Clarifying agents

Clarifying agents

A clarifying agent is a substance or formulation used to remove impurities or turbidity from a liquid or emulsion, typically through the process of coagulation or flocculation. Common examples include alum, gelatin, bentonite, silica sol, and polyvinyl pyrrolidone.From: Turfgrass and Landscape Irrigation Water Quality [2019], Advanced Ceramic Membranes and Applications [2017], Novel petroleum demulsifiers based on acrylic random copolymers [2019]

Various Applications of Ceramic Membranes

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Published in Chandan Das, Sujoy Bose, Advanced Ceramic Membranes and Applications, 2017

Chandan Das, Sujoy Bose

Clarification is a vital step in the processing of fruit juice, primarily in order to remove pectin and other carbohydrates present in the juice. Usually, clarifying procedures can be achieved by various traditional techniques, such as centrifugation, enzymatic treatment, or applying clarifying agents such as gelatin bentonite, silica sol, and polyvinyl pyrrolidone. But, these processes are labor intensive, time consuming, and not continuously operated.

Surface modification of low-cost bentonite adsorbents—A review

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Published in Particulate Science and Technology, 2019

Jock Asanja Alexander, Muhammad Abbas Ahmad Zaini, Abdulsalam Surajudeen, El-Nafaty Usman Aliyu, Aroke Umar Omeiza

Bentonite has been used as a drilling fluid for many years. The mud of the drilling fluid must have high viscosity and thioxotropic property, which prevents settling of fine materials and freezing the bits during oil well drilling (Harvey and Lagaly 2013). The common drilling fluids are mainly based on dispersed sodium bentonite. Bentonite is also used as a bleaching agent for oils by adsorption to remove some pigments. In some cases, calcium bentonite is activated with an acid (to increase surface area and bleaching activity) to produce bleaching earths as a refining and clarifying agent to remove impurities such as fatty acids, gums, trace metals, and colors in the production of edible oils and fats (Murray 2007).

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Various Applications of Ceramic Membranes

Surface modification of low-cost bentonite adsorbents—A review