As a byproduct of crude refining process petroleum coke features a low ash content, moderate volatility and a high heating value.

石油焦是炼油工艺的副产品，具有低灰分、一定挥发份和高热值的特性。

youdao

It points out it has high spreading value melting salt heating and it has high economic and society benefit handling phenol water.

指出熔盐加热技术有较好的推广价值，酚水治理技术有较好的经济效益和社会效益。

youdao

Variations of the process enable production of high purity hydrogen, methanol, ammonia, methane or low heating value gas.

此过程的演变工艺可以生产高纯度氢气、甲醇、氨、甲烷或低热值气体。

youdao