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Table 7 Environmental impacts results with resources recovery

From: Life cycle analysis of potential municipal solid wastes management scenarios in Tanzania: the case of Arusha City

Category

Unit

SN-1

(RCL_LF)

SN-2 (RCL_CP_LF)

SN-3 (RCL_AD_LF)

Value

Fresh water eutrophication

kg P eq

4.5

−7.7 × 10 − 4

3.7 × 10 − 4

Human toxicity

kg1,4-DCB eq

11

8.7

9.3

Particulate matter formation

kg PM10

0.049

0.43

0.27

Fresh water ecotoxicity

kg 1,4-DCB eq

0.85

0.59

0.61

Climate change

kg CO2 eq

1303

86

260

Terrestrial ecotoxicity

kg 1,4-DCB eq

1.1 × 10 −3

1.9 × 10 −4

2.9 × 10 − 4

Photochemical oxidant formation

kg NMVOC eq

0.74

0.13

0.28

Terrestrial acidification

kg SO2 eq

0.11

3.2

1.8

  1. SN Scenario, RCL Recycling, LF Landfilling, CP Composting, AD Anaerobic digestion, DCB Dichlorobenzene, NMVOC Non-methane volatile organic compounds