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Aerobic Digester

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Aerobic Digester Specification

Accuracy
±1%

Automation Grade
Automatic

Feature
Automatic control, High efficiency, Low maintenance

Measurement Range
0-100 Kg

Temperature Range
Ambient to 55°C

Model No
AD-2940

Power Source
Electric

Voltage
230 V

Frequency
50 Hz

Core Components
Reactor Vessel, Control Panel, Blower, Sensors

Capacity
25-100 Kg per day

Equipment Materials
Stainless Steel

Type
Aerobic Digester

Usage
Engineering training Equipment

Display Type
Digital

Dimension (L*W*H)
1100 mm x 600 mm x 1200 mm

Weight
Approx. 120 Kg

Service Support
On-site installation and training

Humidity Control
Automatic

Biodegradable Waste Input
Organic kitchen waste, food leftovers

Training Application
Educational/Research Use

Air Supply
Integrated Blower

Color
White/Grey

Operating Mode
Continuous

Output
Mature compost

Installation Type
Floor Mounted

Safety Features
Emergency stop switch, Overload protection

Process Duration
12-18 hours

Control System
Programmable Logic Controller (PLC)

Noise Level
<60 dB

Maximum Loading Capacity
100 Kg/day

Aerobic Digester Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Letter of Credit (L/C), Telegraphic Transfer (T/T), Cash Advance (CA), Cash in Advance (CID), Cheque

Supply Ability
Piece

Delivery Time
Week

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Packaging Details
carton box, export quality also available

Main Export Market(s)
Eastern Europe, Africa, Middle East, Western Europe, Asia

Main Domestic Market
All India

Certifications
ISO 9001, 14001 ,CE

About Aerobic Digester

Aerobic Digester

Aerobic Digester consists of a 2 gallon reactor vessel mounted on a steel base, with a liquid feed pump, air supply, and instrumentation for monitoring and controlling the process.The cylindrical wall of the reactor is made from 2 layers of porous plastic material to retain the suspended solids, while allowing treated water to pass through to the outer, annular exit chamber.This design allows the essential features of the aerobic treatment process to be studied without the distractions of having to settle the solids adequately enough for external recycle, a well known laboratory problem.The porous liners are removable for cleaning, and a spare liner is supplied.Waste water is drawn from a feed tank by a 120V motor driven peristaltic pump. Flow rate is controlled by a variable run time control that determines the minutes of run time within a 10 minute cycle. The pump delivers the feed to the reactor vessel through a transparent lid. Air is supplied at a measured rate by a small air pump, and discharges into the base of the reactor via an air distribution device. This provides the necessary oxygen for the digestion process, as well as produces sufficient bubbling for stirring and reaction. The liquid level in the reactor is maintained at a constant value of 1 or 2 gal. by an overflow device connected to the outer annular chamber of the vessel. Discharge is by gravity to a floor-standing product tank (not supplied).

The reactor temperature is maintained by a 3-term PID controller which varies power to an immersion heater within the vessel. Any temperature between ambient and 95 °F may be selected, with the best conditions being a few degrees above the diurnal maximum.

Dissolved oxygen and pH probes and meters are included.The reactor lid contains a gas exit port, suitable for sampling the gases for subsequent analysis

Specification:

Feed pump 120V, peristaltic, 10 rpm, variable run time control corresponding to 013 gal. per day Air pump 240V/120V, 01.35 g pm Reactor vessel 2 gal. maximum capacity pH meter Range 0.00 to 14.00 Dissolved oxygen meter Range 0-100% saturation, resolution 2% Reactor heater Electrical immersion 250WTemperature controller 3-term PID, temperature limit set at 95°F.

Efficient Training Solution for Waste Management

Designed for universities and research centers, this aerobic digester offers a hands-on solution for teaching and experimental purposes. By showcasing advanced PLC-based automation and precise process controls, students and trainees can explore every aspect of aerobic composting in a reliable, safe environment.

Robust Construction and User-friendly Control

Manufactured from stainless steel and featuring a digital PLC control panel, the digester is engineered for durability and ease of use. The built-in safety features, such as an emergency stop switch and overload protection, ensure smooth and secure operation during continuous use.

Superior Performance With Minimal Maintenance

The integrated blower, automatic temperature, and humidity controls guarantee an aerobic environment ideal for rapid compostingproducing mature compost in as little as 12 hours. Minimal maintenance and high efficiency make it a cost-effective choice for regular educational or research operations.

FAQs of Aerobic Digester:

Q: How does the Aerobic Digester AD-2940 process organic waste?

A: The digester uses a continuous PLC-controlled aerobic process, where integrated sensors monitor key parameters. The system automatically manages airflow, humidity, and temperature to promote the rapid decomposition of organic kitchen waste and food leftovers, converting them into mature compost within 1218 hours.

Q: What are the primary benefits of using this digester in an educational or research setting?

A: Its automatic operation, high efficiency, and programmable controls allow users to monitor and adjust composting variables in real-time, making it perfect for experiments and demonstrations. Safety features, digital displays, and on-site training further enhance usability and learning outcomes.

Q: When should the digester be operated for optimal performance?

A: For best results, load the digester daily or according to the scheduled training sessions, ensuring the input does not exceed the 100 kg/day maximum. The system is designed for continuous operation, so it can be run and monitored as part of regular classes or research projects.

Q: Where can the AD-2940 Aerobic Digester be installed?

A: This unit is floor-mounted and suitable for placement in laboratories, research centers, engineering departments, or educational workshops, provided the site has appropriate electrical connections (230 V, 50 Hz) and space for the machines dimensions (1100 mm 600 mm 1200 mm).

Q: What safety mechanisms are included with the product?

A: The digester is equipped with an emergency stop switch and overload protection, ensuring operator safety and equipment protection during operation. These features are crucial for educational environments where multiple users may interact with the system.

Q: How is the composting process monitored and controlled?

A: A programmable logic controller (PLC) and digital display enable automatic adjustment and monitoring of composting variables, such as temperature (up to 55C), humidity, and loading weight. Users can observe the entire process for accurate experiments and training.

Q: What support and training are offered with the purchase?

A: The supplier provides comprehensive on-site installation and user training, ensuring that staff and students are fully equipped to operate, maintain, and experiment with the digester safely and effectively.

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