Table 1.

Specification of raw materials.

Raw materials	Specification
Jute plant (Tossa jute)	Height (meter): 1.83 Plant age: 120 days Scientific name: Corchorus olitorius Source: Nalia, Rajbari, Bangladesh.
Natural catalyst	Catalyst name: Fermented Soybean seed Scientific name: Glycine max Bacteria found in fermented soybean: Bacillus subtilis Source: Katabon, Romna, Dhaka.
Concrete tank	Construction Materials: Cement, sand, coarser aggregates Mixing ratio: 1:2:4 Dimension (meter): 0.91 × 0.61 × 0.46
Water	Source: Pond water Total dissolved solid (milligram/liter): 240 Biological Oxygen Demand (milligram/liter): 9.58 Chemical Oxygen demand (milligram/liter): 75.72 pH: 7.6
Rice straw	Source: Field Scientific name: Oryza sativa L