Table 4 Comparative characterization LCA results per 1 g of PHB produced from DMC/ethanol (dry biomass) or from chloroform/hexane

Climate change

CC

kg CO_{2 eq}

5.34·10²

2.09·10²

Ozone depletion

OD

kg CFC-11 eq

1.37·10^–5

3.65·10^–2

Human toxicity, non-cancer effects

HTNC

CTUh

1.84·10^–5

2.49·10^–5

Human toxicity, cancer effects

HTC

CTUh

2.45·10^–6

3.47·10^–6

Particulate matter

PM

kg PM_2.5 eq

1.81·10^–1

9.07·10^–2

Ionizing radiation in human health

IRHH

kBq U²³⁵ _eq

8.29·10⁰

1.09·10¹

Ionizing radiation in ecosystems

IRE

CTUe

6.40·10^–5

7.90·10^–5

Photochemical ozone formation

POF

kg NMVOC _eq

1.66·10⁰

5.14·10^–1

Acidification

AC

molc H⁺ _eq

2.47·10⁰

8.87·10^–1

Terrestrial eutrophication

TE

molc N _eq

4.23·10⁰

1.26·10⁰

Freshwater eutrophication

FWE

kg P _eq

8.80·10^–2

8.72·10^–3

Marine eutrophication

ME

kg N _eq

2.67·10^–1

1.15·10^–1

Freshwater ecotoxicity

WT

CTUe

2.13·10²

5.63·10¹

Land use

LU

kg C _deficit

1.36·10²

1.40·10²

Water resource depletion

WRD

m³ H₂O _eq

1.49·10²

1.85·10²

Mineral, fossil and renewable resource depletion

FFD

kg Sb _eq

1.11·10^–2

7.73·10^–3