usage of biogas

{"cid":"91186851","title":"5-100m3 Soft Methane Storage Tank,Fireproof Balloon Gas Tank Biogas Fermentation Tank SGS","imgUrl":"https:\/\/img.ismap.com\/nimg\/95\/37\/97cbdab60b09a23d301c0eb0df6c-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"BGO","Model Number":"MT-003","Minimum Order Quantity":"10pcs","Certification":"SGS, CE, COC, UL, EN14960","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"1000PCS\/week","Packaging Details":"Wooden carton","Material":"TPU tarpaulin","Capacity:":"2-2000m3","Item Name:":"Biogas Digest","Color":"Red\/Blue\/White Or Customized","Application:":"Cooking Fuel","Shipping:":"DHL,UPS,FEDEX,Sea"}}

{"cid":"91194040","title":"Colorful LCD Display Multi Gas Detector With Pump , Gas Leak Alarm System","imgUrl":"https:\/\/img.ismap.com\/nimg\/b6\/89\/f8743e654901e615669d6df75282-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"BOSEAN","Model Number":"K-600","Minimum Order Quantity":"Negotiable","Delivery Time":"1-7 days","Certification":"FCC, CE, RoHS, SIL, ATEX","Place of Origin":"Henan, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram, Credit Card","Supply Ability":"50units per day","Packaging Details":"gas detection system will be packed with the export standard carton package or aluminum box or as per customer require","Working Temperature":"-20\u2103-50\u2103","Battery":"3.7V Lit rechargeable battery","Records":"1200 records","Charging time":"6-8 hours","Weight":"400g","Deviation":"<\u00b15%FS"}}