Synthesis of high surface area porous carbon from anaerobic digestate and it's electrochemical study as an electrode material for ultracapacitors.

These impurity peaks at 17.6°, 22.9°, 24.8° of 2 θ are quite significant in DDHPC-1kh and DDHPC-2kh and represent the presence of methanogenic digestate (sluggish) impurities which may be due to a combination of clay components, remnant of nutrients and minerals. 42 Peaks for DDHPC-1kh and 2kh, centered at around 17.6° and 24.8° of 2 θ can be assigned for layered silicates and orthosilicate impurities such as illite, which is a principal constituent of natural clay.

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