Water reuse in the Apatlaco River Basin (México): a feasibility study

2004 ◽  
Vol 50 (2) ◽  
pp. 329-337 ◽  
Author(s):  
G. Moeller-Chavez ◽  
L. Seguí-Amórtegui ◽  
O. Alfranca-Burriel ◽  
V. Escalante-Estrada ◽  
F. Pozo-Román ◽  
...  
Keyword(s):  
River Basin ◽  
Water Reuse ◽  
Net Present Value ◽  
Economic Feasibility ◽  
Present Value ◽  
Useful Life ◽  
Industrial Reuse ◽  
Economical Feasibility ◽  
Water Uses

The aim of this work is to determine the technical and economic feasibility of implementing different reclamation and reuse projects that improve the quality of the Apatlaco river basin located in the central part of Mexico. A special methodology based on a decision support system was developed. This methodology allows to decide if it is convenient or not to finance a reclamation or reuse project for the most common water uses in the basin. This methodology is based on the net present value criteria (NPV) of the effective cash flow during the useful life of the project. The results obtained reveal a technical and economical feasibility for industrial reuse in Jiutepec and for agricultural reuse in Zacatepec and Emiliano Zapata. On the other hand, sanitation projects are not feasible in all cases analyzed. Therefore, Mexican Regulation (Ley Federal de Derechos en Materia de Agua) as currently implemented, does not promote and support this kind of projects.

Assessing the Benefits and Economic Feasibility of Stand Improvement for Central Hardwood Forests

2021 ◽  
Author(s):  
Yangyang Wang ◽  
Wu Ma ◽  
Lenny D Farlee ◽  
Elizabeth A Jackson ◽  
Guofan Shao ◽  
...  
Keyword(s):  
River Basin ◽  
Environmental Quality ◽  
Net Present Value ◽  
Economic Feasibility ◽  
Management Tool ◽  
Study Region ◽  
White River ◽  
Incentive Programs ◽  
Incentive Program ◽  
Quality Incentive

Abstract Stand improvement (SI) has been widely accepted as an effective forest management tool. Yet most studies on its economic feasibility for nonindustrial private forest (NIPF) landowners are outdated and focus on the single stand level. The objective of this study was to conduct an economic assessment of SI’s effects and feasibility in hardwood stands for a case study in the White River Basin in Indiana. It is shown that SI could make these forests more productive and sustainable than the prevalent “hands-off” practice by enhancing the timber value of the residual stand (TV), generating regular timber income, and to some degree, reversing the decline in oak dominance. On average, a 25% increment in the TV could be achieved. Although costly for some NIPFs, once combined with voluntary financial incentive programs, SI could meet landowners’ demands for low-cost, high-return investment options. In particular, participation in the Environmental Quality Incentive Program could, on average, increase the net present value of timber income from thinning activities by nearly $1,600 per hectare over the course of 30 years. The spatial analysis revealed that there existed considerable spatial heterogeneity in SI benefits and impacts, suggesting that public incentive programs should be spatially targeted to achieve greater efficiency. Study Implications This study found that stand improvement (SI) could significantly improve the timber value of forestland in the central hardwood region. Participation in voluntary conservation programs, such as the Environmental Quality Incentive Program, could alleviate part of the SI cost thus making it an attractive investment opportunity for private landowners. For the study region, the White River Basin in Indiana, the results suggested that there existed substantial variations in SI’s effectiveness across space. This implied that program administrators of voluntary incentives could improve the efficiency of public funds allocation by considering this spatial variation when evaluating landowners’ applications for incentives.

Economic considerations and decision support tool for wastewater reuse scheme planning

2007 ◽  
Vol 56 (5) ◽  
pp. 175-182 ◽  
Author(s):  
R. Hochstrat ◽  
D. Joksimovic ◽  
T. Wintgens ◽  
T. Melin ◽  
D. Savic
Keyword(s):  
Water Reuse ◽  
Net Present Value ◽  
Wastewater Reuse ◽  
Reclaimed Water ◽  
Decision Support Tool ◽  
Critical Issue ◽  
Economic Feasibility ◽  
Support Tool ◽  
The Cost ◽  
Economic Considerations

The reuse of upgraded wastewater for beneficial uses is increasingly adopted and accepted as a tool in water management. However, funding of schemes is still a critical issue. The focus of this paper is on economic considerations of water reuse planning. A survey of pricing mechanisms for reclaimed water revealed that most schemes are subsidised to a great extent. In order to minimise these state contributions to the implementation and operation of reuse projects, their planning should identify a least cost design option. This also has to take into account the established pricing structure for conventional water resources and the possibility of gaining revenues from reclaimed water pricing. The paper presents a case study which takes into account these aspects. It evaluates different scheme designs with regard to their Net Present Value (NPV). It could be demonstrated that for the same charging level, quite different amounts of reclaimed water can be delivered while still producing an overall positive NPV. Moreover, the economic feasibility and competitiveness of a reuse scheme is highly determined by the cost structure of the conventional water market.

scholarly journals Studi Kelayakan Ekonomis Rencana Pembangunan Pelabuhan Sungai Liong Desa Berancah Kabupaten Bengkalis

2019 ◽  
Vol 3 (2) ◽  
pp. 146
Author(s):  
Nur Rahmani ◽  
Akmal Lazuardy
Keyword(s):  
Net Present Value ◽  
Payback Period ◽  
Economic Feasibility ◽  
Rate Of Return ◽  
Cost Ratio ◽  
Internal Rate Of Return ◽  
Benefit Analysis ◽  
Present Value ◽  
The Government ◽  
The Cost

The fish shelter port (TPI) is a need that needs to be prepared by local village officials and the government for every coastal village in Bengkalis Regency. This research was conducted in the Berancah village of Bantan District. The analysis in this study describes the economic feasibility mathematically for the construction of a fish storage port (TPI) by calculating the cost ratio (B / C ratio) benefit analysis, payback period (PP), net present value (NPV), and internal rate of return ( IRR). The results obtained from the NPV value (3,661,267,645), BCR value (0.943), IRR value of 10.01%, and PP are in the period of 30 years. Taken as a whole by standardizing the calculations, it can be concluded that the planned construction of a fish shelter in Berancah village is considered not economically feasible, but economic analysis is not merely a benchmark for feasibility, reviewed for the future many benefits will be received by the community around the location of the development plan so that it can improve the welfare of the community in Berancah village.

scholarly journals Sustainability and feasibility assessments of nanobubble aeration technology in economic-socio environment of Penaeus vannamei shrimp farming

2021 ◽  
Vol 33 ◽  
pp. 05005
Author(s):  
Lily Susanti ◽  
Suyud Warno Utomo ◽  
Noverita Dian Takarina
Keyword(s):  
Net Present Value ◽  
Ammonia Nitrogen ◽  
Payback Period ◽  
Economic Feasibility ◽  
Shrimp Farming ◽  
Penaeus Vannamei ◽  
Present Value ◽  
Community Members ◽  
The Social ◽  
Total Ammonia

Penaeus vannamei shrimp farming in Indonesia is faced with several challenges in the environmental, economic, and social aspects. Therefore, this study aims to assess the benefits of novel nanobubble aeration systems for the ecosystem, businesses, and communities. This is an experimental study conducted by comparing P. vannamei post larva 10 reared at a density of 2000 inds./L in a pond treated with nanobubble and without treatments (control). Furthermore, the Net Present Value (NPV) and payback period were calculated to assess the economic feasibility of nanobubble, while community interviews were used for the social sectors. Based on the results, environmental wastes of shrimp farming in form of total ammonia nitrogen (TAN) were reduced by 9% from 2.58 mg/l (95%CI: 0,91, 4,25) in control compared to 2.35 mg/l (95%CI: 0,86, 3,84) in treatment. Furthermore, the revenues from post larva sales for five years and nanobubble investment costs showed that the estimated NPV was IDR 64,824,374 with a payback period of 1.7 years. The interviews on traditional shrimp farming showed that 61.1% to 72.2% of community members agreed on the use of nanobubble aeration to support livelihoods. Therefore, the use of nanobubbles is feasible to support sustainable P. vannamei farming.

scholarly journals Is Smart Housing a Good Deal? An Answer Based on Monte Carlo Net Present Value Analysis

2019 ◽  
Vol 11 (15) ◽  
pp. 4193 ◽  
Author(s):  
Elariane ◽  
Dubé
Keyword(s):  
Monte Carlo ◽  
Net Present Value ◽  
Smart Cities ◽  
Statistical Significance ◽  
Good Deal ◽  
Present Value ◽  
Value Analysis ◽  
Social Growth ◽  
Operation Costs

The smart cities are considered to be an engine of economic and social growth. Most countries started to convert their existing cities into smart cities or construct new smart cities in order to improve the quality of life of their inhabitants. However, the problem that facing those countries while applying the concept of smart cities is the costs, especially for the residential sector. Despite the high initial and even operation costs for adopting different technologies in smart housing; the benefits could exceed those costs within the lifespan of the project. This article is shedding the light on the economics of smart housing. This study aims to evaluate the net present value (NPV) of a smart economic housing model to check the viability and feasibility of such projects. The calculation of the NPV based on Monte Carlo simulation provides an interesting methodological framework to evaluate the robustness of the results as well as providing a simple way to test for statistical significance of the results. This analysis helps to evaluate the potential profitability of smart housing solutions. The research ends up by proving the feasibility of this type of project.

scholarly journals Economic Feasibility for Recycling of Waste Crystalline Silicon Photovoltaic Modules

2017 ◽  
Vol 2017 ◽  
pp. 1-6 ◽  
Author(s):  
Idiano D’Adamo ◽  
Michela Miliacca ◽  
Paolo Rosa
Keyword(s):  
Net Present Value ◽  
Crystalline Silicon ◽  
Economic Feasibility ◽  
Environmental Benefits ◽  
Baseline Scenario ◽  
Present Value ◽  
Photovoltaic Modules ◽  
Pv Module ◽  
Global Power ◽  
The Usa

Cumulative photovoltaic (PV) power installed in 2016 was equal to 305 GW. Five countries (China, Japan, Germany, the USA, and Italy) shared about 70% of the global power. End-of-life (EoL) management of waste PV modules requires alternative strategies than landfill, and recycling is a valid option. Technological solutions are already available in the market and environmental benefits are highlighted by the literature, while economic advantages are not well defined. The aim of this paper is investigating the financial feasibility of crystalline silicon (Si) PV module-recycling processes. Two well-known indicators are proposed for a reference 2000 tons plant: net present value (NPV) and discounted payback period (DPBT). NPV/size is equal to −0.84 €/kg in a baseline scenario. Furthermore, a sensitivity analysis is conducted, in order to improve the solidity of the obtained results. NPV/size varies from −1.19 €/kg to −0.50 €/kg. The absence of valuable materials plays a key role, and process costs are the main critical variables.

scholarly journals Análise financeira de sistemas de produção para novilhas em pastagem de Brachiaria brizantha

2015 ◽  
Vol 64 (246) ◽  
pp. 123-130 ◽  
Author(s):  
A. A. C. O. Peres ◽  
A. A. Santos ◽  
C. A. B. Carvalho ◽  
N. Brandalise
Keyword(s):  
Production System ◽  
Financial Risk ◽  
Net Present Value ◽  
Production Systems ◽  
Cash Flows ◽  
Economic Feasibility ◽  
Present Value ◽  
Savings Accounts ◽  
Return On Capital ◽  
Mineral Mixture

The objective was to determine the economic feasibility and financial risk of different production systems for dairy heifers grazing on Xaraes pallisadgrass pasture, during the year, with roughage supplementation of sugarcane, during the autumn-winter and the supply of mineral mixture (commercial and selective). Each production system was characterized and quantified in accordance with the administrative and livestock realized during the period February 2006 to March 2008. The cash flows were constructed for production system in a horizon of 12 years, being applied discount rates of 6, 10, 14, 18 and 22 % per year. About the cash flows were determined economic indicators of profitability: net present value and internal rate of return. The sensitivity and financial risk analyzes were realized. The production systems showed positive net present value at a discount rate of 14 % per year, which reflects the return on capital invested, compared to savings accounts. The trading price of the heifer is the item of greatest influence on economic results. The production systems had low financial risk of becoming unviable, given the price fluctuations that occurred in the market. The production systems are financial viable to exploration.

scholarly journals Technical-economic analysis of different lighting systems for broiler poultry

2016 ◽  
Vol 36 (2) ◽  
pp. 242-252 ◽  
Author(s):  
Priscilla A. P. Ribeiro ◽  
Tadayuki Yanagi Junior ◽  
Joaquim P. da Silva ◽  
Sílvia de N. M Yanagi ◽  
Renato S. Campos
Keyword(s):  
Economic Analysis ◽  
Power Consumption ◽  
Net Present Value ◽  
Economic Feasibility ◽  
Financial Mathematics ◽  
Present Value ◽  
Artificial Lighting ◽  
Fluorescent Lamps ◽  
Lighting Systems ◽  
Incandescent Lamps

ABSTRACT Broiler poultry is highly dependent on artificial lightening. Power consumption costs of artificial lighting systems is the second largest expense related to broiler industry, second only to feed expenses. Therefore, the current study focused to analyze technical and economic feasibility of replacing incandescent lamps already used in aviaries with other lamp types. Costs related to power consumption, implementation and maintenance of the lighting systems were evaluated with the aid of financial mathematics using net present value, return over investment and payback. Systems composed of six lamp types were analyzed in two different configurations to meet the minimum illuminance of 5 and 20 lux and for use in conventional sheds and dark house. The lamps tested were incandescent (LI) of 100 W, compact fluorescent (CFL) of 34 W, mixed (ML) 160 W sodium vapor (SVL) of 70 W, tubular fluorescent T8 (TFL T8) of 40 W and tubular fluorescent T5 (TFL T5) of 28 W. For the systems tested, it was found that the tubular fluorescent lamps T8 and T5 showed the best results of technical and economic feasibility.

scholarly journals Economic analysis of sustainable management of candeia

CERNE ◽  
2010 ◽  
Vol 16 (3) ◽  
pp. 335-345 ◽  
Author(s):  
Antonio Donizette de Oliveira ◽  
Ivonise Silva Andrade Ribeiro ◽  
José Roberto Soares Scolforo ◽  
José Márcio de Mello ◽  
José Luiz Pereira de Rezende
Keyword(s):  
Forest Management ◽  
Economic Analysis ◽  
Sustainable Management ◽  
Net Present Value ◽  
Oil Production ◽  
Planning Horizon ◽  
Economic Feasibility ◽  
Present Value ◽  
Production Methods ◽  
The Interest Rate

Candeia wood (Eremanthus erythropappus) is widely used for production of essential oil and its active ingredient, alpha-bisabolol, is consumed by both the cosmetics and pharmaceutical industry. This study aimed to determine the productivity and operating costs associated with exploration, transportation and commercialization of candeia timber obtained from sustainable management systems and used for oil production; to determine the gross income or revenue obtained from the sale of candeia timber; to analyze the economic feasibility of sustainable management of candeia. For the economic analysis, Net Present Value, Net Present Value over an infinite planning horizon, and Average Cost of Production methods were used. Results indicated that the most significant costs associated with candeia forest management involve transportation and exploration. Together they account for 64% of the total management cost. Candeia forest management for oil production is economically feasible, even in situations where the interest rate is high or timber price drops to levels well below currently effective prices. As far as candeia forest management is concerned, shorter harvest cycles allow higher profitability. However, even in situations where the harvest cycle is relatively long (30 years), the activity is still economically feasible.

Abel Wolman's “The Metabolism of Cities” Revisited: A Case for Water Recycling and Reuse

1999 ◽  
Vol 40 (4-5) ◽  
pp. 29-36 ◽  
Author(s):  
Slawomir W. Hermanowicz ◽  
Takashi Asano
Keyword(s):  
Water Reuse ◽  
Reclaimed Water ◽  
Growth Patterns ◽  
Economic Feasibility ◽  
Special Focus ◽  
Factors Affecting ◽  
Alternative Means ◽  
Regional Population ◽  
Intended Use

Factors affecting the feasibility of water reclamation and reuse in an urban environment are discussed with special focus on reclaimed water quality and reuse applications. Water supplied to a city undergoes only small changes in quality and thus becomes a valuable resource ready for reuse and under local control. Successful development of water reuse must take into consideration technical, financial and social aspects. The quality of the reclaimed water must be matched to its intended use and alternative means of its distribution should be considered. Regional population growth patterns and their influence on economic feasibility of water reuse are examined.

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