Analysis of problems existing in the traditional treatment of coal-bearing wastewater in power plants
First of all, it is easy to cause blockage in the water conveyance system. In most power plants, coal-bearing wastewater is mainly collected in the sump between the coal bunkers.
What are the main applications of PDMDAAC?
As a water treatment agent, PDMDAAC is involved in almost all fields of industrial wastewater, domestic sewage and drinking water treatment; it is used as a clay stabilizer, mud treatment agent, and oily wastewater treatment agent in the oil mining industry; in the daily chemical industry as an antistatic agent, Moisturizers, emollients, etc.
What is organic pollution and inorganic pollution of water bodies?
Organic pollution of water bodies: mainly refers to the pollution caused by the discharge of wastewater containing a large amount of organic matter from urban sewage, food industry and paper industry. Inorganic pollution of water bodies: refers to acids, alkalis and inorganic.
Explanation of terms related to water pollution
Chemical oxygen demand (COD) refers to the oxygen content required by organisms in a certain volume of water, and ammonia nitrogen (NH3-N) refers to the nitrogen in the water in the form of free ammonia (NH3) and ammonium ions (NH4).
How to treat oily wastewater?
The treatment of oily wastewater should first use the oil separator to recover floating oil or heavy oil. The treatment efficiency is 60%-80%, and the oil content in the effluent is about 100-200 mg/L. Emulsified oil and dispersed oil in wastewater are difficult to handle, and emulsification should be prevented or reduced.
What is the primary treatment and secondary treatment of sewage?
The primary treatment of sewage is the physical treatment of sewage, which is the first stage in the sewage treatment level. Secondary treatment of sewage is the purification process of colloidal and dissolved organic matter in sewage after primary treatment of sewage, and biological method and flocculation method are commonly used.
Water treatment plant sludge classification and properties?
The sludge in the water purification plant is composed of the backwash drainage from the filter tank and the solids in the sludge drainage from the sedimentation tank or clarifier. Sewage plant sludge is a sedimentary material produced during wastewater treatment.
What are the main technologies for sludge treatment and disposal in sewage treatment plants?
Sludge treatment and disposal technologies in sewage treatment plants mainly include: concentration and dehydration technology, anaerobic digestion technology, aerobic fermentation technology, sludge thermal drying technology, lime stabilization technology, and sludge pyrolysis treatment technology.
Introduction of printing and dyeing wastewater treatment technologies
At present, the main treatment methods of printing and dyeing wastewater include three categories: physical chemical treatment, chemical treatment and biological treatment. The following will analyze the application of various treatment technologies in the treatment of printing and dyeing wastewater.
What is activated sludge and activated sludge treatment method?
Activated sludge is a general term for microbial populations and the organic and inorganic substances to which they are attached. Activated sludge treatment method is a sewage treatment process.
Industrial fluorine-containing wastewater treatment method
At present, the precipitation method is the most important fluorine-containing wastewater treatment method. Among them, the precipitation method can be divided into chemical precipitation method and coagulation precipitation method.
What is the Difference Between Flocculation and Coagulation?
Coagulation = coagulation + flocculation, usually the agents that play the role of coagulation and flocculation are collectively referred to as coagulants. So I think as long as you understand the two concepts of coagulation and flocculation, you can distinguish coagulation and flocculation.
What are the waste paper papermaking wastewater treatment technologies?
Since the wastewater formed by the waste paper and papermaking process contains many pollutants, it is necessary to treat the wastewater in the process of wastewater formation and discharge. This article will specifically analyze the wastewater treatment technology in the waste paper and papermaking process.
Pollution characteristics of waste paper papermaking wastewater
Waste paper making generally uses waste cardboard, waste newspapers, etc. as the main reproducing raw materials, which are used to produce whiteboard paper or cardboard paper and other products.
What are the emergency treatment technologies for sudden water pollution?
The methods of dealing with sudden organic pollutants mainly include physical and chemical methods such as adsorption and oxidative decomposition.
Selection of optimal treatment methods for oil production wastewater
Generally, wastewater treatment methods include physical, chemical, physical-chemical and biological methods.The above several oil extraction wastewater treatment methods have their own advantages in technology and economy.
Status Quo and Problems of Oil Production Wastewater Treatment
The main components of the wastewater produced in the process of oil production in the oil field are crude oil and a small amount of organic substances as oil production aids. The conventional oil production wastewater treatment process in the oil field is basically three steps of "oil separation - flotation - filtration".
What are the common water pollution sources and pollutants?
The sources and places that discharge or release pollutants into water are called water pollution sources, which are the main culprits of water pollution. Water pollution sources can be classified from different angles.