USE OF SECONDARY RAW MATERIALS OF TEXTILE MATERIALS IN PRODUCTION OF NEW MODELS OF CLOTHES

2020 ◽  
Author(s):  
E.V. Pshenichnikova ◽  
◽  
A.E. Ulanova ◽  
Keyword(s):  
Life Cycle ◽  
Raw Materials ◽  
Household Waste ◽  
Model Design ◽  
High Quality ◽  
Textile Materials ◽  
Secondary Raw Materials ◽  
New Models ◽  
Textured Materials

In article the question of a problem of processing of household waste which in our life became today especially sharp is brought up. Still absolutely new things become not necessary as quickly get out of fashion. Before consumers there is a task how to prolong life cycle of textile materials of high quality. The approach allowing to develop conditions of production of garments with a possibility of use differently of textured materials in one model design is represented.

Production of Partition Blocks from Synthetic Gypsum

2013 ◽  
Vol 860-863 ◽  
pp. 1338-1341 ◽  
Author(s):  
Marcela Fridrichová
Keyword(s):  
Tensile Strength ◽  
Raw Materials ◽  
Basic Unit ◽  
High Quality ◽  
Laboratory Environment ◽  
Secondary Raw Materials ◽  
Partition Walls ◽  
Complex Building

The task is solved in connection with Ministry of Industry and Trade project which is involved in development of a complex building programme based on high quality gypsum binder from secondary raw materials. Within one of sub-stages a solution of production of small plaster elements is subject of the project which should present a basic unit for construction of interior plaster partition walls. In the framework of the task a cast of plaster shaped block was carried out using a pilot form of own production. A plaster produced in optimised pilot way from the synthetic gypsum modified with plasticizer and retarding additive was used as a filler binder. After demoulding the produced block was exposed in laboratory environment and tested for setting of selected required properties according to standard EN 12859 (dimensions, density, flatness, tensile strength on bend, pH).

scholarly journals FEATURES OF TECHNOLOGY FOR PRODUCING MIXED BINDERS BASED ON SMALL NON-CONDITIONAL SANDS

2020 ◽  
pp. 66-71
Author(s):  
М. С. Сайдумов ◽  
А. Ш. Джандаров ◽  
Т. С-А. Муртазаева
Keyword(s):  
Portland Cement ◽  
Raw Materials ◽  
Physicomechanical Properties ◽  
High Quality ◽  
Performance Properties ◽  
Secondary Raw Materials ◽  
Fundamental Research ◽  
Scientific Project

В работе представлены результаты исследований некоторых особенностей получения смешанных вяжущих на основе мелких некондиционных песков. Разработаны теоретические положения повышения эффективности использования мелких песков в вяжущих путем их активации. Получены рецептуры смешанных вяжущих веществ на основе портландцемента, наполнителя из мелких песков и суперпластификатора «Мелфлюкс» и исследованы их основные технологические и физико-механические свойства. Работа выполнена в рамках исследований по реализации научного проекта № 18-48-200001 «Высококачественные бетоны с повышенными эксплуатационными свойствами на основе местного природного и техногенного сырья», получившего поддержку Российского фонда фундаментальных исследований» (РФФИ). The paper presents the results of studies of some features of obtaining mixed binders based on fine substandard sand. Theoretical provisions have been developed to increase the efficiency of the use of fine sands in binders by activating them. Formulations of mixed binders based on Portland cement, a filler from fine sands and Melfluxsuperplasticizerwere obtained and their main technological and physicomechanical properties were investigated. The work was implemented as part of research on the fulfillment of scientific project No. 18-48-200001 “High-quality concrete with enhanced performance properties based on local natural and secondary raw materials,” which received support from the Russian Foundation for Fundamental Research (RFFR).

scholarly journals Bases of legal adjustment of the reference and management with a soil waste in Ukraine

2009 ◽  
pp. 55-64
Author(s):  
G. Bilyk
Keyword(s):  
Waste Management ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Key Words ◽  
Raw Materials ◽  
Household Waste ◽  
Secondary Raw Materials ◽  
Working Out

In the article the analysis of legislative base which regulates references with a waste in Ukraine, and also activity of all authorities involved in this sphere are carried out. In this connection it is necessary to distribute accurately administrative obligations between separate establishments. For qualitative management of a household waste, finances should be provided. Working out and introduction of stimulus is necessary for the use of a waste, as e secondary raw materials in manufacture. In general the, process of implementation in the Ukrainian legislation to the legislation European will partially solve these problems with a waste. Key words: municipal solid waste, waste management, legislative regulates, implementation.

scholarly journals Current state and possibilities for oversized municipal waste management in the regions of Ukraine

2020 ◽  
pp. 115-126
Author(s):  
T. A. Safranov ◽  
T. P. Shanina ◽  
V. Yu. Prykhodko
Keyword(s):  
Waste Management ◽  
Management System ◽  
Raw Materials ◽  
Municipal Waste ◽  
Household Waste ◽  
Industrial Enterprises ◽  
Secondary Raw Materials ◽  
Current State ◽  
Municipal Waste Management ◽  
Used Cars

Human life and activities generate municipal solid waste (MSW) consisting of municipal household waste (residential waste), waste from commercial organizations, waste from public institutions and organizations, waste from industrial enterprises, waste from urban maintenance and improvement. A common feature for all these types of waste is the fact that a municipality is an institution responsible for organization, management of its disposal process. Such waste is generated in everyday life, across the food network, when carrying out repair and construction works, in the municipal transport and communication systems, etc. The aim of the work is to assess the current state and possibilities of oversized municipal waste management in the regions of Ukraine. In order to achieve this aim, the study of the existing regulatory documents and existing experience in the field of oversized municipal waste management was conducted. The work is based on the analysis of the published data, as well as on the materials of our own research. The implementation of the MSW management system implies creation of a municipal center for recycling secondary raw materials based on the modular quarterly principle. A recycling station with a mandatory module for oversized waste reception and sorting should become a main structural element of the recycling center. In addition, it is proposed to create separate sites for collecting the oversized waste. This has already been implemented in some cities of Ukraine. When differentiating SMW flows, due attention is not paid to the used cars that can contingently be attributed to oversized secondary raw materials. In Ukraine the existing recycling centers do not meet modern requirements. Due to the lack of necessary experience in handling the used cars, one should turn to foreign experience and focus on the requirements of the developed countries. According to international standards, the life of a car is 10 years with its subsequent utilization in such a way that prevents it from having a negative impact on the environment. Since, as of today, 27% of cars in Ukraine are older than 30 years, so in case of their mandatory utilization, the number of such cars will be approximately 2.5 million. With such total number of used cars each region of Ukraine will need to handle about 100 thousand recyclable cars. It is hardly possible to create the recycling centers in each region, so, at the first stage, it is advisable to organize such centers, for example, in each economic region or cluster. The creation of the oversized municipal waste management system in the regions of Ukraine will make it possible to turn the waste into useful products, to reduce the level of a negative environmental impact and to obtain not only ecological, but also socio-economic effects.

scholarly journals The Use of Glass from Photovoltaic Panels at the End of Their Life Cycle in Cement Composites

Materials ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 6655
Author(s):  
Kateřina Máčalová ◽  
Vojtěch Václavík ◽  
Tomáš Dvorský ◽  
Róbert Figmig ◽  
Jakub Charvát ◽  
...  
Keyword(s):  
Czech Republic ◽  
Life Cycle ◽  
Raw Materials ◽  
Cement Composite ◽  
Cement Composites ◽  
Solar Panels ◽  
The Czech Republic ◽  
Photovoltaic Panels ◽  
Recycled Glass ◽  
Secondary Raw Materials

This article deals with the use of photovoltaic panels at the end of their life cycle in cement composites. Attention is focused on the properties of cement composite after 100% replacement of natural aggregate with recycled glass from photovoltaic panels. This goal of replacing natural filler sources with recycled glass is based on the updated policy of the Czech Republic concerning secondary raw materials for the period of 2019–2022, which aims to increase the self-sufficiency of the Czech Republic in raw materials by replacing primary sources with secondary raw materials. The policy also promotes the use of secondary raw materials as a tool to reduce the material and energy demands of industrial production and supports the innovations and development of a circular economy within business. The research has shown that it is possible to prepare cement composite based on recycled glass from solar panels, with compressive and flexural strength after 28 days exceeding 40 MPa and 4 MPa. Furthermore, a possible modification of the cement composite with different pigments has been confirmed, without disrupting the contact zone.

Estimation of Recoverable Household Waste Cooking Oil and Life Cycle Analysis of Biodiesel Fuel Production

2008 ◽  
Vol 4 (4) ◽  
pp. 318-323 ◽  
Author(s):  
Hirotsugu KAMAHARA ◽  
Shun YAMAGUCHI ◽  
Ryuichi TACHIBANA ◽  
Naohiro GOTO ◽  
Koichi FUJIE
Keyword(s):  
Life Cycle ◽  
Life Cycle Analysis ◽  
Waste Cooking Oil ◽  
Household Waste ◽  
Biodiesel Fuel ◽  
Fuel Production ◽  
Cooking Oil

TECHNOLOGICAL ASPECTS OF HIGH QUALITY RAW MATERIAL OBTAINING FOR PECTIN PRODUCTION

1970 ◽  
pp. 47-50
Author(s):  
I. A. Ilina ◽  
I. A. Machneva ◽  
E. S. Bakun
Keyword(s):  
Raw Materials ◽  
Thermal Characteristics ◽  
Environmental Safety ◽  
Raw Material ◽  
High Quality ◽  
Temperature Conductivity ◽  
Drying Temperature ◽  
Plant Raw Materials ◽  
Gel Forming Ability

  The article is devoted to the study of the chemical composition, physical and thermal-pfysical characteristics of damp apple pomaces and the identifying patterns of influence of drying temperature the functional composition and gel-forming ability of pectin. The research is aimed at obtaining initial data for the subsequent calculation of the main technological, hydro-mechanical, thermal, structural and economic characteristics of devices for drying the plant raw materials, ensuring the environmental safety and high quality of pectin-containing raw materials, the reducing heat and energy costs. As a result of the study of the thermal characteristics of apple pomaces, the critical points (temperature conductivity – 16.5 x 10-8 m2/s, thermal conductivity – 0.28 W/m K, heat capacity – 1627 j/(kg K)) at a humidity of 56 % are determined, which characterizing the transition from the extraction of weakly bound moisture to the extraction of moisture with strong bonds (colloidal, adsorption). It was found that the pomaces obtained from apples of late ripening have a higher content of solids (21-23 %), soluble pectin and protopectin (2.5-4.5 %). Dried pomaces obtained from apple varieties of late ripening contain up to 25 % pectin, which allow us to recommend them as a source of raw materials for the production of pectin. The optimum modes of preliminary washing of raw materials are offered, allowing to the remove the ballast substances as much as possible. It is established that when the drying temperature increases, the destructive processes are catalyzed: the strength of the pectin jelly and the uronide component and the degree of pectin esterification are reduced. The optimum drying temperature of damp apple pomaces is 80 0C, at which the quality of pectin extracted from the dried raw materials is maintained as much as possible. It is shown that the most effective for the pectin production is a fraction with a particle size of 3-5 mm, which allow us to extract up to 71 % of pectin from raw materials.

scholarly journals 2-Piece Cork Stoppers as Alternative for Valorization of Thin Cork Planks: Analysis by LCA Methodology

Foods ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 873
Author(s):  
Francisco Javier Flor-Montalvo ◽  
Agustín Sánchez-Toledo Ledesma ◽  
Eduardo Martínez Cámara ◽  
Emilio Jiménez-Macías ◽  
Jorge Luis García-Alcaraz ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Raw Materials ◽  
Lca Methodology ◽  
Significant Difference ◽  
Different Dimensions ◽  
The Impact ◽  
Different Thickness ◽  
Cork Stoppers ◽  
Wine Bottle

Natural stoppers are a magnificent closure for the production of aging wines and unique wines, whose application is limited by the availability of raw materials and more specifically of cork sheets of different thickness and quality. The growing demand for quality wine bottle closures leads to the search for alternative stopper production. The two-piece stopper is an alternative since it uses non-usable plates in a conventional way for the production of quality caps. The present study has analyzed the impact of the manufacture of these two-piece stoppers using different methodologies and for different dimensions by developing an LCA (Life Cycle Assessment), concluding that the process phases of the plate, its boiling, and its stabilization, are the phases with the greatest impact. Likewise, it is detected that the impacts in all phases are relatively similar (for one kg of net cork produced), although the volumetric difference between these stoppers represents a significant difference in impacts for each unit produced.

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