PRA Biogas Factory Design From Tapioca Factory Waste (LPT) With Double Stage Anaerobic Fermentation For Raw Material Capacity 36,000 Tons Of LPT/Year And Special Task Design Of Stripper Details

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Introduction

Building Clean and Environmentally Friendly Energy from Tapioca Industrial Waste

The world is facing a significant challenge in terms of energy production and consumption. The increasing demand for energy has led to the depletion of fossil fuels, resulting in environmental degradation and climate change. In this context, the development of renewable energy sources has become a pressing need. One such source is biogas, which can be produced from organic waste, including tapioca factory waste. This article discusses the pre-design of a biogas factory from tapioca factory waste (LPT) with a capacity of 36,000 tons of raw materials for LPT per year, using two-stage anaerobic fermentation technology.

Location and Capacity

The factory location is planned in Sukaraja Nuban Village, Batanghari Nuban District, East Lampung Regency, Lampung Province, with an area of 15,796 square meters. The factory is designed to produce 16,718,722 kw/hour electricity (132,412,279,639 kw/year) and operate for 330 days a year.

Economic and Feasibility Analysis

Overview of Economic Analysis

The results of economic analysis show that this biogas factory has very good potential, with:

  • Total Investment: Rp. 273,689,481,295.29
  • Total production costs: Rp. 139,166,884,472.67
  • Total Sales: Rp. 316,710,505,745.05
  • Net profit: IDR 108,208,135,828.29
  • Profit Margin (PM): 56.11%
  • Break point (BEP): 46.64%
  • Investment Advantages (ROI): 39.54%
  • Return time (pot): 2 years 7 months
  • Network Advantages (RON): 65.89%
  • Internal Returning Rate (IRR): 40.26%

Conclusion of Economic Analysis

Based on the results of this analysis, it can be concluded that the pre-design of the biogas factory from the tapioca factory waste with the two-stage anaerobic fermentation is feasible to be built.

Advantages of Two-Stage Anaerobic Fermentation Technology

High Efficiency

Two stages of fermentation allow anaerobic bacteria to work more effectively, produce more methane gas.

Better Control

The two-stage system allows better control of fermentation conditions, such as pH and temperature, which optimizes the biogas production process.

Risk Reduction

Risk of fermentation failure can be reduced by the presence of a reserve system in the second stage.

Economic and Environmental Benefits

Renewable Energy Source

Reducing dependence on fossil energy and reducing greenhouse gas emissions.

Utilization of Waste

Reducing tapioca factory waste and turning it into an economic source of energy.

Employment Creation

Opening new jobs for the surrounding community.

Increasing Income

Providing additional sources of income for the community.

Improved Local Economy

Encouraging economic growth in the region.

Special Task Design of Stripper Detail Engineering

Overview of Stripper Detail Engineering

The special task in this pre-design is to design stripper details. Stripper is an important equipment in the biogas production process. Its function is to separate methane gas from other gases produced in the fermentation process, such as carbon dioxide and hydrogen sulfide.

Stripper Detailed Design

  • Material selection: Material selection that is resistant to corrosion and high pressure.
  • Technical Design: The optimal calculation of the size and shape of the stripper for the gas separation process.
  • Control system: Effective control system design for controlling the gas separation process.
  • Safety: Ensuring safety and security in the operation of the stripper.

Conclusion

The pre-design of the biogas factory from tapioca factory waste with an anaerobic fermentation of two stages is an innovative and sustainable solution to utilize industrial waste and produce renewable energy. The success of this project will provide significant economic and environmental benefits for the surrounding community. With the right implementation, this biogas factory can be a clear example of industrial sustainability in Indonesia.

Introduction

In our previous article, we discussed the pre-design of a biogas factory from tapioca factory waste (LPT) with a capacity of 36,000 tons of raw materials for LPT per year, using two-stage anaerobic fermentation technology. In this article, we will answer some of the frequently asked questions (FAQs) related to this project.

Q&A

Q1: What is the purpose of the biogas factory?

A1: The purpose of the biogas factory is to produce renewable energy from tapioca factory waste, reducing dependence on fossil energy and greenhouse gas emissions.

Q2: How does the two-stage anaerobic fermentation technology work?

A2: The two-stage anaerobic fermentation technology involves two fermentors to produce methane gas. The first stage involves the breakdown of organic matter into volatile fatty acids, while the second stage involves the conversion of these acids into methane gas.

Q3: What are the advantages of two-stage anaerobic fermentation technology?

A3: The advantages of two-stage anaerobic fermentation technology include high efficiency, better control, and risk reduction.

Q4: How does the stripper work?

A4: The stripper is an important equipment in the biogas production process. Its function is to separate methane gas from other gases produced in the fermentation process, such as carbon dioxide and hydrogen sulfide.

Q5: What are the benefits of the biogas factory?

A5: The benefits of the biogas factory include renewable energy source, utilization of waste, employment creation, increasing income, and improved local economy.

Q6: How does the biogas factory reduce greenhouse gas emissions?

A6: The biogas factory reduces greenhouse gas emissions by producing renewable energy from tapioca factory waste, which would otherwise be released into the atmosphere as methane.

Q7: What is the capacity of the biogas factory?

A7: The capacity of the biogas factory is 36,000 tons of raw materials for LPT per year.

Q8: Where is the biogas factory located?

A8: The biogas factory is located in Sukaraja Nuban Village, Batanghari Nuban District, East Lampung Regency, Lampung Province.

Q9: What is the total investment for the biogas factory?

A9: The total investment for the biogas factory is Rp. 273,689,481,295.29.

Q10: What is the expected return on investment (ROI) for the biogas factory?

A10: The expected ROI for the biogas factory is 39.54%.

Conclusion

The biogas factory from tapioca factory waste (LPT) with a capacity of 36,000 tons of raw materials for LPT per year is a promising project that can provide significant economic and environmental benefits. The two-stage anaerobic fermentation technology and stripper design are key components of this project, which can help reduce greenhouse gas emissions and produce renewable energy. We hope that this Q&A article has provided valuable information to our readers.