Catalytic depolymerization of calcium lignosulfonate by NiMgFeO<sub><i>x</i></sub> derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds

Hongjing Han; Jinxin Li; Haiying Wang; Feng Xue; Yanguang Chen; Yanan Zhang; Yizhen Wang; Mei Zhang

doi:10.1016/j.cjche.2019.01.024

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Catalytic depolymerization of calcium lignosulfonate by NiMgFeO_x derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds

Biotechnology and Bioengineering | Updated：2026-01-06

- Catalytic depolymerization of calcium lignosulfonate by NiMgFeO_x derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds
- Chinese Journal of Chemical Engineering Vol. 27, Issue 8, Pages: 1933-1938(2019)
- Affiliations：
  
  1. School of Chemistry & Chemical Engineering, Northeast Petroleum University,Daqing,China,163318
  2. Heilongjiang Provincial Key Laboratory of Oil & Gas Chemical Technology,Daqing,China,163318
  3. Shandong Sinocera Functional Material Co., Ltd,Dongying,China,257000
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.01.024
  CLC：
- Published：2019
- Accepted：
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derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds[J]. 中国化学工程学报, 2019, 27(8): 1933-1938.
DOI：

derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds[J]. 中国化学工程学报, 2019, 27(8): 1933-1938. DOI： 10.1016/j.cjche.2019.01.024.

摘要

Abstract

A new method for regulating the synthesis of NiMgFe hydrotalcites (NMF LDHs) with the addition of hydroxyl compounds was proposed. A series of NMF LDHs were prepared by the above method

and then were calcined to obtain the NiMgFeO

(NMFO

) samples. The NMFO

samples were characterized by XRD

SEM

TG-DTG

XPS and CO

-TPD

respectively. The catalytic performance of NMFO

for depolymerizing calcium lignosulfonate (CLS) was evaluated by hydrothermal reaction. The results showed that the addition of hydroxyl compounds favored reducing the particle sizes of NMF LDHs. For the depolymerization of CSL

the yield of liquid product increased from 45% to 75.8% with the addition of NMFO

-ethanol (NMFO

ET). The liquid products were mainly phenolics

aromatics

ketones and esters. The total selectivity of oxy-containing compounds was over 90.6%

among them

the phenolics were approximately 35.2%. The valence of Ni and Fe

crystalline phase and basicity almost remained unchanged. The NMFO

-ET sampl

es were recycled for the depolymerization of CLS

moreover

the NMFO

-ET samples had high activity and stability after 4 cycles.

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Catalytic depolymerization of calcium lignosulfonate by NiMgFeOx derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds

DOI：10.1016/j.cjche.2019.01.024

摘要

Abstract

关键词

Keywords

references

Catalytic depolymerization of calcium lignosulfonate by NiMgFeO_x derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds