Kurapa maitiro ecyanide-ine tsvina yemvura uye sodium cyanide tsvina yemvura

Munyaya yekuchengetedzwa kwezvakatipoteredza, kurapwa kwemvura yakasviba ine cyanide uye mvura yakasviba ine Sodium cyanide kwagara kuri nyaya inokosha. Nekukura kuri kuita maindasitiri, kunyanya mumaindasitiri akadai se electroplating, metallurgy, uye makemikari, kuburitswa kwemvura yakasviba ine cyanide kwave kuchiwedzera gore negore, zvichikonzera njodzi huru kunharaunda. Saka, kutsvaga matekinoroji ekurapa mvura yakasviba ine cyanide anoshanda zvakanaka, asingadhuri, uye asingakuvadzi nharaunda kwakakosha zvikuru.

Hunhu uye Njodzi dzeCyanide - Ine Wastewater

Cyanide - ine tsvina yemvura inowanzo ine yakakwira-concentration cyanide zvinhu, zviri mumvura mune zvemahara kana zvakaoma mafomu. Pakati pavo, simbi - cyanide complexes, yakadai semhangura - cyanide complexes uye zinc - cyanide complexes, yakanyanya kugadzikana uye yakaoma kubvisa kuburikidza nemaitiro ekurapa maitiro. Mukuwedzera, mvura yakasvibiswa inogonawo kunge iine mamwe ions inorema simbi, organic matter, acids, alkalis, nezvimwe zvinhu, zvine maitiro akaoma, izvo zvinowedzera kuoma kwekurapa. Kuburitswa kwecyanide - ine tsvina yemvura hakungosvibisi mitumbi yemvura chete asi zvakare inoungana kuburikidza nechikafu, zvichiunza njodzi yenguva refu kune nharaunda uye hutano hwevanhu.

Kurapa Technologies yeCyanide - Ine Wastewater

Tichitarisa maitiro ecyanide - ine mvura yetsvina, hunyanzvi hwekurapa huri kunyanya kushandiswa hunosanganisira nzira dzekurapa oxidation, nzira dzekurapa dze electrolytic, nzira dzekutsinhana neion, nzira dzekurapa zvipenyu, uye kushandiswa kwakasanganiswa kwehunyanzvi hwakawanda.

Oxidation Kurapa Nzira

Alkaline Chlorination Method

Mumamiriro ezvinhu ane alkaline (kazhinji ine pH iri pakati pe10 ne11), ma oxidant akadai se chlorine kana sodium hypochlorite anowedzerwa kuti awedzere cyanide mu nitrogen isina chepfu uye Carbon dioxide. Nzira iyi iri nyore kushandisa, ine mhedzisiro yakagadzikana yekurapa, uye mishonga inowanikwa zviri nyore uye yakachipa. Zvisinei, inogona kukonzera kusvibiswa kwechipiri uye ine mhedzisiro yekuparadza pamidziyo.

Hydrogen Peroxide Oxidation Nzira

Pasi pemamiriro eacidic kana alkaline, hydrogen peroxide inoshandiswa seoxidant kuti iite oxidize zvinhu zvecyanide kuita nitrogen nemvura. Iyo inonyanya kukodzera kurapa mvura yetsvina ine yakakwira -concentration cyanide zvinhu, asi mutengo wekurapa wakakwirisa, uye maitiro ekuita anofanirwa kudzorwa zvakanyanya.

Ozone Oxidation Nzira

Uchishandisa iyo yakasimba oxidizing pfuma yeozone, cyanide zvinhu zvinoiswa oxidized kuita zvisiri-chepfu zvinhu. Kubudirira kwekurapa kwakakwira uye hapana kusvibiswa kwechipiri, asi mari yekushandisa uye mari yekushandisa yakakwira.

Fenton Oxidation Nzira

Iyo Fenton reagent inoumbwa nehydrogen peroxide uye iron munyu inoshandiswa kugadzira kemikari oxidation kunyatsosvibisa cyanide zvinhu.

Electrolytic Treatment Method

Iyo electrochemical oxidation reaction inoshandiswa kuparadza cyanide zvinhu mumvura ine tsvina. Mune mamwe mamiriro ezvinhu, iyo cyanide ions mumvura ine tsvina inoiswa mucarbon dioxide, nitrogen, uye ammonia. Yakakodzera kurapa mvura yakaraswa ine yakakwira -concentration cyanide ions, asi inoshandisa simba remagetsi uye inogona kuburitsa muchetura cyanogen chloride gasi.

Ion - Exchange Method

Yakasimba - base anion - kuchinjanisa resins inoshandiswa kuchinjanisa ne cyanide ions mumushonga, kubudirira kubviswa kwe cyanide ions. Inokodzera kurapwa kwecyanide - ine tsvina ine svikiro nepakati uye yakaderera, ine hunyanzvi hwekurapa, uye inogona kudzoreredza maion simbi akakosha, asi mutengo wekurapa wakakwira.

Biological Treatment Method

Kuburikidza nekushatiswa kwema microorganisms, cyanide zvinhu zvinoshandurwa kuita zvisiri-chepfu kana zvakaderera-chepfu. Inoenderana nemhoteredzo uye inogadzikana, asi inoda akakodzera mamiriro ezvakatipoteredza (senge tembiricha, pH kukosha, nezvimwewo) uye nguva refu yekurapa. Nzira dzekurapa dzakajairwa dzebiological dzinosanganisira iyo activated sludge nzira uye biofilm nzira.

Combined Processs

Tichifunga nezvekuoma kwecyanide - ine tsvina yemvura, kushandiswa kwakasanganiswa kwematekinoroji akawanda kunowanzo kugamuchirwa. Semuenzaniso, "alkaline chlorination method + ion - exchange method", "electrolytic treatment method + ion - exchange method", "hydrogen peroxide oxidation method + biological treatment method", etc. Kuburikidza nemaitirwo akabatanidzwa, mu -kudzika kurapwa kwemvura yakasviba kunogona kuwanikwa, uye kunaka kwemvura kunogona kuvandudzwa.