Biogas anaerobic fermentation tank with double membrane gas holder for CHP biogas plant

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US $100,000-1,000,000 / Sets | 1 Set/Sets (Min. Order)
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Quick Details
Brand Name:
Model Number:
Place of Origin:
Shandong, China (Mainland)
biogas plant
Hydrogen Content (%):
Methane Content (%):
Nitrogen Content (%):
Sulphur Content (%):
200-5000 customized
Installation Guidance for you, easy, quick
Full automatic control system
Overall biogas solution for you
Anti-corrosion process:
e-coating and p-coating
Acid alkalinity:
Standard coating for PH 3~11
Coating thickness:
Service life:
30 years
Stick force:
4050 N/cm
Superiority over Enameled tank:
Good impact resistance, higan toughness
Supply Ability
Supply Ability:
20 Set/Sets per Year
Packaging & Delivery
Packaging Details
Wooden box or customized package
Lead Time :
about 15 days -according to order


Integrated reactor

Biogas anaerobic fermentation tank with membrane gas holder/

Gas production and gas storage integrated reactor




Both biogas digester and flexible double membraner gas holder on the top of the reactor constitute the Gas Production and Gas Storage integrated System. The integrated biogas device is currently the mainstream mode of construction in European countries with a wealth of successful experience.  98% of the biogas projects builted in recent years are heat, electricity and fertilizer cogeneration mode, and the 80% of which adopt integrated anaerobic reactor.



Advantages of integrated reacter:

(1)  Small space required, save 30% of construction area;

(2)  Substitute for the split type gas holder, save construction cost 15%;

(3)  Short period of construction, shorten the construction period of 50%;

(4)  Run normally in winter cold area, gas holder does not freeze.


Part 1.

Biogas digester

Biogas digester is a kind of ECPC bolted steel tank made of special anti-corrosion processed steel, polymer composite sealing materials, self-locking bolt assembling materials. 


Afterpretreatment both inside and outside steelplate are coated wiith electro-coating and powder-coating. The double layer protective coats enable the bolted tank to possess excellent anti-corrosion property and strong resistance to wearing and collision with service life up to 30 years.


The steel plates lapped mutually by using self-locking bolts connection and dedicated sealing material, it’s available to swiftand low power installation.




1. Regular dimension of the steel sheet is 1250mm*2500mm*3/4/5/6/8/10/12/14/16mm which is adjusted according the bolted tank size.

2.The antio-corrosion of the steel sheet adopts advanced ECPC(E-coating and -coating) process.

3.ECPC achieves perfect anti-corrosion level and simultaneously advoids the defect of collision effect with enamel coating which makes the delivery and installation more easier.


Why choose our ECPC Bolted Steel Storage Tank?

1.      High-efficiency and high-precision maching

2.      Plate surface is smoothness, does not distort

3.      There is no limit to steel plate thickness in terms of ECPC process.

So far, there is plate thickness limitfor LIPP tank and Enamel tank, For large tank construction, the steel plate must reach a certain thickness to satisfy strength requirement.

4.      Full coverage anti-corrosion processed: bolt hole, flanges, pipe fitting, ladder, platform, accessories.

5.      Double layer anti-corrosion for both inside and outside of the steel plate

6.      Strong resistance to shock, flexible for bent/collision, coating not effected during transportation and installation.

7.      Color is diverse for customized

8.      Recyclable for re-ECPC

9.      Poison free and pollution free of ECPC process

10.  A high resistance to aggressive materials and corrosive liquids (PH: 1~14)

11.  Highly resistant to atmospheric corrosion and UV light

12.  High durability and extended life usage (More over 30 years)

13.  Easy maintenance and cleaning

14.  Operational duty time considerably reduced

15.  Short manufacturing times

16.  Expandability and the ability to relocate

17.  High cost effective, minimal maintenance expense




Part 2.

Double membrane biogas holder:

Double Membrane Gas Holder/Gas storage Cabinet is a durable air supported structure specifically designed for the purpose of biogas storage. The biogas special-used membrane material is made of highly tear-resistant and anti-corrosion polyester fabrics.

Double membrane gas holder can be used as an independent gas storage structure, or be installed as part of the anaerobic digestion system.


Membrane material:




Company Information

About us                              

Shandong Better New Energy Technology CO., LTD is a technology-oriented and fast-developing company which integrates R&D, design, manufacture, sales and customer service in Biogas Engineeing. Our company was wholly funded by SHANDONG BETTER ELECTRONICS CO., LTD which was established in 1987 and covers an area of 50,000 square meters and possess total assets of more than RMB 130 million. With rich industry experience, strong R&D and efficient manufacturing, BETTER has passed the evaluation of ISO9001 Quality System Management Certification and has obtained 19 national patents and lots of provincial awards by Chinese goverment.



With “honesty in career” business dealing and the philosophy of harmony, endeavour, practicality and innovation, we have always uphold “high-quality products and excellent services” for customers. Let’s join in hand to create a glorious future.





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