![]() The process is a two-phase fermentation in which hydrogen is produced in the first phase and methane is produced in the second. The creation of hydrogen from fermentation effluent is an intriguing solution. Plants reduce nitrogen levels, but wastes remain a major source of hydrogen. It's also important thinking about the waste produced by watering plants. Sugar industry and cellulose manufacturing wastes, as well as other wastes with high carbohydrates concentrations, are one of the sources of bio-hydrogen, because to its high concentration with comparatively low nitrogen rate. Hydrogen is increasingly being referred to as the fuel of the future, and ways for producing it are the focus of extensive research. Not only is biogas made up of methane(CH 4) and CO 2, but it also contains hydrogen(H 2). Sugar wastewater, for example, is one of the wastes from the food sector that may be used in this way. One of the techniques of usage is such production. Multiple benefits of biogas were discovered in the 1990s, as well as a wide range of biomass sources that may have been used to produce this resource. A cubic meter of biogas may generate 2.1 kWh of electricity and 2.9 kWh of heat energy. Biogas generation from agricultural wastes, animal dungs, municipal and industrial wastes has the potential to be a viable alternative energy source for many nations. The vintage Continental typewriter is located in London, UK.Fermentation methods are frequently used to stabilize liquid and solid waste. Due to the style and the aesthetics of the 1930’s Continental typewriter, it can be used for display purposes like home decor and events such as exhibitions and weddings. The black Continental typewriter would be ideal for writers and authors, especially in the creative field. Please note the case is in a shabby condition. The overall condition is good! The Continental functions as expected and minor signs of use and age are present. This particular model has a tab function, which isn’t so common on this brand of typewriters. ![]() This stunning typewriter is fitted with a new ribbon so you can type as soon as you get it and without any hassle. The backspace, the bell, the shift keys, margin setters, ribbon selector (for the colour change), the carriage release lever and the paper release lever all work as intended. Regardless of such old age, the German made machine works very well! The comfortable glass keys are responsive and it provides customisable functions for comfortable typing. After some research on the serial code, I concluded that it was produced in the late 1930’s, a pre-WW2 model. ![]() ![]() Working Continental vintage, manual portable typewriter in London, UK. ![]()
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