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Archive for September, 2014

17 September 2014

Tips on obtaining clean air permits for anaerobic digestion facilities

I’ve recently been deeply involved in permitting efforts for several dry anaerobic digestion (AD) facilities for Zero Waste Energy, LLC (ZWE). I would say that after preparing four permits in California (and successfully obtaining all four) and going after one more permit in Alabama, I have gotten a real window into what regulators are looking…

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Categories: Air Quality, Alternative Energy, Biogas and Landfill Gas, Environmental Planning & Compliance, Organics
Posted By Maria Bowen at 12:17 PM  |  No Comments on Tips on obtaining clean air permits for anaerobic digestion facilities

3 September 2014

The leachate treatment albatross – evolving limits adds to the challenge

One of the more common and cost-effective leachate management techniques is direct discharge through a publicly owned treatment works (POTW). However, new effluent limits and POTW treatment practices present new challenges and in response, leachate treatment is evolving. First of all, leachate minimization is becoming even more important. Secondly, there is more of an emphasis…

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Categories: Environmental Planning & Compliance, Landfill Engineering and Design, Solid Waste
Posted By Gary DiPippo, PE at 11:30 AM  |  No Comments on The leachate treatment albatross – evolving limits adds to the challenge