Feasibility Analysis for Energy Production from Sugarcane Residues in Peru

2014 ◽  
Vol 704 ◽  
pp. 491-496
Author(s):  
Daniel Marcelo ◽  
Jorge Augusto Estremadoyro Ruiz

The scope of this paper is to make a feasibility analysis for energy production from sugarcane residues in Peru. Therefore, it is shown the history, methods, current scenario and future prospects of sugarcane plantations related to the ethanol industry and the sugar industry. Bagasse is a mill residue, produced after sugarcane juice which is extracted from the sugarcane. Nowadays this residue is burnt in boilers and this energy is used to generate steam. On the other hand, harvest residues represent a significant part of the energy contained in the sugarcane, but it is left in the field, or worse; burnt before the harvest. On this paper methods for optimizing the energy use are presented. There will also be shown an estimated value of the electricity generation potential from sugarcane residues.

2019 ◽  
pp. 230-237
Author(s):  
Albert Olotuah A ◽  
Rukayyatu Tukur B ◽  
Kingsley Dimuna O ◽  
Abiodun Olotuah O ◽  
Olutunde Adesiji S ◽  
...  

In the phenomenal urban growth of cities Nigeria has experienced poor and haphazard urban planning. The cities are generally characterized by poor and inadequate and inefficient urban services and infrastructure. Energy use is closely related to the level of productivity in business and other activities. A primary challenge to the business environment in Nigeria is the deficit in infrastructure. The estimated energy need for Nigeria is 98,000MW per day. The country however generates an average of 3,500MW daily only. The result is an alarming shortage of 94,500MW daily. The low power supply makes electricity costly. Consequently the operating costs for businesses are usually high as electricity is indispensable in the running of businesses. The objective of this paper is the examination of the use of renewable energy in Nigeria particularly with regard to building an enabling business environment in Nigeria. This is in view of the incidence of urban poverty experienced in the country and its impact on the Nigerian business climate. The paper examines the urbanisation process in Nigeria and the resultant socio-economic downturn emanating from it. It asserts that phenomenal urban poverty, particularly infrastructural decay such as electricity supply has been experienced in the country which has been a handicap to the growth of the business environment in the country. The paper examines the energy situation in the country, and electricity generation and distribution. It critically examines an alternative direction of energy production and transmission in Nigeria, which is the resort to resources of renewable energy. Nigeria has an abundance of the resources such as solar, wind, hydroelectricity, and biomass. Policies, programmes, and strategies of renewable energy are examined in the paper. The paper concludes that the development would be an important key to building an enabling business environment in Nigeria.


2019 ◽  
Vol 30 (4) ◽  
pp. 25-35
Author(s):  
Iwona Kargulewicz ◽  
Damian Zasina

Abstract The structure of fuels consumed for energy production and the amount of CO2 emissions associated with that production in Poland in 1990–2017 and in other selected European countries were presented. The countries to be compared were selected so that the analysed group was diverse in terms of electricity generation conditions. CO2 emission intensity from electricity production for Poland were estimated and compared with the average intensity for the EU and for the other selected European countries. Additionally, CO2 emission in the electricity and commercial heat production sector projected until 2040 was included to present the impact of the fuel mix on the emission results.


Author(s):  
I. Kukhtevich

Functional autonomic disorders occupy a significant part in the practice of neurologists and professionals of other specialties as well. However, there is no generally accepted classification of such disorders. In this paper the authors tried to show that functional autonomic pathology corresponds to the concept of somatoform disorders combining syndromes manifested by visceral, borderline psychopathological, neurological symptoms that do not have an organic basis. The relevance of the problem of somatoform disorders is that on the one hand many health professionals are not familiar enough with manifestations of borderline neuropsychiatric disorders, often forming functional autonomic disorders, and on the other hand they overestimate somatoform symptoms that are similar to somatic diseases.


2014 ◽  
pp. 691-697
Author(s):  
Suleiman José Hassuani

The sugarcane industry for a long time has focused only on the cane juice, its extraction and conversion to sugar. Bagasse was considered a residue and burnt inefficiently to generate steam and power. In the last decades, bagasse gradually started to be converted into energy in a more efficient way, supplying all the sugar industry energy needs (power, and steam) and, in some cases, significant excess electricity has been exported to the grid, becoming another important source of revenue. This motivated several studies of more advanced energy generation systems to boost energy exports. In more recent years, technologies called 2nd and 3rd generation have taken over the scene with many options, promising to convert biomass into more valuable products such as biofuels, chemicals, fertilisers, pellets, etc. Unfilled expectations and opportunities are rising. On the other hand, these technologies are competing for the same biomass, and this has to be considered. The industry has started to question ‘which way to go’, strategy and investment wise. The present study provides a broad scenario for the biomass availability, and its employment, with a close view to the main processes and products that might have an important role in the future of the biomass in the sugarcane industry.


2014 ◽  
Vol 13 (2) ◽  
pp. 290-298 ◽  
Author(s):  
Tanveer Dar ◽  
Ishfaq Sheikh ◽  
Showkat Ganie ◽  
Riyasat Ali ◽  
Laishram Singh ◽  
...  

2020 ◽  
Vol 7 (01) ◽  
Author(s):  
ATIQUR RAHMAN

Solar energy use for groundwater abstraction is one of the most viable options for smallholders’ irrigation in current scenario of increasing fuel prices. Therefore, the dissemination and adoption of solar pumps of low capacities among these farmers is in demand. In this paper a case study was in eastern region to assess the performance of 3horsepower solar pump, as this capacity pump is currently being promoted by the governments to small farmers at subsidised rates. In eastern region where groundwater regime in most of the area is ranging5-10 m bgl with annual fluctuation of ±2 to ±4 m, and abstracted groundwater by a 3 horsepower solar pumpis rangedfrom 100-173 m3/day, depending upon the months on a bright day. Thispump also offers a delivery pressure head 1.0- 1.5 kg/cm2, and therefore facilitates pressured irrigation for improved water use efficiency.


Author(s):  
W. Holmes

With our increased knowledge of genetics and our ability to control breeding populations of farm animals we are now in a position to select for optimum size if we can define it. A consideration of size in relation to nutritional efficiency therefore becomes relevant. (I confine myself to nutritional efficiency since this was my remit, but of course there are many non-nutritional aspects of productivity which also may be related to size, e.g. larger animals need less labour or housing per unit of production; smaller animals may yield more suitable carcasses for some markets, and these may indeed be more important economically than nutritional efficiency.) Nutritional efficiency will be considered in relation to energy use, since energy is normally the limiting nutrient, and the concentration of the other nutrients, proteins, minerals and vitamins can be varied by adding supplements to the diet.


2009 ◽  
Vol 5 (H15) ◽  
pp. 304-304
Author(s):  
J. C. Berengut ◽  
V. A. Dzuba ◽  
V. V. Flambaum ◽  
J. A. King ◽  
M. G. Kozlov ◽  
...  

Current theories that seek to unify gravity with the other fundamental interactions suggest that spatial and temporal variation of fundamental constants is a possibility, or even a necessity, in an expanding Universe. Several studies have tried to probe the values of constants at earlier stages in the evolution of the Universe, using tools such as big-bang nucleosynthesis, the Oklo natural nuclear reactor, quasar absorption spectra, and atomic clocks (see, e.g. Flambaum & Berengut (2009)).


Energies ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 2282
Author(s):  
Sanjeet Mehariya ◽  
Rahul Kumar Goswami ◽  
Pradeep Verma ◽  
Roberto Lavecchia ◽  
Antonio Zuorro

The increasing world population generates huge amounts of wastewater as well as large energy demand. Additionally, fossil fuel’s combustion for energy production causes the emission of greenhouse gases (GHG) and other pollutants. Therefore, there is a strong need to find alternative green approaches for wastewater treatment and energy production. Microalgae biorefineries could represent an effective strategy to mitigate the above problems. Microalgae biorefineries are a sustainable alternative to conventional wastewater treatment processes, as they potentially allow wastewater to be treated at lower costs and with lower energy consumption. Furthermore, they provide an effective means to recover valuable compounds for biofuel production or other applications. This review focuses on the current scenario and future prospects of microalgae biorefineries aimed at combining wastewater treatment with biofuel production. First, the different microalgal cultivation systems are examined, and their main characteristics and limitations are discussed. Then, the technologies available for converting the biomass produced during wastewater treatment into biofuel are critically analyzed. Finally, current challenges and research directions for biofuel production and wastewater treatment through this approach are outlined.


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