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Method for determining moisture content, oil content and slag content of oil sludge
(1) Method for determining moisture content of oil sludge At present, the laboratory determines that the water content of the oil sludge is mostly by the drying method. At 105 ° C, the water escapes in the form of water vapor, and the moisture content of the sample is obtained by the mass change of […]
Analysis physical and chemical properties of oil sludge
Oil sludge has been included in the HW08 waste mineral oil in the Hazardous Waste List. The composition of oil sludge is very complex, and it contains a large amount of aged crude oil, solid suspended solids, salts, bacteria, corrosion products and the like. The slag-containing rate and oil-bearing rate of oil sludges from different […]
Introduction of oil sludge treatment technology
Oil sludge can be classified into two categories according to the treatment technology characteristics: The first type is oil sludge treatment technology based on harmless treatment, including oil sludge filling method, oil sludge solidification method, and oil sludge. Biological treatment method, oil sludge control and re-injection method; the second category is oil-based sludge treatment technology […]
Brief introduction of oil sludge treatment technology
People’s awareness of environmental protection and strict environmental standards have made it necessary to detoxify, reduce, and recycle oil sludge containing petroleum resources. At present, the oil sludge treatment technologies mainly include: oil sludge solvent extraction technology, oil sludge incineration treatment technology, oil sludge chemical hot washing technology, oil sludge thermal treatment technology, etc., in […]
Principle of pyrolysis of oil sludge
Pyrolysis of oil sludge is also called thermal cracking of oil sludge. It is to decompose organic matter in an oxygen-free state to: 1 solid residue mainly composed of coke and carbon black; 2 in liquid form at normal temperature of fuel oil; 3 chemical decomposition process of flammable gas mainly composed of H2, CO, […]
Factors affecting pyrolysis of oil sludge
The change in pyrolysis parameters has a significant effect on the pyrolysis reaction of oil sludge. According to the research and analysis, the parameters that have a great influence on the pyrolysis process of oil sludge are pyrolysis temperature and pyrolysis time, while other parameters such as heating rate, residence time of pyrolysis gas, type […]
Summary of sludge treatment methods
Various sludges have their own characteristics, and many technologies are applicable to these sludges. The technologies used are different depending on the treatment requirements. The sludge treatment generally includes landfill, fertilizer, power generation, heating, etc. method. So let’s talk about the specifics of the sludge treatment methods, and what are the different treatment methods. Sanitary […]
Activated sludge cultivation steps and precautions
Active sludge is a general term for microbial populations and the organic and inorganic substances to which they belong. It was discovered in 1912 by Clark and Gage in the United Kingdom. Activated sludge can be classified into aerobic activated sludge. And anaerobic granular activated sludge, activated sludge is mainly used to treat sewage wastewater. […]
Municipal sewage treatment plant sludge treatment and disposal methods
The sewage from the municipal sewage treatment plant refers to the solid, semi-solid and liquid wastes produced after sewage treatment. It contains a large amount of organic matter, heavy metals, pathogenic bacteria and pathogenic bacteria, etc., without any treatment, it will cause serious damage to the environment. Pollution. The overall requirements for sludge treatment are […]