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This article is focused on the alkali activation of aluminosilicates prepared from industrial waste obtained from the final grinding of bricks during their production. The ceramic waste powder as a precursor with water glass-sodium hydroxide mixture as activator are utilized for the production of alkali-activated aluminosilicates, which represent a promising way for design of cement-free environmentally friendly binders. Usage of such materials in building industry for development of new materials have a very good...

Nowadays, emulsions have been increasingly studied due to their application in different fields such us cosmetic, agriculture, pharmaceutical, paint and oil industries. Essential oils were widely used in the cosmetic industry as antimicrobial and antioxidant agents. This study investigated essential oil entrapment in beeswax in order to prolong its biological activities as oil in water (O/W) emulsion. Moreover, one of this work aim was to achieve stable beeswax-essential oil (extracted from Rosmarinus Officinalis,...

The paper deals with the chlorine in sintering process overview. Chlorine penetrates to iron making process from raw charge already in the coke making from coal and sintering process. Beside it can causes corrosion problems in blast furnace facilities, it causes environmental problems too. It is know that sintering of iron ores is a industrial source of polychlorinated dibenzo ? p-dioxins and dibenzofurans (PCDD/Fs). The paper gives overview of how the municipal solid waste incineration (MSWI) fly ash effects on t...

Steel constructions and their structural elements are significantly vulnerable to high temperatures which may be caused, for example, by fire. For this reason, investigations of the thermal load of building structures bear indisputable social importance and considerable practical coverage in the security design of critical infrastructures, as well as in the protection of persons and members of intervening security forces. The application of new knowledge when dealing with emergency situations and investigating the...

The use of synthetic or natural zeolites in food processing and medical (drug or drug support systems, nutritive supplements) applications also depends on their behavior under digestive conditions. This study aims to investigate the changes in the crystalline structure of natural zeolites in simulated in vitro digestion conditions and the interaction with simulated body fluid (SBF, pH=7.40) and simulated gastric fluid (SGF, pH=1.20). The different pH of used simulated biological fluids may result in interactions b...

This paper is an overview of the main devices for wave and wind energy extraction and how they can be combined to extract as much green energy as possible. This idea can be done by upgrading existing wind turbines with wave energy systems as well as by creating a new system that will cover the wind energy and also the wave and even solar energy. The hybrid systems are presented as a combination of existing systems. The study continues with the evaluation of the renewable resources in the Western Black Sea and to s...

In the European context, storage and recycling of sludge from sewage treatment plants is a highly discussed and sometime a controversial subject. On the other hand, sludge production at the European level it can not to be neglected, being around 13.25 Mt/year. Even if for sewage sludge management there are many alternatives (including incineration or landfilling), its use in agriculture remains a preferred option in many countries due to the results obtained by farmers in terms of productivity levels achieved for ...

The paper aims to assess the macrobenthic diversity and habitats distribution in front of the Danube mouth along a depth gradient on the Romanian Black Sea shelf. During the reference 60 - 70?s period the benthic community diversity accounted for 75 species. In the 80?s (starting of eutrophication period) this has sharply decreased to 45 species as result of the ecological collapse due to economic development of the riverine Black Sea countries?. However, the area is naturally under the influence of the riverine i...

The Best Available Techniques (BAT) concept first emerged in the 1960s. It primarily serves as a tool for preventing industrial pollution and setting conditions for Integrated Environmental Permits for larger industrial installations. BAT include technological, technical and managerial solutions aimed to prevent or control pollution and provide for high resource and energy efficiency (EE) of production processes and minimisation of waste. Lessons learnt by various countries prove that the BAT concept has potential...

Two well-known regulatory constructions ? technological regulation based on Best Available Techniques (BAT) and greenhouse gases (GHG) emissions regulation ? aim at cleaning and greening industrial production. BAT-related legislation and practices have been applied in the UK and Sweden for over 30 years, while European Parliament passed the Integrated Pollution Prevention and Control (IPPC) Directive in 1996. In Russia, the ?BAT Law? was issued in 2014, and in 2019 first IPPC installations will receive Integrated ...

We consider the model of a prototype for a measuring platform for black carbon control in the Arctic within the framework of the geo-information management of difficult-to-access complex territorially distributed systems, taking into account the promising technologies of the Internet of Things and the associated Big Data challenge. Data can come from different sources. Then obtained data are combined into a single network based on Big Data technology. Geo-information support of decision-making in black carbon cont...

Neurodegenerative diseases are a group of pathologies that mainly affect neurons of the human brain. Particularly, Alzheimer disease (AD) is a neurodegenerative disorder, being manifested by neuronal and synaptic loss. One of the main pathological aspects of AD is aggregation of amyloid-? (A?) peptide. However, there are some neuropeptides that play an important role in immunity and neuroprotection. In addition, the presence of metal ions and their abnormal accumulation play a key role in this pathology. The inter...

To improve the fuel characteristics, bio-oil is preceded to modernization which mainly includes hydrotreatment. This work is devoted to the study of the conversion of anisole, as one of the lignin monomers, in the presence of catalysts synthesized by the hydrothermal method. Platinum and palladium catalyst deposited on the polymer matrix of hypercrosslinked polystyrene allowed achieving about 90% of anisole conversion. It was shown that during the conversion of anisole, cyclohexane, methylcyclohexane, and phenol a...

The ultimate goal of this study is to obtain antimicrobial textiles, useful in various skin infections with different bacterial strains, due to the unique properties of contained essential oils, such as: antimicrobial and antiinflamatory effects. Four different matrices of biologic active systems in forms of stable emulsions were used in this study, namely: bee wax ? essential oil, chitosan ? agar ? essential oil, xanthan gum ? essential oil, xanthan gum ? gelatin ? essential oil and four different types of essent...

Recent research shows that biochar has the potential to improve the chemical, physical and biological properties of soils, which is also reflected in the crops. Because biochar is not a homogeneous material and it often needs to be activated to see its positive effects, it is very important to pay attention to its properties and subsequently to thoroughly verify it in agricultural practice. For this reason, experiments were carried out on two texture different soils (1. Dolna Streda: sandy soil, 2. Velke Ulany: lo...

Chicken manure is one of the massively produced wastes in the agriculture, and pyrolysis may be a good way of its treatment. Biochar obtained in the process of pyrolysis may be used as soil fertilizer since it improves soil water and air balance, stabilizes pH, provides plants and soil microbiota with nutrients. In the present study, chicken manure with sawdust was pyrolyzed at 400 ?C (residence time 2 h), and biochar obtained was added to soil in a dose of 30 t ha-1 in a field experiment. Wheat was planted in the...

The use of environmentally friendly and biodegradable fertilizers is an area of great interest throughout the world. One such fertilizer is biochar, obtained by the method of biomass pyrolysis (manures, green mass, and mushrooms). Biochar obtained from chicken manure is discussed relatively rarely in the literature; however, it seems to be a good fertilizer because of its significant nutrient content. Moreover, preparation of biochar from chicken manure solves another serious environmental problem: its utilization...

The waste resulted from tanning industry represent more than 55% from raw material (raw hide or skin), (Stefan D.S. et all, 2018). The new concept of European Union (EU) referring to ?circular economy? aims to maintain the value of products, materials and resources for as long as possible by returning them into the product cycle at the end of their use, while minimising the generation of waste. The circular model proposes closing the loop of products lifecycles by increasing recycling and reuse, the target for was...

In view of increasing demand for more efficient use of water resources, technological processes are innovated in textile industry and result in lower environmental impact. One possible option is to clean textile waste water containing industrial dye residues by microbial consortia and biodegradation process. This method of removing potentially toxic substances by microbial biomass is appropriate because other chemicals are not brought into the environment and residual biomass can be easily removed when the biodegr...

Diversification of rural resources in Poland has the potential to create great opportunities for innovation, development and of renewable energy sources and the development of non-agricultural activities. Over 90% of the territory of Poland is a rural area characterized by specific conditions. The potential of biomass that is usefoul for energy purposes in Poland is among the highest ones in the European Union. This creates the possibility of the use of biomass for the production of liquid fuels (bioethanol, biodi...

Ellenberg?s indicator values (simple ordinal classes of plants with a similar realized ecological niche) were developed to characterize ecological status of the soil-vegetation complex. The indicator of soil moisture (IF) was employed to describe changing environment and water resources recharge in a small forest catchment at the Jizera Mountains (Czech Republic) during the period 1982 ? 2018. In the 1980s, the extreme acid atmospheric deposition has leaded to the decline of spruce plantations (Picea abies) partic...

Plant diseases are one of the central reasons causing serious problems of food security in the world, affecting the quality and quantity of crops. Recently more and more attention is paid to alternative eco-friendly methods of plant disease control. One of such methods is the use of special microorganisms (so called biological control agents, BCA) that exhibit antagonistic activity towards phytopathogens. Since many microbes, which are suppressive towards plant pathogens are present in the nature, it is important ...

One of the directions of the rational use of the secondary raw materials of meat industry, including collagen-containing, is its modification in order to obtain protein products enriched with micronutrients for the further use in food production. The presence of active carboxyl end groups in the collagen molecule and complex spatial structure cause the complexation of this protein with various minor nutrients, thereby promoting the creation of a biologically active composite for the enrichment of meat products. To...

The biomass of living microorganisms determined from the phospholipid content was studied in the exposed surface soils and soils of archaeological site in the dry-steppe zone of the Northern part of the Ergeninsky Upland (Russian Federation). The studied soils were represented by Kastanozems and Solonetzes. In the exposed surface soils living microbial biomass was in average 383±47 ?g C/g in the upper horizon and consistently decreased to 32% of this level down the profile. The proportion of living microbial bioma...

Despite biohydrometallurgy is widely used worldwide, new approaches are developed to increase its efficiency, for example, two-stage biohydrometallurgical processing of sulfide concentrates. In the first stage, raw material is leached with ferric sulfate solution at high temperature. In the second stage, Fe3+ ions in the pregnant solution should be regenerated using microorganisms. Screening of the microorganisms, which are capable of active ferrous iron concentration, is important for the development of novel bio...

Biohydrometallurgical technologies are widely used for the extraction of non-ferrous and precious metals from sulfide ores and concentrates including gold-bearing refractory concentrates. Biohydrometallurgical treatment of gold-bearing sulfide concentrates is based on the oxidation of sulfide minerals by acidophilic microorganisms oxidizing ferrous iron and sulfur. This makes it possible to increase gold extraction by subsequent cyanidation as biooxidation results in disruption of crystal lattice of sulfide minera...

Noble metallic nanoparticles, silver (Ag) and gold (Au) especially, are very important in modern nanotechnology due to their various applications in medicine, pharmacy and diagnosis especially due to their proven antimicrobial and antioxidant activity. Both silver (AgNPs) and gold (AuNPs) nanoparticles can be synthesized using conventional or unconventional methods and, in recent years, the unconventional methods that rely on the biosynthesis of metallic nanoparticles from different plants and plant parts are cons...

Many works are devoted to the problem of obtaining healthy drinks. The paper discusses various aspects of obtaining the probiotic drink from grain raw materials and concentrate for its preparation. Wheat malt was used as the raw material. The following strains of the lactic acid bacteria were used to manufacture a probiotic beverage: Lactobacillus plantarum, Lactobacillus fermenti, Lactobacillus brevis and acid-resistant yeast Saccharomyces cerevisiae TUM 175. The most good organoleptic and physico-chemical indica...

The Black Sea is referred to as a continental or semi-enclosed sea being connected with the Mediterranean Sea by Bosporus and Dardanelles straits and with the Azov Sea by Kerch Strait. The volume of water exchanged with the Mediterranean Sea is modest; thus the waters under 100 m depth are known as anoxic, and a high concentration of H2S is present. Taking into account its particular situation is a piece of evidence that even small slicks of oil discharged from operational purposes or by accident seriously affect ...

Among different types of hazards associated with underground mining in Polish copper mines, one of the most dangerous is rock burst hazard. Having in mind that the depth of exploitation is getting deeper, this problem will likely get worse in the near future. This kind of hazard is connected inherently with seismic events. Controlled group blasting within a potentially unstable roof stratum is considered as an active method of rock burst prevention. A number of recorded seismic events can be clearly and directly e...

The basic influence is consisted from the value chain of products and services which is expanding globally. Business collaboration requires the security of electronic communications in an open and distributed environment. In this respect, electronic documents are required as proof of business communication, in the meantime requiring legal evidence or legal force. At present, even if electronic documents are properly communicated in commercial transactions, the final data about property transaction must be on paper...

The key objective of modern vision systems is the problem of a signal class determining since the signal features are completely determined by the type of underlying surface relative to which the observation is made. In spite of the fact that at present there are a huge number of analytic methods for the solving the indicated problem, in the vast majority of tasks based on natural images, capacities of solving it are characterized by the probabilities of erroneous and proper decisions. The exact analytic probabili...

There are many potential pollution sources for contamination of farmed tilapia (Oreochromis niloticus) along with the production chain. Sex reverse hormone practices for production monosex tilapia is the dominant procedures done in the field. The efficiency of cultivation with brackish water was investigated in the base of tissue fine elements and fry production. Results showed that, no significant differences between harvested sex reverse females were found for different water resources. The cultured tissues of b...

In general, the impact of the construction material base on the cost of construction is questionable. Wooden houses are becoming more common because of meeting the sustainable construction aspects and thanks to shorter construction time compared to brick houses. In the Czech Republic, it is still questionable whether wooden houses also bring lower investment costs, as the wooden house market hasn?t fully developed yet. The aim of the article is to define the impact of the material base of the houses on the market ...

The research regarding some technological links took place in the Oravita Depression, located in south-western Romania, between 2016 and 2018. The records from the Oravita Meteorological Station show that the average annual rainfall in the area is 736 mm, and the average annual temperature is 10°C. The climate of this area falls within the climatic formula c.f.b.x. according to Koppen, namely in the moderate continental temperate climate. The soil type on which the experiments were performed was stagno-gleyic prel...

Potato is the world's fourth largest food crop, being cropped in 140 countries on an area of 19 million hectares, with a total annual production of 322 million tons and an average production of 40 tons per hectare. Perennial dicotyledonous weeds represent a real danger to potato culture because they cannot be controlled after the potato has emerged. Such weeds are: Canadian thistle (Cirsium arvense), field bindweed (Convolvulus arvensis ) and hoary cress (Cardaria draba). Herbicides that are applied upon the soil ...

Since the 1990s Green Public Procurement (GPP) is a voluntary environmental policy promoting in EU low-impact goods and service markets; according to these more general objectives, contracting authorities should ?buy green? i. e. environmentally friendly products and services. This has been translated into a short-term objective: to reach over than 70% of recycled materials from C&D waste by 2020 (CCE No 397 of 16 June 2008). Within this European framework, each Member State has proposed its own vision/strategy, a...

CAD/CAE analysis of the work of a spring conical spacer in the ignition block of solid-fuel gas generator applied in oil fields to restore the flow rate (production) of the wells has been carried out. Three-dimensional models of the generator's elements were developed in the CAD software SolidWorks on the base of drawings of gas generator laboratory sample developed in D. Mendeleyev University of Chemical Technology of Russia (MUCTR). The purpose of the strength calculation and deformation analysis is the choice o...

Nowadays, it is important to pay attention to soil contamination with heavy metals, especially in agricultural soils, because heavy metals taken up by crop plants can affect human health. The aim of this study was to investigate the impact of substrate contamination on cadmium and lead accumulation in field bean (Vicia faba L.) and to specify changes in root anatomical structures. The vegetation experiment was carried out under controlled conditions. Changes to the above mentioned parameters were investigated at 0...

The calcareous nannoplankton represents a group of major components of the oceanic phytoplankton, situated at the base of the trophic chain. The evolution pattern of these organisms is relevant in the past geological record and nowadays, for several research fields, such as: marine biology, marine geology, biogeochemistry, micropaleontology, biostratigraphy as well as paleogeographic and paleoclimatic reconstructions, including the paleoenvironmental ones. Taking into account that the calcareous nannoplankton spec...

A nationwide project is under taken since a few years with the purpose to upgrade the geodetic infrastructure by setting up a wide real-time GNSS/CORS (Global Navigation Satellite System/Continuously Operating Reference Stations) network. In this perspective, a study is achieved in the setting of this assignment with the purpose to select eligible sites of the network infrastructure. The technical selection criteria were based essentially on the assessment of GNSS data received by permanent sites under experiment....

The problem of intersection capacity is a constantly discussed topic in the field of traffic engineering. Uncontrolled intersections have the lowest capacity, roundabouts and controlled intersections follow, and grade-separated interchanges have the highest capacity. However, in many cases, a grade-separated interchange cannot be built (mainly for spatial or financial reasons). In these cases, it is necessary to look for solutions to increase the capacity of other types of intersections. The paper deals with capac...

In the paper has been analyzed the state of the tropical forests in Central African Region. The trends and causes of deforestation are revealed, and the associated decrease in the ecosystem function of tropical forests CO2 sequestration by atmosphere. Model calculations based on the Spatial Model of the Global Carbon Cycles in Atmosphere - Plants ? Soil System (APS) represent the response of vegetation to an increase in the concentration of carbon dioxide in the air and quantitatively determine the parameters of t...

The article deals with issues related to the use of a universal multi-subject mapping method belonging to the technology of visualization of educational information in the preparation of bachelors. The cartographic method of teaching is characteristic in that it allows you to visualize both the geographic proper and any simulated space, to investigate, first of all, its spatial structural patterns of the structure (the form often determines the content). In the process of learning, the use of the cartographic meth...

In order to protect the Belgian coast, knowledge on natural sand dynamics is essential. Monitoring sand dynamics is commonly done through sediment budget analysis, which relies on determining the volumes of sediment added or removed from the coastal system. These volumetrics require precise and accurate 3D data of the terrain on different time stamps. Earlier research states the potential of permanent long-range terrestrial laser scanning for continuous monitoring of coastal dynamics. For this paper, this methodol...

In today?s world, with high demanding of energy, heavy oil and bitumen are important hydrocarbon resources that play progressively significant roles in the worldwide economy. Due to the diminishing of conventional oil resources, getting energy from unconventional resources becomes a tremendously outstanding process. Recently, metal oxide catalysts have shown promising applications and effects in different thermal enhanced oil recovery processes. These metal oxide catalysts have been chosen due to their exclusive p...

The recovery of heavy, extra heavy oils and bitumens has been challenging for the world oil industry. In-situ combustion (ISC) has been proved to be effective method for the enhanced oil recovery (EOR) of these heavy crudes. However, the wide application of ISC is still limited due to the difficulty in ignition and unstable combustion front, etc. In order to address these difficulties, catalysts have been proposed for improving the combustion behavior of crude oils in ISC process. This study is aimed to identify t...

The problem of oil spills during the marine transportation of oil products is still urgent today. The pollution fate and self-purification of the local ecosystem rates are still insufficiently studied. The article presents data on concentration of chloroform-extractable substances, oil hydrocarbons and the number of anaerobic bacteria in the sea bottom sediments of the Kerch Strait after the vessel?s accident in November 2007 for period of 2007 ? 2009. Chloroform-extractable substances concentration in the bottom ...

The gigantic fragmentation of land ownership in Slovakia is a consequence of historical development. The application and compliance of the Hungarian inheritance system principles up to present caused that in Slovakia at the end of the year 2018 was more than 8.4 million property plots, over 4.4 million land owners, 100.7 million co-owner relations. The average number of co-owners per plot is 11.93 and the average number of plots per owner is 22.74. This is a fact which increasingly creates problems that are also c...

The subject of this article is a two-storey, detached residential building. The building's structure is characterized by concrete sealing?s, load bearing walls made of brick and basements. The building has been deflected from the vertical as a result of a multiple underground exploitation which in the hard coal beds has been conducted. It is planned a continuation of mining exploitation in the area of the building. Use of a deflected object is connected with many inconveniences. Moreover, its market value falls do...