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A comparative study on the zeolitization of coal fly ash from thermo-power plant “Maritsa 3” (Dimitrovgrad) with KOH and NaOH solutions of different concentrations has been made. The initial materials have been activ ated by application of “conventional” method of hydrothermal treatment at temperatures near 100 °C, atmosphere pressure and liquid/solid ratio of 10 ml.g -1. Three concentration levels for KOH and four concentration levels for NaOH have been used. The initial fly ashes and the obtained zeolit...

Anthropogenic activities produce a lot of chem ical, physical and bi ological pollutants, which penetrate by different ways into environment and influence the living organisms and ecosystems negatively. In present it does not exist universal method for environmental risk assessment. Most countries use various procedures in field of risk analysis oriented to the specific problem solutions close connected with the chosen factors, which have negative influences on the individual environmental parts. The paper deals w...

The objective of the work was a laboratory examination of biodegradation of sewage sludge from the Central Wastewater Treatment Plant (ГљДЊ OV) in Ostrava, which had undergone physical pre-treatment by means of a spark discharge or UV radiation. The laboratory tests made use of a bacterial mixture of Rhodococcus sp. and Pseudomonas putida.

This paper aims at studying some complex coagulants derived from the medium anionic polymer and medium cationic surfactant in order to evaluate the opportunity to use them in destabilizing and removing th e colloidal systems from water and wastewater. In this respect, medium anionic copolymers of acrylamide and sodium acrylate with commercial Preastol 2540, and a medium cationic surfactant derived from triethanolamine with commercial name of Tetranyl AT-7590 were used in order to obtain these complex coagulants. T...

The crude-oil import and pipeline- related pumping activities date since 1967, when the ship Marianne III delivered th e first “black gold” shipping to Constanta harbor. Due to the petroleum products growth and the development of the petrochemical industry, it has been decided to import and transport crude oil through pipe lines. This paper presenting the Management of the environmental scheme in the Roumanian Oil Transporting Pipeline based to long experience (20 years to working in the environmental protecti...

Environmental environment is defined as “a human notices significance of his/her relation with the environment in terms of hi s/her existence”. In the society, several professional groups are of extreme importance for increasing awareness of subjects and leading to behavior changes. Environmental behaviors of physicians having substantial effects on public health and education are impor tant for social awareness. This study is conducted in order to assess environmental behaviors of municipality employess and c...

The purpose of this project course is a comprehensive environmental treatment of the Sharr Mountain area. In this context, has beco me a description of the extent of the area, geographic position, morphology of the terrain , hydro graphic and climate, geological- tectonic construction, biodiversity, natural heritage and genetic zone Mountains National Park-Sharr. Sharr Mountains occupy an area of 580 km 2, and have split into three sub-districts: Lumbardhi of Prizren, it Ko rishe-Mushtisht and Lepenci. The criteri...

The geotechnogenic system «a cavity of underground nuclear explosion –geological environment – surface ecosystems» is considered, for the object of peaceful underground nuclear explosion (PUNE) "Cryst al" (Russia, Yakutia) as an example. New data on the radioactive pollution of surface and underground waters were obtained. Geophysical transient electromagnetic sounding, in other words - time-domain electromagnetic sounding method (TDEM) al ong two profiles above the epicentre of PUNE was applied. The reveale...

The nature conservation is an essential part of the human efforts for preservation of the natural landscape for the future generations. Both the living and the non-living parts of our environment are the subjects of bioconservation and geoconservation. Geoconservation aims to preserve the natural diversity of the non-living environment including bedrock features, landforms and soil features and processes. In the last two decades Bulgarian geologists have made effort s to recognize its geological heritage. In 2003 ...

The paper describes results from 18 months data collection and analogue modeling of “rain water – calcrete” interaction. The expe riment is based on leaching by natural rain and snow-melting water of material from diff erent soil and undersoil layers, containing various amounts of carbonates. It confirme d that rain and snow-melting water, circulating through the soil, undersoil and the underlying rocks, dissolves calcium rich minerals. Under dry weather and relativel y high temperature the hydrogen carbonat...

Appropriate selection of technological pro cess, as well as technology for processing row materials at quarries, creation of dust emission into the air and its further dispersion would be reduced to the minimal possible measure. This paper represents results of measurement of sedimentary and floating dust, as well as measurement of noise that are products of exploitation of limestone and spilite at SM „Kota“ near Vareš. Measurement confirmed that during limestone processi ng at mentioned location, pollution o...

The greatest quantities of waste represent on e of the most acute problems faced by big cities. The huge amounts of household produced by the population, office and small enterprises which provide various services to the population need to be processed in special plants. After this kind of processed it intend to obtained raw materials for manufactured industries and the organic waste will be transformed in compost for agriculture or in methane gas if we have an specifically installation. Such material will be proc...

Kosova has a significant resources of coal-lig nite, that is the mo st important energy resource, which supplies about 98% of total electricity production. During the process of electricity generati on amount existing plants release enormous quantity of ash, CO 2, NOx and SO 2.These discounts have impact in the air and water, and as well affecting the health of the population. The number of residents in the Obiliq Municipality and suburb is increasing with cancer an disease respiratory and ch ronic diseases. This ...

The increasing environmental impact from the construction becomes a serious problem that can cause significant damage, not only to ecosystems but also to the health and wellbeing of field workers and nearby resident s of construction sites. Therefore, is necessary to approach and continuous effort within the industry in order to achieve the objectives sustainable constr uction and reducing of the environmental impacts of construction. A recent study shows that construction is the third largest industry sector in t...

During 2008/10 we have investigated the cowslip (Primula veris L.) populations in different habitats across Kosovo in order to find morphological differences and genetic resources. We have found that this species in Kosovo is distributed in different altitudes, from 700 m (Mramor) up to 2000 m (Albanian Alps). We have observed more than 16 8 localities, in which cowslip was present. Largest populations were found in Albanian Alps, in Sharri Mountains and in the Shala region (Northern Kosovo). For investigated para...

During the research of flora and vegetation of Sharri Mountains we have found five new taxons for Kosovo’s flora. As part of the Sharri Mountains we have also researched Mushtisht Mountain which occupied the northeas tern part of the Sharri Mountains and range in altitude 480 - 2092 m (Maja Pashallare). These terrains are rich with rare endemic and relict species to the Balkans and that species have been preserved very well especially at the valley of the Rusenica. During research the Mushtisht Mountain flora’...

Dyeing of polyester fabric is carryng out in slightly acidic me dium; the dyebath pH value is adjusted to 4.5 – 5.5, which resu lts in the huge amount of acidic industrial wastewater. In this paper, dyeing of polyest er knitwear with four disperse dyes in the pH range 4.5 – 7, in order to reduce the amount of acid used in the dyeing process, was investigated. Colour differences between the samples dyed at pH 6.0 and 7.0 and one dyed at pH 4.5 were asseessed using the technique of reflectiometry and expressed i...

The enhanced oxidation of su lphide minerals by mini ng activities is a worldwide problem of significant environmental interest because of leading to the generation of Acid Mine Drainage (AMD). These waters e xhibit very different chemical and physical properties depending on their origin and the geochemical nature of the site of exploitation. Low pH, high concentration of sulphates and various heavy metals cause their deleterious effect on the environmen t. Treatment methods to address AMD are focused on neutrali...

Ever increasing industrialization has b een an important factor causing many environmental problems. Man made inputs asso ciated with industrial practices; mineral exploration, industrial processes and solid wa ste management contribute to heavy metal contamination of natural ecosystem. Nickel is one of the heavy metals that are present in industrial water from traces to very high quantity. Extraction of Ni 2+ from the effluents using flyash depends on various parameters such as pH, quantity of fly ash and sorptio...

This paper represents results of measuring of sedimentary dust at two locations. One location is at SM where installed is old fa shioned technology for limestone processing. The other location is „Kota“ near Vareš, where installed is contemporary technology for limestone and spilite processing with application of BAT (the best available technique), and is a property of company „BBM Vareš“ d.o.o. from Vareš. Measurements confirmed that during limestone processing wh ere old fashioned technology is instal...

Solid waste management has become an environmental concern for many developing countries including Libya country. There have been several significant obstacles facing the city of Al-Abyar in dealing with th is issue including; limited documentation regarding generation, handling, management, and disposal of waste. In this paper, solid waste management status in the city of Al-Abyar has been investigated through an extensive survey carried out on selected p ublic and private comp anies. Solid waste management pract...

In the context of sustainable development the problem of water pollution has a greatest importance due to the necessity of ensuring a clean environment for the next generation. Water quality standards provide the framework of accepted water parameters: chemical, physical, microbiological, biochemical, radiological. The European standards show the sampling method and terminology accep ted for that in according with macro- regional environmental conditions. In the present conditions, a good standard of life for peop...

Unsustainable consumption and production pa tterns in the developed world have an increased generation of waste over many decades. One of the major environmental challenge is the enormous amount of waste generated from leather and footwear industries. The leather and footwear industr ies are diverse manufacturing sectors which employ a wide variety of materials to make products ranging from different types and styles of clothes and footwear. Over 40 di fferent materials can be used but leather represents the most ...

Construction Sand production is done mostly by small mining companies and, because its price is distance dependent, it must be mined as near as possible to its final use, the cities, causing locational and environmental conflicts with economic and socio- environmental impacts. The Piranema Sand District is no exception. Located at 70 km from downtown Rio de Janeiro city, Brazil, its 70 small mining companies are the main suppliers of the Rio’s Metropolitan Area, w ith 90% of its demand: a critical success factor...

Quantitative risk assessment is a procedure fo r estimating the probability of an adverse health effect occurring in a local population from some events and the probability of the occurrence of the event. The risk analysis pr ocess consists of hazard identification, risk estimation, risk acceptability, risk evaluation and risk management. In this research, after extracting the risk assessment components; an algorithm has been drawn in order to analyse the risk assessment and to esta blish the framework for risk an...

The northeaster part of the Czech Republic is since the early 19th century associated with underground coal mining. This activity brings economic benefit in addition to changes in the landscape – soil depression followed by habitat destruction. Flooded mine subsidences are an example of such degradation of native plant and animal communities, biodiversity dec line and wetland and aquatic ecosystems establishment. For a long time, these ecosystems were considered worthless and unproductive [10]. The aim of the va...

Kosova is rich with the na tural resources. These resources have been used for the gain of different metals. The process of metal gain is dated since 1927. Since then until in 2000 the technological gain process is followed with the pollution of environment creating the deposition of scrap. These depositio ns are located in outskirts of Mitrovica town in a distance of 1-4 km. In this zone we have a high presence of heavy metals in the air, water and earth. This waste of metals have a serious influence in the envir...

The rural landscape is made up of agricultural landscape, completed by the land without an agricultural destination. It comprises three elements: the central area, the habitat made up of buildings related to the agri cultural exploitations, dwellings, artisan’s locations, deposits; rural lands that include both the uncultiv ated areas and the areas meant for different uses (agriculture, fore stry, pisciculture, t ourist and recreational purposes); the physical infrastructure (ways of communication). In this stud...

The process of alkaline hydrothermal activation (with NaOH) of fly ash from Bulgarian coal-burning thermo-power plant “Maritsa 3” has been investigated by means of scanning electron microscopy and energy-dispe rsive X-Ray analyses. The stages of the zeolitization have been discusse d on the base of the obtained data for the morphology and composition of typical in dividual particles from th e zeolitized fly ash samples, synthesized at different trea tment duration. The influences of pre-treatment and post- tre...

This research will address the important pr oblem of waste management sector for the Municipality of Prishtina. Rapid urbani zation has made solid waste management a serious problem today. The perception of the people has always been that it is a responsibility of the local government bodies. Local authorities are bound to keep their area clean. For some time now, many municipa lities, city corporations and industries have been experimenting with several innov ative and participatory methods of Reduce, Reuse and R...