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What is CSTR process for biogas production and its benefits?

CSTR for biogas by Papop

CSTR is a popular and widespread biogas production process today. CSTR stands for “Continuous Stirred Tank Reactor”. It can handle a variety of feedstocks such as Napier grass, sludge, cassava pulp, food waste, and wastewater from swine farms. In this article, Papop would like to introduce you to this process in more detail. 

CSTR is a reactor system with continuous stirring. It is characterized by a tank where feedstock or wastewater is continuously and consistently added. Then, all the mixtures are continuously stirred in an anaerobic condition to facilitate the biological degradation process. The result is biogas, which consists of methane and carbon dioxide.

 

How does it work? 

  1. Preparation of Feedstock and Acid Production: Feedstocks such as livestock farm effluent, organic waste, Napier grass, rice straw, sludge, cassava pulp, and others are prepared and placed in an acid digestion tank before being added to the CSTR tank. The acid digestion process produces acetic acid, which serves as food for the microorganisms that produce biogas. 
  1. Anaerobic Digestion: In the CSTR tank, continuous stirring is carried out using various types of mixers, such as side wall mixers, top-mounted mixers, or submersible mixers. This ensures thorough mixing of the feedstock and its anaerobic decomposition. Microorganisms break down the feedstock and release biogas. 
  1. Collection and Utilization: The produced biogas is collected and can be used for thermal energy, electricity generation, or as fuel in various processes. 

Example of CSTR tank for biogas production from rice straw

Advantages and benefits of CSTR 

  1. Continuous Biogas Production: CSTR can continuously produce biogas, ensuring a stable and consistent energy supply. 
  1. Ability to Handle Various Types of Waste: CSTR can use various types of feedstocks to produce biogas, making it efficient in managing different kinds of waste. 

Efficient Use of Space: CSTR is designed to use space efficiently, allowing it to be installed in limited areas. 

Example of CSTR tank for biogas production from rice straw

The advantages of the CSTR biogas production process is an efficient technology for converting waste into renewable energy. Choosing the services of Papop will ensure you receive a high-quality system and comprehensive services, making your biogas production smooth and yielding the best results. Papop has specialized technology with the highest efficiency for digesting cassava pulp, Napier grass, rice straw, and other agricultural residues. 

If you are looking for a sustainable and efficient energy production method, contact Papop Co., Ltd. today for consultation and the best offers for you. 

LINE official: @papop 

Tel: +662 570 5580 

Email: info@papop.com