within 1º C (2º F). a thermostatic valve with housing, and a heat exchanger. Conversion Engineering Conference, American Institute of Aeronautics and Astronautics, UNICEF, The State of the World's Children, 1989, Oxford University Each week I share insightful articles on life, health, internet security and happiness. Clostridium spores can even survive this treatment, but because this infection is caused a microbe in milk and is not water-borne, this is not a water problem. Terms & Conditions | Privacy | Login Both are held for a predetermined amount of time to ensure microorganisms (micros) are killed. special UV stabilized plastic would last longer. resistance of the heat exchanger smoothes the flowrate of the water. pasteurization described in this document. One of the problems of both boiling and pasteurization is that while these processes can kill biological contaminants, other types of contaminants such as chemicals and metals such as lead will actually become concentrated in the boiling water. the bottom of the puddle is flat, well over 90% of the water can be siphoned out. cooler fluid flows in the opposite direction. When the pressure exerted on the liquid is decreased, such as is the case at higher altitudes, the boiling point is lower. One obvious problem that arises with pasteurization is the question of how If you don’t sign up you’ll never know what you missed! I like how I can pick and choose which ones I want to read. should be held solidly in place by a weight or by several rocks. As the water warms up, tiny bubbles of steam will begin forming at the bottom of the container closest to the heat source. Two layers are used in case While there are some similarities, they are not at all the same. Being a person who appreciates security in one’s life, I appreciate Glenn’s Socrates Gold newsletter. 48 cm (23 inches by 19 inches). We have done some engineering analysis and generated Let me explain why. recommendation is to boil the water.1 This recommendation is See our. to the cold water, thus preheating the incoming contaminated water by lowering the Conversely, if a Heating water to 65º C (149º F) will kill all germs, viruses, and 4. totally automatic process, freeing time for other chores and decreasing the likelihood of process. Some micro-organisms are more resistant to heat and require heating for at least one minute at the boiling point of water. One would then put in some water and needs to be spent to get the system running. It is a plastic tube with both The information is helpful & keeps me reading each week.. Since heating the water to the pasteurization places that are exposed to the sun but not cooled by the water. He did much of his research pasteurizing wine and is also famous for anthrax and much other germ-related research. The solar puddle could possibly cook foods like rice on an emergency basis, condensation the top layer should be pulled back to let the condensation evaporate. There are a few different methods of pasteurization, but we will cover two of the main types: vat pasteurization and HTST pasteurization. The first is called nucleate boiling, as was just described above. The pasteurization indicator is an inexpensive way of nearly doubling the water Thank you. Example: Water boils at a lower temperature in Denver than it does at sea level. and cost factors explored here. childhood disease in developing countries. A puddle can alse be built with wooden sides on top of a table or roof. Hot fill compatible PET bottles are more expensive. Allows beverages to potentially be labeled as “natural,” depending on other factors. Also thought provoking points of view I mightn’t have considered before. WATER IN THE DEVELOPING WORLD by Dale Andreatta, Derek T. Yegian, Lloyd combinations. If the puddle is made larger there is more water Truly awesomeness glad i found out about you thank you for the newsletter and information! 1. countries. sunlight on the food. We used wadded paper, but straw, Thank you for your newsletter. to drink. Some of these methods are less expensive, some produce more water per The information on this website is provided “as is” without any representations or warranties, express or implied. The destruction of viruses requires the boiling of water for at least 20 minutes! Horizontal dimensions are shown compressed for This device also works with fuel-heated I recommend that you simply drop pasteurization of water from your thought process. can lead to death or permanently impaired mental and physical development.1. Glenn’s newsletter is full of interesting ideas topics and thoughtful comments. I am a firm believer in increasing our self-sufficiency and paying attention to what’s going on around us; apparently Glenn Meder is, too! 1984. As the treated water drains from the solar box cooker, contaminated drink. greenhouse. Please join our community of truth seekers! All rights reserved. parasites.3 This process is called pasteurization and its use This brings us to distillation, because in distillation we are boiling the water and then capturing the pure steam and then cooling this steam back down into high-purity, liquid water.