Abstract:
The disclosure is concerned with generating power using new organic fuel that is generated at wastewater purification plants in the form of sewage sludge with moisture content up to 90-95%. The world supplies this new orgabic fuel in very high quantites that are estimated to be more than 25-40 gr of dry mass/man/day. The new composite fuel comprises a coal suspension with the new dispersed medium, which is the liquid sewage sludge. The composite fuel is introduced into a furnace for combustion and generating power.
Abstract:
A detoxifying method for PCB, capable of disposing PCB or a PCB-containg material by burning the same while preventing PCB from excaping into a combustion waste gas; burning PCB at a comparatively low temperature; minimizing damage to a furnace to ensure a long-term use; and burning PCB at a low cost. In this method, plaster is mixed with polychlorobiphenyl or a polychlorobiphenyl-containing material, and the resultant mixture is burnt.
Abstract:
Изобретение относится к области переработки горючих отходов. Горючая смесь, состоящая преимущественно из горючего газа и воздуха подается в высокотемпературный реактор (1), где осуществляется горение с образованием рабочего тела. Разогретые газы через трубопровод (2) поступают в щелевой кольцевой канал (6), расположенный между стенками первой камеры пиролиза, и являющийся камерой обогрева. Одновременно разогретый газовый поток устремляется в трубу (13). При этом происходит нагрев внутреннего объема первой камеры (3) пиролиза. Образовавшиеся газообразные продукты пиролиза выводятся через патрубок (10), а твердый остаток выводится в бункер (8). Одновременно во второй камере (12) происходит пиролиз сортированного сырья, которое подается из верхнего патрубка (17). Ссыпаясь, сырье попадает на лопасти перемешивающего устройства. Процесс пиролиза происходит в присутствии водорода, который имеется в рабочем теле, поступающем из мелкодисперсного распылителя (14) и щелевого кольцевого зазора (6). Газообразные продукты пиролиза из второй камеры (12) выводятся через патрубок (18), а твердый остаток - через бункер (16). Технический результат заключается в возможности переработки промышленных отходов с различными физико-химическими характеристиками.
Abstract:
A waste water disposal method using an industrial combustion equipment, comprising the steps of detecting the operating state of the industrial combustion equipment by signals from a flowmeter for fuel supplied to the industrial combustion equipment, and accurately and properly controlling the flow of waste water, whereby undisposed waste water can be prevented from being discharged during low combustion, before stopping combustion, and immediately after ignition and a fuel system, combustion chamber, and flue can be prevented from being affected by the mixing of the waste water to provide an optimum waste water disposal according to the types of the waste water and combustion equipment.
Abstract:
A method and a plant for processing problematic, organic, chemical wastes for the disposal thereof. The different types of waste are collected in separate portions and the liquid waste portions are pooled, and the resulting liquid mixture is left to separate into a number of fractions. Each visquous or solid waste portion is subjected to a compatibility test with a liquid fraction. The waste portions are admixed with an amount of a compatible liquid fraction, ensuring that a workable mixture is obtained. The different mixtures are gradually mixed and a mixed and workable buffer portion is obtained. The buffer portion or a portion thereof is subjected to grinding at a high shear. A pumpable, combustible dispersion is obtained, which can be incinerated without any risk of explosions.
Abstract:
Secondary sludge produced in the papermaking process is dewatered by adding a material capable of absorbing water together with dry fibers to the secondary sludge, and mixing the secondary sludge with the dried fibers to produce a modified secondary sludge which has sufficient structure and low enough moisture that it may be further dewatered by mechanical means. The preferred fiber adding materials are those readily produced in the papermaking process, particularly dry primary sludge, dried fines and bark and fly ash from boilers.
Abstract:
The present invention provides a method for the treatment of waste comprising one or more hazardous organic components, the method comprising plasma treating a waste in a plasma treatment unit; wherein the waste comprises: (i) a soil and/or aggregate material; and (ii) an oil component; and wherein, before plasma treating the waste, the waste comprises one or more hazardous organic components and from 5 to 50% water by weight of the waste.