Environmental and Climate Technologies最新文献_第3页

Treatment of Water Containing Dyes Using Cellulose Aerogels 纤维素气凝胶处理含染料水

IF 1.4

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0024

Monika Liugė, D. Paliulis

{"title":"Treatment of Water Containing Dyes Using Cellulose Aerogels","authors":"Monika Liugė, D. Paliulis","doi":"10.2478/rtuect-2023-0024","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0024","url":null,"abstract":"Abstract In recent years, there has been an interest in the study of new methods for the removal of dyes from water due to its large-scale use in different industries, for example, for paper printing, textile, leather, pharmaceutical, food or technological applications. It is estimated that more than 700 thousand tons of about 10 000 different types of dyes are produced annually. Most of them are synthetic origin and can generate adverse effects, for example, teratogenic, mutagenic and carcinogenic action. Dyes are mainly applied in the textile industry, and they are usually classified into anionic (acid dyes), cationic (basic dyes) and non-ionic (disperse dyes) dyes. The direct discharge of dyes into the environment can cause various damages to plants and animals: dyes can block the penetration of sunlight, reduce the photosynthetic efficiency of aquatic plants and ultimately destroy the ecological balance of the aquatic ecosystem. This study determined the adsorption efficiency of congo red, methylene blue, rhodamine B and naphthol green B dyes used in textile industry by using the aerogel – an adsorbent synthesized from paper waste. Total carbon was selected as indicator of dye concentration in solution. An increase in fibre content from 3 % to 5 % contributes to the improvement of adsorption properties. The decrease in congo red concentration after an adsorption process was 31.0 % and 38.0 % respectively; the decrease in methylene blue was 2.49 % and 8.15 %; the decrease in naphthol green B was 28.04 % and 34.14 % and the decrease in rhodamine B was 1.28 % and 4.13 %.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"115 1","pages":"314 - 322"},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73401534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydraulic Structures as Flow Measuring Devices 作为流量测量装置的水工建筑物

IF 1.4

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0002

E. Bílková, J. Souček, K. Tskhakaia, Petr Nowak

引用次数: 0

Criteria for the Assessment of Health Risk from a Waste Gasification Plant 废物气化厂健康风险评价标准

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0048

Marco Tubino, Marco Ragazzi, Luca Adami, Marco Schiavon

{"title":"Criteria for the Assessment of Health Risk from a Waste Gasification Plant","authors":"Marco Tubino, Marco Ragazzi, Luca Adami, Marco Schiavon","doi":"10.2478/rtuect-2023-0048","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0048","url":null,"abstract":"Abstract In mountainous regions, the atmospheric dispersion of air pollutants is limited by complex terrain morphology. Trentino (a province located in the Italian Alps) is characterized by a high population density, highly developed agriculture and farming, and the presence of civil and industrial activities, whose emissions tend to be trapped inside the valleys. These conditions translate into exposure levels that are potentially higher than other geographical contexts (e.g., flat or coastal regions). The academic research carried out in Trentino since 2005 has produced a series of publications on topics related to the risk for health derived from waste management and other activities. These publications has focused on: 1) the evaluation of the emissions of organic pollutants from the waste sector; 2) the monitoring of persistent organic pollutants (POPs) in various environmental matrices; 3) a methodology to carry out a comprehensive health risk assessment considering all the relevant exposure routes in an area; 4) the role of the local diet in the exposure of a population to POPs; 5) methodologies to define new regulatory limit values for dioxin and hexavalent chromium; and 6) the role of dispersion modeling in assessing the exposure to air pollutants. The present paper will review these publications and provide a reference document to evaluate new project proposals that require a health risk assessment and facilitate the work of proponents, clarifying the requirements of a health risk assessment. The paper will refer to waste gasification, but the considerations expressed in this paper may apply to other activities.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135447598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Insights of Bioeconomy: Biopolymer Evaluation Based on Sustainability Criteria 生物经济的见解:基于可持续性标准的生物聚合物评价

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0025

Nidhiben Patel, Dagnija Blumberga

引用次数: 1

Fungal Hydrolysis of Food Waste: Review of Used Substrates, Conditions, and Microorganisms 真菌水解食物垃圾:常用底物、条件和微生物的综述

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0047

Indra Berzina, Kriss Spalvins

{"title":"Fungal Hydrolysis of Food Waste: Review of Used Substrates, Conditions, and Microorganisms","authors":"Indra Berzina, Kriss Spalvins","doi":"10.2478/rtuect-2023-0047","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0047","url":null,"abstract":"Abstract During food production significant amounts of organic waste is generated annually that can have a negative effect on the environment due to lack of efficient utilisation solutions and insufficient disposal practices. Fungi and their remarkable abilities to produce enzymes can be applied for hydrolysing different types of food waste in simpler sugars. Under optimal conditions, fungal hydrolysis of food waste can be rapid and efficient. Currently, the capacity of this process has only been briefly demonstrated in previous studies. This review describes different practices demonstrating the potential of fungal hydrolysis use for efficient resource management. The focus was on what organisms, waste substrates and parameters as temperature, pH level, have been applied in previous studies as well as glucose recovery yields. It was concluded that food waste can be efficiently hydrolysed and used as a substrate for the downstream production of value-added products using sequential fermentation. The optimal temperature was concluded to be above 45 °C, but the optimal pH level may vary depending on used organism and substate. In future research the possibility of optimizing fungal strains, creating mutants with enhanced enzyme-producing abilities, and application of more GRAS fungal species should be investigated. To conduct valorisation tests on new residues for fungal hydrolysis researchers must collaborate with manufacturers, thus exploring the suitability of a wider range of waste residues for fungal hydrolysis.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135319372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Theoretical Foundations of Gas Hydrate Synthesis Intensification 强化天然气水合物合成的理论基础

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0049

Bogdan Kutnyi, Anatoliy Pavlenko, Oleksandra Cherednikova

{"title":"Theoretical Foundations of Gas Hydrate Synthesis Intensification","authors":"Bogdan Kutnyi, Anatoliy Pavlenko, Oleksandra Cherednikova","doi":"10.2478/rtuect-2023-0049","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0049","url":null,"abstract":"Abstract The methods of industrial production of gas hydrates are considered, their problems are identified, and a list of factors that are decisive for the intensification of mass exchange processes is outlined. The prospective use of mass transfer devices with a dynamic interfacial surface for the synthesis of gas hydrates is substantiated. A mathematical model of hydrate formation on the surface of a water droplet moving in a gas flow is proposed. Digital solutions for various droplet sizes, velocities, gas pressures, water temperature, gas permeability of gas hydrate, and dynamics of hydrate formation over time were obtained. It was established that the main ways of intensification of the synthesis of gas hydrates are: obtaining smaller water droplets, maintaining the gas temperature at the level of 0 °С, increasing the gas pressure, and increasing the residence time of the droplet in the gas medium. Approximation formulas for calculating quantitative indicators of the influence of various factors on the formation of methane gas hydrate have been obtained. The analysis of the obtained results made it possible to establish promising directions for the optimization of equipment for the synthesis of gas hydrates.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135447613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluating Shading Effects of PV Systems: Discrepancies in Simulation Software and Energy Consumption 评估光伏系统的遮阳效果:模拟软件和能源消耗的差异

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0030

Aiman Albatayneh, Renad Albadaineh

{"title":"Evaluating Shading Effects of PV Systems: Discrepancies in Simulation Software and Energy Consumption","authors":"Aiman Albatayneh, Renad Albadaineh","doi":"10.2478/rtuect-2023-0030","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0030","url":null,"abstract":"Abstract A critical procedure in sustainable building design is that building energy consumption has significant implications for the global energy crisis and climate change. This study compares three simulation software programs for a photovoltaic system on a building’s roof. The low-rise residential buildings in three East Mediterranean cities (Amman, Mafraq, and Aqaba) represent moderate dry–warm, semi-arid, and humid subtropical climate zones were compared using three simulation software programs (IES-VE, Design-Builder, REVIT) for a typical building with PV on the roof and the second scenario without a PV system installed on the roof. This investigation aims to evaluate the shading effect of the PV system on a building’s roof structure by calculating the total heating and cooling loads required to maintain thermal comfort inside the building. The results showed significant discrepancies between the three software for the base building design and the PV system on the roof, with a range of around 50 %. This highlights the importance of evaluating and calibrating different simulation tools and using them with a great deal of caution.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135498013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Review of Sustainable Cryopreservation and Above-Freezing Storage Solutions of European Honey Bee Apis mellifera Drone Semen 欧洲蜜蜂雄蜂精液的可持续冷冻和冻存方法研究进展

IF 1.4

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0014

Agnese Smilga-Spalviņa, K. Spalvins, I. Veidenbergs

{"title":"Review of Sustainable Cryopreservation and Above-Freezing Storage Solutions of European Honey Bee Apis mellifera Drone Semen","authors":"Agnese Smilga-Spalviņa, K. Spalvins, I. Veidenbergs","doi":"10.2478/rtuect-2023-0014","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0014","url":null,"abstract":"Abstract The European honey bee Apis mellifera is the main pollinator for most crops used for human consumption. However, a number of diseases, parasites, pesticides and other factors that generally result in the widely described colony collapse disorder weakens honey bee colonies. In order to maintain the existing honey bee germ lines and facilitate the creation of new disease-resistant lines, it is necessary to ensure consistent breeding work, which would also allow the long-term preservation of the unique germplasm lines. One of the most promising solutions for the preservation of honey bee germplasm is the storage of honey bee drone semen. In recent decades, there has been a renewed interest in the preservation of honey bee drone semen using both cryopreservation and above-freezing storage methods. This review summarizes the latest developments in novel sperm storage technologies and their assessment by sperm quality and queen fertility indicators. Additionally, this article analyses the advantages and disadvantages of the reviewed solutions and outlines directions in which additional research would be needed to develop effective, available and affordable drone semen storage solutions. To the best of the authors' knowledge this is the first review of cryopreservation and above-freezing storage solutions of European honey bee Apis mellifera drone semen in the scientific literature.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"33 1","pages":"177 - 194"},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86825681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Use of Solar Collectors in Domestic Hot Water Systems in Central and Eastern European Countries: Simulation in TRNSYS 太阳能集热器在中欧和东欧国家家用热水系统中的应用:TRNSYS中的模拟

IF 1.4

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0019

A. Ołtarzewska, D. Krawczyk

{"title":"The Use of Solar Collectors in Domestic Hot Water Systems in Central and Eastern European Countries: Simulation in TRNSYS","authors":"A. Ołtarzewska, D. Krawczyk","doi":"10.2478/rtuect-2023-0019","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0019","url":null,"abstract":"Abstract Solar collectors are devices that enable the use of solar radiation, e.g., for hot water preparation or space heating. They are playing an increasingly important role in Europe and around the world, mainly due to the easy availability of the sun, as an energy source. The advisability of their use depends on a number of factors, of which climatic conditions are an extremely important one. This paper presents the results of energy simulations of a solar collector-based domestic hot water system for the capitals of five selected Central and Eastern European Countries (CEEC): Riga, Warsaw, Prague, Bratislava, and Zagreb. Using TRNSYS software, a theoretical model of the system was developed and dynamic simulations were carried out for the entire year. The amount of useful energy generated by the flat-plate collectors, their efficiency, as well as the auxiliary energy requirements and the amount of energy needed to meet the load were estimated and compared. The extent to which changing the area of solar collector affects the operation and efficiency of the system for different locations was also analysed. The results showed that in terms of efficiency, the use of solar collectors is most favourable in placed southernmost Croatia and in Slovakia, where it was also achieved the lowest annual auxiliary energy demand. The least favourable location turned out to be Riga. It is also worth noting that regardless of location, the area of solar collector has a significant impact on the efficiency of the entire system.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"7 1","pages":"243 - 253"},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87351949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Bioactive Derivatives from Algae: Properties and Applications in Pharmaceuticals 藻类的生物活性衍生物:性质及其在药物中的应用

Environmental and Climate Technologies Pub Date : 2023-01-01 DOI: 10.2478/rtuect-2023-0032

Anna Merlo, Fosca Conti

{"title":"Bioactive Derivatives from Algae: Properties and Applications in Pharmaceuticals","authors":"Anna Merlo, Fosca Conti","doi":"10.2478/rtuect-2023-0032","DOIUrl":"https://doi.org/10.2478/rtuect-2023-0032","url":null,"abstract":"Abstract Using algae metabolites is considered a current and innovative topic of interest. Among the various applying sectors such as food, manufacturing, and environment, these organisms are also characterized by a high therapeutic potential. The influence of biotic and abiotic factors allows the production of different bioactive compounds, such as carbohydrates, polyphenols, proteins, vitamins, sterols, fatty acids and many others. The algal biomass is investigated to discover and develop new possible therapies and nowadays different properties have been determined, like antioxidant, antiviral, antimicrobial, anti-inflammatory, antidiabetic. Typical examples include the application of algae in diabetes mellitus, which is a disease that is continually spreading throughout Europe and the world. Numerous trials are currently underway to develop innovative and effective treatments, as well as several algae are being investigated in order to gain a deeper understanding of this pathology. In recent studies it has been demonstrated that metabolites such as polyphenols, polysaccharides and pigments, by their inhibitory activity, are capable of reducing blood glucose levels and increasing the amount of insulin.","PeriodicalId":46053,"journal":{"name":"Environmental and Climate Technologies","volume":"274 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135600996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0