Now showing items 21-30 of 538
Recycling of construction and demolition waste in Brazil: 1986-2008A reciclagem de resíduos de construção e demolição no Brasil: 1986-2008
(ANTAC - Associação Nacional de Tecnologia do Ambiente Construído, 2009)
An emergy-based evaluation of a reverse logistics network for steel recycling
(Elsevier B.V., 2013-05-01)
Efficient implementation of recycling networks requires appropriate logistical structures for managing the reverse flow of materials from users to producers. The steel sheet distributor studied had established a protocol ...
Reciclagem de resíduos sólidos da construção civil no campus da Universidade Federal de Santa Maria
(Universidade Federal de Santa MariaBrasilUFSMCentro de Ciências Sociais e Humanas, 2015-12-17)
The construction industry is one of the most important economic activities in Brazil. However, this activity generates waste and causes environmental impact due to excessive consumption of raw materials, making it a difficult ...
Model-based supervisory control structure for plantwide control of a reactor-separator-recycle plant
(American Chemical Society, 2014-12)
This work presents a methodology for designing a supervisory control structure in plantwide control (PWC). First, available PWC structures are discussed focusing on their drawbacks originating from the scarce flexibility ...
Multidisciplinary study of chemical and biological factors related to lead accumulation in sorghum crops grown in contaminated soils and their toxicological implications
(Elsevier Science, 2016-01)
In this study, the content of Pb, the physico- chemical and biological parameters in soils, and the metal transfer to vegetative and reproductive Sorghum bicolor plants were evaluated along with their relationship with the ...
TREE HARK A RECYCLABLE WASTE OF INDUSTRIAL FORESTRY AS A SOIL SUBSTRATE FOR USE IN PLANT PRODUCTION
(UNIV AUSTRAL CHILE, FAC CIENCIAS FORESTALES, 1995)
This study tested the feasibility of using tree bark (in both its fresh and composted state) and mixtures of tree bark and sawdust as soil substrates and soil emendments. The results indicate that tree bark and sawdust ...