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The analysis of the system principles of stability of the coastal infrastructure in the point of view of marine spatial planning and development of marine facilities of coastal and marine territorial systems of the Russian Arctic showed that at present there is no unified approach to determining the assessment of the stability of coastal infrastructure and environmental impacts caused by several factors. To account for medium- and long-term climate, environmental, economic, legal and geopolitical changes in the Ar...

The article discusses photovoltaics in Poland in 2016-2017 and the legal situation of the PV market, as well as its impact on the development of the Polish economy. In addition, the photovoltaic market in Poland was compared against other European Union countries. The article compares and discusses the results of the annual detailed photovoltaic market research in Poland, including such aspects as: production and sale of photovoltaic modules, import and export of photovoltaic modules and prices of photovoltaic sys...

The importance of developing educational activities in a clean environment is a major requirement and necessity from the perspective of providing optimal conditions for stimulating creativity and personal development. Thus, the need for a clean area in terms of urban pollution requires a profound understanding of environmental factors (soil, noise) with significant impact on both the population and the environment. As such, we have proposed to carry out specific pollution analyzes that could be found in the ?tiin?...

The industrial objectives in which petroleum products are extracted (oil drillings, separating parks, compressor stations, deposits, transport pipelines) are sources of pollution for the soil and groundwater in the area. The specific pollutants in drilling, exploitation and separation of oil and gas for soil, subsoil and aquifer are: petroleum, pond water, detritus and drilling mud. [1] Starting from the fact that the activity in the area of ?icleni - Romania is an activity of exploiting petroleum products, which ...

In the last decades, transport and handling equipment sites have became progressively pronounced in areas that were recently lacking transport services. In many cases, transport services are not provided in mountain areas and in areas that have not been significantly affected by anthropogenic impacts yet. Local natural materials and asphalt mixtures are used for road construction, in which it causes road movement. Used asphalt mixtures are made up of mixtures of various organic substances, usually aromatic nature,...

The paper deals with general aspects concerning the assessment of the roads technical condition based on the calculation of individual, combined and general performance indicators. Besides general aspects, the paper also presents a case study concerning the assessment of the technical condition on the national road section DN 18 Baia Mare ? Sighetu Marma?iei, Section E, km 52+000?km 62+000. The assessment of the technical condition on the analyzed road section was realized according to the COST 354 action of the E...

There is environmental quality as a one of the factors determining the quality of life in EU countries. EU countries use a combination of different tools of economic policy to ensure environmental (as well as economic) quality. However, environmental protection cannot be implemented without financial support. The most important tools of economic policy, already traditional used, are economic tools, which could improve the quality of the environment and quality of life. Environmental protection has become a part of...

The paper examines the exposure of mountain creeks towards illegal waste disposal practices related to the lack of waste collection services in rural areas of Romania prior to EU accession and the low waste collection efficiency following the closure of rural wild dumps in 2009-2010. The paper estimates the amounts of household waste uncollected and disposed in selected small Carpathian rivers in the North-East development region. The expansion of built-up areas along the water courses leads to waste dumping pract...

The worlwide ascending demographic development automatically determined a growing demand of meat and other derived products from animals raised in livestock farms. Therefore, taking into consideration the fact that, every year, the need for animals food has increased, every compound feed factory (CFF) aims to obtain diversified formulas of final products, depending on the breed and the age of the animals that will be fed. To resist on the competitive market with this profile of production, all compound feeds facto...

In the understanding of the world economy, production factors are natural resources, capital, labour, undertaking and information. Availability and quality of the production factors in time is limited in proportion to the needs, consequently rational and efficient use of production factors play a significant role. The aim of the research is to reflect the availability and quality of the production factors in the Latvian fisheries sector. On the grounds of the methodology offered by the author and guiding by the av...

The collapse of the USSR has become a great opportunity for Azerbaijan to initiate and develop energy cooperation with the West because it is a country with large oil and gas reserves. After signing of "deal of the century" in 1994 first inflow of foreign capital allowed the development of new fields (Azerri-Czirag-Guneszli), building independent transmission network of energy resources to Europe (pipelines Baku-SUPSA, BTC and BTE), improving the condition of the Azerbaijani economy and the strengthening of Azerba...

Barium phlogopite is found as rock-forming mineral of groundmass in kimberlites, composing the Manchary and Aprelskaya pipes of the Khompu-May kimberlite field (Central Yakutia) and in glimmerite xenoliths, occurring in the Manchary pipe. Glimmerite xenoliths are composed of differently oriented phlogopite plates (up to 0,5 cm). Reversed zoning is typical for the most mica grains regarding BaO content. BaO content reaches 14,6% in central zone, and 4,8% in marginal zone. Mesostasis of kimberlites has phlogopite-se...

Trends in waste generation show an increase in the volumes of waste produced worldwide. Currently, municipal solid waste management is one of the primary tasks for environmental authorities in Poland due to industrialization and economic growth, growing income, and an increase in quantity and variation in the types of waste generated. Conventional treatments of municipal solid waste using landfilling have become more difficult and expensive in Poland due to land deficiency and new environmental policies. The objec...

Nomenclature and chemistry of mafic minerals such as pyroxene, amphibole, and mica within the felsic and mafic igneous components have important role in the identification of the nature of the magma. The different compositions with the different proportions of the mineral chemistry reflects their, thermobarometry, emplacement depth and tectonic setting with the relation to their Fe, Mg, Al and Ti contents. Pyroxene, amphibole and mica behavior are selected from the shoshonotic, silica saturated alkaline and silica...

In Russia, new Integrated Pollution Prevention and Control (IPPC) legislation obliging larger industries to demonstrate compliance with Best Available Techniques (BATs) and to obtain Integrated Environmental Permits (IEPs), introduces also stricter requirements to environmental self-monitoring practices. Environmental self-monitoring is implemented by regulatees subject to environmental permitting, in order to ensure their compliance with regulatory requirements. The key issue for IPPC installations is compliance ...

Building Information Modeling, in the broader concept of Building Information Management, is becoming a potentially important technology for maintaining and unlocking knowledge, as well as for promoting collaboration between participants in both investment and communication processes throughout the building's life cycle. Building Information Modeling can never really be just technology, software, or 3D object modeling. It requires knowledge and understanding of a number of abstract modeling concepts. Additionally,...

Bioavailable heavy metals have been extensively studied in recent years because of their toxicity to natural ecosystems. Even though there is a large number of studies, relatively little is known about the biologically available metal fraction. The current study analyses seasonal concentrations of heavy metals associated with reactive fractions (solvable in HCl) in the soil of three areas on West Jiu river. Concentrations of heavy metals identified in indigenous ichthyofauna (Salmo trutta fario) collected from eac...

Due to the rapid increase in the global energy consumption of fossil fuels there has been an urgent demand for the development of alternative energy sources, one of them is a hybrid asymmetric supercapacitor. Electrode materials play a significant role in providing high performance for them. It was proposed as a cheap and environmentally friendly material to use activated carbon derived from plant raw materials. The properties of activated carbon derived from birch wood, corn trunks and leaves and beet pulp as ele...

The aim of this article is assessment biochar bioremediation potential in the benzo[a]pyrene artificially contaminated Haplic Chernozem with various doses of benzo[a]pyrene (200, 400 and 800 ?g/kg) equivalent to 10, 20 and 40 levels of maximal permissible concentrations (MPC) and 1-5% biochar amendment. The main subject of this study is to research the most effective dose of biochar amendment in benzo[a]pyrene contaminated soil in a model experiment with chernozem. The content of benzo[a]pyrene in soil was determi...

In the recent years, growing interest to biochar as a means of improving soil quality is observed. Biochar is a product of pyrolysis of biomass such as plant residues or organic wastes. Biochars made of manures are special because they can solve two environmental problems simultaneously ? waste reduction and soil fertilization, but they are less studied. In our research, we suggest to improve the properties of biochars derived from manures by means of immobilizing beneficial microbes on them. In this study, the ch...

Direct Red 80 is a commercially produced azo dye commonly used in textile industry. It belongs to a significant group of textile dyes with high chemical stability and resistance to biodegradation. Microscopic fibrous fungi of the genus Aspergillus, as they were isolated from the sludge lagoon (a place significantly polluted by industrial organics), were utilized for biodegradation of the dye. Experiments on static cultivation took place for 10 and/or 20 days, and the results obtained showed the ability of all appl...

The present paper brings to medical, agriculture and ecology specialists?attention a possibility of multivalent investigation of vegetable plants (leaves and fruits) and health of human body, in changed environment factors, due to the pollutants. Scientific studies have shown that human and plants emit electromagnetic fields. ?The aura? or corona?s image reveals information about their energetic state. Today we know that living organisms regulate all their biological processes through electromagnetic phenomena and...

Transesterification does not allow to make full conversion of oil to biodiesel because the glycerol as a by-product cannot be included in the composition of biofuel. The development of methods for full conversion of raw material to biofuel with higher yield remains entirely relevant. Interesterification, a reaction of vegetable oil with methyl acetate, constitutes a full conversion process which has not been investigated sufficiently. Instead of glycerol, the interesterification reaction gives triacetin (TA) which...

The composition of micromycetes of rocks and deposits of the caves Kinderlinskaya and Oktyabrskaya, located in the Republic of Bashkortostan, Russia, have been studied. The caves are formed in the upper Devonian Famennian limestones. These caves differ significantly in anthropogenic load due to their different accessibility to humans. Kinderlinskaya is a horizontal cave with a large entrance often visited by tourists. It needs special climbing equipment to enter to the October cave as it is situated on the height ...

Metal-complex dyes form complex compounds with metal ions. In practice, these dyes shows very good level dyeing, have better penetration properties, can cover up for the irregularities in the substrates, are more resistant to washing processes, and are more stable to light. In molecules of metal complex dyes, pigments and inks, metals are bound that pose a serious risk to the environment in wastewater from textile and leather production. Despite the fact that today most EU countries have strict limits on the conte...

Special orientation during logging is a very important task, and it is essential in almost all borehole tools. For this purpose, various orientation sensors (such as accelerometers, magnetometers, and others) are usually used. During logging, the task is being complicated with increasing temperature range and device vibrations due to the movement along the borehole. Thus, this paper describes experimental results in the downhole logging of the developed digital spatial orientation module, which was integrated into...

The oil production in Russia will be gained due to the field development in the Northwestern Federal District, Siberian Federal District, and Far Eastern Federal District. The remoteness of natural gas consumers from these Districts stimulates the development of pipeline transportation. A long range of pipelines and climatic and geological conditions result in toughening up the requirements for their reliability and lifetime improvement. Giant oil-gas condensate fields that have been discovered for the past few ye...

Sustainable development of the state or the city as a whole is conditioned mainly by the sustainable development of its individual parts which also include water management infrastructure containing the sewer system. The article deals with the evaluation of the technical condition of the sewer network in the municipality Zaben in the Czech Republic. The first part of the paper describes the basic information about the sewer network in the municipality, its location, condition, age, etc. This part is followed by th...

In the context of sustainable development, special emphasis is assigned on the use of renewable and non-polluting energy sources. An important potential is due to the solar energy. There are several ways to convert solar radiant energy into useful energy forms, the most direct of which is to obtain electricity by using photovoltaic cells grouped into photovoltaic panels. Considering all the factors that contribute to the performances of a solar cell, as there are: solar radiation, generated power, energy productio...

Recently, hydrothermal catalytic process in reservoir conditions (in-situ upgrading) has got remarkable attentions. In this study, the feasibility of the in-situ upgrading of Ashal?cha crude oil (Tatarstan region, Russia) using steam and catalyst co-injection was investigated at the temperature of 350 В°C under high pressure for 24h using a stainless-steel 500-ml batch reactor. The changes in the density/API gravity, viscosity, chemical composition (SARA fractions, the composition of saturates), and elemental comp...

Today, supply of hydrogen in processes of hydrotreating of heavy hydrocarbonic raw materials is one of the main expenses in the course of hydrocracking. Therefore, alternative modernization processes that do not use externally supplied hydrogen are desirable and necessary. This scientific work is devoted to solving the problem associated with the processing of high-viscosity oils and shale hydrocarbons in supercritical water to valuable petrochemical raw materials with a high ratio of hydrogen to carbon. The catal...

The work is dedicated to solving a scientific problem related to the effective use of steam-thermal methods for extracting hard-to-recover hydrocarbon resources from carbonate reservoir rocks using catalytically active metal compounds of variable valency. The work is aimed at studying the behavior of nanoheterogeneous catalysts based on Al, Ni, Mn compounds on an organic matter in the presence of a carbonate rock under conditions of steam heating effect. The experimental part of the project was carried out on a la...

This paper presents the results of the study of Kraft lignin hydrogenolysis process, using 5%Pd/C. The catalyst was investigated using the following physico-chemical methods: X-ray photoelectron spectroscopy, infrared spectroscopy of diffuse reflection of the adsorption of CO (DRIEFT), transmission electron microscopy, thermal gravimetric analysis, differential scanning calorimetry, the low-temperature nitrogen adsorption. Among the products obtained during hydrogenolysis of lignin the most promising for fuels are...

The study of the rate of autoregeneration of soil microbial community allows developing the strategy of soil management. The activity of cellulase in soils shows the rate of biological transformation of plant residues and may be used as indicator of autoregeneration of soil microbial community in disturbed soils. The most reliable data on the activity of cellulase in soils can be obtained with the help of the application method, which is based on a reduction in the mass of cellulose fiber that has been incubated i...

The proposed paper analyzes an investment project implemented to create a complete, efficient, simple and sustainable Community waste management system for a number of settlements in the western part of Romania. The purpose of these actions is to create a functional intervention framework of the local public administration authorities in the field of environmental protection in the target area. The implementation of the system proposed by this project will lead to compliance with current environmental rules and le...

The iron phosphates coagulant is commonly used in lake restoration to improve water quality and eliminate cyanobacteria bloom. Nevertheless, the short-term abiotic environment transformation in particular inside macrophytes communities is still not sufficiently studied. The field experiments were carried out in mesocosms installed in Chara hispida community. This species is characteristic for eutrophic lakes, therefore is strongly vulnerable to restoration treatments. In the study five parameters were analysed: pH...

Energy policy of the European Union aims to move towards the sustainable and green energetics, therefore, identification and exploitation of renewable energy resources is of high importance in all EU member states. One of the types of renewable energy production is cogeneration of heat and power from biomass. Cogeneration becomes more and more topical in the Baltic States as various kinds of biomass, e.g., forestry and agriculture residues, cultivated plants for biomass are rather easy obtainable. For example, in ...

It is well-known that earthquakes do not consider boundaries and Bulgaria is also subjected to seismic impacts from earthquake sources located in the neighbouring countries, i.e. outside its territory. Without doubt the actual impact from these sources on our built environment is to be taken into account by our engineers and planners. This could be done properly if only based on instrumental records of real events and after assessment of their characteristics. The effect of Vrancea quakes on our territory is rathe...

The cementing of wellbores is of the utmost importance at each stage of the drilling jobs. Regardless the conditions in the well, the aim of the cementing job is to efficiently seal the annular space between the casing and the wellbore wall, and to liquidate absorptive zones and also the flow of fluids in the annulus. The properly performed cementing job guarantees successful and safe exploitation of the well. A correctly performed cementing job in a borehole depends on the design of the borehole, geologic-reservo...

Nowadays, issues related to intellectual capital, its valuation and management are becoming a significant strategic problem. The nature of the modern market excludes practically the possibility of completely omitting this element in management processes. Building market advantage requires more and more intensive recourse to intangible assets. Traditional forms of doing business in many areas do not bring the expected results. The main problem associated with intellectual capital hindering its wider application in ...

The discovery of Bakyrchik gold-sulfide black shale deposit was in 1953. It is situated in Western Kalba metallogenic zone, originated in late Paleozoic age as a separated line between palaeocontinents of Kazakhstan and Altai-Mongol. The Bakyrchik deposit has acicular arsenopyrite and arsenical pyrite containing micron-size (2-5 ?m) gold inclusions. It is large gold reserve (280 tons) in black shales of northern east Kazakhstan. The gold is associated with acicular arsenopyrite, lesser extent of pyrite. The sulfid...

The use of biomass as a renewable fuel for production of heat and electricity is regarded as a key to reduce fossil fuel dependency, and thereby to reduce net CO2 emissions. Fluidized bed (FB) technology is widely accepted as the most energy efficient process for thermal conversion of biomass. One of the often-mentioned drawbacks is the building up of agglomerates within the process because of bed material-ash interaction. To avoid unplanned operational stops due to agglomeration, bed material is continuously repl...

According to FAO, the Food and Agriculture Organization of the United Nations, global annual charcoal production amounts to 52 million metric tons. Around half of the population in South America depends on forest-sourced resources (firewood, charcoal) to cover their basic energy needs, and in some countries large-scale industrial charcoal usage is further common, e.g. in Brazil in the production of pig iron for steel. To limit adverse impacts on forest health, sustainability of charcoal production merits high atte...

New Russian Integrated Pollution Prevention and Control (IPPC) legislation has come into forth at the beginning of 2018. In 2015-2017, 51 Information and Technical Reference Books on Best Available Techniques (BREFs) had been developed and officially approved. About 6,500 installations of various sectors had been registered as IPPC (or Category I) installations. In 2019-2025, all of them will be obliged to demonstrate compliance with requirements of Best Available Techniques (BATs) set by respective sector BREFs a...

Gas hydrates have been represented as a promise technology for many of applications, as gas mixtures separation, CO2 capture, transportation, and sequestration, transport and storage of methane, and seawater desalination. Reduction of onset temperature/time for hydrate formation and increasing the hydrate growth rate are very critical for these applications. In this study for the first time we want to introduce the application of gelatin as a cheap, biodegradable, sustainable and effective promoter for methane hyd...

Global issues such as resource scarcity, climate change, land and ocean pollution linked to the widespread growth model of production and consumption have led to the introduction of many concepts and approaches such as 'sustainable development' and 'green growth', and etc. It is also a circular economy, and it has many similarities to these concepts and approaches that deal with the relationship between people and their environment. However, it has distinctive use and, in principle, has more radical consequences t...

The paper deals with burning processes, combustible materials and materials. Each fire is accompanied by combustion processes that depend on combustion conditions, in particular the presence of flammable substances and materials, oxidant and source of initiation. Fire is burning spreading uncontrollably in time and space. Fever represents a set of exothermic physicochemical events, in which the redox reactions occurring in the release of a considerable amount of thermal and light energy, at the same time release f...

It is well documented that the interlayer space of clay minerals, notably smectites (e.g., montmorillonite), can be intercalated with wide variety of inorganic cations or organic cations through ion exchange reactions or using other physical and chemical means of interaction. When the modification of smectite is performed with organic cations, their properties change from hydrophilic to hydrophobic. Therefore, the resulting materials become efficient sorbents of organic contaminants in wastewater, e.g., as sorbing...

Carbon capture storage (CCS) technology is expected to help reduce the anthropogenic carbon dioxide emissions, however, application requires finding the rock formations with sufficiently large storage capacities. Water-bearing formation allow to store a high-volume CO2. Nevertheless, the assessment of the capacity of aquifers structures remains a problem. In this work reservoir simulation was developed to estimate CO2-storage capacity because it allowed to take into account the effect of heterogeneity in an aquife...

The effect of coke formation on the pore structure and permeability in the process of the in-situ upgrading of heavy oil under supercritical condition has attracted more and more attention. Studying coke formation induced by thermal treatment is currently an important task for selecting the optimum upgrading technologies for heavy and extra-heavy oils. This research is intended to evaluate coke formation through the process of aquathermolysis in the condition of superheated steam injection. In this study, upgradin...