UNIONSUMCherishing Limited Resources Pursuing Sustainable DevelopmentCherishing Limited Resources Pursuing Sustainable Development

History & Group Business

Technologies Strategy

History & Group

CRIMM can provide one-stop service integrating R&D, consultancy and engineering, as well as EPC contracting, with geological experimental and testing qualifications (Grade A) for geological survey (including rock and m

ineral identification, rock and mineral analysis, beneficiation-metallurgy testing), qualification certificate (Grade A) for metallu

rgical and mining engineering in metallurgical industry. 

Unionsum International Industrial Co., Ltd (Sustainable system solution provider for mining and metallurgy industry)

CINF is one of the first-rate and well-known comprehensive engineering design institutes in the nonferrous metal industry in China; mainly involved in consultancy, engineering design, EPC-

based project contracting, supervision, geotechnical investigation, construction, environmental impact assessment, research and

technical development, etc..

CRIMM CINF

Technologies

Talent Qualification R&D Project

Metal mineral resource exploitation and utilization( R&D, ED, EPC) Advanced material R&D and manufacturing 

4000 employees

2 academician of China Academy of engineering

7 foreign academicians

3 young expert with national state council outstanding

contributions

135experts receive national special allowance

9 National Industrial “Design Master”

8 doctoral tutor, 45 master's tutor, 332 senior engineer, 15

chief expert

Yu, Yongfu (Academician

in Mineral Processing）Liu, Baochen

(Academician in Mining)

Talent

Research qualification: Class A qualification of geological exploration and geological test

(rock-mineral determination and testing; mineral processing and metallurgy tests).

Design qualification: Class A of metallurgical industry metallurgical mine engineering design

and consultation qualification.

Geological prospecting ： Geological experimental test (rock ore appraisal and testing;

mineral smelting and) Class A.

Qualification Certificate of Environmental Impact Assessment on Construction Project (Class A)

Engineering consulting : Iron and steel, nonferrous metallurgy professional Class B, mechanical

engineering, ecological construction and environmental Class C.

Qualification

Quality& Environmental Management System Certification: ISO9001 ： 2008.

CNAS Labroatory accreditation: Analysis and testing center.

CMA ： National metallurgical industry brazing equipment quality supervision

and testing center.

Hunan province metrological certification ： Analysis and testing center.

Construction project quality detection ： Foundation foundation engineering testing.

Construction quality ： Mine engineering construction general contracting Class C.

Qualification

3 provincial scientific platform

3 national science and technology department Strategic Alliance of Industry Technology

Innovation

4 national science and technology platform

1(Only one in China)State Key Laboratory for Development and Utilization of Deep-sea Mineral

Resources

State Engineering Technology Research Center for Multipurpose Utilization of Metallic Mineral

Resources

National Supervision & Inspection Center for Drilling Tools in Metallurgy Industry

Mineral Processing Professional Committee of the Chinese Society for Metals

R&D

The Analysis & Testing Center has an building area of

1,000m2 and its equipments value more than ￥ 10,000,000.

The main equipments include (SEM), (EDS), (XRD), (ICP-

MS), (ICP), (XRF), (IC), (HPLC), (AAS), Laser particle

analyzer, Infrared carbon sulfur analyzer, Surface area

analyzer, Titrator, atomic fluorescence spectrometer, Atomic

emission spectrometer, Total organic carbon analyzer,

Spectrophotometer, Polarograph etc..

Instrumental Analysis

Laboratories and 4 pilot plants covering an area of 12500m2

Metallurgy pilot plantMineral processing pilot plant

Pipeline transportation pilot plant Battery materials laboratory

By the end of 2013 ， 983 scientific and technological achieve

ments, 504 prizes awarded by state and province (including 29 

State Scientific and Technological Progress Award and State Te

chnological Invention 

Award ) have been obtained, 242 patents (including 110 inventi

on patents) have been entitled.

Scientific and Technological Achievements

Drainage and curtain blocking in water abundant deposit with complex hydrogeological conditions;

Open-pit mining and reclamation of oversize lateritic bauxite mine;

Oversize deposits in super high and extremely cold region;

Over 1,000m deep shaft with complex geological conditions;

Underground bauxite mines with gentle-inclined thin orebody and very unstable hangwall;

All-tailings backfilling or paste filling technology;

Supporting technology for underground mine with high stress and weak surrounding rocks;

Mines under waters, buildings or railways;

Large scale blasting and gob disposal technology;

Solution mining;

Surface-underground combined mining in complex conditions;

Digital and intelligent mines design;

Mining

Copper poly-metallic ore beneficiation technology in high altitude and cold regions

World-leading Lead-zinc sulfide preferential flotation technology (high-alkali potential control)

Self-developed column flotation machine and flotation process for Mo, W, Pb-Zn, Bi and Au beneficiation

Cassiterite slime flotation

Iron recovery from alumina red mud

Extracting gold from refractory gold ore with consolidated arsenic and sulfur

Acid leaching and solvent extraction process to produce V2O5 from stone coal

Trommel screening and launder washing process to treat difficult-to-wash ores

Tungsten beneficiation

Iron red magnetic materials and coating materials production from pyrites cinders.

Separation technology of refractory platinum, palladium and gold ores.

Bio-oxidation extraction technology of low grade gold or copper oxide ores.

Processing chromite placer and tantalum-niobium placer through magnetic and gravity separation process.

Beneficiation

Pb Smelting

Kivcet direct lead smelting process;

Oxygen enriched side blown bath smelting (CSCC-Pb) process;

Oxygen enriched bottom blown oxidizing furnace followed by oxygen enriched

bottom blown reducing furnace process for Pb smelting;

Kaldo furnace Pb smelting process;

ISP process for refractory Zn blend ore;

Large size anode plate casting techniques;

Zn smeltingClean Zn pressure leaching process;

Hot acid reducing leaching--hematite process;

High-temp and high-acid zinc hydrometallurgy;

Large scale Zn concentrate fluidized bed roaster and calcines cooling techniques;

Large size electrode plate for electro-winning and automatic Zn stripping techniques;

Direct Zn pressure leaching and sulfur recovering process;

Cu smelting

Oxygen enriched side blown bath smelting （ CSC-Cu） ;

ISA or Ausmelt blister Cu smelting process;

Heap leaching - extraction- electrowinning solution for low grade copper oxide ore;

Off gas

Pb

Reduction furnace

Slag

Off gas

Pb

Oxidation furnace Slag

Ocean Mineral Resources Comprehensive Utilization

Key research point-Deep ocean mineral collection, transportation, process technology

Significant task-national 863, 973, ocean special projects

Mass scientific achievement –deep ocean resources development principle, key equipment, engineering technology and

automatic control system

In-situ test instruments carried in “flood dragon” Deep seafloor mineral resource collector

Rare earth materials and metals and hard alloys

Technologies of hard alloy engineering like high energy ball milling, spray drying, low pressure sintering and coating;

Rare metal ion exchange – extraction process

Powder metallurgy process of multi-tube reduction and automatic carbonization;

Iso-static pressing and jet molding technologies for new materials processing;

Other technologies

Oxygen enriched side blown bath smelting process (CSC) for Cu-Ni blend ore, laterite Ni ore, Pb-Sb ore and multi-

metallic scrap;

Cobalt salt (i.e. cobalt oxalate, cobalt carbonate) extraction process and metallic electrowinning process;

Direct reducing leaching process to produce EMM and EMD from low grade manganese oxides;

Solutions to produce high purity lithium salt products from salt lake brine or crude lithium carbonate;

Vanadium extraction technologies from stone coal;

Fuming furnace—WHB integrated technology

Two-stage conversion and two-stage absorption acid making technology to treat low concentration SO2.

Fankou Lead-zinc Mine (mining & ore dressing )

mine & concentrator capacity: 1,800 kt/a

lead-zinc annual production: 180kt/a

Asian largest lead-zinc mining & ore dressing production base;

process of sill pillar-free, retreating, and large-bore mining with water proof and control an

d intelligent remote control facility; ground pressure microseismic monitoring, waste water

comprehensive utilization up to world advanced level

Reputed as "world nonferrous metals museum";The new comprehensive processing technology applied here for W, Mo and Bi complex

ore is named as “Shizhuyuan process”, which fills a gap worldwide;

Shizhuyuan W-Mo Complex Mine (mining & ore dressing)

200kt/a Pb-Zn Combined Project of Jiangxi Copper Group

Designed annual electrolytic Zn capacity: 100 kt

Designed annual electrolytic Pb capacity: 100 kt

Conventional zinc hydrometallurgical process plus 110m2 fluidized bed roaster, large catho

de plate and automatic zinc-stripping technology are used for Zn smelting;

KIVCET direct lead-smeting process plus large anode plate vertical shuttering casting

technique are used for Pb Smelting.

It is a Pb and Zn combined production plant.

Zhuzhou Smelting Group Kivcet Direct Lead Smelting Project

Capacity: 120 ktpa

CINF firstly introduced the KIVCET direct lead smelting technology to treat Pb concentrate blended

with Zn leaching residue from Zn smelting system, to enhance smelting efficiency.

Danxia Smelter was commissioned in 2009 with designed Capacity of 100kt/a Zn, which is the 1st Zn plant in China

adopting pressure leaching process to directly treat Zn sulfide concentrate. And it also created many firsts in China: 1st to

produce elemental S product from Zn sulfide concentrate leaching residue; 1st to industrialize 3.2 m2 cathode plate in

electrowining; 1st to apply automatic Zn stripping line; and recover valuable metals like Ga, Ge and Im from the solution by

adopting goethite iron removal process; the overall technological level of the plant is internationally advanced.

Nonfemet Corp. Ltd Danxia Smelter

Capacity:

Zn ingot 100kt/a,

Pb bullion 120kt/a (on metal basis),

electrolytic Pb 100kt/a

It's the first time in China to import the pressure leaching process from

Canadian Sherritt to treat Zn concentrate.

Now, this plant is running in full capacity with excellent performance.

Yuguang 80kt/a Pb Bath Smelting Project

CINF firstly applies the direct reduction technology of liquid high- lead slag to industrial production, and

firstly applies the process of oxygen enriched bottom blown oxidizing furnace + oxygen enriched side

blown reducing furnace to large scale lead bullion production, which solves the problems of high energy c

onsumption and poor environmental protection happened in SKS blast furnace reduction process.

Business

Strategy

Cherishing Limited Resources Pursuing Sustainable DevelopmentCherishing Limited Resources Pursuing Sustainable Development

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