Pyrite, sulfur concentrate, bauxite, refractory clay and gas recovered from coal mines;
2. Gold, silver and sulfuric acid recovered by non-ferrous metal smelting enterprises, sulfur concentrate, pyrite and iron concentrate recovered by mines;
3. Copper, cobalt, vanadium, titanium, niobium and rare earth recovered by ferrous metal smelting enterprises;
4. Gold and iodine recovered in the process of pyrite and phosphate mining.
Two, the use of industrial and mining enterprises mining waste rock, tailings, debris, powder, sludge and various waste residue to produce products.
1. Bricks, aerated concrete, large blocks, ceramsite, wallboard, cement and concrete additives, low-temperature sprayed cement, resin and rubber fillers produced from coal gangue, stone coal and fly ash;
Dry fly ash and bottom slag of coal-fired boilers, as well as floating beads, microbeads, iron powder and carbon powder extracted from fly ash and their products;
2. Metal, nonmetal, chemical and building materials products recovered from metallurgical furnaces and power slag (excluding blast furnace slag), and products produced by using iron-containing dust and mud;
3. Products produced by pyrite cinder, phosphogypsum, carbide cinder, phosphate cinder, soda cinder, salt mud, chromium cinder and total solvent residue, such as building materials, soda ash, caustic soda, bricks, fertilizers, feeds, etc. ;
4. Recover and extract light hydrocarbons, helium and sulfur from crude oil and natural gas, naphthenic acid and miscellaneous phenol from refinery waste residue, and light hydrocarbons from tail gas. And extracting rare metals by boiling salt with associated brine;
5. Products such as papermaking raw materials, bamboo boards, particle boards, alcohol, acetic acid, monosodium glutamate, yeast, concentrated feed, dry meal feed, bagasse, beet residue, wet filter mud, waste molasses, citric acid fermentation raw materials produced by wet waste silk, etc.
6. Products such as cement produced by red mud from alumina plant and liquid slag from power plant;
7. Oils, chromium, protein, reclaimed leather and other industrial raw materials produced by tannery waste residue, waste leather scraps, pig hair, wool and minced meat.
Three, the use of industrial and mining enterprises to discharge waste water, waste acid, waste oil and other waste liquid to produce products.
1. Zinc, fiber, alkali, lanolin, PVP for pulp, sodium sulfide, sodium sulfite and other chemical products. It is produced by chemical fiber wastewater, pulp white water, pulp black liquor, pulp waste liquor, wool washing wastewater, printing and dyeing wastewater and organic high-concentration waste liquor.
2. Chemical products produced by salt solution (brine), such as potassium chloride, industrial bromine, magnesium chloride, anhydrous nitrate, tetrabromoethane, etc.
Four, the use of industrial and mining enterprises processing flue gas, converter, ferroalloy furnace recovery of combustible gas, coke oven gas, blast furnace gas and other products.
1. Products produced by gas recovered from converter and ferroalloy furnace and combustible gas released from coke oven and blast furnace;
2. Sulfur, carbon dioxide gas, condensate (tar, alcohol), inert gas, sodium fluorosilicate, cryolite, hydrogen, oxygen, ammonium sulfate, ammonium sulfite, sodium nitrite, oxalic acid, etc. It is produced by gas, roasting kiln, air separation, metallurgical waste gas, fluorine-containing waste gas in phosphate fertilizer production, ammonia purge gas and tail gas in natural gas, sulfuric acid, nitric acid and yellow phosphorus production.
Five, the use of industrial and mining enterprises waste heat, residual pressure and low calorific value fuel (coal gangue, stone coal, etc.). ) to generate heat and electricity.
Six, the use of Yantian waters or power plant hot water to develop aquaculture products.
Seven, the use of forest harvesting, timber harvesting and processing residues to produce products.