how to build a biogas digester

{"cid":"91203252","title":"Landfill Building A Biogas Digester Biogas Plant","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1d\/e5\/d26480e11cafe3c08b8159cfe712-200x200-1.jpg","attrs":{"Price":"USD1000~50000\/set","Brand Name":"JCWY","Model Number":"JC-YHG1000","Minimum Order Quantity":"1set","Delivery Time":"30-60 workdays","Certification":"ISO9001:2015","Place of Origin":"Shandong","Payment Terms":"L\/C, T\/T","Supply Ability":"10sets\/month","Packaging Details":"Normal package","Material":"Q235B steel plate","Thickness":"0.5~2.0mm","Feature":"Movable","PRaw material":"Animal manure","High efficiency":"Constant Reacting Temperature Keeping","Surface Treatment":"Spray Paint"}}

{"cid":"91149008","title":"GFS Roof 20m3 Biogas Storage Tank Eco - Friendly","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d3\/b7\/6e7b2ff46e5a3caa755d26a09779-200x200-1.jpg","attrs":{"Price":"$5000~$20000 one set","Brand Name":"CEC TANKS","Model Number":"W20171016013","Minimum Order Quantity":"1set","Delivery Time":"10-30 days after deposit received","Certification":"ISO 9001:2008, AWWA D103 , OSHA , BSCI","Place of Origin":"China","Supply Ability":"60 sets per month","Packaging Details":"PE poly-foam between each two steel plates ; wooden pallet and wooden box","Coating thickness":"0.25mm~0.40mm & Double coating","Capacity":"20 m3 to 18,000 m3","Foundation":"Concrete or glass fused steel","Size Of Panel":"2.4M * 1.2M","Easy to clean":"Smooth, glossy, inert, anti-adhesion","Feature":"Eco-friendly, Durability"}}