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1. Supersonic separator for cleaner offshore processing of natural gas with high carbon dioxide content: Environmental and economic assessments

Author:
Arinelli, Lara de Oliveira; Teixeira, Alexandre Mendonça; de Medeiros, José Luiz; Araújo, Ofélia de Queiroz F.
Source:
Journal of cleaner production 2019 v.233 pp. 510-521
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; carbon; carbon dioxide; economic performance; environmental impact; manufacturing; natural gas; oils; separators;     Show all 9 Subjects
Abstract:
... Supersonic separators offer a cleaner offshore processing of natural gas with carbon dioxide content from deep-water oil-gas fields. Conventional offshore gas processing comprises water dew-point adjustment via glycol-absorption, hydrocarbon dew-point adjustment via Joule-Thomson expansion, and carbon dioxide removal via membrane-permeation. Alternative processing contemplates the use of supersoni ...
DOI:
10.1016/j.jclepro.2019.06.115

2. Role of the use phase and pavement-vehicle interaction in comparative pavement life cycle assessment as a function of context

Author:
Xu, Xin; Akbarian, Mehdi; Gregory, Jeremy; Kirchain, Randolph
Source:
Journal of cleaner production 2019 v.230 pp. 1156-1164
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; climate; environmental impact; life cycle assessment; models; pavements; roads; traffic; uncertainty;     Show all 9 Subjects
Abstract:
... While many pavement life cycle assessment (LCA) studies have been performed over the last decade, one of the most important advances and challenges is quantifying the impacts of various components during the use phase of pavements. The goal of this research is to understand the role of the use phase, particularly pavement-vehicle interaction (PVI), in pavement LCAs, and how use phase impacts vary ...
DOI:
10.1016/j.jclepro.2019.05.009

3. CONCRETop method: Optimization of concrete with various incorporation ratios of fly ash and recycled aggregates in terms of quality performance and life-cycle cost and environmental impacts

Author:
Kurda, Rawaz; de Brito, Jorge; Silvestre, José D.
Source:
Journal of cleaner production 2019 v.226 pp. 642-657
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; concrete; durability; environmental impact; fly ash; global warming; inventories; residential housing;     Show all 8 Subjects
Abstract:
... This study shows how to optimize traditional and non-traditional concrete mixes from various perspectives, specifically technical performance (e.g. mechanical and durability characteristics), and economic (cost) and environmental (e.g. global warming and energy consumption) life cycle. Firstly, the weight to be considered for each of these perspectives (dimensions) of performance depends on the co ...
DOI:
10.1016/j.jclepro.2019.04.070

4. Pinch analysis for targeting desalinated water price subsidy

Author:
Jia, Xiaoping; Zhang, Lanxin; Li, Zhiwei; Tan, Raymond R.; Dou, Jianghai; Foo, Dominic C.Y.; Wang, Fang
Source:
Journal of cleaner production 2019 v.227 pp. 950-959
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; case studies; desalination; economic development; environmental impact; freshwater; prices; seawater; supply balance; water supply;     Show all 10 Subjects
Abstract:
... Seawater desalination is useful for supplementing the freshwater supply to coastal industrial parks. However, high cost and energy consumption is a serious disadvantage of typical desalination plants. Subsidy from government can incentivize investments to increase supply of desalinated water. However, the subsidy must be calibrated to minimize cost to the public. A graphical pinch analysis method ...
DOI:
10.1016/j.jclepro.2019.03.332

5. Empirical power consumption model for rotational axes in machine tools

Author:
Yoon, Hae-Sung; Singh, Eshank; Min, Sangkee
Source:
Journal of cleaner production 2018 v.196 pp. 370-381
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; energy; environmental impact; geometry; models;     Show all 5 Subjects
Abstract:
... A machine-based power consumption model was developed to cope with a wide variety of machine tool configurations. By focusing on machine components, power consumption can be measured readily and reconfigured per individual component. This research focused mainly on feed drive units of machine tools, and particularly the power characteristics of rotational axes. Although numerous studies have inves ...
DOI:
10.1016/j.jclepro.2018.06.028

6. Contribution of human labor to emissions from waste collection

Author:
Di Maria, Francesco; Sisani, Federico; Contini, Stefano
Source:
Journal of cleaner production 2019 v.231 pp. 509-519
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; bags; collectors; ecotoxicology; emissions; energy; environmental impact; freshwater; fuels; humans; labor; ozone depletion; toxicity; uncertainty analysis; wastes;     Show all 15 Subjects
Abstract:
... Environmental impact studies are generally focused on the functional unit of the system investigated, neglecting that a given fraction of the goods, services, energy and fuel produced by modern economies are used by workers for carrying out their work within the same system. Hence, the aim of the present study was to assess the contribution of the emissions due to human labor compared to those gen ...
DOI:
10.1016/j.jclepro.2019.05.260

7. Environmental assessment of additive manufacturing in the automotive industry

Author:
Böckin, Daniel; Tillman, Anne-Marie
Source:
Journal of cleaner production 2019 v.226 pp. 977-987
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; additives; ecosystem services; electricity; environmental assessment; environmental impact; environmental performance; feedstocks; life cycle assessment; nickel; processing technology; steel; transportation; weight loss;     Show all 14 Subjects
Abstract:
... 3D-printing, also known as Additive Manufacturing (AM), is an emerging technology with suggested potential to decrease environmental impacts in the manufacturing industry. Potential benefits from implementing the technology include reduced product weight, transportation and material losses, as well as improved functionality and possibility for printing of spare parts. Possible drawbacks are increa ...
DOI:
10.1016/j.jclepro.2019.04.086

8. Utilizing coral waste and metakaolin to produce eco-friendly marine mortar: Hydration, mechanical properties and durability

Author:
Wang, Yunyao; Shui, Zhonghe; Gao, Xu; Huang, Yun; Yu, Rui; Li, Xiaosheng; Yang, Rui
Source:
Journal of cleaner production 2019 v.219 pp. 763-774
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; byproducts; carbon; cement; compression strength; concrete; construction materials; corals; durability; environmental impact; heat; ingredients; islands; mechanical properties; rivers; sand; wastes;     Show all 17 Subjects
Abstract:
... The shortage of construction materials for concrete production on islands far from mainland is a long-standing problem. Coral waste is a by-product during some marine engineering works and it has the potential to be recycled as concrete ingredients. The present work reports the hydration, mechanical and durability-related properties as well as the ecological impacts of marine mortars based on cora ...
DOI:
10.1016/j.jclepro.2019.02.147

9. Removal of VOCs from waste gases using various thermal oxidizers: A comparative study based on life cycle assessment and cost analysis in China

Author:
Tomatis, Marco; Moreira, Maria Teresa; Xu, Honghui; Deng, Wu; He, Jun; Parvez, Ashak Mahmud
Source:
Journal of cleaner production 2019 v.233 pp. 808-818
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; carbon dioxide; combustion; computer software; cost analysis; cost effectiveness; decision support systems; electricity; energy efficiency; energy recovery; environmental impact; gas emissions; gases; incinerators; life cycle assessment; natural gas; oxidants; volatile organic compounds; wastes; China;     Show all 20 Subjects
Abstract:
... Due to the long lifespan of thermal oxidizers (over 20 years), outdated facilities might still be operational. However, these oxidizers may not be energy efficient due to the lack of an energy recovery system. Thus, those outdated facilities need to be either retrofitted or replaced to decrease both energy and fuel consumption. In this regard, it is important to systematically assess the costs and ...
DOI:
10.1016/j.jclepro.2019.06.131

10. Reducing environmental impact of recirculating aquaculture systems by introducing a novel microaerophilic assimilation reactor: Modeling and proof of concept

Author:
Yogev, Uri; Gross, Amit
Source:
Journal of cleaner production 2019 v.226 pp. 1042-1050
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; activated sludge; ammonia; ammonium nitrogen; carbon; carbon dioxide; crude protein; denitrification; environmental impact; fish; fish feeds; microbial biomass; nitrates; nitrification; nitrites; nitrogen; recirculating aquaculture systems; solid wastes; theoretical models; toxicity; wheat flour;     Show all 21 Subjects
Abstract:
... Use of recirculating aquaculture systems (RAS) to grow fish is on the rise. Fish feed typically contains 25–60% protein and is the only significant input in RAS. Fish recover 20–30% of the applied feed as biomass, and the unassimilated nitrogen is released into the water, mainly as ammonia, which is toxic to fish. Nitrification is the most common treatment practice, converting ammonia to the less ...
DOI:
10.1016/j.jclepro.2019.04.003

11. Decentralization of the non-capital functions of Beijing: Industrial relocation and its environmental effects

Author:
Li, Tiankui; Liu, Yi; Wang, Chaoran; Olsson, Gustaf; Wang, Zishu; Wang, Hao
Source:
Journal of cleaner production 2019 v.224 pp. 545-556
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; Monte Carlo method; cities; decentralization; emissions; environmental impact; environmental law; environmental performance; environmental quality; issues and policy; models; motivation; pollutants; quantitative analysis; sustainable development; China;     Show all 16 Subjects
Abstract:
... Relocating Beijing's manufacturing industry, a key measure in the strategy for decentralizing Beijing's non-capital functions, may inadvertently increase environmental pressures in the receiving cities. This study develops a quantitative method to comprehensively identify the environmental effects caused by regional industrial relocations. First, a set of relocated industries is selected by consid ...
DOI:
10.1016/j.jclepro.2019.03.247

12. Green concrete containing diatomaceous earth and limestone: Workability, mechanical properties, and life-cycle assessment

Author:
Li, Jiaqi; Zhang, Wenxin; Li, Chen; Monteiro, Paulo J.M.
Source:
Journal of cleaner production 2019 v.223 pp. 662-679
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; air pollutants; air pollution; cement; compression strength; concrete; diatomaceous earth; environmental impact; fly ash; furnaces; global warming potential; greenhouse gas emissions; life cycle assessment; limestone; mechanical properties; primary energy; slags; sustainable manufacturing; transportation; Western United States;     Show all 20 Subjects
Abstract:
... To arrest the growth of global environmental issues, curbing the greenhouse gas emissions and primary energy consumption in concrete production is among the efficacious strategies. Cement production being the most energy- and emission-intensive activity in concrete manufacture, the partial replacement of cement clinker with supplementary cementitious materials (SCMs), which require less intensive ...
DOI:
10.1016/j.jclepro.2019.03.077

13. Resource efficiency analysis of lubricating strategies for machining processes using life cycle assessment methodology

Author:
Campitelli, Alessio; Cristóbal, Jorge; Fischer, Julia; Becker, Beatrix; Schebek, Liselotte
Source:
Journal of cleaner production 2019 v.222 pp. 464-475
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; air; aluminum; cast iron; data collection; drilling; electricity; environmental impact; equipment; fleece; hazardous waste; interviews; inventories; life cycle assessment; lubricants; lubrication; milling; oils; steel; sustainable development;     Show all 20 Subjects
Abstract:
... The enhancement of resource efficiency in the manufacturing industry is a major key to achieve sustainable development. The purpose of this paper is to investigate the resource efficiency of metal working processes using different lubrication strategies: flood lubrication (FL) and minimum quantity lubrication (MQL). Life Cycle Assessment (LCA) is a suitable methodology to assess the resource effic ...
DOI:
10.1016/j.jclepro.2019.03.073

14. Estimation of engine CO2 and NOx emissions and their correlation with the not-to-exceed zone for a tractor ploughing fields of various sizes

Author:
Janulevičius, Algirdas; Čiplienė, Aušra
Source:
Journal of cleaner production 2018 v.198 pp. 1583-1592
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; carbon dioxide; combustion; emissions; environmental impact; fuels; gases; monitoring; nitrogen oxides; plowing; soil properties; torque; tractors;     Show all 13 Subjects
Abstract:
... In agriculture, the engines of working tractors burn large quantities of fuel and emit combustion gases into the environment. Fuel consumption in field operations depends on a number of factors such as, mainly, soil properties, but also the configuration, technical properties, and management of the machinery and the selected operating modes. Therefore, a problem arises in the selection of a method ...
DOI:
10.1016/j.jclepro.2018.07.078

15. Modifying the settings of CTL timber harvesting machines to reduce fuel consumption and CO2 emissions

Author:
Prinz, Robert; Spinelli, Raffaele; Magagnotti, Natascia; Routa, Johanna; Asikainen, Antti
Source:
Journal of cleaner production 2018 v.197 pp. 208-217
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; carbon dioxide; computer software; energy; entrepreneurship; environmental impact; fuels; greenhouse gas emissions; harvesters; harvesting; logging; pollution;     Show all 12 Subjects
Abstract:
... The objectives of this study were to examine the possibility of reducing the fuel consumption and CO2 emissions of harvesters during cut-to-length operations by applying various technical settings to the machine through the machine's own software package. The adjustment of machine settings had an effect on the fuel consumption per unit product (l m−3) and can reduce the fuel consumption and CO2 em ...
DOI:
10.1016/j.jclepro.2018.06.210

16. Conversion of organic resources by black soldier fly larvae: Legislation, efficiency and environmental impact

Author:
Bosch, G.; van Zanten, H.H.E.; Zamprogna, A.; Veenenbos, M.; Meijer, N.P.; van der Fels-Klerx, H.J.; van Loon, J.J.A.
Source:
Journal of cleaner production 2019 v.222 pp. 355-363
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; European Union; Hermetia illucens; animal manures; biomass; chickens; distillers grains; environmental impact; fish; fish meal; food chain; food production; food waste; global warming potential; ingredients; insect larvae; insects; land use; laws and regulations; life cycle assessment; meat; protein sources; rearing; soybean meal; swine;     Show all 25 Subjects
Abstract:
... To meet the projected substantial growth in the global demand for meat, we are challenged to develop additional protein-rich feed ingredients while minimizing the use of natural resources. The larvae of the black soldier fly (BSF) have the capacity to convert low-value organic resources into a high quality protein source for pigs, chickens and fish and as such may increase both the productivity an ...
DOI:
10.1016/j.jclepro.2019.02.270

17. Technical evaluation of calcium sulphate α-hemihydrate in oilwell application: An alternative to reduce the environmental impacts of Portland cement

Author:
Meireles, Petrucia D.S.; Pereira, Dennys S.S.; Melo, Marcus A.F.; Braga, Renata M.; Freitas, Julio C.O.; Melo, Dulce M.A.; Silvestre, F.R.S.
Source:
Journal of cleaner production 2019 v.220 pp. 1215-1221
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; X-ray diffraction; X-ray fluorescence spectroscopy; additives; calcium sulfate; carbon dioxide; cement; compression strength; differential thermal analysis; drilling; environmental impact; greenhouse gas emissions; gypsum; industry; oil fields; oils; raw materials; rheology; scanning electron microscopy; slurries; sodium borate; temperature; thermal properties; thermogravimetry; wells;     Show all 25 Subjects
Abstract:
... The oil industry has been drilling wells since the last century using Portland cement as a cementing basic material. There are several environmental impacts associated with the Portland cement production from the raw materials extraction to the macro impact generated by clinkerization such as the emission of greenhouse gases, mainly carbon dioxide (CO2), combined with huge energy consumption for i ...
DOI:
10.1016/j.jclepro.2019.02.120

18. Life cycle assessment of sea cucumber production: A case study, China

Author:
Hou, Haochen; Shao, Shuai; Zhang, Yun; Kang, Hong; Qin, Chenglu; Sun, Xiaoyang; Zhang, Shushen
Source:
Journal of cleaner production 2019 v.213 pp. 158-164
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; Apostichopus; aquaculture; breeding; business enterprises; case studies; computer software; ecotoxicology; electricity; energy; environmental impact; environmental performance; freezing; harvesting; issues and policy; juveniles; life cycle assessment; natural gas; nuclear power; oxygen; planting; pollution; recycling; salting; solar energy; wastes; water requirement; water temperature; China;     Show all 29 Subjects
Abstract:
... Environmental pollution caused by aquaculture production has become an increasing problem in China. In the present study, life cycle assessment (LCA) was used to evaluate and analyze the environmental impact of sea cucumber (Apostichopus japonicas) production in Dalian as an example for Chinese aquaculture cleaner production (CP) research. The production process included three stages: feeding, far ...
DOI:
10.1016/j.jclepro.2018.12.141

19. Environmental benefit of utilizing bamboo material based on life cycle assessment

Author:
Chang, Fang-Chih; Chen, Kun-Sheng; Yang, Ping-Yuan; Ko, Chun-Han
Source:
Journal of cleaner production 2018 v.204 pp. 60-69
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; bamboos; carbon sequestration; concrete; drying; ecosystem services; energy; energy conservation; environmental impact; equipment; global warming; heat treatment; issues and policy; life cycle assessment; pressing;     Show all 15 Subjects
Abstract:
... This study focuses on the production chains that produce plybamboo for use. The production chains were investigated using a life cycle assessment (LCA) approach, which takes into account all of the input and output flows occurring along the production chain. The results show that the major processing type of plybamboo production is mechanical processing. The characterization of various materials d ...
DOI:
10.1016/j.jclepro.2018.08.248

20. Reducing energy consumption and carbon emissions of magnesia refractory products: A life-cycle perspective

Author:
An, Jing; Li, Yingnan; Middleton, Richard S.
Source:
Journal of cleaner production 2018 v.182 pp. 363-371
ISSN:
0959-6526
Subject:
energy use and consumption,   etc   ; bricks; carbon; carbon dioxide; carbon markets; carbon sequestration; development planning; emissions; energy; environmental impact; furnaces; industry; issues and policy; magnesium oxide; China;     Show all 15 Subjects
Abstract:
... China is the largest producer of magnesia refractory materials and products in the world, resulting in significant energy consumption and carbon emissions. This study analyzes measures to reduce both the energy consumption and carbon emissions in the production phase and use phase, providing a theoretical basis for a sustainable magnesia refractory industry. Results show that the total carbon emis ...
DOI:
10.1016/j.jclepro.2018.01.266