Overview of economic and ecologic effects and applied measures at the identified cases
| ID | Authors (year) | Effects | Applied measures (own interpretation) | ||
|---|---|---|---|---|---|
| Econ. | Ecol. | Comment | |||
| 1 | Adeniji and Schoop (2021) | ++ | ++ | A | |
| 2 | Aguado et al. (2013) | ++ | ++ | B, C | |
| 3 | Baldassarre et al. (2019) | -- | ++ | Project makes no profit so far | P |
| 4 | Baumer-Cardoso et al. (2020) | ++ | - | Disproportionate increase of water consumption | L, N |
| 5 | Belhadi et al. (2018) | ++ | ++ | B, L | |
| 6 | Ben Ruben et al. (2017) | ++ | ++ | B, G, L | |
| 7 | Buandra (2019) | ++ | ++ | J, L, T | |
| 8 | Chompu-inwai et al. (2015) | ++ | ++ | F, M | |
| 9 | Choudhary et al. (2019) | ++ | ++ | Despite net positive carbon savings, there is one process within the value stream where CO2 emissions have worsened severely | O, R |
| 10 | Diaz-Elsayed et al. (2013) | + | + | L | |
| 11 | Fahad et al. (2017) | ++ | ++ | B, J | |
| 12 | Felsberger et al. (2020) | + | ++ | A, M | |
| 13 | Fu et al. (2017) | ++ | +? | No details about energy savings, pollution and waste reduction | F, I, L, M, Q |
| 14 | Gholami et al. (2021) | +? | ++ | No details about cost savings (declared as “significant” and “substantial”) | F, G, M |
| 15 | Glick and Shareef (2019) | + | + | M | |
| 16 | Handoko et al. (2018) | ++ | ++ | E | |
| 17 | Huang et al. (2017) | ++ | + | S | |
| 18 | Iqbal et al. (2015) | +? | +? | No details about extent of productivity increase, energy savings and reduced emissions | I, M |
| 19 | Isasi-Sanchez et al. (2020) | ++ | ++ | S | |
| 20 | Jarrell (1992) | +? | ++ | Value of increased flexibility is unclear | E |
| 21 | Jayachandran et al. (2006) | -- | ++ | Manufacturing costs are three times higher | D, E, S |
| 22 | Khan et al. (2021) | ++ | -- | Results depend strongly on machine settings; there are some cases where synergies can be achieved | D, E, F, I |
| 23 | Kluczek (2017) | + | ++ | D, E, F, H | |
| 24 | Leme et al. (2018) | ++ | ++ | L, T | |
| 25 | Lucato et al. (2015) | +? | ++ | No details about economic effect of reduced cycle time and higher productivity | G, L, M, T |
| 26 | Mangili and Prata (2020) | ++ | + | Comparison of two technologies: the one claimed more sustainable scores worse in some aspects such as resource consumption | E, F |
| 27 | Marinelli et al. (2017) | ++ | +? | No details about ecological effect of recycling | P |
| 28 | Mashaei et al. (2011) | +? | ++ | No details about economic effect of changed throughput | M, T |
| 29 | Moreira et al. (2018) | ++ | ++ | F, I, M, T | |
| 30 | Nakajima (2015) | +? | ++ | No details about extent of increased profits | E |
| 31 | Ndikumana (2019) | ++ | ++ | D, F, L | |
| 32 | Păltan et al. (2019) | ++ | +? | No details about ecological effect of recycling | D, H, R |
| 33 | Pampanelli et al. (2015) | + | ++ | L | |
| 34 | Panjeshahi et al. (2009) | ++ | ++ | E, H | |
| 35 | Park and Park (2014) | ++ | +? | No reference value for resource savings | H |
| 36 | Parthasarathy et al. (2005) | ++ | ++ | D, E, H | |
| 37 | Pusavec and Kopac (2009) | ++ | +? | No details about ecological effect of replacing coolants | E, F, I |
| 38 | Roeckel et al. (1994) | ++ | ++ | E, H | |
| 39 | Rosen and Kishawy (2012) | ++ | ++ | E, F, H | |
| 40 | Scharf et al. (2021) | ++ | ++ | A, D, E | |
| 41 a-d | Sellitto et al. (2021) | ++ | +? | No reference value for ecological effect of recycling | P |
| 42 | Sgobba and Meskell (2021) | + | +? | No reference value for avoided emissions | H |
| 43 | Silva et al. (2020) | +? | ++ | No reference value for cost savings | L, T |
| 44 | Sobral et al. (2013) | +? | +? | Effects are not quantified | I, L, T |
| 45 | Stoll et al. (2008) | ++ | +? | No reference value for resource savings | D, E, F, I |
| 46 | Takada et al. (2008) | +? | +? | Effects are not quantified | E, I, R, T |
| 47 | Tamosiunas (2014) | ++ | ++ | D, Q | |
| 48 | Tang et al. (2016) | +? | +? | No reference value for increased profits; no values for emission decrease and resource savings | N |
| 49 | Tasdemir and Gazo (2019) | ++ | ++ | B, G, K, L | |
| 50 | Teng et al. (2020) | ++ | ++ | L, M | |
| 51a | Thanki and Thakkar (2020) | -- | + | Case 1: waste reduction might be caused by lower sales or the like | L |
| 51b | ++ | ○ | Case 2: waste stayed on same level | ||
| 51c | - | -- | Case 3 | ||
| 51d | ++ | - | Case 4 | K, L | |
| 51e | + | ○ | Case 5: waste stayed on same level | L | |
| 51f | -- | -- | Case 6 | K, L | |
| 51g | - | - | Case 7 | L | |
| 51h | ++ | -- | Case 8 | ||
| 52 | Tiwari et al. (2020) | ++ | ++ | G, L, T | |
| 53 | Tokawa et al. (2001) | ++ | +? | No details about ecological effect of avoided coolants | E, F, I, T |
| 54a | Triebswetter and Hitchens (2005) | ++ | +? | No details about ecological effect of replacing resources for all mentioned cases | F, K, P |
| 54b | + | ||||
| 54c | + | ||||
| 55a | Vargas and Scott (2017) | ++ | +? | Case 1: No reference value for reduced gas consumption | C, E, G, J, L, Q, T |
| 55b | +? | +? | Case 2: No details about extent of improved productivity; no reference value for reduced waste and water consumption | B, G | |
| 55c | +? | +? | Case 3: No details about reduced work hours (declared as “significant”); reference value for avoided waste | E, G, H | |
| 55d | ++ | ++ | Case 4 | G, H, K | |
| 55e | +? | +? | Case 5: No details about reduced downtime and product handling; no reference value for reduced waste | E, G, I | |
| 55f | +? | +? | Case 6: No details about reduced cycle time; no reference value for avoided waste | E, G, Q | |
| 56 | Veltri et al. (1999) | ++ | ++ | H | |
| 57 | Vinodh et al. (2016) | ++ | ++ | H, L, M, O | |
| 58a | Wills (2009) | ++ | ++ | Case 1 | E, F, I |
| 58b | ++ | +? | Case 2: No details reduced emissions and waste | ||
| 59 | Yamazaki (2017) | ++ | ++ | C, R | |
| 60 | Yang and Feng (2008) | ++ | ++ | P | |
| 61 | Yue and You (2013) | ++ | + | For some solutions the environmental impact per unit produced increases sharply as productivity increases | N, O |
| 62 | Yun et al. (2014) | +? | ++ | No details about productivity increase | E |
| 63 | Zhang et al. (2018) | ++ | ++ | E, H | |
| 64 | Zhang et al. (2016) | ++ | +? | No reference value for resource savings | A |
| 65 | Zhi-dong et al. (2011) | + | ++ | D, H | |
| 66 | Zhu et al. (2007) | +? | ++ | No details about reduced costs Corporate group representing six cases | K, P |
| ID | Authors (year) | Effects | Applied measures (own interpretation) | ||
|---|---|---|---|---|---|
| Econ. | Ecol. | Comment | |||
| 1 | ++ | ++ | A | ||
| 2 | ++ | ++ | B, C | ||
| 3 | -- | ++ | Project makes no profit so far | P | |
| 4 | ++ | - | Disproportionate increase of water consumption | L, N | |
| 5 | ++ | ++ | B, L | ||
| 6 | ++ | ++ | B, G, L | ||
| 7 | ++ | ++ | J, L, T | ||
| 8 | ++ | ++ | F, M | ||
| 9 | ++ | ++ | Despite net positive carbon savings, there is one process within the value stream where CO2 emissions have worsened severely | O, R | |
| 10 | + | + | L | ||
| 11 | ++ | ++ | B, J | ||
| 12 | + | ++ | A, M | ||
| 13 | ++ | +? | No details about energy savings, pollution and waste reduction | F, I, L, M, Q | |
| 14 | +? | ++ | No details about cost savings (declared as “significant” and “substantial”) | F, G, M | |
| 15 | + | + | M | ||
| 16 | ++ | ++ | E | ||
| 17 | ++ | + | S | ||
| 18 | +? | +? | No details about extent of productivity increase, energy savings and reduced emissions | I, M | |
| 19 | ++ | ++ | S | ||
| 20 | +? | ++ | Value of increased flexibility is unclear | E | |
| 21 | -- | ++ | Manufacturing costs are three times higher | D, E, S | |
| 22 | ++ | -- | Results depend strongly on machine settings; there are some cases where synergies can be achieved | D, E, F, I | |
| 23 | + | ++ | D, E, F, H | ||
| 24 | ++ | ++ | L, T | ||
| 25 | +? | ++ | No details about economic effect of reduced cycle time and higher productivity | G, L, M, T | |
| 26 | ++ | + | Comparison of two technologies: the one claimed more sustainable scores worse in some aspects such as resource consumption | E, F | |
| 27 | ++ | +? | No details about ecological effect of recycling | P | |
| 28 | +? | ++ | No details about economic effect of changed throughput | M, T | |
| 29 | ++ | ++ | F, I, M, T | ||
| 30 | +? | ++ | No details about extent of increased profits | E | |
| 31 | ++ | ++ | D, F, L | ||
| 32 | ++ | +? | No details about ecological effect of recycling | D, H, R | |
| 33 | + | ++ | L | ||
| 34 | ++ | ++ | E, H | ||
| 35 | ++ | +? | No reference value for resource savings | H | |
| 36 | ++ | ++ | D, E, H | ||
| 37 | ++ | +? | No details about ecological effect of replacing coolants | E, F, I | |
| 38 | ++ | ++ | E, H | ||
| 39 | ++ | ++ | E, F, H | ||
| 40 | ++ | ++ | A, D, E | ||
| 41 a-d | ++ | +? | No reference value for ecological effect of recycling | P | |
| 42 | + | +? | No reference value for avoided emissions | H | |
| 43 | +? | ++ | No reference value for cost savings | L, T | |
| 44 | +? | +? | Effects are not quantified | I, L, T | |
| 45 | ++ | +? | No reference value for resource savings | D, E, F, I | |
| 46 | +? | +? | Effects are not quantified | E, I, R, T | |
| 47 | ++ | ++ | D, Q | ||
| 48 | +? | +? | No reference value for increased profits; no values for emission decrease and resource savings | N | |
| 49 | ++ | ++ | B, G, K, L | ||
| 50 | ++ | ++ | L, M | ||
| 51a | -- | + | Case 1: waste reduction might be caused by lower sales or the like | L | |
| 51b | ++ | ○ | Case 2: waste stayed on same level | ||
| 51c | - | -- | Case 3 | ||
| 51d | ++ | - | Case 4 | K, L | |
| 51e | + | ○ | Case 5: waste stayed on same level | L | |
| 51f | -- | -- | Case 6 | K, L | |
| 51g | - | - | Case 7 | L | |
| 51h | ++ | -- | Case 8 | ||
| 52 | ++ | ++ | G, L, T | ||
| 53 | ++ | +? | No details about ecological effect of avoided coolants | E, F, I, T | |
| 54a | ++ | +? | No details about ecological effect of replacing resources for all mentioned cases | F, K, P | |
| 54b | + | ||||
| 54c | + | ||||
| 55a | ++ | +? | Case 1: No reference value for reduced gas consumption | C, E, G, J, L, Q, T | |
| 55b | +? | +? | Case 2: No details about extent of improved productivity; no reference value for reduced waste and water consumption | B, G | |
| 55c | +? | +? | Case 3: No details about reduced work hours (declared as “significant”); reference value for avoided waste | E, G, H | |
| 55d | ++ | ++ | Case 4 | G, H, K | |
| 55e | +? | +? | Case 5: No details about reduced downtime and product handling; no reference value for reduced waste | E, G, I | |
| 55f | +? | +? | Case 6: No details about reduced cycle time; no reference value for avoided waste | E, G, Q | |
| 56 | ++ | ++ | H | ||
| 57 | ++ | ++ | H, L, M, O | ||
| 58a | ++ | ++ | Case 1 | E, F, I | |
| 58b | ++ | +? | Case 2: No details reduced emissions and waste | ||
| 59 | ++ | ++ | C, R | ||
| 60 | ++ | ++ | P | ||
| 61 | ++ | + | For some solutions the environmental impact per unit produced increases sharply as productivity increases | N, O | |
| 62 | +? | ++ | No details about productivity increase | E | |
| 63 | ++ | ++ | E, H | ||
| 64 | ++ | +? | No reference value for resource savings | A | |
| 65 | + | ++ | D, H | ||
| 66 | +? | ++ | No details about reduced costs | K, P | |
Note(s): A: IoT, digitalization, artificial intelligence; B: changed layout (incl. rearranging processes/stations); C: retrofitting of material flow (addressing bottlenecks); D: retrofitting of equipment (energy-efficiency, low-pollution); E: retrofitting enabling new options/processes; F: change of used material, chemical composition, supplies; G: Six Sigma; H: internal recirculation and waste utilization (incl. cogeneration); I: reduced need of operating supplies; J: reduced transportation effort; K: sourcing/procurement; L: lean (5S, JIT, Kaizen, …); M: changed machine setting/calibration (incl. switch-off during non-activity); N: change of batch size; O: resource leveling; P: exchange of by-products (external); Q: automation; R: process integration; S: additive manufacturing; T: changes in time (idle time, shifts, cycle time, utilization)
Source(s): Authors’ own elaboration
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