Mashandiro Anoita Reverse Osmosis: Kuchenesa Mvura Kuburikidza Nekusefa Kwepamberi

1. Osmosis vs. Reverse Osmosis

- Natural Osmosis: Muchisikigo, mvura inofamba nepakati pe semipermeable membrane kubva munharaunda ye-low solute concentration kusvika kune yakakwirira solute concentration kuti ienzanise mativi ose (Fig. 1a). Iyi muitiro wekuita haidi simba.

(Mazano ekuona: Zvikamu zviviri zvakapatsanurwa ne membrane; mvura inoyerera ichienda kudivi rine munyu.)

- Reverse Osmosis: RO inodzosera kuyerera uku. Nokushandisa dzvinyiriro yakakura kudarika yakasikwa osmotic pressure, mvura inomanikidzwa kubva kune yakakwirira-yakasvibiswa (yakasvibiswa) kurutivi rwekudzika-yakachena (yakachena) rutivi, ichisiya tsvina shure (Fig. 1b).

(Zano rekuona: Kudzvanya kunoshandiswa kudivi rine munyu; mamorekuru emvura anopinda mukati memembrane apo munyu/zvinosvibisa zvichivharika.)

2. Mwoyo weRO: Iyo Semipermeable Membrane

Iyo RO membrane ndeye dense, multilayered polymer (kazhinji polyamide) ine microscopic pores (~ 0.0001 microns). Aya ma pores madiki zvakakwana kuti avhare:

- Yakanyungudika munyu (semuenzaniso, Na⁺, Cl⁻)

-Masimbi anorema (semuenzaniso, lead, arsenic)

- Utachiona, mavhairasi, uye organic mamorekuru

Membrane Structure:

1. Support Layer: Inopa mechanical simba.
2. Porous Layer: Inobvumira nzira yemvura.
3. Active Layer: Ultra-yakaonda polyamide sheet ine nano-saizi pores yekusarudza kusefa.

3. Mabvisirwe Ezvinosvibisa

-Kusarudzika Saizi: Mamorekuru akakura (semuenzaniso, munyu, organics) haakwanise kupfuura nemuma pores madiki.

- Charge Repulsion: Iyo membrane yekumusoro inochajiswa nemagetsi, inodzinga maion nemachaji akafanana.

- Diffusion Resistance: Zvinosvibisa zvinovharirwa uye zvinopeperetswa kure semvura yakasviba.

4. Zvishandiso zveRO

- Desalination: Kushandura mvura yegungwa kuva mvura yakachena.

-Drinking Water Systems: Kubvisa zvinosvibisa kubva kumapombi emumba.

- Industries: Pharmaceuticals, chikafu / chinwiwa kugadzirwa, uye tsvina yemvura kurapwa.

5. Matambudziko

-Kushandiswa kweMagetsi: Zvinodiwa zvekumanikidza zvakanyanya zvinowedzera kushandiswa kwesimba.

- Membrane Fouling: Zvimedu zvinogona kuvhara pores, zvinoda kugadziriswa nguva dzose.

Mhedziso

Reverse osmosis inosungira zvinhu zvesainzi uye fizikisi kuendesa mvura yakachena. Nekunzwisisa osmotic misimboti uye membrane dhizaini, isu tinokwanisa kukwidziridza RO masisitimu kuitira ramangwana rakagadzikana.