Rice straw is the main agricultural by-product while polyethylene is among the most widely produced plastics in the world. The bulk of rice straw and discarded polyethylene end up in landfills and pose concerns with waste management. By valorizing these wastes into valuable fuels through a suitable conversion approach, the associated environmental pollution and waste management problems can be reduced. In the reported work, a low-cost cement catalyst was tested for co-pyrolysis of rice straw and waste polyethylene into combustible liquid and gases in a fixed bed pyrolysis reactor. Under optimum conditions, the co-feed rice straw and polyethylene yielded 57.2 wt.% of liquid fuel, 21.3 wt.% of gas, and 21.5 wt.% of bio-char. When compared with rice straw alone, the co-feed feedstock produced 16.60% more liquid fuel and 7.5% less bio-char. The liquid product increased with an increase in plastic content of the blend. The amount of liquid product increased from 57.2 to 74.18 wt.% for rice straw to polyethylene ratio of 1:3. The catalyst showed a noticeable effect on composition of the fuels. With the use of catalyst, the gas yield increased from 21.3 to 28.16 wt.% and hydrogen content of gas increased from 19.33 to 31.18 mL/g.

稻草是主要的农业副产品，而聚乙烯是世界上生产最广泛的塑料之一。大部分稻草和废弃的聚乙烯最终进入垃圾填埋场，对废物管理产生了担忧。通过采用适当的转化方法将这些废物转化为有价值的燃料，可以减少相关的环境污染和废物管理问题。在报道的工作中，测试了一种低成本的水泥催化剂，用于在固定床热解反应器中将稻草和废聚乙烯共热解为可燃液体和气体。在最佳条件下，共同喂入稻草和聚乙烯可产生57.2 wt。％的液体燃料，21.3 wt。％的气体和21.5 wt。％的生物炭。当与单独的稻草相比时，共同进料产生的液体燃料增加了16.60％，生物炭减少了7.5％。液体产物随着混合物中塑料含量的增加而增加。对于稻草与聚乙烯的比例为1：3，液体产物的量从57.2重量％增加到74.18重量％。催化剂对燃料的组成显示出显着的影响。使用催化剂，气体产率从21.3wt。％增加到28.16wt。％，气体的氢含量从19.33mL / g增加。