water management Articles
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Sanitation Using Ozone & Chlorine
For nearly 100 years, ozone has been used all over the world for water sanitation. It is nature’s strongest oxidizer and has a byproduct of pure oxygen. Chlorine, on the other hand, is a very effective, time-proven chemical, but is ineffective against hard-to-kill microorganisms such as cryptosporidium. It also has some unpleasant byproducts. Together, however, these two substances can ...
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Sewer mining to supplement blackwater flow in a commercial high-rise Australia-Sydney case study
Project Background or Rationale Australia’s warm climate and habitual droughts have resulted in innovative water conservation practices in commercial developments, such as 1 Bligh Street in Sydney. Commissioned in May 2011, the highly acclaimed 29 story office tower overlooking the Sydney Harbor captures nearly 100 percent of its wastewater and reuses it in the building. By recycling the ...
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Commercial Validation Trial Results Confirm BioLargo’s Advanced Oxidation System (AOS) as High Performance, Cost-Effective Water Treatment System
BioLargo, Inc. (OTC: BLGO) held its third annual “AOS technical symposium” last month, hosting a group of scientists, collaborators, water industry experts, and government representatives, according to a recent post on the company blog. Prior AOS symposiums have updated stakeholders on the company’s progress with their innovative technologies for high performance, low cost, ...
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How innovation is flourishing at the grassroots
SciDev.Net reporters across the developing world describe exciting initiatives aimed at supporting innovation in local communities and remote areas. From small-scale hydro-powered electricity in Malaysia to cost-saving solar pumps in Pakistan, communities across the developing world are devising ingenious solutions to improve their livelihoods and promote sustainable development. They face many ...
By SciDev.Net
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Winterizing your Cooling Tower: Clean or Disinfect?
Fall is a busy season for our water quality engineers. They’re helping facility managers prepare open-loop water systems for winter and low-flow season. Part of those winter preparations involves a thorough cooling tower cleaning or disinfection. Read on to learn why that’s important, as well as what to expect. Why Clean Or Disinfect Your Cooling Tower? Like all of the equipment in ...
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How to Create a Hydrological Map Portal
Hydrology databases make it possible to map, track and observe water resources. Monitoring and modelling the data is essential in creating a sustainable system for managing the public water supply. Having to find and track down needed information manually is inefficient and unreliable, especially when taking into consideration that all assessments and analyses are made with geospatial data ...
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New Atlas shredder: e-drive and intelligent energy management – an innovative yet ingeniously simple solution - Case Study
Lindner-Recyclingtech is responding to the increasing demands placed on the automated sorting of valuable recyclables as well as the ensuing rise in the need among producers of solid recovered fuels (SRF) for pre-shredded yet ideally sortable material. With the new Atlas, the leader in shredding technology is not only focusing on the energy efficiency of shredding systems, but also on the ...
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EPA SUPPORT EXPANDS ENVIRONMENTAL EDUCATION FOUNDATION MOLD & IAQ TRAINING AND COMMUNICATES A NEW SET OF STANDARDS TO MEDIATE THE MOLD CRISIS
IAQ/Mold Professionals, Real Estate, Insurance and Financial Industries Reduces Risks from Mold and IAQ Exposure Insurance Carriers and Lenders Back New Mold/IAQ Standards Lack of Standards Now a “Non-Issue” as Industries Unite and Agree No one likes to talk about mold, yet it has quickly become a multibillion-dollar problem for mortgage banking companies, insurance companies, ...
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Decentralized wastewater management in Kieu Ky Vietnam
1. Overview and Key Points In order to eliminate the common ‘out of sight out of mind approach’ in sanitation, whereby sewers and/or drains are discharged into rivers, a Decentralized Wastewater Treatment System (DEWATS) was designed and implemented in Kieu Ky to treat wastewaters arising residential properties and various craft industries. A clear understanding of topography, ...
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Putting community resilience into practice - Initial lessons learned
Partners for Resilience (PfR) is a collaboration of CARE Nederland, Cordaid, the Netherlands Red Cross (NLRC), the Red Cross/Red Crescent Climate Centre, Wetlands International and 30 civil society partners in the global South. It is one of the biggest programmes of its kind in the world, working on ecosystem-based and climate-smart disaster risk reduction (DRR) in nine countries (see map below), ...
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Living with floods in the Mahanadi Delta, India
In October 2013, one of the fiercest cyclones to hit the Bay of Bengal for many years made landfall on the low-lying delta coast of the Indian state of Odisha. With winds battering the coastline at more than 200 kilometres per hour, the structural damage from cyclone Phailin was intense. Thousands of straw, timber and bamboo homes were destroyed across the delta of the River Mahanadi, one of ...
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EPA Seeks Information on PFAS for Possible Addition to TRI List of Toxic Chemicals
On December 4, 2019, the U.S. Environmental Protection Agency (EPA) published an advance notice of proposed rulemaking (ANPRM) soliciting information as EPA considers a future rulemaking to add certain per- and polyfluoroalkyl substances (PFAS) to the list of toxic chemicals subject to reporting under Section 313 of the Emergency Planning and Community Right-to-Know Act (EPCRA) and Section 6607 ...
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Why geoengineering can be only part of the climate solution
Climate change is not a technological problem, so a technological fix is not enough. The failure of the Kyoto Protocol and the underlying process of the United Nations Framework Convention on Climate Change (UNFCCC) has led to substantial interest in geoengineering technologies, under the usual (and not entirely irrational) view that if policy can’t work, perhaps technology might. And ...
By Ensia
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Profile of Ozone/Bromine Sanitation Systems for City of Tucson Municipal Pools
Due to the inherent risks associated with the use of chlorine gas as a sanitizer for the City of Tucson’s twenty-six municipal swimming pool sites, I found myself in search of an alternative water sanitation method. The challenge was clear; find a system that would be safer to manage than gas chlorine, yet yield the same favorable sanitation and water quality results. Since all the sites ...
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Corporate Sustainability Programs
In today’s business world, sustainability is becoming an integral part of company operations. Here’s how a few manufacturers are making sustainability part of their business model, and how standards play a role. Understanding sustainability and what it means to be a sustainable business continues to evolve as more companies issue sustainability reports, sign on for carbon disclosure ...
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Greening the Built Environment
ASTM Standards and Products Form the Foundation of Sustainable Construction Efforts Today, a major focal point for the worldwide building industry is the growing demand for sustainable construction. Sustainable, or “green,” construction is focused on the more effective use of resources and ultimately the creation of healthier, energy efficient, more environmentally friendly homes and ...
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Questions and answers on the Commission Communication `Towards a Circular Economy` and the Waste Targets Review
What is a circular economy? A circular economy preserves the value added in products for as long as possible and virtually eliminates waste. It retains the resources within the economy when a product has reached the end of its life, so that they remain in productive use and create further value. It may involve: Increasing the time products deliver their service before coming to the end of ...
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Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures
Untitled Document Background The Regional Superfund Ground Water Forum is a group of ground-water scientists, representing EPA's Regional Superfund Offices, organized to exchange information related to ground-water remediation at Superfund sites. One of the major concerns of the Forum is the sampling of ground water to support site assessment and remedial performance ...
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Assessment of the Environmental Impact of Military Activities During the Yugoslavia Conflict
1. Executive Summary Assessment Method:The study was carried out over a period of ten days by a team of expert staff from the Regional Environment Center for Central and Eastern Europe (REC) and other contracted country experts. A framework was prepared by REC headquarters and the REC's country offices in the five selected countries gathered information and data. Additional experts were hired to ...
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