Assessment of methane enrichment efficacy of pre-disintegrated water hyacinth biomass using sonic wave assisted biosurfactant

•Sonic wave method was attained minimal biomass lysis rate (15.7 %).•Sonic wave coupled Iturin A with alkaline pH method got higher biomass lysis rate.•Higher biomethane noted for sonic wave coupled Iturin A with alkaline pH method.•Sonic wave coupled Iturin A with alkaline pH method attained energy...

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