桑枝粉富含纤维素和木质素，具有吸附去除废水中重金属离子的功能。

Mulberry shoot powder(MSP) is rich in cellulose and lignin, which can remove heavy metal cations from aqueous solution by adsorption.

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针对尖山矿磁铁矿粉滤饼水分偏高的情况，以木质素磺酸钙为助滤剂进行了初步试验。

Taking account of the situation that moisture content of magnetite filter cake was on the low side, primary tests were carried out by using lignin calcium sulfonate as filter aid.

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干酪根主要是母源体中的孢粉素与木质素在埋藏环境中不同热变质阶段的残留物，是油气形成的母源物。

Kerogen is the leftover material of sporopollen element and lignin in original bodies in different thermal metamorphic period and it is the original material of gas-oil formation.

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