Sustainable Technologies - 2013
May 31, 2013
The bioethanol-reactor aims to combine the delignification and SSF process simultaneously in a single reactor. Function of this tool is to reduce levels of lignin, and also used in the saccharification and fermentation of lignocellulosic materials.This reactor is designed to produce second generation of bioethanol.
The reactor is a jacketed reactor with 120L volume, made of stainless steel ss 304 and 5mm thickness. It is equipped with a single stirrer blade. Jacket that is filled with thermal oil heaters, blanketed the reactor with 50mm thickness from the walls of the reactor, fiber-ceramic is also used as an insulator. ...
Nowadays, wastewater treatment plants should not be considered as just treatment systems, but rather as a factory at which value-added by-products can be produced without any extra cost. In this context, activated sludge bacteria can produce special lipids known as polyhydroxyalkanoates (PHAs) that are potential bio-plastics; they also accumulate neutral lipids known as triacylglycerols (TAGs) that are biodiesel precursors. One can exploit these types of cellular lipids from mixed microbial communities readily available in wastewater on which they grow and make value-added by-products from waste stream in treatment ...
Jul 1, 2013
Bladeless Wind Turbine
Every year windmills kill 573,000 birds in the US according to the Associated Press. By some estimates the total number of birds and bats killed worldwide every year runs into several millions.
The concept being proposed in this abstract is for a “bladeless” windmill that would drastically reduce or eliminate bird fatalities due to windmills. The idea is based firstly on an electric fan proposed in a Japanese patent which has expired – (http://www.telegraph.co.uk/technology/news/6377644/Dyson-fan-was-it-invented-30-years-ago.html), and the Dyson fan. The Dyson bladeless fan has used airfoil technology to increase the speed and volume of the air moved ...
Jul 1, 2013
In many areas of the world, the lack of readily available electrical energy, clean water, and employment opportunities are an interlocking problem that causes social strife, political conflicts, and limits the potential of millions of people. In a vicious circle, the lack of basic infrastructure limits the ability of an area to improve their economic condition, which impairs their ability to improve that supporting system.
This application is an attempt to address all three of these issues with not just a product, but with an entire production, fabrication, and deployment system. Physically, this is a design for a commercial off ...
Mar 6, 2013
A Compressed-air engine is a pneumatic actuator that creates useful work by expanding compressed air. A compressed-air vehicle is powered by an air engine, using compressed air, which is stored in a tank. Instead of mixing fuel with air and burning it in the engine to drive pistons with hot expanding gases,compressed air vehicles (CAV) use the expansion of compressed air to drive their pistons.They have existed in many forms over the past two centuries, ranging in size from hand held turbines up to several hundred horsepower. For example, the first mechanically-powered submarine, the 1863 Plongeur, used a compressed ...
Ile -ife, Osun State
Jun 14, 2013
Conversion of 950va Tiger petrol generator to a renewable energy-RE powered 950va rotary genset is an experimental setup aim at carryout feasibility studies on ways of providing an alternating current- ac electricity generation for about 20hours /day. The 950va RE rotary genset is a combination of motor/generator arrangement. Its principle of operation is similar to normal inverter but energy draw from battery is only half of total energy consumed by normal inverter to produce same ac output.
Preliminary investigation was carried out to the best approach to establish such a technology inorder to contribute in solving problem of ...
Jun 28, 2013
Better side of the transmission of electricity through the HV DC are already proven! Application of DC / DC converters on the existing power grid, enabling translation T & D AC grid - into DC High Voltage Transmision & Distribution grid.
Application of DC / DC converters - transformers, at existing wired installations in the transmission and distribution system, we transform AC to DC network!
DC/DC step-up transformer, WITHOUT INDUCTIVE PARTS, shown on the link; http://www.youtube.com/watch?v=ToiZ4VgdIlI
DC/DC step-down transformer, WITHOUT INDUCTIVE PARTS,shown on the link; http://www.youtube.com/watch?v=D_1f5zEuCO8
are essential elements of future DC T&D network-grid !
It is only ...
As far as this writer is aware, Cruise ship wastes are kept on board or possibly discharged far out at sea for no cost. To keep costs down for operators, certain marinas or nations could offer a barge based or mangrove/marina based bio-processing garden or off pump station. Using natural methods the waste food and fecal matter may be converted to clean water again.
Unfortunately, many of the stops of cruise ships are very pretty and susceptible to pollution therefore a barge that could remediate tank waste to higher or lower levels of perfection before being discharged to the ...
Apr 6, 2013
Runoff from farms dumps fertilizer nutrients into the world’s oceans. This causes dead zones which are oxygen-starved where few or no fish can live. The Baltic Sea currently has a project to oxygenate dead areas using windmill and air pump technology (See http://www.cnn.com/2012/07/17/world/europe/dead-zone-baltic-oxygen). However, transporting air underwater requires expensive piping, much energy to overcome water buoyancy and ballasted piping to keep the bubble manifold from floating upward. Moreover, underwater manifold discharge nozzles may tend to plug with algae. One solution is to use electrolysis to separate the water oxygen from the water. This mature technology has many advantages over ...
The aim of the project was to develop a hydro power plant for sustainable development. After going through the past and current prevailing scenarios, it was inferred that there were no sources of clean energy in the urban metropolitan today and one was desperately required.
After going through numerous case studies and studying the concepts of decentralization, urban energy requirements and clean renewable sources of energy and combining these concepts, the fore proposed model came into existence.
The model is a classic combination of efficient management of resources and space both of which are of vital essence in the ...