www.sun-mar.com
British Columbia
Kamloops
Kamloops
Septic Tanks
active
The First Self-contained Non Electric Waterless Composting Toilet. The drum offers simplicity of operation. It also avoids invasive on-site treatment systems low flush toilets such as septic systems. In 1977, the second generation composting toilet was born. This allowed users to have a ”normal” looking bathroom, while still having all the benefits of composting. This was a 6 month residential test where no odor was permitted even under overload conditions, and only a negligible fecal coliform environmentally friendly toilets count was permitted in the composted output. In fact its Bio-drum is so large that most families only have to remove compost on an annual basis. The key feature of the mobile unit was that at only 19" wide it could be installed virtually anywhere. In 1989 SUN-MAR’s Excel became the first self-contained composting toilet alternative toilet to pass the National Sanitation Foundation (NSF) Standard #41. While at the time this toilet represented a big step forward in the development of composting holding tank toilets, in hindsight it can be seen to suffer from a number of weaknesses. 10. 5. This heater arrangement therefore overcame the big problem with top mounted heaters, namely that in evaporating liquid they also dry out the compost pile. Other than the width, what was new in this composting toilet was the 3" vent stack with a special fan/filter box which scrubbed the vented air so as to avoid any inconvenience on deck. Tumbling the Bio-drum ensures mixing is easy and complete,.( like a cement mixer or clothes dryer). This unit incorporated similar differences that distinguished the non-electric self-contained toilet, namely a 4" vent stack with 12V fan, and no heating compartment in the base. At this time the Compact and Centrex models were both launched. This unit, the Spacesaver, is ideally suited for installation in cupboards or small corners where a toilet is needed but space is a problem. In 1977 SUN-MAR extended the concept of domestic composting by offering a composting toilet system that was outside and several feet away from the bathroom, but connected to a 1 pint toilet in the bathroom. 's unique and superior composting toilet designs are covered by international patents and feature 3 separate independent chambers with Bio-drum for composting, finishing and evaporation. Despite its high capacity the 2000 is a low profile unit which fits into spaces with limited headroom. All these essential processes could now be optimized, a development which gave SUN-MAR the leadership position in the field of composting toilets,- one which it has maintained to the present day. While in the drawer the compost is surrounded by a stream of drying air, and gradually dries out prior to removal rather than being exposed to, and contaminated by, fresh waste and liquid. Since waste is some 95% moisture, after the liquid has been evaporated and the solid waste composted, the residual is only about 3% of the starting volume. Like the 3000, it is offered in waterless or 1 pint flush versions, and in electric, non-electric and dual vented models. In 1997 SUN-MAR unveiled the first continuous flow central composting toilet system. The Compact was a lower profile version of the long established Excel. 2. This unit was designed as a medium to high capacity composter suitable for residential use and for heavy cottage use. Composting toilets evaporate the liquids and odorlessly decompose the remaining waste into an inoffensive fertilising soil. The SUN-MAR Mobile, introduced in1994 was the first waterless, self-contained composting toilet designed for use in marine and RV markets, and for that matter, for use in anything that moves. The difficulty of aerating, and providing oxygen for the aerobic microbes was solved by replacing the pile and mechanical mixers by a Bio-drum. This Bio-drum arrangement gave rise to a huge performance improvement because by rotating the drum compost could now be well mixed, and perfectly oxygenated, while also allowing the moisture to be evenly distributed throughout the compost. The drawer could be easily removed without exposing the user to liquid or fresh waste. 1. In 1987, SUN-MAR offered the first Non-electric Central Composting Toilet System. Saturated waste is undesirable in a composting toilet because it dramatically slows composting down by driving out the oxygen the aerobic microbes need to survive. 11. There was no heating compartment in the base of non-electric toilets. Because people like to see a composting toilet before they buy, we have a large dealer network right across North America. The heater is on when there is liquid to evaporate and off most of the time when there is no liquid. As the compost in the bottom was agitated it fell though a screen into a collection chamber. In addition, the new design lent itself to being scaled up, an advantage which was to result in the subsequent launching of the Centrex 2000 and 3000 series units. A saturated compost provides good conditions for anaerobic microbes, which are slow and odorful. In this way the waste is oxidized and reduced to its essential minerals. 1. This was the first three chamber composting toilet, where composting was taking place in the Bio-drum, liquid was being evaporated in the evaporating chamber and compost was being finished in a finishing drawer. The three different chambers allow for optimizing the three different requirements for composting, evaporating and finishing. This was identical to the electric unit of its time, except for a few important differences:. 6. Firstly, this composting septic system toilet design was what we now call a single chamber unit, which means that the operating conditions were the same throughout the whole toilet and not optimized for the different needs of composting, evaporation or finishing. 9. So successful was the 3 chamber concept that in 1981 SUN-MAR introduced the first self-contained non-electric composting toilet. However, subsequent SUN-MAR composting toilet designs have been successful in solving the inherent problems evident in this first waterless toilet design. In 1979, a further major improvement was launched. Delete it if you don’t want users to see the prompt. This unit is the highest capacity Composting toilet system in SUN-MAR’s line and has been subject to continuous improvement since its introduction. By being separated from any direct heat, the material in the drum does not dry out as it would in composting toilet designs where heat is aimed directly at the pile. In addition to the regular 1 pint flush version, this configuration also allowed SUN-MAR to offer a waterless Central unit which featured a SUN-MAR Dry Toilet positioned directly above the composting unit. This model proved to be popular for those who had no power now but were expecting it in the future; for those operating a generator for most, but not all the time; and for those with an insecure power supply. This dry toilets param tag prompts users with Flash Player 6.0 r65 and higher to download the latest version of Flash Player. This allowed for a lower profile making it easier to be fit into places where there is little headroom. 7. It had a patented variable diameter Bio-drum and an elegant look which made this waterless composter at home in any bathroom. 2. 3. Another major benefit to the Bio-drum arrangement was that by rotating the Bio-drum backwards, the Bio-drum door would remain open so that the compost would drop automatically into a finishing drawer. The Bio-drum ensures there is no excess moisture, since any excess is automatically drained to the evaporating chamber. 's composting toilets are certified by the National Sanitation Foundation for residential and cottage use. There was no fan on the non-electric unit, although a 12V fan could be inserted in the vent stack if additional air movement was needed. 1993 was a big year for SUN-MAR. Thirdly, the compost in the bottom was not isolated and portable toilets was subject to contamination from fresh waste. Indeed a SUN-MAR is so obviously good for the planet that at SUN-MAR we wonder why everyo
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