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Table 5 Total direct costs for the main and additional units in the developed schemes based on 1000 m3/d of rice straw black liquor

From: Development and comparison of membrane separation schemes for byproduct recovery from Egyptian rice straw black liquor

Unit

Total direct capital cost ($)

Scheme (I)

Scheme (II)

Main units

UF

409,000

409,000

NF1

366,000

366,000

NF2

249,000

TVC1

718,000

718,000

TVC2

529,000

MF1

330,000

MF2

173,000

 

1,823,000

2,444,000

Additional units

pHP 1

40,000

40,000

P2

46,000

46,000

pH

76,000

46,000

F1

109,500

109,500

F2

109,500

109,500

D1

301,000

301,000

D2

287,000

287,000

D3

763,000

326,000

WWT

600,000

400,000

 

2,332,000

1,665,000

Total scheme

4,155,000

4,109,000

  1. Bold values indicate subtotal