The steps consist of (i) a precursor of magnesium hydroxide or magnesium hydroxide and (ii) a soluble aluminic acid compound or aluminic acid, while maintaining a pH of> 8 to form layered double hydroxides in situ. Containing the addition of a salt precursor to the water, where the ...
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Q Shao - 《Industrial Water Treatment》 被引量: 56发表: 2000年 Process and apparatus for decoloring liquids and water product thereof The invention relates to a method for decoloring liquids, in particular ground water, by means of a membrane filtration unit, wherein the following steps are car...
The wastewater treatment is achieved in three stages; primary, secondary and tertiary treatments.. Some of the unit operations and processes are included in each stage of treatment. The process flow diagram of a typical wastewater treatment plant is furnished in Table 1Primary Sewage Treatment The ...
1.8 Water Treatment Water treatment is any process that makes water more suitable for a specific end use. The end use could be drinking or cooking, industrial supply, irrigation, fire fighting, river flow maintenance, water recreation, or just safe discharge of water to the environment. Generally...
An improved process for treatment of waste water is proposed in which phosphorus and nitrogen are removed from the waste water by reacting the phosphate ions with iron ions. The waste water to be treated is fed into a tank containing activated sludge. Contact material is arranged in the tank....
In order to treat spent process water from companies of the food and beverage industries up to drinking water quality, a process concept was developed consisting of the following two treatment steps: (1) biological COD reduction using a membrane bioreactor (MBR) in which the active biomass as ...
Other purification steps After pretreatment, chemical treatment and refinement can occur. That process includescoagulation, a step in which chemicals are added that cause small particles suspended in the water to clump together.Flocculationfollows, which mixes the water with large paddles so that coagula...
Register now for DuPont’s free webinar, where we will discuss how through multiple processing steps, starch, sugar cane, and beet can be transformed into sugars with health benefits. Our product solutions are an integral part of this mix and can help with process challenges. ...
Conventional water treatment steps include the input of water from the water body or bodies into a DWTP where the raw water is treated. The DWTP, performs the following functions: coagulation, flocculation, sedimentation, filtration, pH correction, and fluoridation. After that, the treated water is...