td>\nPrecisa de diluci\u00f3 abans d\u2019\u00fas (1:1).\u00a0<\/span><\/td>\n<\/tr>\n
Emultrol DFM AFO-5<\/b><\/td>\nAntiespumant en emulsi\u00f3 en base olis vegetals<\/span><\/td>\n22<\/span><\/td>\n100% biodegradable. No obtura membranes.<\/span><\/td>\n<\/tr>\n
Emultrol DFM OLM-14<\/b><\/td>\nAntiespumant base hidrocarburs<\/span><\/td>\n100<\/span><\/td>\nOlor caracter\u00edstic d’hidrocarbur i no obtura membranes.<\/span><\/td>\n<\/tr>\n
Emultrol DFM OLM-12\u00a0<\/b><\/td>\nAntiespumant base olis minerals (cont\u00e9 silicona)<\/span><\/td>\n100<\/span><\/td>\nS\u2019utilitza quan els antiespumants de silicona no fan efecte.<\/span><\/td>\n<\/tr>\n
Emultrol DFM CP-20<\/b><\/td>\nAntiespumant base silicona<\/span><\/td>\n100<\/span><\/td>\nS\u2019utilitza en diluci\u00f3, per fabricar antiespumants al 5-10% de silicona\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L\u2019ampli recorregut en additius de Concentrol i l\u2019experi\u00e8ncia en antiespumants per al tractament d\u2019aig\u00fces residuals capaciten a l\u2019empresa d\u2019oferir solucions individualitzades per a cada situaci\u00f3, a partir d\u2019estudis, assajos i pilotatges duts a terme als laboratoris Concentrol.\u00a0<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\u00bb1\/1″][vc_button border_width=\u00bb0″ link=\u00bburl:https%3A%2F%2Fconcentrol.com%2Fwp-content%2Fuploads%2F2020%2F09%2FCA_SECTOR_AIGUES-1.pdf|||\u00bb]Descarregar infogr\u00e0fic[\/vc_button][vc_column_text]

CA_SECTOR_AIGUES-1<\/a><\/div>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row][vc_column][vc_column_text]Les aig\u00fces residuals s\u00f3n qualsevol mena d’aigua la qualitat de la qual es veu afectada negativament per influ\u00e8ncia antropog\u00e8nica i […]<\/p>\n","protected":false},"author":1,"featured_media":119174,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[128],"tags":[148],"class_list":["post-119179","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-additiusrb","tag-tractament"],"acf":[],"yoast_head":"\nGamma EMULTROL DFM d\u2019antiespumants per al tractament d'aig\u00fces residuals<\/title>\n<meta name=\"description\" content=\"Concentrol - Chemical Solutions\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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