Table 1 NPV analysis excluding the sale of carbon credits and implementation of carbon taxation

From: Life cycle and techno-economic assessment of bioresource production from wastewater

Process

CAPEX (USD)

Net Operating Profit (USD·t TS−1)

Annual Net Operating Profit (USD·yr−1)

Reference Case NPV (million USD)

LFa

3,580,500

−311

−10,249,885

−91

LF_LFGa

3,580,500

−311

−10,249,885

−91

TD-LFa

26,086,500

−288

−9,508,146

−107

TD-LF_LFGa

26,086,500

−288

−9,508,146

−107

LAa

3,580,500

−311

−10,249,885

−91

TD-LAa

26,086,500

−288

−9,508,146

−107

TD-INC-LFa

56,265,000

−266

−8,777,274

−131

AD-CHP-LFa

46,546,500

−232

−7,649,285

−112

AD-CHP-LF_LFGa

46,546,500

−232

−7,649,285

−112

AD-CHP-LAa

46,546,500

−232

−7,649,285

−112

AD-CHP-TD-LFa

63,937,500

−249

−8,226,541

−134

AD-CHP-TD-LF_LFGa

63,937,500

−249

−8,226,541

−134

AD-CHP-TD-LAa

63,937,500

−249

−8,226,541

−134

AD-CHP-TD-INC-LFa

87,978,000

−289

−9,522,592

−169

TH-AD-CHP-LFa

64,449,000

−309

−10,190,965

−151

TH-AD-CHP-LF_LFGa

64,449,000

−309

−10,190,965

−151

TH-AD-CHP-LAa

64,449,000

−309

−10,190,965

−151

TH-AD-CHP-TD-INC-LFa

92,070,000

−347

−11,461,509

−190

HTL-CAS_BC

19,640,739

−43

−1,423,502

−32

HTL-CAS_FP

27,119,530

76

2,496,889

−6

HTL-NH3-CAS_BC

24,250,820

−43

−1,420,694

−36

HTL-NH3-CAS_FP

31,499,114

−20

−655,537

−37

SupCrit HTL-CAS_BHO

44,806,275

−196

−6,458,876

−100

SubCrit HTL-CAS_BHO

42,081,215

−183

−6,035,181

−93

HTL-AD-CHP_BC

88,631,745

−105

−3,464,506

−118

HTL-AD-Boiler_BC

86,139,268

−100

−3,291,669

−114

HTL-CHG-CHP_BC

162,070,936

−430

−14,175,080

−283

HTL-CHG-Boiler_BC

157,201,499

−422

−13,916,214

−276

TD-AirGs-CHP

44,369,130

−135

−4,446,971

−82

TD-StmGs-CHP

44,369,130

−145

−4,788,469

−85

FD-Torr-Comb_BSF

28,639,016

−336

−11,096,555

−123

FD-Torr_BSF

27,102,817

−461

−15,212,038

−157

TE-PBR-TD-MWPy

14,498,978

−6

−203,934

−16

TD-Py

6,869,418

−776

−25,598,837

−225

HTC-AD-CHP-LA

141,967,461

−580

−19,131,990

−305

  1. aEstablished biosolids management process.