Jorge Mejia Articles | Environmental XPRT

Tackling medical waste in chile

Geconor are building a business treating medical waste in Chile We interviewed general manager Jorge Rivera to find out more. Having customers in more than 95 countries it can be challenging to ensure that we can provide a full service to our customers. This is where our expert team of distributors, partners and international engineers step in. Trained by our engineers in the complete ...

Oct. 10, 2018

By Addfield Environmental Systems Ltd.

Element-enrichment factors in Parmotrema bangii and Cryptomeria japonica of Portuguese islands of the central North Atlantic

Owing to their abundance and ability to accumulate airborne elements, the epiphytic lichen Parmotrema bangii (Vain.) Hale and bark from its phorophyte, the Japanese cedar Cryptomeria japonica (L. fil.) D. Don, were chosen as atmospheric biomonitors and collected at five islands of the Azores archipelago, in the central North Atlantic - Sao Miguel and Santa Maria (eastern group); Terceira, Sao ...

Jun. 30, 2010

By Inderscience Publishers

Precellys, trusted reference used by researchers worldwide

Over the last years, biology techniques have considerably evolved, whether it be with mass spectrometry protein analysis or multiplex protein analysis and nucleic acids with qPCR, or sequencing… All those techniques have reached sensitivity levels never reached before. In parallel to increased sensitivity, cost per point has become lower for all laboratories, broadening the possibilities ...

Apr. 9, 2019

By Bertin Instruments

Big City, Small Water Footprint

Researchers have found that in general, larger cities have smaller per capita water footprints. Research team hopes to produce tool to predict water use A 2018 study by a team of Penn State researchers has discovered that large cities are generally more water efficient and productive than mid-sized cities. Large cities have a smaller water footprint for their size, but rather than being a ...

Nov. 22, 2018

By Fluence Corporation

True Partnership: “It’s like pure is a true extension of our staff team—that’s what makes their relationship with WSSC work so well”

The best relationships are built on trust and responsiveness. Collaboration between The Washington Suburban Sanitary Commission (WSSC) and Pure Technologies began in earnest nearly a decade ago, and continues today as the two partners work together as one unified team to ensure the overall health of WSSC’s extensive large diameter water main network. The Washington Suburban Sanitary ...

Mar. 25, 2016

By Pure Technologies - a Xylem brand

Nitrate Biosensor - Case Study

BACKGROUND In 1998, Dr. Bill Campbell and his team published a peer-reviewed journal article in Analytical Chemistry on the construction and characterization of Nitrate Reductase-Based Amperometric Electrode and Nitrate Assay of Fertilizers and Drinking Water. This publication set the stage for the nitrate biosensor project. In this publication, we found that nitrate reductase was indeed capable ...

Apr. 24, 2020

By NECi Superior Enzymes

World Bank Stresses Resilience in Rebuilding Caribbean

The Caribbean is an ideal environment for decentralized treatment, with small, developing communities often in remote locations isolated from water grids. Decentralization cited as an important factor in new generation of infrastructure In the wake of Hurricanes Irma and Maria, the World Bank held a high-level meeting on recovery and resilience in the Caribbean on October 13, 2017, at its ...

Jul. 2, 2018

By Fluence Corporation

An Investigation of Meromixis in Cave Pools, Lechuguilla Cave, New Mexico

Abstract: Levy D B 2008 An Investigation of Meromixis in Cave Pools. Lechuguilla Cave. New Mexico International Journal of Speleology, 37 (2), 113-118 Bologna (Italy) ISSN 0392-6672. Chemical characteristics of permanent stratification in cave pools (meromixis) may provide insight into the geochemical origin and evolution of cave pool waters The objective of this study was to test the ...

Jul. 1, 2008

By In-Situ, Inc.

Nanofiltration: properties and uses

Untitled Document Koch Membrane Systems' Henia and Jorge Yacubowicz outline the uses and benefits of nanofiltration. Modern crossflow filtration technology has principally evolved during the last thirty years, following the significant advancements in polymer chemistry over the same time. Today, a vast majority of crossflow filtration installations utilise polymeric ...

Sep. 23, 2005

By Filtration + Separation - Elsevier Ltd

Towards an early warning and information system for invasive alien species (IAS) threatening biodiversity in Europe

Acknowledgements We would like to thank EEA staff, in particular Ivone Pereira Martins (Head of Biodiversity Group), Ahmet Uludag (Project Manager, Invasive Alien Species) and Carlos Romao (Project Manager, Biodiversity and Ecosystems), for the support in realising the present report. Special thanks also go to Tor-Bjorn Larsson who contributed to the launch of this initiative and provided useful ...

Jun. 1, 2010

By European Environment Agency (EEA)

The surprising link between the tapirs of Costa Rica and climate change

New studies suggest that protecting tapirs and other large seed-eating mammals is key to preserving carbon storage in rain forests. Esteban Brenes-Mora has been obsessed with tapirs — large, pig-like jungle dwellers — for as long as he can remember. It started with a sticker book his grandfather gave him as a child, and continued through zoo visits and into his university studies. ...

Sep. 7, 2016

By Ensia