Abstract:
Die vorliegende Erfindung betrifft ein Verfahren zur Energiegewinnung sowie ein Energiegewinnungssystem zur Gewinnung erneuerbarer Energien mit Anbauflächen zur Erzeugung von nachwachsender Biomasse, mindestens einer Biogasanlage zur Erzeugung von Biogas, mindestens einem Blockheizkraftwerk zur Erzeugung vom Wärme und elektrischem Strom, mindestens einer Trocknungsanlage zur Trocknung von Klärschlamm und/oder Gärresten der Biogasanlage und/oder Biomasse zu Mischbriketts und mit mindestens einer Synthesegasanlage zur Erzeugung von Synthesegas, wobei Biomasse von den Anbauflächen in der Biogasanlage zur Erzeugung von Biogas und/oder in der Trocknungsanlage zur Erzeugung von Mischbriketts und/oder in der Synthesegasanlage zur Erzeugung von Synthesegas eingesetzt wird und wobei die von dem mindestens einen Blockheizkraftwerk erzeugte Wärme für die Trocknungsanlage verwendet wird, und wobei das Biogas der Biogasanlage und/oder das Synthesegas der Synthesegasanlage zum Betrieb des oder der Blockheizkraftwerke verwendet wird, und wobei die Mischbriketts der Trocknungsanlage in der Synthesegasanlage zur Erzeugung von Synthesegas eingesetzt werden.
Abstract:
The present invention is related to recycling of fermentable and metabolizable biomass materials for sequentially performing a cultivation of fungal cells and for producing biogas by anaerobic fermentation of said biomass materials.
Abstract:
Municipal solid or other waste is treated in apparatus comprising an autoclave treatment plant for steam treating the solid waste and a supercritical oxidation reactor downstream of the autoclave treatment apparatus for converting a product stream to heat, water and carbon dioxide. The product stream may be an organic-rich stream form the autoclaved material or may be sludge from an anaerobic digestate of the organic- rich stream. In either case, disposal of sludge in landfill or by incineration is avoided.
Abstract:
Systems and methods for improving stillage are disclosed. Stillage may include either whole stillage or thin stillage. The system includes taking the stillage and placing it within a bioreactor with an inoculation of fungi. The fungi may include any of Aspergillus niger, Phanerochaete chrysosporium and Yarrowia lipolytica . The fungi and stillage broth is then subjected to fermentation which removes solubles and particulates from the stillage. The fungi generate a biomass material that may be collected and dried for use as a nutritional supplement or other purpose. The remaining liquid is a clarified, treated stillage suitable for a variety of downstream applications, including being used as a backset in an ethanol production facility.
Abstract:
The present invention relates to a treatment plant and process of sewage sludge, comprising the following operations: separation of liquid sludge (20) from sewage (10), grinding of urban organic solid waste (100), mixing and homogenization of ground organic solid waste (104) with liquid sludge (20), anaerobic digestion of amalgamated mixture (105) of organic waste and liquid sludge so as to produce biogas (30), centrifugal dehydration of liquid sludge (21 ) from anaerobic digestion to obtain dehydrated sludge (22) with dry product concentration of approximately 25% and feeding of biogas (30) in electricity-generating set (8) comprising a gas engine or turbine (T) and a generator (G) connected to the turbine (T) for production of electricity (40).
Abstract:
A process for treating mixed waste material, said process comprising a) collecting said mixed waste in bags; b) autoclaving the bags under conditions in which the bags degrade; c) separating the material from step (b) into three fractions, a first fraction comprising liquid materials, a second fraction comprising large solid waste materials and a third fraction comprising fibrous material; d) subjecting the third fraction of step (c) to a remediation process such as an aerobic digestion; and e) recovering the product of step (d). Use of aerobic digestion as a drying process for materials, and certain apparatus for use in the process are also described and claimed.
Abstract:
The invention relates to a method for separating an aqueous liquid dispersion of organic material into a concentrated solid fraction and a solid poor liquid fraction, by a preliminary mechanical separation operation and subsequent membrane filtration, whereas the preliminary mechanical separation comprises at least one mild dewatehng operation and the subsequent membrane filtration consists of vibrating membrane filtration. The invention also relates to a separation installation suitable for such method, to a global method for the treatment of organic waste involving such method and to an integrated treatment installation for the global organic waste treatment method.
Abstract:
Der von einem Fermenter (1) gelieferte Gärrückstand gelangt über ein Förderorgan (8) auf einer Entwässerungsvorrichtung (10). Diese Entwässerungsvorrichtung (10) ist als Stern- oder Scheibensiebmaschine (100) ausgestaltet. Diese ist über einem Presswasserbecken (11) angeordnet, in dem das gewonnene Presswasser (21) aufgefangen wird. Über dem Presswasser (21) bildet sich eine Schwimmschicht (22), die nach einer gewissen Ruhezeit abgeschöpft werden kann und der Nachrotte (20) zuführbar ist. Diese äusserst einfache, preiswerte und unempfindliche Entwässerung führt zu einer verbesserten Handhabe des gesamten Fermentierungsprozesses, da hierdurch die Abhängigkeit von Feinstfeststoffanteilen bei der Rückführung von Presswasser in den Fermentierungsprozess, sowie die Anforderung an die Zerkleinerung des Inputmaterials deutlich reduziert werden kann.
Abstract:
A U-shape and/or nozzle-U-loop fermentor has a U-part consisting of an essentially vertical downstream part (2), an essentially vertical upstream part (4), a U-shape bend part (3) which connects the lower ends of the downstream and upstream parts, an in-line pump (12) placed in the U-part for circulation of fermentation liquid in the fermentor, a top part (5) which is placed above the upper end of the downstream part, gas supply members (7, 8, 9, 10) which are provided in the U-part with appending static-mechanical mixing members (13, 14, 15, 16, 17) for the comminution of the gases introduced into the fermentation liquid, and supply members for water and nutrient salts (18) and (19), respectively, and in connection with the supply members (7, 8, 9, 10, 18, 19) or in by-pass arrangements in connection therewith one (or more) ion sensor(s) or analyser(s) (20, 21, 22, 23) for sensing the concentration of at least one of the ion species phosphate, ammonium, nitrate and hydrogen ion, oxygen sensor(s) for sensing the oxygen concentration, and at least one thermo phial for sensing the temperature, said sensor(s), analyser(s) and phial(s) delivering signals to a data processing system (PC), wherein the signals received are processed and the dosage of feed gases, water, minerals and pH adjustment means via the supply members (7, 8, 9, 10, 18, 19) are calculated and optimised from pre-programmed amounts relative to the results measured.
Abstract:
The manure, which has been previously finely ground, is diluted (3) so as to form a liquid mixture containing not more than 4% of solid material. This mixture is fed into a bioreactor (6) of which the gas is used to feed the burner (11) of a dryer (10) in which the manure particles are dried. Before and after passage of the mixture into the bioreactor, filaments and fibres are separated (4, 9). At least part of the liquid separated in the second separator (9) is recycled (13) in the initial liquid mixture. The energy of the water vapor from the drying is used to activate the bioreaction (16). The residual liquid not recycled is subjected to a nitrifying/ denitrifying treatment (15). The residual mud may be collected (23) and mixed with the dried product, as well as the fibres and filaments eliminated. The mud, the filaments and the fibres, rich in proteins, may be used directly as foodstufff or cattle. The other residual products are appropriate for use as fertilisers.