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Method for producing biogas from palm oil manufacturing wastewater

A palm oil and wastewater technology, applied in chemical instruments and methods, gas fuels, waste fuels, etc., can solve the problems of particle loss, particle scouring, and long startup cycle.

Pending Publication Date: 2021-04-27
UNIVERSITI MALAYA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, they still have many limitations and deficiencies, such as but not limited to, the systems and methods disclosed in the above-mentioned prior art require a long start-up period when the system often fails, and may require 2-4 month, more troublesome
Furthermore, the disclosed system may experience loss of granulation and scouring of particles under hydraulic stress, especially at high and very low upflow velocities.

Method used

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  • Method for producing biogas from palm oil manufacturing wastewater
  • Method for producing biogas from palm oil manufacturing wastewater
  • Method for producing biogas from palm oil manufacturing wastewater

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[0053] Materials and Methods

[0054] A two-stage UASFF bioreactor was prepared, which consisted of two parts: H for conducting a dark fermentation process to produce biohydrogen 2 -UASFF unit, and CH for anaerobic fermentation to produce biomethane 4 -UASFF unit. The schematic diagram of the bioreactor setup is shown in figure 2 shown.

[0055] Culture medium and substrate preparation

[0056] POME was collected in the anaerobic pond of a palm oil mill in Banting (Selangor, Malaysia). This POME is characterized as digested POME. Sludge was adapted in a single-stage UASFF bioreactor at 10 g L -1 Glucose solution was fed as substrate to generate biogas until its pH was stabilized between 7-8, the percentage of methane in the biogas was always kept at 70% or higher, and the final wastewater COD removal rate was 76.34%. The first part of the adapted sludge will be used as H 2 - The inoculum for biohydrogen production in the UASFF system was diluted with water and hea...

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Abstract

A method for producing biogas from palm oil manufacturing wastewater comprises the steps: preparing an inoculum using wastewater sludge (110), preparing a raw material (120), and performing multi-stage fermentation to produce a variety of marsh gases. The multi-stage fermentation comprises an acidification reaction (130) for producing bio-hydrogen, and a methanogenesis reaction (140) for producing bio-methane. The multi-stage fermentation is carried out in a separate up-flow anaerobic sludge fixed membrane reactor for each reaction. Furthermore, an acidification reaction (130) is carried out by slowly mixing palm oil manufacturing wastewater with a feedstock into a first reactor with acid-producing bacteria to produce bio-hydrogen and wastewater, whereby the wastewater is used as a feedstock for producing methane in a methanogenic reaction (140). The methanogenic reaction (140) is carried out by feeding the inoculum (110) and delivering the wastewater into a second reactor having methanogenic bacteria for producing methane.

Description

technical field [0001] The present invention generally relates to the technical field of waste treatment, in particular to a method for producing biogas from waste water produced from palm oil. Background technique [0002] Palm oil manufacturing effluent (POME) is effluent from multiple processes such as sterilization, crude oil clarification or separation of cracking mixtures. Generally, POME is divided into two categories, namely raw POME and digested POME. Digested POME can be produced by aerobic or anaerobic treatment processes, where the POME processed by each type of treatment process has a different chemical composition. However, without a strategic and effective waste management system designed to prevent the aforementioned chemical contamination of the environment, POME can pose a serious threat to the environment. [0003] Several methods for processing POME into biogas have been designed and created to manage this hazardous waste. POME has a high content of or...

Claims

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Application Information

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IPC IPC(8): C02F3/34C02F3/28C10L3/08C02F103/36
CPCC02F3/34C02F3/2846C10L3/08C02F2103/36Y02E50/30
Inventor 莎莉莎·宾蒂·易卜拉欣比达图尔·锡拉特·宾蒂·再纳阿里·阿克巴尔·辛纳蒂扎德
Owner UNIVERSITI MALAYA
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