Simple method for desiccation and reactivation of aerobic granules

An aerobic granulation and drying technology, which is applied in the direction of granulation of raw materials, drying of granular materials, chemical instruments and methods, etc., can solve the problems of time-consuming, expensive seed granules, etc.

Pending Publication Date: 2022-02-18
鑫颗生物科技私人有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Shipping of seed pellets is expensive and time-consuming, especially when the seed pellets are to be transported to another country

Method used

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  • Simple method for desiccation and reactivation of aerobic granules
  • Simple method for desiccation and reactivation of aerobic granules
  • Simple method for desiccation and reactivation of aerobic granules

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Embodiment Construction

[0028] Aerobic particles are dense aggregates of microorganisms that self-immobilize without the need for a carrier medium. The aerobic granular sludge process is increasingly recognized as a promising wastewater treatment technology, which has shown advantages in terms of high treatment capacity and significantly reduced equipment footprint and operating costs. However, the relatively long start-up phase remains one of the main challenges of this new technology. Shipping of seed pellets is expensive and time-consuming, especially when the seed pellets are to be transported to another country.

[0029] This article describes a method for drying aerobic granules. In some embodiments, the drying process takes only a few hours. Dried granules are easier to transport and are storage stable for at least 5 months. The drying process is designed to be scalable and to maximize the preservation of the microbial community in the aerobic granules, especially the major functional group...

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Abstract

A method of producing desiccated aerobic granules, comprising: (a) subjecting aerobic granules to a size selecting step; (b) subjecting the size selected aerobic granules from (a) to a dehydration step; (c) subjecting the dehydrated size selected aerobic granules from (b) to a drying step.

Description

[0001] Related Application Cross Reference [0002] This application claims priority to U.S. Provisional Patent Application US62 / 855,312, filed May 31, 2019, which is incorporated herein by reference in its entirety. technical field [0003] The present disclosure generally relates to a method of drying aerobic particles. Background technique [0004] Aerobic granules can be used in wastewater treatment. Typically, aerobic granules develop from flocculent sludge to dense aggregates, granular sludge and finally mature aerobic granules. Shipping of seed pellets is expensive and time-consuming, especially when the seed pellets are to be transported to another country. [0005] There is still a need to produce dry aerobic granules. Contents of the invention [0006] In one aspect, a method of producing dry aerobic granules is provided, comprising: [0007] (a) subjecting the aerobic particles to a particle size selection step; [0008] (b) subjecting the size-selected aer...

Claims

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Application Information

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IPC IPC(8): B01J2/00C02F3/02C02F3/12C12N1/04F26B5/00
CPCC02F3/12C12N1/04Y02W10/37C02F3/348F26B3/286F26B11/04F26B11/028F26B9/082F26B3/06F26B11/14F26B2200/08Y02B40/18C02F2303/24C02F2003/001C12N1/20F26B5/005
Inventor 郑俊华小仓舜兰尼亚·艾哈迈德·哈姆扎·赛义德·艾迪绳志雅
Owner 鑫颗生物科技私人有限公司
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