Results 61 to 70 of about 317,942 (309)

Efficacy and Economic Benefits of Nano TiO2 Photocatalytic Advanced Oxidation Technology in Solid Waste Treatment

open access: yesMedžiagotyra
In order to assess the application value of nano TiO2 photocatalytic advanced oxidation technology in the field of solid waste treatment and improve the efficiency of waste disposal, this study investigates the preparation of TiO2/ZnIn2S4 composite ...
Fan ZENG   +4 more
doaj   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira   +4 more
wiley   +1 more source

Solid Waste Management System in the Kanifing Municipal Council's Area, the Gambia [PDF]

open access: yes, 2010
Pollution by solid waste and its management is an endemic problem that the Government of the Gambia through its municipalities has tried to address over the years but do not seem to bring it under control.
Badgie, Dawda
core  

Design and optimization of processes for recovering rare earth elements from end‐of‐life permanent magnets

open access: yesAIChE Journal, EarlyView.
Abstract Recovery of rare earth elements (REEs) from end‐of‐life (EOL) products represents a strategic opportunity to strengthen the domestic supply chain for rare earth elements. This work presents a superstructure‐based optimization framework for finding the most economical processing pathway for different EOL rare earth permanent magnets (REPMs ...
Chris Laliwala   +6 more
wiley   +1 more source

Literature review of solid urban waste

open access: yes, 2023
En este artículo se presenta el resultado de una revisión bibliográfica sobre la gestión de los residuos sólidos urbanos. Se exponen cifras actuales y en este contexto se citan los aspectos más relevantes que definen el camino de la investigación-acción sobre el tema.
Niezwida, Sonia Romina   +2 more
openaire   +1 more source

SmartDetectAI: An AI‐Powered Web App for Real‐Time Colorimetric Detection of Heavy Metals in Water

open access: yesAdvanced Intelligent Systems, EarlyView.
SmartDetectAI integrates silver nanoparticle‐based colorimetric sensing with an AI‐powered web app for rapid, on‐site detection of toxic heavy metals in water. By combining aggregation‐driven optical changes with machine learning analysis of red ‐ green ‐ blue values, the platform achieves portable, low‐cost, and accurate monitoring of Hg‐ and Cd‐based
Nishat Tasnim   +9 more
wiley   +1 more source

Urban solid waste in southern countries: from a blurred object to common pool resources [PDF]

open access: yes, 2012
It has been too long that the question of the municipal solid waste management in developing cities has had the replication of Northern operating devices as the only valued answer.
Cavé, Jérémie
core   +2 more sources

Urban Solid Waste Management in Karachi, Pakistan

open access: yesInternational Journal of Economic and Environment Geology, 2019
Karachi is the largest metropolitan city of Pakistan with a population of 207,774,520(Statistics, 2017). Ironically, a megacity of a developing state has its drawbacksanddiscrepancies in solid waste mechanism being one of them. Karachi has always been the center of businesses and government offices since independence, first as capital ofPakistan and ...
Muhammad Moiz Khan, Hajra Mahmood
openaire   +4 more sources

Waste material flow analysis in the Łódź Metropolitan Area

open access: yesEuropean Spatial Research and Policy, 2020
The main sources of waste generation are: industry, municipal sector, and agriculture. Municipal waste is solid and liquid waste that arise in households, public utilities (trade, services, handicrafts) and municipal services (e.g.
Konrad Czapiewski   +3 more
doaj   +1 more source

Voxel‐SLAM: A Complete, Accurate, and Versatile Light Detection and Ranging‐Inertial Simultaneous Localization and Mapping System

open access: yesAdvanced Intelligent Systems, EarlyView.
: In this work, Voxel‐SLAM (simultaneous localization and mapping) is introduced: a complete, accurate, and versatile LiDAR (light detection and ranging) ‐inertial SLAM system consisting of five modules: initialization, odometry, local mapping (LM), loop closure (LC), and global mapping (GM), all employing the same map representation, an adaptive voxel
Zheng Liu   +9 more
wiley   +1 more source

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