Featuring informal writing on the environment, sustainability, and higher education.
Hello Bob,My name is John Clifford, founder and president of Focused Sustainability Consulting Group. Among other things, we are a distributor of the Big Hanna brand of on-site, in-vessel composters.In response to your blog inquiry I want to introduce you Big Hanna Composters.These on-site composters are targeted toward low to medium generators i.e. colleges & universities, school systems, hotels, resorts & high volume restaurants, banquet/function facilities, hospitals, long-term care facilities, prisons,country clubs and companies w/on-site food prep,etc. The end product is a high quality compost that can be used on-site for vegetable gardens, a soil amendment mulch to reduce/eliminate chemical fertilizer costs, sold or given away to stakeholders. The volume reduction is around 90% i.e. 1,000Lbs of food waste will produce about 100Lbs of finished compost. There are built in process controls so meat and dairy are acceptable feedstocks as is all other pre and post consumer food scraps. The technology is Swiss engineered and is beginning to be manufactured in North America (Montreal). There are hundreds of installations in Europe/UK and a handful here in North America. In fact, the first unit installed in 1990 is still operating in Europe so the technology has a long proven track record. Installations can be done both in and outdoors! Unlike other products on the market these units do not turn food scraps into gray water and wash it down the drain or use microbes to partially reduce the volume into a digestate that still needs to hauled off-site and requires further processing to be of value. The product coming out of the machine is finished compost ready to be used. The reason our end product is finished/stabilized compost is the extended processing time inside the vessel (10 – 12 weeks depending on recipe). We are able to accomplish all three phases of the composting process inside the vessel (Thermophilic , Mesophilic & Maturation). When on-site composting is feasible the environmental benefits are enormous i.e. landfill reduction, reduced or elimination of hauling, reduced or elimination of petro-chemical fertilizers, etc. Truly turning a liability into an asset.There are four model sizes available the smallest - the T-60 can process up to 550lbs/week, the T-75 processes up to 700lbs/week, the T-120 processes up to 1100lbs/week while our largest unit the T-240 processes up to 2600lbs/week. The manufacturer will be releasing a larger machine later this year capable of about 2.5 tons per week. Options vary by unit. As I am sure you are aware -a waste audit needs to be conducted to determine the proper sizing. They are continuous feed units so you feed one end and finished compost is discharged from the other end. Depending on the breakdown of the feedstock you will see finished compost in 10 – 12 weeks. The compost can be stored for further maturation or mixed with a quality soil and used immediately (one part compost to four or five parts soil)Thank you fir allowing me to introduce Big Hanna and please visit the Big Hanna website at www.bighanna.com or feel free to contact me directly at 603-686-5367 or firstname.lastname@example.org
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