腐植酸2023年第1期56研究论文硝酸活化煤基有机肥和褐煤对腐植酸、黄腐酸含量的影响郭力莉米帅帅韩凤女云塔娜闫明月黄鑫元泰丰(包头)生物科技有限公司包头014199摘要:以低质褐煤为主要原料生产煤基的有机肥,有机质含量高,且含有一定比例的腐植酸。为进一步提高肥料中腐植酸含量,本文用硝酸对煤基有机肥和陕西褐煤进行了活化。结果表明,40%硝酸溶液活化效果较好。煤基有机肥中腐植酸含量为6.6%,经活化后含量提高至31.4%。黄腐酸含量为0,经活化后含量提高至1.3%。褐煤中腐植酸含量为14.2%,经活化后含量提高至30.2%。黄腐酸含量为0,经活化后含量提高至1.0%。通过试验,此方法可提高煤基有机肥和褐煤中腐植酸和黄腐酸含量,经数据对比可知,煤基有机肥经活化后,腐植酸和黄腐酸含量增量均大于褐煤活化。关键词:腐植酸;黄腐酸;煤基有机肥;褐煤;硝酸中图分类号:TQ314.1文章编号:1671-9212(2023)01-0056-05文献标识码:ADOI:10.19451/j.cnki.issn1671-9212.2023.01.008EffectofNitricAcidActivatedCoalBasedOrganicFertilizerandLigniteonHumicAcidandFulvicAcidContentGuoLili,MiShuaishuai,HanFengnv,YunTana,YanMingyue,HuangXinApaxfon(Baotou)BiotechnologyCo.Ltd.,Baotou,014199Abstract:Inordertofurtherincreasethecontentofhumicacidinfertilizer,low-qualitylignitecontainedhighorganicmattercontentandacertainproportionofhumicacidwasusedasthemainmaterialtoproductedcoal-basedorganicfertilizerandShaanxilignitewereactivatedwithnitricacid.Theresultsshowthat40%nitricacidusingasthesolutioncouldinduceperfectactivationeffect.Afteractivation,themassfractionofhumicacidincoalbasedorganicfertilizerincreasedfrom6.6%to31.4%,themassfractionoffulvicacidincreasedfrom0to1.30%,themassfractionofhumicacidinligniteincreasedfrom14.2%to30.2%,andthemassfractionoffulvicacidincreasedfrom0to1.0%.Throughexperiments,thismethodcanincreasethecontentofhumicacidandfulvicacidincoal-basedorganicfertilizerandlignite.Inconclusion,afteractivationofcoal-basedorganicfertilizer,theincreaseofhumicacidandfulvicacidcontentishigherthanthoseinligniteactivation.Keywords:humicacid;fulvicacid;coalbasedorganicfertilizer;lignite;nitricacid2022-09-19郭力莉,女,1980年生,分析检测技师,主要从事...