Laserfiche WebLink
<br />OSCl00 <br /> <br />TABLE 2J} <br /> <br />Significsnce of Comon IlIlpllT1tie. Affecting Water for Domeatic & Industrial Uas <br /> <br /> CHEMICAL CUSS f1F DmrCULTY caUSES BY lIIl IT PROCESS OR COMMON <br /> NAME ~OLms 1'1'S PRESENCE MEANS OF REMOV AI. SPECTAL REMARKS <br />1t1d, Clay, Silt Sullpended or May impert taete. Hfll'lIIM Sedimentation - coagulation <br /> Colloidal in process work. Scale, filtretion, <br /> sl~~e and carry over in <br /> b ' _ <br />l:A3:ors Dissolved Imparts odors and. renders Chlorinstion activated Testes are usuelly associated <br /> Gases water unpeletable and \ carbon - aeration. with odors. <br /> undesirable I <br />Sewage Suspended & ~oagulatioD - filtratioD Sewage should te gl ven treatment <br /> Di.solved Presents potential health l chlorination commensurate with downstream <br /> I hazard. Harmful in , uses. Adequate dilution water <br /> , <br /> process work. : required in streams receiving <br /> sewage effJuents. <br />Nitrogen I NH4 Dissolved Provide. plBnt food. rot practical in Cranoda problem is maiDly sssoclet.- <br /> N0:2 Hesvy slgae growths may IlIIUDiCiP"l D.S.. ed with rural oupplies. <br /> I NO.3 render water unsuitable <br /> , I for municipal use. Nl- <br /> , I ~~ate~+~~s~. ~~~~siS <br /> i bot -fe t. i <br /> ! I ! Many different forms of baoterie <br />Bacteria Suspended Pathogenic bacteria rerder ! Coagulation - filtration <br /> , water unsafe for human ! chlorination. are present in water, 80me of <br /> , <br /> consumption unless edequatei which are harmful to humans. <br /> treatment methoo8 nrovided. <br />Algas T I Suspendsd Clogs spray ponds and con- phlorination or other Algae are plant growths of many <br /> ! i <br /> i densers. IlIlparts odor, ' chemical treatmeDt such different families; some more <br /> taste, and color to water ; as sodium pentachlorphenate difficult to destroy th~n others. <br /> i and may render water not ; or cooper sulfa te. <br /> i amenable to treatment. ! <br />Carbon Dioxide : CO2 , Dissolved Gas Causes acid corrosion. ~ration - neutralization Increases acidity of water. <br />, <br /> , I with alkalie.. <br /> J ! <br /> I <br /> <br />5-24 <br /> <br />,', <br /> <br />. <br />