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Rezultatele pentru molding plaster

Rezultate gasite: 10

Environmental Engineering and Management Journal, Vol. 9 Nr. 1
Environmental Engineering and Management JournalVol. 9Nr. 1
? Kinetics considerations concerning the oxidative degradation by photo-fenton process of some antibiotics ? Catalytic wet hydrogen peroxide oxidation of 4-chlorophenol over iron-exchanged clays ? Researches on the negative effects assessment (slugging, clogging, ash deposits) developed at the biomass-coal co-firing ? Contribution to the study of the environmental heritage of a former chemical plant ? Impact of chemicals on derivatives with important therapeutic activity in C...
Autori:
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25376

Socio-environmental impact of idol immersion: dimensions and directions
Environmental Engineering and Management JournalVol. 8Nr. 1
AbstractIndia possesses a diverse and rich cultural heritage and is renowned as a 'land of festivals'. These festivals attract massive community involvement paving way to new materials such as 'Plaster of Paris' being used for 'modernizing' the representation of idols with very little thought given to the issues of toxicity and environmental impacts. Another dimension to the whole issue is the plight of the artisans and the workers involved in the trade. Owing to the unorganized nature of the in...
Autori: Nanda B. S. Kumar, Raghunath Babu Are, Santosh M. Avvannavar, Shrihari Surathal
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25349

Valorization of plaster molds waste from fine ceramic industry
Environmental Engineering and Management JournalVol. 9Nr. 1
Abstract The Environment Action Program foresees the development of a Thematic Strategy concerning the sustainable use of natural resources and waste management (Report EUR 21002 EN, 2004). In this context, the activities regarding the research and industrial development related to waste valorization through recycling and reusing have been grown. The wastes resulted from the fine ceramic technological process (scraps, used molds etc.) may be valorized. The used molds can be valorized in other...
Autori: Ion Balasanian, Liliana Lazar
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25582

POLYMERIC WASTES FROM AUTOMOTIVES AS SECOND RAW MATERIALS FOR LARGE SCALE PRODUCTS
Environmental Engineering and Management JournalVol. 12Nr. 8
AbstractEfficient large-scale recycling of polymeric wastes for automotives is of increased interest from ecologic and economic point ofview and represents an important goal for the car recycling industry. One alternative is to develop novel composite materials,relying on waste car parts, for indoor or outdoor large-scale applications, without using small molecular plasticizer or otheradditives but insuring a good compatibility for large percentages of thermoset plastics in the composite. Previo...
Autori: Anca Duta, Cristina Cazan, Dana Perniu, Mihaela Cosnita
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25982

UNCONVENTIONAL MORTARS WITH RECYCLED CATHODE RAY TUBES WASTE GLASS
Environmental Engineering and Management JournalVol. 14Nr. 11
Abstract In the European Union, the hazardous waste recycling has become a priority, as response at legal prohibition for landfilling of untreated WEEE. The economic and eco-efficient recycling methods acquire more and more interest from the industry. The Cathode Ray Tubes (CRT) glass derived from Waste of Electric and Electronic Equipment (WEEE) dismantle is known as hazardous waste, because of their heavy metals content, especially lead. For this type of waste, the authors have proposed in...
Autori: Antoanela Popovici
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26890

CO-DESIGN FOR A CIRCULAR APPROACH IN GREEN TECHNOLOGIES: ADAPTATION OF REUSED BUILDING MATERIAL AS GROWING SUBSTRATE FOR SOILLESS CULTIVATION OF LETTUCE (Lactuca sativa var. capitata)
Environmental Engineering and Management JournalVol. 16Nr. 8
Improving the awareness of the responsibility of our actions is the basis of achieving the ambitious aim of waste management and prevention established by the European Waste Framework Directive 2008/98/CE and the most recent Circular Economy Package. Circular Economy is connected both to improve manufacturing technologies and also educate people towards responsible consumption and waste reduction. Due to its educational and institutional role, universities provide a context to rethink not on...
Autori: Sara Rizzo
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27414

INVESTIGATING EFFECTS OF PRODEGRADANT CONTENT ON SELECTED PROPERTIES OF POLYMER COMPOSITE MATERIALS
Environmental Engineering and Management JournalVol. 16Nr. 12
This paper introduces basic information on the biodegradation of polymers as well as the mechanisms of degradation and factors influencing this process. This paper describes prodegradant additives that induce decomposition of polymers to biodegradable compounds with regard to additives causing oxo-biodegradation. Based on the results of experiments conducted for molded pieces made of polypropylene and extrudates made of low density polyethylene with a d2w prodegradant additive, dependences betwe...
Autori: Tomasz Jachowicz
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27519

WASTEWATER SEPARATION FROM GYPSUM SUSPENSIONS AND THE MANAGEMENT OF RESULTING WASTE
Environmental Engineering and Management JournalVol. 18Nr. 2
In this work, the examination of separation of gypsum from wastewater generated during the machining of casts and the method of waste gypsum management have been presented. This waste gypsum is produced in Ortolab Poland facilities. Gypsum casts are cut and ground in water-cooled circular saws. Wastewater, with over-normative content of suspension, 10000 mg L-1 and sulphates, 1600 mg L-1 is produced in the process. The analysis of water and wastewater management in Ortolab Poland facilities l...
Autori: Ewa Liwarska-Bizukojc
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27910

SPECTROSCOPY STUDY OF HERITAGE OBJECTS FOR THE DIGITIZATION OF CULTURAL HERITAGE
Environmental Engineering and Management JournalVol. 19Nr. 6
Cultural heritage objects represent valuable testimonies of the past, which must be kept in the right condition to transmit to future generations. Together with the spectacular progress recorded by humankind regarding technology, opportunities to obtain valuable data on heritage objects so as to preserve them have started to emerge. The current researchers aimed to determine the internal composition of the colors and materials used in some paintings from a historic wooden church monument, from ...
Autori: Elena Demenchuk
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28230

EVALUATION OF NETWORKS BETWEEN PRODUCTION UNITS IN THE POST-CONSUMER PET PACKAGING RECYCLING CHAIN
Environmental Engineering and Management JournalVol. 19Nr. 8
This study aimed to evaluate recycling networks for poly(ethylene terephthalate) (PET) packaging and propose a network structure for sharing recycling routes between different production units, using the Rio de Janeiro metropolitan region as a case study. A descriptive design was used and field research conducted to gather data on the recycling process. Participants were production units, classified as distributors, distribution recyclers, intermediate recyclers, and molding recyclers. A georefe...
Autori: Roberta Dalvo Pereira da Conceição
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28262

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