Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Rayka K. Vladova"'
Publikováno v:
Chemical Engineering Transactions, Vol 105 (2023)
Dairy production has a significant environmental impact related with wastewater and air pollution. In addition, it is a large consumer of water and energy. The most effective way to improve its sustainability is through analysis of the food-water-ene
Externí odkaz:
https://doaj.org/article/48cbea96829b44a9aa29388351f1c17c
Autor:
Rayka K. Vladova, Tatyana S. Petrova, Desislava S. Nikolova, Elisaveta G. Kirilova, Kiril T. Kirilov
Publikováno v:
Chemical Engineering Transactions, Vol 105 (2023)
Milk and milk products are an important part of the daily menu of millions of people around the world. Increasing the efficiency and competitiveness of this type of production is related to the implementation of the strategy of sustainable management
Externí odkaz:
https://doaj.org/article/b7d7326ba96f495aae69a1760930534e
Publikováno v:
Chemical Engineering Transactions, Vol 103 (2023)
The production of dairy products in the relevant supply chains (SCs) is associated with the generation of significant amounts of pollutants in the wastewater and CO2 emissions into the air, which released into the environment can cause a great risk o
Externí odkaz:
https://doaj.org/article/1e36e448bb324ed4bfc909a3e555d5fa
Autor:
Elisaveta G. Kirilova, Natasha Gr. Vaklieva-Bancheva, Rayka K. Vladova, Tatyana S. Petrova, Desislava S. Nikolova, Evgeniy Iv. Ganev, Yunzile R. Dzhelil
Publikováno v:
Chemical Engineering Transactions, Vol 94 (2022)
Population growth and income, together with urbanization, have caused a significant increase in demand for dairy products. This creates opportunities for increasing the profit from dairy production, but on the other hand, it is associated with the ge
Externí odkaz:
https://doaj.org/article/61aa6ffc65cd47b685d039c61fc63f40
Autor:
Apostol Apostolov, Elisaveta G. Kirilova, Rayka K. Vladova, Natasha Gr. Vaklieva-Bancheva, Tsvyatko Rangelov
Publikováno v:
Chemical Engineering Transactions, Vol 94 (2022)
This paper presents a theoretical study on the influence of the geometry (layer thickness and length) and the magnitude of axially applied tension load on the delamination in a three-layer graphene/PMMA nanocomposite. Two different analytical solutio
Externí odkaz:
https://doaj.org/article/d11c5c1ea16f41709e03a1b4a486211b
Autor:
Elisaveta G. Kirilova, Natasha Gr. Vaklieva-Bancheva, Tatyana St. Petrova, Rayka K. Vladova, Petar Sabev Varbanov
Publikováno v:
Chemical Engineering Transactions, Vol 88 (2021)
The increase of pollutants generated in the production of dairy products, the increase of the production costs and emerging social problems requires the development of approaches for resilience improvement of the considered product productions. An ef
Externí odkaz:
https://doaj.org/article/b311481755bc4b139f931d7656d9e563
Autor:
Boyan B. Ivanov, Desislava St. Nikolova, Elisaveta G. Kirilova, Natasha Gr. Vaklieva-Bancheva, Rayka K. Vladova
Publikováno v:
Chemical Engineering Transactions, Vol 88 (2021)
The rapid depletion of fossil fuels and the increased environmental impact of their combustion make it necessary to find cleaner and more sustainable energy resources. Over the last decades, biodiesel has been introduced as an alternative because of
Externí odkaz:
https://doaj.org/article/aca151e599f54bb89d236e7e83d344bb
Publikováno v:
Chemical Engineering Transactions, Vol 81 (2020)
This study proposes a deterministic optimization approach for products portfolio design of a Sustainable Supply Chain (SSC) comprising suppliers, plants and markets for production of dairy products using different recipes. It includes three interconn
Externí odkaz:
https://doaj.org/article/4f7a68891e554cd49425e535b077a4c6
Improving the Energy Efficiency of the ATAD System through Redesign using Integration Superstructure
Publikováno v:
Chemical Engineering Transactions, Vol 70 (2018)
The aim of this study is application of an approach for solution of two-stage stochastic optimization problem for design of heat-integrated Autothermal Thermophilic Aerobic Digestion (ATAD) bioreactors system for municipal wastewater treatment operat
Externí odkaz:
https://doaj.org/article/8b6f31c2a36f4464a7ce2c15f1f9f8e5
Publikováno v:
3rd International Conference on Technologies & Business Models for Circular Economy: Conference Proceedings.
In recent years, there has been increasing talk of improving energy efficiency and the ability to reduce greenhouse gases in wastewater treatment plants. This necessitates exploring the possibilities for reducing energy costs and the possibilities fo