Aerobic Degradation Process in Palm Oil Mill— Issues, Challenges and Upsurging Its Efficiency through Bioremediation

水资源与保护(英文) Pub Date : 2022-01-01 DOI:10.4236/jwarp.2022.147027

I. A. Razak, N. Bohari, Elya Masya Mohd Fishal, Nurul Lina Mohamad, Muhamad Nurfikri Azmi, Muhammad Firdaus Fahmi Mohd Razali, H. Ibrahim

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Abstract

Palm oil mill effluent (POME) is liquid waste produced from palm oil extraction process. Discharging it to the river without treatment is violation according to Malaysia Environment of Quality Act (EQA) 1974. In Malaysia, ponding system is a conventional treatment method for POME due to its economical and simple process. The treatment process mainly involves two main treatment phases; anaerobic and aerobic degradation. Anaerobic degradation has a proven track record in reducing pollutant properties in POME up to 85%. The real challenge is to increase the efficiency of aerobic process as the biological oxygen demand (BOD) discharge limit has been further reduced from 100 mg∙L −1 to less than 20 mg∙L −1 . One of economical and feasible approach to increase the efficiency of aerobic phase is via bioremediation. This paper describes the limitation of aerobic degradation in ponding system, besides discussed on the important aspects that need to be optimized for a success implementation of bioremediation and its challenges. Demand, TSS—Total TS—Total

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棕榈油加工厂的好氧降解过程——问题、挑战和通过生物修复提高其效率

棕榈油厂废水(POME)是棕榈油提取过程中产生的废液。根据1974年马来西亚环境质量法案(EQA)，未经处理就将其排放到河中是违反的。在马来西亚，池塘法因其经济、工艺简单而成为POME的常规处理方法。处理过程主要包括两个主要处理阶段;厌氧和好氧降解。厌氧降解已被证明可以将POME中的污染物特性降低85%。随着生物需氧量(BOD)排放限值从100 mg∙L−1进一步降低到20 mg∙L−1以下，真正的挑战是提高好氧过程的效率。生物修复是提高好氧相效率的一种经济可行的方法。本文描述了好氧降解在池塘系统中的局限性，并讨论了成功实施生物修复需要优化的重要方面及其挑战。需求，TSS-Total TSS-Total

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水资源与保护(英文)

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