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Compost biodegradation instrument

Brand:Thmorgan
Model:M9000W
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Thmorgan
Model:
M9000W
Product description
Parameters

 

First, product use

1, carbon dioxide was measured by weight method;

2, meet GB/T19277.2 standard testing requirements;

3, can be used for composting biodegradability detection;

4, suitable for biological base, plastic and other products of biodegradability determination;

 

Two, product features

1. Determine the carbon dioxide release amount of samples by gravimetric method;

2, using water bath temperature control, to achieve accurate temperature control of room temperature -99, temperature adjustment accuracy up to ±0.1;

3, automatic liquid level control, with automatic water refill design;

4, automatic humidification design, keep water content stable;

5, 9 channel detection system, high experimental efficiency.

 

Three, product principle

In this experiment system, carbon dioxide production was measured by gravimetric method under the condition of aerobic composting.

Under the action of microorganisms, bio-based materials consume oxygen and decompose to produce carbon dioxide, water and other inorganic substances, and the carbon dioxide produced is measured by gravimetric method. The biodegradation rate is the percentage of the actual carbon dioxide release of the sample and the theoretical carbon dioxide release of the sample.

 

Four, technical parameters

1. Oxygen supply system

1.1 Air supply mode: continuous aeration oxygen supply, built-in air supply pump;

1.2 Number of air supply pumps: 9;

1.3 Gas flow adjustment range: 30 -- 300ml/min;

1.4 Each channel is individually controlled, with 9 flow regulators and flowmeters;

1.5 Oxygen supply mode: oxygen supply from below.

2. Reaction system

2.1 Number of channels: 9;

2.2 Temperature control mode: water bath type;

2.3 Set temperature range: room-99 , step 0.1;

2.4 Temperature control accuracy: ≤±0.1;

2.5 Reaction bottle volume: above 2000ml;

2.6 Reaction bottle material: high borosilicate hard glass;

2.7 Pre-decarbonization system: yes;

2.8 Ammonia removal system: Yes.

3. Detection system

3.1 Detection method: Gravimetric determination of carbon dioxide production;

3.2 Detection range: 0-200g;

3.3 Detection accuracy: ±0.1g;

3.4 Detection period: can be used continuously for a long time.

3.5 Front dewatering system: Yes.

4. Whole system

4.1 Power supply: 220V AC;

4.2 Power frequency: 50/60Hz;

4.3 Working humidity: < 60%;

4.4 Operating temperature: 5-40;

4.5 Power: 4KW;

4.6 dimensions (L x W x H) : 1500mm x 900mm x 900mm

4.7 Gross weight: 180KG.

 

Five, standard configuration

1. 1 host machine;

2. 9 reaction bottles;

3. 9 decarbonization bottles;

4. In addition to 9 ammonia bottles;

5. 9 absorption bottles;

6. 9 dehumidification bottles;

7. Connect 1 set of hose;

8. One set of documents will be attached.

 

 

Six, typical cases

This is the experimental result of testing the biodegradability of a sample by using m9000W-type compost biodegradability tester in a certain unit according to GB/T19277.2-2013 method standard. The test period is 50 days. It can be seen from Figure 1 that the cellulose degradation rate reaches 79.13% within 45 days, and the growth curve of each experimental group is gentle at this time. As the experiment progresses, it will gradually be completely degraded. The experimental design is shown in the following table:

 

   Table 1 Experimental design

 

 

1

2

3

4

5

6

7

8

9

inoculum

300g

300g

300g

300g

300g

300g

300g

300g

300g

cellulose

 

 

 

10g

10g

10g

 

 

 

The sample

 

 

 

 

 

 

10g

10g

10g

 

   Figure1  CORelease curve

 

 

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