waste digester Articles

  • Building soils for storm water compliance and successful landscapes

    THE SOILS for Salmon project - initiated in 1999 by the Washington Organic Recycling Council (WORC) - has been building momentum through collaboration with the Washington Department of Transportation (WSDOT), regulators at the state Department of Ecology, local governments, scientists, and green leaders in the building, landscape and development industries. Over the years, the Soils for Salmon ...


    By BioCycle Magazine

  • Biofilter Applications in the Coatings Industry.

    Soaring energy costs and the high cost of ‘end-of-pipe’ pollution control equipment has caused companies and regulatory agencies to re-evaluate ‘unconventional’ means of achieving VOC and HAP emissions control. The coatings industry is an excellent candidate for alternative, unconventional controls, as VOC and HAP reductions have not been as strident as has been the case in many other industries. ...


  • To build a sustainable world, academics need to tear down the Ivory Tower

    Avoiding societal collapse means building bridges between science and the rest of the world. Until recently, Earth was so big compared with humanity’s impacts that its resources seemed limitless. But that is no longer the case. Thanks to rapid growth in both human population and per capita consumption, we are now on the edge of irrevocable damage to our planetary life ...


    By Ensia

  • Odor Control Advances at Composting Facility

    The Rockland County (New York) Cocomposting Facility began operations in February, 1999, processing biosolids from the five publicly owned treatment works (POTWs) in the county. The Rockland County Solid Waste Management Authority (RCSWMA) owns the facility, but contracted with Waste Management of New York to design, build and operate (DBO) the 110 wet tons/day agitated bin composting facility ...


    By BioCycle Magazine

  • We purify our waste­ water optimally

    Holzkirchen wastewater treatment plant achieves a new milestone in energy efficiency with AERsmart The Holzkirchen wastewater treatment plant has a clearly stated objective: “We purify our wastewater optimally.” For the municipal wastewater treatment plant, located 40 kilometres south of Munich, there is a requirement to operate in a way that is as resource-efficient as ...

  • What is a wastewater treatment system and how does it work?

    For industrial companies producing wastewater as part of it’s process, some type of wastewater treatment system is usually necessary to ensure safety precautions and discharge regulations are met. The most appropriate wastewater treatment system will help the facility avoid harming the environment, human health, and a facility’s process or products (especially if the wastewater ...


    By SAMCO Technologies, Inc.

  • Wastewater Mining and Reuse: Creating Benign Future Scenarios

    Wastewater mining: In addition to being perhaps the most uninviting combination of words, it sounds like a most unlikely idea. But for almost 30 years, Aqueonics, now headquartered in Greenville, SC, has pioneered such systems, starting in the ’80s, with its first wastewater mining project. For that project, Aqueonics provided an onsite or decentralized treatment system for a developer in ...


    By Aqueonics, Inc.

  • How we can vanquish pollution within our lifetimes

    Simply spreading the message could change the world The following is excerpted The Brown Agenda: My Mission To Clean up The World’s Most Life-Threatening Pollution by Richard Fuller, and is published here with permission from the author. Pollution is the leading cause of death in low- and middle-income countries. The top 10 ...


    By Ensia

  • What will it take to get plastics out of the ocean?

    From drones to filters to artificial islands, innovators are working to reduce the threat thousands of tons of trash pose to marine ecosystems. A few palm trees stand strong in the salty breeze. Located on the southern tip of the Pacific island chain of Hawaii, Kamilo Beach is an isolated stretch of black volcanic shoreline in the middle of nowhere. Just a few hundred yards ...


    By Ensia

  • Contained Composting Systems Rewiew

    Having gained success in recycling yard trimmings, composters and recycling coordinators are reaching deeper into the organic residuals pile to capture other feedstocks. In particular, their sights are set on source separated food materials, from institutions (e.g. schools, hospitals), grocery stores and produce markets, food processors and commercial food service facilities (e.g. restaurants). A ...


    By BioCycle Magazine

  • Professional Advice for NEBOSH Success

    Maximising your Study and Exam Approach Following the success of our NEBOSH Quick Reference Sheet we released last week, I thought I would build on this with some extra advice for those students who really want to go the extra mile. Do you just want to pass? Or do you want to get a Distinction? Maybe even a Best Candidate Award? If you’re ambitious, ...


    By SHEilds Ltd

  • Big Apple goes big on organics recycling

    NYC Will Have Largest Organic Waste Curbside Collection Program in Nation “DSNY’s Expansion of Food Scraps and Yard Waste Collection in Queens Makes Program Available to More Than 961,000 Residents” So read the headline of a November 14 press release from the New York City Department of Sanitation (DSNY) that announced DSNY’s expansion of food scraps ...


    By BioCycle Magazine

  • World’s largest compressible media filtration plant eliminates combined sewer overflows, with potential for dry-weather use

    The City of Springfield, Ohio, recently opened its 100 MGD enhanced high-rate treatment facility, designed to treat and disinfect combined high-volume stormwater and wastewater flows generated by wet-weather conditions. Utilizing EPA-documented Compressible Media Filtration technology – FlexFilter™ from WesTech – the system can also provide tertiary filtration and disinfection ...


    By WesTech Engineering, Inc.

  • Energy Neutral” Is More Than Just a Buzzword for WWTPs

    Could all wastewater treatment plants someday become energy neutral? The goal may sound unobtainable, but with the right technology, investments, and innovation it may not be. According to the American Biogas Council, the wastewater sector consumes 22 terawatt hours of electrical energy each year, but has the potential to generate 851 trillion BTU of ...


    By KLa Systems, Inc.

  • Sludge Blanket Level Detection – making new process opportunities possible

    Much Pulsar's Self-Cleaning Viper Sludge Sensor of the demonstrating the effective maintenance-free solution. discussion around the way we deal with sewage sludge – the way it is moved around the process, the bellmouth valves and decant processes, the downstream treatment of the liquors, important issues around TOTEX and discharge Compliance, plus more recently the ...

  • SolarBee Technical Bulletin

    A. SOLARBEE OVERVIEW 1. Origin of the SolarBee. Pump Systems, Inc. (PSI) developed, built and installed its first solar powered mixer in Dickinson, ND, in the summer of 1998. It was installed into a 30 acre x 13 foot deep municipal wastewater reservoir which had a long history of toxicity associated with ammonia, odor, and stratification problems. In six weeks the entire reservoir cleared up to ...


    By Medora Corporation

  • OSE II economic comparison to dispersants and mechanical Clean ups

    INTRODUCTION   Oil Spill Eater II is the name of a non-toxic product which provides the means for moving oil spill response out of its 19th Century methodology into the realm of advanced technological 21st Century breakthroughs for addressing and remediating 100% of any spill in any environment. In comparison, current response methods employed by three major oil companies - BP, Exxon ...

  • The elimination of fecal coliforms and e. coli in lagoons

    Many horse racetracks throughout the world are designed to drain water from the track into a lagoon that is located in the infield of the track. Due to the track being predominantly used for horse racing, there is a high amount of fecal coliform, especially of the Escherichia coli species, bacteria in the water that drains from the track. During the racing season, fecal coliform and E. coli ...


    By Reliant Water Technologies

  • Oil Spill Eater, Solution Oil Spillage in Niger Delta

    Oil Spill Eater II is the name of a non-toxic product which provides the means for moving oil spill response out of its 19th Century methodology into the realm of advanced technological 21st Century breakthroughs for addressing and remediating 100% of any spill in any environment.  In comparison, current response methods employed by three major oil companies - BP, Exxon and Shell - are ...

  • New Developments in Thermal Dispersion Mass Flow Meters

    Introduction This paper describes a newly developed microprocessor-based thermal dispersion mass flow meter that uses four temperature sensing elements in its flow sensor instead of the traditional two elements and automatically manages changes in gas selection, gas temperature, gas pressure, and outside temperature. This new mass flow meter is ideally suited for apportionment applications ...


    By Sierra Instruments, Inc.

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