David house states in his excellent book that lbs of human waste produces about 0. Composting human waste is risky business and requires a compost system that produces a high temperature and maintains the temperature long enough to kill bacteria and pathogens. Composted human waste is excellent fertilizer for nonedible plants. The empty bin bottom is dished out, the biological sponge is added, and toilet materials are. Aug 27, 2012 soil turns human waste into compost in haiti rural residents of haiti most easily see the benefits of composting human waste, says sasha kramer, the cofounder of soil. Jan 12, 2018 composted human waste is excellent fertilizer for nonedible plants. The toilet used with the solar assisted composter can be either a commercial portapotty. And all human waste will eventually be converted back into the earth. More and more people are discovering the water and moneysaving benefits of fertilizing their gardens with human waste.
Composting the scary stuffmeat, dairy, bones, and human. Urine can be collected in mason jars, or if you are coordinated or male you. Improper disposal of toilet contents only makes the problem worse. It is so wonderful to have books published by a floridian about growing and composting in this very diverse state. This is an article on how to safely and easily compost human waste. When discarded into the environment as a waste material human waste, it. He broke open the bags to mix the contents with the compost. The first edition of the book was execrable, but it developed a life of its own. Nov 14, 2016 a dry composting toilet dct is a receptacle to catch waste humanure in order to recycle the organic matter. Mar 02, 2017 when the toilets backed up, i opened a clean out valve in the yard. Letting the compost sit for a year is extra insurance against pathogens, as they cannot survive for an indefinite period without a human host.
Composting human waste with worms back in november i was contacted by will milliken, the person in charge of some composting toilets at an aquatic research center. However, it isnt always essential if you arent in a hurry and your bin has been functioning well. How safe is it to use compost made from treated human waste. Apr 14, 2015 a project to turn corpses into compost. A project to turn corpses into compost the new york times.
Washington becomes first state to allow human composting as. Human waste composting safe, sanitary, ecofriendly, illegal. Placing fresh material in the center also promotes aeration, eliminating the need to turn the pile with a pitchfork, as is often suggested in composting books and classes. After the final batch of human waste has been added to the compost pile and the pile is approximately 3 feet in diameter and 3 feet high, then pile temperature management becomes extremely important.
The amount of biogas that can be yielded from human waste is limited in comparison with livestock manure and other feedstocks. Left unchecked, these conditions may force land managers to restrict access, or implement user regulations designed to protect the natural resources and enhance public health and safety. The literature indicates that aerobic, thermophilic composting is a reliable disposal method that can be low in cost and in maintenance. If this process is properly controlled then the harmful microorganisms inside human waste will be destroyed and the resulting compost can be. Jul 15, 2019 after reading the humanure handbook, i experimented in my backyard, suburb, home with 3 pallets zip tied together for the compost bin. The humanure handbook is a great how to and more importantly whyto guide to composting human manure. He seemed pretty passionate about what he was doing and excited by the results from using composting worms, so i asked about the possibility of sharing his experience here on the blog. This book tells you exactly what you need to know about how to deal with feces and urine when the toilet doesnt work. There, he collaborated with geoff hill, who was pursuing his ph. Humanure the perfect shtf sanitation system survival. Human waste contains harmful microorganisms that are fatal to humans. Posts about how to compost human waste written by dana. A guide to composting human manure the humanure hand book, 2 joseph jenkins, tom griffin isbn. Humanure the perfect shtf sanitation system survival sullivan.
If i know the input i can tell you the safety of the output. But with the help of soil sustainable organic integrated livelihoods, waste resources are being transformed into compost, sanitation is improving and local food production is being revived. This short video clip shows a humanure compost pile on its first day. A guide to composting human manure the humanure hand book. Instructions for converting human waste into a safe compost that may be. Trash and feminine hygiene products should be placed in a separate garbage bag. Its not difficult, but you must do it right, or people could get sick. Dead animals andor animal parts, bones hot composting of carcasses is now the recommended disposal methods for animal mortalities, as proper hot composting poses. Is it safe to use compost made from treated human waste. Compost is a versatile product generated by the fermentation of different residues, such as green or dry vegetation, manures from diverse origins, or urban waste zhao et al. The composting option for human waste disposal in the. No, your composting toilet doesnt have to be an outhouse in the backyard. Nance klehm demonstrates that human waste can be composted and used to. Compost toilets can provide a sanitation solution when water or electricity are not available, or when you simply want to make more compost or less environmental pollution.
Although some commercial composting toilets are approved by local sanitation authorities, homemade humanure systems are rarely approved. When added to the compost bin, undiluted human urine reduces the time it takes for carbons to break down and increases the nutrient values in the completed compost. Persons wanting to use excerpts or artwork from this book for a profit venture must contact the. Some environmentalists think the treatment process may not get rid of all the harmful. That includes researching and sourcing the best books. Mar 10, 2018 human waste like animal manures, human wastes can harbor pathogens. If the temperature inside the compost pile can be kept at 1. As part of a sanitation system that is in place, human waste is collected, transported, treated and disposed of or reused by one method or another, depending on the type of toilet being used, ability by the users to pay for services and other factors. When discarded into the environment as a waste material human waste, it creates pollution and threatens public health. C or above for at least three consecutive days then all the harmful. Haiti is often seen as having the worst sanitation and clean water access in the western hemisphere. For far too long folks thought there was no way to turn safely compost human waste and deemed it forever to be useless black water.
Mar 07, 2017 compost piles made in this fashion reach temperatures of over 160 degrees fahrenheit, which is high enough to kill any harmful pathogens that are present in the humanure. This book gives compelling and detailed testimony as to why humanure. Mark sanders, a civil engineer explains his research visit to the soil project in haiti. The disposal of human waste by composting at backcountry recreation areas is a possible alternative to methods that are considered unsafe. Composting human waste with worms red worm composting. Despite all the books on manure and how to use it, human manure composting is not covered elsewhere, making the humanure handbook a fine reference for any who would learn these basics. As long as the excreta is stored for long enough at a sufficiently high temperature, the pathogens in the human waste are eliminated. Using humanure in gardens is it safe to compost human waste. You definitely dont need to provide them with food waste though believe it or not, human waste is probably closer to the ideal food for these wigglers. How to convert human waste into a safe garden compost fertilizer. The concerns are similar to pet waste, namely diseases and drugs. When living off grid, during good times or bad, disposing of human waste is an issue. That includes researching and sourcing the best books and products to help. In portauprince, soil clearly demonstrates the potential human waste compost has by maintaining trial beds with and without compost.
This process recycles various organic materials otherwise regarded as waste products and produces a soil conditioner the compost compost is rich in nutrients. Jul 01, 2008 joseph jenkins, author of the humanure handbook, delves into an important, if somewhat controversial subject composting human faeces. Communityscale composting systems by james mcsweeney. The bacteria digest the human excreta and renders it into harmless compost, while a small fan extracts odours from the remaining wastes and expels them through a vent. If you want to reprocesscompost human feaces, close the open loop of human excrement management, and have all the facts and figures to argue against your detractors, this is the book for you. Commercial compost has a number of problems, the possible inclusion of sewage byproducts being the foremost. Plus combining general garden compost with what us humans produce. Jenkins is a great writer with a passion and knowledge of nature and ecology is quite thorough, making this work popular for very good reason. Composting 101 easy compost making and troubleshooting tips. The humanure handbook is an excellent resource for those who wish to capture and reuse this waste stream. It may contain pathogens that are transmitted to humans. Turn waste into a resource with human manure mother earth news. Turn waste into a resource with human manure mother.
It can be either composted directly, as in composting toilets, or indirectly as sewage sludge, after it has undergone treatment in a sewage treatment plant. Soil bags and sells its compost to local farmers, whilst also using it themselves in experimental gardens and agricultural plots to grow a range of agricultural produce. If youre an avid composter, theres nothing like this on the market. At mother earth news, we have been educating folks about the benefits of selfreliance for 50 years. It had a thick layer of straw at the bottom and i started layering it with my own waste, straw and then kitchen waste and straw, just like it describes to do in the book.
For these reasons, humanure should be recycled whenever possible. Human excrement can be a major source of environmental pollution around the world. Jenkins is a great writer with a passion and knowledge of nature and ecology is. Portable toilet systems must be disposed of properly, at. In the video above, joseph explains how to set up a safe. In fact, commercial compost based on biosolids or sewage sludge can be downright dangerous. If you are taking untested or questionable reuse solids called biosolids then you run the risk of pathogen transfer to the soil.
Washington becomes first state to allow human composting. Introduction all human waste originally came from the earth. Katrina spade, the founder and director of the urban death project, monitoring the temperature of a mound of wood chips that contains a human body. It requires no water, no digging of holes, no outhouse located 100 yards from the. The origin of the raw materials, mainly waste or remnants of other activities, has an important effect, increasing the concentration of carbon, usable nitrogen. There is no such thing as waste in a whole ecosystem. Nov 20, 2009 in the first of our new friday debate blogposts, lia leendertz puts the case for human waste as the missing ingredient in our compost heaps lia leendertz fri 20 nov 2009 08. To further the conversation about human waste, in 2010, robinson coordinated a conference in colorado, called exit strategiesmanaging human waste in the wild conference. A barksewage mixture can be composted to produce a pathogenfree substance that might be used in site rehabilitation. Its clear, informative, scientific, interesting and at times even humorous. Human waste is just another type of manure, and should be a good addition to a compost pile. Because it is illegal to spread solid human compost on the landscape, the brothers exist in a gray area as they do research on the. Composting can be defined as optimizing conditions so aerobic bacteria and other organisms consume the waste, destroying any harmful bacteria and pathogens in the process.
Jan 01, 2006 we compost everything we can but the idea to compost human manure was foreign to us. Short of that, use only compost from trusted local producers, preferably from organic farms. Making your own compost controlling what goes into your composter and composting piles is the best way to safeguard your soil and family. Human waste or human excreta refers to the waste products of the human digestive system and the human metabolism, namely feces and urine. Compost toilets produce no waste, no sewage, no wastewater, no odor and no. The compost provided the worms with a stable organic matter base for. In an era of environmental consciousness and sustainable living, it may seem that composting human waste makes sense. Chopping scraps into 2 to 4inch 5 to 10centimeter bits speeds the decomposition process in your vermicomposting bin, just as it does in your outdoor compost pile. Only human waste and toilet paper should go in the toilet container.
Just like how you can compost household scraps, you can also compost human waste. Communityscale composting systems is a wellwritten and organized practical guide to the diverse systems used for food waste composting. Press question mark to learn the rest of the keyboard shortcuts. This approach to handle human or animal waste made much more sens than what is done right now. To add pee right to your garden, instead of to your compost bin, be sure to dilute to a 10. Using red worms or other composting worm species to process wastes in a composting toilet is a great idea, and something a surprising number of people have done successfully. Compost is rightly celebrated as the perfect soil amendment and a great way to recycle yard and garden waste. How to safely compost human waste composting toilets.1450 26 1274 1366 1308 321 929 175 573 673 127 1309 359 562 971 1281 1176 1140 376 658 442 1020 304 1286 313 47 1386 108 473 623 1315 566 1429 1157 263 1298 587 904 5 1451 1054 1136 344