Patent ID: 8481300

Claim:
A method for producing bioenergy comprising: (S1) cultivating aquatic plant and/or algae having a greenhouse gas absorbing activity and resistance to toxic substances, while supplying a waste gas mixture to the aquatic plant and/or algae; (S2) cultivating predators having a capability to prey on the aquatic plant and/or algae while supplying the aquatic plant and/or algae to the predators; (S3) harvesting the predators; and (S4) converting the harvested predators into bioenergy, wherein the predator is a host, an egg, or a larva of at least one selected from the group consisting of protest, crustacea, helminthes, benthos, Oxyrrhis marina, Gyrodinium spp., Gymnodinium spp., Polykrikos spp., Protoperidinium spp., Pfiesteria spp., Stoeckeria spp., Luciella spp., tintinnids, naked ciliate, and rotifer; and wherein the aquatic plant and/or algae is at least one selected from the group consisting of Amphidinium carterae and Heterosigma akashiwo, Chattonella spp., Rhodomonas salina, lsochrysis spp., and cryptophytes, Skelefonema costatum, Chaetoceros curvisetus, Chaetoceros debilis, Chaetoceros didymus, Chaetoceros socialis, Ditylum brightweffii, Hemiaulus sinensis, Leptocylindrus danicus, Odontella aurita, Thalassiosira nordenskioeldii , and Chaetoceros spp., sea mustard, kelp, laver, green laver, and agar seaweed, and sea grass.