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Research and feasibility of sludge cement technology and building materials utilization technology
In recent years, with the development of China’s economy and the continuous advancement of urbanization, the scale of construction of urban sewage plants has been continuously expanded, and the degree of sewage treatment has been gradually improved. The aerobic wastewater treatment technology is generally applicable to medium and low concentration organic wastewater due to short […]
Treatment of Hazardous Waste by Landfill and Incineration
There are two main ways to dispose of hazardous wastes: geological disposal and marine disposal. Marine disposal includes deep-sea abandonment and incineration. Land disposal includes land cultivation, permanent storage or reserve storage, land landfill, deep well filling and deep formation disposal, among which land landfill disposal technology is the most widely used. Marine disposal has […]
NOX Purification Process for Domestic Waste Incineration
In general, the NOX generated by waste incineration can be divided into two types: thermal NOX formed by oxidation of N in air under high temperature fuel condition and waste NOX formed by incineration of N element in waste. When the temperature of fuel in the furnace is low, the NO_x produced by garbage accounts […]
Research and feasibility of sludge brick making technology
Sludge bricks refer to sludges that have been treated with certain treatments, mixed with other raw materials or admixtures, pressure-formed, and calcined to produce sludge bricks. There are two methods for sludge brick making. One is to use the dried sludge directly for brick making, and the other is to use sludge to burn ash […]
Sludge aerobic fermentation technology and analysis of its advantages and disadvantages
The aerobic fermentation technology of sludge is that under aerobic conditions, microorganisms oxidize a part of the absorbed organic matter into a simple inorganic substance through absorption, oxidation, decomposition and the like, and release the energy required for the growth activity of the microorganism; Another part of the organic matter is synthesized into a new […]
Research and feasibility of sludge ceramsite technology
Sludge ceramsite is an artificial lightweight coarse aggregate. Due to its light weight, high strength and thermal insulation properties, it is a new type of building material with development potential. The modified sludge can be made into ceramsite as a building material. The preparation of sludge ceramsite is the use of clay and slag as […]
Brief introduction of sludge anaerobic digestion technology and analysis of its advantages and disadvantages
Anaerobic digestion of sludge refers to the process of decomposing biodegradable organic matter in sludge into carbon dioxide, methane and water by facultative bacteria and anaerobic bacteria under anaerobic conditions to stabilize the sludge. It is one of the commonly used means of sludge reduction and stabilization. Anaerobic digestion of sludge has the advantages of […]
New dry process cement production line process
The new dry-process cement production line technology was developed in the 1950s. So far, in Japan, Germany and other developed countries, the production rate of new dry-process cement clinker with suspension preheating and pre-decomposition as the core accounted for 95%. A suspension preheating and precalcining kiln was commissioned in 1976. The advantages of this technology: […]
Analysis of related technologies and advantages and disadvantages of sludge treatment and disposal
At present, the treatment and disposal technology of sludge mainly refers to the processing of concentration, regulation, dehydration, stabilization, drying or incineration of sludge to achieve sludge reduction, stabilization and harmlessness. At present, the commonly used sludge treatment and disposal technologies include anaerobic digestion technology, aerobic fermentation technology, deep dehydration technology, thermal drying technology, lime […]