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Multipurpose vehicles are trucks that were implemented in order to achieve some different equipment related to road works such as snow removal, sweeping and spraying the streets, roadside mowing, trimming trees etc. Multipurpose vehicles have two operating modes. ? Regime for marching. Rapidly moving vehicles from one location to another. Torque at the drive wheels is small and the speed is high. ? Technological regime. The vehicle traveling at a low speed (max 8 km/h) imposed by technology of working multifunctio...

Worldwide there is a constant effort to reduce energy consumption in order to prevent the climate change by decreasing the gas emissions. Another major concern of the authorities is to preserve conventional energy sources by using energy from renewable sources. European laws promote the improvement of the energy performance of buildings, by considering the outdoor climatic and local conditions, without disregarding the indoor climate requirements (comfort). Starting with 31 December 2020, all new buildings should ...

This paper deals with current applied research focused on energy gain from wastewater (WW) for heating and cooling in a new multifunctional building. Energy-saving and environmental protection technologies are becoming one of the most important issues in the design and construction in EU. Energy gain from WW is often associated with piping exchangers, but there are alternative methods such as input pipes with pumping station (PS) and heat exchanger system (HES) with automatic surface cleaning and solids removal. E...

The case study analyzed in the paper refers to a group of new buildings built near the campus of the University Politehnica of Bucharest. The UniversityпїЅs campus has its own cogeneration power plant equipped with two reciprocating engines using natural gas. Each engine generates 800 kWe of electricity for UniversityпїЅs own consumption and for selling it on electricity market. During the winter time the heat recovered from the two engines, is used within the district heating network of the UniversityпїЅs campus....

In the Czech Republic, the obligation of municipalities to ensure their residents separated collection of biodegradable municipal waste (BDW) was enacted, nevertheless the issue of further management of thus collected waste has not been satisfactorily solved so far. Material recovery of bio-waste is difficult as capacity of biogas stations and composting plants is not relevantly adequate for processing such a huge amount of material. Also the disposal of final products (compost substrate, etc.) is relatively low a...

The major factor that may affect the ability of ground as a heat storage medium as such is the diversity of substrate materials or groundwater. The residential houses in Okotoks, in the province of Alberta, Canada are good examples of using soil as the heat storage medium. It is worth mentioning that this is not high-efficient solution and it is justified in the case of supply thermal energy needed for heating energy efficient buildings. In particular, it might be useful for passive constructions characterized by ...

The underground architectonic objects are often located at low depth. This is why, in order to protect objects located on the area or minimize the negative impact of works performed on people and the environment, roadheaders are widely applied, with the use of which excavating takes place in a mechanical way. BoomпїЅtype roadheaders deserve special attention in the group of roadheaders. A significant feature of the machines is the possibility of building underground objects of any shape and size of crossпїЅsection...

The environment and its protection are among the most followed topics of today. Logging using forest machines is closely associated with the hazard of service fluids spills and their negative impact on the forest ecosystem. Engine oils represent the highest share of all service fluids used in forest machines. In the present study we tested engine oil fouled during regular operation of the forest machine. Synthetic, as well as natural sorbents can be used for a quick and effective removal of engine oil spills. Proc...

Construction development of forest-tundra areas shall take into account their peculiar characteristics: enhanced susceptibility of landscape components to man-made impact, presence of permafrost, and also insufficient exploration of environmental conditions. These factors make it essential to carry out a detailed investigation of natural and man-made conditions as a part of engineering and environmental surveys during environmental feasibility study of the projected construction in such areas. This work is dedicat...

The highway E-80 is of strategic importance for the development of the main regional transport networks for South East Europe and it will provide optimal road connection with the Republic of Bulgaria and the Republic of Albania and wider with the other countries of the European Union. For the needs of preliminary design of the highway, specific geological investigations were performed (terrain and laboratory). Investigations are mainly focused on those parts of the terrain where the construction of tunnels, larger...

The interpretation and representation of the ground materials distribution and of their properties is a fundamental task in engineering geology practice. Engineering geological models can help to plan and developed the site investigation activities as they constitute an idealization of the ground, quite useful during the office and field tasks. The selection of the site investigation techniques can be more efficient when a ground model is idealized or sketched. The interpretation of the site investigation data mus...

Several concrete mixtures suitable for constructing engineered barriers in radioactive waste disposal facilities are designed and tested. The mix design is based on the utilization of a natural sorbent acting, at the same time, as supplementary cementitious material replacing a part of Portland cement and fine filler capable of radionuclide absorption and fixing. A representative set of engineering properties of the hardened concrete mixes is determined, including the pore size distribution, bulk density, matrix d...

Among unique deposits of high-grade iron ores (HGIO) of the Kursk Magnetic Anomaly those that are referred to the Belgorod group are ranked as outstanding. One of them, located in the Central European part of Russia, is known as the YakovlevпїЅs underground mine. Its singularity is resulting from following circumstances: 1) high quality of ores, in which iron content exceeds 65%; 2) genesis of HGIO that are originating from ancient crust of jaspilites chemical weathering and appear to be an extremely fine-grained ...

The paper considers main factors of oil hydrocarbons transformation and migration in underground medium. Influence of oil products on changes in redox and acid-alkaline conditions of underground space, as well as on intensification of various forms of microorganisms is shown. Composition and physical-mechanical properties transformation of disperse soils with different water saturation levels are experimentally studied. Failure causes of residual fuel oil storage are analysed. Role of microbial activity in formati...

Water is a key element and plays a central and critical role in all aspects of our life, environment, agriculture, economies, food security etc. Water scarcity in developing countries is driven by climate change and has triggered the need for urgent solutions across the continents. While opportunities exist to enhance currently available fresh water resources, including desalination and wastewater treatment, these methods have been environmentally devastating and costly. Atmospheric extraction could revolutionize ...

In this study, the feasibility of zwitterionic surfactants for EOR from high-temperature and high-salinity reservoir was investigated. Three different types of zwitterionic betaine surfactants were selected based on their abilities to address issues of displacement oil from high-temperature and high-salinity reservoir. And their abilities of reducing interfacial and surface tension (IFT), increasing viscosity, and long-term stability at high temperature and high salinity were investigated and compared with the mos...

The article describes the directions of increasing the role of tax payments in the special-purpose funding of the measures for the restoration of natural resources, enhancement of rational resource management and environment conservation. Enhancement of the incentive function can be achieved by using a system of charges in the form of targeted levies channeled to conservational sphere, levied according to a graded scale of charges determined by the severity of the negative impact on the environment and human healt...

ShakeMaps are one of the most applicative products of seismological research and monitoring, becoming available minutes after earthquakes. They are maps depicting the ground shaking produced by an earthquake and the estimated intensity distribution, being extremely useful for authorities, population, private sector and researchers too. However, the outcome of the result пїЅ consisting of easy to read maps representing the potential area affected, often hides the fact that many compromise decisions and uncertaintie...

Traditional one-regime rainfall-runoff (r-r) models are usually able to adequate simulate only flows in some interval (low or high flows). Proper simulation of both type of flows has a great importance in many practical applications, for example flood protection, risk analysis, etc. For this purpose more sophisticated modeling tools are needed. The aim of the paper is the improvement of simulations of low and high flows using a two-regime switching r-r model. This model uses a unique concept of separate simulation...

The article is a comprehensive analysis of the problems of ensuring environmental safety in general philosophical, legal (from the standpoint of international and national law), humanitarian, technical and economic and other aspects. The authors justify the need to study these problems from the perspective of an interdisciplinary approach, which greatly expands the possibilities of their study, since it allows us to use the methodology of various branches of scientific knowledge. The aim of the work was to assess ...

When conducting underground works, it is necessary to take into account their possible consequences for underground and surface objects. The purpose of this work was to identify the need to use three basic methods for estimating and predicting the parameters of subsidence of the earth's surface and deep layers. The process of extracting minerals from the earth's interior leads to an increasing need for underground excavations beneath the area of protected objects (surface and underground). In this regard, engineer...

Enterprise investment in environment protection means traditionally are seen as a burden induced by environmental policy. It is claimed that these investments do not support increase in output and productivity and rise production costs. Environmental investments directed to reduce abatement cost may not produce the productivity growth effect if the productivity gain do not outweigh the increase in abatement cost. Though environmental investments of firms are seen as less productive allocations, strong version of t...

The necessity of becoming competitive in the global economy brings many changes in the business. Companies will have to become international and act on global markets. Companies need to expand their cadre of quality people with a global mindset and skills. This requires to know the country, culture, national economy, too the principles of the global market. The role of universities is to promote the education of the graduates with stronger entrepreneurial training, to stimulate entrepreneurship in the global marke...

For the development of the aviation industry more and more important becomes the issue of sustainable development, taking into account the coexistence and interaction of the three capitals: social, ecological and economic. The article focuses on the mechanisms of improving the effectiveness of the implementation of this concept. It was found that the effective implementation of the concept of sustainable development requires entrepreneurial activities of various entities aimed at the integration and synergy of the...

An idea of пїЅclean productionпїЅ, which provides for the modernization of industrial enterprises to environmental standards, is the concept that promote to sustainable development. The idea of combining economic and environmental effectiveness is a base of the concept. The most common indicator of balance is the environmental footprint, which is determined through calculating the use of natural resources. In addition, the environmental footprint provides an opportunity to assess how long can affect on the environ...

Environmental technology verification (ETV) may be defined as the establishment or validation of environmental technology performance by qualified third parties based on test data generated through testing using established procedures or specific requirements. The paper present a characteristics of the ETV established by the European Commission as a voluntary scheme with an overall objective to increase the marketability of environmental technologies and raise confidence in ecoinnovations by providing independent ...

The article attempts to answer the question whether, and to what extent, the construction sector companies disclose information on environmental responsibility. An analysis of literature indicates that companies operating in more environmentally-sensitive sectors are more likely to disclose environmental information that leads to legitimize their existence. Therefore, the subject of analysis were information disclosed on the websites of companies from the construction sector, concerning eight areas: Energy, Water,...

The ENVIREE project is focused on the working-out of efficient and environmentally-friendly rare earth elements (REE) recovery technologies from selected industrial waste disposal sites. Compared secondary sources from metal production processes are characterized by the highest REE content among the European objects assessed under the project. The paper presents the environmental aspects of REE recovery from New Kankberg (Sweden) and Covas (Portugal) tailings. Based on the results from stage II of the study, i.e. ...

Haloxylon aphyllum Minkw. (Black Saxaul) is the main brush-forest-forming species in Kazakhstan. While the latter is a rain-fed shrub principally distributed on sand dunes, the former is a phreatophyte, which uses groundwater as water source. Accordingly, Black Saxaul is mainly distributed on the current and ancient alluvial river terraces. Saxaul played and still plays an important role as fodder plant and fuel wood for herders. The Black Saxaul (Haloxylon aphyllum Minkw.) is the principal arboreal taxon of the c...

Analysis of the environment state of oil and gas regions in the Yamalo-Nenets Autonomous District (YaNAO) on the basis of researches in the north of Western Siberia (2003-2016 years) is carried out. The area of research is Nadym-Pur-Taz interfluve, the north of Western Siberia, the Yamal-Nenets Autonomous District. Assessment of environmental components (surface waters, bottom sediments, soils, vegetation, and snow) has been carried out. The studies were conducted at three levels of landscape organization: local (...

The objective of the study is to provide an overview of the impact of recent economic crises and shocks since 2008 on environmental impact, environmental quality and environmental policy in six federal subjects of the Ural Federal District, which is one of the most industrialized and urbanized regions of Russia. These federal subjects differ in sectoral structure of regional economies and the level of Gross Regional Product (GRP). The quantitative analysis undertaken by the study is based on annual dataset which c...

Rare earth elements (REE) are strategic resources, with an elevated risk of supply instability. Significant price fluctuations related to monopoly in REE mining and production increase interest in alternative sources of acquisition. Substantial growth in demand for REE in the next decade is projected. As a potential alternative sources of REE is considered recycling of electronic waste and the processing of ashes from the incineration of municipal waste. Also the reprocessing of mining waste, both from current pro...

According to the European Directive 2002/49/EC, EU members have to draw up a strategic noise map for all agglomerations with more than 250000 inhabitants and for all major airports, roads and railways. A study of environmental impact assessment on Highway A23 in the stretch between Abrantes пїЅ Guarda, conducted under the environmental noise, has as objective the characterization of the current situation, i.e. representation of senses in sound levels surrounding the infrastructure, based on modelling and acoustic ...

The environmental investment programmes are targeted at the implementation of sustainable development activities, maintaining the quality of environment and biological diversity and ensuring the sustainable use of natural resources. In recent decade, Latvia has been one of the most active among the new EU Member States in the acquisition of the EU financial resources and other financial instruments for the implementation of the environmental policy targets in Latvia, especially in the spheres of environmental prot...

In the efforts to improve products and processes, it is getting more and more important to implement integrated management systems in companies to enable comprehensive and synergistic solutions to problems arising in different areas of the business activity. Environmental management is usually the key component of an integrated management system, in particular in relation to improving environmental performance of products and processes. An inherent element of the integrated management system concept is the extent ...

Russian governmental concern about serious problems in a field of health protection connected with environmental protection and safety of Russian Federation is shown based on the analysis of national strategic documents. In this regard, the establishing of scientific basis for environmental protection and environmental safety of population aimed at the correcting of the existing environmental standards and the indicators of permissible anthropogenic impact on environment is given by the federal document "Fundament...

The article presents the material, both on theoretical and practical issues of rational use of agricultural land in the North Caucasus Federal District (NCFD), as well as an analysis of the main reasons that led to their degradation. Assess ongoing processes on agricultural lands with their heavy use. An important feature of the NCFD district is the high proportion of rural population (49.7%) is the highest in the Russian Federation. Revealed major shortcomings in the organization and use of land resources, which ...

Environment Protection is becoming part of the international and national legislation on human rights. The link between the environment protection and human right is the focus of such paper. Alongside, the paper will raise also the question of environment protection as dispensable mean for the protection of one fundamental right such as the right to life. Indeed, the debate about the relationship between the environment protection and human right at international level is going on for more than forty years. Moreov...

To comply with European UnionпїЅs rules regarding the environmental protection it is necessary for the all compound feed factories (CFF) to be fitted with modern and performant working equipments, with a high degree of mechanization, automation and computerization, with high productivity and low specific consumption, but also with opportunities for rigorous monitoring of pollutants and dust removed. Taking into account the complexity of the technological flow that takes place in a compound feed factory (CFF), this...

Determination of soil properties is based on soil sampling with low resolution (1- 2 or more samples per hectare) and their analysis in the laboratory. This method does not provide sufficient data to highlight the significant variability of the soil properties for the analysed parcel. This leads to a uniform distribution of the nutrients that can also be synthetic chemical substances (pollutants). Since the soil properties can influence plants growth, high-resolution mapping is required by the help of some sensors...

Urban green space has different functions in cities, at several levels, such as the environmental, ecological, social, economic, cultural and aesthetic, promoting the image and character of an urban area. In crease the number of residents in urban areas of Kosovo, has directly affected in growth rate of environmental pollution. Air quality is a major problem in many urban areas in the Republic of Kosovo and therefore has a great impact on human health. The objective of this study is to describe the use of urban gr...

Based on the environmental minimum criteria that have just been introduced in Italian legislation, new constructions should consider the environmental impact of used building products by calculating the degree of disassemblability and recyclability. How much will today's Italian buildings be disassembled? What is the degree of recyclability of the used materials? The paper introduces a new instrument, called environmental quantity survey which cares cost aspects but also those who will directly impact on the envir...

Construction and beginning of operation of reservoirs have significant impact on the environment. Resettlement of residents, flooding of a part of the river valley, changes in the river regime and ecosystems as well as mass movements are the most troublesome types of interactions. Such processes may be a little less noticeable when polders are designed. Management of geological resources i.e. mineral resources accumulated in the reservoir basin or in its vicinity is a significant task. It often happens that minera...

The risk assessment of an organization is stipulated in international standards and in a variety of international and national laws and reglementations. In the context of the obvious environmental problems and incidents with disastrous effects for the environment of the past 50 years, industrial and business environment recognizes the importance of environmental risk management and its applied. In the process of the environmental risk management, the risk assessment and risk treatment plays a crucial role in the c...

The Leningrad Region is a big/one the main subject of the Russian Federation with a highly developed industrial, transport and scientific potential. The article provides an analysis of some environmental problems typical for this region. Based on the aggregation of statistical information, data is provided on the structure and dynamics of total emissions, air pollutants, as well as emissions and sinks of greenhouse gases in various sectors of the economy of the Leningrad region. The features of deposition of subst...

In recent years, the EU Member States experience a significant increase in resource efficiency; however, the environmental resource efficiency indicators in the Baltic States, including Latvia, are significantly lower than the EU average indicators and an improvement in figures is too slow. Environmental taxes serve as an essential fiscal instrument for the increase of resource efficiency. Therefore, the research aim is to assess the application of environmental taxes as a fiscal instrument to increase the resourc...

This paper explores the possibilities of architectural design to benefit human condition, which encompasses physical well-being, environmental quality of life in big cities during the Climate Change era. The urban pollution is rising on a global scale. The present paper is focused on a new possibility to resolve the problem of air purification in highly-urbanized areas. The first part of the paper depicts possible usage of Titanium dioxide (TiO2) technology - nanoparticles of TiO2, as a building materials componen...

The most studied and promising for the biotechnological production among extreme halophiles are archaebacteria Halobacterium salinarum. Food additives for humans and animals based on these halobacteria have an immunostimulating, antioxidant effect, can be used in complex therapy of viral diseases, and contain biologically unique active substances, vitamins and microelements. High-price hydrolysates and enzymatic hydrolysates of high-quality raw materials are used for H. salinarum cultivation. This causes a high co...

Starch is widely used as a biodegradable component in the production of modern packaging materials. Determination of starch is necessary to control the stage of production of starch-containing materials, as well as to assess their biodegradability. The main process leading to the destruction of biodegradable composites is the biological degradation of starch under the influence of enzymes when starch-containing materials are located in the natural environment. Two types of starch-containing packaging materials wer...

REE determinations were conducted for two mineralized lakes of the Ishim steppe, situated between the Irtysh and Tobol rivers in the southern part of Western Siberia, by means of atomic absorption spectrometry (AAS). They are of Cl-Na-type but differ in salinity and pH. It was shown that REE distribution patterns for the Zhamantuz and Kishikaroy lake waters were identical. Nevertheless, coherent fractionation from LREE to HREE is disrupted after the equilibrium calculations. Thermodynamic modeling was performed wi...