Cov txheej txheem:

Yuav ua li cas ntxuav dej nrog distillation?
Yuav ua li cas ntxuav dej nrog distillation?

Video: Yuav ua li cas ntxuav dej nrog distillation?

Video: Yuav ua li cas ntxuav dej nrog distillation?
Video: Yuav ua li cas rau nruab chav ua mov dab dej 2024, Kaum ib hlis
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Distillation cia siab rau evaporation rau purify dej . Kab mob dej yog rhuab los ua chav. Inorganic compounds thiab loj non-volatile organic molecules tsis evaporate nrog tus dej thiab raug tso tseg. Lub chav ces txias thiab condenses rau daim ntawv dej huv.

Kuj tseem paub yog, puas yog dej distilling purify nws?

Thaum dej distilled yog hom purest ntawm dej , nws tsis tas yuav noj qab nyob zoo. Cov distillation Cov txheej txheem no zoo heev ntawm kev tshem tawm cov kab mob phem, tab sis nws kuj tshem tawm cov ntxhia hauv ntuj thiab electrolytes pom hauv dej.

Tsis tas li ntawd, cov txheej txheem ntawm kev ntxuav cov dej yog dab tsi? Cov txheej txheem siv suav nrog cov txheej txheem lub cev xws li pom, sedimentation, thiab distillation; cov txheej txheem lom neeg xws li cov xuab zeb qeeb qeeb lossis cov pa roj carbon zoo; cov txheej txheem tshuaj xws li flocculation thiab chlorination; thiab siv electromagnetic hluav taws xob xws li lub teeb ultraviolet.

Ua ke, puas distillation tshem tag nrho cov impurities ntawm dej?

Cov impurities hauv dej raug tso tseg hauv thawj lub thawv thiab ua tau muab pov tseg. Cov distillation txheej txheem tshem tawm yuav luag tag nrho cov impurities los ntawm dej . Distillers feem ntau yog siv rau tshem tawm nitrates, kab mob, sodium, hardness, yaj solids, feem ntau cov organic tebchaw, thiab txhuas.

Yuav ua li cas koj thiaj li purify dej?

Cov hauv qab no yog cov txheej txheem ntawm kev lim dej

  1. Boiling. Qhov no yog ib txoj hauv kev txhim khu kev qha dej kom huv.
  2. Kev siv cov tshuaj iodine, ntsiav tshuaj lossis crystals. Qhov no yog ib txoj hauv kev zoo thiab yooj yim dua.
  3. Siv cov tshuaj chlorine. Chlorine muaj peev xwm tua cov kab mob hauv dej.
  4. Siv cov lim dej.
  5. Siv lub teeb ultraviolet.

Pom zoo: