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Separation method with improved capacity

A technology of weight and filter cake, applied in separation methods, filtration separation, chemical instruments and methods, etc., can solve problems such as high capital expenditures

Active Publication Date: 2020-01-03
英力士美国化学公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some previous applications have used multiple rotating pressure filter units parallel to each other to increase capacity, but the use of multiple units resulted in increased capital expenditure

Method used

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  • Separation method with improved capacity
  • Separation method with improved capacity
  • Separation method with improved capacity

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Embodiment Construction

[0015] By way of general introduction, the present invention relates to a method for recovering components from solid / liquid mixtures. In some embodiments, the method is used to recover a solid product, or a liquid product, or both, from a solid / liquid mixture. In some embodiments, the solid product is a pharmaceutical or food ingredient product. In other embodiments, the solid product is a chemical, or specifically a petrochemical. In some embodiments, the product is an aromatic hydrocarbon, such as para-xylene. In other embodiments, the product is an aromatic carboxylic acid, such as terephthalic acid.

[0016] now refer to figure 1 , a multistage process with improved capacity for separating solid products from solid-liquid mixtures according to one embodiment of the present invention is indicated generally at 10 . The solid-liquid mixture feedstock is pressurized by pump 20 and fed into rotary pressure filter unit 100 through line 22 from inlet 120a. Rotary pressure f...

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Abstract

A method for separating the components of a solid / liquid mixture. The method includes the use of a rotary pressure filtration device with improved capacity.

Description

[0001] cross reference [0002] This application claims the benefit of US Provisional Patent Application Serial No. 62 / 035652, filed August 11, 2014, and entitled "Separation Process with Improved Capacity," which is hereby incorporated by reference in its entirety. technical field [0003] The present invention generally relates to methods for separating components of solid / liquid mixtures with improved capacity. Background technique [0004] Various separation techniques are used to separate one material from another in many methods in the chemical, food and pharmaceutical industries. Common techniques used to separate solid materials from liquid materials include vacuum or pressure filtration, drying, centrifugation, settling, and purification. When a very pure solid product is desired, the separation can be performed in multiple stages and can be combined with washing steps. For example, solids recovered by one of the techniques described above may be washed or repulpe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D33/09B01D33/60B01D33/66
CPCB01D33/09B01D33/60B01D33/663B01D2201/202B01D2201/345
Inventor 托马斯·迈克尔·巴托斯安德斯·比奇-拉森蒂莫西·H·凯斯
Owner 英力士美国化学公司
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