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UN Sustainable Development : Partnership for the ... ✕Department : Çevre Mühendisliği B ... ✕
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Partnership for the goalsStrengthen the means of implementation and revitalize the global partnership for sustainable development
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Impact of Kara-Keche lignite mining on the Kara-Keche River water composition and properties = Влияние разработки Кара-Кечинского буроугольного месторождения на состав и свойства вод реки Кара-Кече

Kanatbek KOCOBAYEV | Nurzat TOTUBAYEVA | Nurzat ŞAYKİYEVA

On the evidence of the earlier research findings, as well as the full-scale and lab-scale test data of 2019–2020, this article describes the ecological situation at Kara-Keche lignite field being developed by five mining companies in the Jumgal district of the Naryn Region in the Kyrgyz Republic. It is found that the field development proceeds with insufficient adherence to legal documents and has a considerable adverse influence on the environment and water bodies. Many large-volume refuse dumps have no isolation from natural water bodies, which ends with acute pollution of the latter. Contam ...More

Article 2022 Mühendislik Fakültesi Горный журнал / Gornyi Zhurnal ( 12 ) 132 Views
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Sorption characteristics of zeolite and bentonite natural adsorbents modified complex

Zarlık MAYMEKOV

The main objective of our study is to obtain a complex compound from natural adsorbents to purify wastewater with simultaneous sorption of chemical and microbiological substances contained therein, which contribute to disinfection and softening of water, increasing the degree of treated water saturation with calcium, magnesium salts and trace elements, while not requiring the use of sophisticated equipment. The technical result is to create a complex of adsorbents with the sorbing ability of chemical and microbiological pollution, disinfecting and softening water, enriching it with calcium ion ...More

Article 2020 Mühendislik Fakültesi News of the National Academy of Sciences of the Republic of Kazakhstan-Series of Geology and Technical Sciences442 ( 4 ) 63 Views
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Identifying Geogenic and Anthropogenic Aluminum Pollution on Different Spatial Distributions and Removal of Natural Waters and Soil in Canakkale, Turkey

Mehmet KOBYA

The Çanakkale–Kirazlı region (Turkey) is enriched with minerals, especially aluminum (Al), which dangerously get transported into aquatic media due to several mining and geological activities in recent years. In this study, Al and other potentially toxic metals (PTMs) including B, Ba, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Si, and Zn, in both water and soil samples, were measured for quality determination. Selected metals were also analyzed by the enrichment factor (EF), the geoaccumulation index (Igeo), the contamination factor (CF), and the pollution load index (PLI) to evaluate both water and soil ...More

Article 2023 Mühendislik Fakültesi ACS Omega8 ( 9 ) 39 Views
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Bioremediation approaches for oil contaminated soils in extremely high-mountainous conditions

Nurzat TOTUBAYEVA | Ciyde TOKPAEVA | Canarbek İZAKOV | Mirlan MOLDOBAYEV

Development of methods for bioremediation of soils contaminated with petroleum products is one of the most urgent tasks of our time. This task is more difficult to perform in high-mountainous landscapes, at an altitude of more than 4 000 m a.s.l. Moreover, these high-mountain ecosystems are the most vulnerable to various kinds of anthropogenic impacts, and therefore the relevance of bioremediation is obvious. The research was conducted in the high-altitude ecosystems of the Kyrgyz Republic at the Kumtor mine. In this study was carried out on the bioremediation of oil contaminated soil using bi ...More

Article 2023 Mühendislik Fakültesi Plant, Soil and Environment69 ( 4 ) 26 Views
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Ecological aspects in the use of soil enzymes as indicators of anthropogenic soil pollution

Nurzat TOTUBAYEVA

In the contemporary era, with rapid industrial growth and urbanisation, analysing the impact of human activities on soil enzyme activity becomes crucial. The purpose of this study is to assess the influence of anthropogenic pollution on enzyme activity in soil. Research on enzyme activity levels in the soil in the city of Kara-Balta, Chuy Region, Kyrgyz Republic, was conducted using biochemical analyses and specific enzymatic tests. The results revealed significant diversity in catalase activity in different soil samples. Some samples exhibited high activity, while others showed low activity. ...More

Article 2023 Mühendislik Fakültesi Scientific Horizons26 ( 12 ) 15 Views
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Development of mountain tourism and general tourism in the Kyrgyz Republic = Развитие горного и общего туризма в Кыргызской Республике

Kanatbek KOCOBAYEV

Рассказано об истории, текущем состоянии и проблемах туристической отрасли Кыргызстана. Туристический потенциал страны — огромный, однако экономическая отдача от него пока незначительная. В настоящее время наибольшее развитие получили два направления — рекреационный и культурно-познавательный туризм. Рекреационный туризм обеспечивает 90–95 % объема всех туристических услуг и базируется на потенциале оз. Иссык-Куль. Культурно-познавательное направление связано с уникальной природой и самобытной культурой кочевого народа гор. Большие перспективы развития имеет также экотуризм. - Ключевые слова: ...More

Article 2016 Mühendislik Fakültesi Горный журнал / Gornyi Zhurnal ( 8 ) 63 Views
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Mining- Associated environmental problems in the Kyrgyz Republic = Геоэкологические проблемы, связанные с деятельностью горнодобывающих предприятий Кыргызской Республики

Kanatbek KOCOBAYEV | Nurzat TOTUBAYEVA

Рассмотрены актуальные геоэкологические проблемы, связанные с деятельностью горнодобывающих предприятий Кыргызской Республики. Авторами сделан вывод, что почти все горнодобывающие предприятия оказывают опасное экологическое воздействие на окружающую среду. Необходимо уделять пристальное внимание не только хвостохранилищам, но и отвалам пустых пород, так как они могут иметь громадные объемы и служить опасными источниками химического загрязнения вод в течение длительного времени после закрытия предприятий. - Ключевые слова: Кыргызская Республика, горнодобывающие предприятия, геоэкологические пр ...More

Article 2016 Mühendislik Fakültesi Горный журнал / Gornyi Zhurnal ( 8 ) 39 Views
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Dynamics of Microbiological Diversity of Soils in the Chu Valley during Land Use Change in Pastures

Nurzat TOTUBAYEVA

Soil microflora is one of the first to feel a negative impact and can serve as a biological indicator of changes in the soil structure and the degree of impact on the soil ecosystem. In 2020, studies were carried out at two sites located in the Shamshy Gorge in the Chui region of the Kyrgyz Republic. One of the plots was withdrawn from pasture use for one year in 2020 and two years in 2019 as compared to the actively used control option. The microbiological diversity was studied with conventional methods of microbiology. The micromycetes of the studied soils were represented in the dominance o ...More

Article 2022 Mühendislik Fakültesi Arid Ecosystems12 ( 2 ) 68 Views
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Removal of arsenic in groundwater from western Anatolia, Turkey using an electrocoagulation reactor with different types of iron anodes

Mehmet KOBYA | Mustafa DOLAZ

Electrocoagulation (EC) is a significantly efficient method for As removal from waters and received considerable attention recently. In this study, the natural groundwater (GW) samples containing As concentrations of GW-1: 538.8 mu g L-1, GW-2: 1132.1 mu g L-1, and GW-3: 52, 000 mu g L-1 were obtained from different provinces and treated by EC process using different iron anodes (plate, ball, and scrap). To achieve drinking water As standard (10 mu g L-1), the operational time, applied current, and As removal optimization for all anode types were studied. At applied current of 0.025 A, the As ...More

Article 2022 Mühendislik Fakültesi Heliyon8 ( 9 ) 55 Views
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Investigation of changes in rheological properties during processing of fermented cereal beverages

Canıl İSKAKOVA | Camilya SMANALİYEVA

Many indigenous fermented foods and beverages consumed throughout the world are produced at home or in crafts enterprises. The production of fermented beverages on a large commercial or industrial scale requires clearly established technical and technological requirements. This study shows a novel way to investigate the optimal process parameters of the Kyrgyz traditional fermented beverage Bozo using rotational rheological parameters. Five significant process parameters were investigated like cooking of millet porridge, the mashing temperature, the mashing time under conditions of mixing and ...More

Article 2019 Mühendislik Fakültesi Journal of Food Science and Technology56 ( 9 ) 67 Views
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RECOVERING OF INDIGO DYE FROM DENIM WASTEWATER WITH H2O2 IN THE PRESENCE OF KI CATALYST

Mustafa DOLAZ

Today, the textile industry, which is rapidly developing and growing in proportion to the human population, poses serious environmental and health problems in terms of waste. In the world, indigo dyes are widely used in the manufacturing of jeans fabrics especially in textile factories producing cotton fabrics. The overall objective of the present study is to recover indigo dye which is referred to as the pollutant released into the wastewater and to assess the removal of color via oxidation. For this purpose, denim wastewater containing solid particles and small size cotton fibers was filtere ...More

Article 2021 Mühendislik Fakültesi Environmental Engineering and Management Journal20 ( 9 ) 67 Views
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A Comparison of Various Ecological Indexes for Environmental Assessment of Vulnerable Mountain Ecosystems

Nurzat TOTUBAYEVA | Kanatbek KOCOBAYEV | Gülbübü KURMANBEKOVA | Ciyde TOKPAEVA

The aim of this work was to compare various ecological indexes to assess the state of urbanized ecosystems of the Issyk-Kul region in the Kyrgyz Republic. Soil samples were analyzed for Pb, Zn, Fe, Cu and Cd using AAS. Heavy metal contamination status was assessed using indexes for enrichment factor, geo accumulation, contamination factor, degree of contamination, pollution load, potential ecological risk and integrated risk using the Triad approach. Results show marked variations of heavy metal concentrations within the study area. The concentrations of heavy metals in soils of Issyk-Kul had ...More

Article 2020 Mühendislik Fakültesi Polish Journal of Environmental Studies29 ( 4 ) 97 Views
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