scholarly journals Biogas Production by Pilot-Scale Anaerobic Co-Digestion and Life Cycle Assessment Using a Real Scale Scenario: Independent Parameters and Co-Substrates Influence

Processes ◽  
2021 ◽  
Vol 9 (11) ◽  
pp. 1875
Author(s):  
Jhessica Mosquera ◽  
Carol Rangel ◽  
Jogy Thomas ◽  
Angelica Santis ◽  
Paola Acevedo ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Biogas Production ◽  
Scale Up ◽  
Pilot Scale ◽  
Industrial Sector ◽  
Potential Effect ◽  
Organic Loading Rate ◽  
Environmentally Sustainable ◽  
Real Scale

This study evaluates the performance of different agricultural by-products to identify the potential effect of independent variables, using as the dependent variable the biogas production. A Box–Behnken experimental design was carried out in a pilot-scale plant of four stirred stainless-steel digesters under mesophilic semi-continuous digestion. The results obtained support the creation of a technical framework to scale up the process and further evaluation of the potential environmental impacts through life cycle assessment (LCA) methodology. A stable behaviour was achieved in 12 of the 13 experiments proposed. The highest value of daily biogas production was 2200.15 mL day−1 with a stabilization time of 14 days, an organic loading rate of 4 g VS feed daily, low C/N ratio and a 1:1 relation of nitrogen providers. The concentrations of CH4 remained stable after the production stabilization and an average biogas composition of 60.6% CH4, 40.1% CO2 and 0.3% O2 was obtained for the conditions mentioned above. Therefore, the real scale plant was estimated to manage 2.67 tonnes of residual biomass per day, generating 369.69 kWh day−1 of electricity. The LCA analysis confirms that the co-digestion process evaluated is a feasible and environmentally sustainable option for the diversification of the Colombian energy matrix and the development of the agro-industrial sector.

scholarly journals Biogas Generation from Co-Digestion Waste Systems: The Role of Water Hyacinth

2022 ◽  
Author(s):  
Adedeji A. Adelodun ◽  
Temitope M. Olajire ◽  
Ochuko Mary Ojo
Keyword(s):  
Water Hyacinth ◽  
Aquatic Macrophyte ◽  
Biogas Production ◽  
Scale Up ◽  
Environmentally Benign ◽  
Organic Loading Rate ◽  
Eichornia Crassipes ◽  
Poultry Droppings ◽  
Pig Wastes

Using biomass as a renewable energy source has earned tremendous interest from researchers in recent decades, especially because the technology is environmentally benign. This article reviews the recent methods for generating biogas from water hyacinth (WH, Eichornia crassipes), arguably the world’s most evasive aquatic macrophyte. Therefore, various economic, environmentally benign, and renewable procedures that enhance biogas production from WH biomass are reviewed. WH has been co-digested with numerous waste types, including poultry droppings, municipal wastes, animal tissue wastes, pig wastes, cow dungs, etc., recording varying success degrees. Other studies focused on optimizing the operation parameters, such as mixing ratio, contact time, pH, temperature, organic loading rate, etc. We observed that most attempts to generate biogas from WH alone were not promising. However, when co-digested with other biomasses or wastes, WH either increases the process rate or improves the methane yield content. Also, the potential of WH as a phytoremdiator-cum-biogas source was investigated. This chapter provides mathematical models, scale-up installation models, and specific experimental results from various studies to guide future study plans toward optimizing CH4 generation from WH co-digestion.

P&G: Providing Sustainable Innovative Products through LCA Worldwide

2013 ◽  
Vol 2 (1) ◽  
pp. 85-96 ◽  
Author(s):  
Raveesh Agarwal ◽  
Monica Thiel
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Everyday Life ◽  
Product Portfolio ◽  
Environmentally Sustainable ◽  
Trade Offs ◽  
The World ◽  
Scientific Approach ◽  
Innovative Products ◽  
Owned Company

Procter and Gamble (P&G) is a publicly owned company which touches the lives of about four billion people around the world with its product portfolio. P&G is committed to improving people’s everyday life by making products more environmentally sustainable. To understand how P&G can make products more environmentally sustainable, the present case focuses on the scientific approach called Life Cycle Assessment (LCA) adopted by P&G to deliver sustainable innovations without trade-offs in performance or value of the products.

scholarly journals Life Cycle Assessment (LCA) of Cross-Laminated Timber (CLT) Produced in Western Washington: The Role of Logistics and Wood Species Mix

2019 ◽  
Vol 11 (5) ◽  
pp. 1278 ◽  
Author(s):  
Cindy Chen ◽  
Francesca Pierobon ◽  
Indroneil Ganguly
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impacts ◽  
Wood Species ◽  
Picea Sitchensis ◽  
Wood Products ◽  
Cross Laminated Timber ◽  
Environmentally Sustainable ◽  
Western Washington ◽  
Manufacturing Facilities

The use of cross-laminated timber (CLT), as an environmentally sustainable building material, has generated significant interest among the wood products industry, architects and policy makers in Washington State. However, the environmental impacts of CLT panels can vary significantly depending on material logistics and wood species mix. This study developed a regionally specific cradle-to-gate life cycle assessment of CLT produced in western Washington. Specifically, this study focused on transportation logistics, mill location, and relevant wood species mixes to provide a comparative analysis for CLT produced in the region. For this study, five sawmills (potential lamstock suppliers) in western Washington were selected along with two hypothetical CLT mills. The results show that the location of lumber suppliers, in reference to the CLT manufacturing facilities, and the wood species mix are important factors in determining the total environmental impacts of the CLT production. Additionally, changing wood species used for lumber from a heavier species such as Douglas-fir (Pseudotsuga menziesii) to a lighter species such as Sitka spruce (Picea sitchensis) could generate significant reduction in the global warming potential (GWP) of CLT. Given the size and location of the CLT manufacturing facilities, the mills can achieve up to 14% reduction in the overall GWP of the CLT panels by sourcing the lumber locally and using lighter wood species.

scholarly journals Performance Evaluation of Sewage Treatment Plants in Lucknow City

2013 ◽  
Vol 12 ◽  
pp. 80-86 ◽  
Author(s):  
Mansi Tripathi ◽  
S. Singal
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Biogas Production ◽  
Sewage Treatment ◽  
Uasb Reactor ◽  
Sewage Treatment Plants ◽  
Energy And Environment ◽  
Design Value ◽  
Domestic Effluent ◽  
Better Than

The present study was conducted to evaluate the performance of existing sewage treatment plants (STPs) in Lucknow City of India. Currently, two STPs are operating in Lucknow, i.e., UASB reactor and FAB reactor, with total operating capacity of 345MLD and 56MLD, respectively. Since, the wastewater get mix with the domestic effluent while directing towards the STPs, therefore, the concentration of BOD is relatively very low, and hence the amount of biogas production by the UASB reactor is also reduced than its design value. Two approaches, evaluating the treatability performance and Life-Cycle Assessment (LCA) have been used to determine the plants efficiencies. All the results have been interpreted graphically. The results of this study conclude that the UASB reactor is better than the FAB, however in terms of LCA the FAB seems to be more reliable. Hydro Nepal; Journal of Water, Energy and Environment Vol. 12, 2013, January Page: 80-86DOI: http://dx.doi.org/10.3126/hn.v12i0.9039 Uploaded Date : 10/29/2013

Life cycle assessment of green pilot-scale extraction processes to obtain potent antioxidants from rosemary leaves

2012 ◽  
Vol 72 ◽  
pp. 205-212 ◽  
Author(s):  
Irene Rodríguez-Meizoso ◽  
María Castro-Puyana ◽  
Pål Börjesson ◽  
Jose A. Mendiola ◽  
Charlotta Turner ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Pilot Scale ◽  
Extraction Processes

From laboratory to industrial scale: a scale-up framework for chemical processes in life cycle assessment studies

2016 ◽  
Vol 135 ◽  
pp. 1085-1097 ◽  
Author(s):  
Fabiano Piccinno ◽  
Roland Hischier ◽  
Stefan Seeger ◽  
Claudia Som
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Scale Up ◽  
Chemical Processes ◽  
Industrial Scale
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